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2026-04-04 - 07:02
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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 Sat Apr 04, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
49427499150,12cyclictest0-21swapper/320:45:113
494274991211,0cyclictest0-21swapper/322:00:123
49427499120,11cyclictest0-21swapper/323:30:123
49427499120,11cyclictest0-21swapper/323:20:113
49427499120,11cyclictest0-21swapper/320:35:013
49427499120,11cyclictest0-21swapper/300:05:123
49427499120,10cyclictest0-21swapper/319:15:103
49427499120,0cyclictest0-21swapper/300:25:123
49427499118,1cyclictest0-21swapper/300:35:133
494274991111,0cyclictest0-21swapper/321:45:173
49427499110,10cyclictest0-21swapper/322:20:013
49427499110,0cyclictest0-21swapper/321:00:013
49427499110,0cyclictest0-21swapper/300:30:183
49427499109,0cyclictest0-21swapper/321:32:513
49427499109,0cyclictest0-21swapper/319:32:013
494274991010,0cyclictest0-21swapper/323:00:193
494274991010,0cyclictest0-21swapper/321:35:173
494274991010,0cyclictest0-21swapper/319:53:053
494274991010,0cyclictest0-21swapper/319:45:593
494274991010,0cyclictest0-21swapper/319:40:113
494274991010,0cyclictest0-21swapper/300:25:003
494274991010,0cyclictest0-21swapper/300:15:183
49427499100,9cyclictest0-21swapper/321:50:173
49427499100,10cyclictest0-21swapper/320:00:013
49427499100,0cyclictest0-21swapper/323:50:013
49427499100,0cyclictest0-21swapper/323:10:163
49427499100,0cyclictest0-21swapper/322:55:133
49427499100,0cyclictest0-21swapper/322:11:153
49427499100,0cyclictest0-21swapper/320:10:173
4942749999,0cyclictest0-21swapper/323:08:203
4942749999,0cyclictest0-21swapper/322:54:073
4942749999,0cyclictest0-21swapper/322:46:573
4942749999,0cyclictest0-21swapper/322:25:153
4942749999,0cyclictest0-21swapper/320:42:213
4942749999,0cyclictest0-21swapper/320:05:193
4942749999,0cyclictest0-21swapper/319:10:553
4942749998,0cyclictest0-21swapper/323:40:113
4942749998,0cyclictest0-21swapper/322:33:483
4942749998,0cyclictest0-21swapper/322:20:183
4942749998,0cyclictest0-21swapper/321:15:143
4942749998,0cyclictest0-21swapper/321:00:113
4942749998,0cyclictest0-21swapper/320:20:153
4942749990,8cyclictest0-21swapper/320:35:163
4942749988,0cyclictest0-21swapper/323:59:283
4942749988,0cyclictest0-21swapper/323:38:093
4942749988,0cyclictest0-21swapper/322:40:193
4942749988,0cyclictest0-21swapper/322:35:163
4942749988,0cyclictest0-21swapper/321:41:233
4942749988,0cyclictest0-21swapper/320:25:153
4942749987,0cyclictest0-21swapper/321:05:183
4942749980,7cyclictest0-21swapper/319:20:183
4942749980,0cyclictest0-21swapper/319:35:163
4942749980,0cyclictest0-21swapper/300:00:123
492454281,4sleep30-21swapper/319:05:143
4942749977,0cyclictest0-21swapper/323:25:143
4942749977,0cyclictest0-21swapper/321:25:173
4942749970,7cyclictest0-21swapper/319:25:163
4942749970,0cyclictest0-21swapper/321:10:173
4942749966,0cyclictest0-21swapper/321:55:133
4942749966,0cyclictest0-21swapper/319:55:163
4942749966,0cyclictest0-21swapper/300:10:163
14039860,0rtkit-daemon328-21plymouthd22:31:191
501057253,2sleep2766-21snmpd19:25:102
4942749955,0cyclictest0-21swapper/322:05:183
4942749955,0cyclictest0-21swapper/321:21:153
4942749955,0cyclictest0-21swapper/320:15:183
4942749954,0cyclictest0-21swapper/323:15:133
4942749954,0cyclictest0-21swapper/320:50:123
14039850,2rtkit-daemon1-21systemd21:13:582
14039850,2rtkit-daemon0-21swapper/219:05:082
622928241,2sleep2623134-21wc00:20:202
622161240,3sleep1622423-21df_inode00:20:151
586213240,2sleep0586239-21apt-get22:55:130
4942749944,0cyclictest0-21swapper/323:53:063
492329241,1sleep10-21swapper/119:05:121
14039840,3rtkit-daemon772-21lldpd20:00:122
14039840,3rtkit-daemon1410-21sendmail-mta23:53:300
14039840,2rtkit-daemon607-21dbus-daemon22:35:171
14039840,2rtkit-daemon1-21systemd22:46:381
14039840,1rtkit-daemon328-21plymouthd21:37:302
600830230,1sleep1600856-21apt-get23:30:111
580717230,2sleep2580826-21ps22:40:182
571330230,2sleep2571334-21ssh22:19:572
570038232,0sleep10-21swapper/122:15:151
561602230,2sleep2561707-21cut21:55:152
522991230,1sleep1523017-21apt-get20:20:121
513459230,1sleep2513585-21ntp_states19:55:162
497132230,2sleep2496951-21/usr/sbin/munin19:15:132
496992230,2sleep1497130-21head19:15:121
492750231,1sleep00-21swapper/019:05:140
14039830,2rtkit-daemon606-21avahi-daemon20:17:412
14039830,2rtkit-daemon1-21systemd20:41:172
14039830,1rtkit-daemon772-21lldpd23:36:190
14039830,1rtkit-daemon766-21snmpd23:22:530
14039830,1rtkit-daemon766-21snmpd23:00:131
14039830,1rtkit-daemon766-21snmpd22:57:221
14039830,1rtkit-daemon766-21snmpd22:26:511
14039830,1rtkit-daemon766-21snmpd21:46:082
14039830,1rtkit-daemon766-21snmpd20:56:192
14039830,1rtkit-daemon766-21snmpd19:20:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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