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2026-04-29 - 07:53
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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 Wed Apr 29, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2286899131128,2cyclictest29536-21bash00:28:373
2286899131128,2cyclictest29536-21bash00:28:373
22885999354,0cyclictest0-21swapper/500:28:385
22885999354,0cyclictest0-21swapper/500:28:385
22893998549,36cyclictest0-21swapper/600:28:376
22893998549,36cyclictest0-21swapper/600:28:376
21052790,0sleep30-21swapper/323:06:433
126572740,1sleep341-21ksoftirqd/322:24:543
118702700,0sleep0111rcuc/000:08:310
22842996138,1cyclictest29381-21grep00:28:370
22842996138,1cyclictest29381-21grep00:28:370
275462530,0sleep40-21swapper/422:02:214
2247325229,9sleep40-21swapper/419:06:284
39092490,2sleep42287799cyclictest23:29:514
2239224825,8sleep10-21swapper/119:05:211
124632470,0sleep70-21swapper/722:48:057
99932460,2sleep72290199cyclictest22:01:197
46782460,0sleep10-21swapper/122:53:191
288832460,0sleep20-21swapper/221:33:352
54392450,0sleep40-21swapper/423:48:574
282072450,0sleep6721-21dbus-daemon21:43:166
197892450,0sleep30-21swapper/321:56:113
29262440,1sleep42907-21sshd00:32:464
64812430,0sleep50-21swapper/500:19:335
29172430,0sleep20-21swapper/219:29:562
274832430,0sleep30-21swapper/300:00:013
221632430,0sleep60-21swapper/622:05:516
19692430,0sleep10-21swapper/122:35:411
101612430,2sleep610162-21sshd22:17:046
97192420,0sleep40-21swapper/423:41:364
254552420,0sleep20-21swapper/221:54:422
22901994242,0cyclictest30665-21kworker/7:200:28:387
22901994242,0cyclictest30665-21kworker/7:200:28:387
22858994240,1cyclictest13550irq/24-ahci[00000:28:372
22858994240,1cyclictest13550irq/24-ahci[00000:28:372
73132410,1sleep77314-21grepconf.sh22:34:117
73132410,1sleep77314-21grepconf.sh22:34:117
2263824128,9sleep70-21swapper/719:08:487
2244124129,9sleep30-21swapper/319:06:033
229422400,0sleep10-21swapper/121:54:331
2267623927,8sleep00-21swapper/019:09:210
202392390,0sleep70-21swapper/722:05:447
2023723927,9sleep20-21swapper/219:04:502
58652380,0sleep00-21swapper/023:50:450
2242623827,8sleep60-21swapper/619:05:506
223902380,0sleep70-21swapper/721:48:467
2023123827,8sleep50-21swapper/519:04:455
50672370,1sleep01-21systemd21:14:510
75342360,0sleep00-21swapper/000:15:440
108682360,0sleep10-21swapper/123:03:211
22850993332,1cyclictest241ktimersoftd/100:28:371
22850993332,1cyclictest241ktimersoftd/100:28:371
2285099249,3cyclictest25-21ksoftirqd/121:29:201
2285099219,1cyclictest131rcu_sched23:07:041
22850992117,3cyclictest25-21ksoftirqd/123:15:361
263402200,6sleep6758-21runrttasks21:05:046
242712200,0sleep30-21swapper/323:13:483
22877992018,1cyclictest18862-21kworker/u16:500:28:374
22877992018,1cyclictest18862-21kworker/u16:500:28:374
22850992016,3cyclictest25-21ksoftirqd/123:48:531
22850992015,4cyclictest25-21ksoftirqd/122:07:071
114942200,0sleep10-21swapper/100:10:161
267512190,0sleep70-21swapper/723:12:007
2285099198,2cyclictest25-21ksoftirqd/123:19:541
2285099195,1cyclictest25-21ksoftirqd/121:35:531
2285099191,1cyclictest25-21ksoftirqd/121:42:101
2285099190,1cyclictest709-21systemd-logind22:29:561
2285099190,1cyclictest709-21systemd-logind22:29:561
22901991812,5cyclictest29598-21systemd22:23:587
2285099182,3cyclictest25-21ksoftirqd/100:21:171
22850991816,1cyclictest464-21systemd-journal22:56:431
22850991816,1cyclictest25-21ksoftirqd/123:53:041
22850991815,1cyclictest25-21ksoftirqd/121:21:171
22850991814,3cyclictest25-21ksoftirqd/123:58:451
22850991814,1cyclictest25-21ksoftirqd/123:35:531
22850991814,1cyclictest25-21ksoftirqd/121:45:351
22850991812,3cyclictest25-21ksoftirqd/100:15:381
22850991810,5cyclictest25-21ksoftirqd/122:22:051
2288599173,5cyclictest20471-21grepconf.sh21:21:325
2288599173,1cyclictest13864-21grep21:48:145
2285099177,2cyclictest25-21ksoftirqd/122:40:141
22850991715,1cyclictest25-21ksoftirqd/123:28:051
22850991715,1cyclictest25-21ksoftirqd/123:13:361
22850991715,1cyclictest25-21ksoftirqd/122:45:411
22850991715,1cyclictest25-21ksoftirqd/121:30:521
22850991715,1cyclictest25-21ksoftirqd/100:29:581
22850991715,1cyclictest25-21ksoftirqd/100:00:241
22850991714,1cyclictest25-21ksoftirqd/122:03:571
22850991713,3cyclictest25-21ksoftirqd/121:55:021
101592170,0sleep60-21swapper/600:36:566
294472160,0sleep20-21swapper/223:37:012
22901991614,1cyclictest73-21ksoftirqd/723:17:417
2288599162,2cyclictest0-21swapper/523:47:365
2288599162,2cyclictest0-21swapper/522:33:365
2288599162,2cyclictest0-21swapper/522:33:365
2288599162,1cyclictest2713-21sshd23:14:265
2288599162,1cyclictest19502-21grep00:24:185
2288599162,1cyclictest14932-21cat20:45:045
22877991615,1cyclictest49-21ksoftirqd/421:39:264
22877991614,2cyclictest49-21ksoftirqd/422:26:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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