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2026-05-21 - 02:05
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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 Thu May 21, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177512990,2sleep01553599cyclictest23:47:270
182642880,0sleep10-21swapper/122:01:561
74412520,0sleep70-21swapper/700:05:047
309432510,0sleep20-21swapper/222:40:502
249842510,0sleep10-21swapper/123:42:241
172922510,0sleep60-21swapper/600:31:066
16942510,1sleep31680-21bash21:59:103
312182490,0sleep60-21swapper/621:19:086
312182490,0sleep60-21swapper/621:19:086
201692490,2sleep51557799cyclictest22:07:295
80882480,0sleep10-21swapper/122:55:541
178382480,1sleep3859-21gdbus21:29:143
206182470,0sleep40-21swapper/423:11:114
245922460,0sleep10-21swapper/121:09:101
178802450,0sleep30-21swapper/322:25:293
323252440,0sleep20-21swapper/200:21:012
230712440,1sleep223070-21grep23:38:402
166032440,0sleep60-21swapper/600:07:286
137982440,0sleep3401ktimersoftd/323:52:433
137982440,0sleep3401ktimersoftd/323:52:433
117552440,0sleep10-21swapper/122:30:391
10692440,0sleep00-21swapper/023:04:340
267392420,1sleep126730-21sshd23:22:291
216802420,0sleep50-21swapper/522:00:165
1512124230,8sleep70-21swapper/719:05:067
130362420,0sleep50-21swapper/500:29:055
11402420,0sleep20-21swapper/222:11:502
111502420,0sleep10-21swapper/100:30:451
99992410,1sleep59997-21sshd00:27:055
40652410,0sleep30-21swapper/321:50:133
203942410,0sleep40-21swapper/422:56:374
200432410,0sleep20-21swapper/200:02:112
1512824128,9sleep50-21swapper/519:05:125
1292024128,9sleep20-21swapper/219:03:562
118982410,1sleep111897-21sshd22:27:031
104432410,0sleep00-21swapper/021:23:270
104432410,0sleep00-21swapper/021:23:270
300882400,0sleep40-21swapper/423:24:254
243262400,0sleep20-21swapper/222:53:152
227912400,1sleep222741-21sshd23:53:142
227912400,1sleep222741-21sshd23:53:142
1524524028,9sleep10-21swapper/119:06:521
1524424028,8sleep00-21swapper/019:06:510
1519624028,9sleep60-21swapper/619:06:096
1519424028,9sleep40-21swapper/419:06:074
1506824028,9sleep30-21swapper/319:04:213
4952390,0sleep50-21swapper/521:55:275
227642390,0sleep20-21swapper/223:33:122
172032380,2sleep11554299cyclictest22:50:581
119882380,0sleep50-21swapper/500:16:165
1553599259,1cyclictest121rcu_preempt00:17:200
93062230,1sleep69305-21sshd22:12:186
1553599227,1cyclictest9-21ksoftirqd/022:31:380
1553599220,21cyclictest7608-21kworker/0:222:38:330
1553599217,1cyclictest9-21ksoftirqd/000:13:530
15535992115,3cyclictest9-21ksoftirqd/023:57:010
1553599202,3cyclictest9-21ksoftirqd/021:53:280
15535992018,1cyclictest9-21ksoftirqd/000:38:430
15535992014,3cyclictest9-21ksoftirqd/022:46:170
15535992011,1cyclictest121rcu_preempt00:07:210
71272190,0sleep40-21swapper/422:17:374
1553599198,1cyclictest131rcu_sched23:49:410
1553599198,1cyclictest131rcu_sched23:49:410
1553599197,1cyclictest9-21ksoftirqd/022:49:290
15535991917,1cyclictest464-21systemd-journal00:21:400
15535991916,1cyclictest9-21ksoftirqd/022:21:170
15535991916,1cyclictest9-21ksoftirqd/022:00:410
15535991915,1cyclictest9-21ksoftirqd/022:42:150
15535991915,1cyclictest9-21ksoftirqd/000:29:130
15535991914,3cyclictest9-21ksoftirqd/021:54:220
276822180,2sleep21555099cyclictest21:28:012
15586991811,4cyclictest65-21ksoftirqd/622:24:096
15569991813,4cyclictest49-21ksoftirqd/423:52:534
15569991813,4cyclictest49-21ksoftirqd/423:52:534
1553599186,1cyclictest9-21ksoftirqd/023:32:120
15535991816,2cyclictest9-21ksoftirqd/023:02:020
15535991816,1cyclictest9-21ksoftirqd/022:05:130
15535991815,3cyclictest9-21ksoftirqd/020:23:210
15535991815,1cyclictest9-21ksoftirqd/023:21:530
15535991814,4cyclictest9-21ksoftirqd/021:28:560
15535991814,3cyclictest9-21ksoftirqd/021:24:010
15535991814,3cyclictest9-21ksoftirqd/021:17:220
15535991813,1cyclictest9-21ksoftirqd/023:24:310
1553599180,1cyclictest9-21ksoftirqd/022:58:230
316952170,1sleep231410-21sshd23:02:442
291252170,0sleep30-21swapper/322:38:583
287692170,0sleep70-21swapper/700:17:147
173092170,0sleep60-21swapper/622:00:016
1553599176,1cyclictest121rcu_preempt22:14:340
15535991715,1cyclictest9-21ksoftirqd/023:38:060
15535991715,1cyclictest9-21ksoftirqd/023:17:090
15535991715,1cyclictest464-21systemd-journal22:10:140
15535991714,3cyclictest9-21ksoftirqd/021:39:170
15535991714,3cyclictest9-21ksoftirqd/021:35:380
15535991714,1cyclictest9-21ksoftirqd/023:38:570
15535991712,1cyclictest9-21ksoftirqd/021:13:130
218882160,0sleep30-21swapper/322:38:343
210952160,0sleep10-21swapper/100:24:051
15586991613,2cyclictest65-21ksoftirqd/623:20:466
1557799162,8cyclictest0-21swapper/523:28:585
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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