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2026-09-20 - 23:12
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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 Sep 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234112950,0sleep1231rcuc/111:00:441
123972940,0sleep70-21swapper/711:42:077
280932840,1sleep0670-21rs:main0
146062820,0sleep10-21swapper/111:17:261
119352560,0sleep60-21swapper/610:54:246
3532540,1sleep7352-21grepconf.sh11:16:367
1875925026,8sleep00-21swapper/006:59:550
228102490,0sleep00-21swapper/012:32:300
29272480,0sleep30-21swapper/311:20:323
1899124825,8sleep60-21swapper/607:02:336
1887824825,8sleep70-21swapper/707:01:387
141332470,0sleep60-21swapper/609:19:416
268072460,1sleep526809-21systemd-cgroups10:43:585
120602460,0sleep00-21swapper/009:45:540
87102450,0sleep70-21swapper/709:17:347
7662450,0sleep60-21swapper/611:35:336
257102450,0sleep40-21swapper/412:11:434
257102450,0sleep40-21swapper/412:11:434
162042450,0sleep20-21swapper/211:28:562
84332440,0sleep31-21systemd11:11:273
240332440,1sleep665-21ksoftirqd/611:14:186
146862440,0sleep40-21swapper/411:34:274
207282430,0sleep20-21swapper/210:24:252
207282430,0sleep20-21swapper/210:24:252
167342430,1sleep316729-21systemd09:23:393
106062430,1sleep610601-21bash12:10:416
106062430,1sleep610601-21bash12:10:416
172362420,0sleep00-21swapper/010:30:070
90282410,0sleep10-21swapper/111:59:071
232032410,0sleep40-21swapper/412:05:264
229832410,0sleep30-21swapper/309:31:323
108262410,0sleep3758-21runrttasks10:59:583
236832400,0sleep50-21swapper/510:57:035
216592400,0sleep10-21swapper/112:01:391
1902224027,9sleep50-21swapper/507:02:565
1884824027,9sleep40-21swapper/407:01:114
139162400,0sleep60-21swapper/609:36:396
51062390,0sleep30-21swapper/311:58:533
31352390,0sleep00-21swapper/012:00:340
1885423928,8sleep10-21swapper/107:01:161
1661723928,8sleep30-21swapper/306:59:343
282712380,0sleep50-21swapper/512:11:525
282712380,0sleep50-21swapper/512:11:525
1660723827,8sleep20-21swapper/206:59:252
176952370,0sleep00-21swapper/011:25:100
83152290,0sleep60-21swapper/610:14:196
29712240,1sleep32970-21grepconf.sh11:51:003
1928399248,2cyclictest9-21ksoftirqd/012:28:320
1928399232,12cyclictest9-21ksoftirqd/011:04:090
19283992319,4cyclictest9-21ksoftirqd/011:55:370
275752220,1sleep427097-21sshd10:28:434
275752220,1sleep427097-21sshd10:28:434
19283992217,4cyclictest9-21ksoftirqd/011:47:490
19283992111,2cyclictest9-21ksoftirqd/011:15:240
1931799204,1cyclictest49-21ksoftirqd/411:53:314
19317992015,3cyclictest49-21ksoftirqd/410:04:154
1928399207,3cyclictest9-21ksoftirqd/010:42:210
19283992015,1cyclictest9-21ksoftirqd/010:10:080
1932499195,3cyclictest0-21swapper/511:28:135
19324991916,2cyclictest57-21ksoftirqd/511:34:405
19324991914,4cyclictest26704-21sshd10:00:135
1931799199,1cyclictest49-21ksoftirqd/409:30:124
1931799198,3cyclictest49-21ksoftirqd/411:25:224
1931799197,2cyclictest49-21ksoftirqd/411:16:394
1931799195,3cyclictest49-21ksoftirqd/411:32:544
1931799194,1cyclictest49-21ksoftirqd/410:47:164
1930999190,3cyclictest131rcu_sched11:17:493
1928399193,1cyclictest9-21ksoftirqd/009:18:130
19283991915,3cyclictest9-21ksoftirqd/011:19:410
19283991915,3cyclictest9-21ksoftirqd/010:19:310
133002190,2sleep41931799cyclictest10:43:094
270942180,1sleep3464-21systemd-journal10:24:423
270942180,1sleep3464-21systemd-journal10:24:423
19334991813,3cyclictest73-21ksoftirqd/711:06:147
19334991813,2cyclictest73-21ksoftirqd/712:01:497
19324991814,3cyclictest57-21ksoftirqd/511:09:385
19324991814,3cyclictest57-21ksoftirqd/509:36:385
1931799188,1cyclictest49-21ksoftirqd/410:09:374
1931799186,2cyclictest49-21ksoftirqd/412:14:574
1931799186,2cyclictest49-21ksoftirqd/412:14:574
1931799183,3cyclictest49-21ksoftirqd/409:13:364
19317991816,1cyclictest49-21ksoftirqd/409:19:134
19317991815,3cyclictest49-21ksoftirqd/409:56:024
19317991815,2cyclictest49-21ksoftirqd/409:22:534
19317991814,1cyclictest49-21ksoftirqd/410:57:264
19317991814,1cyclictest49-21ksoftirqd/410:19:294
19317991812,2cyclictest49-21ksoftirqd/411:19:554
1931799180,17cyclictest18970-21kworker/4:110:30:584
19309991816,1cyclictest41-21ksoftirqd/309:24:263
19309991815,1cyclictest41-21ksoftirqd/309:45:463
19309991812,1cyclictest41-21ksoftirqd/310:08:143
1928399185,3cyclictest9-21ksoftirqd/011:42:450
1928399184,3cyclictest9-21ksoftirqd/011:12:280
1928399184,3cyclictest9-21ksoftirqd/011:06:420
19283991816,1cyclictest9-21ksoftirqd/010:00:450
19283991816,1cyclictest9-21ksoftirqd/009:51:080
19283991816,1cyclictest9-21ksoftirqd/009:29:240
19283991815,2cyclictest9-21ksoftirqd/012:11:280
19283991815,2cyclictest9-21ksoftirqd/012:11:280
19283991815,2cyclictest464-21systemd-journal09:25:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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