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2026-07-26 - 16:00
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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 rack3slot0.osadl.org (updated Sun Jul 26, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290572970,0sleep70-21swapper/712:13:277
154512960,1sleep125-21ksoftirqd/111:18:101
272272920,2sleep72656899cyclictest12:09:427
58442830,0sleep50-21swapper/511:28:315
321892750,2sleep02652999cyclictest10:41:090
264342740,0sleep40-21swapper/410:06:294
48632720,2sleep02652999cyclictest09:39:580
46062710,0sleep50-21swapper/509:57:575
2622825227,8sleep40-21swapper/407:04:284
320472490,0sleep60-21swapper/611:37:136
108812480,1sleep010884-21sshd11:08:480
73652470,0sleep70-21swapper/710:12:337
3722470,0sleep40-21swapper/409:10:474
103382470,1sleep39929-21sshd12:28:523
232932460,0sleep30-21swapper/311:54:563
232932460,0sleep30-21swapper/311:54:563
278322450,1sleep4756-21sshd12:20:444
261202450,2sleep62656099cyclictest10:49:486
307912440,0sleep10-21swapper/111:39:011
287612440,0sleep30-21swapper/311:15:163
221892440,0sleep20-21swapper/211:47:352
187182440,2sleep32654699cyclictest11:58:173
187182440,2sleep32654699cyclictest11:58:173
312422430,0sleep50-21swapper/509:36:035
24702430,0sleep70-21swapper/711:31:547
36322420,1sleep10-21swapper/110:17:471
293042420,0sleep729272-21sshd11:09:517
263962420,1sleep126399-21tr12:31:391
2613024230,8sleep00-21swapper/007:03:040
20532420,0sleep40-21swapper/411:01:074
175992420,0sleep60-21swapper/611:23:446
175442420,0sleep30-21swapper/307:46:383
137332420,2sleep32654699cyclictest10:16:373
2609624129,9sleep60-21swapper/607:02:386
239492410,0sleep20-21swapper/212:33:162
221682410,1sleep01-21systemd10:02:330
285132400,0sleep70-21swapper/709:24:597
2630124028,8sleep20-21swapper/207:05:222
2629124028,9sleep10-21swapper/107:05:131
2624924028,8sleep70-21swapper/707:04:477
2608624028,8sleep50-21swapper/507:02:295
78622390,0sleep40-21swapper/411:17:414
187612390,0sleep20-21swapper/209:33:272
91252380,2sleep02652999cyclictest11:25:060
275692380,0sleep30-21swapper/310:48:013
2604623825,9sleep30-21swapper/307:01:553
234632380,0sleep30-21swapper/310:06:203
189422380,0sleep118940-21systemd-cgroups10:25:561
176412360,0sleep30-21swapper/311:16:283
146372350,0sleep20-21swapper/209:54:582
163442320,0sleep60-21swapper/610:45:406
72362310,0sleep50-21swapper/510:34:175
2652999220,14cyclictest25413-21kworker/0:409:56:370
141562220,1sleep314132-21sshd10:38:163
2653499218,2cyclictest33-21ksoftirqd/212:04:092
2653499218,1cyclictest33-21ksoftirqd/211:39:442
26534992114,4cyclictest33-21ksoftirqd/209:21:272
180982210,1sleep518097-21bash09:18:575
26534992018,2cyclictest33-21ksoftirqd/212:17:072
26534992014,3cyclictest33-21ksoftirqd/210:41:092
26534992011,3cyclictest33-21ksoftirqd/212:24:112
130432200,0sleep10-21swapper/110:34:371
26534991919,0cyclictest33-21ksoftirqd/209:42:442
26534991917,1cyclictest464-21systemd-journal12:16:272
26534991917,1cyclictest33-21ksoftirqd/211:06:472
26534991917,1cyclictest33-21ksoftirqd/211:06:222
26534991917,1cyclictest33-21ksoftirqd/211:06:222
26534991915,3cyclictest33-21ksoftirqd/210:12:462
26534991913,3cyclictest33-21ksoftirqd/210:06:342
114772190,0sleep20-21swapper/209:27:352
2653499183,1cyclictest33-21ksoftirqd/209:58:202
26534991816,1cyclictest464-21systemd-journal12:27:052
26534991816,1cyclictest33-21ksoftirqd/210:05:082
26534991813,4cyclictest464-21systemd-journal11:33:052
2653499180,17cyclictest14653-21kworker/2:110:19:372
2653499177,3cyclictest33-21ksoftirqd/209:08:542
2653499176,1cyclictest33-21ksoftirqd/212:10:122
2653499174,2cyclictest131rcu_sched10:21:312
2653499173,3cyclictest33-21ksoftirqd/211:17:402
26534991715,1cyclictest464-21systemd-journal09:25:592
26534991714,3cyclictest33-21ksoftirqd/209:38:252
26534991714,2cyclictest33-21ksoftirqd/211:41:422
26534991713,1cyclictest33-21ksoftirqd/211:30:352
26534991710,5cyclictest33-21ksoftirqd/210:51:132
2653499171,1cyclictest33-21ksoftirqd/210:59:592
2653499170,1cyclictest131rcu_sched10:52:452
2653099170,16cyclictest0-21swapper/112:18:081
163522170,2sleep42655199cyclictest11:05:324
163522170,2sleep42655199cyclictest11:05:324
2653499168,1cyclictest33-21ksoftirqd/210:41:422
26534991614,1cyclictest33-21ksoftirqd/211:51:322
26534991614,1cyclictest33-21ksoftirqd/211:51:322
26534991614,1cyclictest33-21ksoftirqd/210:33:352
26534991614,1cyclictest33-21ksoftirqd/209:14:322
26534991613,1cyclictest33-21ksoftirqd/211:58:442
26534991613,1cyclictest33-21ksoftirqd/211:58:442
26534991613,1cyclictest33-21ksoftirqd/210:26:522
26534991612,1cyclictest33-21ksoftirqd/211:23:412
228032160,2sleep32654699cyclictest09:44:343
189182160,2sleep42655199cyclictest09:49:474
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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