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2025-12-05 - 07:19
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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 rack3slot0.osadl.org (updated Fri Dec 05, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149642490,0sleep70-21swapper/721:44:127
969324825,8sleep60-21swapper/618:50:196
967024823,8sleep10-21swapper/118:49:581
131672480,0sleep40-21swapper/423:12:584
246432460,0sleep60-21swapper/623:09:486
175522460,1sleep717501-21sshd23:04:127
275002440,0sleep40-21swapper/421:05:164
979924323,16sleep40-21swapper/418:51:374
287572430,0sleep00-21swapper/023:24:160
964924230,8sleep70-21swapper/718:49:407
252092420,0sleep10-21swapper/100:00:531
21642420,0sleep60-21swapper/623:06:446
989324128,9sleep30-21swapper/318:52:563
983224129,8sleep00-21swapper/018:52:050
981524128,10sleep20-21swapper/218:51:512
965624128,9sleep50-21swapper/518:49:465
95792410,0sleep30-21swapper/300:08:553
30402410,0sleep70-21swapper/723:39:047
236952390,0sleep60-21swapper/621:13:596
112812390,0sleep60-21swapper/600:03:466
254892320,0sleep60-21swapper/622:23:036
1012499247,5cyclictest0-21swapper/720:43:167
1012499231,21cyclictest31364-21cp21:55:267
1012499230,18cyclictest30680-21grep22:00:027
1012499219,0cyclictest0-21swapper/719:15:147
1012499212,18cyclictest8543-21grep23:49:087
1012499212,13cyclictest21904-21sshd21:22:427
1012499210,20cyclictest7144-21grepconf.sh22:48:367
1012399219,3cyclictest65-21ksoftirqd/622:43:236
1012499208,6cyclictest0-21swapper/723:37:167
1012499208,6cyclictest0-21swapper/719:31:307
1012499208,6cyclictest0-21swapper/719:10:387
1012499208,6cyclictest0-21swapper/719:05:467
1012499208,0cyclictest0-21swapper/719:36:067
1012499202,0cyclictest0-21swapper/722:13:547
10122992015,0cyclictest0-21swapper/518:58:505
1012499198,5cyclictest2042-21sshd00:07:347
1012499198,5cyclictest0-21swapper/723:10:387
1012499198,5cyclictest0-21swapper/722:34:187
1012499198,5cyclictest0-21swapper/721:34:467
1012499198,5cyclictest0-21swapper/721:34:467
1012499198,5cyclictest0-21swapper/720:44:067
1012499198,5cyclictest0-21swapper/720:21:507
1012499198,5cyclictest0-21swapper/720:21:507
1012499198,5cyclictest0-21swapper/720:15:567
1012499198,5cyclictest0-21swapper/720:09:107
1012499198,5cyclictest0-21swapper/720:03:567
1012499198,5cyclictest0-21swapper/720:00:067
1012499198,5cyclictest0-21swapper/719:57:087
1012499198,5cyclictest0-21swapper/719:20:307
1012499198,5cyclictest0-21swapper/718:59:227
1012499198,5cyclictest0-21swapper/718:54:307
1012499198,11cyclictest0-21swapper/700:00:187
1012499197,6cyclictest0-21swapper/719:26:047
1012499192,17cyclictest28105-21nfsd23:29:247
1012499190,13cyclictest6645-21sshd21:07:007
1012499190,13cyclictest30915-21sshd21:14:467
10123991911,2cyclictest65-21ksoftirqd/622:24:516
1012299198,5cyclictest0-21swapper/519:53:145
1012299198,0cyclictest0-21swapper/522:25:545
10122991914,0cyclictest0-21swapper/519:40:265
27632180,1sleep62749-21sshd23:25:106
1012499187,5cyclictest0-21swapper/723:54:047
1012499187,5cyclictest0-21swapper/722:06:027
1012499187,5cyclictest0-21swapper/721:27:547
1012499187,5cyclictest0-21swapper/720:37:307
1012499187,5cyclictest0-21swapper/720:32:227
1012499187,5cyclictest0-21swapper/720:32:227
1012499187,5cyclictest0-21swapper/719:48:527
1012499187,0cyclictest0-21swapper/720:49:087
1012499187,0cyclictest0-21swapper/720:26:107
1012499187,0cyclictest0-21swapper/700:20:287
1012499187,0cyclictest0-21swapper/700:20:287
1012499186,6cyclictest0-21swapper/721:12:347
1012499180,6cyclictest0-21swapper/722:28:527
1012399189,1cyclictest65-21ksoftirqd/621:54:156
1012399186,4cyclictest65-21ksoftirqd/623:22:166
1012399186,4cyclictest65-21ksoftirqd/621:25:066
1012399183,14cyclictest19965-21systemd-cgroups22:45:396
1012299187,0cyclictest0-21swapper/523:15:085
1012299187,0cyclictest0-21swapper/519:57:005
1012299180,6cyclictest0-21swapper/520:54:585
1012199180,3cyclictest27344-21iostat23:24:104
1012099188,3cyclictest41-21ksoftirqd/321:01:473
10120991815,1cyclictest41-21ksoftirqd/322:35:543
10120991810,2cyclictest41-21ksoftirqd/322:07:123
1012499177,5cyclictest0-21swapper/723:02:127
1012499176,5cyclictest0-21swapper/721:40:107
1012499176,5cyclictest0-21swapper/721:03:067
1012499170,5cyclictest0-21swapper/722:30:547
1012499170,5cyclictest0-21swapper/719:40:227
1012399175,3cyclictest65-21ksoftirqd/622:04:146
10123991715,1cyclictest65-21ksoftirqd/622:37:376
10123991713,1cyclictest65-21ksoftirqd/623:41:256
1012399170,3cyclictest65-21ksoftirqd/622:52:186
1012299176,5cyclictest0-21swapper/521:26:365
1012299176,5cyclictest0-21swapper/521:04:185
1012299176,0cyclictest0-21swapper/523:47:545
1012299176,0cyclictest0-21swapper/519:21:065
1012099179,1cyclictest41-21ksoftirqd/323:07:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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