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2026-07-06 - 03:32
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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 rackdslot3.osadl.org (updated Mon Jul 06, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491225163,51phc2sys0-21swapper/319:08:103
301732204170,22sleep00-21swapper/019:06:050
302792203171,22sleep10-21swapper/119:07:281
302072202168,23sleep20-21swapper/219:06:332
2463421330,5sleep23089199cyclictest21:10:192
2826121300,3sleep23089199cyclictest20:10:222
1393911010,1ptp4l12716-21dump-pmu-power19:40:003
139391900,1ptp4l6690-21cat20:35:003
30891997633,4cyclictest33-21ksoftirqd/200:20:012
30891996332,4cyclictest33-21ksoftirqd/223:15:242
30892996231,4cyclictest41-21ksoftirqd/321:00:293
30891996219,4cyclictest33-21ksoftirqd/221:05:002
30891996028,4cyclictest33-21ksoftirqd/222:55:122
30891995925,3cyclictest33-21ksoftirqd/219:35:192
30890995956,2cyclictest231rcuc/123:33:571
30892995828,4cyclictest41-21ksoftirqd/323:25:133
30892995825,4cyclictest41-21ksoftirqd/320:05:263
30891995834,2cyclictest33-21ksoftirqd/220:09:112
30890995855,2cyclictest231rcuc/122:09:531
30890995855,2cyclictest231rcuc/120:31:521
139391580,1ptp4l401ktimersoftd/300:27:323
30892995727,3cyclictest41-21ksoftirqd/319:45:213
30892995724,4cyclictest41-21ksoftirqd/322:45:203
30891995722,9cyclictest33-21ksoftirqd/219:15:012
30891995720,4cyclictest33-21ksoftirqd/223:50:232
139391570,1ptp4l401ktimersoftd/320:22:573
30892995627,4cyclictest41-21ksoftirqd/321:00:013
30892995625,3cyclictest41-21ksoftirqd/322:05:013
30892995617,4cyclictest41-21ksoftirqd/322:40:003
30891995622,3cyclictest33-21ksoftirqd/221:15:272
30890995654,1cyclictest231rcuc/121:21:421
248492560,3sleep10-21swapper/121:10:231
30892995526,3cyclictest41-21ksoftirqd/321:55:013
30892995523,3cyclictest41-21ksoftirqd/323:45:003
30892995521,4cyclictest41-21ksoftirqd/321:20:253
30891995511,8cyclictest33-21ksoftirqd/221:30:192
30890995552,2cyclictest231rcuc/122:21:521
30892995421,4cyclictest41-21ksoftirqd/322:15:013
30892995325,3cyclictest41-21ksoftirqd/322:55:193
30892995324,4cyclictest41-21ksoftirqd/319:15:163
30891995322,3cyclictest33-21ksoftirqd/223:46:192
30891995321,4cyclictest33-21ksoftirqd/200:26:312
30891995312,9cyclictest33-21ksoftirqd/221:05:192
30892995223,3cyclictest41-21ksoftirqd/321:30:163
30892995223,3cyclictest41-21ksoftirqd/320:00:253
30892995220,4cyclictest41-21ksoftirqd/300:30:253
30892995219,7cyclictest41-21ksoftirqd/320:15:013
30892995216,4cyclictest41-21ksoftirqd/320:55:003
30892995214,8cyclictest41-21ksoftirqd/323:35:233
30892995214,4cyclictest41-21ksoftirqd/319:20:143
30891995223,4cyclictest33-21ksoftirqd/223:11:462
30891995220,3cyclictest33-21ksoftirqd/220:17:552
30891995214,9cyclictest33-21ksoftirqd/220:45:192
30891995210,4cyclictest33-21ksoftirqd/223:55:452
30892995135,3cyclictest41-21ksoftirqd/300:40:003
30892995121,4cyclictest41-21ksoftirqd/320:40:243
30892995121,4cyclictest41-21ksoftirqd/320:15:213
30891995121,3cyclictest121rcu_preempt19:20:012
30891995117,9cyclictest33-21ksoftirqd/223:35:122
30891995116,11cyclictest33-21ksoftirqd/221:55:192
30891995114,9cyclictest33-21ksoftirqd/219:40:182
30891995112,10cyclictest33-21ksoftirqd/219:25:012
30892995024,4cyclictest41-21ksoftirqd/323:20:283
30892995022,4cyclictest41-21ksoftirqd/300:15:193
30892995021,4cyclictest41-21ksoftirqd/320:35:243
30892995021,4cyclictest41-21ksoftirqd/319:25:133
30891995020,4cyclictest33-21ksoftirqd/222:30:542
30891995018,4cyclictest33-21ksoftirqd/220:35:012
30891995018,4cyclictest33-21ksoftirqd/220:25:002
30891995017,10cyclictest33-21ksoftirqd/200:40:002
30891995015,9cyclictest33-21ksoftirqd/200:00:262
30892994922,4cyclictest41-21ksoftirqd/319:50:253
30892994922,3cyclictest41-21ksoftirqd/322:29:363
30892994917,4cyclictest41-21ksoftirqd/300:05:193
30892994917,3cyclictest41-21ksoftirqd/321:35:143
3089199499,3cyclictest121rcu_preempt19:45:092
30891994919,3cyclictest33-21ksoftirqd/223:24:572
30891994913,4cyclictest33-21ksoftirqd/220:25:142
30891994912,9cyclictest33-21ksoftirqd/221:25:242
30891994912,11cyclictest33-21ksoftirqd/222:50:142
30889994942,4cyclictest25159-21dump-pmu-power22:20:000
30892994820,4cyclictest41-21ksoftirqd/322:30:263
30892994819,4cyclictest41-21ksoftirqd/323:05:143
30890994819,7cyclictest25-21ksoftirqd/123:57:411
30890994818,3cyclictest25-21ksoftirqd/121:40:051
30892994732,6cyclictest41-21ksoftirqd/300:05:003
30892994720,3cyclictest41-21ksoftirqd/319:15:003
30892994719,4cyclictest41-21ksoftirqd/319:30:153
30892994718,4cyclictest41-21ksoftirqd/322:20:263
30892994718,4cyclictest41-21ksoftirqd/321:05:143
30892994717,4cyclictest41-21ksoftirqd/323:30:133
30892994713,7cyclictest41-21ksoftirqd/321:15:183
3089199477,4cyclictest33-21ksoftirqd/221:38:102
30891994730,2cyclictest33-21ksoftirqd/223:40:202
30890994717,7cyclictest25-21ksoftirqd/119:56:361
30892994633,3cyclictest41-21ksoftirqd/321:45:133
30891994616,9cyclictest33-21ksoftirqd/221:40:192
30891994611,4cyclictest33-21ksoftirqd/220:55:212
30890994618,7cyclictest25-21ksoftirqd/100:01:181
30890994617,3cyclictest25-21ksoftirqd/123:25:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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