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2026-04-13 - 06:29
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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
Characteristics of the 100 highest latencies:
System rack2slot0.osadl.org (updated Mon Apr 13, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1195121000,0sleep30-21swapper/322:55:523
223562770,0sleep30-21swapper/321:39:223
99192620,0sleep30-21swapper/321:49:233
286172550,0sleep10-21swapper/122:35:111
111462550,1sleep23199799cyclictest22:25:192
286782530,0sleep00-21swapper/021:53:450
114982530,0sleep10-21swapper/100:16:211
161432520,0sleep00-21swapper/021:55:210
313072510,0sleep20-21swapper/223:08:412
83222500,0sleep30-21swapper/323:09:303
136082500,0sleep10-21swapper/121:38:361
311782490,0sleep10-21swapper/123:16:571
285492490,0sleep0111rcuc/022:15:440
320892470,0sleep20-21swapper/222:54:552
288582470,0sleep30-21swapper/322:18:353
159172450,0sleep20-21swapper/200:00:072
157712440,2sleep13199099cyclictest21:33:151
57902430,0sleep20-21swapper/221:32:042
51572420,2sleep23199799cyclictest00:26:562
259502420,2sleep13199099cyclictest22:34:591
123472410,1sleep2321ktimersoftd/221:21:032
108802390,0sleep30-21swapper/323:45:433
176512370,0sleep20-21swapper/222:14:542
317352308,7sleep20-21swapper/219:08:182
3155522816,7sleep10-21swapper/119:06:051
3153422812,11sleep00-21swapper/019:05:480
3157222210,7sleep30-21swapper/319:06:193
78092180,0sleep30-21swapper/323:01:053
3200699184,6cyclictest674-21dbus-daemon22:30:073
3200699180,16cyclictest13488-21grepconf.sh00:16:313
25022180,0sleep00-21swapper/000:26:410
62332170,0sleep10-21swapper/100:29:501
31990991716,0cyclictest16357-21lspci21:52:401
310662170,1sleep231064-21lspci21:45:342
236962170,1sleep30-21swapper/323:21:523
176572170,0sleep00-21swapper/021:13:560
165342170,1sleep0111rcuc/023:35:100
149682170,1sleep014961-21sshd21:17:280
190042160,1sleep119009-21bash23:40:521
156182160,1sleep30-21swapper/300:30:323
153382160,0sleep20-21swapper/219:45:172
3200699153,5cyclictest649-21polkitd22:52:413
3200699150,6cyclictest21007-21id23:18:533
3200699150,6cyclictest19576-21sshd21:41:523
3200699150,6cyclictest17271-21sshd23:26:513
3200699150,4cyclictest0-21swapper/322:43:213
3200699150,14cyclictest29979-21gdbus21:55:213
31990991514,0cyclictest2242-21lspci23:22:481
3199099150,14cyclictest15236-21kworker/1:423:04:071
31984991513,1cyclictest674-21dbus-daemon22:27:320
126442150,0sleep00-21swapper/022:14:280
88502140,0sleep2311rcuc/222:36:122
61422140,0sleep00-21swapper/000:24:170
321752140,2sleep132178-21grep21:19:381
3200699148,5cyclictest770-21grepconf.sh22:21:413
3200699140,8cyclictest1-21systemd22:14:383
3200699140,6cyclictest699-21gdbus23:34:513
3200699140,6cyclictest5440-21sshd22:47:013
3200699140,6cyclictest17921-21sshd21:33:263
3200699140,6cyclictest1-21systemd00:08:393
3200699140,6cyclictest12101-21bash00:13:403
3200699140,5cyclictest18323-21sshd00:36:213
3200699140,0cyclictest0-21swapper/321:53:513
310242140,0sleep0111rcuc/000:18:040
238922140,0sleep20-21swapper/222:23:432
147822140,0sleep20-21swapper/200:30:272
68852130,0sleep20-21swapper/221:51:512
326592130,0sleep20-21swapper/222:46:342
3200699130,7cyclictest30569-21grep00:23:353
3200699130,6cyclictest674-21dbus-daemon23:53:453
3200699130,6cyclictest649-21polkitd23:36:083
3200699130,6cyclictest3377-21tty22:02:363
3200699130,6cyclictest30685-21bash00:26:193
3200699130,6cyclictest22920-21sshd22:26:213
3200699130,6cyclictest1-21systemd22:37:553
3200699130,6cyclictest1-21systemd22:07:163
3199799130,1cyclictest7430-21tty22:30:322
3199799130,1cyclictest19191-21bash00:19:522
31990991313,0cyclictest241ktimersoftd/121:21:241
31990991312,0cyclictest26149-21lspci21:26:401
31990991312,0cyclictest19426-21lspci00:03:121
31990991311,1cyclictest25-21ksoftirqd/121:48:311
31984991311,1cyclictest0-21swapper/023:44:420
3200699129,2cyclictest0-21swapper/319:45:213
3200699122,5cyclictest29834-21lspci23:14:063
3200699120,6cyclictest674-21dbus-daemon21:11:253
3200699120,6cyclictest4029-21sshd00:01:503
3200699120,6cyclictest23901-21sshd23:41:183
3200699120,0cyclictest0-21swapper/319:11:513
31997991211,0cyclictest0-21swapper/222:06:222
31997991210,1cyclictest31962-21lspci23:55:522
3199799120,11cyclictest0-21swapper/222:01:522
3199099123,1cyclictest25-21ksoftirqd/123:30:491
31990991211,0cyclictest31713-21lspci00:20:511
31990991211,0cyclictest27945-21lspci22:46:091
31990991211,0cyclictest241ktimersoftd/123:37:561
3199099120,1cyclictest9705-21lspci22:28:021
31984991210,1cyclictest7107-21grep00:38:120
3198499120,11cyclictest1728-21sshd00:10:020
3198499120,11cyclictest0-21swapper/021:46:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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