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2024-06-14 - 15:22
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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 Fri Jun 14, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363423621190,2sleep00-21swapper/023:30:190
35586962380,1sleep13558698-21rm22:44:361
34600472380,2sleep10-21swapper/121:40:231
35815952340,1chrt3581594-21ssh22:57:410
2358491250,6ptp4l164790irq/127-enp1s0-TxRx-023:50:593
2358491250,6ptp4l164790irq/127-enp1s0-TxRx-022:35:073
2358491250,6ptp4l164790irq/127-enp1s0-TxRx-021:35:003
2356091250,2getstats0-21swapper/300:01:563
37003882240,1chrt3700391-21unixbench_singl00:10:361
3266670992421,1cyclictest0-21swapper/200:20:002
3266669992421,2cyclictest1464-21dbus-daemon19:15:011
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-023:56:243
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-023:35:553
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-023:06:093
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-022:32:403
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-022:03:423
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-019:05:113
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-000:29:393
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-000:20:293
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-000:13:043
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-022:47:333
2358491240,3ptp4l164790irq/127-enp1s0-TxRx-023:24:273
2356091240,1getstats0-21swapper/321:01:553
369517022319,2sleep20-21swapper/200:10:152
367030822319,2sleep20-21swapper/223:54:082
363204222319,2sleep20-21swapper/223:30:192
362077422319,2sleep20-21swapper/223:21:172
360399322319,2sleep20-21swapper/223:10:312
3266668992319,2cyclictest1502-21systemd-logind21:20:010
326644422318,3sleep20-21swapper/219:09:312
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-023:18:083
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-023:00:293
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-022:21:293
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-022:19:333
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-021:51:433
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-021:15:523
2358491230,5ptp4l164790irq/127-enp1s0-TxRx-021:10:123
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-023:30:563
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-022:14:573
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-019:35:323
2358491230,4ptp4l164790irq/127-enp1s0-TxRx-019:30:243
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-023:27:023
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-022:51:143
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-000:16:283
2358491230,3ptp4l164790irq/127-enp1s0-TxRx-000:07:113
373410022218,2sleep20-21swapper/200:33:312
372579722218,2sleep20-21swapper/200:28:272
371856922218,2sleep20-21swapper/200:24:532
369419922218,2sleep20-21swapper/200:08:592
368603822218,2sleep20-21swapper/200:03:382
365514022218,2sleep20-21swapper/223:45:052
365285622218,2sleep20-21swapper/223:41:172
361382322219,2sleep20-21swapper/223:18:162
359193522219,2sleep20-21swapper/223:05:172
358931722218,2sleep20-21swapper/223:02:132
358223922218,2sleep20-21swapper/222:58:562
357155022218,2sleep20-21swapper/222:50:272
355676622218,2sleep20-21swapper/222:40:532
354960522218,2sleep20-21swapper/222:37:312
354106122218,2sleep20-21swapper/222:31:312
353280122218,2sleep20-21swapper/222:25:532
352578522218,2sleep20-21swapper/222:22:492
351863922218,2sleep20-21swapper/222:19:202
350873022218,2sleep20-21swapper/222:10:392
350078322218,2sleep20-21swapper/222:05:412
349282322218,2sleep20-21swapper/222:00:452
347780522218,2sleep20-21swapper/221:52:312
346249922218,2sleep20-21swapper/221:43:452
345415722218,2sleep20-21swapper/221:38:082
342350722218,2sleep20-21swapper/221:20:132
342183522218,2sleep20-21swapper/221:17:362
341342122218,2sleep20-21swapper/221:11:472
339595322218,2sleep20-21swapper/221:00:132
336070322218,2sleep20-21swapper/220:25:342
335011122218,2sleep20-21swapper/220:20:122
333310022218,2sleep20-21swapper/220:05:182
332652722218,2sleep20-21swapper/219:59:452
332045422218,2sleep20-21swapper/219:50:342
331005422218,2sleep20-21swapper/219:45:142
329678822218,2sleep20-21swapper/219:30:222
326667099222,12cyclictest0-21swapper/221:30:022
2358491220,5ptp4l164790irq/127-enp1s0-TxRx-021:22:243
2358491220,5ptp4l164790irq/127-enp1s0-TxRx-021:07:583
2358491220,5ptp4l164790irq/127-enp1s0-TxRx-020:56:283
2358491220,5ptp4l164790irq/127-enp1s0-TxRx-019:50:303
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-022:08:113
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-019:10:173
2358491220,4ptp4l164790irq/127-enp1s0-TxRx-000:38:213
2358491220,3ptp4l164790irq/127-enp1s0-TxRx-023:14:133
2358491220,3ptp4l164790irq/127-enp1s0-TxRx-022:57:133
2358491220,3ptp4l164790irq/127-enp1s0-TxRx-022:42:383
2358491220,3ptp4l164790irq/127-enp1s0-TxRx-021:45:403
2358491220,1ptp4l0-21swapper/321:58:013
364508822118,2sleep20-21swapper/223:37:152
356486822118,2sleep20-21swapper/222:46:052
340679422118,2sleep20-21swapper/221:05:542
339553422118,2sleep20-21swapper/220:59:122
338960622118,2sleep20-21swapper/220:51:182
338399122118,2sleep20-21swapper/220:47:582
337816722118,2sleep20-21swapper/220:41:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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