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2026-07-28 - 03:58
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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 Tue Jul 28, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291172213158,43sleep00-21swapper/019:06:390
292002211174,24sleep10-21swapper/119:07:461
291032200160,26sleep30-21swapper/319:06:303
290872199160,26sleep20-21swapper/219:06:182
80722730,0sleep10-21swapper/121:35:001
235292570,0sleep30-21swapper/323:26:283
216912180,2sleep12945799cyclictest22:39:591
136322150,0sleep20-21swapper/221:40:212
110202150,1sleep3341rcuc/321:38:093
5312140,0sleep20-21swapper/222:10:082
2946899149,1cyclictest35-21ksoftirqd/322:45:143
2945799140,13cyclictest56-21kworker/1:120:25:461
2945799140,13cyclictest0-21swapper/119:20:101
2945799130,13cyclictest56-21kworker/1:123:36:051
2945799130,13cyclictest56-21kworker/1:121:10:301
2945799130,13cyclictest0-21swapper/123:13:391
2945799130,13cyclictest0-21swapper/122:40:051
2945799130,13cyclictest0-21swapper/122:28:531
2945799130,0cyclictest21-21ksoftirqd/100:09:391
2945799130,0cyclictest0-21swapper/122:51:181
2945799130,0cyclictest0-21swapper/100:32:031
29462991210,1cyclictest28-21ksoftirqd/220:20:012
2945799120,12cyclictest0-21swapper/122:17:421
2945799120,11cyclictest0-21swapper/119:15:461
2945799120,0cyclictest0-21swapper/122:06:291
2945799120,0cyclictest0-21swapper/120:03:211
2945799120,0cyclictest0-21swapper/119:29:451
29468991110,1cyclictest35-21ksoftirqd/322:55:013
29462991111,0cyclictest28-21ksoftirqd/200:05:012
29457991111,0cyclictest21-21ksoftirqd/123:43:051
29457991111,0cyclictest21-21ksoftirqd/123:28:511
2944999119,1cyclictest9-21ksoftirqd/022:55:000
2944999113,4cyclictest22345-21latency_hist21:09:590
29449991110,1cyclictest9-21ksoftirqd/023:25:220
29449991110,0cyclictest9-21ksoftirqd/000:35:170
2946899109,1cyclictest35-21ksoftirqd/321:50:003
2946899109,1cyclictest35-21ksoftirqd/321:45:003
2946899108,1cyclictest35-21ksoftirqd/323:00:013
2946899100,7cyclictest11301-21snmpd21:58:473
2946299109,1cyclictest28-21ksoftirqd/223:15:002
2946299109,1cyclictest28-21ksoftirqd/221:45:122
2946299100,7cyclictest9996-21kworker/u8:222:03:142
2946299100,6cyclictest61650irq/122-eno123:40:112
2945799108,1cyclictest21-21ksoftirqd/100:20:181
2945799108,1cyclictest111rcu_preempt00:10:181
2945799107,2cyclictest0-21swapper/100:35:111
2945799101,8cyclictest111rcu_preempt19:57:481
2944999109,1cyclictest9-21ksoftirqd/023:30:170
2944999109,1cyclictest9-21ksoftirqd/022:30:000
2944999109,1cyclictest9-21ksoftirqd/021:25:160
2944999109,1cyclictest9-21ksoftirqd/021:20:150
2944999108,1cyclictest9-21ksoftirqd/000:35:000
2944999107,3cyclictest9-21ksoftirqd/023:35:190
29449991010,0cyclictest9-21ksoftirqd/022:29:590
2944999101,5cyclictest561-21nscd22:05:350
2944999100,5cyclictest4825-21latency_hist19:25:010
2944999100,2cyclictest0-21swapper/023:05:120
190112100,0sleep022317-21diskmemload00:05:310
294689999,0cyclictest35-21ksoftirqd/322:34:593
294689999,0cyclictest35-21ksoftirqd/322:20:013
294689998,1cyclictest35-21ksoftirqd/322:00:133
294689998,1cyclictest35-21ksoftirqd/319:20:123
294689997,1cyclictest35-21ksoftirqd/322:25:003
294689990,5cyclictest0-21swapper/321:15:133
294629998,1cyclictest28-21ksoftirqd/223:55:012
294629998,1cyclictest28-21ksoftirqd/223:19:592
294629997,1cyclictest28-21ksoftirqd/222:30:232
294629997,1cyclictest28-21ksoftirqd/219:25:012
294629997,1cyclictest28-21ksoftirqd/219:15:002
294629990,5cyclictest22317-21diskmemload23:30:192
294579999,0cyclictest21-21ksoftirqd/123:50:281
294579999,0cyclictest21-21ksoftirqd/123:15:131
294579999,0cyclictest21-21ksoftirqd/123:01:031
294579999,0cyclictest21-21ksoftirqd/122:55:141
294579999,0cyclictest21-21ksoftirqd/122:20:421
294579999,0cyclictest21-21ksoftirqd/122:03:011
294579999,0cyclictest21-21ksoftirqd/121:54:481
294579999,0cyclictest21-21ksoftirqd/121:47:351
294579999,0cyclictest21-21ksoftirqd/121:43:091
294579999,0cyclictest21-21ksoftirqd/121:21:091
294579999,0cyclictest21-21ksoftirqd/120:35:111
294579998,1cyclictest21-21ksoftirqd/120:46:221
294579998,1cyclictest21-21ksoftirqd/119:31:031
294579998,0cyclictest21-21ksoftirqd/121:35:161
294579996,2cyclictest0-21swapper/123:45:131
294579993,5cyclictest21-21ksoftirqd/100:25:071
294579992,6cyclictest21-21ksoftirqd/123:21:261
294579991,8cyclictest111rcu_preempt21:56:361
294579991,8cyclictest111rcu_preempt21:18:141
294579991,8cyclictest111rcu_preempt00:15:401
294579991,8cyclictest111rcu_preempt00:02:241
294579991,7cyclictest111rcu_preempt23:57:041
294579991,7cyclictest111rcu_preempt20:15:211
294579991,0cyclictest111rcu_preempt21:29:371
294579990,1cyclictest21-21ksoftirqd/122:32:461
294499999,0cyclictest9-21ksoftirqd/022:35:150
294499998,1cyclictest9-21ksoftirqd/023:55:150
294499998,1cyclictest9-21ksoftirqd/023:15:140
294499998,1cyclictest9-21ksoftirqd/021:40:140
294499998,1cyclictest9-21ksoftirqd/000:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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