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2026-04-09 - 07:47
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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 rack1slot3.osadl.org (updated Thu Apr 09, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25076899140,12cyclictest0-21swapper/322:20:103
25076899140,11cyclictest0-21swapper/320:25:133
250768991211,0cyclictest0-21swapper/322:15:123
25076899120,8cyclictest0-21swapper/300:20:113
25076899120,11cyclictest0-21swapper/323:19:583
25076899120,11cyclictest0-21swapper/322:50:123
25076899119,1cyclictest0-21swapper/323:50:123
25076899119,1cyclictest0-21swapper/320:20:113
250768991110,0cyclictest0-21swapper/323:05:123
25076899110,1cyclictest0-21swapper/321:10:013
25076899110,11cyclictest0-21swapper/323:20:023
25076899110,10cyclictest0-21swapper/323:10:173
25076899110,10cyclictest0-21swapper/322:10:163
25076899110,10cyclictest0-21swapper/320:09:293
25076899110,10cyclictest0-21swapper/319:17:003
25076899110,0cyclictest0-21swapper/321:55:183
25076899110,0cyclictest0-21swapper/321:10:183
25076899109,0cyclictest0-21swapper/322:40:193
25076899109,0cyclictest0-21swapper/321:45:133
250768991010,0cyclictest0-21swapper/323:25:163
250768991010,0cyclictest0-21swapper/322:00:183
250768991010,0cyclictest0-21swapper/320:50:103
250768991010,0cyclictest0-21swapper/320:40:183
250768991010,0cyclictest0-21swapper/300:00:173
25076899100,9cyclictest0-21swapper/319:30:163
25076899100,0cyclictest0-21swapper/323:40:013
25076899100,0cyclictest0-21swapper/322:35:183
2507689999,0cyclictest0-21swapper/323:59:593
2507689999,0cyclictest0-21swapper/323:30:163
2507689999,0cyclictest0-21swapper/321:35:163
2507689999,0cyclictest0-21swapper/321:15:163
2507689999,0cyclictest0-21swapper/319:55:113
2507689999,0cyclictest0-21swapper/300:05:123
2507689998,0cyclictest0-21swapper/321:25:163
2507689998,0cyclictest0-21swapper/320:15:113
2507689990,8cyclictest0-21swapper/300:25:143
2507689990,0cyclictest0-21swapper/320:50:013
249435291,5sleep30-21swapper/319:05:153
2507689988,0cyclictest0-21swapper/323:45:133
2507689988,0cyclictest0-21swapper/323:40:303
2507689988,0cyclictest0-21swapper/322:50:023
2507689988,0cyclictest0-21swapper/320:55:193
2507689980,7cyclictest0-21swapper/319:20:183
2507689980,7cyclictest0-21swapper/300:15:183
303868270,0sleep1304129-21diskstats21:25:141
2507689977,0cyclictest0-21swapper/323:04:493
2507689977,0cyclictest0-21swapper/322:31:183
2507689977,0cyclictest0-21swapper/321:52:323
2507689977,0cyclictest0-21swapper/321:04:283
2507689976,0cyclictest0-21swapper/321:30:103
2507689970,6cyclictest0-21swapper/300:35:123
2507689970,0cyclictest0-21swapper/319:45:163
2507689970,0cyclictest0-21swapper/319:40:163
2507689966,0cyclictest0-21swapper/319:15:003
250332260,1sleep20-21swapper/219:06:292
2507689955,0cyclictest0-21swapper/322:58:333
2507689955,0cyclictest0-21swapper/322:05:113
2507689951,2cyclictest0-21swapper/320:35:113
2507689951,2cyclictest0-21swapper/300:10:103
2507689950,0cyclictest0-21swapper/300:30:183
14039850,2rtkit-daemon328-21plymouthd19:05:141
363039240,2sleep2363112-21cat23:45:152
349824240,2sleep2349870-21ls23:15:022
2507689944,0cyclictest0-21swapper/321:20:133
2507689944,0cyclictest0-21swapper/320:10:163
2507689944,0cyclictest0-21swapper/319:50:013
2507689942,2cyclictest281842-21turbostat20:34:563
2507689940,3cyclictest329998-21chrt22:25:233
2507689940,3cyclictest309941-21chrt21:40:113
2507689940,2cyclictest0-21swapper/320:00:113
2507689940,2cyclictest0-21swapper/319:35:123
250185241,1sleep00-21swapper/019:05:190
14039840,2rtkit-daemon766-21snmpd22:58:231
14039840,2rtkit-daemon621-21systemd-logind22:53:581
14039840,2rtkit-daemon356836-21if_eno123:30:141
14039840,2rtkit-daemon269128-21awk19:55:141
14039840,2rtkit-daemon252834-21munin-node21:45:231
14039840,2rtkit-daemon2117-21packagekitd00:10:191
14039840,1rtkit-daemon691-21gmain21:41:141
14039840,1rtkit-daemon1-21systemd00:28:441
347994230,1sleep0348020-21apt-get23:10:120
337851230,1sleep2338064-21awk22:45:242
333476230,2sleep0333629-21ntp_states22:35:170
2507689930,2cyclictest0-21swapper/319:25:123
14039830,2rtkit-daemon766-21snmpd00:02:481
14039830,2rtkit-daemon252834-21munin-node23:35:111
14039830,2rtkit-daemon1-21systemd22:00:131
14039830,1rtkit-daemon834-21udisksd20:20:221
14039830,1rtkit-daemon766-21snmpd23:45:111
14039830,1rtkit-daemon766-21snmpd22:36:061
14039830,1rtkit-daemon766-21snmpd22:20:521
14039830,1rtkit-daemon766-21snmpd22:09:061
14039830,1rtkit-daemon766-21snmpd21:30:251
14039830,1rtkit-daemon622-21wpa_supplicant22:14:191
14039830,1rtkit-daemon328-21plymouthd23:26:161
14039830,1rtkit-daemon328-21plymouthd23:16:321
14039830,1rtkit-daemon328-21plymouthd22:48:061
14039830,1rtkit-daemon328-21plymouthd22:25:121
14039830,1rtkit-daemon328-21plymouthd21:50:411
14039830,1rtkit-daemon328-21plymouthd21:12:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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