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2026-06-12 - 01:42
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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 Jun 12, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308572840,0sleep10-21swapper/122:14:211
77812830,1sleep71-21systemd21:09:087
181932760,2sleep71871599cyclictest21:27:107
235412640,1sleep341-21ksoftirqd/323:12:383
276582590,1sleep773-21ksoftirqd/721:49:047
276582590,1sleep773-21ksoftirqd/721:49:047
58762580,2sleep01868999cyclictest21:13:170
207652580,10sleep685150irq/25-em1-rx-023:49:096
5212560,0sleep60-21swapper/623:38:206
321652540,1sleep032160-21systemd22:10:360
144572540,2sleep71871599cyclictest21:13:407
280642530,0sleep30-21swapper/321:14:323
232522530,0sleep20-21swapper/221:35:142
317232520,2sleep41869399cyclictest22:45:324
1608725240,8sleep30-21swapper/319:03:093
115972510,0sleep70-21swapper/723:00:087
313642490,0sleep60-21swapper/623:45:576
1846424925,9sleep50-21swapper/519:06:405
136902490,0sleep40-21swapper/423:54:364
136902490,0sleep40-21swapper/423:54:364
1856524825,8sleep10-21swapper/119:08:041
1839424825,8sleep20-21swapper/219:05:412
180342480,0sleep30-21swapper/322:54:363
142932480,0sleep30-21swapper/323:50:423
31362470,1sleep1231rcuc/122:28:071
249502470,1sleep424954-21bash21:21:544
176692470,0sleep10-21swapper/100:35:331
200652460,1sleep116622-21kworker/u16:021:12:141
11632460,0sleep40-21swapper/421:10:574
290172450,0sleep20-21swapper/223:14:452
1852624533,8sleep00-21swapper/019:07:310
1836824432,9sleep70-21swapper/719:05:217
1833024431,9sleep40-21swapper/419:04:544
166322440,1sleep3758-21runrttasks00:15:573
73002430,0sleep50-21swapper/523:59:575
311922420,0sleep4758-21runrttasks21:27:554
291782420,0sleep30-21swapper/322:45:233
215162420,0sleep70-21swapper/722:50:397
215162420,0sleep70-21swapper/722:50:397
188822420,0sleep50-21swapper/523:53:015
151962420,0sleep50-21swapper/523:39:075
148842420,0sleep10-21swapper/123:48:481
122832420,0sleep40-21swapper/422:11:204
118022420,0sleep00-21swapper/021:32:230
264582410,0sleep20-21swapper/221:23:442
244762410,0sleep30-21swapper/322:27:293
165612410,0sleep60-21swapper/621:42:396
97032400,0sleep20-21swapper/219:48:162
297612400,0sleep129762-21systemd-cgroups21:45:221
286692400,0sleep70-21swapper/721:18:217
181872400,0sleep60-21swapper/600:29:386
89532390,0sleep60-21swapper/621:32:136
66002390,0sleep10-21swapper/122:55:541
1855023926,9sleep60-21swapper/619:07:536
9032380,0sleep40-21swapper/423:34:254
41872370,2sleep61870999cyclictest22:32:046
204432370,0sleep50-21swapper/521:40:535
193902350,0sleep40-21swapper/423:39:224
1870199268,1cyclictest57-21ksoftirqd/523:01:445
18701992210,3cyclictest57-21ksoftirqd/522:58:035
212442210,0sleep10-21swapper/123:04:351
18709992116,4cyclictest65-21ksoftirqd/622:16:106
112812200,2sleep4481ktimersoftd/423:19:284
61932190,1sleep46186-21sshd22:30:104
1870199199,1cyclictest57-21ksoftirqd/522:21:385
1870199197,1cyclictest57-21ksoftirqd/500:20:055
1870199192,3cyclictest57-21ksoftirqd/522:35:535
1870199192,1cyclictest57-21ksoftirqd/500:24:305
18701991917,1cyclictest57-21ksoftirqd/522:30:495
18701991917,1cyclictest57-21ksoftirqd/521:31:175
18701991916,3cyclictest57-21ksoftirqd/500:10:195
18701991915,1cyclictest57-21ksoftirqd/523:44:475
18701991914,4cyclictest57-21ksoftirqd/521:20:325
18701991914,1cyclictest57-21ksoftirqd/523:03:285
18701991913,3cyclictest57-21ksoftirqd/522:08:065
18701991913,3cyclictest57-21ksoftirqd/521:27:545
1869099199,2cyclictest25-21ksoftirqd/123:15:311
18690991915,3cyclictest25-21ksoftirqd/121:28:561
18689991915,3cyclictest9-21ksoftirqd/021:35:390
249202180,0sleep70-21swapper/700:22:267
222992180,0sleep20-21swapper/200:26:052
1870999184,3cyclictest65-21ksoftirqd/600:22:506
18709991817,1cyclictest65-21ksoftirqd/622:08:426
18709991814,3cyclictest65-21ksoftirqd/621:26:186
18709991813,3cyclictest65-21ksoftirqd/600:23:536
1870999181,4cyclictest65-21ksoftirqd/622:44:426
18701991816,1cyclictest57-21ksoftirqd/523:18:565
18701991815,2cyclictest57-21ksoftirqd/500:37:225
18701991815,1cyclictest57-21ksoftirqd/500:05:565
18701991814,3cyclictest57-21ksoftirqd/521:12:405
18701991813,3cyclictest57-21ksoftirqd/523:33:215
18690991817,1cyclictest25-21ksoftirqd/123:47:571
18690991816,1cyclictest25-21ksoftirqd/122:42:561
18690991813,3cyclictest25-21ksoftirqd/121:35:471
18690991813,2cyclictest25-21ksoftirqd/123:00:261
1869099180,17cyclictest7667-21kworker/1:522:07:231
272552170,0sleep60-21swapper/622:35:256
18715991715,1cyclictest73-21ksoftirqd/723:30:237
18709991715,1cyclictest65-21ksoftirqd/623:02:246
18709991714,3cyclictest65-21ksoftirqd/621:37:466
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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