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2026-07-26 - 11:10
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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 Sun Jul 26, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175002214149,21sleep00-21swapper/019:08:000
175062208153,21sleep10-21swapper/119:08:051
174552203161,27sleep20-21swapper/219:07:262
173862202163,25sleep30-21swapper/319:06:303
273322680,0sleep00-21swapper/022:18:440
59202650,0sleep20-21swapper/221:47:462
269582650,0sleep00-21swapper/020:35:140
17762992020,0cyclictest35-21ksoftirqd/321:12:483
257832170,0sleep30-21swapper/320:30:213
17762991716,1cyclictest35-21ksoftirqd/319:45:213
17753991717,0cyclictest28-21ksoftirqd/222:43:362
17753991717,0cyclictest28-21ksoftirqd/221:38:342
17734991716,1cyclictest9-21ksoftirqd/021:13:300
17734991711,5cyclictest9-21ksoftirqd/021:30:170
17762991616,0cyclictest35-21ksoftirqd/323:30:003
17762991616,0cyclictest35-21ksoftirqd/300:18:473
17753991616,0cyclictest28-21ksoftirqd/222:03:552
17753991616,0cyclictest28-21ksoftirqd/221:42:032
17753991616,0cyclictest28-21ksoftirqd/200:08:082
17753991615,1cyclictest28-21ksoftirqd/223:37:272
17753991615,1cyclictest28-21ksoftirqd/222:45:562
17753991615,1cyclictest28-21ksoftirqd/221:15:502
17753991613,2cyclictest28-21ksoftirqd/221:30:462
17762991515,0cyclictest35-21ksoftirqd/323:58:533
17762991515,0cyclictest35-21ksoftirqd/322:07:033
17762991515,0cyclictest35-21ksoftirqd/300:21:083
17762991515,0cyclictest35-21ksoftirqd/300:03:343
17762991515,0cyclictest35-21ksoftirqd/300:03:343
17762991510,4cyclictest35-21ksoftirqd/319:10:293
17753991515,0cyclictest28-21ksoftirqd/223:55:262
17753991515,0cyclictest28-21ksoftirqd/223:48:192
17753991515,0cyclictest28-21ksoftirqd/222:27:102
17753991515,0cyclictest28-21ksoftirqd/222:16:442
17753991515,0cyclictest28-21ksoftirqd/221:59:232
17753991515,0cyclictest28-21ksoftirqd/221:21:212
17753991515,0cyclictest28-21ksoftirqd/200:36:012
17753991515,0cyclictest28-21ksoftirqd/200:34:492
17753991515,0cyclictest28-21ksoftirqd/200:28:432
17753991515,0cyclictest28-21ksoftirqd/200:23:262
17753991515,0cyclictest28-21ksoftirqd/200:15:182
17753991515,0cyclictest28-21ksoftirqd/200:03:072
17753991515,0cyclictest28-21ksoftirqd/200:03:072
17753991514,1cyclictest28-21ksoftirqd/222:36:362
17762991414,0cyclictest35-21ksoftirqd/323:41:123
17762991414,0cyclictest35-21ksoftirqd/322:48:523
17762991413,1cyclictest35-21ksoftirqd/323:10:013
17762991412,1cyclictest35-21ksoftirqd/320:00:003
17762991410,3cyclictest35-21ksoftirqd/323:20:003
17753991414,0cyclictest28-21ksoftirqd/223:51:342
17753991414,0cyclictest28-21ksoftirqd/223:20:482
17753991414,0cyclictest28-21ksoftirqd/223:15:312
17753991414,0cyclictest28-21ksoftirqd/223:10:302
17753991414,0cyclictest28-21ksoftirqd/221:14:552
17753991410,3cyclictest28-21ksoftirqd/221:28:192
1774599140,13cyclictest0-21swapper/119:30:111
1776299139,0cyclictest35-21ksoftirqd/322:25:113
17762991313,0cyclictest35-21ksoftirqd/323:48:133
17762991313,0cyclictest35-21ksoftirqd/322:33:363
17762991313,0cyclictest35-21ksoftirqd/322:14:553
17762991313,0cyclictest35-21ksoftirqd/322:00:073
17762991313,0cyclictest35-21ksoftirqd/321:22:553
17762991313,0cyclictest35-21ksoftirqd/300:35:253
17762991312,1cyclictest35-21ksoftirqd/322:40:153
17762991312,1cyclictest35-21ksoftirqd/300:14:593
17762991311,1cyclictest35-21ksoftirqd/321:55:003
17762991311,1cyclictest35-21ksoftirqd/300:30:183
17753991313,0cyclictest28-21ksoftirqd/222:22:022
17753991313,0cyclictest28-21ksoftirqd/222:05:122
17753991312,1cyclictest28-21ksoftirqd/223:41:372
17753991312,1cyclictest28-21ksoftirqd/221:54:562
17753991312,1cyclictest28-21ksoftirqd/220:45:012
17734991311,1cyclictest9-21ksoftirqd/019:55:000
17762991212,0cyclictest35-21ksoftirqd/323:52:503
17762991212,0cyclictest35-21ksoftirqd/323:12:043
17762991212,0cyclictest35-21ksoftirqd/323:03:273
17762991212,0cyclictest35-21ksoftirqd/322:25:013
17762991212,0cyclictest35-21ksoftirqd/322:15:233
17762991212,0cyclictest35-21ksoftirqd/321:56:103
17762991212,0cyclictest35-21ksoftirqd/321:35:003
17762991212,0cyclictest35-21ksoftirqd/321:29:333
17762991212,0cyclictest35-21ksoftirqd/320:35:193
17762991211,1cyclictest35-21ksoftirqd/323:20:003
17762991211,1cyclictest35-21ksoftirqd/322:35:193
17762991211,1cyclictest35-21ksoftirqd/321:40:183
17762991211,1cyclictest35-21ksoftirqd/319:55:013
17762991210,1cyclictest35-21ksoftirqd/323:35:223
17762991210,1cyclictest35-21ksoftirqd/322:50:163
17762991210,1cyclictest35-21ksoftirqd/321:35:143
17762991210,1cyclictest35-21ksoftirqd/321:15:243
17762991210,1cyclictest35-21ksoftirqd/320:55:233
17762991210,1cyclictest35-21ksoftirqd/320:40:193
17762991210,1cyclictest35-21ksoftirqd/320:14:593
17762991210,1cyclictest35-21ksoftirqd/319:35:193
17762991210,1cyclictest35-21ksoftirqd/319:30:143
17762991210,1cyclictest35-21ksoftirqd/319:15:013
17762991210,1cyclictest35-21ksoftirqd/300:05:223
17753991212,0cyclictest28-21ksoftirqd/222:10:052
17753991212,0cyclictest28-21ksoftirqd/200:10:152
17734991211,1cyclictest9-21ksoftirqd/023:10:000
17734991210,1cyclictest9-21ksoftirqd/000:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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