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2026-04-22 - 02:03
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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 22, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1810621100,0sleep0111rcuc/021:26:020
1250821010,1sleep557-21ksoftirqd/522:17:495
65942790,1sleep76591-21sshd23:44:577
41662730,0sleep30-21swapper/321:58:493
212622700,1sleep557-21ksoftirqd/523:47:355
91902550,1sleep79189-21grepconf.sh23:07:487
327512540,0sleep20-21swapper/221:11:462
298482500,2sleep056499cyclictest21:39:470
25212490,0sleep30-21swapper/322:32:043
238272490,1sleep11-21systemd23:34:421
238272490,1sleep11-21systemd23:34:421
4012480,0sleep40-21swapper/421:54:494
325122480,0sleep70-21swapper/722:00:217
31324825,8sleep30-21swapper/319:08:333
302962480,2sleep358899cyclictest21:54:403
250162480,0sleep40-21swapper/423:01:134
164552480,1sleep01-21systemd21:51:570
3253024725,8sleep40-21swapper/419:05:224
268802470,2sleep157299cyclictest21:13:371
249282460,0sleep30-21swapper/321:20:523
216542460,0sleep70-21swapper/723:12:137
158422460,0sleep30-21swapper/322:12:263
79472450,1sleep47934-21bash22:30:294
247762450,0sleep20-21swapper/223:53:252
152282450,0sleep50-21swapper/523:50:555
10752450,0sleep60-21swapper/622:58:026
205942440,0sleep20-21swapper/223:56:532
69042430,0sleep40-21swapper/423:05:454
228862430,0sleep10-21swapper/121:26:191
223092430,0sleep20-21swapper/200:17:352
132282430,1sleep613225-21systemd22:08:376
3259824230,8sleep50-21swapper/519:06:035
3200824225,12sleep10-21swapper/119:05:191
139762420,0sleep00-21swapper/021:14:490
46742410,0sleep70-21swapper/700:33:267
33424130,8sleep60-21swapper/619:08:526
107862410,1sleep010787-21bash21:57:170
106082410,0sleep40-21swapper/422:00:584
95342400,0sleep10-21swapper/123:50:351
258112400,0sleep30-21swapper/321:17:163
188852400,2sleep762299cyclictest22:14:307
80472390,0sleep00-21swapper/023:31:520
80472390,0sleep00-21swapper/023:31:520
3271123927,8sleep00-21swapper/019:07:340
326992390,0sleep10-21swapper/122:56:051
3268723928,8sleep70-21swapper/719:07:177
3259523928,8sleep20-21swapper/219:06:002
221762390,0sleep70-21swapper/722:18:237
87572380,0sleep10-21swapper/123:46:511
239402380,0sleep50-21swapper/521:33:525
194482380,0sleep00-21swapper/000:17:250
327542360,0sleep30-21swapper/322:24:353
588992513,2cyclictest41-21ksoftirqd/300:24:583
588992414,1cyclictest41-21ksoftirqd/323:20:143
60599223,5cyclictest32244-21grepconf.sh23:10:565
67082210,13sleep685150irq/25-em1-rx-023:28:066
60599210,10cyclictest6048-21grepconf.sh22:52:445
58899217,1cyclictest41-21ksoftirqd/323:31:203
58899217,1cyclictest41-21ksoftirqd/323:31:203
588992111,1cyclictest41-21ksoftirqd/323:15:103
60599200,8cyclictest11606-21grepconf.sh21:51:395
60599200,3cyclictest15672-21grepconf.sh21:38:575
60599200,2cyclictest31215-21grepconf.sh22:46:445
58899207,2cyclictest41-21ksoftirqd/300:04:463
588992013,4cyclictest41-21ksoftirqd/322:07:573
60599190,6cyclictest0-21swapper/522:01:055
58899198,3cyclictest41-21ksoftirqd/321:34:293
60599180,8cyclictest18405-21bash23:38:035
60599180,7cyclictest6103-21bash22:34:115
60599180,3cyclictest25803-21bash22:20:225
60599180,2cyclictest29484-21sshd23:03:255
60599180,11cyclictest10675-21id23:17:115
60599180,1cyclictest23376-21sshd21:11:065
60599180,1cyclictest0-21swapper/521:41:155
60599180,1cyclictest0-21swapper/521:41:155
58899187,1cyclictest41-21ksoftirqd/323:49:023
58899185,1cyclictest41-21ksoftirqd/300:10:143
58899184,3cyclictest41-21ksoftirqd/323:00:183
588991816,1cyclictest41-21ksoftirqd/300:15:193
588991814,4cyclictest41-21ksoftirqd/300:26:523
588991814,1cyclictest41-21ksoftirqd/321:48:593
588991812,3cyclictest41-21ksoftirqd/323:26:033
588991810,1cyclictest41-21ksoftirqd/322:35:163
588991810,1cyclictest41-21ksoftirqd/322:35:163
58899181,2cyclictest41-21ksoftirqd/300:31:563
58899181,1cyclictest121rcu_preempt21:42:243
58899181,1cyclictest121rcu_preempt21:42:243
58899180,2cyclictest0-21swapper/323:52:413
60599172,5cyclictest0-21swapper/522:42:535
60599170,7cyclictest721-21dbus-daemon22:05:345
60599170,2cyclictest25419-21systemd22:25:555
60599170,2cyclictest1-21systemd21:26:315
60599170,2cyclictest1-21systemd00:21:305
60599170,1cyclictest721-21dbus-daemon23:32:035
60599170,1cyclictest721-21dbus-daemon23:32:035
60599170,1cyclictest721-21dbus-daemon00:19:175
58899176,1cyclictest41-21ksoftirqd/322:59:193
58899176,1cyclictest41-21ksoftirqd/322:04:373
58899175,2cyclictest41-21ksoftirqd/323:12:073
58899174,2cyclictest41-21ksoftirqd/323:43:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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