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2026-07-05 - 04:50
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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 Jul 05, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176692620,0sleep30-21swapper/323:18:503
170162600,2sleep42626099cyclictest21:30:154
170162600,2sleep42626099cyclictest21:30:154
53142590,0sleep3464-21systemd-journal21:27:333
53142590,0sleep3464-21systemd-journal21:27:333
199472570,0sleep6641ktimersoftd/623:42:326
2601425625,18sleep50-21swapper/519:06:435
186442540,0sleep30-21swapper/322:24:203
47422530,1sleep09-21ksoftirqd/023:51:310
2581725223,9sleep40-21swapper/419:04:024
2604925027,8sleep00-21swapper/019:07:100
221392500,5sleep00-21swapper/023:30:570
101412490,1sleep510143-21bash00:17:075
60962480,1sleep66095-21grepconf.sh23:55:226
236282480,0sleep50-21swapper/521:52:025
2598424724,8sleep20-21swapper/219:06:162
66992460,0sleep40-21swapper/421:21:584
211752460,0sleep60-21swapper/622:48:186
54622450,0sleep20-21swapper/221:17:392
96352440,0sleep50-21swapper/522:47:375
81692430,2sleep72628199cyclictest21:35:307
178742430,0sleep70-21swapper/722:05:107
148062430,1sleep314805-21grepconf.sh21:20:213
147322430,0sleep10-21swapper/122:08:401
133772430,0sleep00-21swapper/021:37:400
133292430,0sleep10-21swapper/122:31:551
105822430,0sleep40-21swapper/400:34:444
71492420,0sleep40-21swapper/421:39:204
318962420,0sleep40-21swapper/422:39:114
138942420,2sleep62627499cyclictest21:55:166
44762410,0sleep40-21swapper/423:20:034
276342410,0sleep70-21swapper/721:48:207
2588524126,11sleep10-21swapper/119:04:551
224282410,0sleep60-21swapper/600:31:346
36282400,1sleep13586-21sshd23:20:001
297082400,0sleep40-21swapper/422:28:464
2598024029,8sleep70-21swapper/719:06:137
14232400,0sleep50-21swapper/521:33:045
10922400,0sleep00-21swapper/023:43:220
310312390,0sleep30-21swapper/321:48:323
2602423927,9sleep60-21swapper/619:06:526
15462390,0sleep2321ktimersoftd/223:31:392
251652380,0sleep40-21swapper/423:50:474
237882380,0sleep30-21swapper/300:31:393
2357623826,9sleep30-21swapper/319:02:163
105122380,0sleep10-21swapper/122:35:391
105122380,0sleep10-21swapper/122:35:391
41382370,0sleep30-21swapper/300:20:333
2624499220,2cyclictest25452-21sshd00:10:132
2627499219,2cyclictest65-21ksoftirqd/622:10:246
2627499218,3cyclictest65-21ksoftirqd/623:28:226
2627499216,3cyclictest65-21ksoftirqd/621:08:326
26274992110,2cyclictest65-21ksoftirqd/623:09:486
2624499213,9cyclictest752-21snmpd21:14:462
2627499209,1cyclictest65-21ksoftirqd/623:41:086
2627499207,1cyclictest65-21ksoftirqd/622:42:016
2627499205,3cyclictest65-21ksoftirqd/623:01:496
26274992018,1cyclictest65-21ksoftirqd/622:26:156
2627499200,1cyclictest24456-21sshd00:17:506
2624499200,2cyclictest11318-21sshd23:59:322
35022190,1sleep13503-21sshd23:23:531
2627499197,4cyclictest65-21ksoftirqd/622:12:536
2627499195,1cyclictest65-21ksoftirqd/623:35:516
26274991915,3cyclictest65-21ksoftirqd/621:12:396
2624499193,6cyclictest7241-21bash00:20:442
2624499190,2cyclictest19926-21cp00:33:122
2624499190,2cyclictest12696-21kill23:16:442
2624499190,1cyclictest3251-21systemd-cgroups22:31:152
170052190,0sleep10-21swapper/123:09:111
2627499189,2cyclictest65-21ksoftirqd/622:31:106
2627499189,1cyclictest65-21ksoftirqd/623:06:386
2627499188,2cyclictest65-21ksoftirqd/623:59:186
2627499188,1cyclictest65-21ksoftirqd/621:58:106
2627499186,3cyclictest65-21ksoftirqd/622:42:446
2627499186,3cyclictest65-21ksoftirqd/621:32:336
2627499184,1cyclictest65-21ksoftirqd/622:32:166
2627499184,1cyclictest65-21ksoftirqd/622:32:166
26274991816,1cyclictest65-21ksoftirqd/622:19:286
26274991816,1cyclictest65-21ksoftirqd/621:43:296
26274991816,1cyclictest65-21ksoftirqd/621:39:596
26274991816,1cyclictest65-21ksoftirqd/600:07:246
26274991816,1cyclictest10476-21sshd22:53:246
26274991815,1cyclictest65-21ksoftirqd/623:27:146
26274991814,1cyclictest65-21ksoftirqd/623:19:266
26274991813,1cyclictest65-21ksoftirqd/600:35:476
26274991812,4cyclictest65-21ksoftirqd/623:47:226
26274991812,3cyclictest65-21ksoftirqd/621:17:296
2624499180,2cyclictest25853-21sshd21:57:442
2624499180,2cyclictest1-21systemd22:25:242
118212180,1sleep1464-21systemd-journal00:13:111
313672170,2sleep32625299cyclictest22:54:393
2627499177,1cyclictest65-21ksoftirqd/623:16:556
2627499175,2cyclictest65-21ksoftirqd/621:27:326
2627499175,2cyclictest65-21ksoftirqd/621:27:326
2627499173,1cyclictest65-21ksoftirqd/622:06:526
26274991715,1cyclictest65-21ksoftirqd/621:48:276
26274991715,1cyclictest65-21ksoftirqd/600:02:426
26274991713,1cyclictest65-21ksoftirqd/621:23:006
26274991712,1cyclictest65-21ksoftirqd/600:13:206
2624499170,2cyclictest28042-21grep23:39:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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