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Merge pull request #1544 from euank/kmsg-parser

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oomparser: update to use kmsg based parser
This commit is contained in:
Vish Kannan 2017-08-30 15:44:04 -07:00 committed by GitHub
commit 03d7288c83
11 changed files with 870 additions and 574 deletions
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5
Godeps/Godeps.json generated
View File

@ -303,6 +303,11 @@
"Comment": "v1.0.2",
"Rev": "ded5959c0d4e360646dc9e9908cff48666781367"
},
{
"ImportPath": "github.com/euank/go-kmsg-parser/kmsgparser",
"Comment": "v2.0.0",
"Rev": "5ba4d492e455a77d25dcf0d2c4acc9f2afebef4e"
},
{
"ImportPath": "github.com/garyburd/redigo/internal",
"Rev": "535138d7bcd717d6531c701ef5933d98b1866257"

44
utils/oomparser/containerOomExampleLog.txt
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@ -1,44 +0,0 @@
Jan 5 15:19:01 CRON[14500]: (root) CMD (touch /var/run/crond.sittercheck)
Jan 5 15:19:04 cookie_monster[1249]: uid 0, pid 14504, "/var/lib/certs/machine_cert.crt" accessed by exe "/usr/bin/nsscacheclient", cwd "/root", comm "/usr/bin/nsscacheclient"
Jan 5 15:19:04 cookie_monster[1249]: uid 0, pid 14504, "/var/lib/certs/machine_cert.key" accessed by exe "/usr/bin/nsscacheclient", cwd "/root", comm "/usr/bin/nsscacheclient"
Jan 5 15:19:05 nsscacheclient[14504]: SUCCESS: Completed run (v29/c20 rtime:0.334299 utime:0.136923 stime:0.011736 maxrss:5260k dials:1 sent:1793 rcvd:5143).
Jan 5 15:19:27 kernel: [ 5864.708440] memorymonster invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=0
Jan 5 15:19:27 kernel: [ 5864.708443] memorymonster cpuset=/ mems_allowed=0
Jan 5 15:19:27 kernel: [ 5864.708446] CPU: 5 PID: 13536 Comm: memorymonster Tainted: P OX 3.13.0-43-generic #72-Ubuntu
Jan 5 15:19:27 kernel: [ 5864.708447] Hardware name: Hewlett-Packard HP Z420 Workstation/1589, BIOS J61 v03.65 12/19/2013
Jan 5 15:19:27 kernel: [ 5864.708448] ffff88072ae10800 ffff8807a4835c48 ffffffff81720bf6 ffff8807a8e86000
Jan 5 15:19:27 kernel: [ 5864.708451] ffff8807a4835cd0 ffffffff8171b4b1 0000000000000246 ffff88072ae10800
Jan 5 15:19:27 kernel: [ 5864.708453] ffff8807a4835c90 ffff8807a4835ca0 ffffffff811522a7 0000000000000001
Jan 5 15:19:27 kernel: [ 5864.708455] Call Trace:
Jan 5 15:19:27 kernel: [ 5864.708460] [<ffffffff81720bf6>] dump_stack+0x45/0x56
Jan 5 15:19:27 kernel: [ 5864.708463] [<ffffffff8171b4b1>] dump_header+0x7f/0x1f1
Jan 5 15:19:27 kernel: [ 5864.708465] [<ffffffff811522a7>] ? find_lock_task_mm+0x27/0x70
Jan 5 15:19:27 kernel: [ 5864.708467] [<ffffffff811526de>] oom_kill_process+0x1ce/0x330
Jan 5 15:19:27 kernel: [ 5864.708470] [<ffffffff812d6ce5>] ? security_capable_noaudit+0x15/0x20
Jan 5 15:19:27 kernel: [ 5864.708474] [<ffffffff811b491c>] mem_cgroup_oom_synchronize+0x51c/0x560
Jan 5 15:19:27 kernel: [ 5864.708476] [<ffffffff811b3e50>] ? mem_cgroup_charge_common+0xa0/0xa0
Jan 5 15:19:27 kernel: [ 5864.708478] [<ffffffff81152e64>] pagefault_out_of_memory+0x14/0x80
Jan 5 15:19:27 kernel: [ 5864.708480] [<ffffffff81719aa1>] mm_fault_error+0x8e/0x180
Jan 5 15:19:27 kernel: [ 5864.708482] [<ffffffff8172cf31>] __do_page_fault+0x4a1/0x560
Jan 5 15:19:27 kernel: [ 5864.708485] [<ffffffff810a0255>] ? set_next_entity+0x95/0xb0
Jan 5 15:19:27 kernel: [ 5864.708489] [<ffffffff81012609>] ? __switch_to+0x169/0x4c0
Jan 5 15:19:27 kernel: [ 5864.708490] [<ffffffff8172d00a>] do_page_fault+0x1a/0x70
Jan 5 15:19:27 kernel: [ 5864.708492] [<ffffffff81729468>] page_fault+0x28/0x30
Jan 5 15:19:27 kernel: [ 5864.708493] Task in /mem2 killed as a result of limit of /mem2
Jan 5 15:19:27 kernel: [ 5864.708495] memory: usage 980kB, limit 980kB, failcnt 4152239
Jan 5 15:19:27 kernel: [ 5864.708495] memory+swap: usage 0kB, limit 18014398509481983kB, failcnt 0
Jan 5 15:19:27 kernel: [ 5864.708496] kmem: usage 0kB, limit 18014398509481983kB, failcnt 0
Jan 5 15:19:27 kernel: [ 5864.708497] Memory cgroup stats for /mem2: cache:0KB rss:980KB rss_huge:0KB mapped_file:0KB writeback:20KB inactive_anon:560KB active_anon:420KB inactive_file:0KB active_file:0KB unevictable:0KB
Jan 5 15:19:27 kernel: [ 5864.708505] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
Jan 5 15:19:27 kernel: [ 5864.708600] [13536] 275858 13536 8389663 343 16267 8324326 0 memorymonster
Jan 5 15:19:27 kernel: [ 5864.708607] Memory cgroup out of memory: Kill process 13536 (memorymonster) score 996 or sacrifice child
Jan 5 15:19:27 kernel: [ 5864.708608] Killed process 13536 (memorymonster) total-vm:33558652kB, anon-rss:920kB, file-rss:452kB
Jan 5 15:20:01 CRON[14608]: (root) CMD (touch /var/run/crond.sittercheck)
Jan 5 15:20:01 CRON[14609]: (root) CMD (/usr/bin/alarm 6000 /usr/share/update-notifier/reevaluate.py)
Jan 5 15:20:01 CRON[14610]: (root) CMD (/usr/bin/corp_cronwrap -j 80 -t 600 -A -K -L -l 'nsscache-client' /usr/bin/nsscacheclient all)
Jan 5 15:20:01 /usr/bin/lock: called by /bin/bash for . uid 0, euid 0.
Jan 5 15:21:01 CRON[14639]: (root) CMD (touch /var/run/crond.sittercheck)
Jan 5 15:21:05 cookie_monster[1249]: uid 0, pid 14643, "/var/lib/certs/machine_cert.crt" accessed by exe "/usr/bin/nsscacheclient", cwd "/root", comm "/usr/bin/nsscacheclient"
Jan 5 15:21:05 cookie_monster[1249]: uid 0, pid 14643, "/var/lib/certs/machine_cert.key" accessed by exe "/usr/bin/nsscacheclient", cwd "/root", comm "/usr/bin/nsscacheclient"
Jan 5 15:21:05 nsscacheclient[14643]: auto.auto(no change) time:0.042264697000000004 retries:0
Jan 5 15:21:05 nsscacheclient[14643]: auto.home(63c07d09->8686499b write:3631382) time:0.318774602 retries:0

168
utils/oomparser/oomparser.go
View File

@ -15,31 +15,26 @@
package oomparser
import (
"bufio"
"fmt"
"io"
"os/exec"
"path"
"regexp"
"strconv"
"syscall"
"time"
"github.com/google/cadvisor/utils"
"github.com/google/cadvisor/utils/tail"
"github.com/euank/go-kmsg-parser/kmsgparser"
"github.com/golang/glog"
)
var (
containerRegexp = regexp.MustCompile(`Task in (.*) killed as a result of limit of (.*)`)
lastLineRegexp = regexp.MustCompile(`(^[A-Z][a-z]{2} .*[0-9]{1,2} [0-9]{1,2}:[0-9]{2}:[0-9]{2}) .* Killed process ([0-9]+) \((.+)\)`)
lastLineRegexp = regexp.MustCompile(`Killed process ([0-9]+) \((.+)\)`)
firstLineRegexp = regexp.MustCompile(`invoked oom-killer:`)
)
// struct to hold file from which we obtain OomInstances
// OomParser wraps a kmsgparser in order to extract OOM events from the
// individual kernel ring buffer messages.
type OomParser struct {
ioreader *bufio.Reader
parser kmsgparser.Parser
}
// struct that contains information related to an OOM kill instance
@ -76,20 +71,13 @@ func getProcessNamePid(line string, currentOomInstance *OomInstance) (bool, erro
if reList == nil {
return false, nil
}
const longForm = "Jan _2 15:04:05 2006"
stringYear := strconv.Itoa(time.Now().Year())
linetime, err := time.ParseInLocation(longForm, reList[1]+" "+stringYear, time.Local)
if err != nil {
return false, err
}
currentOomInstance.TimeOfDeath = linetime
pid, err := strconv.Atoi(reList[2])
pid, err := strconv.Atoi(reList[1])
if err != nil {
return false, err
}
currentOomInstance.Pid = pid
currentOomInstance.ProcessName = reList[3]
currentOomInstance.ProcessName = reList[2]
return true, nil
}
@ -102,135 +90,61 @@ func checkIfStartOfOomMessages(line string) bool {
return false
}
// reads the file and sends only complete lines over a channel to analyzeLines.
// Should prevent EOF errors that occur when lines are read before being fully
// written to the log. It reads line by line splitting on
// the "\n" character.
func readLinesFromFile(lineChannel chan string, ioreader *bufio.Reader) error {
linefragment := ""
var line string
var err error
for true {
line, err = ioreader.ReadString('\n')
if err != nil && err != io.EOF {
glog.Errorf("exiting analyzeLinesHelper with error %v", err)
close(lineChannel)
break
}
if line == "" {
time.Sleep(100 * time.Millisecond)
continue
}
if err == nil {
lineChannel <- linefragment + line
linefragment = ""
} else { // err == io.EOF
linefragment += line
}
}
return err
}
// StreamOoms writes to a provided a stream of OomInstance objects representing
// OOM events that are found in the logs.
// It will block and should be called from a goroutine.
func (self *OomParser) StreamOoms(outStream chan<- *OomInstance) {
kmsgEntries := self.parser.Parse()
defer self.parser.Close()
// Calls goroutine for readLinesFromFile, which feeds it complete lines.
// Lines are checked against a regexp to check for the pid, process name, etc.
// At the end of an oom message group, StreamOoms adds the new oomInstance to
// oomLog
func (self *OomParser) StreamOoms(outStream chan *OomInstance) {
lineChannel := make(chan string, 10)
go func() {
readLinesFromFile(lineChannel, self.ioreader)
}()
for line := range lineChannel {
in_oom_kernel_log := checkIfStartOfOomMessages(line)
for msg := range kmsgEntries {
in_oom_kernel_log := checkIfStartOfOomMessages(msg.Message)
if in_oom_kernel_log {
oomCurrentInstance := &OomInstance{
ContainerName: "/",
TimeOfDeath: msg.Timestamp,
}
for line := range lineChannel {
err := getContainerName(line, oomCurrentInstance)
for msg := range kmsgEntries {
err := getContainerName(msg.Message, oomCurrentInstance)
if err != nil {
glog.Errorf("%v", err)
}
finished, err := getProcessNamePid(line, oomCurrentInstance)
finished, err := getProcessNamePid(msg.Message, oomCurrentInstance)
if err != nil {
glog.Errorf("%v", err)
}
if finished {
oomCurrentInstance.TimeOfDeath = msg.Timestamp
break
}
}
outStream <- oomCurrentInstance
}
}
glog.Infof("exiting analyzeLines. OOM events will not be reported.")
}
func callJournalctl() (io.ReadCloser, error) {
cmd := exec.Command("journalctl", "-k", "-f")
cmd.SysProcAttr = &syscall.SysProcAttr{
Pdeathsig: syscall.SIGKILL,
}
readcloser, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
if err := cmd.Start(); err != nil {
return nil, err
}
return readcloser, err
}
func trySystemd() (*OomParser, error) {
readcloser, err := callJournalctl()
if err != nil {
return nil, err
}
glog.Infof("oomparser using systemd")
return &OomParser{
ioreader: bufio.NewReader(readcloser),
}, nil
}
// List of possible kernel log files. These are prioritized in order so that
// we will use the first one that is available.
var kernelLogFiles = []string{"/var/log/kern.log", "/var/log/messages", "/var/log/syslog"}
// looks for system files that contain kernel messages and if one is found, sets
// the systemFile attribute of the OomParser object
func getLogFile() (string, error) {
for _, logFile := range kernelLogFiles {
if utils.FileExists(logFile) {
glog.Infof("OOM parser using kernel log file: %q", logFile)
return logFile, nil
}
}
return "", fmt.Errorf("unable to find any kernel log file available from our set: %v", kernelLogFiles)
}
func tryLogFile() (*OomParser, error) {
logFile, err := getLogFile()
if err != nil {
return nil, err
}
tail, err := tail.NewTail(logFile)
if err != nil {
return nil, err
}
return &OomParser{
ioreader: bufio.NewReader(tail),
}, nil
// Should not happen
glog.Errorf("exiting analyzeLines. OOM events will not be reported.")
}
// initializes an OomParser object. Returns an OomParser object and an error.
func New() (*OomParser, error) {
parser, err := trySystemd()
if err == nil {
return parser, nil
}
parser, err = tryLogFile()
if err == nil {
return parser, nil
}
parser, err := kmsgparser.NewParser()
if err != nil {
return nil, err
}
parser.SetLogger(glogAdapter{})
return &OomParser{parser: parser}, nil
}
type glogAdapter struct{}
var _ kmsgparser.Logger = glogAdapter{}
func (glogAdapter) Infof(format string, args ...interface{}) {
glog.V(4).Infof(format, args)
}
func (glogAdapter) Warningf(format string, args ...interface{}) {
glog.Infof(format, args)
}
func (glogAdapter) Errorf(format string, args ...interface{}) {
glog.Warningf(format, args)
}

369
utils/oomparser/oomparser_test.go
View File

@ -15,19 +15,17 @@
package oomparser
import (
"bufio"
"fmt"
"os"
"strconv"
"testing"
"time"
"github.com/euank/go-kmsg-parser/kmsgparser"
"github.com/stretchr/testify/assert"
)
const startLine = "Jan 21 22:01:49 localhost kernel: [62278.816267] ruby invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0"
const endLine = "Jan 21 22:01:49 localhost kernel: [62279.421192] Killed process 19667 (evil-program2) total-vm:1460016kB, anon-rss:1414008kB, file-rss:4kB"
const containerLine = "Jan 26 14:10:07 kateknister0.mtv.corp.google.com kernel: [1814368.465205] Task in /mem2 killed as a result of limit of /mem3"
const startLine = "ruby invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0"
const endLine = "Killed process 19667 (evil-program2) total-vm:1460016kB, anon-rss:1414008kB, file-rss:4kB"
const containerLine = "Task in /mem2 killed as a result of limit of /mem3"
const containerLogFile = "containerOomExampleLog.txt"
const systemLogFile = "systemOomExampleLog.txt"
@ -94,9 +92,6 @@ func TestGetProcessNamePid(t *testing.T) {
t.Errorf("bad line fed to getProcessNamePid should return false but returned %v", couldParseLine)
}
const longForm = "Jan _2 15:04:05 2006"
stringYear := strconv.Itoa(time.Now().Year())
correctTime, err := time.ParseInLocation(longForm, fmt.Sprintf("Jan 21 22:01:49 %s", stringYear), time.Local)
couldParseLine, err = getProcessNamePid(endLine, currentOomInstance)
if err != nil {
t.Errorf("good line fed to getProcessNamePid should yield no error, but had error %v", err)
@ -110,9 +105,6 @@ func TestGetProcessNamePid(t *testing.T) {
if currentOomInstance.Pid != 19667 {
t.Errorf("getProcessNamePid should have set PID to 19667, not %d", currentOomInstance.Pid)
}
if !correctTime.Equal(currentOomInstance.TimeOfDeath) {
t.Errorf("getProcessNamePid should have set date to %v, not %v", correctTime, currentOomInstance.TimeOfDeath)
}
}
func TestCheckIfStartOfMessages(t *testing.T) {
@ -137,42 +129,345 @@ func TestLastLineRegex(t *testing.T) {
}
}
func TestStreamOomsContainer(t *testing.T) {
expectedContainerOomInstance := createExpectedContainerOomInstance(t)
helpTestStreamOoms(expectedContainerOomInstance, containerLogFile, t)
func TestStreamOOMs(t *testing.T) {
mockMsgs := make(chan kmsgparser.Message)
p := &OomParser{
parser: &mockKmsgParser{
messages: mockMsgs,
},
}
func TestStreamOomsSystem(t *testing.T) {
expectedSystemOomInstance := createExpectedSystemOomInstance(t)
helpTestStreamOoms(expectedSystemOomInstance, systemLogFile, t)
}
oomsOut := make(chan *OomInstance)
func helpTestStreamOoms(oomCheckInstance *OomInstance, sysFile string, t *testing.T) {
outStream := make(chan *OomInstance)
oomLog := mockOomParser(sysFile, t)
timeout := make(chan bool, 1)
go func() {
time.Sleep(1 * time.Second)
timeout <- true
p.StreamOoms(oomsOut)
}()
go oomLog.StreamOoms(outStream)
writeAll := func(m []string, t time.Time) {
for _, msg := range m {
mockMsgs <- kmsgparser.Message{
Message: msg,
Timestamp: t,
}
}
}
type in struct {
msgs []string
time time.Time
}
testTime := time.Unix(0xf331f4ee, 0)
testTime2 := time.Unix(0xfa51f001, 0)
testPairs := []struct {
in []in
out []*OomInstance
}{
{
in: []in{{
time: testTime,
msgs: []string{
"memorymonster invoked oom-killer: gfp_mask=0xd0, order=0, oom_score_adj=0",
"memorymonster cpuset=/ mems_allowed=0",
"CPU: 5 PID: 13536 Comm: memorymonster Tainted: P OX 3.13.0-43-generic #72-Ubuntu",
"Hardware name: Hewlett-Packard HP Z420 Workstation/1589, BIOS J61 v03.65 12/19/2013",
" ffff88072ae10800 ffff8807a4835c48 ffffffff81720bf6 ffff8807a8e86000",
" ffff8807a4835cd0 ffffffff8171b4b1 0000000000000246 ffff88072ae10800",
" ffff8807a4835c90 ffff8807a4835ca0 ffffffff811522a7 0000000000000001",
"Call Trace:",
" [<ffffffff81720bf6>] dump_stack+0x45/0x56",
" [<ffffffff8171b4b1>] dump_header+0x7f/0x1f1",
" [<ffffffff811522a7>] ? find_lock_task_mm+0x27/0x70",
" [<ffffffff811526de>] oom_kill_process+0x1ce/0x330",
" [<ffffffff812d6ce5>] ? security_capable_noaudit+0x15/0x20",
" [<ffffffff811b491c>] mem_cgroup_oom_synchronize+0x51c/0x560",
" [<ffffffff811b3e50>] ? mem_cgroup_charge_common+0xa0/0xa0",
" [<ffffffff81152e64>] pagefault_out_of_memory+0x14/0x80",
" [<ffffffff81719aa1>] mm_fault_error+0x8e/0x180",
" [<ffffffff8172cf31>] __do_page_fault+0x4a1/0x560",
" [<ffffffff810a0255>] ? set_next_entity+0x95/0xb0",
" [<ffffffff81012609>] ? __switch_to+0x169/0x4c0",
" [<ffffffff8172d00a>] do_page_fault+0x1a/0x70",
" [<ffffffff81729468>] page_fault+0x28/0x30",
"Task in /mem2 killed as a result of limit of /mem2",
"memory: usage 980kB, limit 980kB, failcnt 4152239",
"memory+swap: usage 0kB, limit 18014398509481983kB, failcnt 0",
"kmem: usage 0kB, limit 18014398509481983kB, failcnt 0",
"Memory cgroup stats for /mem2: cache:0KB rss:980KB rss_huge:0KB mapped_file:0KB writeback:20KB inactive_anon:560KB active_anon:420KB inactive_file:0KB active_file:0KB unevictable:0KB",
"[ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name",
"[13536] 275858 13536 8389663 343 16267 8324326 0 memorymonster",
"Memory cgroup out of memory: Kill process 13536 (memorymonster) score 996 or sacrifice child",
"Killed process 13536 (memorymonster) total-vm:33558652kB, anon-rss:920kB, file-rss:452kB",
},
}},
out: []*OomInstance{{
TimeOfDeath: testTime,
ContainerName: "/mem2",
ProcessName: "memorymonster",
Pid: 13536,
VictimContainerName: "/mem2",
}},
},
{
in: []in{{
time: testTime,
msgs: []string{
"badsysprogram invoked oom-killer: gfp_mask=0x280da, order=0, oom_score_adj=0",
"badsysprogram cpuset=/ mems_allowed=0",
"CPU: 0 PID: 1532 Comm: badsysprogram Not tainted 3.13.0-27-generic #50-Ubuntu",
"Hardware name: Google Google, BIOS Google 01/01/2011",
" 0000000000000000 ffff880069715a90 ffffffff817199c4 ffff8800680d8000",
" ffff880069715b18 ffffffff817142ff 0000000000000000 0000000000000000",
" 0000000000000000 0000000000000000 0000000000000000 0000000000000000",
"Call Trace:",
" [<ffffffff817199c4>] dump_stack+0x45/0x56",
" [<ffffffff817142ff>] dump_header+0x7f/0x1f1",
" [<ffffffff8115196e>] oom_kill_process+0x1ce/0x330",
" [<ffffffff812d3395>] ? security_capable_noaudit+0x15/0x20",
" [<ffffffff811520a4>] out_of_memory+0x414/0x450",
" [<ffffffff81158377>] __alloc_pages_nodemask+0xa87/0xb20",
" [<ffffffff811985da>] alloc_pages_vma+0x9a/0x140",
" [<ffffffff8117909b>] handle_mm_fault+0xb2b/0xf10",
" [<ffffffff81725924>] __do_page_fault+0x184/0x560",
" [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10",
" [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80",
" [<ffffffff811112ec>] ? acct_account_cputime+0x1c/0x20",
" [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0",
" [<ffffffff8109dd84>] ? vtime_account_user+0x54/0x60",
" [<ffffffff81725d1a>] do_page_fault+0x1a/0x70",
" [<ffffffff81722188>] page_fault+0x28/0x30",
"Mem-Info:",
"Node 0 DMA per-cpu:",
"CPU 0: hi: 0, btch: 1 usd: 0",
"Node 0 DMA32 per-cpu:",
"CPU 0: hi: 186, btch: 31 usd: 86",
"active_anon:405991 inactive_anon:57 isolated_anon:0",
" active_file:35 inactive_file:69 isolated_file:0",
" unevictable:0 dirty:0 writeback:0 unstable:0",
" free:12929 slab_reclaimable:1635 slab_unreclaimable:1919",
" mapped:34 shmem:70 pagetables:1423 bounce:0",
" free_cma:0",
"Node 0 DMA free:7124kB min:412kB low:512kB high:616kB active_anon:8508kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:4kB slab_reclaimable:16kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:12kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes",
"lowmem_reserve[]: 0 1679 1679 1679",
"Node 0 DMA32 free:44592kB min:44640kB low:55800kB high:66960kB active_anon:1615456kB inactive_anon:224kB active_file:140kB inactive_file:276kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1765368kB managed:1722912kB mlocked:0kB dirty:0kB writeback:0kB mapped:136kB shmem:276kB slab_reclaimable:6524kB slab_unreclaimable:7660kB kernel_stack:592kB pagetables:5680kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:819 all_unreclaimable? yes",
"lowmem_reserve[]: 0 0 0 0",
"Node 0 DMA: 5*4kB (UM) 6*8kB (UEM) 7*16kB (UEM) 1*32kB (M) 2*64kB (UE) 3*128kB (UEM) 1*256kB (E) 2*512kB (EM) 3*1024kB (UEM) 1*2048kB (R) 0*4096kB = 7124kB",
"Node 0 DMA32: 74*4kB (UEM) 125*8kB (UEM) 78*16kB (UEM) 26*32kB (UE) 12*64kB (UEM) 4*128kB (UE) 4*256kB (UE) 2*512kB (E) 11*1024kB (UE) 7*2048kB (UE) 3*4096kB (UR) = 44592kB",
"Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB",
"204 total pagecache pages",
"0 pages in swap cache",
"Swap cache stats: add 0, delete 0, find 0/0",
"Free swap = 0kB",
"Total swap = 0kB",
"445340 pages RAM",
"0 pages HighMem/MovableOnly",
"10614 pages reserved",
"[ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name",
"[ 273] 0 273 4869 50 13 0 0 upstart-udev-br",
"[ 293] 0 293 12802 154 28 0 -1000 systemd-udevd",
"[ 321] 0 321 3819 54 12 0 0 upstart-file-br",
"[ 326] 102 326 9805 109 24 0 0 dbus-daemon",
"[ 334] 101 334 63960 94 26 0 0 rsyslogd",
"[ 343] 0 343 10863 102 26 0 0 systemd-logind",
"[ 546] 0 546 3815 60 13 0 0 upstart-socket-",
"[ 710] 0 710 2556 587 8 0 0 dhclient",
"[ 863] 0 863 3955 48 13 0 0 getty",
"[ 865] 0 865 3955 50 13 0 0 getty",
"[ 867] 0 867 3955 51 13 0 0 getty",
"[ 868] 0 868 3955 51 12 0 0 getty",
"[ 870] 0 870 3955 49 13 0 0 getty",
"[ 915] 0 915 5914 61 16 0 0 cron",
"[ 1015] 0 1015 10885 1524 25 0 0 manage_addresse",
"[ 1028] 0 1028 3955 49 13 0 0 getty",
"[ 1033] 0 1033 3197 48 12 0 0 getty",
"[ 1264] 0 1264 11031 1635 26 0 0 manage_accounts",
"[ 1268] 0 1268 15341 180 33 0 -1000 sshd",
"[ 1313] 104 1313 6804 154 17 0 0 ntpd",
"[ 1389] 0 1389 25889 255 55 0 0 sshd",
"[ 1407] 1020 1407 25889 255 52 0 0 sshd",
"[ 1408] 1020 1408 5711 581 17 0 0 bash",
"[ 1425] 0 1425 25889 256 53 0 0 sshd",
"[ 1443] 1020 1443 25889 257 52 0 0 sshd",
"[ 1444] 1020 1444 5711 581 16 0 0 bash",
"[ 1476] 1020 1476 1809 25 9 0 0 tail",
"[ 1532] 1020 1532 410347 398810 788 0 0 badsysprogram",
"Out of memory: Kill process 1532 (badsysprogram) score 919 or sacrifice child",
"Killed process 1532 (badsysprogram) total-vm:1641388kB, anon-rss:1595164kB, file-rss:76kB",
},
}},
out: []*OomInstance{{
Pid: 1532,
ProcessName: "badsysprogram",
TimeOfDeath: testTime,
ContainerName: "/",
VictimContainerName: "",
}},
},
{ // Multiple OOMs
// These were generated via `docker run -m 20M euank/gunpowder-memhog 2G; docker run -m 300M euank/gunpowder-memhog 800M`
// followed by nabbing output from `/dev/kmsg` and stripping the syslog-ish prefixes `kmsgparser` will handle anyways.
in: []in{
{
time: testTime,
msgs: []string{
"docker0: port 2(veth380a1cd) entered disabled state",
"device veth380a1cd left promiscuous mode",
"docker0: port 2(veth380a1cd) entered disabled state",
"docker0: port 2(vethcd0dbfb) entered blocking state",
"docker0: port 2(vethcd0dbfb) entered disabled state",
"device vethcd0dbfb entered promiscuous mode",
"IPv6: ADDRCONF(NETDEV_UP): vethcd0dbfb: link is not ready",
"IPv6: ADDRCONF(NETDEV_CHANGE): vethcd0dbfb: link becomes ready",
"docker0: port 2(vethcd0dbfb) entered blocking state",
"docker0: port 2(vethcd0dbfb) entered forwarding state",
"docker0: port 2(vethcd0dbfb) entered disabled state",
"eth0: renamed from vethbcd01c4",
"docker0: port 2(vethcd0dbfb) entered blocking state",
"docker0: port 2(vethcd0dbfb) entered forwarding state",
"gunpowder-memho invoked oom-killer: gfp_mask=0x24000c0(GFP_KERNEL), order=0, oom_score_adj=0",
"gunpowder-memho cpuset=2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50 mems_allowed=0",
"CPU: 0 PID: 1381 Comm: gunpowder-memho Tainted: G O 4.8.0-gentoo #2",
"Hardware name: LENOVO 20BSCTO1WW/20BSCTO1WW, BIOS N14ET32W (1.10 ) 08/13/2015",
" 0000000000000000 ffff8800968e3ca0 ffffffff8137ad47 ffff8800968e3d68",
" ffff8800b74ee540 ffff8800968e3d00 ffffffff811261dd 0000000000000003",
" 0000000000000000 0000000000000001 0000000000000246 0000000000000202",
"Call Trace:",
" [<ffffffff8137ad47>] dump_stack+0x4d/0x63",
" [<ffffffff811261dd>] dump_header+0x58/0x1c8",
" [<ffffffff810e85fe>] oom_kill_process+0x7e/0x362",
" [<ffffffff811221a8>] ? mem_cgroup_iter+0x109/0x23e",
" [<ffffffff811239dc>] mem_cgroup_out_of_memory+0x241/0x299",
" [<ffffffff81124447>] mem_cgroup_oom_synchronize+0x273/0x28c",
" [<ffffffff81120839>] ? __mem_cgroup_insert_exceeded+0x76/0x76",
" [<ffffffff810e8b46>] pagefault_out_of_memory+0x1f/0x76",
" [<ffffffff81038f38>] mm_fault_error+0x56/0x108",
" [<ffffffff81039355>] __do_page_fault+0x36b/0x3ee",
" [<ffffffff81039405>] do_page_fault+0xc/0xe",
" [<ffffffff81560082>] page_fault+0x22/0x30",
"Task in /docker/2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50 killed as a result of limit of /docker/2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50",
"memory: usage 20480kB, limit 20480kB, failcnt 1204",
"memory+swap: usage 40940kB, limit 40960kB, failcnt 6",
"kmem: usage 220kB, limit 9007199254740988kB, failcnt 0",
"Memory cgroup stats for /docker/2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50: cache:0KB rss:20260KB rss_huge:0KB mapped_file:0KB dirty:0KB writeback:1016KB swap:20460KB inactive_anon:10232KB active_anon:10028KB inactive_file:0KB active_file:0KB unevictable:0KB",
"[ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name",
"[ 1381] 0 1381 530382 5191 34 4 5489 0 gunpowder-memho",
"Memory cgroup out of memory: Kill process 1381 (gunpowder-memho) score 1046 or sacrifice child",
"Killed process 1381 (gunpowder-memho) total-vm:2121528kB, anon-rss:18624kB, file-rss:2140kB, shmem-rss:0kB",
"oom_reaper: reaped process 1381 (gunpowder-memho), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB",
"docker0: port 2(vethcd0dbfb) entered disabled state",
"vethbcd01c4: renamed from eth0",
"docker0: port 2(vethcd0dbfb) entered disabled state",
"device vethcd0dbfb left promiscuous mode",
"docker0: port 2(vethcd0dbfb) entered disabled state",
"docker0: port 2(veth4cb51e1) entered blocking state",
"docker0: port 2(veth4cb51e1) entered disabled state",
"device veth4cb51e1 entered promiscuous mode",
},
},
{
time: testTime2,
msgs: []string{
"IPv6: ADDRCONF(NETDEV_UP): veth4cb51e1: link is not ready",
"docker0: port 2(veth4cb51e1) entered blocking state",
"docker0: port 2(veth4cb51e1) entered forwarding state",
"IPv6: ADDRCONF(NETDEV_CHANGE): veth4cb51e1: link becomes ready",
"docker0: port 2(veth4cb51e1) entered disabled state",
"eth0: renamed from veth4b89c12",
"docker0: port 2(veth4cb51e1) entered blocking state",
"docker0: port 2(veth4cb51e1) entered forwarding state",
"gunpowder-memho invoked oom-killer: gfp_mask=0x24000c0(GFP_KERNEL), order=0, oom_score_adj=0",
"gunpowder-memho cpuset=6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70 mems_allowed=0",
"CPU: 0 PID: 1667 Comm: gunpowder-memho Tainted: G O 4.8.0-gentoo #2",
"Hardware name: LENOVO 20BSCTO1WW/20BSCTO1WW, BIOS N14ET32W (1.10 ) 08/13/2015",
" 0000000000000000 ffff88008137fca0 ffffffff8137ad47 ffff88008137fd68",
" ffff8801c75b0c40 ffff88008137fd00 ffffffff811261dd 0000000000000003",
" 0000000000000000 0000000000000001 0000000000000246 0000000000000202",
"Call Trace:",
" [<ffffffff8137ad47>] dump_stack+0x4d/0x63",
" [<ffffffff811261dd>] dump_header+0x58/0x1c8",
" [<ffffffff810e85fe>] oom_kill_process+0x7e/0x362",
" [<ffffffff811221a8>] ? mem_cgroup_iter+0x109/0x23e",
" [<ffffffff811239dc>] mem_cgroup_out_of_memory+0x241/0x299",
" [<ffffffff81124447>] mem_cgroup_oom_synchronize+0x273/0x28c",
" [<ffffffff81120839>] ? __mem_cgroup_insert_exceeded+0x76/0x76",
" [<ffffffff810e8b46>] pagefault_out_of_memory+0x1f/0x76",
" [<ffffffff81038f38>] mm_fault_error+0x56/0x108",
" [<ffffffff81039355>] __do_page_fault+0x36b/0x3ee",
" [<ffffffff81039405>] do_page_fault+0xc/0xe",
" [<ffffffff81560082>] page_fault+0x22/0x30",
"Task in /docker/6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70 killed as a result of limit of /docker/6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70",
"memory: usage 307112kB, limit 307200kB, failcnt 35982",
"memory+swap: usage 614400kB, limit 614400kB, failcnt 11",
"kmem: usage 1308kB, limit 9007199254740988kB, failcnt 0",
"Memory cgroup stats for /docker/6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70: cache:0KB rss:305804KB rss_huge:0KB mapped_file:0KB dirty:0KB writeback:55884KB swap:307288KB inactive_anon:152940KB active_anon:152832KB inactive_file:0KB active_file:0KB unevictable:0KB",
"[ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name",
"[ 1667] 0 1667 210894 62557 315 4 91187 0 gunpowder-memho",
"Memory cgroup out of memory: Kill process 1667 (gunpowder-memho) score 1003 or sacrifice child",
"Killed process 1667 (gunpowder-memho) total-vm:843576kB, anon-rss:248180kB, file-rss:2048kB, shmem-rss:0kB",
"oom_reaper: reaped process 1667 (gunpowder-memho), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB",
"docker0: port 2(veth4cb51e1) entered disabled state",
"veth4b89c12: renamed from eth0",
"docker0: port 2(veth4cb51e1) entered blocking state",
"docker0: port 2(veth4cb51e1) entered forwarding state",
"docker0: port 2(veth4cb51e1) entered disabled state",
"device veth4cb51e1 left promiscuous mode",
"docker0: port 2(veth4cb51e1) entered disabled state",
},
},
},
out: []*OomInstance{
{
Pid: 1381,
ProcessName: "gunpowder-memho",
TimeOfDeath: testTime,
ContainerName: "/docker/2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50",
VictimContainerName: "/docker/2e088fe462e25e60be1dafafe2c05c47bda1a97978648d10ad2b7484fc0b8f50",
},
{
Pid: 1667,
ProcessName: "gunpowder-memho",
TimeOfDeath: testTime2,
ContainerName: "/docker/6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70",
VictimContainerName: "/docker/6c6fcab8562fd3150854986b78552c732f234fd405b624207b8843528a145e70",
},
},
},
}
for _, pair := range testPairs {
go func() {
for _, x := range pair.in {
writeAll(x.msgs, x.time)
}
}()
for _, expected := range pair.out {
oom := <-oomsOut
assert.Equal(t, expected, oom)
}
select {
case oomInstance := <-outStream:
assert.Equal(t, oomCheckInstance, oomInstance)
case <-timeout:
t.Error(
"timeout happened before oomInstance was found in test file")
case oom := <-oomsOut:
t.Errorf("did not expect any remaining OOMs, got %+v", oom)
default:
}
}
}
func mockOomParser(sysFile string, t *testing.T) *OomParser {
file, err := os.Open(sysFile)
if err != nil {
t.Errorf("had an error opening file: %v", err)
type mockKmsgParser struct {
messages chan kmsgparser.Message
}
return &OomParser{
ioreader: bufio.NewReader(file),
func (m *mockKmsgParser) SeekEnd() error {
return nil
}
func (m *mockKmsgParser) Parse() <-chan kmsgparser.Message {
return m.messages
}
func (m *mockKmsgParser) SetLogger(kmsgparser.Logger) {}
func (m *mockKmsgParser) Close() error {
close(m.messages)
return nil
}

362
utils/oomparser/systemOomExampleLog.txt
View File

@ -1,362 +0,0 @@
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
[ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=1.
[ 0.000000] Offload RCU callbacks from all CPUs
[ 0.000000] Offload RCU callbacks from CPUs: 0.
[ 0.000000] NR_IRQS:16640 nr_irqs:256 16
[ 0.000000] Console: colour dummy device 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] allocated 7340032 bytes of page_cgroup
[ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[ 0.000000] tsc: Detected 2500.000 MHz processor
[ 0.008000] Calibrating delay loop (skipped) preset value.. 5000.00 BogoMIPS (lpj=10000000)
[ 0.008000] pid_max: default: 32768 minimum: 301
[ 0.008000] Security Framework initialized
[ 0.008000] AppArmor: AppArmor initialized
[ 0.008000] Yama: becoming mindful.
[ 0.008200] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[ 0.011365] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.013066] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.014030] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.016266] Initializing cgroup subsys memory
[ 0.016898] Initializing cgroup subsys devices
[ 0.017546] Initializing cgroup subsys freezer
[ 0.018193] Initializing cgroup subsys blkio
[ 0.018793] Initializing cgroup subsys perf_event
[ 0.019416] Initializing cgroup subsys hugetlb
[ 0.020067] Disabled fast string operations
[ 0.020681] CPU: Physical Processor ID: 0
[ 0.021238] CPU: Processor Core ID: 0
[ 0.022587] mce: CPU supports 32 MCE banks
[ 0.023260] Last level iTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.023260] Last level dTLB entries: 4KB 512, 2MB 0, 4MB 0
[ 0.023260] tlb_flushall_shift: 6
[ 0.043758] Freeing SMP alternatives memory: 32K (ffffffff81e6c000 - ffffffff81e74000)
[ 0.048361] ACPI: Core revision 20131115
[ 0.049516] ACPI: All ACPI Tables successfully acquired
[ 0.050342] ftrace: allocating 28458 entries in 112 pages
[ 0.060327] Enabling x2apic
[ 0.060740] Enabled x2apic
[ 0.064005] Switched APIC routing to physical x2apic.
[ 0.065489] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 0.066331] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.50GHz (fam: 06, model: 3e, stepping: 04)
[ 0.072000] APIC calibration not consistent with PM-Timer: 227ms instead of 100ms
[ 0.072000] APIC delta adjusted to PM-Timer: 6250028 (14249259)
[ 0.074382] Performance Events: unsupported p6 CPU model 62 no PMU driver, software events only.
[ 0.077174] x86: Booted up 1 node, 1 CPUs
[ 0.077738] smpboot: Total of 1 processors activated (5000.00 BogoMIPS)
[ 0.078932] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.079945] devtmpfs: initialized
[ 0.081784] EVM: security.selinux
[ 0.082251] EVM: security.SMACK64
[ 0.082720] EVM: security.ima
[ 0.083135] EVM: security.capability
[ 0.084729] pinctrl core: initialized pinctrl subsystem
[ 0.085517] regulator-dummy: no parameters
[ 0.086187] RTC time: 19:51:09, date: 01/28/15
[ 0.086869] NET: Registered protocol family 16
[ 0.087613] cpuidle: using governor ladder
[ 0.088009] cpuidle: using governor menu
[ 0.088580] ACPI: bus type PCI registered
[ 0.089191] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.090220] PCI: Using configuration type 1 for base access
[ 0.091749] bio: create slab <bio-0> at 0
[ 0.092215] ACPI: Added _OSI(Module Device)
[ 0.092799] ACPI: Added _OSI(Processor Device)
[ 0.093410] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.094173] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.096962] ACPI: Interpreter enabled
[ 0.097483] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20131115/hwxface-580)
[ 0.098762] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131115/hwxface-580)
[ 0.100011] ACPI: (supports S0 S3 S4 S5)
[ 0.100555] ACPI: Using IOAPIC for interrupt routing
[ 0.101252] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.102545] ACPI: No dock devices found.
[ 0.105210] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.106060] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[ 0.108025] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.109116] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 0.112685] PCI host bridge to bus 0000:00
[ 0.113294] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.114054] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.115065] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
[ 0.116004] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.116955] pci_bus 0000:00: root bus resource [mem 0x6cc00000-0xfebfffff]
[ 0.117916] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100
[ 0.122089] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 0.125713] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 0.127117] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000
[ 0.128752] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f]
[ 0.130322] pci 0000:00:03.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f]
[ 0.133571] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000
[ 0.135267] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 0.136777] pci 0000:00:04.0: reg 0x14: [mem 0xfebff000-0xfebff03f]
[ 0.140811] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.141879] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.142886] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.144086] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.145067] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.146245] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.147038] ACPI: \_SB_.PCI0: notify handler is installed
[ 0.147840] Found 1 acpi root devices
[ 0.148136] vgaarb: loaded
[ 0.148780] SCSI subsystem initialized
[ 0.149472] libata version 3.00 loaded.
[ 0.150070] ACPI: bus type USB registered
[ 0.150659] usbcore: registered new interface driver usbfs
[ 0.151536] usbcore: registered new interface driver hub
[ 0.152055] usbcore: registered new device driver usb
[ 0.153144] PCI: Using ACPI for IRQ routing
[ 0.153756] PCI: pci_cache_line_size set to 64 bytes
[ 0.154617] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[ 0.156004] e820: reserve RAM buffer [mem 0x6cbfe000-0x6fffffff]
[ 0.156993] NetLabel: Initializing
[ 0.157498] NetLabel: domain hash size = 128
[ 0.158082] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.158815] NetLabel: unlabeled traffic allowed by default
[ 0.160005] Switched to clocksource kvm-clock
[ 0.168695] AppArmor: AppArmor Filesystem Enabled
[ 0.169361] pnp: PnP ACPI init
[ 0.169853] ACPI: bus type PNP registered
[ 0.170499] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.171591] pnp 00:01: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.172574] pnp 00:02: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.173782] pnp: PnP ACPI: found 3 devices
[ 0.174430] ACPI: bus type PNP unregistered
[ 0.181364] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.182172] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
[ 0.183049] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.184120] pci_bus 0000:00: resource 7 [mem 0x6cc00000-0xfebfffff]
[ 0.185051] NET: Registered protocol family 2
[ 0.185859] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
[ 0.187117] TCP bind hash table entries: 16384 (order: 6, 262144 bytes)
[ 0.188393] TCP: Hash tables configured (established 16384 bind 16384)
[ 0.189429] TCP: reno registered
[ 0.189929] UDP hash table entries: 1024 (order: 3, 32768 bytes)
[ 0.190824] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
[ 0.191830] NET: Registered protocol family 1
[ 0.192585] PCI: CLS 0 bytes, default 64
[ 0.193412] Trying to unpack rootfs image as initramfs...
[ 0.897565] Freeing initrd memory: 18780K (ffff880035b42000 - ffff880036d99000)
[ 0.898982] microcode: CPU0 sig=0x306e4, pf=0x1, revision=0x1
[ 0.899884] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[ 0.901196] Scanning for low memory corruption every 60 seconds
[ 0.902497] Initialise system trusted keyring
[ 0.903169] audit: initializing netlink socket (disabled)
[ 0.904016] type=2000 audit(1422474669.702:1): initialized
[ 0.926617] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.928567] zbud: loaded
[ 0.929030] VFS: Disk quotas dquot_6.5.2
[ 0.929685] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.931113] fuse init (API version 7.22)
[ 0.931781] msgmni has been set to 3390
[ 0.932595] Key type big_key registered
[ 0.933680] Key type asymmetric registered
[ 0.934332] Asymmetric key parser 'x509' registered
[ 0.935078] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.936224] io scheduler noop registered
[ 0.936858] io scheduler deadline registered (default)
[ 0.937675] io scheduler cfq registered
[ 0.938307] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.939158] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 0.940239] efifb: probing for efifb
[ 0.940788] efifb: framebuffer at 0xa0000, mapped to 0xffff8800000a0000, using 64k, total 64k
[ 0.942044] efifb: mode is 640x480x1, linelength=80, pages=1
[ 0.942964] efifb: scrolling: redraw
[ 0.943525] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
[ 0.945209] Console: switching to colour frame buffer device 80x30
[ 0.946826] fb0: EFI VGA frame buffer device
[ 0.947485] intel_idle: does not run on family 6 model 62
[ 0.948380] ipmi message handler version 39.2
[ 0.949036] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 0.950135] ACPI: Power Button [PWRF]
[ 0.950722] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 0.951773] ACPI: Sleep Button [SLPF]
[ 0.952529] GHES: HEST is not enabled!
[ 0.953921] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[ 0.955783] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
[ 0.957395] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[ 1.112167] 00:01: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 1.134843] 00:02: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 1.137110] Linux agpgart interface v0.103
[ 1.138975] brd: module loaded
[ 1.140117] loop: module loaded
[ 1.140923] libphy: Fixed MDIO Bus: probed
[ 1.141640] tun: Universal TUN/TAP device driver, 1.6
[ 1.142342] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 1.144063] virtio-pci 0000:00:04.0: irq 40 for MSI/MSI-X
[ 1.144871] virtio-pci 0000:00:04.0: irq 41 for MSI/MSI-X
[ 1.145670] virtio-pci 0000:00:04.0: irq 42 for MSI/MSI-X
[ 1.151673] PPP generic driver version 2.4.2
[ 1.152344] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.153399] ehci-pci: EHCI PCI platform driver
[ 1.154021] ehci-platform: EHCI generic platform driver
[ 1.154939] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.155973] ohci-pci: OHCI PCI platform driver
[ 1.156675] ohci-platform: OHCI generic platform driver
[ 1.157423] uhci_hcd: USB Universal Host Controller Interface driver
[ 1.158352] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 3.646820] i8042: No controller found
[ 3.647493] tsc: Refined TSC clocksource calibration: 2500.002 MHz
[ 3.648490] mousedev: PS/2 mouse device common for all mice
[ 3.649499] rtc_cmos 00:00: RTC can wake from S4
[ 3.650595] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[ 3.651521] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[ 3.652422] device-mapper: uevent: version 1.0.3
[ 3.653131] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
[ 3.654281] ledtrig-cpu: registered to indicate activity on CPUs
[ 3.655182] TCP: cubic registered
[ 3.655704] NET: Registered protocol family 10
[ 3.656551] NET: Registered protocol family 17
[ 3.657183] Key type dns_resolver registered
[ 3.657931] Loading compiled-in X.509 certificates
[ 3.659264] Loaded X.509 cert 'Magrathea: Glacier signing key: 23984ac203784325ccf7b95b51f6c119380eb933'
[ 3.660726] registered taskstats version 1
[ 3.663211] Key type trusted registered
[ 3.665462] Key type encrypted registered
[ 3.667679] AppArmor: AppArmor sha1 policy hashing enabled
[ 3.668454] IMA: No TPM chip found, activating TPM-bypass!
[ 3.669388] regulator-dummy: disabling
[ 3.669971] Magic number: 15:428:901
[ 3.670625] clocksource clocksource0: hash matches
[ 3.671311] acpi PNP0501:01: hash matches
[ 3.671953] rtc_cmos 00:00: setting system clock to 2015-01-28 19:51:13 UTC (1422474673)
[ 3.673268] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 3.674088] EDD information not available.
[ 3.674668] PM: Hibernation image not present or could not be loaded.
[ 3.676577] Freeing unused kernel memory: 1332K (ffffffff81d1f000 - ffffffff81e6c000)
[ 3.678370] Write protecting the kernel read-only data: 12288k
[ 3.681251] Freeing unused kernel memory: 828K (ffff880001731000 - ffff880001800000)
[ 3.684444] Freeing unused kernel memory: 700K (ffff880001b51000 - ffff880001c00000)
[ 3.700162] systemd-udevd[90]: starting version 204
[ 3.866262] virtio-pci 0000:00:03.0: irq 43 for MSI/MSI-X
[ 3.867187] virtio-pci 0000:00:03.0: irq 44 for MSI/MSI-X
[ 3.867997] virtio-pci 0000:00:03.0: irq 45 for MSI/MSI-X
[ 3.876214] virtio-pci 0000:00:03.0: irq 46 for MSI/MSI-X
[ 3.880005] scsi0 : Virtio SCSI HBA
[ 3.912410] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 3.938957] sd 0:0:1:0: Attached scsi generic sg0 type 0
[ 3.939845] sd 0:0:1:0: [sda] 20971520 512-byte logical blocks: (10.7 GB/10.0 GiB)
[ 3.941149] sd 0:0:1:0: [sda] 4096-byte physical blocks
[ 3.942233] sd 0:0:1:0: [sda] Write Protect is off
[ 3.942988] sd 0:0:1:0: [sda] Mode Sense: 1f 00 00 08
[ 3.944398] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 3.961885] sda: sda1
[ 3.963152] sd 0:0:1:0: [sda] Attached SCSI disk
[ 4.414649] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 5.293574] random: init urandom read with 73 bits of entropy available
[ 6.418187] random: nonblocking pool is initialized
[ 6.692508] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[ 7.121847] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.681714] systemd-udevd[293]: starting version 204
[ 8.437234] lp: driver loaded but no devices found
[ 9.164195] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
[ 9.648096] device-mapper: multipath: version 1.6.0 loaded
[ 10.434575] type=1400 audit(1422474680.256:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=368 comm="apparmor_parser"
[ 10.437242] type=1400 audit(1422474680.260:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=368 comm="apparmor_parser"
[ 10.439901] type=1400 audit(1422474680.260:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=368 comm="apparmor_parser"
[ 11.126295] type=1400 audit(1422474680.948:5): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/sbin/dhclient" pid=412 comm="apparmor_parser"
[ 11.129123] type=1400 audit(1422474680.952:6): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=412 comm="apparmor_parser"
[ 11.132139] type=1400 audit(1422474680.956:7): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=412 comm="apparmor_parser"
[ 11.196173] type=1400 audit(1422474681.020:8): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/sbin/dhclient" pid=458 comm="apparmor_parser"
[ 11.198887] type=1400 audit(1422474681.020:9): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=458 comm="apparmor_parser"
[ 11.201484] type=1400 audit(1422474681.028:10): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=458 comm="apparmor_parser"
[ 11.361371] init: udev-fallback-graphics main process (454) terminated with status 1
[ 11.378437] type=1400 audit(1422474681.200:11): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=458 comm="apparmor_parser"
[ 14.366411] init: failsafe main process (491) killed by TERM signal
kateknister@kateknister-test3:~$ tail -f /var/log/syslog
Jan 28 19:51:47 localhost ntpdate[1240]: adjust time server 169.254.169.254 offset -0.383723 sec
Jan 28 19:51:47 localhost ntpd[1312]: ntpd 4.2.6p5@1.2349-o Wed Oct 9 19:08:06 UTC 2013 (1)
Jan 28 19:51:47 localhost ntpd[1313]: proto: precision = 0.449 usec
Jan 28 19:51:47 localhost ntpd[1313]: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
Jan 28 19:51:47 localhost ntpd[1313]: Listen and drop on 0 v4wildcard 0.0.0.0 UDP 123
Jan 28 19:51:47 localhost ntpd[1313]: Listen and drop on 1 v6wildcard :: UDP 123
Jan 28 19:51:47 localhost ntpd[1313]: Listen normally on 2 lo 127.0.0.1 UDP 123
Jan 28 19:51:47 localhost ntpd[1313]: Listen normally on 3 eth0 10.240.192.196 UDP 123
Jan 28 19:51:47 localhost ntpd[1313]: peers refreshed
Jan 28 19:51:47 localhost ntpd[1313]: Listening on routing socket on fd #20 for interface updates
Jan 28 19:58:45 localhost kernel: [ 455.498827] badsysprogram invoked oom-killer: gfp_mask=0x280da, order=0, oom_score_adj=0
Jan 28 19:58:45 localhost kernel: [ 455.500173] badsysprogram cpuset=/ mems_allowed=0
Jan 28 19:58:45 localhost kernel: [ 455.501007] CPU: 0 PID: 1532 Comm: badsysprogram Not tainted 3.13.0-27-generic #50-Ubuntu
Jan 28 19:58:45 localhost kernel: [ 455.502301] Hardware name: Google Google, BIOS Google 01/01/2011
Jan 28 19:58:45 localhost kernel: [ 455.503298] 0000000000000000 ffff880069715a90 ffffffff817199c4 ffff8800680d8000
Jan 28 19:58:45 localhost kernel: [ 455.504563] ffff880069715b18 ffffffff817142ff 0000000000000000 0000000000000000
Jan 28 19:58:45 localhost kernel: [ 455.505779] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Jan 28 19:58:45 localhost kernel: [ 455.506971] Call Trace:
Jan 28 19:58:45 localhost kernel: [ 455.507353] [<ffffffff817199c4>] dump_stack+0x45/0x56
Jan 28 19:58:45 localhost kernel: [ 455.508289] [<ffffffff817142ff>] dump_header+0x7f/0x1f1
Jan 28 19:58:45 localhost kernel: [ 455.509112] [<ffffffff8115196e>] oom_kill_process+0x1ce/0x330
Jan 28 19:58:45 localhost kernel: [ 455.510023] [<ffffffff812d3395>] ? security_capable_noaudit+0x15/0x20
Jan 28 19:58:45 localhost kernel: [ 455.510994] [<ffffffff811520a4>] out_of_memory+0x414/0x450
Jan 28 19:58:45 localhost kernel: [ 455.511820] [<ffffffff81158377>] __alloc_pages_nodemask+0xa87/0xb20
Jan 28 19:58:45 localhost kernel: [ 455.512815] [<ffffffff811985da>] alloc_pages_vma+0x9a/0x140
Jan 28 19:58:45 localhost kernel: [ 455.513647] [<ffffffff8117909b>] handle_mm_fault+0xb2b/0xf10
Jan 28 19:58:45 localhost kernel: [ 455.514498] [<ffffffff81725924>] __do_page_fault+0x184/0x560
Jan 28 19:58:45 localhost kernel: [ 455.515415] [<ffffffff8101b7d9>] ? sched_clock+0x9/0x10
Jan 28 19:58:45 localhost kernel: [ 455.516318] [<ffffffff8109d13d>] ? sched_clock_local+0x1d/0x80
Jan 28 19:58:45 localhost kernel: [ 455.517242] [<ffffffff811112ec>] ? acct_account_cputime+0x1c/0x20
Jan 28 19:58:45 localhost kernel: [ 455.518141] [<ffffffff8109d76b>] ? account_user_time+0x8b/0xa0
Jan 28 19:58:45 localhost kernel: [ 455.519014] [<ffffffff8109dd84>] ? vtime_account_user+0x54/0x60
Jan 28 19:58:45 localhost kernel: [ 455.519910] [<ffffffff81725d1a>] do_page_fault+0x1a/0x70
Jan 28 19:58:45 localhost kernel: [ 455.520712] [<ffffffff81722188>] page_fault+0x28/0x30
Jan 28 19:58:45 localhost kernel: [ 455.521498] Mem-Info:
Jan 28 19:58:45 localhost kernel: [ 455.521873] Node 0 DMA per-cpu:
Jan 28 19:58:45 localhost kernel: [ 455.522388] CPU 0: hi: 0, btch: 1 usd: 0
Jan 28 19:58:45 localhost kernel: [ 455.598342] Node 0 DMA32 per-cpu:
Jan 28 19:58:45 localhost kernel: [ 455.598890] CPU 0: hi: 186, btch: 31 usd: 86
Jan 28 19:58:45 localhost kernel: [ 455.599687] active_anon:405991 inactive_anon:57 isolated_anon:0
Jan 28 19:58:45 localhost kernel: [ 455.599687] active_file:35 inactive_file:69 isolated_file:0
Jan 28 19:58:45 localhost kernel: [ 455.599687] unevictable:0 dirty:0 writeback:0 unstable:0
Jan 28 19:58:45 localhost kernel: [ 455.599687] free:12929 slab_reclaimable:1635 slab_unreclaimable:1919
Jan 28 19:58:45 localhost kernel: [ 455.599687] mapped:34 shmem:70 pagetables:1423 bounce:0
Jan 28 19:58:45 localhost kernel: [ 455.599687] free_cma:0
Jan 28 19:58:45 localhost kernel: [ 455.604585] Node 0 DMA free:7124kB min:412kB low:512kB high:616kB active_anon:8508kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15908kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:4kB slab_reclaimable:16kB slab_unreclaimable:16kB kernel_stack:0kB pagetables:12kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jan 28 19:58:45 localhost kernel: [ 455.610811] lowmem_reserve[]: 0 1679 1679 1679
Jan 28 19:58:45 localhost kernel: [ 455.611600] Node 0 DMA32 free:44592kB min:44640kB low:55800kB high:66960kB active_anon:1615456kB inactive_anon:224kB active_file:140kB inactive_file:276kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:1765368kB managed:1722912kB mlocked:0kB dirty:0kB writeback:0kB mapped:136kB shmem:276kB slab_reclaimable:6524kB slab_unreclaimable:7660kB kernel_stack:592kB pagetables:5680kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:819 all_unreclaimable? yes
Jan 28 19:58:45 localhost kernel: [ 455.618372] lowmem_reserve[]: 0 0 0 0
Jan 28 19:58:45 localhost kernel: [ 455.619041] Node 0 DMA: 5*4kB (UM) 6*8kB (UEM) 7*16kB (UEM) 1*32kB (M) 2*64kB (UE) 3*128kB (UEM) 1*256kB (E) 2*512kB (EM) 3*1024kB (UEM) 1*2048kB (R) 0*4096kB = 7124kB
Jan 28 19:58:45 localhost kernel: [ 455.621861] Node 0 DMA32: 74*4kB (UEM) 125*8kB (UEM) 78*16kB (UEM) 26*32kB (UE) 12*64kB (UEM) 4*128kB (UE) 4*256kB (UE) 2*512kB (E) 11*1024kB (UE) 7*2048kB (UE) 3*4096kB (UR) = 44592kB
Jan 28 19:58:45 localhost kernel: [ 455.625174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Jan 28 19:58:45 localhost kernel: [ 455.626394] 204 total pagecache pages
Jan 28 19:58:45 localhost kernel: [ 455.626954] 0 pages in swap cache
Jan 28 19:58:45 localhost kernel: [ 455.627455] Swap cache stats: add 0, delete 0, find 0/0
Jan 28 19:58:45 localhost kernel: [ 455.628242] Free swap = 0kB
Jan 28 19:58:45 localhost kernel: [ 455.628686] Total swap = 0kB
Jan 28 19:58:45 localhost kernel: [ 455.629147] 445340 pages RAM
Jan 28 19:58:45 localhost kernel: [ 455.629577] 0 pages HighMem/MovableOnly
Jan 28 19:58:45 localhost kernel: [ 455.630301] 10614 pages reserved
Jan 28 19:58:45 localhost kernel: [ 455.630787] [ pid ] uid tgid total_vm rss nr_ptes swapents oom_score_adj name
Jan 28 19:58:45 localhost kernel: [ 455.631937] [ 273] 0 273 4869 50 13 0 0 upstart-udev-br
Jan 28 19:58:45 localhost kernel: [ 455.633290] [ 293] 0 293 12802 154 28 0 -1000 systemd-udevd
Jan 28 19:58:45 localhost kernel: [ 455.634671] [ 321] 0 321 3819 54 12 0 0 upstart-file-br
Jan 28 19:58:45 localhost kernel: [ 455.636070] [ 326] 102 326 9805 109 24 0 0 dbus-daemon
Jan 28 19:58:45 localhost kernel: [ 455.637373] [ 334] 101 334 63960 94 26 0 0 rsyslogd
Jan 28 19:58:45 localhost kernel: [ 455.638761] [ 343] 0 343 10863 102 26 0 0 systemd-logind
Jan 28 19:58:45 localhost kernel: [ 455.640158] [ 546] 0 546 3815 60 13 0 0 upstart-socket-
Jan 28 19:58:45 localhost kernel: [ 455.641534] [ 710] 0 710 2556 587 8 0 0 dhclient
Jan 28 19:58:45 localhost kernel: [ 455.642834] [ 863] 0 863 3955 48 13 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.644139] [ 865] 0 865 3955 50 13 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.645325] [ 867] 0 867 3955 51 13 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.646621] [ 868] 0 868 3955 51 12 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.647963] [ 870] 0 870 3955 49 13 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.649234] [ 915] 0 915 5914 61 16 0 0 cron
Jan 28 19:58:45 localhost kernel: [ 455.650439] [ 1015] 0 1015 10885 1524 25 0 0 manage_addresse
Jan 28 19:58:45 localhost kernel: [ 455.651817] [ 1028] 0 1028 3955 49 13 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.653091] [ 1033] 0 1033 3197 48 12 0 0 getty
Jan 28 19:58:45 localhost kernel: [ 455.654783] [ 1264] 0 1264 11031 1635 26 0 0 manage_accounts
Jan 28 19:58:45 localhost kernel: [ 455.656657] [ 1268] 0 1268 15341 180 33 0 -1000 sshd
Jan 28 19:58:45 localhost kernel: [ 455.657865] [ 1313] 104 1313 6804 154 17 0 0 ntpd
Jan 28 19:58:45 localhost kernel: [ 455.659085] [ 1389] 0 1389 25889 255 55 0 0 sshd
Jan 28 19:58:45 localhost kernel: [ 455.660440] [ 1407] 1020 1407 25889 255 52 0 0 sshd
Jan 28 19:58:45 localhost kernel: [ 455.661595] [ 1408] 1020 1408 5711 581 17 0 0 bash
Jan 28 19:58:45 localhost kernel: [ 455.662887] [ 1425] 0 1425 25889 256 53 0 0 sshd
Jan 28 19:58:45 localhost kernel: [ 455.664075] [ 1443] 1020 1443 25889 257 52 0 0 sshd
Jan 28 19:58:45 localhost kernel: [ 455.665330] [ 1444] 1020 1444 5711 581 16 0 0 bash
Jan 28 19:58:45 localhost kernel: [ 455.666450] [ 1476] 1020 1476 1809 25 9 0 0 tail
Jan 28 19:58:45 localhost kernel: [ 455.667682] [ 1532] 1020 1532 410347 398810 788 0 0 badsysprogram
Jan 28 19:58:45 localhost kernel: [ 455.669006] Out of memory: Kill process 1532 (badsysprogram) score 919 or sacrifice child
Jan 28 19:58:45 localhost kernel: [ 455.670291] Killed process 1532 (badsysprogram) total-vm:1641388kB, anon-rss:1595164kB, file-rss:76kB
[ 0.170499] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.171591] pnp 00:01: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.172574] pnp 00:02: Plug and Play ACPI device, IDs PNP0501 (active)

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APPENDIX: How to apply the Apache License to your work.
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replaced with your own identifying information. (Don't include
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Licensed under the Apache License, Version 2.0 (the "License");
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/*
Copyright 2016 Euan Kemp
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 kmsgparser implements a parser for the Linux `/dev/kmsg` format.
// More information about this format may be found here:
// https://www.kernel.org/doc/Documentation/ABI/testing/dev-kmsg
// Some parts of it are slightly inspired by rsyslog's contrib module:
// https://github.com/rsyslog/rsyslog/blob/v8.22.0/contrib/imkmsg/kmsg.c
package kmsgparser
import (
"fmt"
"io"
"os"
"strconv"
"strings"
"syscall"
"time"
)
// Parser is a parser for the kernel ring buffer found at /dev/kmsg
type Parser interface {
// SeekEnd moves the parser to the end of the kmsg queue.
SeekEnd() error
// Parse provides a channel of messages read from the kernel ring buffer.
// When first called, it will read the existing ringbuffer, after which it will emit new messages as they occur.
Parse() <-chan Message
// SetLogger sets the logger that will be used to report malformed kernel
// ringbuffer lines or unexpected kmsg read errors.
SetLogger(Logger)
// Close closes the underlying kmsg reader for this parser
Close() error
}
// Message represents a given kmsg logline, including its timestamp (as
// calculated based on offset from boot time), its possibly multi-line body,
// and so on. More information about these mssages may be found here:
// https://www.kernel.org/doc/Documentation/ABI/testing/dev-kmsg
type Message struct {
Priority int
SequenceNumber int
Timestamp time.Time
Message string
}
func NewParser() (Parser, error) {
f, err := os.Open("/dev/kmsg")
if err != nil {
return nil, err
}
bootTime, err := getBootTime()
if err != nil {
return nil, err
}
return &parser{
log: &StandardLogger{nil},
kmsgReader: f,
bootTime: bootTime,
}, nil
}
type ReadSeekCloser interface {
io.ReadCloser
io.Seeker
}
type parser struct {
log Logger
kmsgReader ReadSeekCloser
bootTime time.Time
}
func getBootTime() (time.Time, error) {
var sysinfo syscall.Sysinfo_t
err := syscall.Sysinfo(&sysinfo)
if err != nil {
return time.Time{}, fmt.Errorf("could not get boot time: %v", err)
}
// sysinfo only has seconds
return time.Now().Add(-1 * (time.Duration(sysinfo.Uptime) * time.Second)), nil
}
func (p *parser) SetLogger(log Logger) {
p.log = log
}
func (p *parser) Close() error {
return p.kmsgReader.Close()
}
func (p *parser) SeekEnd() error {
_, err := p.kmsgReader.Seek(0, os.SEEK_END)
return err
}
// Parse will read from the provided reader and provide a channel of messages
// parsed.
// If the provided reader *is not* a proper Linux kmsg device, Parse might not
// behave correctly since it relies on specific behavior of `/dev/kmsg`
//
// A goroutine is created to process the provided reader. The goroutine will
// exit when the given reader is closed.
// Closing the passed in reader will cause the goroutine to exit.
func (p *parser) Parse() <-chan Message {
output := make(chan Message, 1)
go func() {
defer close(output)
msg := make([]byte, 8192)
for {
// Each read call gives us one full message.
// https://www.kernel.org/doc/Documentation/ABI/testing/dev-kmsg
n, err := p.kmsgReader.Read(msg)
if err != nil {
if err == syscall.EPIPE {
p.log.Warningf("short read from kmsg; skipping")
continue
}
if err == io.EOF {
p.log.Infof("kmsg reader closed, shutting down")
return
}
p.log.Errorf("error reading /dev/kmsg: %v", err)
return
}
msgStr := string(msg[:n])
message, err := p.parseMessage(msgStr)
if err != nil {
p.log.Warningf("unable to parse kmsg message %q: %v", msgStr, err)
continue
}
output <- message
}
}()
return output
}
func (p *parser) parseMessage(input string) (Message, error) {
// Format:
// PRIORITY,SEQUENCE_NUM,TIMESTAMP,-;MESSAGE
parts := strings.SplitN(input, ";", 2)
if len(parts) != 2 {
return Message{}, fmt.Errorf("invalid kmsg; must contain a ';'")
}
metadata, message := parts[0], parts[1]
metadataParts := strings.Split(metadata, ",")
if len(metadataParts) < 3 {
return Message{}, fmt.Errorf("invalid kmsg: must contain at least 3 ',' separated pieces at the start")
}
priority, sequence, timestamp := metadataParts[0], metadataParts[1], metadataParts[2]
prioNum, err := strconv.Atoi(priority)
if err != nil {
return Message{}, fmt.Errorf("could not parse %q as priority: %v", priority, err)
}
sequenceNum, err := strconv.Atoi(sequence)
if err != nil {
return Message{}, fmt.Errorf("could not parse %q as sequence number: %v", priority, err)
}
timestampUsFromBoot, err := strconv.ParseInt(timestamp, 10, 64)
if err != nil {
return Message{}, fmt.Errorf("could not parse %q as timestamp: %v", priority, err)
}
// timestamp is offset in microsecond from boottime.
msgTime := p.bootTime.Add(time.Duration(timestampUsFromBoot) * time.Microsecond)
return Message{
Priority: prioNum,
SequenceNumber: sequenceNum,
Timestamp: msgTime,
Message: message,
}, nil
}

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vendor/github.com/euank/go-kmsg-parser/kmsgparser/log.go generated vendored Normal file
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/*
Copyright 2016 Euan Kemp
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 kmsgparser
import stdlog "log"
// Logger is a glog compatible logging interface
// The StandardLogger struct can be used to wrap a log.Logger from the golang
// "log" package to create a standard a logger fulfilling this interface as
// well.
type Logger interface {
Warningf(string, ...interface{})
Infof(string, ...interface{})
Errorf(string, ...interface{})
}
// StandardLogger adapts the "log" package's Logger interface to be a Logger
type StandardLogger struct {
*stdlog.Logger
}
func (s *StandardLogger) Warningf(fmt string, args ...interface{}) {
if s.Logger == nil {
return
}
s.Logger.Printf("[WARNING] "+fmt, args)
}
func (s *StandardLogger) Infof(fmt string, args ...interface{}) {
if s.Logger == nil {
return
}
s.Logger.Printf("[INFO] "+fmt, args)
}
func (s *StandardLogger) Errorf(fmt string, args ...interface{}) {
if s.Logger == nil {
return
}
s.Logger.Printf("[INFO] "+fmt, args)
}

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The Prometheus project was started by Matt T. Proud (emeritus) and
Julius Volz in 2012.
Maintainers of this repository:
* Björn Rabenstein <beorn@soundcloud.com>
The following individuals have contributed code to this repository
(listed in alphabetical order):
* Bernerd Schaefer <bj.schaefer@gmail.com>
* Björn Rabenstein <beorn@soundcloud.com>
* Daniel Bornkessel <daniel@soundcloud.com>
* Jeff Younker <jeff@drinktomi.com>
* Julius Volz <julius@soundcloud.com>
* Matt T. Proud <matt.proud@gmail.com>
* Tobias Schmidt <ts@soundcloud.com>

13
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The Prometheus project was started by Matt T. Proud (emeritus) and
Julius Volz in 2012.
Maintainers of this repository:
* Björn Rabenstein <beorn@soundcloud.com>
The following individuals have contributed code to this repository
(listed in alphabetical order):
* Björn Rabenstein <beorn@soundcloud.com>
* Matt T. Proud <matt.proud@gmail.com>
* Tobias Schmidt <ts@soundcloud.com>