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2026-07-24 - 01:37
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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 Fri Jul 24, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171982210159,26sleep30-21swapper/319:09:083
172642207157,24sleep00-21swapper/019:09:580
170752202163,25sleep20-21swapper/219:07:302
172112200160,26sleep10-21swapper/119:09:181
70502770,0sleep00-21swapper/000:05:170
59152760,0sleep00-21swapper/019:50:170
1735999179,7cyclictest35-21ksoftirqd/321:10:223
17359991717,0cyclictest35-21ksoftirqd/321:29:403
17359991716,1cyclictest35-21ksoftirqd/321:38:483
1735999166,5cyclictest35-21ksoftirqd/319:40:003
17359991616,0cyclictest35-21ksoftirqd/323:00:543
17359991616,0cyclictest35-21ksoftirqd/322:41:353
17359991616,0cyclictest35-21ksoftirqd/322:00:153
17359991616,0cyclictest35-21ksoftirqd/320:55:173
1735999157,8cyclictest35-21ksoftirqd/322:10:203
17359991515,0cyclictest35-21ksoftirqd/300:16:293
17359991414,0cyclictest35-21ksoftirqd/323:12:033
17359991414,0cyclictest35-21ksoftirqd/320:15:113
17359991414,0cyclictest35-21ksoftirqd/300:20:363
17359991413,1cyclictest35-21ksoftirqd/320:40:003
17359991412,1cyclictest35-21ksoftirqd/323:40:003
1733999140,13cyclictest0-21swapper/123:10:231
1735999135,8cyclictest35-21ksoftirqd/323:48:323
17359991313,0cyclictest35-21ksoftirqd/323:43:183
17359991313,0cyclictest35-21ksoftirqd/323:23:273
17359991313,0cyclictest35-21ksoftirqd/323:05:513
17359991313,0cyclictest35-21ksoftirqd/322:06:253
17359991313,0cyclictest35-21ksoftirqd/321:52:443
17359991313,0cyclictest35-21ksoftirqd/321:40:393
17359991313,0cyclictest35-21ksoftirqd/300:37:173
17359991312,1cyclictest35-21ksoftirqd/322:15:203
17359991312,1cyclictest35-21ksoftirqd/320:50:003
17359991312,1cyclictest35-21ksoftirqd/320:50:003
17359991312,1cyclictest35-21ksoftirqd/319:25:003
17359991312,1cyclictest35-21ksoftirqd/319:20:003
17359991312,1cyclictest35-21ksoftirqd/300:00:003
17359991312,0cyclictest35-21ksoftirqd/319:50:003
17359991311,1cyclictest35-21ksoftirqd/323:30:183
17359991311,1cyclictest35-21ksoftirqd/321:15:153
17359991311,1cyclictest35-21ksoftirqd/319:35:003
17338991311,1cyclictest9-21ksoftirqd/019:15:000
1735999129,2cyclictest35-21ksoftirqd/321:05:003
17359991212,0cyclictest35-21ksoftirqd/323:28:373
17359991212,0cyclictest35-21ksoftirqd/322:28:263
17359991212,0cyclictest35-21ksoftirqd/322:28:263
17359991212,0cyclictest35-21ksoftirqd/322:20:173
17359991212,0cyclictest35-21ksoftirqd/320:05:113
17359991212,0cyclictest35-21ksoftirqd/320:02:013
17359991212,0cyclictest35-21ksoftirqd/300:29:433
17359991211,1cyclictest35-21ksoftirqd/322:57:273
17359991211,1cyclictest35-21ksoftirqd/321:55:133
17359991211,1cyclictest35-21ksoftirqd/321:20:173
17359991211,1cyclictest35-21ksoftirqd/300:10:193
17359991211,1cyclictest35-21ksoftirqd/300:10:013
17359991210,1cyclictest35-21ksoftirqd/322:30:113
17359991210,1cyclictest35-21ksoftirqd/321:30:173
17359991210,1cyclictest35-21ksoftirqd/320:55:003
17359991210,1cyclictest35-21ksoftirqd/320:30:183
17359991210,1cyclictest35-21ksoftirqd/319:55:153
17359991210,1cyclictest35-21ksoftirqd/300:00:193
17348991210,1cyclictest28-21ksoftirqd/221:10:002
17338991211,1cyclictest9-21ksoftirqd/023:55:000
1735999119,2cyclictest35-21ksoftirqd/319:25:223
1735999119,1cyclictest35-21ksoftirqd/323:15:143
1735999119,1cyclictest35-21ksoftirqd/320:20:163
1735999119,1cyclictest35-21ksoftirqd/319:50:193
17359991111,0cyclictest35-21ksoftirqd/322:52:533
17359991111,0cyclictest35-21ksoftirqd/322:35:113
17359991111,0cyclictest35-21ksoftirqd/321:45:123
17359991111,0cyclictest35-21ksoftirqd/320:15:003
17359991111,0cyclictest35-21ksoftirqd/300:32:283
17359991110,1cyclictest35-21ksoftirqd/323:50:123
17359991110,1cyclictest35-21ksoftirqd/322:45:153
17359991110,1cyclictest35-21ksoftirqd/321:05:163
17359991110,1cyclictest35-21ksoftirqd/320:45:013
17348991111,0cyclictest28-21ksoftirqd/222:47:272
1733899119,1cyclictest9-21ksoftirqd/023:35:120
1733899119,1cyclictest9-21ksoftirqd/022:45:000
17338991111,0cyclictest9-21ksoftirqd/000:18:070
1735999109,1cyclictest35-21ksoftirqd/320:25:183
1735999109,1cyclictest35-21ksoftirqd/319:45:003
1735999109,1cyclictest35-21ksoftirqd/319:10:113
1734899109,1cyclictest28-21ksoftirqd/223:36:582
1734899109,1cyclictest28-21ksoftirqd/221:20:002
1734899108,1cyclictest28-21ksoftirqd/222:59:032
1734899108,1cyclictest28-21ksoftirqd/220:50:002
1734899108,1cyclictest28-21ksoftirqd/220:50:002
1733899109,1cyclictest9-21ksoftirqd/023:15:130
1733899109,1cyclictest9-21ksoftirqd/022:55:000
1733899109,1cyclictest9-21ksoftirqd/020:10:140
1733899109,1cyclictest9-21ksoftirqd/000:25:000
17338991010,0cyclictest9-21ksoftirqd/022:40:010
173489998,1cyclictest28-21ksoftirqd/222:55:002
173489997,1cyclictest28-21ksoftirqd/219:35:002
173489996,1cyclictest61650irq/122-eno123:40:432
173489991,7cyclictest1443-21taskset23:56:462
173489990,9cyclictest0-21swapper/223:25:202
173399990,4cyclictest0-21swapper/122:40:131
173389999,0cyclictest9-21ksoftirqd/022:20:140
173389999,0cyclictest9-21ksoftirqd/021:55:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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