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2024-12-10 - 22:54
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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 Tue Dec 10, 2024 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
379625021050,1sleep00-21swapper/012:38:580
374616021050,2sleep1341rcuc/112:10:021
375439321030,2sleep20-21swapper/212:14:552
34476282990,1sleep00-21swapper/009:05:190
36108832980,2sleep30-21swapper/310:50:203
34359672980,2sleep20-21swapper/208:55:202
33215832890,2sleep20-21swapper/207:15:222
2500991460,1ptp4l0-21swapper/307:50:013
33159042290,2sleep30-21swapper/307:15:023
34385872280,2sleep13438586-21grep09:00:001
2500991270,3ptp4l186990irq/129-enp1s0-TxRx-007:25:383
2500991260,4ptp4l186990irq/129-enp1s0-TxRx-010:04:123
2500991260,4ptp4l186990irq/129-enp1s0-TxRx-008:15:273
2500991260,2ptp4l0-21swapper/311:44:293
3308675992522,2cyclictest3618341-21grep10:55:010
2500991250,5ptp4l186990irq/129-enp1s0-TxRx-012:35:573
2500991250,5ptp4l186990irq/129-enp1s0-TxRx-010:21:593
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-010:57:213
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-009:39:273
2500991250,2ptp4l0-21swapper/309:12:093
3308676992421,2cyclictest1-21systemd08:25:011
3308676992412,7cyclictest0-21swapper/111:35:011
3308675992417,6cyclictest3644643-21/usr/sbin/munin11:10:220
3308675992416,4cyclictest3630420-21kthreadcore11:00:230
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-011:26:483
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-009:45:083
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:33:223
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:20:413
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:19:283
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-009:55:253
2500991240,3ptp4l186990irq/129-enp1s0-TxRx-011:48:023
2500991240,3ptp4l186990irq/129-enp1s0-TxRx-011:48:013
2500991240,1ptp4l0-21swapper/309:00:233
2500991240,1ptp4l0-21swapper/309:00:223
348939422319,2sleep20-21swapper/209:35:202
3308676992316,2cyclictest3584684-21/usr/sbin/munin10:35:161
3308676992312,3cyclictest3627411-21latency_hist11:00:011
3308676992312,3cyclictest3506646-21runrttasks09:47:291
2500991230,5ptp4l0-21swapper/311:05:113
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-011:01:523
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-009:35:023
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-009:21:403
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-008:41:383
374343422217,3sleep20-21swapper/212:05:312
360982322217,3sleep20-21swapper/210:49:592
338365522217,3sleep20-21swapper/208:11:082
330867699228,3cyclictest0-21swapper/109:30:011
3308676992219,2cyclictest0-21swapper/107:15:021
3308676992212,3cyclictest3563274-21kthreadcore10:20:201
3308676992211,6cyclictest0-21swapper/111:05:251
3308676992211,6cyclictest0-21swapper/110:00:011
3308676992210,2cyclictest178850irq/121-eno111:50:261
3308675992213,4cyclictest0-21swapper/011:55:230
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-012:18:153
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-012:04:503
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-010:46:043
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-010:37:303
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-010:30:213
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-009:15:143
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-008:50:293
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-008:50:283
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-007:37:393
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-012:24:313
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-012:11:123
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-011:50:513
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:26:273
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:05:153
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-009:43:243
2500991220,3ptp4l186990irq/129-enp1s0-TxRx-010:11:343
924598210,6rtkit-daemon3314720-21munin-node07:56:440
378793122117,2sleep20-21swapper/212:34:112
377964722117,2sleep20-21swapper/212:29:352
376948222117,2sleep20-21swapper/212:21:292
376042722117,2sleep20-21swapper/212:15:332
373557822117,2sleep20-21swapper/212:01:332
372714822117,2sleep20-21swapper/211:56:412
371276022117,2sleep20-21swapper/211:50:152
371027922117,2sleep20-21swapper/211:46:472
371027922117,2sleep20-21swapper/211:46:462
368634522117,2sleep20-21swapper/211:34:292
367577222117,2sleep20-21swapper/211:25:422
365898322117,2sleep20-21swapper/211:16:002
365206722117,2sleep20-21swapper/211:13:532
364229122117,2sleep20-21swapper/211:06:422
363391422117,2sleep20-21swapper/211:01:582
362571322117,2sleep20-21swapper/210:57:322
361783322117,2sleep20-21swapper/210:54:132
359947422117,2sleep20-21swapper/210:41:502
359104022117,2sleep20-21swapper/210:36:562
358283722117,2sleep20-21swapper/210:32:282
357515122117,2sleep20-21swapper/210:28:472
356519722117,2sleep20-21swapper/210:21:102
355809922117,2sleep20-21swapper/210:18:372
355016622117,2sleep20-21swapper/210:14:372
354014422117,2sleep20-21swapper/210:06:422
353106022117,2sleep20-21swapper/210:00:422
352259322117,2sleep20-21swapper/209:55:402
351400522117,2sleep20-21swapper/209:50:322
350543022117,2sleep20-21swapper/209:45:182
347922522117,2sleep20-21swapper/209:29:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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