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2024-11-24 - 23:13
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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 all highest latencies:
System rackcslot4.osadl.org (updated Sun Nov 24, 2024 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26986602266191,44sleep00-21swapper/007:05:330
26989172264191,28sleep10-21swapper/107:08:181
113399670,4rtkit-daemon2800101-21ssh10:14:040
113399630,3rtkit-daemon1132-21rtkit-daemon12:39:111
27693432590,5sleep12769347-21gltestperf09:35:181
28637832540,4sleep1251rcuc/111:35:141
113399500,3rtkit-daemon1132-21rtkit-daemon09:01:070
28328502480,4sleep12832847-21sed10:55:181
28539052440,1chrt2853904-21sshd11:21:360
28006412440,2sleep10-21swapper/110:15:011
113399440,3rtkit-daemon0-21swapper/111:31:031
28286182410,4chrt0-21swapper/110:50:181
2699243994120,4cyclictest26-21ksoftirqd/107:30:001
27439532390,8chrt3270268-20systemd-journal09:00:001
113399390,4rtkit-daemon2841853-21ssh11:06:040
113399390,3rtkit-daemon0-21swapper/112:10:201
269924199371,13cyclictest2796292-21python310:10:010
113399370,3rtkit-daemon0-21swapper/112:26:491
113399370,3rtkit-daemon0-21swapper/011:45:270
113399370,3rtkit-daemon0-21swapper/010:00:250
2699243993634,1cyclictest0-21swapper/108:25:161
2699243993610,3cyclictest26-21ksoftirqd/111:50:111
269924199360,13cyclictest28806892ls11:55:310
113399360,3rtkit-daemon0-21swapper/110:33:341
113399360,3rtkit-daemon0-21swapper/108:34:120
2699243993512,4cyclictest26-21ksoftirqd/109:51:311
113399350,4rtkit-daemon1132-21rtkit-daemon11:29:121
113399350,4rtkit-daemon1132-21rtkit-daemon07:25:230
113399350,3rtkit-daemon0-21swapper/109:30:431
113399350,3rtkit-daemon0-21swapper/107:32:451
113399350,3rtkit-daemon0-21swapper/011:50:080
113399350,3rtkit-daemon0-21swapper/008:51:050
113399350,3rtkit-daemon0-21swapper/008:40:330
269924399349,4cyclictest26-21ksoftirqd/111:08:161
113399340,4rtkit-daemon1132-21rtkit-daemon10:43:161
113399340,4rtkit-daemon1132-21rtkit-daemon09:16:471
113399340,3rtkit-daemon0-21swapper/109:14:020
113399340,3rtkit-daemon0-21swapper/108:41:471
269924399332,9cyclictest26-21ksoftirqd/109:50:011
2699243993312,3cyclictest26-21ksoftirqd/111:23:241
2699243993311,4cyclictest26-21ksoftirqd/110:25:251
2699243993310,4cyclictest26-21ksoftirqd/112:19:401
113399330,4rtkit-daemon1132-21rtkit-daemon12:07:481
113399330,3rtkit-daemon1132-21rtkit-daemon11:19:381
113399330,3rtkit-daemon0-21swapper/110:50:270
113399330,3rtkit-daemon0-21swapper/110:34:540
113399330,3rtkit-daemon0-21swapper/109:33:310
269924399326,10cyclictest26-21ksoftirqd/110:19:551
2699243993214,4cyclictest26-21ksoftirqd/111:46:071
2699243993213,4cyclictest26-21ksoftirqd/109:41:121
2699243993211,4cyclictest26-21ksoftirqd/112:30:071
269924399321,10cyclictest26-21ksoftirqd/107:35:021
2699243993210,4cyclictest26-21ksoftirqd/112:21:001
2699243993210,4cyclictest26-21ksoftirqd/109:56:081
2699243993210,4cyclictest26-21ksoftirqd/109:10:021
113399320,4rtkit-daemon1132-21rtkit-daemon10:39:071
113399320,4rtkit-daemon1132-21rtkit-daemon07:42:040
113399320,3rtkit-daemon1132-21rtkit-daemon10:20:420
113399320,3rtkit-daemon1132-21rtkit-daemon07:12:270
113399320,3rtkit-daemon0-21swapper/111:39:540
113399320,3rtkit-daemon0-21swapper/009:07:191
113399320,3rtkit-daemon0-21swapper/008:04:511
269924399317,4cyclictest26-21ksoftirqd/111:44:491
2699243993124,5cyclictest2881417-21sh11:56:391
2699243993112,3cyclictest26-21ksoftirqd/110:01:161
2699243993111,4cyclictest26-21ksoftirqd/111:14:411
2699243993111,4cyclictest26-21ksoftirqd/109:20:041
2699243993111,3cyclictest26-21ksoftirqd/108:14:361
2699243993110,4cyclictest26-21ksoftirqd/112:02:591
2699243993110,4cyclictest26-21ksoftirqd/110:46:561
113399310,3rtkit-daemon0-21swapper/111:28:530
113399310,3rtkit-daemon0-21swapper/110:43:040
113399310,3rtkit-daemon0-21swapper/108:23:560
113399310,3rtkit-daemon0-21swapper/010:20:351
113399310,1rtkit-daemon1132-21rtkit-daemon09:44:200
269924399308,3cyclictest26-21ksoftirqd/110:05:121
2699243993011,4cyclictest26-21ksoftirqd/111:04:481
2699243993011,4cyclictest26-21ksoftirqd/109:28:021
113399300,3rtkit-daemon0-21swapper/112:13:480
113399300,3rtkit-daemon0-21swapper/109:26:030
113399300,3rtkit-daemon0-21swapper/008:35:321
113399300,3rtkit-daemon0-21swapper/008:34:411
269924399299,4cyclictest26-21ksoftirqd/108:15:211
269924399290,8cyclictest2716479-21apt-get07:50:131
113399290,3rtkit-daemon0-21swapper/112:33:050
113399290,3rtkit-daemon0-21swapper/109:18:270
113399290,25rtkit-daemon778-21wpa_supplicant08:48:381
269924399288,4cyclictest26-21ksoftirqd/109:00:011
2699243992813,2cyclictest141rcu_preempt08:05:241
2699243992810,3cyclictest26-21ksoftirqd/107:59:011
113399280,3rtkit-daemon0-21swapper/109:52:360
113399280,3rtkit-daemon0-21swapper/007:45:011
113399280,23rtkit-daemon2699233-21cyclictest08:50:161
2699243992714,4cyclictest26-21ksoftirqd/107:15:021
2699241992723,2cyclictest28627922sleep011:33:390
113399270,3rtkit-daemon0-21swapper/007:44:051
28014932260,4chrt2801480-21latency10:15:200
2699243992611,2cyclictest141rcu_preempt08:24:381
269924199260,7cyclictest0-21swapper/009:49:580
113399260,3rtkit-daemon0-21swapper/110:57:030
113399260,1rtkit-daemon1132-21rtkit-daemon08:36:060
269924399259,2cyclictest141rcu_preempt07:20:591
2699241992511,9cyclictest2870785-1kworker/u9:212:20:130
113399250,4rtkit-daemon1132-21rtkit-daemon10:45:360
113399250,14rtkit-daemon2784743-21apt-get09:55:140
2699243992418,4cyclictest26-21ksoftirqd/107:15:001
2699241992412,7cyclictest2870785-1kworker/u9:212:25:120
269924199240,6cyclictest0-21swapper/008:26:010
27167432230,2sleep02715914-21apt-get07:50:200
269924199232,13cyclictest2768946-21apt-get09:35:140
113399230,1rtkit-daemon1132-21rtkit-daemon11:00:590
113399230,1rtkit-daemon1132-21rtkit-daemon09:06:500
269924199222,14cyclictest2703833-21apt-get07:20:140
2699241992212,8cyclictest744-21dbus-daemon08:55:230
113399220,4rtkit-daemon1132-21rtkit-daemon07:36:000
113399220,14rtkit-daemon2870362-21ssh11:43:110
113399220,14rtkit-daemon0-21swapper/008:17:080
113399220,14rtkit-daemon0-21swapper/008:05:120
113399220,14rtkit-daemon0-21swapper/008:02:500
113399220,14rtkit-daemon0-21swapper/007:15:590
269924199212,13cyclictest2816648-21apt-get10:35:130
269924199212,13cyclictest2724302-21apt-get08:10:130
2699241992113,6cyclictest2895500-21seq12:15:030
269924199210,18cyclictest2914497-21ssh12:39:000
113399210,1rtkit-daemon1132-21rtkit-daemon08:48:440
113399210,17rtkit-daemon0-21swapper/012:01:530
113399210,13rtkit-daemon0-21swapper/007:56:360
113399210,13rtkit-daemon0-21swapper/007:49:110
2699241992014,4cyclictest2847974-21/usr/sbin/munin11:15:210
2699241992012,6cyclictest2810481-21seq10:26:190
269924199198,2cyclictest141rcu_preempt11:10:230
2699241991913,4cyclictest2760389-21rm09:24:430
2699241991812,4cyclictest2888048-21ntp_kernel_err12:05:210
269924199181,12cyclictest2708030-21appstreamcli07:30:080
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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