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2026-08-16 - 20:40
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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 Sun Aug 16, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261452970,1sleep7721ktimersoftd/710:41:287
261452970,1sleep7721ktimersoftd/710:41:287
84982850,1sleep78497-21bash11:09:317
19642710,1sleep665-21ksoftirqd/610:36:306
2825425645,8sleep50-21swapper/507:04:575
245342540,0sleep20-21swapper/211:28:322
21982540,0sleep20-21swapper/212:18:142
301772510,7sleep09-21ksoftirqd/011:56:090
58412500,1sleep40-21swapper/411:54:534
52982490,1sleep75299-21sshd11:43:517
2583424925,8sleep00-21swapper/007:00:430
170522480,0sleep40-21swapper/408:35:594
314792470,0sleep131035-21sshd10:21:511
104252470,0sleep20-21swapper/210:58:452
309312460,0sleep30-21swapper/309:33:083
285092460,0sleep20-21swapper/209:20:252
264102460,0sleep00-21swapper/011:48:400
189732460,0sleep20-21swapper/209:32:262
164932450,0sleep0721-21dbus-daemon09:34:090
30952440,1sleep13096-21sshd12:27:181
2820524432,9sleep10-21swapper/107:04:121
2800124423,4sleep70-21swapper/707:01:307
257772430,0sleep40-21swapper/411:55:574
230642430,1sleep233-21ksoftirqd/210:48:352
74312420,0sleep70-21swapper/710:18:457
2811024230,9sleep40-21swapper/407:03:034
76572410,1sleep09-21ksoftirqd/010:00:440
301152410,0sleep50-21swapper/511:43:255
2814824130,8sleep20-21swapper/207:03:332
226762410,0sleep60-21swapper/611:19:236
135072410,1sleep613508-21sshd09:08:366
2797924028,8sleep30-21swapper/307:01:103
163522400,0sleep50-21swapper/511:29:555
105452400,0sleep60-21swapper/609:17:336
36472390,0sleep50-21swapper/509:58:415
2814323926,9sleep60-21swapper/607:03:296
276972390,0sleep00-21swapper/009:47:220
273782390,0sleep30-21swapper/312:05:093
45092380,0sleep7711rcuc/711:56:327
120182380,1sleep612020-21latency_hist12:00:406
102242380,0sleep10-21swapper/112:00:351
274372360,0sleep00-21swapper/011:10:360
239132350,0sleep70-21swapper/709:27:197
55642320,0sleep60-21swapper/610:47:356
275722320,0sleep10-21swapper/112:21:251
295882230,1sleep51-21systemd09:34:545
2848499239,2cyclictest25-21ksoftirqd/110:53:001
129612220,0sleep10-21swapper/112:09:481
316622210,1sleep773-21ksoftirqd/712:21:397
2848499219,1cyclictest25-21ksoftirqd/112:12:441
2848499217,1cyclictest25-21ksoftirqd/112:05:241
28483992113,3cyclictest9-21ksoftirqd/012:25:500
2848499208,1cyclictest25-21ksoftirqd/109:28:321
28484992012,1cyclictest25-21ksoftirqd/109:58:221
28484992010,2cyclictest25-21ksoftirqd/111:19:471
2848499201,2cyclictest25-21ksoftirqd/110:49:261
2848499200,3cyclictest0-21swapper/111:25:331
2848899190,17cyclictest0-21swapper/512:33:045
2848899190,17cyclictest0-21swapper/512:33:045
2848799190,18cyclictest22139-21kworker/4:210:32:284
28484991913,3cyclictest25-21ksoftirqd/112:18:101
2848499191,4cyclictest0-21swapper/111:39:031
2848499191,3cyclictest25-21ksoftirqd/111:28:321
2848499191,2cyclictest0-21swapper/110:04:211
2848499191,1cyclictest25-21ksoftirqd/111:32:521
2848499191,1cyclictest25-21ksoftirqd/109:50:591
2848499190,1cyclictest0-21swapper/110:10:511
130692190,1sleep5721-21dbus-daemon10:11:465
2848899180,2cyclictest1-21systemd09:41:285
2848499187,4cyclictest25-21ksoftirqd/109:24:261
2848499186,2cyclictest25-21ksoftirqd/110:29:481
2848499186,1cyclictest25-21ksoftirqd/109:09:511
2848499182,3cyclictest0-21swapper/110:16:561
28484991813,2cyclictest25-21ksoftirqd/111:01:541
28484991810,3cyclictest25-21ksoftirqd/109:14:161
2848499181,3cyclictest25-21ksoftirqd/109:46:261
2848499181,2cyclictest0-21swapper/111:48:551
2848499181,1cyclictest25-21ksoftirqd/110:55:531
28483991813,3cyclictest9-21ksoftirqd/009:24:160
2848399180,1cyclictest131rcu_sched10:23:320
105682180,1sleep510562-21sshd10:33:255
28488991712,4cyclictest3137-21sshd09:53:145
2848899170,7cyclictest15369-21systemd-cgroups12:06:125
28486991715,1cyclictest41-21ksoftirqd/311:30:543
28485991716,1cyclictest33-21ksoftirqd/210:41:362
28485991716,1cyclictest33-21ksoftirqd/210:41:362
2848499178,3cyclictest25-21ksoftirqd/109:44:441
2848499177,2cyclictest25-21ksoftirqd/109:34:211
2848499176,1cyclictest25-21ksoftirqd/112:30:451
2848499176,1cyclictest25-21ksoftirqd/112:30:451
2848499175,3cyclictest25-21ksoftirqd/111:53:431
2848499171,3cyclictest25-21ksoftirqd/111:11:091
2848499171,1cyclictest25-21ksoftirqd/111:07:181
2848499171,1cyclictest0-21swapper/110:33:171
2848499170,2cyclictest0-21swapper/111:41:161
2848499170,1cyclictest0-21swapper/110:36:171
2848499170,1cyclictest0-21swapper/110:07:351
28483991716,1cyclictest9-21ksoftirqd/009:30:400
28483991715,1cyclictest9-21ksoftirqd/010:40:410
28483991715,1cyclictest9-21ksoftirqd/010:40:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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