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2024-07-27 - 03:29
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot5.osadl.org (updated Sat Jul 27, 2024 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250363799632631,1cyclictest0-21swapper/623:03:2412
250364899629628,1cyclictest0-21swapper/923:27:2415
250362899605604,1cyclictest0-21swapper/320:48:039
250362899539539,0cyclictest0-21swapper/323:47:259
250362899539539,0cyclictest0-21swapper/323:47:259
2503648995344,27cyclictest0-21swapper/901:05:2515
2503618995333,528cyclictest226298350irq/142-enp3s0-rx-123:29:000
25036629953118,512cyclictest0-21swapper/1223:22:004
25036679953056,473cyclictest0-21swapper/1301:54:225
25036309952913,25cyclictest0-21swapper/421:26:0310
250366799528528,0cyclictest0-21swapper/1320:45:015
25036729952722,504cyclictest0-21swapper/1523:29:387
25036629952714,24cyclictest132-21ksoftirqd/1200:21:384
25036309952114,507cyclictest0-21swapper/421:54:0110
25036679951338,473cyclictest0-21swapper/1300:48:235
25036679951337,473cyclictest0-21swapper/1321:21:015
25036679951238,473cyclictest0-21swapper/1321:52:015
25036679951237,473cyclictest0-21swapper/1323:52:355
250363999512510,2cyclictest0-21swapper/700:15:0313
25036189951216,29cyclictest226298350irq/142-enp3s0-rx-121:22:230
2503669995117,504cyclictest0-21swapper/1420:36:236
25036679951137,473cyclictest0-21swapper/1301:25:385
2503662995091,507cyclictest0-21swapper/1223:58:244
2503639995096,502cyclictest0-21swapper/720:56:0113
25036679950838,0cyclictest0-21swapper/1323:15:035
2503662995073,503cyclictest0-21swapper/1200:28:034
250367299506504,2cyclictest2680611-21kworker/15:0+events00:15:037
25036489950449,454cyclictest0-21swapper/900:22:3515
25036679950340,462cyclictest141-21ksoftirqd/1323:45:385
25036679950340,462cyclictest141-21ksoftirqd/1323:45:385
2503662995020,29cyclictest0-21swapper/1220:55:014
250363999502500,2cyclictest2531679-21kworker/7:2+i915-unordered21:01:0313
250365099500499,1cyclictest2535475-21kworker/10:0+events21:34:262
250367299499498,1cyclictest2499545-21kworker/15:1+i915-unordered20:40:397
2503667994980,27cyclictest0-21swapper/1300:47:255
25036629949835,462cyclictest0-21swapper/1201:56:004
250366999495495,0cyclictest0-21swapper/1421:12:256
250362899495494,1cyclictest0-21swapper/322:30:019
25036729949433,459cyclictest0-21swapper/1522:50:027
250365699494494,0cyclictest0-21swapper/1101:24:003
250363999494492,2cyclictest2696282-21kworker/7:2+events00:34:2313
250363099494494,0cyclictest2609985-21kworker/4:2+i915-unordered23:55:2310
250362899493493,0cyclictest2704050-21kworker/3:2+i915-unordered01:24:009
25036629949115,475cyclictest0-21swapper/1222:03:234
25036509949118,472cyclictest0-21swapper/1001:22:242
2503639994890,488cyclictest0-21swapper/723:49:0213
2503667994889,476cyclictest0-21swapper/1323:35:385
25036679948824,463cyclictest0-21swapper/1300:34:015
2503650994880,487cyclictest1181-21avahi-daemon22:51:382
25036729948711,475cyclictest0-21swapper/1523:14:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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