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2026-07-24 - 09:21
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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 Fri Jul 24, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146302720,1sleep09-21ksoftirqd/021:06:470
62272580,0sleep50-21swapper/523:06:505
40892510,0sleep30-21swapper/322:19:223
271402490,0sleep50-21swapper/522:44:155
159482480,0sleep60-21swapper/623:49:286
153462480,0sleep00-21swapper/022:34:330
91682470,0sleep50-21swapper/523:38:055
130932470,1sleep125-21ksoftirqd/100:16:461
258392460,1sleep341-21ksoftirqd/321:16:593
126742460,0sleep10-21swapper/121:38:031
56692450,0sleep00-21swapper/023:30:390
325762450,1sleep332577-21systemd-cgroups21:13:463
279102450,0sleep50-21swapper/521:35:195
176082450,0sleep60-21swapper/600:24:206
131082450,0sleep30-21swapper/300:11:193
128602450,0sleep3391rcuc/323:14:323
192372440,0sleep0111rcuc/023:11:170
154532440,0sleep30-21swapper/323:11:043
268562430,0sleep60-21swapper/621:53:226
162552430,0sleep40-21swapper/421:45:354
72782420,0sleep40-21swapper/422:57:444
588224223,15sleep60-21swapper/619:05:476
588224223,15sleep60-21swapper/619:05:476
227982420,0sleep00-21swapper/000:30:060
184082420,0sleep40-21swapper/423:05:444
125842420,0sleep20-21swapper/221:28:592
577524130,8sleep20-21swapper/219:04:142
577524130,8sleep20-21swapper/219:04:142
576024128,9sleep50-21swapper/519:04:015
576024128,9sleep50-21swapper/519:04:015
567224129,9sleep30-21swapper/319:02:553
567224129,9sleep30-21swapper/319:02:553
4792410,0sleep50-21swapper/521:48:165
250002410,0sleep70-21swapper/722:40:337
204702410,0sleep09-21ksoftirqd/020:26:430
200782410,1sleep3758-21runrttasks22:11:133
111812410,0sleep40-21swapper/422:01:374
80452400,0sleep10-21swapper/123:08:461
577324028,8sleep00-21swapper/019:04:120
577324028,8sleep00-21swapper/019:04:120
572824027,9sleep40-21swapper/419:03:364
572824027,9sleep40-21swapper/419:03:364
30812400,0sleep40-21swapper/400:28:584
268542400,0sleep00-21swapper/000:35:510
19112400,1sleep31-21systemd21:31:573
130282400,1sleep41-21systemd23:49:174
563223926,9sleep10-21swapper/119:02:211
563223926,9sleep10-21swapper/119:02:211
562923927,8sleep70-21swapper/719:02:197
562923927,8sleep70-21swapper/719:02:197
255912390,0sleep50-21swapper/500:04:405
255912390,0sleep50-21swapper/500:04:405
132692370,0sleep50-21swapper/523:16:275
252872330,0sleep30-21swapper/321:40:383
607799238,1cyclictest25-21ksoftirqd/100:26:321
6077992211,1cyclictest25-21ksoftirqd/122:53:451
72682210,0sleep20-21swapper/223:23:202
72682210,0sleep20-21swapper/223:23:202
607799216,2cyclictest25-21ksoftirqd/122:56:491
609099208,1cyclictest41-21ksoftirqd/323:00:143
609099207,3cyclictest41-21ksoftirqd/323:49:003
609099200,2cyclictest11555-21sshd22:25:143
607799209,1cyclictest25-21ksoftirqd/122:28:171
607799208,3cyclictest25-21ksoftirqd/100:28:271
607799207,3cyclictest25-21ksoftirqd/123:48:421
607799207,1cyclictest25-21ksoftirqd/100:09:311
6077992017,3cyclictest25-21ksoftirqd/121:48:201
76072190,0sleep20-21swapper/223:19:442
609099197,3cyclictest41-21ksoftirqd/300:25:543
609099197,2cyclictest41-21ksoftirqd/300:26:533
607799198,3cyclictest25-21ksoftirqd/122:06:201
607799197,2cyclictest25-21ksoftirqd/122:36:591
607799192,2cyclictest25-21ksoftirqd/121:18:581
607799191,1cyclictest25-21ksoftirqd/122:13:471
50892190,0sleep50-21swapper/521:12:125
609099189,2cyclictest41-21ksoftirqd/300:20:473
609099187,2cyclictest41-21ksoftirqd/323:33:053
6090991817,1cyclictest391rcuc/321:21:393
6090991814,2cyclictest41-21ksoftirqd/322:47:333
609099181,1cyclictest0-21swapper/321:52:343
609099180,3cyclictest0-21swapper/322:55:473
609099180,3cyclictest0-21swapper/322:03:253
607799188,1cyclictest25-21ksoftirqd/123:13:211
607799185,4cyclictest25-21ksoftirqd/121:21:421
607799185,1cyclictest25-21ksoftirqd/122:43:091
6077991816,1cyclictest25-21ksoftirqd/121:34:151
6077991816,1cyclictest25-21ksoftirqd/121:11:021
6077991814,1cyclictest25-21ksoftirqd/121:12:551
6077991811,4cyclictest25-21ksoftirqd/121:58:201
92982170,1sleep09296-21grepconf.sh21:59:410
609699173,2cyclictest12850-21grepconf.sh00:16:455
609099177,3cyclictest41-21ksoftirqd/323:22:103
609099177,3cyclictest41-21ksoftirqd/323:22:103
609099177,3cyclictest41-21ksoftirqd/322:28:293
609099176,2cyclictest41-21ksoftirqd/300:13:343
6090991715,1cyclictest41-21ksoftirqd/323:29:513
6090991715,1cyclictest41-21ksoftirqd/300:33:353
609099170,2cyclictest0-21swapper/300:02:253
609099170,2cyclictest0-21swapper/300:02:253
607799177,1cyclictest25-21ksoftirqd/122:47:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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