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2024-11-21 - 15:51
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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 Thu Nov 21, 2024 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
366959821120,1sleep10-21swapper/107:30:161
2500991380,1ptp4l0-21swapper/309:48:123
2500991320,5ptp4l186990irq/129-enp1s0-TxRx-009:10:463
2500991320,4ptp4l186990irq/129-enp1s0-TxRx-011:23:283
2500991320,1ptp4l186990irq/129-enp1s0-TxRx-009:55:113
2500991320,1ptp4l186990irq/129-enp1s0-TxRx-008:30:543
39142802300,0sleep03914281-21/usr/sbin/munin10:25:120
2500991300,3ptp4l0-21swapper/311:39:033
2500991300,1ptp4l186990irq/129-enp1s0-TxRx-009:51:313
2500991290,2ptp4l186990irq/129-enp1s0-TxRx-011:09:573
2500991290,1ptp4l186990irq/129-enp1s0-TxRx-011:04:343
2500991280,1ptp4l186990irq/129-enp1s0-TxRx-011:14:003
2500991270,4ptp4l0-21swapper/311:40:123
2500991260,5ptp4l186990irq/129-enp1s0-TxRx-011:25:123
2500991260,5ptp4l186990irq/129-enp1s0-TxRx-010:38:243
364209799251,19cyclictest4120791-21find12:25:110
2500991250,5ptp4l186990irq/129-enp1s0-TxRx-010:18:003
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-012:12:223
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-010:04:513
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-009:28:583
2500991250,4ptp4l186990irq/129-enp1s0-TxRx-008:55:203
2500991250,2ptp4l0-21swapper/312:37:183
3642099992421,1cyclictest0-21swapper/207:15:012
3642097992417,6cyclictest4139234-21kthreadcore12:35:170
25010912417,2phc2sys0-21swapper/311:18:563
25010912417,2phc2sys0-21swapper/309:20:123
2500991240,5ptp4l186990irq/129-enp1s0-TxRx-012:27:063
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-012:03:003
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-011:45:463
2500991240,4ptp4l186990irq/129-enp1s0-TxRx-010:46:573
2500991240,3ptp4l186990irq/129-enp1s0-TxRx-012:16:423
3642097992315,7cyclictest3999918-21latency_hist11:15:000
25010912317,3phc2sys0-21swapper/311:30:303
25010912317,2phc2sys0-21swapper/311:58:283
25010912317,2phc2sys0-21swapper/311:58:273
25010912317,2phc2sys0-21swapper/308:51:393
25010912317,2phc2sys0-21swapper/308:40:043
2500991230,6ptp4l186990irq/129-enp1s0-TxRx-010:29:213
2500991230,4ptp4l186990irq/129-enp1s0-TxRx-008:46:393
2500991230,3ptp4l186990irq/129-enp1s0-TxRx-012:24:413
39306312220,0sleep071-21kcompactd010:34:440
25010912217,3phc2sys0-21swapper/311:50:303
25010912217,3phc2sys0-21swapper/309:18:273
25010912217,3phc2sys0-21swapper/308:36:553
25010912216,2phc2sys0-21swapper/309:38:283
25010912216,2phc2sys0-21swapper/308:29:233
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-012:09:403
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-010:21:243
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-009:42:343
2500991220,5ptp4l186990irq/129-enp1s0-TxRx-009:42:333
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:56:343
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-010:42:083
2500991220,4ptp4l186990irq/129-enp1s0-TxRx-007:51:113
2500991220,2ptp4l0-21swapper/310:08:543
2500991220,1ptp4l0-21swapper/310:53:483
414352522117,2sleep20-21swapper/212:35:382
413649622117,2sleep20-21swapper/212:33:212
412647622117,2sleep20-21swapper/212:25:482
411065622117,2sleep20-21swapper/212:18:592
408306922117,2sleep20-21swapper/212:00:382
407617822117,2sleep20-21swapper/211:58:352
407617822117,2sleep20-21swapper/211:58:342
406044722117,2sleep20-21swapper/211:50:212
405784722117,2sleep20-21swapper/211:46:312
404208822117,2sleep20-21swapper/211:38:582
403366322117,2sleep20-21swapper/211:34:182
401527422117,2sleep20-21swapper/211:22:082
400025922117,2sleep20-21swapper/211:15:132
398875622117,2sleep20-21swapper/211:06:112
398072222117,2sleep20-21swapper/211:02:082
394559622117,2sleep20-21swapper/210:40:472
393680822117,2sleep20-21swapper/210:35:292
392816722117,2sleep20-21swapper/210:30:292
391962422117,2sleep20-21swapper/210:25:312
391180522117,2sleep20-21swapper/210:21:562
388680422117,2sleep20-21swapper/210:08:082
387879922117,2sleep20-21swapper/210:04:122
384259822117,2sleep20-21swapper/209:41:042
384259822117,2sleep20-21swapper/209:41:032
383505322117,2sleep20-21swapper/209:37:552
381869722117,2sleep20-21swapper/209:29:132
380697522117,2sleep20-21swapper/209:19:152
379680422117,2sleep20-21swapper/209:11:372
369262522117,2sleep20-21swapper/207:48:542
366907022117,2sleep20-21swapper/207:30:152
3642098992114,1cyclictest191rcu_preempt11:25:111
25010912116,1phc2sys0-21swapper/309:06:023
2500991210,4ptp4l186990irq/129-enp1s0-TxRx-010:13:083
2500991210,4ptp4l186990irq/129-enp1s0-TxRx-008:15:163
2500991210,2ptp4l0-21swapper/307:40:123
2500991210,2ptp4l0-21swapper/307:40:113
409468722017,2sleep20-21swapper/212:10:162
402297822017,2sleep20-21swapper/211:25:352
386891422017,2sleep20-21swapper/209:56:582
385402822017,2sleep20-21swapper/209:50:172
378386622017,2sleep20-21swapper/209:04:442
378386622017,2sleep20-21swapper/209:04:432
377767422017,2sleep20-21swapper/208:58:022
376541022017,2sleep20-21swapper/208:45:402
375915622017,2sleep20-21swapper/208:40:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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