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2025-11-29 - 21:37
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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 Sat Nov 29, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219162212151,47sleep00-21swapper/007:05:510
222322209158,25sleep30-21swapper/307:09:563
219692204150,39sleep10-21swapper/107:06:321
221152202162,26sleep20-21swapper/207:08:272
13062600,0sleep10-21swapper/112:35:151
22347991818,0cyclictest35-21ksoftirqd/310:36:243
22347991717,0cyclictest35-21ksoftirqd/310:14:093
22347991717,0cyclictest35-21ksoftirqd/309:43:443
22347991717,0cyclictest35-21ksoftirqd/309:18:273
22347991616,0cyclictest35-21ksoftirqd/312:12:053
22347991616,0cyclictest35-21ksoftirqd/311:21:293
22347991616,0cyclictest35-21ksoftirqd/310:55:513
22347991616,0cyclictest35-21ksoftirqd/310:43:213
22347991616,0cyclictest35-21ksoftirqd/309:36:243
22347991515,0cyclictest35-21ksoftirqd/311:01:323
22338991513,1cyclictest28-21ksoftirqd/207:25:132
22347991414,0cyclictest35-21ksoftirqd/312:23:263
22347991414,0cyclictest35-21ksoftirqd/309:55:273
22347991414,0cyclictest35-21ksoftirqd/309:47:193
22347991414,0cyclictest35-21ksoftirqd/309:11:453
22347991313,0cyclictest35-21ksoftirqd/312:36:273
22347991313,0cyclictest35-21ksoftirqd/312:15:383
22347991313,0cyclictest35-21ksoftirqd/310:03:013
22347991313,0cyclictest35-21ksoftirqd/309:53:373
22347991313,0cyclictest35-21ksoftirqd/309:30:393
22347991313,0cyclictest35-21ksoftirqd/308:53:173
22347991312,1cyclictest35-21ksoftirqd/312:34:533
22347991312,1cyclictest35-21ksoftirqd/311:35:013
22347991312,1cyclictest35-21ksoftirqd/309:25:013
22338991311,1cyclictest28-21ksoftirqd/211:00:002
22338991311,1cyclictest28-21ksoftirqd/210:15:152
2233599130,12cyclictest0-21swapper/110:10:171
202862130,0sleep30-21swapper/308:10:193
2234799127,2cyclictest35-21ksoftirqd/307:15:123
22347991212,0cyclictest35-21ksoftirqd/311:59:173
22347991212,0cyclictest35-21ksoftirqd/311:54:333
22347991212,0cyclictest35-21ksoftirqd/311:11:143
22347991212,0cyclictest35-21ksoftirqd/310:54:363
22347991212,0cyclictest35-21ksoftirqd/310:19:593
22347991212,0cyclictest35-21ksoftirqd/309:05:233
22347991211,1cyclictest35-21ksoftirqd/308:35:003
22347991211,1cyclictest35-21ksoftirqd/308:00:013
22347991210,1cyclictest35-21ksoftirqd/310:30:213
22338991211,1cyclictest28-21ksoftirqd/212:10:012
22338991211,1cyclictest28-21ksoftirqd/210:00:142
22338991210,1cyclictest28-21ksoftirqd/211:20:142
22338991210,1cyclictest28-21ksoftirqd/210:40:142
22338991210,1cyclictest28-21ksoftirqd/209:45:152
22338991210,1cyclictest28-21ksoftirqd/209:20:212
22338991210,1cyclictest28-21ksoftirqd/208:30:142
2234799118,1cyclictest341rcuc/308:05:123
22347991111,0cyclictest35-21ksoftirqd/312:02:393
22347991111,0cyclictest35-21ksoftirqd/311:45:363
22347991111,0cyclictest35-21ksoftirqd/311:40:173
22347991111,0cyclictest35-21ksoftirqd/311:15:003
22347991111,0cyclictest35-21ksoftirqd/310:09:573
22347991111,0cyclictest35-21ksoftirqd/309:28:073
22347991111,0cyclictest35-21ksoftirqd/308:29:593
22347991111,0cyclictest35-21ksoftirqd/308:20:003
22347991111,0cyclictest35-21ksoftirqd/307:55:003
22347991111,0cyclictest35-21ksoftirqd/307:15:003
22347991110,1cyclictest35-21ksoftirqd/312:05:233
22347991110,1cyclictest35-21ksoftirqd/311:35:013
22347991110,1cyclictest35-21ksoftirqd/311:30:003
22347991110,1cyclictest35-21ksoftirqd/311:05:203
22347991110,1cyclictest35-21ksoftirqd/310:45:013
22347991110,1cyclictest35-21ksoftirqd/310:25:213
22347991110,1cyclictest35-21ksoftirqd/310:20:173
22347991110,1cyclictest35-21ksoftirqd/308:40:003
22347991110,1cyclictest35-21ksoftirqd/307:50:013
22347991110,1cyclictest35-21ksoftirqd/307:45:003
22347991110,1cyclictest35-21ksoftirqd/307:34:593
2233899119,1cyclictest28-21ksoftirqd/212:25:192
2233899119,1cyclictest28-21ksoftirqd/212:05:162
2233899119,1cyclictest28-21ksoftirqd/210:25:182
2233899119,1cyclictest28-21ksoftirqd/209:20:002
22338991110,1cyclictest28-21ksoftirqd/209:10:172
2233399119,1cyclictest9-21ksoftirqd/007:20:000
323942100,0sleep10-21swapper/110:15:301
2234799109,1cyclictest35-21ksoftirqd/312:25:173
2234799109,1cyclictest35-21ksoftirqd/308:45:183
2234799109,1cyclictest35-21ksoftirqd/308:40:173
2234799109,1cyclictest35-21ksoftirqd/308:00:143
2234799109,1cyclictest35-21ksoftirqd/307:35:013
2234799109,1cyclictest35-21ksoftirqd/307:30:003
2234799109,1cyclictest35-21ksoftirqd/307:20:193
2234799108,1cyclictest35-21ksoftirqd/309:00:153
2234799108,1cyclictest35-21ksoftirqd/308:55:143
2234799108,1cyclictest35-21ksoftirqd/308:55:133
2234799108,1cyclictest35-21ksoftirqd/308:20:143
2233899109,1cyclictest28-21ksoftirqd/212:20:162
2233899109,1cyclictest28-21ksoftirqd/210:45:242
2233899109,1cyclictest28-21ksoftirqd/210:10:152
2233899109,1cyclictest28-21ksoftirqd/209:55:172
2233899109,1cyclictest28-21ksoftirqd/209:35:182
2233899108,1cyclictest320241tune2fs08:35:162
2233899108,1cyclictest28-21ksoftirqd/211:50:222
2233899108,1cyclictest28-21ksoftirqd/211:45:142
2233899108,1cyclictest28-21ksoftirqd/210:08:252
2233899108,1cyclictest28-21ksoftirqd/209:05:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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