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Diffstat (limited to 'vendor/github.com/prometheus/procfs')
56 files changed, 2047 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/.travis.yml b/vendor/github.com/prometheus/procfs/.travis.yml new file mode 100644 index 000000000..2b4554da5 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/.travis.yml @@ -0,0 +1,5 @@ +sudo: false +language: go +go: + - 1.5 + - 1.6 diff --git a/vendor/github.com/prometheus/procfs/AUTHORS.md b/vendor/github.com/prometheus/procfs/AUTHORS.md new file mode 100644 index 000000000..0c802dd87 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/AUTHORS.md @@ -0,0 +1,20 @@ +The Prometheus project was started by Matt T. Proud (emeritus) and +Julius Volz in 2012. + +Maintainers of this repository: + +* Tobias Schmidt <ts@soundcloud.com> + +The following individuals have contributed code to this repository +(listed in alphabetical order): + +* Armen Baghumian <abaghumian@noggin.com.au> +* Bjoern Rabenstein <beorn@soundcloud.com> +* David Cournapeau <cournape@gmail.com> +* Ji-Hoon, Seol <jihoon.seol@gmail.com> +* Jonas Große Sundrup <cherti@letopolis.de> +* Julius Volz <julius.volz@gmail.com> +* Matthias Rampke <mr@soundcloud.com> +* Nicky Gerritsen <nicky@streamone.nl> +* Rémi Audebert <contact@halfr.net> +* Tobias Schmidt <tobidt@gmail.com> diff --git a/vendor/github.com/prometheus/procfs/CONTRIBUTING.md b/vendor/github.com/prometheus/procfs/CONTRIBUTING.md new file mode 100644 index 000000000..5705f0fbe --- /dev/null +++ b/vendor/github.com/prometheus/procfs/CONTRIBUTING.md @@ -0,0 +1,18 @@ +# Contributing + +Prometheus uses GitHub to manage reviews of pull requests. + +* If you have a trivial fix or improvement, go ahead and create a pull + request, addressing (with `@...`) one or more of the maintainers + (see [AUTHORS.md](AUTHORS.md)) in the description of the pull request. + +* If you plan to do something more involved, first discuss your ideas + on our [mailing list](https://groups.google.com/forum/?fromgroups#!forum/prometheus-developers). + This will avoid unnecessary work and surely give you and us a good deal + of inspiration. + +* Relevant coding style guidelines are the [Go Code Review + Comments](https://code.google.com/p/go-wiki/wiki/CodeReviewComments) + and the _Formatting and style_ section of Peter Bourgon's [Go: Best + Practices for Production + Environments](http://peter.bourgon.org/go-in-production/#formatting-and-style). diff --git a/vendor/github.com/prometheus/procfs/LICENSE b/vendor/github.com/prometheus/procfs/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. diff --git a/vendor/github.com/prometheus/procfs/Makefile b/vendor/github.com/prometheus/procfs/Makefile new file mode 100644 index 000000000..c264a49d1 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/Makefile @@ -0,0 +1,6 @@ +ci: + ! gofmt -l *.go | read nothing + go vet + go test -v ./... + go get github.com/golang/lint/golint + golint *.go diff --git a/vendor/github.com/prometheus/procfs/NOTICE b/vendor/github.com/prometheus/procfs/NOTICE new file mode 100644 index 000000000..53c5e9aa1 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/NOTICE @@ -0,0 +1,7 @@ +procfs provides functions to retrieve system, kernel and process +metrics from the pseudo-filesystem proc. + +Copyright 2014-2015 The Prometheus Authors + +This product includes software developed at +SoundCloud Ltd. (http://soundcloud.com/). diff --git a/vendor/github.com/prometheus/procfs/README.md b/vendor/github.com/prometheus/procfs/README.md new file mode 100644 index 000000000..6e7ee6b8b --- /dev/null +++ b/vendor/github.com/prometheus/procfs/README.md @@ -0,0 +1,10 @@ +# procfs + +This procfs package provides functions to retrieve system, kernel and process +metrics from the pseudo-filesystem proc. + +*WARNING*: This package is a work in progress. Its API may still break in +backwards-incompatible ways without warnings. Use it at your own risk. + +[](https://godoc.org/github.com/prometheus/procfs) +[](https://travis-ci.org/prometheus/procfs) diff --git a/vendor/github.com/prometheus/procfs/doc.go b/vendor/github.com/prometheus/procfs/doc.go new file mode 100644 index 000000000..e2acd6d40 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/doc.go @@ -0,0 +1,45 @@ +// Copyright 2014 Prometheus Team +// 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 provides functions to retrieve system, kernel and process +// metrics from the pseudo-filesystem proc. +// +// Example: +// +// package main +// +// import ( +// "fmt" +// "log" +// +// "github.com/prometheus/procfs" +// ) +// +// func main() { +// p, err := procfs.Self() +// if err != nil { +// log.Fatalf("could not get process: %s", err) +// } +// +// stat, err := p.NewStat() +// if err != nil { +// log.Fatalf("could not get process stat: %s", err) +// } +// +// fmt.Printf("command: %s\n", stat.Comm) +// fmt.Printf("cpu time: %fs\n", stat.CPUTime()) +// fmt.Printf("vsize: %dB\n", stat.VirtualMemory()) +// fmt.Printf("rss: %dB\n", stat.ResidentMemory()) +// } +// +package procfs diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/cmdline b/vendor/github.com/prometheus/procfs/fixtures/26231/cmdline Binary files differnew file mode 100644 index 000000000..d2d8ef887 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/cmdline diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/comm b/vendor/github.com/prometheus/procfs/fixtures/26231/comm new file mode 100644 index 000000000..f027e0d4b --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/comm @@ -0,0 +1 @@ +vim diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/exe b/vendor/github.com/prometheus/procfs/fixtures/26231/exe new file mode 120000 index 000000000..a91bec4da --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/exe @@ -0,0 +1 @@ +/usr/bin/vim
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/fd/0 b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/0 new file mode 120000 index 000000000..da9c5dff3 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/0 @@ -0,0 +1 @@ +../../symlinktargets/abc
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/fd/1 b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/1 new file mode 120000 index 000000000..ca47b50ca --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/1 @@ -0,0 +1 @@ +../../symlinktargets/def
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/fd/10 b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/10 new file mode 120000 index 000000000..c08683168 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/10 @@ -0,0 +1 @@ +../../symlinktargets/xyz
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/fd/2 b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/2 new file mode 120000 index 000000000..66731c068 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/2 @@ -0,0 +1 @@ +../../symlinktargets/ghi
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/fd/3 b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/3 new file mode 120000 index 000000000..0135dce35 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/fd/3 @@ -0,0 +1 @@ +../../symlinktargets/uvw
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/io b/vendor/github.com/prometheus/procfs/fixtures/26231/io new file mode 100644 index 000000000..b6210a7a7 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/io @@ -0,0 +1,7 @@ +rchar: 750339 +wchar: 818609 +syscr: 7405 +syscw: 5245 +read_bytes: 1024 +write_bytes: 2048 +cancelled_write_bytes: -1024 diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/limits b/vendor/github.com/prometheus/procfs/fixtures/26231/limits new file mode 100644 index 000000000..23c6b6898 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/limits @@ -0,0 +1,17 @@ +Limit Soft Limit Hard Limit Units +Max cpu time unlimited unlimited seconds +Max file size unlimited unlimited bytes +Max data size unlimited unlimited bytes +Max stack size 8388608 unlimited bytes +Max core file size 0 unlimited bytes +Max resident set unlimited unlimited bytes +Max processes 62898 62898 processes +Max open files 2048 4096 files +Max locked memory 65536 65536 bytes +Max address space unlimited unlimited bytes +Max file locks unlimited unlimited locks +Max pending signals 62898 62898 signals +Max msgqueue size 819200 819200 bytes +Max nice priority 0 0 +Max realtime priority 0 0 +Max realtime timeout unlimited unlimited us diff --git a/vendor/github.com/prometheus/procfs/fixtures/26231/stat b/vendor/github.com/prometheus/procfs/fixtures/26231/stat new file mode 100644 index 000000000..438aaa9dc --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26231/stat @@ -0,0 +1 @@ +26231 (vim) R 5392 7446 5392 34835 7446 4218880 32533 309516 26 82 1677 44 158 99 20 0 1 0 82375 56274944 1981 18446744073709551615 4194304 6294284 140736914091744 140736914087944 139965136429984 0 0 12288 1870679807 0 0 0 17 0 0 0 31 0 0 8391624 8481048 16420864 140736914093252 140736914093279 140736914093279 140736914096107 0 diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/cmdline b/vendor/github.com/prometheus/procfs/fixtures/26232/cmdline new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/cmdline diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/comm b/vendor/github.com/prometheus/procfs/fixtures/26232/comm new file mode 100644 index 000000000..62361ca78 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/comm @@ -0,0 +1 @@ +ata_sff diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/fd/0 b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/0 new file mode 120000 index 000000000..da9c5dff3 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/0 @@ -0,0 +1 @@ +../../symlinktargets/abc
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/fd/1 b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/1 new file mode 120000 index 000000000..ca47b50ca --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/1 @@ -0,0 +1 @@ +../../symlinktargets/def
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/fd/2 b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/2 new file mode 120000 index 000000000..66731c068 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/2 @@ -0,0 +1 @@ +../../symlinktargets/ghi
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/fd/3 b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/3 new file mode 120000 index 000000000..0135dce35 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/3 @@ -0,0 +1 @@ +../../symlinktargets/uvw
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/fd/4 b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/4 new file mode 120000 index 000000000..c08683168 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/fd/4 @@ -0,0 +1 @@ +../../symlinktargets/xyz
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/limits b/vendor/github.com/prometheus/procfs/fixtures/26232/limits new file mode 100644 index 000000000..3f9bf16a9 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/limits @@ -0,0 +1,17 @@ +Limit Soft Limit Hard Limit Units +Max cpu time unlimited unlimited seconds +Max file size unlimited unlimited bytes +Max data size unlimited unlimited bytes +Max stack size 8388608 unlimited bytes +Max core file size 0 unlimited bytes +Max resident set unlimited unlimited bytes +Max processes 29436 29436 processes +Max open files 1024 4096 files +Max locked memory 65536 65536 bytes +Max address space unlimited unlimited bytes +Max file locks unlimited unlimited locks +Max pending signals 29436 29436 signals +Max msgqueue size 819200 819200 bytes +Max nice priority 0 0 +Max realtime priority 0 0 +Max realtime timeout unlimited unlimited us diff --git a/vendor/github.com/prometheus/procfs/fixtures/26232/stat b/vendor/github.com/prometheus/procfs/fixtures/26232/stat new file mode 100644 index 000000000..321b16073 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/26232/stat @@ -0,0 +1 @@ +33 (ata_sff) S 2 0 0 0 -1 69238880 0 0 0 0 0 0 0 0 0 -20 1 0 5 0 0 18446744073709551615 0 0 0 0 0 0 0 2147483647 0 18446744073709551615 0 0 17 1 0 0 0 0 0 0 0 0 0 0 0 0 0 diff --git a/vendor/github.com/prometheus/procfs/fixtures/584/stat b/vendor/github.com/prometheus/procfs/fixtures/584/stat new file mode 100644 index 000000000..65b9369d1 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/584/stat @@ -0,0 +1,2 @@ +1020 ((a b ) ( c d) ) R 28378 1020 28378 34842 1020 4218880 286 0 0 0 0 0 0 0 20 0 1 0 10839175 10395648 155 18446744073709551615 4194304 4238788 140736466511168 140736466511168 140609271124624 0 0 0 0 0 0 0 17 5 0 0 0 0 0 6336016 6337300 25579520 140736466515030 140736466515061 140736466515061 140736466518002 0 +#!/bin/cat /proc/self/stat diff --git a/vendor/github.com/prometheus/procfs/fixtures/mdstat b/vendor/github.com/prometheus/procfs/fixtures/mdstat new file mode 100644 index 000000000..4430bdee2 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/mdstat @@ -0,0 +1,26 @@ +Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] +md3 : active raid6 sda1[8] sdh1[7] sdg1[6] sdf1[5] sde1[11] sdd1[3] sdc1[10] sdb1[9] + 5853468288 blocks super 1.2 level 6, 64k chunk, algorithm 2 [8/8] [UUUUUUUU] + +md127 : active raid1 sdi2[0] sdj2[1] + 312319552 blocks [2/2] [UU] + +md0 : active raid1 sdk[2](S) sdi1[0] sdj1[1] + 248896 blocks [2/2] [UU] + +md4 : inactive raid1 sda3[0] sdb3[1] + 4883648 blocks [2/2] [UU] + +md6 : active raid1 sdb2[2] sda2[0] + 195310144 blocks [2/1] [U_] + [=>...................] recovery = 8.5% (16775552/195310144) finish=17.0min speed=259783K/sec + +md8 : active raid1 sdb1[1] sda1[0] + 195310144 blocks [2/2] [UU] + [=>...................] resync = 8.5% (16775552/195310144) finish=17.0min speed=259783K/sec + +md7 : active raid6 sdb1[0] sde1[3] sdd1[2] sdc1[1] + 7813735424 blocks super 1.2 level 6, 512k chunk, algorithm 2 [4/3] [U_UU] + bitmap: 0/30 pages [0KB], 65536KB chunk + +unused devices: <none> diff --git a/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs b/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs new file mode 100644 index 000000000..6a6a97d7d --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs @@ -0,0 +1,14 @@ +IP Virtual Server version 1.2.1 (size=4096) +Prot LocalAddress:Port Scheduler Flags + -> RemoteAddress:Port Forward Weight ActiveConn InActConn +TCP C0A80016:0CEA wlc + -> C0A85216:0CEA Tunnel 100 248 2 + -> C0A85318:0CEA Tunnel 100 248 2 + -> C0A85315:0CEA Tunnel 100 248 1 +TCP C0A80039:0CEA wlc + -> C0A85416:0CEA Tunnel 0 0 0 + -> C0A85215:0CEA Tunnel 100 1499 0 + -> C0A83215:0CEA Tunnel 100 1498 0 +TCP C0A80037:0CEA wlc + -> C0A8321A:0CEA Tunnel 0 0 0 + -> C0A83120:0CEA Tunnel 100 0 0 diff --git a/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs_stats b/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs_stats new file mode 100644 index 000000000..c00724e0f --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/net/ip_vs_stats @@ -0,0 +1,6 @@ + Total Incoming Outgoing Incoming Outgoing + Conns Packets Packets Bytes Bytes + 16AA370 E33656E5 0 51D8C8883AB3 0 + + Conns/s Pkts/s Pkts/s Bytes/s Bytes/s + 4 1FB3C 0 1282A8F 0 diff --git a/vendor/github.com/prometheus/procfs/fixtures/self b/vendor/github.com/prometheus/procfs/fixtures/self new file mode 120000 index 000000000..1eeedea3d --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/self @@ -0,0 +1 @@ +26231
\ No newline at end of file diff --git a/vendor/github.com/prometheus/procfs/fixtures/stat b/vendor/github.com/prometheus/procfs/fixtures/stat new file mode 100644 index 000000000..dabb96f74 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/stat @@ -0,0 +1,16 @@ +cpu 301854 612 111922 8979004 3552 2 3944 0 0 0 +cpu0 44490 19 21045 1087069 220 1 3410 0 0 0 +cpu1 47869 23 16474 1110787 591 0 46 0 0 0 +cpu2 46504 36 15916 1112321 441 0 326 0 0 0 +cpu3 47054 102 15683 1113230 533 0 60 0 0 0 +cpu4 28413 25 10776 1140321 217 0 8 0 0 0 +cpu5 29271 101 11586 1136270 672 0 30 0 0 0 +cpu6 29152 36 10276 1139721 319 0 29 0 0 0 +cpu7 29098 268 10164 1139282 555 0 31 0 0 0 +intr 8885917 17 0 0 0 0 0 0 0 1 79281 0 0 0 0 0 0 0 231237 0 0 0 0 250586 103 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 223424 190745 13 906 1283803 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +ctxt 38014093 +btime 1418183276 +processes 26442 +procs_running 2 +procs_blocked 0 +softirq 5057579 250191 1481983 1647 211099 186066 0 1783454 622196 12499 508444 diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/README b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/README new file mode 100644 index 000000000..5cf184ea0 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/README @@ -0,0 +1,2 @@ +This directory contains some empty files that are the symlinks the files in the "fd" directory point to. +They are otherwise ignored by the tests diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/abc b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/abc new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/abc diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/def b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/def new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/def diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/ghi b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/ghi new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/ghi diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/uvw b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/uvw new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/uvw diff --git a/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/xyz b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/xyz new file mode 100644 index 000000000..e69de29bb --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fixtures/symlinktargets/xyz diff --git a/vendor/github.com/prometheus/procfs/fs.go b/vendor/github.com/prometheus/procfs/fs.go new file mode 100644 index 000000000..49aaab050 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fs.go @@ -0,0 +1,33 @@ +package procfs + +import ( + "fmt" + "os" + "path" +) + +// FS represents the pseudo-filesystem proc, which provides an interface to +// kernel data structures. +type FS string + +// DefaultMountPoint is the common mount point of the proc filesystem. +const DefaultMountPoint = "/proc" + +// NewFS returns a new FS mounted under the given mountPoint. It will error +// if the mount point can't be read. +func NewFS(mountPoint string) (FS, error) { + info, err := os.Stat(mountPoint) + if err != nil { + return "", fmt.Errorf("could not read %s: %s", mountPoint, err) + } + if !info.IsDir() { + return "", fmt.Errorf("mount point %s is not a directory", mountPoint) + } + + return FS(mountPoint), nil +} + +// Path returns the path of the given subsystem relative to the procfs root. +func (fs FS) Path(p ...string) string { + return path.Join(append([]string{string(fs)}, p...)...) +} diff --git a/vendor/github.com/prometheus/procfs/fs_test.go b/vendor/github.com/prometheus/procfs/fs_test.go new file mode 100644 index 000000000..91f1c6c97 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/fs_test.go @@ -0,0 +1,13 @@ +package procfs + +import "testing" + +func TestNewFS(t *testing.T) { + if _, err := NewFS("foobar"); err == nil { + t.Error("want NewFS to fail for non-existing mount point") + } + + if _, err := NewFS("procfs.go"); err == nil { + t.Error("want NewFS to fail if mount point is not a directory") + } +} diff --git a/vendor/github.com/prometheus/procfs/ipvs.go b/vendor/github.com/prometheus/procfs/ipvs.go new file mode 100644 index 000000000..e7012f732 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/ipvs.go @@ -0,0 +1,224 @@ +package procfs + +import ( + "bufio" + "encoding/hex" + "errors" + "fmt" + "io" + "io/ioutil" + "net" + "os" + "strconv" + "strings" +) + +// IPVSStats holds IPVS statistics, as exposed by the kernel in `/proc/net/ip_vs_stats`. +type IPVSStats struct { + // Total count of connections. + Connections uint64 + // Total incoming packages processed. + IncomingPackets uint64 + // Total outgoing packages processed. + OutgoingPackets uint64 + // Total incoming traffic. + IncomingBytes uint64 + // Total outgoing traffic. + OutgoingBytes uint64 +} + +// IPVSBackendStatus holds current metrics of one virtual / real address pair. +type IPVSBackendStatus struct { + // The local (virtual) IP address. + LocalAddress net.IP + // The local (virtual) port. + LocalPort uint16 + // The transport protocol (TCP, UDP). + Proto string + // The remote (real) IP address. + RemoteAddress net.IP + // The remote (real) port. + RemotePort uint16 + // The current number of active connections for this virtual/real address pair. + ActiveConn uint64 + // The current number of inactive connections for this virtual/real address pair. + InactConn uint64 + // The current weight of this virtual/real address pair. + Weight uint64 +} + +// NewIPVSStats reads the IPVS statistics. +func NewIPVSStats() (IPVSStats, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return IPVSStats{}, err + } + + return fs.NewIPVSStats() +} + +// NewIPVSStats reads the IPVS statistics from the specified `proc` filesystem. +func (fs FS) NewIPVSStats() (IPVSStats, error) { + file, err := os.Open(fs.Path("net/ip_vs_stats")) + if err != nil { + return IPVSStats{}, err + } + defer file.Close() + + return parseIPVSStats(file) +} + +// parseIPVSStats performs the actual parsing of `ip_vs_stats`. +func parseIPVSStats(file io.Reader) (IPVSStats, error) { + var ( + statContent []byte + statLines []string + statFields []string + stats IPVSStats + ) + + statContent, err := ioutil.ReadAll(file) + if err != nil { + return IPVSStats{}, err + } + + statLines = strings.SplitN(string(statContent), "\n", 4) + if len(statLines) != 4 { + return IPVSStats{}, errors.New("ip_vs_stats corrupt: too short") + } + + statFields = strings.Fields(statLines[2]) + if len(statFields) != 5 { + return IPVSStats{}, errors.New("ip_vs_stats corrupt: unexpected number of fields") + } + + stats.Connections, err = strconv.ParseUint(statFields[0], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.IncomingPackets, err = strconv.ParseUint(statFields[1], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.OutgoingPackets, err = strconv.ParseUint(statFields[2], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.IncomingBytes, err = strconv.ParseUint(statFields[3], 16, 64) + if err != nil { + return IPVSStats{}, err + } + stats.OutgoingBytes, err = strconv.ParseUint(statFields[4], 16, 64) + if err != nil { + return IPVSStats{}, err + } + + return stats, nil +} + +// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs. +func NewIPVSBackendStatus() ([]IPVSBackendStatus, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return []IPVSBackendStatus{}, err + } + + return fs.NewIPVSBackendStatus() +} + +// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem. +func (fs FS) NewIPVSBackendStatus() ([]IPVSBackendStatus, error) { + file, err := os.Open(fs.Path("net/ip_vs")) + if err != nil { + return nil, err + } + defer file.Close() + + return parseIPVSBackendStatus(file) +} + +func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) { + var ( + status []IPVSBackendStatus + scanner = bufio.NewScanner(file) + proto string + localAddress net.IP + localPort uint16 + err error + ) + + for scanner.Scan() { + fields := strings.Fields(string(scanner.Text())) + if len(fields) == 0 { + continue + } + switch { + case fields[0] == "IP" || fields[0] == "Prot" || fields[1] == "RemoteAddress:Port": + continue + case fields[0] == "TCP" || fields[0] == "UDP": + if len(fields) < 2 { + continue + } + proto = fields[0] + localAddress, localPort, err = parseIPPort(fields[1]) + if err != nil { + return nil, err + } + case fields[0] == "->": + if len(fields) < 6 { + continue + } + remoteAddress, remotePort, err := parseIPPort(fields[1]) + if err != nil { + return nil, err + } + weight, err := strconv.ParseUint(fields[3], 10, 64) + if err != nil { + return nil, err + } + activeConn, err := strconv.ParseUint(fields[4], 10, 64) + if err != nil { + return nil, err + } + inactConn, err := strconv.ParseUint(fields[5], 10, 64) + if err != nil { + return nil, err + } + status = append(status, IPVSBackendStatus{ + LocalAddress: localAddress, + LocalPort: localPort, + RemoteAddress: remoteAddress, + RemotePort: remotePort, + Proto: proto, + Weight: weight, + ActiveConn: activeConn, + InactConn: inactConn, + }) + } + } + return status, nil +} + +func parseIPPort(s string) (net.IP, uint16, error) { + tmp := strings.SplitN(s, ":", 2) + + if len(tmp) != 2 { + return nil, 0, fmt.Errorf("invalid IP:Port: %s", s) + } + + if len(tmp[0]) != 8 && len(tmp[0]) != 32 { + return nil, 0, fmt.Errorf("invalid IP: %s", tmp[0]) + } + + ip, err := hex.DecodeString(tmp[0]) + if err != nil { + return nil, 0, err + } + + port, err := strconv.ParseUint(tmp[1], 16, 16) + if err != nil { + return nil, 0, err + } + + return ip, uint16(port), nil +} diff --git a/vendor/github.com/prometheus/procfs/ipvs_test.go b/vendor/github.com/prometheus/procfs/ipvs_test.go new file mode 100644 index 000000000..c836c23ac --- /dev/null +++ b/vendor/github.com/prometheus/procfs/ipvs_test.go @@ -0,0 +1,190 @@ +package procfs + +import ( + "net" + "testing" +) + +var ( + expectedIPVSStats = IPVSStats{ + Connections: 23765872, + IncomingPackets: 3811989221, + OutgoingPackets: 0, + IncomingBytes: 89991519156915, + OutgoingBytes: 0, + } + expectedIPVSBackendStatuses = []IPVSBackendStatus{ + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.22"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.82.22"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 248, + InactConn: 2, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.22"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.83.24"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 248, + InactConn: 2, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.22"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.83.21"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 248, + InactConn: 1, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.57"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.84.22"), + RemotePort: 3306, + Proto: "TCP", + Weight: 0, + ActiveConn: 0, + InactConn: 0, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.57"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.82.21"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 1499, + InactConn: 0, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.57"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.50.21"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 1498, + InactConn: 0, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.55"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.50.26"), + RemotePort: 3306, + Proto: "TCP", + Weight: 0, + ActiveConn: 0, + InactConn: 0, + }, + IPVSBackendStatus{ + LocalAddress: net.ParseIP("192.168.0.55"), + LocalPort: 3306, + RemoteAddress: net.ParseIP("192.168.49.32"), + RemotePort: 3306, + Proto: "TCP", + Weight: 100, + ActiveConn: 0, + InactConn: 0, + }, + } +) + +func TestIPVSStats(t *testing.T) { + stats, err := FS("fixtures").NewIPVSStats() + if err != nil { + t.Fatal(err) + } + + if stats != expectedIPVSStats { + t.Errorf("want %+v, have %+v", expectedIPVSStats, stats) + } +} + +func TestParseIPPort(t *testing.T) { + ip := net.ParseIP("192.168.0.22") + port := uint16(3306) + + gotIP, gotPort, err := parseIPPort("C0A80016:0CEA") + if err != nil { + t.Fatal(err) + } + if !(gotIP.Equal(ip) && port == gotPort) { + t.Errorf("want %s:%d, have %s:%d", ip, port, gotIP, gotPort) + } +} + +func TestParseIPPortInvalid(t *testing.T) { + testcases := []string{ + "", + "C0A80016", + "C0A800:1234", + "FOOBARBA:1234", + "C0A80016:0CEA:1234", + } + + for _, s := range testcases { + ip, port, err := parseIPPort(s) + if ip != nil || port != uint16(0) || err == nil { + t.Errorf("Expected error for input %s, have ip = %s, port = %v, err = %v", s, ip, port, err) + } + } +} + +func TestParseIPPortIPv6(t *testing.T) { + ip := net.ParseIP("dead:beef::1") + port := uint16(8080) + + gotIP, gotPort, err := parseIPPort("DEADBEEF000000000000000000000001:1F90") + if err != nil { + t.Fatal(err) + } + if !(gotIP.Equal(ip) && port == gotPort) { + t.Errorf("want %s:%d, have %s:%d", ip, port, gotIP, gotPort) + } + +} + +func TestIPVSBackendStatus(t *testing.T) { + backendStats, err := FS("fixtures").NewIPVSBackendStatus() + if err != nil { + t.Fatal(err) + } + if want, have := len(expectedIPVSBackendStatuses), len(backendStats); want != have { + t.Fatalf("want %d backend statuses, have %d", want, have) + } + + for idx, expect := range expectedIPVSBackendStatuses { + if !backendStats[idx].LocalAddress.Equal(expect.LocalAddress) { + t.Errorf("want LocalAddress %s, have %s", expect.LocalAddress, backendStats[idx].LocalAddress) + } + if backendStats[idx].LocalPort != expect.LocalPort { + t.Errorf("want LocalPort %d, have %d", expect.LocalPort, backendStats[idx].LocalPort) + } + if !backendStats[idx].RemoteAddress.Equal(expect.RemoteAddress) { + t.Errorf("want RemoteAddress %s, have %s", expect.RemoteAddress, backendStats[idx].RemoteAddress) + } + if backendStats[idx].RemotePort != expect.RemotePort { + t.Errorf("want RemotePort %d, have %d", expect.RemotePort, backendStats[idx].RemotePort) + } + if backendStats[idx].Proto != expect.Proto { + t.Errorf("want Proto %s, have %s", expect.Proto, backendStats[idx].Proto) + } + if backendStats[idx].Weight != expect.Weight { + t.Errorf("want Weight %d, have %d", expect.Weight, backendStats[idx].Weight) + } + if backendStats[idx].ActiveConn != expect.ActiveConn { + t.Errorf("want ActiveConn %d, have %d", expect.ActiveConn, backendStats[idx].ActiveConn) + } + if backendStats[idx].InactConn != expect.InactConn { + t.Errorf("want InactConn %d, have %d", expect.InactConn, backendStats[idx].InactConn) + } + } +} diff --git a/vendor/github.com/prometheus/procfs/mdstat.go b/vendor/github.com/prometheus/procfs/mdstat.go new file mode 100644 index 000000000..d7a248c0d --- /dev/null +++ b/vendor/github.com/prometheus/procfs/mdstat.go @@ -0,0 +1,138 @@ +package procfs + +import ( + "fmt" + "io/ioutil" + "regexp" + "strconv" + "strings" +) + +var ( + statuslineRE = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[[U_]+\]`) + buildlineRE = regexp.MustCompile(`\((\d+)/\d+\)`) +) + +// MDStat holds info parsed from /proc/mdstat. +type MDStat struct { + // Name of the device. + Name string + // activity-state of the device. + ActivityState string + // Number of active disks. + DisksActive int64 + // Total number of disks the device consists of. + DisksTotal int64 + // Number of blocks the device holds. + BlocksTotal int64 + // Number of blocks on the device that are in sync. + BlocksSynced int64 +} + +// ParseMDStat parses an mdstat-file and returns a struct with the relevant infos. +func (fs FS) ParseMDStat() (mdstates []MDStat, err error) { + mdStatusFilePath := fs.Path("mdstat") + content, err := ioutil.ReadFile(mdStatusFilePath) + if err != nil { + return []MDStat{}, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err) + } + + mdStates := []MDStat{} + lines := strings.Split(string(content), "\n") + for i, l := range lines { + if l == "" { + continue + } + if l[0] == ' ' { + continue + } + if strings.HasPrefix(l, "Personalities") || strings.HasPrefix(l, "unused") { + continue + } + + mainLine := strings.Split(l, " ") + if len(mainLine) < 3 { + return mdStates, fmt.Errorf("error parsing mdline: %s", l) + } + mdName := mainLine[0] + activityState := mainLine[2] + + if len(lines) <= i+3 { + return mdStates, fmt.Errorf( + "error parsing %s: too few lines for md device %s", + mdStatusFilePath, + mdName, + ) + } + + active, total, size, err := evalStatusline(lines[i+1]) + if err != nil { + return mdStates, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err) + } + + // j is the line number of the syncing-line. + j := i + 2 + if strings.Contains(lines[i+2], "bitmap") { // skip bitmap line + j = i + 3 + } + + // If device is syncing at the moment, get the number of currently + // synced bytes, otherwise that number equals the size of the device. + syncedBlocks := size + if strings.Contains(lines[j], "recovery") || strings.Contains(lines[j], "resync") { + syncedBlocks, err = evalBuildline(lines[j]) + if err != nil { + return mdStates, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err) + } + } + + mdStates = append(mdStates, MDStat{ + Name: mdName, + ActivityState: activityState, + DisksActive: active, + DisksTotal: total, + BlocksTotal: size, + BlocksSynced: syncedBlocks, + }) + } + + return mdStates, nil +} + +func evalStatusline(statusline string) (active, total, size int64, err error) { + matches := statuslineRE.FindStringSubmatch(statusline) + if len(matches) != 4 { + return 0, 0, 0, fmt.Errorf("unexpected statusline: %s", statusline) + } + + size, err = strconv.ParseInt(matches[1], 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err) + } + + total, err = strconv.ParseInt(matches[2], 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err) + } + + active, err = strconv.ParseInt(matches[3], 10, 64) + if err != nil { + return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err) + } + + return active, total, size, nil +} + +func evalBuildline(buildline string) (syncedBlocks int64, err error) { + matches := buildlineRE.FindStringSubmatch(buildline) + if len(matches) != 2 { + return 0, fmt.Errorf("unexpected buildline: %s", buildline) + } + + syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64) + if err != nil { + return 0, fmt.Errorf("%s in buildline: %s", err, buildline) + } + + return syncedBlocks, nil +} diff --git a/vendor/github.com/prometheus/procfs/mdstat_test.go b/vendor/github.com/prometheus/procfs/mdstat_test.go new file mode 100644 index 000000000..ca5fe4d1b --- /dev/null +++ b/vendor/github.com/prometheus/procfs/mdstat_test.go @@ -0,0 +1,31 @@ +package procfs + +import ( + "testing" +) + +func TestMDStat(t *testing.T) { + mdStates, err := FS("fixtures").ParseMDStat() + if err != nil { + t.Fatalf("parsing of reference-file failed entirely: %s", err) + } + + refs := map[string]MDStat{ + "md3": MDStat{"md3", "active", 8, 8, 5853468288, 5853468288}, + "md127": MDStat{"md127", "active", 2, 2, 312319552, 312319552}, + "md0": MDStat{"md0", "active", 2, 2, 248896, 248896}, + "md4": MDStat{"md4", "inactive", 2, 2, 4883648, 4883648}, + "md6": MDStat{"md6", "active", 1, 2, 195310144, 16775552}, + "md8": MDStat{"md8", "active", 2, 2, 195310144, 16775552}, + "md7": MDStat{"md7", "active", 3, 4, 7813735424, 7813735424}, + } + + if want, have := len(refs), len(mdStates); want != have { + t.Errorf("want %d parsed md-devices, have %d", want, have) + } + for _, md := range mdStates { + if want, have := refs[md.Name], md; want != have { + t.Errorf("%s: want %v, have %v", md.Name, want, have) + } + } +} diff --git a/vendor/github.com/prometheus/procfs/proc.go b/vendor/github.com/prometheus/procfs/proc.go new file mode 100644 index 000000000..0d0a6a90f --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc.go @@ -0,0 +1,212 @@ +package procfs + +import ( + "fmt" + "io/ioutil" + "os" + "strconv" + "strings" +) + +// Proc provides information about a running process. +type Proc struct { + // The process ID. + PID int + + fs FS +} + +// Procs represents a list of Proc structs. +type Procs []Proc + +func (p Procs) Len() int { return len(p) } +func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] } +func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID } + +// Self returns a process for the current process read via /proc/self. +func Self() (Proc, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Proc{}, err + } + return fs.Self() +} + +// NewProc returns a process for the given pid under /proc. +func NewProc(pid int) (Proc, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Proc{}, err + } + return fs.NewProc(pid) +} + +// AllProcs returns a list of all currently available processes under /proc. +func AllProcs() (Procs, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Procs{}, err + } + return fs.AllProcs() +} + +// Self returns a process for the current process. +func (fs FS) Self() (Proc, error) { + p, err := os.Readlink(fs.Path("self")) + if err != nil { + return Proc{}, err + } + pid, err := strconv.Atoi(strings.Replace(p, string(fs), "", -1)) + if err != nil { + return Proc{}, err + } + return fs.NewProc(pid) +} + +// NewProc returns a process for the given pid. +func (fs FS) NewProc(pid int) (Proc, error) { + if _, err := os.Stat(fs.Path(strconv.Itoa(pid))); err != nil { + return Proc{}, err + } + return Proc{PID: pid, fs: fs}, nil +} + +// AllProcs returns a list of all currently available processes. +func (fs FS) AllProcs() (Procs, error) { + d, err := os.Open(fs.Path()) + if err != nil { + return Procs{}, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return Procs{}, fmt.Errorf("could not read %s: %s", d.Name(), err) + } + + p := Procs{} + for _, n := range names { + pid, err := strconv.ParseInt(n, 10, 64) + if err != nil { + continue + } + p = append(p, Proc{PID: int(pid), fs: fs}) + } + + return p, nil +} + +// CmdLine returns the command line of a process. +func (p Proc) CmdLine() ([]string, error) { + f, err := os.Open(p.path("cmdline")) + if err != nil { + return nil, err + } + defer f.Close() + + data, err := ioutil.ReadAll(f) + if err != nil { + return nil, err + } + + if len(data) < 1 { + return []string{}, nil + } + + return strings.Split(string(data[:len(data)-1]), string(byte(0))), nil +} + +// Comm returns the command name of a process. +func (p Proc) Comm() (string, error) { + f, err := os.Open(p.path("comm")) + if err != nil { + return "", err + } + defer f.Close() + + data, err := ioutil.ReadAll(f) + if err != nil { + return "", err + } + + return strings.TrimSpace(string(data)), nil +} + +// Executable returns the absolute path of the executable command of a process. +func (p Proc) Executable() (string, error) { + exe, err := os.Readlink(p.path("exe")) + if os.IsNotExist(err) { + return "", nil + } + + return exe, err +} + +// FileDescriptors returns the currently open file descriptors of a process. +func (p Proc) FileDescriptors() ([]uintptr, error) { + names, err := p.fileDescriptors() + if err != nil { + return nil, err + } + + fds := make([]uintptr, len(names)) + for i, n := range names { + fd, err := strconv.ParseInt(n, 10, 32) + if err != nil { + return nil, fmt.Errorf("could not parse fd %s: %s", n, err) + } + fds[i] = uintptr(fd) + } + + return fds, nil +} + +// FileDescriptorTargets returns the targets of all file descriptors of a process. +// If a file descriptor is not a symlink to a file (like a socket), that value will be the empty string. +func (p Proc) FileDescriptorTargets() ([]string, error) { + names, err := p.fileDescriptors() + if err != nil { + return nil, err + } + + targets := make([]string, len(names)) + + for i, name := range names { + target, err := os.Readlink(p.path("fd", name)) + if err == nil { + targets[i] = target + } + } + + return targets, nil +} + +// FileDescriptorsLen returns the number of currently open file descriptors of +// a process. +func (p Proc) FileDescriptorsLen() (int, error) { + fds, err := p.fileDescriptors() + if err != nil { + return 0, err + } + + return len(fds), nil +} + +func (p Proc) fileDescriptors() ([]string, error) { + d, err := os.Open(p.path("fd")) + if err != nil { + return nil, err + } + defer d.Close() + + names, err := d.Readdirnames(-1) + if err != nil { + return nil, fmt.Errorf("could not read %s: %s", d.Name(), err) + } + + return names, nil +} + +func (p Proc) path(pa ...string) string { + return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...) +} diff --git a/vendor/github.com/prometheus/procfs/proc_io.go b/vendor/github.com/prometheus/procfs/proc_io.go new file mode 100644 index 000000000..b4e31d7ba --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_io.go @@ -0,0 +1,55 @@ +package procfs + +import ( + "fmt" + "io/ioutil" + "os" +) + +// ProcIO models the content of /proc/<pid>/io. +type ProcIO struct { + // Chars read. + RChar uint64 + // Chars written. + WChar uint64 + // Read syscalls. + SyscR uint64 + // Write syscalls. + SyscW uint64 + // Bytes read. + ReadBytes uint64 + // Bytes written. + WriteBytes uint64 + // Bytes written, but taking into account truncation. See + // Documentation/filesystems/proc.txt in the kernel sources for + // detailed explanation. + CancelledWriteBytes int64 +} + +// NewIO creates a new ProcIO instance from a given Proc instance. +func (p Proc) NewIO() (ProcIO, error) { + pio := ProcIO{} + + f, err := os.Open(p.path("io")) + if err != nil { + return pio, err + } + defer f.Close() + + data, err := ioutil.ReadAll(f) + if err != nil { + return pio, err + } + + ioFormat := "rchar: %d\nwchar: %d\nsyscr: %d\nsyscw: %d\n" + + "read_bytes: %d\nwrite_bytes: %d\n" + + "cancelled_write_bytes: %d\n" + + _, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR, + &pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes) + if err != nil { + return pio, err + } + + return pio, nil +} diff --git a/vendor/github.com/prometheus/procfs/proc_io_test.go b/vendor/github.com/prometheus/procfs/proc_io_test.go new file mode 100644 index 000000000..3aa1a1293 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_io_test.go @@ -0,0 +1,33 @@ +package procfs + +import "testing" + +func TestProcIO(t *testing.T) { + p, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + + s, err := p.NewIO() + if err != nil { + t.Fatal(err) + } + + for _, test := range []struct { + name string + want int64 + have int64 + }{ + {name: "RChar", want: 750339, have: int64(s.RChar)}, + {name: "WChar", want: 818609, have: int64(s.WChar)}, + {name: "SyscR", want: 7405, have: int64(s.SyscR)}, + {name: "SyscW", want: 5245, have: int64(s.SyscW)}, + {name: "ReadBytes", want: 1024, have: int64(s.ReadBytes)}, + {name: "WriteBytes", want: 2048, have: int64(s.WriteBytes)}, + {name: "CancelledWriteBytes", want: -1024, have: s.CancelledWriteBytes}, + } { + if test.want != test.have { + t.Errorf("want %s %d, have %d", test.name, test.want, test.have) + } + } +} diff --git a/vendor/github.com/prometheus/procfs/proc_limits.go b/vendor/github.com/prometheus/procfs/proc_limits.go new file mode 100644 index 000000000..2df997ce1 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_limits.go @@ -0,0 +1,137 @@ +package procfs + +import ( + "bufio" + "fmt" + "os" + "regexp" + "strconv" +) + +// ProcLimits represents the soft limits for each of the process's resource +// limits. For more information see getrlimit(2): +// http://man7.org/linux/man-pages/man2/getrlimit.2.html. +type ProcLimits struct { + // CPU time limit in seconds. + CPUTime int + // Maximum size of files that the process may create. + FileSize int + // Maximum size of the process's data segment (initialized data, + // uninitialized data, and heap). + DataSize int + // Maximum size of the process stack in bytes. + StackSize int + // Maximum size of a core file. + CoreFileSize int + // Limit of the process's resident set in pages. + ResidentSet int + // Maximum number of processes that can be created for the real user ID of + // the calling process. + Processes int + // Value one greater than the maximum file descriptor number that can be + // opened by this process. + OpenFiles int + // Maximum number of bytes of memory that may be locked into RAM. + LockedMemory int + // Maximum size of the process's virtual memory address space in bytes. + AddressSpace int + // Limit on the combined number of flock(2) locks and fcntl(2) leases that + // this process may establish. + FileLocks int + // Limit of signals that may be queued for the real user ID of the calling + // process. + PendingSignals int + // Limit on the number of bytes that can be allocated for POSIX message + // queues for the real user ID of the calling process. + MsqqueueSize int + // Limit of the nice priority set using setpriority(2) or nice(2). + NicePriority int + // Limit of the real-time priority set using sched_setscheduler(2) or + // sched_setparam(2). + RealtimePriority int + // Limit (in microseconds) on the amount of CPU time that a process + // scheduled under a real-time scheduling policy may consume without making + // a blocking system call. + RealtimeTimeout int +} + +const ( + limitsFields = 3 + limitsUnlimited = "unlimited" +) + +var ( + limitsDelimiter = regexp.MustCompile(" +") +) + +// NewLimits returns the current soft limits of the process. +func (p Proc) NewLimits() (ProcLimits, error) { + f, err := os.Open(p.path("limits")) + if err != nil { + return ProcLimits{}, err + } + defer f.Close() + + var ( + l = ProcLimits{} + s = bufio.NewScanner(f) + ) + for s.Scan() { + fields := limitsDelimiter.Split(s.Text(), limitsFields) + if len(fields) != limitsFields { + return ProcLimits{}, fmt.Errorf( + "couldn't parse %s line %s", f.Name(), s.Text()) + } + + switch fields[0] { + case "Max cpu time": + l.CPUTime, err = parseInt(fields[1]) + case "Max file size": + l.FileSize, err = parseInt(fields[1]) + case "Max data size": + l.DataSize, err = parseInt(fields[1]) + case "Max stack size": + l.StackSize, err = parseInt(fields[1]) + case "Max core file size": + l.CoreFileSize, err = parseInt(fields[1]) + case "Max resident set": + l.ResidentSet, err = parseInt(fields[1]) + case "Max processes": + l.Processes, err = parseInt(fields[1]) + case "Max open files": + l.OpenFiles, err = parseInt(fields[1]) + case "Max locked memory": + l.LockedMemory, err = parseInt(fields[1]) + case "Max address space": + l.AddressSpace, err = parseInt(fields[1]) + case "Max file locks": + l.FileLocks, err = parseInt(fields[1]) + case "Max pending signals": + l.PendingSignals, err = parseInt(fields[1]) + case "Max msgqueue size": + l.MsqqueueSize, err = parseInt(fields[1]) + case "Max nice priority": + l.NicePriority, err = parseInt(fields[1]) + case "Max realtime priority": + l.RealtimePriority, err = parseInt(fields[1]) + case "Max realtime timeout": + l.RealtimeTimeout, err = parseInt(fields[1]) + } + if err != nil { + return ProcLimits{}, err + } + } + + return l, s.Err() +} + +func parseInt(s string) (int, error) { + if s == limitsUnlimited { + return -1, nil + } + i, err := strconv.ParseInt(s, 10, 32) + if err != nil { + return 0, fmt.Errorf("couldn't parse value %s: %s", s, err) + } + return int(i), nil +} diff --git a/vendor/github.com/prometheus/procfs/proc_limits_test.go b/vendor/github.com/prometheus/procfs/proc_limits_test.go new file mode 100644 index 000000000..70bf04ec2 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_limits_test.go @@ -0,0 +1,31 @@ +package procfs + +import "testing" + +func TestNewLimits(t *testing.T) { + p, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + + l, err := p.NewLimits() + if err != nil { + t.Fatal(err) + } + + for _, test := range []struct { + name string + want int + have int + }{ + {name: "cpu time", want: -1, have: l.CPUTime}, + {name: "open files", want: 2048, have: l.OpenFiles}, + {name: "msgqueue size", want: 819200, have: l.MsqqueueSize}, + {name: "nice priority", want: 0, have: l.NicePriority}, + {name: "address space", want: -1, have: l.AddressSpace}, + } { + if test.want != test.have { + t.Errorf("want %s %d, have %d", test.name, test.want, test.have) + } + } +} diff --git a/vendor/github.com/prometheus/procfs/proc_stat.go b/vendor/github.com/prometheus/procfs/proc_stat.go new file mode 100644 index 000000000..724e271b9 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_stat.go @@ -0,0 +1,175 @@ +package procfs + +import ( + "bytes" + "fmt" + "io/ioutil" + "os" +) + +// Originally, this USER_HZ value was dynamically retrieved via a sysconf call +// which required cgo. However, that caused a lot of problems regarding +// cross-compilation. Alternatives such as running a binary to determine the +// value, or trying to derive it in some other way were all problematic. After +// much research it was determined that USER_HZ is actually hardcoded to 100 on +// all Go-supported platforms as of the time of this writing. This is why we +// decided to hardcode it here as well. It is not impossible that there could +// be systems with exceptions, but they should be very exotic edge cases, and +// in that case, the worst outcome will be two misreported metrics. +// +// See also the following discussions: +// +// - https://github.com/prometheus/node_exporter/issues/52 +// - https://github.com/prometheus/procfs/pull/2 +// - http://stackoverflow.com/questions/17410841/how-does-user-hz-solve-the-jiffy-scaling-issue +const userHZ = 100 + +// ProcStat provides status information about the process, +// read from /proc/[pid]/stat. +type ProcStat struct { + // The process ID. + PID int + // The filename of the executable. + Comm string + // The process state. + State string + // The PID of the parent of this process. + PPID int + // The process group ID of the process. + PGRP int + // The session ID of the process. + Session int + // The controlling terminal of the process. + TTY int + // The ID of the foreground process group of the controlling terminal of + // the process. + TPGID int + // The kernel flags word of the process. + Flags uint + // The number of minor faults the process has made which have not required + // loading a memory page from disk. + MinFlt uint + // The number of minor faults that the process's waited-for children have + // made. + CMinFlt uint + // The number of major faults the process has made which have required + // loading a memory page from disk. + MajFlt uint + // The number of major faults that the process's waited-for children have + // made. + CMajFlt uint + // Amount of time that this process has been scheduled in user mode, + // measured in clock ticks. + UTime uint + // Amount of time that this process has been scheduled in kernel mode, + // measured in clock ticks. + STime uint + // Amount of time that this process's waited-for children have been + // scheduled in user mode, measured in clock ticks. + CUTime uint + // Amount of time that this process's waited-for children have been + // scheduled in kernel mode, measured in clock ticks. + CSTime uint + // For processes running a real-time scheduling policy, this is the negated + // scheduling priority, minus one. + Priority int + // The nice value, a value in the range 19 (low priority) to -20 (high + // priority). + Nice int + // Number of threads in this process. + NumThreads int + // The time the process started after system boot, the value is expressed + // in clock ticks. + Starttime uint64 + // Virtual memory size in bytes. + VSize int + // Resident set size in pages. + RSS int + + fs FS +} + +// NewStat returns the current status information of the process. +func (p Proc) NewStat() (ProcStat, error) { + f, err := os.Open(p.path("stat")) + if err != nil { + return ProcStat{}, err + } + defer f.Close() + + data, err := ioutil.ReadAll(f) + if err != nil { + return ProcStat{}, err + } + + var ( + ignore int + + s = ProcStat{PID: p.PID, fs: p.fs} + l = bytes.Index(data, []byte("(")) + r = bytes.LastIndex(data, []byte(")")) + ) + + if l < 0 || r < 0 { + return ProcStat{}, fmt.Errorf( + "unexpected format, couldn't extract comm: %s", + data, + ) + } + + s.Comm = string(data[l+1 : r]) + _, err = fmt.Fscan( + bytes.NewBuffer(data[r+2:]), + &s.State, + &s.PPID, + &s.PGRP, + &s.Session, + &s.TTY, + &s.TPGID, + &s.Flags, + &s.MinFlt, + &s.CMinFlt, + &s.MajFlt, + &s.CMajFlt, + &s.UTime, + &s.STime, + &s.CUTime, + &s.CSTime, + &s.Priority, + &s.Nice, + &s.NumThreads, + &ignore, + &s.Starttime, + &s.VSize, + &s.RSS, + ) + if err != nil { + return ProcStat{}, err + } + + return s, nil +} + +// VirtualMemory returns the virtual memory size in bytes. +func (s ProcStat) VirtualMemory() int { + return s.VSize +} + +// ResidentMemory returns the resident memory size in bytes. +func (s ProcStat) ResidentMemory() int { + return s.RSS * os.Getpagesize() +} + +// StartTime returns the unix timestamp of the process in seconds. +func (s ProcStat) StartTime() (float64, error) { + stat, err := s.fs.NewStat() + if err != nil { + return 0, err + } + return float64(stat.BootTime) + (float64(s.Starttime) / userHZ), nil +} + +// CPUTime returns the total CPU user and system time in seconds. +func (s ProcStat) CPUTime() float64 { + return float64(s.UTime+s.STime) / userHZ +} diff --git a/vendor/github.com/prometheus/procfs/proc_stat_test.go b/vendor/github.com/prometheus/procfs/proc_stat_test.go new file mode 100644 index 000000000..a2ebcde78 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_stat_test.go @@ -0,0 +1,110 @@ +package procfs + +import ( + "os" + "testing" +) + +func TestProcStat(t *testing.T) { + p, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + + s, err := p.NewStat() + if err != nil { + t.Fatal(err) + } + + for _, test := range []struct { + name string + want int + have int + }{ + {name: "pid", want: 26231, have: s.PID}, + {name: "user time", want: 1677, have: int(s.UTime)}, + {name: "system time", want: 44, have: int(s.STime)}, + {name: "start time", want: 82375, have: int(s.Starttime)}, + {name: "virtual memory size", want: 56274944, have: s.VSize}, + {name: "resident set size", want: 1981, have: s.RSS}, + } { + if test.want != test.have { + t.Errorf("want %s %d, have %d", test.name, test.want, test.have) + } + } +} + +func TestProcStatComm(t *testing.T) { + s1, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + if want, have := "vim", s1.Comm; want != have { + t.Errorf("want comm %s, have %s", want, have) + } + + s2, err := testProcStat(584) + if err != nil { + t.Fatal(err) + } + if want, have := "(a b ) ( c d) ", s2.Comm; want != have { + t.Errorf("want comm %s, have %s", want, have) + } +} + +func TestProcStatVirtualMemory(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 56274944, s.VirtualMemory(); want != have { + t.Errorf("want virtual memory %d, have %d", want, have) + } +} + +func TestProcStatResidentMemory(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 1981*os.Getpagesize(), s.ResidentMemory(); want != have { + t.Errorf("want resident memory %d, have %d", want, have) + } +} + +func TestProcStatStartTime(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + time, err := s.StartTime() + if err != nil { + t.Fatal(err) + } + if want, have := 1418184099.75, time; want != have { + t.Errorf("want start time %f, have %f", want, have) + } +} + +func TestProcStatCPUTime(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 17.21, s.CPUTime(); want != have { + t.Errorf("want cpu time %f, have %f", want, have) + } +} + +func testProcStat(pid int) (ProcStat, error) { + p, err := FS("fixtures").NewProc(pid) + if err != nil { + return ProcStat{}, err + } + + return p.NewStat() +} diff --git a/vendor/github.com/prometheus/procfs/proc_test.go b/vendor/github.com/prometheus/procfs/proc_test.go new file mode 100644 index 000000000..104b3245d --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_test.go @@ -0,0 +1,160 @@ +package procfs + +import ( + "reflect" + "sort" + "testing" +) + +func TestSelf(t *testing.T) { + fs := FS("fixtures") + + p1, err := fs.NewProc(26231) + if err != nil { + t.Fatal(err) + } + p2, err := fs.Self() + if err != nil { + t.Fatal(err) + } + + if !reflect.DeepEqual(p1, p2) { + t.Errorf("want process %v, have %v", p1, p2) + } +} + +func TestAllProcs(t *testing.T) { + procs, err := FS("fixtures").AllProcs() + if err != nil { + t.Fatal(err) + } + sort.Sort(procs) + for i, p := range []*Proc{{PID: 584}, {PID: 26231}} { + if want, have := p.PID, procs[i].PID; want != have { + t.Errorf("want processes %d, have %d", want, have) + } + } +} + +func TestCmdLine(t *testing.T) { + for _, tt := range []struct { + process int + want []string + }{ + {process: 26231, want: []string{"vim", "test.go", "+10"}}, + {process: 26232, want: []string{}}, + } { + p1, err := FS("fixtures").NewProc(tt.process) + if err != nil { + t.Fatal(err) + } + c1, err := p1.CmdLine() + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(tt.want, c1) { + t.Errorf("want cmdline %v, have %v", tt.want, c1) + } + } +} + +func TestComm(t *testing.T) { + for _, tt := range []struct { + process int + want string + }{ + {process: 26231, want: "vim"}, + {process: 26232, want: "ata_sff"}, + } { + p1, err := FS("fixtures").NewProc(tt.process) + if err != nil { + t.Fatal(err) + } + c1, err := p1.Comm() + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(tt.want, c1) { + t.Errorf("want comm %v, have %v", tt.want, c1) + } + } +} + +func TestExecutable(t *testing.T) { + for _, tt := range []struct { + process int + want string + }{ + {process: 26231, want: "/usr/bin/vim"}, + {process: 26232, want: ""}, + } { + p, err := FS("fixtures").NewProc(tt.process) + if err != nil { + t.Fatal(err) + } + exe, err := p.Executable() + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(tt.want, exe) { + t.Errorf("want absolute path to cmdline %v, have %v", tt.want, exe) + } + } +} + +func TestFileDescriptors(t *testing.T) { + p1, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + fds, err := p1.FileDescriptors() + if err != nil { + t.Fatal(err) + } + sort.Sort(byUintptr(fds)) + if want := []uintptr{0, 1, 2, 3, 10}; !reflect.DeepEqual(want, fds) { + t.Errorf("want fds %v, have %v", want, fds) + } +} + +func TestFileDescriptorTargets(t *testing.T) { + p1, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + fds, err := p1.FileDescriptorTargets() + if err != nil { + t.Fatal(err) + } + sort.Strings(fds) + var want = []string{ + "../../symlinktargets/abc", + "../../symlinktargets/def", + "../../symlinktargets/ghi", + "../../symlinktargets/uvw", + "../../symlinktargets/xyz", + } + if !reflect.DeepEqual(want, fds) { + t.Errorf("want fds %v, have %v", want, fds) + } +} + +func TestFileDescriptorsLen(t *testing.T) { + p1, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + l, err := p1.FileDescriptorsLen() + if err != nil { + t.Fatal(err) + } + if want, have := 5, l; want != have { + t.Errorf("want fds %d, have %d", want, have) + } +} + +type byUintptr []uintptr + +func (a byUintptr) Len() int { return len(a) } +func (a byUintptr) Swap(i, j int) { a[i], a[j] = a[j], a[i] } +func (a byUintptr) Less(i, j int) bool { return a[i] < a[j] } diff --git a/vendor/github.com/prometheus/procfs/stat.go b/vendor/github.com/prometheus/procfs/stat.go new file mode 100644 index 000000000..1ca217e8c --- /dev/null +++ b/vendor/github.com/prometheus/procfs/stat.go @@ -0,0 +1,56 @@ +package procfs + +import ( + "bufio" + "fmt" + "os" + "strconv" + "strings" +) + +// Stat represents kernel/system statistics. +type Stat struct { + // Boot time in seconds since the Epoch. + BootTime int64 +} + +// NewStat returns kernel/system statistics read from /proc/stat. +func NewStat() (Stat, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return Stat{}, err + } + + return fs.NewStat() +} + +// NewStat returns an information about current kernel/system statistics. +func (fs FS) NewStat() (Stat, error) { + f, err := os.Open(fs.Path("stat")) + if err != nil { + return Stat{}, err + } + defer f.Close() + + s := bufio.NewScanner(f) + for s.Scan() { + line := s.Text() + if !strings.HasPrefix(line, "btime") { + continue + } + fields := strings.Fields(line) + if len(fields) != 2 { + return Stat{}, fmt.Errorf("couldn't parse %s line %s", f.Name(), line) + } + i, err := strconv.ParseInt(fields[1], 10, 32) + if err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s: %s", fields[1], err) + } + return Stat{BootTime: i}, nil + } + if err := s.Err(); err != nil { + return Stat{}, fmt.Errorf("couldn't parse %s: %s", f.Name(), err) + } + + return Stat{}, fmt.Errorf("couldn't parse %s, missing btime", f.Name()) +} diff --git a/vendor/github.com/prometheus/procfs/stat_test.go b/vendor/github.com/prometheus/procfs/stat_test.go new file mode 100644 index 000000000..6eb792478 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/stat_test.go @@ -0,0 +1,14 @@ +package procfs + +import "testing" + +func TestStat(t *testing.T) { + s, err := FS("fixtures").NewStat() + if err != nil { + t.Fatal(err) + } + + if want, have := int64(1418183276), s.BootTime; want != have { + t.Errorf("want boot time %d, have %d", want, have) + } +} |