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2025-04-02 - 06:32
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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 rackdslot1.osadl.org (updated Wed Apr 02, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191720,7ptp4l25-21ksoftirqd/119:15:191
276002720,6sleep00-21swapper/020:50:300
2847191700,9ptp4l0-21swapper/321:27:293
2847191650,4ptp4l0-21swapper/122:35:131
2847191610,4ptp4l0-21swapper/322:48:203
2847191610,4ptp4l0-21swapper/321:34:143
2847191610,4ptp4l0-21swapper/321:13:343
15734996115,44cyclictest0-21swapper/121:29:201
2847191600,4ptp4l0-21swapper/321:21:033
2847191600,4ptp4l0-21swapper/321:01:003
2847191600,4ptp4l0-21swapper/320:39:213
2847191600,4ptp4l0-21swapper/319:26:083
2847191600,4ptp4l0-21swapper/023:23:320
2847191590,4ptp4l0-21swapper/120:39:391
2847191580,4ptp4l0-21swapper/321:19:033
2847191580,4ptp4l0-21swapper/320:14:033
2847191580,3ptp4l0-21swapper/221:31:402
2847191580,3ptp4l0-21swapper/220:21:492
2847191580,3ptp4l0-21swapper/120:34:421
1573399582,5cyclictest0-21swapper/023:05:010
2847191570,4ptp4l0-21swapper/322:06:343
2847191570,4ptp4l0-21swapper/122:10:331
2847191570,4ptp4l0-21swapper/100:12:301
2847191570,4ptp4l0-21swapper/100:01:191
2847191570,4ptp4l0-21swapper/020:59:460
2847191570,3ptp4l0-21swapper/019:49:220
2847191570,3ptp4l0-21swapper/000:22:250
2847191560,4ptp4l0-21swapper/323:45:153
2847191560,4ptp4l0-21swapper/121:52:561
2847191560,4ptp4l0-21swapper/100:19:201
2847191560,3ptp4l0-21swapper/121:30:231
2847191560,3ptp4l0-21swapper/100:23:131
2847191560,3ptp4l0-21swapper/020:35:470
2847191560,14ptp4l14314-21grep19:05:190
15734995610,44cyclictest0-21swapper/121:11:591
2847191550,4ptp4l0-21swapper/320:34:323
2847191550,4ptp4l0-21swapper/319:38:453
2847191550,4ptp4l0-21swapper/300:35:093
2847191550,4ptp4l0-21swapper/123:44:301
2847191550,3ptp4l0-21swapper/121:36:231
2847191550,3ptp4l0-21swapper/120:28:531
2847191550,15ptp4l14459-21netstat19:05:221
2847191540,4ptp4l0-21swapper/319:43:213
2847191540,4ptp4l0-21swapper/122:30:081
2847191540,3ptp4l0-21swapper/021:36:250
2847191530,4ptp4l0-21swapper/323:31:183
2847191530,4ptp4l0-21swapper/322:23:273
2847191530,4ptp4l0-21swapper/022:41:360
2847191530,3ptp4l0-21swapper/122:56:031
2847191530,3ptp4l0-21swapper/119:21:301
15735995314,3cyclictest22140-21kworker/2:120:50:392
2847191510,4ptp4l0-21swapper/123:51:071
2847191510,4ptp4l0-21swapper/122:23:551
2847191500,9ptp4l0-21swapper/223:16:562
2847191500,4ptp4l0-21swapper/120:06:331
2847191500,3ptp4l0-21swapper/121:08:001
2847191490,9ptp4l0-21swapper/222:44:442
2847191490,4ptp4l0-21swapper/322:15:473
2847191490,4ptp4l0-21swapper/320:55:123
2847191490,4ptp4l0-21swapper/123:10:201
15736994915,6cyclictest41-21ksoftirqd/323:20:233
2847191480,4ptp4l0-21swapper/221:50:362
2847191480,4ptp4l0-21swapper/122:29:271
2847191480,4ptp4l0-21swapper/023:30:380
2847191480,3ptp4l0-21swapper/100:09:261
2847191470,4ptp4l1573499cyclictest21:40:531
2847191470,4ptp4l0-21swapper/121:55:331
2847191470,4ptp4l0-21swapper/120:55:481
2847191470,4ptp4l0-21swapper/119:59:321
2847191470,4ptp4l0-21swapper/021:43:110
2847191470,4ptp4l0-21swapper/000:29:410
2847191470,4ptp4l0-21swapper/000:04:280
2847191470,3ptp4l0-21swapper/223:20:502
2847191470,3ptp4l0-21swapper/022:26:470
2847191470,11ptp4l0-21swapper/120:45:151
2847191470,11ptp4l0-21swapper/120:45:151
2847191460,4ptp4l0-21swapper/123:15:501
2847191460,4ptp4l0-21swapper/123:02:391
2847191460,3ptp4l0-21swapper/022:39:430
2847191460,3ptp4l0-21swapper/021:47:080
2847191460,3ptp4l0-21swapper/021:04:490
2847191460,3ptp4l0-21swapper/020:19:480
2847191460,11ptp4l0-21swapper/219:39:232
2847191450,9ptp4l0-21swapper/322:57:173
2847191450,9ptp4l0-21swapper/322:51:443
2847191450,9ptp4l0-21swapper/319:34:393
2847191450,3ptp4l33-21ksoftirqd/220:35:112
2847191450,3ptp4l0-21swapper/021:25:340
2847191450,3ptp4l0-21swapper/000:05:340
2847191450,12ptp4l25-21ksoftirqd/123:55:081
2847191450,10ptp4l0-21swapper/323:29:273
2847191450,10ptp4l0-21swapper/322:43:083
15736994513,3cyclictest41-21ksoftirqd/319:50:013
2847191440,9ptp4l0-21swapper/323:57:443
2847191440,9ptp4l0-21swapper/300:18:373
2847191440,9ptp4l0-21swapper/223:48:582
2847191440,9ptp4l0-21swapper/220:58:362
2847191440,9ptp4l0-21swapper/219:59:272
2847191440,9ptp4l0-21swapper/200:04:462
2847191440,4ptp4l0-21swapper/019:24:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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