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2026-01-11 - 23:58
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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 rack6slot0.osadl.org (updated Sun Jan 11, 2026 13:01:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3224499223215,6cyclictest0-21swapper/2112:35:5914
3224499223215,6cyclictest0-21swapper/2112:35:5814
3221899215209,3cyclictest23712-21sshd12:03:431
3221899215209,3cyclictest23712-21sshd12:03:431
3221899215209,3cyclictest23712-21sshd12:03:431
3221899209204,4cyclictest0-21swapper/111:56:531
3221899209204,4cyclictest0-21swapper/111:56:531
3221899209204,4cyclictest0-21swapper/111:56:521
3222499208200,6cyclictest0-21swapper/511:44:0035
3222499208200,6cyclictest0-21swapper/511:44:0035
3222499208200,6cyclictest0-21swapper/511:44:0035
3221899206198,6cyclictest0-21swapper/111:53:171
3221899206198,6cyclictest0-21swapper/111:53:171
3225299202198,2cyclictest33825-21sshd10:05:1822
3225299202198,2cyclictest33825-21sshd10:05:1822
3225499201183,5cyclictest0-21swapper/3010:41:0724
3225499201183,5cyclictest0-21swapper/3010:41:0724
3225499201183,5cyclictest0-21swapper/3010:41:0724
3222899201194,4cyclictest0-21swapper/911:26:0939
3222899201194,4cyclictest0-21swapper/911:26:0939
3222899201194,4cyclictest0-21swapper/911:26:0939
3222899198192,3cyclictest20218-21env09:53:3639
3222899198192,3cyclictest20218-21env09:53:3639
3222899198192,3cyclictest20218-21env09:53:3639
3222899197184,12cyclictest0-21swapper/911:47:4739
3222899197184,12cyclictest0-21swapper/911:47:4639
3222899197184,12cyclictest0-21swapper/911:47:4639
3225299196184,9cyclictest0-21swapper/2911:19:3922
3225299196184,9cyclictest0-21swapper/2911:19:3922
3225299196184,9cyclictest0-21swapper/2911:19:3922
3222899195183,10cyclictest0-21swapper/909:57:1639
3222899195183,10cyclictest0-21swapper/909:57:1639
3222899195183,10cyclictest0-21swapper/909:57:1639
3222899195182,8cyclictest2456-21CPU39
3222899195182,8cyclictest2456-21CPU39
3222899195182,8cyclictest2456-21CPU39
3222899193184,7cyclictest0-21swapper/907:18:4739
3222899193184,7cyclictest0-21swapper/907:18:4639
3222499193190,2cyclictest0-21swapper/510:52:2235
3222499193190,2cyclictest0-21swapper/510:52:2135
3222499193190,2cyclictest0-21swapper/510:52:2135
3225299190181,7cyclictest0-21swapper/2908:41:3722
3225299190181,7cyclictest0-21swapper/2908:41:3722
3222899190183,5cyclictest755-21systemd-journal11:41:5339
3222899190183,5cyclictest755-21systemd-journal11:41:5239
3222899190183,5cyclictest755-21systemd-journal11:41:5239
3222899190173,15cyclictest0-21swapper/909:17:3439
3222899190173,15cyclictest0-21swapper/909:17:3439
3225299189179,8cyclictest0-21swapper/2912:21:1122
3225299189179,8cyclictest0-21swapper/2912:21:1022
3221899188184,2cyclictest0-21swapper/111:50:001
3221899188184,2cyclictest0-21swapper/111:50:001
3221899188184,2cyclictest0-21swapper/111:50:001
3222899187180,5cyclictest0-21swapper/908:30:1739
3222899187180,5cyclictest0-21swapper/908:30:1739
3222799187178,5cyclictest0-21swapper/811:42:4438
3222799187178,5cyclictest0-21swapper/811:42:4438
3222799187178,5cyclictest0-21swapper/811:42:4438
3226099186177,7cyclictest0-21swapper/3612:38:3530
3226099186177,7cyclictest0-21swapper/3612:38:3530
3225299186175,9cyclictest0-21swapper/2908:20:0322
3225299186175,9cyclictest0-21swapper/2908:20:0322
3225299186173,11cyclictest0-21swapper/2912:06:0822
3225299186173,11cyclictest0-21swapper/2912:06:0822
3222899186181,4cyclictest0-21swapper/907:21:4839
3222899186181,4cyclictest0-21swapper/907:21:4839
3222899186181,4cyclictest0-21swapper/907:10:2739
3222799186180,4cyclictest0-21swapper/811:33:2238
3222799186180,4cyclictest0-21swapper/811:33:2238
3222799186180,4cyclictest0-21swapper/811:33:2238
3225499185154,8cyclictest0-21swapper/3010:15:4324
3225499185154,8cyclictest0-21swapper/3010:15:4324
3225499185154,8cyclictest0-21swapper/3010:15:4224
3224999185172,10cyclictest0-21swapper/2611:03:2319
3224999185172,10cyclictest0-21swapper/2611:03:2319
3224899185180,4cyclictest0-21swapper/2510:06:4018
3224899185180,4cyclictest0-21swapper/2510:06:4018
3222899185178,5cyclictest0-21swapper/909:11:0239
3222899185178,5cyclictest0-21swapper/909:11:0239
3223199184180,2cyclictest0-21swapper/1208:35:214
3223199184180,2cyclictest0-21swapper/1208:35:204
3222899184179,4cyclictest0-21swapper/911:23:1239
3222899184179,4cyclictest0-21swapper/911:23:1139
3222899184176,6cyclictest0-21swapper/911:18:2539
3222899184176,6cyclictest0-21swapper/911:18:2539
3222899184176,6cyclictest0-21swapper/911:18:2539
3222899184174,8cyclictest0-21swapper/908:06:2039
3226499183144,28cyclictest0-21swapper/3809:48:3532
3226499183144,28cyclictest0-21swapper/3809:48:3532
3225499183179,2cyclictest0-21swapper/3010:49:5324
3225499183179,2cyclictest0-21swapper/3010:49:5324
3224999183163,18cyclictest0-21swapper/2610:33:3219
3224999183163,18cyclictest0-21swapper/2610:33:3219
3224899183176,5cyclictest0-21swapper/2512:19:3518
3224899183176,5cyclictest0-21swapper/2512:19:3418
3224899183176,5cyclictest0-21swapper/2512:19:3418
3222899183167,8cyclictest0-21swapper/912:34:4639
3222899183167,8cyclictest0-21swapper/912:34:4639
3225299182174,5cyclictest0-21swapper/2910:46:0822
3225299182174,5cyclictest0-21swapper/2910:46:0822
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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