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2026-03-12 - 23:26
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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 rack1slot1.osadl.org (updated Thu Mar 12, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302712232157,23sleep00-21swapper/007:06:230
303502213150,23sleep20-21swapper/207:07:252
302202205150,22sleep10-21swapper/107:05:441
304062199160,25sleep30-21swapper/307:08:113
92012640,0sleep10-21swapper/107:30:121
98582590,0sleep10-21swapper/111:35:541
49952500,1sleep13064099cyclictest10:50:001
160662460,0sleep20-21swapper/211:45:122
30650991616,0cyclictest28-21ksoftirqd/211:04:042
30650991515,0cyclictest28-21ksoftirqd/212:06:362
30650991515,0cyclictest28-21ksoftirqd/211:54:352
30650991515,0cyclictest28-21ksoftirqd/210:57:172
30650991515,0cyclictest28-21ksoftirqd/210:57:172
30650991515,0cyclictest28-21ksoftirqd/210:48:392
30650991515,0cyclictest28-21ksoftirqd/210:21:202
30650991515,0cyclictest28-21ksoftirqd/210:02:252
30650991515,0cyclictest28-21ksoftirqd/209:59:382
30650991515,0cyclictest28-21ksoftirqd/209:31:262
30650991515,0cyclictest28-21ksoftirqd/209:18:312
30630991511,3cyclictest9-21ksoftirqd/010:15:000
30650991414,0cyclictest28-21ksoftirqd/212:29:392
30650991414,0cyclictest28-21ksoftirqd/212:21:042
30650991414,0cyclictest28-21ksoftirqd/211:43:572
30650991414,0cyclictest28-21ksoftirqd/211:37:542
30650991414,0cyclictest28-21ksoftirqd/210:42:402
30650991414,0cyclictest28-21ksoftirqd/210:35:272
30650991414,0cyclictest28-21ksoftirqd/210:29:162
30650991414,0cyclictest28-21ksoftirqd/210:09:502
30650991414,0cyclictest28-21ksoftirqd/209:35:252
30650991414,0cyclictest28-21ksoftirqd/209:29:482
30650991414,0cyclictest28-21ksoftirqd/209:22:062
30650991413,1cyclictest28-21ksoftirqd/211:30:322
30650991413,1cyclictest28-21ksoftirqd/209:52:102
3065099135,7cyclictest28-21ksoftirqd/211:05:402
30650991313,0cyclictest28-21ksoftirqd/212:33:312
30650991313,0cyclictest28-21ksoftirqd/210:19:282
30650991313,0cyclictest28-21ksoftirqd/209:48:062
30650991313,0cyclictest28-21ksoftirqd/209:43:262
30650991312,1cyclictest28-21ksoftirqd/211:56:002
30650991312,1cyclictest28-21ksoftirqd/210:31:392
30650991311,1cyclictest26466-21ntp_states08:05:182
30630991311,1cyclictest9-21ksoftirqd/008:15:000
3065099125,6cyclictest28-21ksoftirqd/210:52:082
30650991212,0cyclictest28-21ksoftirqd/212:01:592
30650991211,1cyclictest28-21ksoftirqd/212:38:242
30630991211,1cyclictest9-21ksoftirqd/010:20:000
30630991211,1cyclictest9-21ksoftirqd/009:19:590
30630991210,1cyclictest13210-21cron07:40:000
3065099119,2cyclictest28-21ksoftirqd/210:10:472
3065099114,6cyclictest28-21ksoftirqd/211:10:042
3065099113,8cyclictest28-21ksoftirqd/211:26:442
30650991111,0cyclictest28-21ksoftirqd/211:20:182
30650991111,0cyclictest28-21ksoftirqd/209:11:562
30650991111,0cyclictest28-21ksoftirqd/209:07:032
30650991110,1cyclictest28-21ksoftirqd/212:15:102
3063099119,1cyclictest9-21ksoftirqd/011:20:000
3063099119,1cyclictest9-21ksoftirqd/011:10:010
3063099119,1cyclictest9-21ksoftirqd/009:45:000
30630991110,1cyclictest9-21ksoftirqd/011:40:000
30630991110,1cyclictest9-21ksoftirqd/007:35:000
3063099111,5cyclictest25115-21latency_hist08:05:010
3065099108,1cyclictest7232-21apt-get08:35:112
3065099105,5cyclictest28-21ksoftirqd/212:10:122
3065099103,7cyclictest28-21ksoftirqd/207:21:322
3065099102,0cyclictest28-21ksoftirqd/211:15:422
3063099109,1cyclictest9-21ksoftirqd/012:25:000
3063099109,1cyclictest9-21ksoftirqd/010:25:000
3063099109,1cyclictest9-21ksoftirqd/009:15:000
3063099109,1cyclictest9-21ksoftirqd/008:00:010
3063099108,1cyclictest9-21ksoftirqd/011:35:000
3063099108,1cyclictest9-21ksoftirqd/009:35:120
3063099108,1cyclictest9-21ksoftirqd/008:25:000
3063099108,1cyclictest9-21ksoftirqd/007:15:020
30630991010,0cyclictest9-21ksoftirqd/011:55:010
3063099101,4cyclictest8513-21munin-run07:30:000
306589990,4cyclictest0-21swapper/310:00:103
306509999,0cyclictest28-21ksoftirqd/209:01:432
306509999,0cyclictest28-21ksoftirqd/207:35:192
306509999,0cyclictest28-21ksoftirqd/207:10:112
306509998,1cyclictest28-21ksoftirqd/208:55:012
306509998,1cyclictest28-21ksoftirqd/208:25:012
306509998,1cyclictest28-21ksoftirqd/208:20:102
306509997,1cyclictest28-21ksoftirqd/208:15:112
306509992,7cyclictest28-21ksoftirqd/208:49:202
306509992,7cyclictest28-21ksoftirqd/208:04:542
306509992,7cyclictest28-21ksoftirqd/207:50:142
306509992,0cyclictest28-21ksoftirqd/208:50:202
306509991,8cyclictest28-21ksoftirqd/208:12:092
306309998,1cyclictest9-21ksoftirqd/012:05:010
306309998,1cyclictest9-21ksoftirqd/011:20:130
306309997,1cyclictest9-21ksoftirqd/011:15:000
306309997,1cyclictest9-21ksoftirqd/009:50:130
306309997,1cyclictest9-21ksoftirqd/009:10:010
306309997,1cyclictest9-21ksoftirqd/009:00:000
306589983,3cyclictest561-21nscd10:54:473
306509980,8cyclictest28-21ksoftirqd/208:40:042
306509980,8cyclictest28-21ksoftirqd/207:55:102
306509980,8cyclictest28-21ksoftirqd/207:45:172
306509980,8cyclictest28-21ksoftirqd/207:40:102
306509980,8cyclictest28-21ksoftirqd/207:30:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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