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2024-04-15 - 02:30
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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 100 highest latencies:
System rackeslot2.osadl.org (updated Sun Apr 14, 2024 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3760147992516,8cyclictest1502-21systemd-logind09:50:001
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-011:28:073
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-010:07:303
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-009:39:133
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-009:39:123
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-008:45:383
405506922420,2sleep20-21swapper/211:40:172
402499022420,2sleep20-21swapper/210:48:462
3760147992421,2cyclictest3766052-21/usr/sbin/munin07:15:021
375979822419,3sleep20-21swapper/207:07:552
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-012:39:523
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-012:08:023
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-012:02:463
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-010:37:293
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-010:19:563
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-009:20:133
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-009:12:203
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-012:30:233
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-012:15:433
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-012:14:483
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-010:33:243
2358491240,3ptp4l164790irq/127-enp1s0-TxRx-011:08:443
2358491240,3ptp4l164790irq/127-enp1s0-TxRx-011:08:433
408405122319,2sleep20-21swapper/212:30:472
407948522319,2sleep20-21swapper/212:23:092
407641322319,2sleep20-21swapper/212:17:432
407459122319,2sleep20-21swapper/212:14:482
406973022319,2sleep20-21swapper/212:05:532
406542522319,2sleep20-21swapper/211:58:432
405797222320,2sleep20-21swapper/211:45:212
405015522319,2sleep20-21swapper/211:31:552
404186122319,2sleep20-21swapper/211:17:312
403909422319,2sleep20-21swapper/211:12:432
403552422319,2sleep20-21swapper/211:06:222
403552422319,2sleep20-21swapper/211:06:212
403430222319,2sleep20-21swapper/211:04:332
403231022319,2sleep30-21swapper/311:00:423
402108322319,2sleep20-21swapper/210:41:452
401896822319,2sleep20-21swapper/210:38:152
401543322319,2sleep20-21swapper/210:31:552
401407222319,2sleep20-21swapper/210:29:502
400885622319,2sleep20-21swapper/210:20:172
399686322319,2sleep20-21swapper/210:09:422
397032922319,2sleep20-21swapper/209:50:352
396257022319,2sleep20-21swapper/209:45:452
395639822319,2sleep20-21swapper/209:43:092
393983022319,2sleep20-21swapper/209:31:542
393236122319,2sleep20-21swapper/209:27:542
392276822319,2sleep20-21swapper/209:20:362
391478322319,2sleep20-21swapper/209:15:282
379677822319,2sleep20-21swapper/207:37:162
376562122319,2sleep20-21swapper/207:12:162
376014799231,5cyclictest1769-21runrttasks10:22:511
376014799231,5cyclictest1769-21runrttasks09:42:111
376014799231,5cyclictest1769-21runrttasks08:35:261
3760147992314,8cyclictest3854892-21sh08:30:011
376014799231,3cyclictest4032544-21taskset11:01:071
3760146992320,2cyclictest4043258-21grep11:20:000
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-011:55:593
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-010:56:473
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-010:14:363
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-010:03:423
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-009:59:563
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-009:28:503
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-009:19:123
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-010:42:473
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-008:40:133
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-012:26:343
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-011:54:413
394182722219,2sleep20-21swapper/209:35:122
394182722219,2sleep20-21swapper/209:35:112
390113922219,2sleep20-21swapper/209:08:272
389541622219,2sleep20-21swapper/209:03:572
388960022219,2sleep20-21swapper/208:58:322
388361922219,2sleep20-21swapper/208:50:432
387212222219,2sleep20-21swapper/208:41:052
386624522219,2sleep20-21swapper/208:38:162
386030722219,2sleep20-21swapper/208:30:432
385466122219,2sleep20-21swapper/208:27:142
384891222219,2sleep20-21swapper/208:22:262
383137322219,2sleep20-21swapper/208:07:342
382575622219,2sleep20-21swapper/208:04:102
381996722219,2sleep20-21swapper/207:58:562
381425422219,2sleep20-21swapper/207:54:162
380835422219,2sleep20-21swapper/207:47:302
380249722219,2sleep20-21swapper/207:41:342
379089622219,2sleep20-21swapper/207:31:122
378544822219,2sleep20-21swapper/207:29:272
377944222219,2sleep20-21swapper/207:21:102
377363022219,2sleep20-21swapper/207:15:562
376014799223,2cyclictest0-21swapper/111:35:301
376014799221,4cyclictest1769-21runrttasks08:00:281
3760147992211,10cyclictest0-21swapper/112:05:011
376014799220,5cyclictest4077553-21sh12:19:551
376014799220,5cyclictest4057187-21taskset11:44:251
376014799220,5cyclictest4025128-21taskset10:49:021
376014799220,5cyclictest3860282-21seq08:30:231
376014799220,5cyclictest3848888-21taskset08:22:051
376014799220,5cyclictest3837260-21runrttasks08:14:271
3760146992219,2cyclictest3797119-21systemd-run07:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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