99 files changed, 753 insertions, 79 deletions

diff --git a/README.md b/README.md
index c8b5b9f..d2e9c56 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ diskstats | Exposes disk I/O statistics from `/proc/diskstats`. | Linux
 entropy | Exposes available entropy. | Linux
 filefd | Exposes file descriptor statistics from `/proc/sys/fs/file-nr`. | Linux
 filesystem | Exposes filesystem statistics, such as disk space used. | FreeBSD, Dragonfly, Linux, OpenBSD
+hwmon | Expose hardware monitoring and sensor data from `/sys/class/hwmon/`. | Linux
 loadavg | Exposes load average. | Darwin, Dragonfly, FreeBSD, Linux, NetBSD, OpenBSD, Solaris
 mdadm | Exposes statistics about devices in `/proc/mdstat` (does nothing if no `/proc/mdstat` present). | Linux
 meminfo | Exposes memory statistics. | Dragonfly, FreeBSD, Linux
diff --git a/collector/fixtures/e2e-output.txt b/collector/fixtures/e2e-output.txt
index 9956940..54ff679 100644
--- a/collector/fixtures/e2e-output.txt
+++ b/collector/fixtures/e2e-output.txt
@@ -12,73 +12,73 @@ go_gc_duration_seconds_count 0
 go_goroutines 13
 # HELP go_memstats_alloc_bytes Number of bytes allocated and still in use.
 # TYPE go_memstats_alloc_bytes gauge
-go_memstats_alloc_bytes 1.077136e+06
+go_memstats_alloc_bytes 1.236968e+06
 # HELP go_memstats_alloc_bytes_total Total number of bytes allocated, even if freed.
 # TYPE go_memstats_alloc_bytes_total counter
-go_memstats_alloc_bytes_total 1.077136e+06
+go_memstats_alloc_bytes_total 1.236968e+06
 # HELP go_memstats_buck_hash_sys_bytes Number of bytes used by the profiling bucket hash table.
 # TYPE go_memstats_buck_hash_sys_bytes gauge
-go_memstats_buck_hash_sys_bytes 1.443406e+06
+go_memstats_buck_hash_sys_bytes 2717
 # HELP go_memstats_frees_total Total number of frees.
 # TYPE go_memstats_frees_total counter
-go_memstats_frees_total 0
+go_memstats_frees_total 265
 # HELP go_memstats_gc_sys_bytes Number of bytes used for garbage collection system metadata.
 # TYPE go_memstats_gc_sys_bytes gauge
-go_memstats_gc_sys_bytes 98304
+go_memstats_gc_sys_bytes 65536
 # HELP go_memstats_heap_alloc_bytes Number of heap bytes allocated and still in use.
 # TYPE go_memstats_heap_alloc_bytes gauge
-go_memstats_heap_alloc_bytes 1.077136e+06
+go_memstats_heap_alloc_bytes 1.236968e+06
 # HELP go_memstats_heap_idle_bytes Number of heap bytes waiting to be used.
 # TYPE go_memstats_heap_idle_bytes gauge
-go_memstats_heap_idle_bytes 737280
+go_memstats_heap_idle_bytes 139264
 # HELP go_memstats_heap_inuse_bytes Number of heap bytes that are in use.
 # TYPE go_memstats_heap_inuse_bytes gauge
-go_memstats_heap_inuse_bytes 1.916928e+06
+go_memstats_heap_inuse_bytes 1.630208e+06
 # HELP go_memstats_heap_objects Number of allocated objects.
 # TYPE go_memstats_heap_objects gauge
-go_memstats_heap_objects 4245
+go_memstats_heap_objects 8119
 # HELP go_memstats_heap_released_bytes_total Total number of heap bytes released to OS.
 # TYPE go_memstats_heap_released_bytes_total counter
 go_memstats_heap_released_bytes_total 0
 # HELP go_memstats_heap_sys_bytes Number of heap bytes obtained from system.
 # TYPE go_memstats_heap_sys_bytes gauge
-go_memstats_heap_sys_bytes 2.654208e+06
+go_memstats_heap_sys_bytes 1.769472e+06
 # HELP go_memstats_last_gc_time_seconds Number of seconds since 1970 of last garbage collection.
 # TYPE go_memstats_last_gc_time_seconds gauge
 go_memstats_last_gc_time_seconds 9
 # HELP go_memstats_lookups_total Total number of pointer lookups.
 # TYPE go_memstats_lookups_total counter
-go_memstats_lookups_total 16
+go_memstats_lookups_total 9
 # HELP go_memstats_mallocs_total Total number of mallocs.
 # TYPE go_memstats_mallocs_total counter
-go_memstats_mallocs_total 4245
+go_memstats_mallocs_total 8384
 # HELP go_memstats_mcache_inuse_bytes Number of bytes in use by mcache structures.
 # TYPE go_memstats_mcache_inuse_bytes gauge
-go_memstats_mcache_inuse_bytes 9664
+go_memstats_mcache_inuse_bytes 9600
 # HELP go_memstats_mcache_sys_bytes Number of bytes used for mcache structures obtained from system.
 # TYPE go_memstats_mcache_sys_bytes gauge
 go_memstats_mcache_sys_bytes 16384
 # HELP go_memstats_mspan_inuse_bytes Number of bytes in use by mspan structures.
 # TYPE go_memstats_mspan_inuse_bytes gauge
-go_memstats_mspan_inuse_bytes 18144
+go_memstats_mspan_inuse_bytes 16080
 # HELP go_memstats_mspan_sys_bytes Number of bytes used for mspan structures obtained from system.
 # TYPE go_memstats_mspan_sys_bytes gauge
-go_memstats_mspan_sys_bytes 32768
+go_memstats_mspan_sys_bytes 16384
 # HELP go_memstats_next_gc_bytes Number of heap bytes when next garbage collection will take place.
 # TYPE go_memstats_next_gc_bytes gauge
 go_memstats_next_gc_bytes 4.194304e+06
 # HELP go_memstats_other_sys_bytes Number of bytes used for other system allocations.
 # TYPE go_memstats_other_sys_bytes gauge
-go_memstats_other_sys_bytes 1.065642e+06
+go_memstats_other_sys_bytes 558435
 # HELP go_memstats_stack_inuse_bytes Number of bytes in use by the stack allocator.
 # TYPE go_memstats_stack_inuse_bytes gauge
-go_memstats_stack_inuse_bytes 491520
+go_memstats_stack_inuse_bytes 327680
 # HELP go_memstats_stack_sys_bytes Number of bytes obtained from system for stack allocator.
 # TYPE go_memstats_stack_sys_bytes gauge
-go_memstats_stack_sys_bytes 491520
+go_memstats_stack_sys_bytes 327680
 # HELP go_memstats_sys_bytes Number of bytes obtained by system. Sum of all system allocations.
 # TYPE go_memstats_sys_bytes gauge
-go_memstats_sys_bytes 5.802232e+06
+go_memstats_sys_bytes 2.756608e+06
 # HELP http_request_duration_microseconds The HTTP request latencies in microseconds.
 # TYPE http_request_duration_microseconds summary
 http_request_duration_microseconds{handler="prometheus",quantile="0.5"} NaN
@@ -380,73 +380,93 @@ node_disk_writes_merged{device="vda"} 2.0711856e+07
 node_entropy_available_bits 1337
 # HELP node_exporter_build_info A metric with a constant '1' value labeled by version, revision, branch, and goversion from which node_exporter was built.
 # TYPE node_exporter_build_info gauge
-node_exporter_build_info{branch="master",goversion="go1.5.4",revision="252feb6",version="0.12.0rc3"} 1
+node_exporter_build_info{branch="",goversion="go1.6.2",revision="",version=""} 1
 # HELP node_exporter_scrape_duration_seconds node_exporter: Duration of a scrape job.
 # TYPE node_exporter_scrape_duration_seconds summary
-node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.5"} 7.481600000000001e-05
-node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.9"} 7.481600000000001e-05
-node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.99"} 7.481600000000001e-05
-node_exporter_scrape_duration_seconds_sum{collector="bonding",result="success"} 7.481600000000001e-05
+node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.5"} 0.00019123300000000002
+node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.9"} 0.00019123300000000002
+node_exporter_scrape_duration_seconds{collector="bonding",result="success",quantile="0.99"} 0.00019123300000000002
+node_exporter_scrape_duration_seconds_sum{collector="bonding",result="success"} 0.00019123300000000002
 node_exporter_scrape_duration_seconds_count{collector="bonding",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.5"} 0.00027974200000000003
-node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.9"} 0.00027974200000000003
-node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.99"} 0.00027974200000000003
-node_exporter_scrape_duration_seconds_sum{collector="conntrack",result="success"} 0.00027974200000000003
+node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.5"} 3.1222e-05
+node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.9"} 3.1222e-05
+node_exporter_scrape_duration_seconds{collector="conntrack",result="success",quantile="0.99"} 3.1222e-05
+node_exporter_scrape_duration_seconds_sum{collector="conntrack",result="success"} 3.1222e-05
 node_exporter_scrape_duration_seconds_count{collector="conntrack",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.5"} 0.001661895
-node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.9"} 0.001661895
-node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.99"} 0.001661895
-node_exporter_scrape_duration_seconds_sum{collector="diskstats",result="success"} 0.001661895
+node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.5"} 0.001207839
+node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.9"} 0.001207839
+node_exporter_scrape_duration_seconds{collector="diskstats",result="success",quantile="0.99"} 0.001207839
+node_exporter_scrape_duration_seconds_sum{collector="diskstats",result="success"} 0.001207839
 node_exporter_scrape_duration_seconds_count{collector="diskstats",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.5"} 0.000146396
-node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.9"} 0.000146396
-node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.99"} 0.000146396
-node_exporter_scrape_duration_seconds_sum{collector="filefd",result="success"} 0.000146396
+node_exporter_scrape_duration_seconds{collector="entropy",result="success",quantile="0.5"} 2.1329000000000002e-05
+node_exporter_scrape_duration_seconds{collector="entropy",result="success",quantile="0.9"} 2.1329000000000002e-05
+node_exporter_scrape_duration_seconds{collector="entropy",result="success",quantile="0.99"} 2.1329000000000002e-05
+node_exporter_scrape_duration_seconds_sum{collector="entropy",result="success"} 2.1329000000000002e-05
+node_exporter_scrape_duration_seconds_count{collector="entropy",result="success"} 1
+node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.5"} 3.7313e-05
+node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.9"} 3.7313e-05
+node_exporter_scrape_duration_seconds{collector="filefd",result="success",quantile="0.99"} 3.7313e-05
+node_exporter_scrape_duration_seconds_sum{collector="filefd",result="success"} 3.7313e-05
 node_exporter_scrape_duration_seconds_count{collector="filefd",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.5"} 6.1362e-05
-node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.9"} 6.1362e-05
-node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.99"} 6.1362e-05
-node_exporter_scrape_duration_seconds_sum{collector="loadavg",result="success"} 6.1362e-05
+node_exporter_scrape_duration_seconds{collector="hwmon",result="success",quantile="0.5"} 0.002039698
+node_exporter_scrape_duration_seconds{collector="hwmon",result="success",quantile="0.9"} 0.002039698
+node_exporter_scrape_duration_seconds{collector="hwmon",result="success",quantile="0.99"} 0.002039698
+node_exporter_scrape_duration_seconds_sum{collector="hwmon",result="success"} 0.002039698
+node_exporter_scrape_duration_seconds_count{collector="hwmon",result="success"} 1
+node_exporter_scrape_duration_seconds{collector="ksmd",result="success",quantile="0.5"} 9.497000000000001e-05
+node_exporter_scrape_duration_seconds{collector="ksmd",result="success",quantile="0.9"} 9.497000000000001e-05
+node_exporter_scrape_duration_seconds{collector="ksmd",result="success",quantile="0.99"} 9.497000000000001e-05
+node_exporter_scrape_duration_seconds_sum{collector="ksmd",result="success"} 9.497000000000001e-05
+node_exporter_scrape_duration_seconds_count{collector="ksmd",result="success"} 1
+node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.5"} 0.00030610500000000004
+node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.9"} 0.00030610500000000004
+node_exporter_scrape_duration_seconds{collector="loadavg",result="success",quantile="0.99"} 0.00030610500000000004
+node_exporter_scrape_duration_seconds_sum{collector="loadavg",result="success"} 0.00030610500000000004
 node_exporter_scrape_duration_seconds_count{collector="loadavg",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.5"} 0.000199423
-node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.9"} 0.000199423
-node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.99"} 0.000199423
-node_exporter_scrape_duration_seconds_sum{collector="mdadm",result="success"} 0.000199423
+node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.5"} 0.001285081
+node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.9"} 0.001285081
+node_exporter_scrape_duration_seconds{collector="mdadm",result="success",quantile="0.99"} 0.001285081
+node_exporter_scrape_duration_seconds_sum{collector="mdadm",result="success"} 0.001285081
 node_exporter_scrape_duration_seconds_count{collector="mdadm",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.5"} 0.005821468000000001
-node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.9"} 0.005821468000000001
-node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.99"} 0.005821468000000001
-node_exporter_scrape_duration_seconds_sum{collector="megacli",result="success"} 0.005821468000000001
+node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.5"} 0.006589346
+node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.9"} 0.006589346
+node_exporter_scrape_duration_seconds{collector="megacli",result="success",quantile="0.99"} 0.006589346
+node_exporter_scrape_duration_seconds_sum{collector="megacli",result="success"} 0.006589346
 node_exporter_scrape_duration_seconds_count{collector="megacli",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.5"} 0.001771465
-node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.9"} 0.001771465
-node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.99"} 0.001771465
-node_exporter_scrape_duration_seconds_sum{collector="meminfo",result="success"} 0.001771465
+node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.5"} 0.0025752360000000003
+node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.9"} 0.0025752360000000003
+node_exporter_scrape_duration_seconds{collector="meminfo",result="success",quantile="0.99"} 0.0025752360000000003
+node_exporter_scrape_duration_seconds_sum{collector="meminfo",result="success"} 0.0025752360000000003
 node_exporter_scrape_duration_seconds_count{collector="meminfo",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.5"} 0.000959257
-node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.9"} 0.000959257
-node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.99"} 0.000959257
-node_exporter_scrape_duration_seconds_sum{collector="netdev",result="success"} 0.000959257
+node_exporter_scrape_duration_seconds{collector="meminfo_numa",result="success",quantile="0.5"} 0.000494111
+node_exporter_scrape_duration_seconds{collector="meminfo_numa",result="success",quantile="0.9"} 0.000494111
+node_exporter_scrape_duration_seconds{collector="meminfo_numa",result="success",quantile="0.99"} 0.000494111
+node_exporter_scrape_duration_seconds_sum{collector="meminfo_numa",result="success"} 0.000494111
+node_exporter_scrape_duration_seconds_count{collector="meminfo_numa",result="success"} 1
+node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.5"} 0.00038711700000000003
+node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.9"} 0.00038711700000000003
+node_exporter_scrape_duration_seconds{collector="netdev",result="success",quantile="0.99"} 0.00038711700000000003
+node_exporter_scrape_duration_seconds_sum{collector="netdev",result="success"} 0.00038711700000000003
 node_exporter_scrape_duration_seconds_count{collector="netdev",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.5"} 0.0017044130000000001
-node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.9"} 0.0017044130000000001
-node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.99"} 0.0017044130000000001
-node_exporter_scrape_duration_seconds_sum{collector="netstat",result="success"} 0.0017044130000000001
+node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.5"} 0.0009007370000000001
+node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.9"} 0.0009007370000000001
+node_exporter_scrape_duration_seconds{collector="netstat",result="success",quantile="0.99"} 0.0009007370000000001
+node_exporter_scrape_duration_seconds_sum{collector="netstat",result="success"} 0.0009007370000000001
 node_exporter_scrape_duration_seconds_count{collector="netstat",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.5"} 0.000153337
-node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.9"} 0.000153337
-node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.99"} 0.000153337
-node_exporter_scrape_duration_seconds_sum{collector="sockstat",result="success"} 0.000153337
+node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.5"} 0.000119957
+node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.9"} 0.000119957
+node_exporter_scrape_duration_seconds{collector="sockstat",result="success",quantile="0.99"} 0.000119957
+node_exporter_scrape_duration_seconds_sum{collector="sockstat",result="success"} 0.000119957
 node_exporter_scrape_duration_seconds_count{collector="sockstat",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.5"} 0.00011309800000000001
-node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.9"} 0.00011309800000000001
-node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.99"} 0.00011309800000000001
-node_exporter_scrape_duration_seconds_sum{collector="stat",result="success"} 0.00011309800000000001
+node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.5"} 0.00014981800000000002
+node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.9"} 0.00014981800000000002
+node_exporter_scrape_duration_seconds{collector="stat",result="success",quantile="0.99"} 0.00014981800000000002
+node_exporter_scrape_duration_seconds_sum{collector="stat",result="success"} 0.00014981800000000002
 node_exporter_scrape_duration_seconds_count{collector="stat",result="success"} 1
-node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.5"} 3.29e-07
-node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.9"} 3.29e-07
-node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.99"} 3.29e-07
-node_exporter_scrape_duration_seconds_sum{collector="textfile",result="success"} 3.29e-07
+node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.5"} 3.0500000000000004e-07
+node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.9"} 3.0500000000000004e-07
+node_exporter_scrape_duration_seconds{collector="textfile",result="success",quantile="0.99"} 3.0500000000000004e-07
+node_exporter_scrape_duration_seconds_sum{collector="textfile",result="success"} 3.0500000000000004e-07
 node_exporter_scrape_duration_seconds_count{collector="textfile",result="success"} 1
 # HELP node_filefd_allocated File descriptor statistics: allocated.
 # TYPE node_filefd_allocated gauge
@@ -457,6 +477,180 @@ node_filefd_maximum 1.631329e+06
 # HELP node_forks Total number of forks.
 # TYPE node_forks counter
 node_forks 26442
+# HELP node_hwmon_fan_alarm Hardware sensor alarm status (fan)
+# TYPE node_hwmon_fan_alarm gauge
+node_hwmon_fan_alarm{chip="nct6779",sensor="fan2"} 0
+# HELP node_hwmon_fan_beep_enabled Hardware monitor sensor has beeping enabled
+# TYPE node_hwmon_fan_beep_enabled gauge
+node_hwmon_fan_beep_enabled{chip="nct6779",sensor="fan2"} 0
+# HELP node_hwmon_fan_manual Hardware monitor fan element manual
+# TYPE node_hwmon_fan_manual gauge
+node_hwmon_fan_manual{chip="applesmc_768",sensor="left_side"} 0
+node_hwmon_fan_manual{chip="applesmc_768",sensor="right_side"} 0
+# HELP node_hwmon_fan_max_rpm Hardware monitor for fan revolutions per minute (max)
+# TYPE node_hwmon_fan_max_rpm gauge
+node_hwmon_fan_max_rpm{chip="applesmc_768",sensor="left_side"} 6156
+node_hwmon_fan_max_rpm{chip="applesmc_768",sensor="right_side"} 5700
+# HELP node_hwmon_fan_min_rpm Hardware monitor for fan revolutions per minute (min)
+# TYPE node_hwmon_fan_min_rpm gauge
+node_hwmon_fan_min_rpm{chip="applesmc_768",sensor="left_side"} 2160
+node_hwmon_fan_min_rpm{chip="applesmc_768",sensor="right_side"} 2000
+node_hwmon_fan_min_rpm{chip="nct6779",sensor="fan2"} 0
+# HELP node_hwmon_fan_output Hardware monitor fan element output
+# TYPE node_hwmon_fan_output gauge
+node_hwmon_fan_output{chip="applesmc_768",sensor="left_side"} 2160
+node_hwmon_fan_output{chip="applesmc_768",sensor="right_side"} 2000
+# HELP node_hwmon_fan_pulses Hardware monitor fan element pulses
+# TYPE node_hwmon_fan_pulses gauge
+node_hwmon_fan_pulses{chip="nct6779",sensor="fan2"} 2
+# HELP node_hwmon_fan_rpm Hardware monitor for fan revolutions per minute (input)
+# TYPE node_hwmon_fan_rpm gauge
+node_hwmon_fan_rpm{chip="applesmc_768",sensor="left_side"} 0
+node_hwmon_fan_rpm{chip="applesmc_768",sensor="right_side"} 1998
+node_hwmon_fan_rpm{chip="nct6779",sensor="fan2"} 1098
+# HELP node_hwmon_fan_target_rpm Hardware monitor for fan revolutions per minute (target)
+# TYPE node_hwmon_fan_target_rpm gauge
+node_hwmon_fan_target_rpm{chip="nct6779",sensor="fan2"} 27000
+# HELP node_hwmon_fan_tolerance Hardware monitor fan element tolerance
+# TYPE node_hwmon_fan_tolerance gauge
+node_hwmon_fan_tolerance{chip="nct6779",sensor="fan2"} 0
+# HELP node_hwmon_in_alarm Hardware sensor alarm status (in)
+# TYPE node_hwmon_in_alarm gauge
+node_hwmon_in_alarm{chip="nct6779",sensor="in0"} 0
+node_hwmon_in_alarm{chip="nct6779",sensor="in1"} 1
+# HELP node_hwmon_in_beep_enabled Hardware monitor sensor has beeping enabled
+# TYPE node_hwmon_in_beep_enabled gauge
+node_hwmon_in_beep_enabled{chip="nct6779",sensor="in0"} 0
+node_hwmon_in_beep_enabled{chip="nct6779",sensor="in1"} 0
+# HELP node_hwmon_in_max_volts Hardware monitor for voltage (max)
+# TYPE node_hwmon_in_max_volts gauge
+node_hwmon_in_max_volts{chip="nct6779",sensor="in0"} 1.744
+node_hwmon_in_max_volts{chip="nct6779",sensor="in1"} 0
+# HELP node_hwmon_in_min_volts Hardware monitor for voltage (min)
+# TYPE node_hwmon_in_min_volts gauge
+node_hwmon_in_min_volts{chip="nct6779",sensor="in0"} 0
+node_hwmon_in_min_volts{chip="nct6779",sensor="in1"} 0
+# HELP node_hwmon_in_volts Hardware monitor for voltage (input)
+# TYPE node_hwmon_in_volts gauge
+node_hwmon_in_volts{chip="nct6779",sensor="in0"} 0.792
+node_hwmon_in_volts{chip="nct6779",sensor="in1"} 1.024
+# HELP node_hwmon_intrusion_alarm Hardware sensor alarm status (intrusion)
+# TYPE node_hwmon_intrusion_alarm gauge
+node_hwmon_intrusion_alarm{chip="nct6779",sensor="intrusion0"} 1
+node_hwmon_intrusion_alarm{chip="nct6779",sensor="intrusion1"} 1
+# HELP node_hwmon_intrusion_beep_enabled Hardware monitor sensor has beeping enabled
+# TYPE node_hwmon_intrusion_beep_enabled gauge
+node_hwmon_intrusion_beep_enabled{chip="nct6779",sensor="intrusion0"} 0
+node_hwmon_intrusion_beep_enabled{chip="nct6779",sensor="intrusion1"} 0
+# HELP node_hwmon_pwm_auto_point1_pwm Hardware monitor pwm element auto_point1_pwm
+# TYPE node_hwmon_pwm_auto_point1_pwm gauge
+node_hwmon_pwm_auto_point1_pwm{chip="nct6779",sensor="pwm1"} 153
+# HELP node_hwmon_pwm_auto_point1_temp Hardware monitor pwm element auto_point1_temp
+# TYPE node_hwmon_pwm_auto_point1_temp gauge
+node_hwmon_pwm_auto_point1_temp{chip="nct6779",sensor="pwm1"} 30000
+# HELP node_hwmon_pwm_auto_point2_pwm Hardware monitor pwm element auto_point2_pwm
+# TYPE node_hwmon_pwm_auto_point2_pwm gauge
+node_hwmon_pwm_auto_point2_pwm{chip="nct6779",sensor="pwm1"} 255
+# HELP node_hwmon_pwm_auto_point2_temp Hardware monitor pwm element auto_point2_temp
+# TYPE node_hwmon_pwm_auto_point2_temp gauge
+node_hwmon_pwm_auto_point2_temp{chip="nct6779",sensor="pwm1"} 70000
+# HELP node_hwmon_pwm_auto_point3_pwm Hardware monitor pwm element auto_point3_pwm
+# TYPE node_hwmon_pwm_auto_point3_pwm gauge
+node_hwmon_pwm_auto_point3_pwm{chip="nct6779",sensor="pwm1"} 255
+# HELP node_hwmon_pwm_auto_point3_temp Hardware monitor pwm element auto_point3_temp
+# TYPE node_hwmon_pwm_auto_point3_temp gauge
+node_hwmon_pwm_auto_point3_temp{chip="nct6779",sensor="pwm1"} 70000
+# HELP node_hwmon_pwm_auto_point4_pwm Hardware monitor pwm element auto_point4_pwm
+# TYPE node_hwmon_pwm_auto_point4_pwm gauge
+node_hwmon_pwm_auto_point4_pwm{chip="nct6779",sensor="pwm1"} 255
+# HELP node_hwmon_pwm_auto_point4_temp Hardware monitor pwm element auto_point4_temp
+# TYPE node_hwmon_pwm_auto_point4_temp gauge
+node_hwmon_pwm_auto_point4_temp{chip="nct6779",sensor="pwm1"} 70000
+# HELP node_hwmon_pwm_auto_point5_pwm Hardware monitor pwm element auto_point5_pwm
+# TYPE node_hwmon_pwm_auto_point5_pwm gauge
+node_hwmon_pwm_auto_point5_pwm{chip="nct6779",sensor="pwm1"} 255
+# HELP node_hwmon_pwm_auto_point5_temp Hardware monitor pwm element auto_point5_temp
+# TYPE node_hwmon_pwm_auto_point5_temp gauge
+node_hwmon_pwm_auto_point5_temp{chip="nct6779",sensor="pwm1"} 75000
+# HELP node_hwmon_pwm_crit_temp_tolerance Hardware monitor pwm element crit_temp_tolerance
+# TYPE node_hwmon_pwm_crit_temp_tolerance gauge
+node_hwmon_pwm_crit_temp_tolerance{chip="nct6779",sensor="pwm1"} 2000
+# HELP node_hwmon_pwm_enable Hardware monitor pwm element enable
+# TYPE node_hwmon_pwm_enable gauge
+node_hwmon_pwm_enable{chip="nct6779",sensor="pwm1"} 5
+# HELP node_hwmon_pwm_floor Hardware monitor pwm element floor
+# TYPE node_hwmon_pwm_floor gauge
+node_hwmon_pwm_floor{chip="nct6779",sensor="pwm1"} 1
+# HELP node_hwmon_pwm_mode Hardware monitor pwm element mode
+# TYPE node_hwmon_pwm_mode gauge
+node_hwmon_pwm_mode{chip="nct6779",sensor="pwm1"} 1
+# HELP node_hwmon_pwm_start Hardware monitor pwm element start
+# TYPE node_hwmon_pwm_start gauge
+node_hwmon_pwm_start{chip="nct6779",sensor="pwm1"} 1
+# HELP node_hwmon_pwm_step_down_time Hardware monitor pwm element step_down_time
+# TYPE node_hwmon_pwm_step_down_time gauge
+node_hwmon_pwm_step_down_time{chip="nct6779",sensor="pwm1"} 100
+# HELP node_hwmon_pwm_step_up_time Hardware monitor pwm element step_up_time
+# TYPE node_hwmon_pwm_step_up_time gauge
+node_hwmon_pwm_step_up_time{chip="nct6779",sensor="pwm1"} 100
+# HELP node_hwmon_pwm_stop_time Hardware monitor pwm element stop_time
+# TYPE node_hwmon_pwm_stop_time gauge
+node_hwmon_pwm_stop_time{chip="nct6779",sensor="pwm1"} 6000
+# HELP node_hwmon_pwm_target_temp Hardware monitor pwm element target_temp
+# TYPE node_hwmon_pwm_target_temp gauge
+node_hwmon_pwm_target_temp{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_temp_sel Hardware monitor pwm element temp_sel
+# TYPE node_hwmon_pwm_temp_sel gauge
+node_hwmon_pwm_temp_sel{chip="nct6779",sensor="pwm1"} 7
+# HELP node_hwmon_pwm_temp_tolerance Hardware monitor pwm element temp_tolerance
+# TYPE node_hwmon_pwm_temp_tolerance gauge
+node_hwmon_pwm_temp_tolerance{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_weight_duty_base Hardware monitor pwm element weight_duty_base
+# TYPE node_hwmon_pwm_weight_duty_base gauge
+node_hwmon_pwm_weight_duty_base{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_weight_duty_step Hardware monitor pwm element weight_duty_step
+# TYPE node_hwmon_pwm_weight_duty_step gauge
+node_hwmon_pwm_weight_duty_step{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_weight_temp_sel Hardware monitor pwm element weight_temp_sel
+# TYPE node_hwmon_pwm_weight_temp_sel gauge
+node_hwmon_pwm_weight_temp_sel{chip="nct6779",sensor="pwm1"} 1
+# HELP node_hwmon_pwm_weight_temp_step Hardware monitor pwm element weight_temp_step
+# TYPE node_hwmon_pwm_weight_temp_step gauge
+node_hwmon_pwm_weight_temp_step{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_weight_temp_step_base Hardware monitor pwm element weight_temp_step_base
+# TYPE node_hwmon_pwm_weight_temp_step_base gauge
+node_hwmon_pwm_weight_temp_step_base{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_pwm_weight_temp_step_tol Hardware monitor pwm element weight_temp_step_tol
+# TYPE node_hwmon_pwm_weight_temp_step_tol gauge
+node_hwmon_pwm_weight_temp_step_tol{chip="nct6779",sensor="pwm1"} 0
+# HELP node_hwmon_temp_celsius Hardware monitor for temperature (input)
+# TYPE node_hwmon_temp_celsius gauge
+node_hwmon_temp_celsius{chip="coretemp",sensor="core_0"} 54
+node_hwmon_temp_celsius{chip="coretemp",sensor="core_1"} 52
+node_hwmon_temp_celsius{chip="coretemp",sensor="core_2"} 53
+node_hwmon_temp_celsius{chip="coretemp",sensor="core_3"} 50
+node_hwmon_temp_celsius{chip="coretemp",sensor="physical_id_0"} 55
+# HELP node_hwmon_temp_crit_alarm_celsius Hardware monitor for temperature (crit_alarm)
+# TYPE node_hwmon_temp_crit_alarm_celsius gauge
+node_hwmon_temp_crit_alarm_celsius{chip="coretemp",sensor="core_0"} 0
+node_hwmon_temp_crit_alarm_celsius{chip="coretemp",sensor="core_1"} 0
+node_hwmon_temp_crit_alarm_celsius{chip="coretemp",sensor="core_2"} 0
+node_hwmon_temp_crit_alarm_celsius{chip="coretemp",sensor="core_3"} 0
+node_hwmon_temp_crit_alarm_celsius{chip="coretemp",sensor="physical_id_0"} 0
+# HELP node_hwmon_temp_crit_celsius Hardware monitor for temperature (crit)
+# TYPE node_hwmon_temp_crit_celsius gauge
+node_hwmon_temp_crit_celsius{chip="coretemp",sensor="core_0"} 100
+node_hwmon_temp_crit_celsius{chip="coretemp",sensor="core_1"} 100
+node_hwmon_temp_crit_celsius{chip="coretemp",sensor="core_2"} 100
+node_hwmon_temp_crit_celsius{chip="coretemp",sensor="core_3"} 100
+node_hwmon_temp_crit_celsius{chip="coretemp",sensor="physical_id_0"} 100
+# HELP node_hwmon_temp_max_celsius Hardware monitor for temperature (max)
+# TYPE node_hwmon_temp_max_celsius gauge
+node_hwmon_temp_max_celsius{chip="coretemp",sensor="core_0"} 84
+node_hwmon_temp_max_celsius{chip="coretemp",sensor="core_1"} 84
+node_hwmon_temp_max_celsius{chip="coretemp",sensor="core_2"} 84
+node_hwmon_temp_max_celsius{chip="coretemp",sensor="core_3"} 84
+node_hwmon_temp_max_celsius{chip="coretemp",sensor="physical_id_0"} 84
 # HELP node_intr Total number of interrupts serviced.
 # TYPE node_intr counter
 node_intr 8.885917e+06
@@ -1540,8 +1734,8 @@ node_sockstat_UDP_mem_bytes 0
 node_sockstat_sockets_used 229
 # HELP node_textfile_mtime Unixtime mtime of textfiles successfully read.
 # TYPE node_textfile_mtime gauge
-node_textfile_mtime{file="metrics1.prom"} 1.451167666820433e+09
-node_textfile_mtime{file="metrics2.prom"} 1.451167666820433e+09
+node_textfile_mtime{file="metrics1.prom"} 1.463773694e+09
+node_textfile_mtime{file="metrics2.prom"} 1.463773694e+09
 # HELP node_textfile_scrape_error 1 if there was an error opening or reading a file, 0 otherwise
 # TYPE node_textfile_scrape_error gauge
 node_textfile_scrape_error 0
@@ -1553,16 +1747,16 @@ process_cpu_seconds_total 0
 process_max_fds 1024
 # HELP process_open_fds Number of open file descriptors.
 # TYPE process_open_fds gauge
-process_open_fds 7
+process_open_fds 8
 # HELP process_resident_memory_bytes Resident memory size in bytes.
 # TYPE process_resident_memory_bytes gauge
-process_resident_memory_bytes 1.23904e+07
+process_resident_memory_bytes 1.1108352e+07
 # HELP process_start_time_seconds Start time of the process since unix epoch in seconds.
 # TYPE process_start_time_seconds gauge
-process_start_time_seconds 1.45121398864e+09
+process_start_time_seconds 1.47509459587e+09
 # HELP process_virtual_memory_bytes Virtual memory size in bytes.
 # TYPE process_virtual_memory_bytes gauge
-process_virtual_memory_bytes 1.30809856e+08
+process_virtual_memory_bytes 2.0549632e+08
 # HELP testmetric1_1 Metric read from collector/fixtures/textfile/two_metric_files/metrics1.prom
 # TYPE testmetric1_1 untyped
 testmetric1_1{foo="bar"} 10
diff --git a/collector/fixtures/sys/class/hwmon/hwmon0 b/collector/fixtures/sys/class/hwmon/hwmon0
new file mode 120000
index 0000000..0d95805
--- /dev/null
+++ b/collector/fixtures/sys/class/hwmon/hwmon0
@@ -0,0 +1 @@
+../../devices/platform/coretemp.0/hwmon/hwmon0
\ No newline at end of file
diff --git a/collector/fixtures/sys/class/hwmon/hwmon1 b/collector/fixtures/sys/class/hwmon/hwmon1
new file mode 120000
index 0000000..bfb5f22
--- /dev/null
+++ b/collector/fixtures/sys/class/hwmon/hwmon1
@@ -0,0 +1 @@
+../../devices/platform/nct6775.656/hwmon/hwmon1
\ No newline at end of file
diff --git a/collector/fixtures/sys/class/hwmon/hwmon2 b/collector/fixtures/sys/class/hwmon/hwmon2
new file mode 120000
index 0000000..3a98f61
--- /dev/null
+++ b/collector/fixtures/sys/class/hwmon/hwmon2
@@ -0,0 +1 @@
+../../devices/platform/applesmc.768/hwmon/hwmon2
\ No newline at end of file
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_input b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_input
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_input
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_label b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_label
new file mode 100644
index 0000000..ac8988c
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_label
@@ -0,0 +1 @@
+Left side  
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_manual b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_manual
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_manual
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_max b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_max
new file mode 100644
index 0000000..8abbad5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_max
@@ -0,0 +1 @@
+6156
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_min b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_min
new file mode 100644
index 0000000..317509b
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_min
@@ -0,0 +1 @@
+2160
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_output b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_output
new file mode 100644
index 0000000..317509b
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_output
@@ -0,0 +1 @@
+2160
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan1_safe b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_safe
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan1_safe
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_input b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_input
new file mode 100644
index 0000000..1ff838f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_input
@@ -0,0 +1 @@
+1998
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_label b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_label
new file mode 100644
index 0000000..b5b1ea6
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_label
@@ -0,0 +1 @@
+Right side 
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_manual b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_manual
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_manual
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_max b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_max
new file mode 100644
index 0000000..7a1f00d
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_max
@@ -0,0 +1 @@
+5700
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_min b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_min
new file mode 100644
index 0000000..8bd1af1
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_min
@@ -0,0 +1 @@
+2000
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_output b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_output
new file mode 100644
index 0000000..8bd1af1
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_output
@@ -0,0 +1 @@
+2000
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/fan2_safe b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_safe
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/fan2_safe
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/hwmon/hwmon2/device b/collector/fixtures/sys/devices/platform/applesmc.768/hwmon/hwmon2/device
new file mode 120000
index 0000000..6d0a2fe
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/hwmon/hwmon2/device
@@ -0,0 +1 @@
+../../../applesmc.768
\ No newline at end of file
diff --git a/collector/fixtures/sys/devices/platform/applesmc.768/name b/collector/fixtures/sys/devices/platform/applesmc.768/name
new file mode 100644
index 0000000..b47d174
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/applesmc.768/name
@@ -0,0 +1 @@
+applesmc
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/name b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/name
new file mode 100644
index 0000000..77ce462
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/name
@@ -0,0 +1 @@
+coretemp
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit
new file mode 100644
index 0000000..f7393e8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit
@@ -0,0 +1 @@
+100000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit_alarm b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_crit_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input
new file mode 100644
index 0000000..2ef4768
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input
@@ -0,0 +1 @@
+55000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_label b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_label
new file mode 100644
index 0000000..f93d047
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_label
@@ -0,0 +1 @@
+Physical id 0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_max b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_max
new file mode 100644
index 0000000..9c2ebf5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_max
@@ -0,0 +1 @@
+84000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit
new file mode 100644
index 0000000..f7393e8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit
@@ -0,0 +1 @@
+100000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit_alarm b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_crit_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input
new file mode 100644
index 0000000..627c5c7
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input
@@ -0,0 +1 @@
+54000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_label b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_label
new file mode 100644
index 0000000..09f8cbd
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_label
@@ -0,0 +1 @@
+Core 0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_max b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_max
new file mode 100644
index 0000000..9c2ebf5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_max
@@ -0,0 +1 @@
+84000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit
new file mode 100644
index 0000000..f7393e8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit
@@ -0,0 +1 @@
+100000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit_alarm b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_crit_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input
new file mode 100644
index 0000000..44a1fc2
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input
@@ -0,0 +1 @@
+52000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_label b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_label
new file mode 100644
index 0000000..e98a1da
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_label
@@ -0,0 +1 @@
+Core 1
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_max b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_max
new file mode 100644
index 0000000..9c2ebf5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_max
@@ -0,0 +1 @@
+84000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit
new file mode 100644
index 0000000..f7393e8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit
@@ -0,0 +1 @@
+100000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit_alarm b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_crit_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_input b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_input
new file mode 100644
index 0000000..7f13265
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_input
@@ -0,0 +1 @@
+53000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_label b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_label
new file mode 100644
index 0000000..18c8a0b
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_label
@@ -0,0 +1 @@
+Core 2
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_max b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_max
new file mode 100644
index 0000000..9c2ebf5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp4_max
@@ -0,0 +1 @@
+84000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit
new file mode 100644
index 0000000..f7393e8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit
@@ -0,0 +1 @@
+100000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit_alarm b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_crit_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_input b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_input
new file mode 100644
index 0000000..ccfc37a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_input
@@ -0,0 +1 @@
+50000
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_label b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_label
new file mode 100644
index 0000000..5ec08ee
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_label
@@ -0,0 +1 @@
+Core 3
diff --git a/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_max b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_max
new file mode 100644
index 0000000..9c2ebf5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/coretemp.0/hwmon/hwmon0/temp5_max
@@ -0,0 +1 @@
+84000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_alarm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_beep b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_beep
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_beep
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_input b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_input
new file mode 100644
index 0000000..e2bb11d
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_input
@@ -0,0 +1 @@
+1098
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_min b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_min
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_min
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_pulses b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_pulses
new file mode 100644
index 0000000..0cfbf08
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_pulses
@@ -0,0 +1 @@
+2
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_target b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_target
new file mode 100644
index 0000000..48fa3d2
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_target
@@ -0,0 +1 @@
+27000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_tolerance b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_tolerance
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/fan2_tolerance
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_alarm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_alarm
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_alarm
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_beep b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_beep
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_beep
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_input b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_input
new file mode 100644
index 0000000..16331dd
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_input
@@ -0,0 +1 @@
+792
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_max b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_max
new file mode 100644
index 0000000..548f0a5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_max
@@ -0,0 +1 @@
+1744
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_min b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_min
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in0_min
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_alarm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_alarm
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_alarm
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_beep b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_beep
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_beep
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_input b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_input
new file mode 100644
index 0000000..d7b1c44
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_input
@@ -0,0 +1 @@
+1024
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_max b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_max
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_max
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_min b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_min
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/in1_min
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_alarm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_alarm
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_alarm
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_beep b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_beep
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion0_beep
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_alarm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_alarm
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_alarm
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_beep b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_beep
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/intrusion1_beep
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/name b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/name
new file mode 100644
index 0000000..bddebf2
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/name
@@ -0,0 +1 @@
+nct6779
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_pwm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_pwm
new file mode 100644
index 0000000..7f1ddd5
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_pwm
@@ -0,0 +1 @@
+153
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_temp
new file mode 100644
index 0000000..3a05c8b
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point1_temp
@@ -0,0 +1 @@
+30000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_pwm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_pwm
new file mode 100644
index 0000000..ace9d03
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_pwm
@@ -0,0 +1 @@
+255
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_temp
new file mode 100644
index 0000000..5bf3711
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point2_temp
@@ -0,0 +1 @@
+70000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_pwm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_pwm
new file mode 100644
index 0000000..ace9d03
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_pwm
@@ -0,0 +1 @@
+255
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_temp
new file mode 100644
index 0000000..5bf3711
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point3_temp
@@ -0,0 +1 @@
+70000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_pwm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_pwm
new file mode 100644
index 0000000..ace9d03
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_pwm
@@ -0,0 +1 @@
+255
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_temp
new file mode 100644
index 0000000..5bf3711
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point4_temp
@@ -0,0 +1 @@
+70000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_pwm b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_pwm
new file mode 100644
index 0000000..ace9d03
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_pwm
@@ -0,0 +1 @@
+255
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_temp
new file mode 100644
index 0000000..f2617ca
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_auto_point5_temp
@@ -0,0 +1 @@
+75000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_crit_temp_tolerance b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_crit_temp_tolerance
new file mode 100644
index 0000000..8bd1af1
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_crit_temp_tolerance
@@ -0,0 +1 @@
+2000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_enable b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_enable
new file mode 100644
index 0000000..7ed6ff8
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_enable
@@ -0,0 +1 @@
+5
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_floor b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_floor
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_floor
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_mode b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_mode
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_mode
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_start b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_start
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_start
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_down_time b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_down_time
new file mode 100644
index 0000000..29d6383
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_down_time
@@ -0,0 +1 @@
+100
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_up_time b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_up_time
new file mode 100644
index 0000000..29d6383
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_step_up_time
@@ -0,0 +1 @@
+100
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_stop_time b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_stop_time
new file mode 100644
index 0000000..a77fd92
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_stop_time
@@ -0,0 +1 @@
+6000
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_target_temp b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_target_temp
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_target_temp
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_sel b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_sel
new file mode 100644
index 0000000..7f8f011
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_sel
@@ -0,0 +1 @@
+7
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_tolerance b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_tolerance
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_temp_tolerance
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_base b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_base
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_base
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_step b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_step
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_duty_step
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_sel b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_sel
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_sel
@@ -0,0 +1 @@
+1
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_base b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_base
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_base
@@ -0,0 +1 @@
+0
diff --git a/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_tol b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_tol
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/collector/fixtures/sys/devices/platform/nct6775.656/hwmon/hwmon1/pwm1_weight_temp_step_tol
@@ -0,0 +1 @@
+0
diff --git a/collector/hwmon_linux.go b/collector/hwmon_linux.go
new file mode 100644
index 0000000..4ee1bc0
--- /dev/null
+++ b/collector/hwmon_linux.go
@@ -0,0 +1,386 @@
+// Copyright 2016 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !nohwmon
+
+package collector
+
+import (
+        "errors"
+        "io/ioutil"
+        "os"
+        "path"
+        "path/filepath"
+        "regexp"
+        "strconv"
+        "strings"
+
+        "github.com/prometheus/client_golang/prometheus"
+)
+
+const (
+        hwMonSubsystem = "hwmon"
+)
+
+var (
+        hwmonInvalidMetricChars = regexp.MustCompile("[^a-z0-9:_]")
+        hwmonFilenameFormat     = regexp.MustCompile(`^(?P<type>[^0-9]+)(?P<id>[0-9]*)?(_(?P<property>.+))?$`)
+        hwmonLabelDesc          = []string{"chip", "sensor"}
+        hwmonSensorTypes        = []string{
+                "vrm", "beep_enable", "update_interval", "in", "cpu", "fan",
+                "pwm", "temp", "curr", "power", "energy", "humidity",
+                "intrusion",
+        }
+)
+
+func init() {
+        Factories["hwmon"] = NewHwMonCollector
+}
+
+type hwMonCollector struct{}
+
+// Takes a prometheus registry and returns a new Collector exposing
+// /sys/class/hwmon stats (similar to lm-sensors).
+func NewHwMonCollector() (Collector, error) {
+        return &hwMonCollector{}, nil
+}
+
+func cleanMetricName(name string) string {
+        lower := strings.ToLower(name)
+        replaced := hwmonInvalidMetricChars.ReplaceAllLiteralString(lower, "_")
+        cleaned := strings.Trim(replaced, "_")
+        return cleaned
+}
+
+func addValueFile(data map[string]map[string]string, sensor string, prop string, file string) {
+        raw, e := ioutil.ReadFile(file)
+        if e != nil {
+                return
+        }
+        value := strings.Trim(string(raw), "\n")
+
+        if _, ok := data[sensor]; !ok {
+                data[sensor] = make(map[string]string)
+        }
+
+        data[sensor][prop] = value
+}
+
+// Split a sensor name into <type><num>_<property>
+func explodeSensorFilename(filename string) (ok bool, sensorType string, sensorNum int, sensorProperty string) {
+        matches := hwmonFilenameFormat.FindStringSubmatch(filename)
+        if len(matches) == 0 {
+                return false, sensorType, sensorNum, sensorProperty
+        }
+        for i, match := range hwmonFilenameFormat.SubexpNames() {
+                if i >= len(matches) {
+                        return true, sensorType, sensorNum, sensorProperty
+                }
+                if match == "type" {
+                        sensorType = matches[i]
+                }
+                if match == "property" {
+                        sensorProperty = matches[i]
+                }
+                if match == "id" && len(matches[i]) > 0 {
+                        if num, err := strconv.Atoi(matches[i]); err == nil {
+                                sensorNum = num
+                        } else {
+                                return false, sensorType, sensorNum, sensorProperty
+                        }
+                }
+        }
+        return true, sensorType, sensorNum, sensorProperty
+}
+
+func collectSensorData(dir string, data map[string]map[string]string) (err error) {
+        sensorFiles, dirError := ioutil.ReadDir(dir)
+        if dirError != nil {
+                return dirError
+        }
+        for _, file := range sensorFiles {
+                filename := file.Name()
+                ok, sensorType, sensorNum, sensorProperty := explodeSensorFilename(filename)
+                if !ok {
+                        continue
+                }
+
+                for _, t := range hwmonSensorTypes {
+                        if t == sensorType {
+                                addValueFile(data, sensorType+strconv.Itoa(sensorNum), sensorProperty, path.Join(dir, file.Name()))
+                                break
+                        }
+                }
+        }
+        return nil
+}
+
+func (c *hwMonCollector) updateHwmon(ch chan<- prometheus.Metric, dir string) (err error) {
+        hwmonName, err := c.hwmonName(dir)
+        if err != nil {
+                return err
+        }
+
+        data := make(map[string]map[string]string)
+        err = collectSensorData(dir, data)
+        if err != nil {
+                return err
+        }
+        if _, err := os.Stat(path.Join(dir, "device")); err == nil {
+                err := collectSensorData(path.Join(dir, "device"), data)
+                if err != nil {
+                        return err
+                }
+        }
+
+        // format all sensors
+        for sensor, sensorData := range data {
+
+                _, sensorType, _, _ := explodeSensorFilename(sensor)
+
+                if labelText, ok := sensorData["label"]; ok {
+                        label := cleanMetricName(labelText)
+                        if label != "" {
+                                sensor = label
+                        }
+                }
+                labels := []string{hwmonName, sensor}
+
+                if sensorType == "beep_enable" {
+                        value := 0.0
+                        if sensorData[""] == "1" {
+                                value = 1.0
+                        }
+                        metricName := "node_hwmon_beep_enabled"
+                        desc := prometheus.NewDesc(metricName, "Hardware beep enabled", hwmonLabelDesc, nil)
+                        ch <- prometheus.MustNewConstMetric(
+                                desc, prometheus.GaugeValue, value, labels...)
+                        continue
+                }
+                if sensorType == "vrm" {
+                        parsedValue, err := strconv.ParseFloat(sensorData[""], 64)
+                        if err != nil {
+                                continue
+                        }
+                        metricName := "node_hwmon_voltage_regulator_version"
+                        desc := prometheus.NewDesc(metricName, "Hardware voltage regulator", hwmonLabelDesc, nil)
+                        ch <- prometheus.MustNewConstMetric(
+                                desc, prometheus.GaugeValue, parsedValue, labels...)
+                        continue
+                }
+                if sensorType == "update_interval" {
+                        parsedValue, err := strconv.ParseFloat(sensorData[""], 64)
+                        if err != nil {
+                                continue
+                        }
+                        metricName := "node_hwmon_update_interval_seconds"
+                        desc := prometheus.NewDesc(metricName, "Hardware monitor update interval", hwmonLabelDesc, nil)
+                        ch <- prometheus.MustNewConstMetric(
+                                desc, prometheus.GaugeValue, parsedValue*0.001, labels...)
+                        continue
+                }
+
+                prefix := "node_hwmon_" + sensorType
+
+                for element, value := range sensorData {
+
+                        if element == "label" {
+                                continue
+                        }
+
+                        name := prefix
+                        if element == "input" {
+                                // input is actually the value
+                                if _, ok := sensorData[""]; ok {
+                                        name = name + "_input"
+                                }
+                        } else if element != "" {
+                                name = name + "_" + cleanMetricName(element)
+                        }
+                        parsedValue, err := strconv.ParseFloat(value, 64)
+                        if err != nil {
+                                continue
+                        }
+
+                        // special elements, fault, alarm & beep should be handed out without units
+                        if element == "fault" || element == "alarm" {
+                                desc := prometheus.NewDesc(name, "Hardware sensor "+element+" status ("+sensorType+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, parsedValue, labels...)
+                                continue
+                        }
+                        if element == "beep" {
+                                desc := prometheus.NewDesc(name+"_enabled", "Hardware monitor sensor has beeping enabled", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, parsedValue, labels...)
+                                continue
+                        }
+
+                        // everything else should get a unit
+                        if sensorType == "in" || sensorType == "cpu" {
+                                desc := prometheus.NewDesc(name+"_volts", "Hardware monitor for voltage ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue*0.001, labels...)
+                                continue
+                        }
+                        if sensorType == "temp" && element != "type" {
+                                desc := prometheus.NewDesc(name+"_celsius", "Hardware monitor for temperature ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue*0.001, labels...)
+                                continue
+                        }
+                        if sensorType == "curr" {
+                                desc := prometheus.NewDesc(name+"_amps", "Hardware monitor for current ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue*0.001, labels...)
+                                continue
+                        }
+                        if sensorType == "energy" {
+                                desc := prometheus.NewDesc(name+"_joule_total", "Hardware monitor for joules used so far ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.CounterValue, parsedValue/1000000.0, labels...)
+                                continue
+                        }
+                        if sensorType == "power" && element == "accuracy" {
+                                desc := prometheus.NewDesc(name, "Hardware monitor power meter accuracy, as a ratio", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue/1000000.0, labels...)
+                                continue
+                        }
+                        if sensorType == "power" && (element == "average_interval" || element == "average_interval_min" || element == "average_interval_max") {
+                                desc := prometheus.NewDesc(name+"_seconds", "Hardware monitor power usage update interval ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue*0.001, labels...)
+                                continue
+                        }
+                        if sensorType == "power" {
+                                desc := prometheus.NewDesc(name+"_watt", "Hardware monitor for power usage in watts ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue/1000000.0, labels...)
+                                continue
+                        }
+
+                        if sensorType == "humidity" {
+                                desc := prometheus.NewDesc(name, "Hardware monitor for humidity, as a ratio (multiply with 100.0 to get the humidity as a percentage) ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue/1000000.0, labels...)
+                                continue
+                        }
+
+                        if sensorType == "fan" && (element == "input" || element == "min" || element == "max" || element == "target") {
+                                desc := prometheus.NewDesc(name+"_rpm", "Hardware monitor for fan revolutions per minute ("+element+")", hwmonLabelDesc, nil)
+                                ch <- prometheus.MustNewConstMetric(
+                                        desc, prometheus.GaugeValue, parsedValue, labels...)
+                                continue
+                        }
+
+                        // fallback, just dump the metric as is
+
+                        desc := prometheus.NewDesc(name, "Hardware monitor "+sensorType+" element "+element, hwmonLabelDesc, nil)
+                        ch <- prometheus.MustNewConstMetric(
+                                desc, prometheus.GaugeValue, parsedValue, labels...)
+                }
+        }
+
+        return nil
+}
+
+func (c *hwMonCollector) hwmonName(dir string) (string, error) {
+        // generate a name for a sensor path
+
+        // sensor numbering depends on the order of linux module loading and
+        // is thus unstable.
+        // However the path of the device has to be stable:
+        // - /sys/devices/<bus>/<device>
+        // Some hardware monitors have a "name" file that exports a human
+        // readbale name that can be used.
+
+        // human readable names would be bat0 or coretemp, while a path string
+        // could be platform_applesmc.768
+
+        // preference 1: is there a name file
+
+        sysnameRaw, nameErr := ioutil.ReadFile(path.Join(dir, "name"))
+        if nameErr == nil && string(sysnameRaw) != "" {
+                cleanName := cleanMetricName(string(sysnameRaw))
+                if cleanName != "" {
+                        return cleanName, nil
+                }
+        }
+
+        // preference 2: construct a name based on device
+
+        devicePath, devErr := filepath.EvalSymlinks(path.Join(dir, "device"))
+        if devErr == nil {
+                devPathPrefix, devName := path.Split(devicePath)
+                _, devType := path.Split(devPathPrefix)
+
+                cleanDevName := cleanMetricName(devName)
+                cleanDevType := cleanMetricName(devType)
+
+                if cleanDevType != "" && cleanDevName != "" {
+                        return cleanDevType + "_" + cleanDevName, nil
+                }
+
+                if cleanDevName != "" {
+                        return cleanDevName, nil
+                }
+        }
+
+        // it looks bad, name and device don't provide enough information
+        // return a hwmon[0-9]* name
+
+        realDir, err := filepath.EvalSymlinks(dir)
+        if err != nil {
+                return "", err
+        }
+
+        // take the last path element, this will be hwmonX
+        _, name := path.Split(realDir)
+        cleanName := cleanMetricName(name)
+        if cleanName != "" {
+                return cleanName, nil
+        }
+        return "", errors.New("Could not derive a monitoring name for " + dir)
+}
+
+func (c *hwMonCollector) Update(ch chan<- prometheus.Metric) (err error) {
+        // Step 1: scan /sys/class/hwmon, resolve all symlinks and call
+        //         updatesHwmon for each folder
+
+        hwmonPathName := path.Join(sysFilePath("class"), "hwmon")
+
+        hwmonFiles, err := ioutil.ReadDir(hwmonPathName)
+        if err != nil {
+                return err
+        }
+
+        for _, hwDir := range hwmonFiles {
+                hwmonXPathName := path.Join(hwmonPathName, hwDir.Name())
+
+                if hwDir.Mode()&os.ModeSymlink > 0 {
+                        hwDir, err = os.Stat(hwmonXPathName)
+                        if err != nil {
+                                continue
+                        }
+                }
+
+                if !hwDir.IsDir() {
+                        continue
+                }
+
+                if lastErr := c.updateHwmon(ch, hwmonXPathName); lastErr != nil {
+                        err = lastErr
+                }
+        }
+
+        return err
+}
diff --git a/end-to-end-test.sh b/end-to-end-test.sh
index 89f799f..4e4ba41 100755
--- a/end-to-end-test.sh
+++ b/end-to-end-test.sh
@@ -7,6 +7,7 @@ collectors=$(cat << COLLECTORS
   diskstats
   entropy
   filefd
+  hwmon
   ksmd
   loadavg
   mdadm
diff --git a/node_exporter.go b/node_exporter.go
index 1e5594a..52d76b4 100644
--- a/node_exporter.go
+++ b/node_exporter.go
@@ -31,7 +31,7 @@ import (
 )
 
 const (
-        defaultCollectors = "conntrack,cpu,diskstats,entropy,filefd,filesystem,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,vmstat"
+        defaultCollectors = "conntrack,cpu,diskstats,entropy,filefd,filesystem,hwmon,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,vmstat"
 )
 
 var (