update procfs to v0.0.5

- Fixes (#1465) failure in netclass collector
- Adds parsing of CPU information

Signed-off-by: Paul Gier <pgier@redhat.com>

12 files changed, 1038 insertions, 131 deletions

diff --git a/go.mod b/go.mod
index 4c26dd2..4de53f9 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
         github.com/prometheus/client_golang v1.0.0
         github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90
         github.com/prometheus/common v0.4.1
-        github.com/prometheus/procfs v0.0.4
+        github.com/prometheus/procfs v0.0.5
         github.com/siebenmann/go-kstat v0.0.0-20160321171754-d34789b79745
         github.com/sirupsen/logrus v1.4.2 // indirect
         github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a
diff --git a/go.sum b/go.sum
index b9c3d45..3e03bfc 100644
--- a/go.sum
+++ b/go.sum
@@ -75,8 +75,8 @@ github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2 h1:6LJUbpNm42llc4HRCuvApCSWB/WfhuNo9K98Q9sNGfs=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/procfs v0.0.4 h1:w8DjqFMJDjuVwdZBQoOozr4MVWOnwF7RcL/7uxBjY78=
-github.com/prometheus/procfs v0.0.4/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
+github.com/prometheus/procfs v0.0.5 h1:3+auTFlqw+ZaQYJARz6ArODtkaIwtvBTx3N2NehQlL8=
+github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
 github.com/siebenmann/go-kstat v0.0.0-20160321171754-d34789b79745 h1:IuH7WumZNax0D+rEqmy2TyhKCzrtMGqbZO0b8rO00JA=
 github.com/siebenmann/go-kstat v0.0.0-20160321171754-d34789b79745/go.mod h1:G81aIFAMS9ECrwBYR9YxhlPjWgrItd+Kje78O6+uqm8=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
diff --git a/vendor/github.com/prometheus/procfs/buddyinfo.go b/vendor/github.com/prometheus/procfs/buddyinfo.go
index 63d4229..10bd067 100644
--- a/vendor/github.com/prometheus/procfs/buddyinfo.go
+++ b/vendor/github.com/prometheus/procfs/buddyinfo.go
@@ -31,7 +31,7 @@ type BuddyInfo struct {
         Sizes []float64
 }
 
-// NewBuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
+// BuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
 func (fs FS) BuddyInfo() ([]BuddyInfo, error) {
         file, err := os.Open(fs.proc.Path("buddyinfo"))
         if err != nil {
diff --git a/vendor/github.com/prometheus/procfs/cpuinfo.go b/vendor/github.com/prometheus/procfs/cpuinfo.go
new file mode 100644
index 0000000..16491d6
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/cpuinfo.go
@@ -0,0 +1,166 @@
+// Copyright 2019 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.
+
+package procfs
+
+import (
+        "bufio"
+        "bytes"
+        "io/ioutil"
+        "strconv"
+        "strings"
+)
+
+// CPUInfo contains general information about a system CPU found in /proc/cpuinfo
+type CPUInfo struct {
+        Processor       uint
+        VendorID        string
+        CPUFamily       string
+        Model           string
+        ModelName       string
+        Stepping        string
+        Microcode       string
+        CPUMHz          float64
+        CacheSize       string
+        PhysicalID      string
+        Siblings        uint
+        CoreID          string
+        CPUCores        uint
+        APICID          string
+        InitialAPICID   string
+        FPU             string
+        FPUException    string
+        CPUIDLevel      uint
+        WP              string
+        Flags           []string
+        Bugs            []string
+        BogoMips        float64
+        CLFlushSize     uint
+        CacheAlignment  uint
+        AddressSizes    string
+        PowerManagement string
+}
+
+// CPUInfo returns information about current system CPUs.
+// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
+func (fs FS) CPUInfo() ([]CPUInfo, error) {
+        data, err := ioutil.ReadFile(fs.proc.Path("cpuinfo"))
+        if err != nil {
+                return nil, err
+        }
+        return parseCPUInfo(data)
+}
+
+// parseCPUInfo parses data from /proc/cpuinfo
+func parseCPUInfo(info []byte) ([]CPUInfo, error) {
+        cpuinfo := []CPUInfo{}
+        i := -1
+        scanner := bufio.NewScanner(bytes.NewReader(info))
+        for scanner.Scan() {
+                line := scanner.Text()
+                if strings.TrimSpace(line) == "" {
+                        continue
+                }
+                field := strings.SplitN(line, ": ", 2)
+                switch strings.TrimSpace(field[0]) {
+                case "processor":
+                        cpuinfo = append(cpuinfo, CPUInfo{}) // start of the next processor
+                        i++
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].Processor = uint(v)
+                case "vendor_id":
+                        cpuinfo[i].VendorID = field[1]
+                case "cpu family":
+                        cpuinfo[i].CPUFamily = field[1]
+                case "model":
+                        cpuinfo[i].Model = field[1]
+                case "model name":
+                        cpuinfo[i].ModelName = field[1]
+                case "stepping":
+                        cpuinfo[i].Stepping = field[1]
+                case "microcode":
+                        cpuinfo[i].Microcode = field[1]
+                case "cpu MHz":
+                        v, err := strconv.ParseFloat(field[1], 64)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].CPUMHz = v
+                case "cache size":
+                        cpuinfo[i].CacheSize = field[1]
+                case "physical id":
+                        cpuinfo[i].PhysicalID = field[1]
+                case "siblings":
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].Siblings = uint(v)
+                case "core id":
+                        cpuinfo[i].CoreID = field[1]
+                case "cpu cores":
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].CPUCores = uint(v)
+                case "apicid":
+                        cpuinfo[i].APICID = field[1]
+                case "initial apicid":
+                        cpuinfo[i].InitialAPICID = field[1]
+                case "fpu":
+                        cpuinfo[i].FPU = field[1]
+                case "fpu_exception":
+                        cpuinfo[i].FPUException = field[1]
+                case "cpuid level":
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].CPUIDLevel = uint(v)
+                case "wp":
+                        cpuinfo[i].WP = field[1]
+                case "flags":
+                        cpuinfo[i].Flags = strings.Fields(field[1])
+                case "bugs":
+                        cpuinfo[i].Bugs = strings.Fields(field[1])
+                case "bogomips":
+                        v, err := strconv.ParseFloat(field[1], 64)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].BogoMips = v
+                case "clflush size":
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].CLFlushSize = uint(v)
+                case "cache_alignment":
+                        v, err := strconv.ParseUint(field[1], 0, 32)
+                        if err != nil {
+                                return nil, err
+                        }
+                        cpuinfo[i].CacheAlignment = uint(v)
+                case "address sizes":
+                        cpuinfo[i].AddressSizes = field[1]
+                case "power management":
+                        cpuinfo[i].PowerManagement = field[1]
+                }
+        }
+        return cpuinfo, nil
+
+}
diff --git a/vendor/github.com/prometheus/procfs/fixtures.ttar b/vendor/github.com/prometheus/procfs/fixtures.ttar
index 8591c27..0b29055 100644
--- a/vendor/github.com/prometheus/procfs/fixtures.ttar
+++ b/vendor/github.com/prometheus/procfs/fixtures.ttar
@@ -184,10 +184,10 @@ Lines: 53
 Name:   prometheus
 Umask:  0022
 State:  S (sleeping)
-Tgid:   1
+Tgid:   26231
 Ngid:   0
-Pid:    1
-PPid:   0
+Pid:    26231
+PPid:   1
 TracerPid:      0
 Uid:    0       0       0       0
 Gid:    0       0       0       0
@@ -333,6 +333,226 @@ Node 0, zone    DMA32    759    572    791    475    194     45     12      0
 Node 0, zone   Normal   4381   1093    185   1530    567    102      4      0      0      0      0
 Mode: 644
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/proc/cpuinfo
+Lines: 216
+processor       : 0
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 799.998
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 0
+cpu cores       : 4
+apicid          : 0
+initial apicid  : 0
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 1
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.037
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 1
+cpu cores       : 4
+apicid          : 2
+initial apicid  : 2
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 2
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.010
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 2
+cpu cores       : 4
+apicid          : 4
+initial apicid  : 4
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 3
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.028
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 3
+cpu cores       : 4
+apicid          : 6
+initial apicid  : 6
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 4
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 799.989
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 0
+cpu cores       : 4
+apicid          : 1
+initial apicid  : 1
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 5
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.083
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 1
+cpu cores       : 4
+apicid          : 3
+initial apicid  : 3
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 6
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.017
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 2
+cpu cores       : 4
+apicid          : 5
+initial apicid  : 5
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 22
+wp              : yes
+flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
+bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs
+bogomips        : 4224.00
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 39 bits physical, 48 bits virtual
+power management:
+
+processor       : 7
+vendor_id       : GenuineIntel
+cpu family      : 6
+model           : 142
+model name      : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
+stepping        : 10
+microcode       : 0xb4
+cpu MHz         : 800.030
+cache size      : 8192 KB
+physical id     : 0
+siblings        : 8
+core id         : 3
+cpu cores       : 4
+apicid          : 7
+initial apicid  : 7
+fpu             : yes
+fpu_exception   : yes
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+Path: fixtures/sys/devices/system/cpu/cpu1/topology/core_siblings_list
+Lines: 1
+0-7
+Mode: 444
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/sys/devices/system/cpu/cpu1/topology/physical_package_id
+Lines: 1
+0
+Mode: 444
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/sys/devices/system/cpu/cpu1/topology/thread_siblings
+Lines: 1
+22
+Mode: 444
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/sys/devices/system/cpu/cpu1/topology/thread_siblings_list
+Lines: 1
+1,5
+Mode: 444
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Directory: fixtures/sys/devices/system/cpu/cpufreq
 Mode: 775
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
diff --git a/vendor/github.com/prometheus/procfs/proc_status.go b/vendor/github.com/prometheus/procfs/proc_status.go
index 6b4b61f..ad290fa 100644
--- a/vendor/github.com/prometheus/procfs/proc_status.go
+++ b/vendor/github.com/prometheus/procfs/proc_status.go
@@ -21,7 +21,7 @@ import (
         "strings"
 )
 
-// ProcStat provides status information about the process,
+// ProcStatus provides status information about the process,
 // read from /proc/[pid]/stat.
 type ProcStatus struct {
         // The process ID.
@@ -29,6 +29,9 @@ type ProcStatus struct {
         // The process name.
         Name string
 
+        // Thread group ID.
+        TGID int
+
         // Peak virtual memory size.
         VmPeak uint64
         // Virtual memory size.
@@ -113,6 +116,8 @@ func (p Proc) NewStatus() (ProcStatus, error) {
 
 func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) {
         switch k {
+        case "Tgid":
+                s.TGID = int(vUint)
         case "Name":
                 s.Name = vString
         case "VmPeak":
diff --git a/vendor/github.com/prometheus/procfs/schedstat.go b/vendor/github.com/prometheus/procfs/schedstat.go
index 98221e3..a4c4089 100644
--- a/vendor/github.com/prometheus/procfs/schedstat.go
+++ b/vendor/github.com/prometheus/procfs/schedstat.go
@@ -26,7 +26,7 @@ var (
         procLineRE = regexp.MustCompile(`(\d+) (\d+) (\d+)`)
 )
 
-// Schedstat contains scheduler statistics from /proc/schedstats
+// Schedstat contains scheduler statistics from /proc/schedstat
 //
 // See
 // https://www.kernel.org/doc/Documentation/scheduler/sched-stats.txt
@@ -36,7 +36,6 @@ var (
 // jiffies when they are actually in nanoseconds since 2.6.23 with the
 // introduction of CFS. A fix to the documentation is pending. See
 // https://lore.kernel.org/patchwork/project/lkml/list/?series=403473
-
 type Schedstat struct {
         CPUs []*SchedstatCPU
 }
@@ -57,6 +56,7 @@ type ProcSchedstat struct {
         RunTimeslices      uint64
 }
 
+// Schedstat reads data from /proc/schedstat
 func (fs FS) Schedstat() (*Schedstat, error) {
         file, err := os.Open(fs.proc.Path("schedstat"))
         if err != nil {
diff --git a/vendor/github.com/prometheus/procfs/sysfs/class_infiniband.go b/vendor/github.com/prometheus/procfs/sysfs/class_infiniband.go
index e81cb85..9156474 100644
--- a/vendor/github.com/prometheus/procfs/sysfs/class_infiniband.go
+++ b/vendor/github.com/prometheus/procfs/sysfs/class_infiniband.go
@@ -244,13 +244,16 @@ func parseInfiniBandCounters(portPath string) (*InfiniBandCounters, error) {
         }
 
         for _, f := range files {
-                if f.IsDir() {
+                if !f.Mode().IsRegular() {
                         continue
                 }
 
                 name := filepath.Join(path, f.Name())
                 value, err := util.SysReadFile(name)
                 if err != nil {
+                        if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" {
+                                continue
+                        }
                         return nil, fmt.Errorf("failed to read file %q: %v", name, err)
                 }
 
@@ -324,13 +327,16 @@ func parseInfiniBandCounters(portPath string) (*InfiniBandCounters, error) {
         }
 
         for _, f := range files {
-                if f.IsDir() {
+                if !f.Mode().IsRegular() {
                         continue
                 }
 
                 name := filepath.Join(path, f.Name())
                 value, err := util.SysReadFile(name)
                 if err != nil {
+                        if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" {
+                                continue
+                        }
                         return nil, fmt.Errorf("failed to read file %q: %v", name, err)
                 }
 
diff --git a/vendor/github.com/prometheus/procfs/sysfs/class_power_supply.go b/vendor/github.com/prometheus/procfs/sysfs/class_power_supply.go
index 3fe7dd4..d12e913 100644
--- a/vendor/github.com/prometheus/procfs/sysfs/class_power_supply.go
+++ b/vendor/github.com/prometheus/procfs/sysfs/class_power_supply.go
@@ -18,6 +18,7 @@ package sysfs
 import (
         "fmt"
         "io/ioutil"
+        "os"
         "path/filepath"
 
         "github.com/prometheus/procfs/internal/util"
@@ -134,13 +135,16 @@ func parsePowerSupply(path string) (*PowerSupply, error) {
 
         var ps PowerSupply
         for _, f := range files {
-                if f.IsDir() {
+                if !f.Mode().IsRegular() {
                         continue
                 }
 
                 name := filepath.Join(path, f.Name())
                 value, err := util.SysReadFile(name)
                 if err != nil {
+                        if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" {
+                                continue
+                        }
                         return nil, fmt.Errorf("failed to read file %q: %v", name, err)
                 }
 
diff --git a/vendor/github.com/prometheus/procfs/sysfs/net_class.go b/vendor/github.com/prometheus/procfs/sysfs/net_class.go
index d5c0d6a..9aa6b57 100644
--- a/vendor/github.com/prometheus/procfs/sysfs/net_class.go
+++ b/vendor/github.com/prometheus/procfs/sysfs/net_class.go
@@ -18,6 +18,7 @@ package sysfs
 import (
         "fmt"
         "io/ioutil"
+        "os"
         "path/filepath"
 
         "github.com/prometheus/procfs/internal/util"
@@ -112,12 +113,15 @@ func (nc NetClass) parseNetClassIface(devicePath string) (*NetClassIface, error)
         }
 
         for _, f := range files {
-                if f.IsDir() {
+                if !f.Mode().IsRegular() {
                         continue
                 }
                 name := filepath.Join(devicePath, f.Name())
                 value, err := util.SysReadFile(name)
                 if err != nil {
+                        if os.IsNotExist(err) || err.Error() == "operation not supported" || err.Error() == "invalid argument" {
+                                continue
+                        }
                         return nil, fmt.Errorf("failed to read file %q: %v", name, err)
                 }
                 vp := util.NewValueParser(value)
diff --git a/vendor/github.com/prometheus/procfs/sysfs/system_cpu.go b/vendor/github.com/prometheus/procfs/sysfs/system_cpu.go
index 001039c..ddb9ebf 100644
--- a/vendor/github.com/prometheus/procfs/sysfs/system_cpu.go
+++ b/vendor/github.com/prometheus/procfs/sysfs/system_cpu.go
@@ -25,6 +25,28 @@ import (
         "github.com/prometheus/procfs/internal/util"
 )
 
+// CPU represents a path to a CPU located in /sys/devices/system/cpu/cpu[0-9]*
+type CPU string
+
+// Number returns the ID number of the given CPU
+func (c CPU) Number() string {
+        return strings.TrimPrefix(filepath.Base(string(c)), "cpu")
+}
+
+// CPUTopology contains data located in /sys/devices/system/cpu/cpu[0-9]*/topology
+type CPUTopology struct {
+        CoreID             string
+        CoreSiblingsList   string
+        PhysicalPackageID  string
+        ThreadSiblingsList string
+}
+
+// CPUThermalThrottle contains data from /sys/devices/system/cpu/cpu[0-9]*/thermal_throttle
+type CPUThermalThrottle struct {
+        CoreThrottleCount    uint64
+        PackageThrottleCount uint64
+}
+
 // SystemCPUCpufreqStats contains stats from devices/system/cpu/cpu[0-9]*/cpufreq/...
 type SystemCPUCpufreqStats struct {
         Name                     string
@@ -42,9 +64,80 @@ type SystemCPUCpufreqStats struct {
         SetSpeed                 string
 }
 
-// TODO: Add topology support.
+// CPUs returns a slice of all CPUs in /sys/devices/system/cpu
+func (fs FS) CPUs() ([]CPU, error) {
+        cpuPaths, err := filepath.Glob(fs.sys.Path("devices/system/cpu/cpu[0-9]*"))
+        if err != nil {
+                return nil, err
+        }
+        cpus := make([]CPU, len(cpuPaths))
+        for i, cpu := range cpuPaths {
+                cpus[i] = CPU(cpu)
+        }
+        return cpus, nil
+}
 
-// TODO: Add thermal_throttle support.
+// Topology gets the topology information for a single CPU from /sys/devices/system/cpu/cpuN/topology
+func (c CPU) Topology() (*CPUTopology, error) {
+        cpuTopologyPath := filepath.Join(string(c), "topology")
+        if _, err := os.Stat(cpuTopologyPath); err != nil {
+                return nil, err
+        }
+        t, err := parseCPUTopology(cpuTopologyPath)
+        if err != nil {
+                return nil, err
+        }
+        return t, nil
+}
+
+func parseCPUTopology(cpuPath string) (*CPUTopology, error) {
+        t := CPUTopology{}
+        var err error
+        t.CoreID, err = util.SysReadFile(filepath.Join(cpuPath, "core_id"))
+        if err != nil {
+                return nil, err
+        }
+        t.PhysicalPackageID, err = util.SysReadFile(filepath.Join(cpuPath, "physical_package_id"))
+        if err != nil {
+                return nil, err
+        }
+        t.CoreSiblingsList, err = util.SysReadFile(filepath.Join(cpuPath, "core_siblings_list"))
+        if err != nil {
+                return nil, err
+        }
+        t.ThreadSiblingsList, err = util.SysReadFile(filepath.Join(cpuPath, "thread_siblings_list"))
+        if err != nil {
+                return nil, err
+        }
+        return &t, nil
+}
+
+// ThermalThrottle gets the cpu throttle count information for a single CPU from /sys/devices/system/cpu/cpuN/thermal_throttle
+func (c CPU) ThermalThrottle() (*CPUThermalThrottle, error) {
+        cpuPath := filepath.Join(string(c), "thermal_throttle")
+        if _, err := os.Stat(cpuPath); err != nil {
+                return nil, err
+        }
+        t, err := parseCPUThermalThrottle(cpuPath)
+        if err != nil {
+                return nil, err
+        }
+        return t, nil
+}
+
+func parseCPUThermalThrottle(cpuPath string) (*CPUThermalThrottle, error) {
+        t := CPUThermalThrottle{}
+        var err error
+        t.PackageThrottleCount, err = util.ReadUintFromFile(filepath.Join(cpuPath, "package_throttle_count"))
+        if err != nil {
+                return nil, err
+        }
+        t.CoreThrottleCount, err = util.ReadUintFromFile(filepath.Join(cpuPath, "core_throttle_count"))
+        if err != nil {
+                return nil, err
+        }
+        return &t, nil
+}
 
 // SystemCpufreq returns CPU frequency metrics for all CPUs.
 func (fs FS) SystemCpufreq() ([]SystemCPUCpufreqStats, error) {
diff --git a/vendor/modules.txt b/vendor/modules.txt
index df588fb..4d377cc 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -45,7 +45,7 @@ github.com/prometheus/common/version
 github.com/prometheus/common/expfmt
 github.com/prometheus/common/model
 github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
-# github.com/prometheus/procfs v0.0.4
+# github.com/prometheus/procfs v0.0.5
 github.com/prometheus/procfs
 github.com/prometheus/procfs/bcache
 github.com/prometheus/procfs/nfs