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2025-04-02 - 06:34
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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 Wed Apr 02, 2025 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151662214149,23sleep00-21swapper/019:09:050
151272201165,22sleep10-21swapper/119:08:351
151732200161,26sleep20-21swapper/219:09:112
151292197160,24sleep30-21swapper/319:08:363
275562700,0sleep10-21swapper/123:55:181
34792150,0sleep20-21swapper/200:08:572
15343991515,0cyclictest35-21ksoftirqd/300:20:123
15336991515,0cyclictest28-21ksoftirqd/222:40:282
15343991414,0cyclictest0-21swapper/323:59:343
15336991412,1cyclictest28-21ksoftirqd/219:15:012
15336991313,0cyclictest0-21swapper/223:10:072
15336991311,1cyclictest28-21ksoftirqd/223:55:002
15343991211,1cyclictest35-21ksoftirqd/323:35:003
15343991211,1cyclictest35-21ksoftirqd/321:50:153
15336991210,1cyclictest28-21ksoftirqd/223:55:132
15336991210,1cyclictest28-21ksoftirqd/219:25:002
15336991210,1cyclictest28-21ksoftirqd/200:30:172
15333991212,0cyclictest0-21swapper/123:10:081
1533299121,6cyclictest26410-21apt-get23:55:130
1534399119,1cyclictest35-21ksoftirqd/322:25:003
1534399119,1cyclictest35-21ksoftirqd/320:10:003
15343991110,1cyclictest35-21ksoftirqd/322:40:003
15343991110,1cyclictest35-21ksoftirqd/321:40:163
1533699119,1cyclictest28-21ksoftirqd/223:40:182
1533699119,1cyclictest28-21ksoftirqd/223:05:002
1533699119,1cyclictest28-21ksoftirqd/220:30:002
1533699119,1cyclictest28-21ksoftirqd/220:00:142
15336991110,1cyclictest28-21ksoftirqd/222:35:002
15336991110,1cyclictest28-21ksoftirqd/221:00:012
15336991110,1cyclictest28-21ksoftirqd/220:15:222
1533299119,2cyclictest29811-21apt20:55:010
1534399109,1cyclictest35-21ksoftirqd/321:15:013
1534399108,1cyclictest35-21ksoftirqd/322:00:123
1534399108,1cyclictest35-21ksoftirqd/300:10:003
1534399107,1cyclictest35-21ksoftirqd/319:40:003
1534399100,5cyclictest26361-21latency_hist23:10:003
1533699109,1cyclictest28-21ksoftirqd/223:33:142
1533699109,1cyclictest28-21ksoftirqd/222:15:142
1533699109,1cyclictest28-21ksoftirqd/221:46:282
1533699109,1cyclictest28-21ksoftirqd/220:20:182
1533699109,1cyclictest28-21ksoftirqd/220:20:182
1533699109,1cyclictest28-21ksoftirqd/219:45:162
1533699108,1cyclictest28-21ksoftirqd/222:36:362
1533699108,1cyclictest28-21ksoftirqd/222:03:142
1533699108,1cyclictest28-21ksoftirqd/221:30:182
1533299102,4cyclictest1642-21latency_hist00:04:590
1533299100,9cyclictest28002-21latency_hist21:40:000
8817296,1sleep09-21ksoftirqd/000:15:160
4483290,1sleep20-21swapper/221:51:562
153439998,1cyclictest35-21ksoftirqd/323:20:003
153439998,1cyclictest35-21ksoftirqd/320:50:003
153439997,1cyclictest35-21ksoftirqd/322:35:163
153439997,1cyclictest35-21ksoftirqd/320:20:003
153439997,1cyclictest21981-21ssh23:49:373
153439992,6cyclictest9819-21kworker/u8:219:41:293
153369998,1cyclictest28-21ksoftirqd/223:35:152
153369998,1cyclictest28-21ksoftirqd/222:53:472
153369998,1cyclictest28-21ksoftirqd/222:46:312
153369998,1cyclictest28-21ksoftirqd/222:20:162
153369998,1cyclictest28-21ksoftirqd/222:07:072
153369998,1cyclictest28-21ksoftirqd/221:35:502
153369998,1cyclictest28-21ksoftirqd/221:27:302
153369998,1cyclictest28-21ksoftirqd/221:15:112
153369998,1cyclictest28-21ksoftirqd/219:25:132
153369998,1cyclictest28-21ksoftirqd/219:25:132
153369998,1cyclictest28-21ksoftirqd/200:23:112
153369998,1cyclictest28-21ksoftirqd/200:18:432
153369998,1cyclictest28-21ksoftirqd/200:12:052
153369998,1cyclictest28-21ksoftirqd/200:02:332
153369997,1cyclictest28-21ksoftirqd/223:09:592
153369997,1cyclictest28-21ksoftirqd/221:42:492
153369997,1cyclictest28-21ksoftirqd/221:20:202
153369997,1cyclictest28-21ksoftirqd/220:55:172
153329993,3cyclictest5752-21perf21:55:010
153329990,7cyclictest254-21systemd-journal23:40:260
153329990,4cyclictest20076-21apt-get21:30:120
153439988,0cyclictest35-21ksoftirqd/323:10:003
153439988,0cyclictest35-21ksoftirqd/323:00:143
153439988,0cyclictest35-21ksoftirqd/321:35:163
153439988,0cyclictest35-21ksoftirqd/319:45:133
153439988,0cyclictest35-21ksoftirqd/300:30:203
153439987,1cyclictest35-21ksoftirqd/300:04:593
153439982,5cyclictest4658-21diskmemload21:48:283
153439981,4cyclictest4658-21diskmemload21:30:043
153369988,0cyclictest28-21ksoftirqd/220:34:552
153369987,1cyclictest28-21ksoftirqd/223:49:492
153369987,1cyclictest28-21ksoftirqd/223:18:332
153369987,1cyclictest28-21ksoftirqd/222:56:332
153369987,1cyclictest28-21ksoftirqd/222:27:082
153369987,1cyclictest28-21ksoftirqd/221:13:262
153369987,1cyclictest28-21ksoftirqd/219:55:202
153369987,1cyclictest28-21ksoftirqd/200:25:452
153369986,1cyclictest28-21ksoftirqd/221:55:152
153369986,1cyclictest28-21ksoftirqd/220:45:122
153369986,1cyclictest28-21ksoftirqd/219:55:002
153369983,3cyclictest28-21ksoftirqd/200:37:342
153369982,5cyclictest18381-21runrttasks22:11:262
153369980,2cyclictest0-21swapper/223:30:002
153339981,4cyclictest200-21jbd2/sda2-823:16:471
153329986,1cyclictest9-21ksoftirqd/019:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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