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2024-07-21 - 20:30
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Sun Jul 21, 2024 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413295421440,1sleep30-21swapper/308:50:183
1878992960,1sleep10-21swapper/111:35:291
773662320,1sleep30-21swapper/310:25:173
2816722300,1chrt0-21swapper/312:40:003
40142562290,1sleep00-21swapper/007:15:010
4006793992723,3cyclictest59828-21sh10:15:002
4006789992521,2cyclictest0-21swapper/112:30:001
1500612250,1chrt0-21swapper/011:10:390
4006795992420,1cyclictest0-21swapper/307:40:003
4006793992422,1cyclictest281711-21sendmail12:40:002
4006786992420,3cyclictest514-21in:imuxsock08:40:000
4006793992320,2cyclictest113059-21idleruntime-cro10:50:002
4006795992218,1cyclictest0-21swapper/310:20:003
4006789992219,2cyclictest0-21swapper/109:15:011
4006789992217,3cyclictest152166-21grep11:15:121
4006795992118,1cyclictest0-21swapper/311:05:003
4006795992118,1cyclictest0-21swapper/310:10:003
4006786992118,2cyclictest0-21swapper/009:25:000
4006786992116,3cyclictest4012839-21latency_hist07:15:000
4006795992017,1cyclictest0-21swapper/311:35:003
4006795992017,1cyclictest0-21swapper/310:05:003
4006793992014,4cyclictest220626-21ssh12:00:012
4006789992017,2cyclictest497-21dbus-daemon12:15:001
4006789992017,2cyclictest0-21swapper/110:25:001
4006789992015,4cyclictest113089-21http10:50:001
4006786992016,3cyclictest496-21avahi-daemon08:25:000
4006786992015,3cyclictest27456-21kworker/u8:1+events_unbound10:55:020
4006795991916,1cyclictest0-21swapper/310:40:013
4006793991916,2cyclictest182356-21apt-key11:35:002
4006793991915,2cyclictest0-21swapper/210:00:222
4006793991915,2cyclictest0-21swapper/208:55:012
4006789991916,2cyclictest4099851-21latency_hist08:25:011
4006789991916,2cyclictest0-21swapper/111:00:001
4006786991915,2cyclictest30797-21irqrtprio09:55:220
4006786991911,3cyclictest581rcuop/311:45:000
102198190,3rtkit-daemon722-21ntpd12:21:590
102198190,1rtkit-daemon0-21swapper/012:05:570
4006793991815,2cyclictest516-21rs:main2
4006793991815,2cyclictest236533-21gltestperf12:10:122
4006793991815,2cyclictest0-21swapper/209:00:012
400679399180,2cyclictest4148020-21munin-run09:05:012
4006789991815,2cyclictest773-21gmain10:15:021
4006789991815,2cyclictest51948-21sh10:10:011
4006789991815,2cyclictest331ktimers/110:34:001
4006789991815,2cyclictest251192-21latency_hist12:20:001
4006786991816,1cyclictest274058-21cron12:35:010
4006786991815,2cyclictest729-21sshd09:03:280
4006786991814,3cyclictest4047000-21kthreadcore07:40:160
102198180,2rtkit-daemon722-21ntpd11:47:250
4006795991714,1cyclictest0-21swapper/312:15:003
4006795991714,1cyclictest0-21swapper/310:25:003
4006795991714,1cyclictest0-21swapper/309:20:003
4006795991714,1cyclictest0-21swapper/309:00:023
4006795991714,1cyclictest0-21swapper/308:00:003
400679399172,2cyclictest41526542tr09:05:182
4006793991714,2cyclictest496-21avahi-daemon10:30:012
4006793991714,2cyclictest0-21swapper/210:20:022
4006793991713,3cyclictest514-21in:imuxsock12:10:012
4006793991713,3cyclictest4045812-21fschecks_count07:40:132
4006793991713,3cyclictest144430-21/usr/sbin/munin11:10:252
4006793991713,3cyclictest0-21swapper/208:25:002
4006793991713,2cyclictest4069477-21sendmail08:00:002
4006789991714,2cyclictest496-21avahi-daemon07:15:291
4006789991713,2cyclictest177769-21kthreadcore11:30:161
400678699178,8cyclictest0-21swapper/009:15:230
4006786991714,2cyclictest236674-21irqcore12:10:130
4006786991714,2cyclictest137152-21gltestperf11:05:130
4006786991713,3cyclictest4039085-21latency_hist07:35:010
4006786991712,3cyclictest51949-21latency_hist10:10:010
4006795991613,1cyclictest0-21swapper/312:05:173
4006795991613,1cyclictest0-21swapper/311:55:163
4006795991613,1cyclictest0-21swapper/310:55:153
4006795991613,1cyclictest0-21swapper/310:30:533
4006795991613,1cyclictest0-21swapper/310:15:003
4006795991613,1cyclictest0-21swapper/309:55:283
4006795991613,1cyclictest0-21swapper/309:55:003
4006795991613,1cyclictest0-21swapper/309:40:003
4006795991613,1cyclictest0-21swapper/308:35:003
4006795991613,1cyclictest0-21swapper/308:20:253
4006795991612,1cyclictest0-21swapper/312:30:003
400679399166,3cyclictest205299-21awk11:50:002
4006793991613,2cyclictest4093854-21latency_hist08:20:012
4006793991613,2cyclictest4032883-21cut07:30:002
4006793991613,2cyclictest136518-21sh11:05:002
4006793991613,2cyclictest11514-21latency09:40:172
4006793991613,2cyclictest0-21swapper/208:10:002
4006793991612,3cyclictest516-21rs:main2
4006793991612,3cyclictest4154986-21gltestperf09:10:132
4006793991612,3cyclictest103662-21unixbench_singl10:40:252
4006793991612,2cyclictest167098-21latency_hist11:25:002
4006793991612,2cyclictest0-21swapper/208:15:002
4006793991611,3cyclictest22143-21sh09:50:152
4006793991610,5cyclictest46107-21kthreadcore10:05:192
4006789991613,2cyclictest729-21sshd12:22:271
4006789991613,2cyclictest4076010-21fschecks_count08:05:141
4006789991610,5cyclictest50340-21kworker/u8:0-rpciod10:25:231
400678699162,12cyclictest4185395-21ssh09:30:110
4006786991613,2cyclictest851-21cron08:45:000
4006786991613,2cyclictest752-21runrttasks10:00:170
4006786991613,2cyclictest75058-21idleruntime-cro10:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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