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2025-11-25 - 04:48
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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 rack1slot1.osadl.org (updated Tue Nov 25, 2025 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154692215131,55sleep20-21swapper/219:07:392
153732206157,24sleep00-21swapper/019:06:250
154652200164,23sleep30-21swapper/319:07:363
154162197159,25sleep10-21swapper/119:06:581
56852740,0sleep10-21swapper/122:35:001
67252220,0sleep121-21ksoftirqd/122:35:161
1575499190,18cyclictest0-21swapper/119:15:111
133352170,0sleep00-21swapper/023:30:190
15761991612,1cyclictest28-21ksoftirqd/221:11:092
15761991511,1cyclictest28-21ksoftirqd/200:26:412
15761991311,1cyclictest28-21ksoftirqd/220:55:002
1575499130,12cyclictest0-21swapper/123:30:151
1574899130,12cyclictest0-21swapper/021:15:220
15761991211,1cyclictest28-21ksoftirqd/222:30:142
15761991211,1cyclictest28-21ksoftirqd/222:20:192
15761991210,1cyclictest28-21ksoftirqd/221:55:122
15761991210,1cyclictest28-21ksoftirqd/221:53:332
1574899120,12cyclictest0-21swapper/019:15:110
1576199119,1cyclictest28-21ksoftirqd/223:10:212
15761991110,1cyclictest28-21ksoftirqd/223:25:062
15761991110,1cyclictest28-21ksoftirqd/221:48:262
15761991110,1cyclictest28-21ksoftirqd/200:05:212
1574899119,1cyclictest9-21ksoftirqd/022:00:000
1574899119,1cyclictest9-21ksoftirqd/020:20:000
1574899119,1cyclictest9-21ksoftirqd/000:05:150
250222100,0sleep30-21swapper/323:00:223
1576999108,1cyclictest35-21ksoftirqd/321:10:003
1576199109,1cyclictest28-21ksoftirqd/223:46:492
1576199109,1cyclictest28-21ksoftirqd/223:40:212
1576199109,1cyclictest28-21ksoftirqd/223:37:532
1576199109,1cyclictest28-21ksoftirqd/223:31:332
1576199109,1cyclictest28-21ksoftirqd/222:56:442
1576199109,1cyclictest28-21ksoftirqd/219:45:112
1576199109,1cyclictest28-21ksoftirqd/219:15:002
1576199109,1cyclictest28-21ksoftirqd/200:14:162
1576199108,1cyclictest28-21ksoftirqd/223:09:062
1576199108,1cyclictest28-21ksoftirqd/222:25:152
1576199108,1cyclictest28-21ksoftirqd/222:05:152
1576199108,1cyclictest28-21ksoftirqd/220:40:012
1576199108,1cyclictest28-21ksoftirqd/200:20:162
1576199107,3cyclictest28-21ksoftirqd/221:15:112
15761991010,0cyclictest28-21ksoftirqd/222:50:142
15761991010,0cyclictest28-21ksoftirqd/222:40:132
15761991010,0cyclictest28-21ksoftirqd/221:20:082
1574899109,1cyclictest9-21ksoftirqd/000:15:000
1574899108,1cyclictest9-21ksoftirqd/023:15:460
157699997,1cyclictest35-21ksoftirqd/321:05:003
157619999,0cyclictest28-21ksoftirqd/223:55:212
157619999,0cyclictest28-21ksoftirqd/221:38:192
157619999,0cyclictest28-21ksoftirqd/221:38:182
157619999,0cyclictest28-21ksoftirqd/221:30:212
157619999,0cyclictest0-21swapper/200:31:542
157619998,1cyclictest28-21ksoftirqd/223:50:132
157619998,1cyclictest28-21ksoftirqd/222:00:152
157619998,1cyclictest28-21ksoftirqd/221:26:292
157619998,1cyclictest28-21ksoftirqd/200:39:572
157619998,1cyclictest28-21ksoftirqd/200:00:212
157619997,1cyclictest28-21ksoftirqd/221:40:212
157619997,1cyclictest28-21ksoftirqd/220:25:002
157619997,1cyclictest28-21ksoftirqd/220:10:112
157549990,8cyclictest0-21swapper/122:15:121
157489997,1cyclictest9-21ksoftirqd/019:40:000
157489993,3cyclictest17678-21ntp_states22:50:170
157489991,4cyclictest26137-21sort00:35:010
157699987,1cyclictest16210-21sh22:50:003
157699982,5cyclictest19226-21apt-get00:25:123
157699981,5cyclictest0-21swapper/322:24:043
157699981,4cyclictest254-21systemd-journal21:38:283
157699981,4cyclictest254-21systemd-journal21:38:283
157699980,4cyclictest1449-21ntpd21:20:193
157699980,3cyclictest13449-21/usr/sbin/munin00:15:203
157699980,3cyclictest0-21swapper/300:07:063
157619988,0cyclictest28-21ksoftirqd/222:35:162
157619988,0cyclictest28-21ksoftirqd/219:40:242
157619987,1cyclictest28-21ksoftirqd/223:15:172
157619987,1cyclictest28-21ksoftirqd/223:00:122
157619987,1cyclictest28-21ksoftirqd/222:49:402
157619987,1cyclictest28-21ksoftirqd/200:15:142
157619986,1cyclictest28-21ksoftirqd/220:05:002
157619984,2cyclictest60950irq/123-eno123:20:542
157619981,5cyclictest18159-21kworker/2:022:15:122
157549980,8cyclictest0-21swapper/123:20:191
157549980,4cyclictest0-21swapper/121:25:141
157489986,1cyclictest2190-21sort22:30:000
157489980,7cyclictest6382-21grep22:35:150
157489980,7cyclictest30384-21ssh22:23:300
157489980,7cyclictest26355-21ssh23:03:400
157489980,7cyclictest15660-21ssh22:48:200
157489980,7cyclictest12101-21ssh22:43:220
157489980,6cyclictest254-21systemd-journal21:05:120
157489980,4cyclictest25887-21latency_hist19:30:000
157489980,4cyclictest23580-21kworker/u8:121:30:550
157699977,0cyclictest35-21ksoftirqd/322:10:293
157699976,1cyclictest1983-21missed_timers19:45:173
157699975,1cyclictest28425-21cat20:40:163
157699975,1cyclictest27112-21ssh21:33:353
157699973,3cyclictest6414-21cpu21:50:113
157699972,1cyclictest0-21swapper/322:04:313
157699971,4cyclictest18643-21taskset22:05:243
157699971,4cyclictest0-21swapper/319:35:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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