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2024-04-24 - 12:30
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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 50 highest latencies:
System rack1slot1.osadl.org (updated Wed Apr 24, 2024 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203312213150,21sleep20-21swapper/219:09:042
202922209172,24sleep30-21swapper/319:08:323
201282201162,25sleep00-21swapper/019:06:240
203472197158,26sleep10-21swapper/119:09:151
110552650,0sleep00-21swapper/021:51:450
4372600,0sleep00-21swapper/000:35:060
20500991717,0cyclictest35-21ksoftirqd/323:04:093
2050099169,7cyclictest35-21ksoftirqd/300:09:323
20500991616,0cyclictest35-21ksoftirqd/321:59:173
20500991616,0cyclictest35-21ksoftirqd/321:22:253
20500991616,0cyclictest35-21ksoftirqd/321:12:333
142132160,0sleep10-21swapper/121:55:221
20500991515,0cyclictest35-21ksoftirqd/323:40:383
20500991515,0cyclictest35-21ksoftirqd/322:18:263
20500991515,0cyclictest35-21ksoftirqd/321:25:453
2050099145,8cyclictest35-21ksoftirqd/323:15:113
20500991414,0cyclictest35-21ksoftirqd/323:55:233
20500991414,0cyclictest35-21ksoftirqd/323:52:313
2050099137,5cyclictest35-21ksoftirqd/322:45:263
2050099137,5cyclictest35-21ksoftirqd/322:11:163
2050099135,7cyclictest35-21ksoftirqd/321:40:213
20500991313,0cyclictest35-21ksoftirqd/323:34:403
20500991313,0cyclictest35-21ksoftirqd/323:27:163
20500991313,0cyclictest35-21ksoftirqd/323:21:053
20500991313,0cyclictest35-21ksoftirqd/322:32:323
20500991313,0cyclictest35-21ksoftirqd/300:11:483
20500991312,1cyclictest35-21ksoftirqd/300:00:583
20500991212,0cyclictest35-21ksoftirqd/322:05:143
20500991212,0cyclictest35-21ksoftirqd/321:51:393
2049399120,0cyclictest11617-21diskmemload00:10:082
2047799123,4cyclictest28927-21perf00:30:000
2047799123,4cyclictest20489-21perf20:20:000
2047799120,12cyclictest0-21swapper/022:55:100
2050099119,2cyclictest5510-21systemctl19:45:223
2050099119,1cyclictest29438-21ntpq23:45:203
2050099118,2cyclictest22213-21df00:20:143
2050099118,2cyclictest22213-21df00:20:143
2050099118,2cyclictest0-21swapper/322:28:293
2050099116,5cyclictest35-21ksoftirqd/300:30:293
2050099114,7cyclictest35-21ksoftirqd/322:21:093
20500991111,0cyclictest35-21ksoftirqd/323:37:043
20500991111,0cyclictest35-21ksoftirqd/323:11:533
20500991111,0cyclictest35-21ksoftirqd/322:50:533
20500991111,0cyclictest35-21ksoftirqd/322:40:403
20500991111,0cyclictest35-21ksoftirqd/321:35:213
20500991111,0cyclictest35-21ksoftirqd/321:30:233
2049399119,1cyclictest28-21ksoftirqd/221:55:002
2047799110,7cyclictest11617-21diskmemload23:55:130
87142100,0sleep10-21swapper/122:34:291
2050099108,1cyclictest35-21ksoftirqd/320:05:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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