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2026-04-13 - 07:21
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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 Mon Apr 13, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9109799130,1cyclictest0-21swapper/320:45:123
9109799130,11cyclictest0-21swapper/323:55:123
9109799120,1cyclictest0-21swapper/323:30:123
9109799120,11cyclictest0-21swapper/322:20:193
9109799120,11cyclictest0-21swapper/320:40:013
9109799120,11cyclictest0-21swapper/319:15:123
9109799120,11cyclictest0-21swapper/300:10:013
91097991111,0cyclictest0-21swapper/322:35:123
91097991111,0cyclictest0-21swapper/320:10:123
91097991111,0cyclictest0-21swapper/319:10:123
91097991110,0cyclictest0-21swapper/322:15:123
91097991110,0cyclictest0-21swapper/322:05:123
9109799110,10cyclictest0-21swapper/323:25:113
9109799110,10cyclictest0-21swapper/323:00:183
9109799110,10cyclictest0-21swapper/321:55:183
9109799110,10cyclictest0-21swapper/321:15:003
9109799110,10cyclictest0-21swapper/320:56:353
9109799110,10cyclictest0-21swapper/300:30:223
9109799110,0cyclictest0-21swapper/322:45:123
9109799110,0cyclictest0-21swapper/300:20:143
9109799109,0cyclictest0-21swapper/321:25:143
9109799109,0cyclictest0-21swapper/320:25:123
9109799109,0cyclictest0-21swapper/320:20:133
9109799109,0cyclictest0-21swapper/319:21:193
91097991010,0cyclictest0-21swapper/321:45:163
91097991010,0cyclictest0-21swapper/320:10:003
9109799100,9cyclictest0-21swapper/321:40:173
9109799100,0cyclictest0-21swapper/321:05:013
9109799100,0cyclictest0-21swapper/319:45:013
9109799100,0cyclictest0-21swapper/319:30:003
9109799100,0cyclictest0-21swapper/300:25:133
910979999,0cyclictest0-21swapper/323:13:073
910979999,0cyclictest0-21swapper/322:50:193
910979999,0cyclictest0-21swapper/321:40:003
910979999,0cyclictest0-21swapper/321:30:213
910979999,0cyclictest0-21swapper/300:15:183
910979998,0cyclictest0-21swapper/322:55:123
910979998,0cyclictest0-21swapper/320:00:013
910979998,0cyclictest0-21swapper/300:35:133
910979990,8cyclictest0-21swapper/323:50:193
910979990,8cyclictest0-21swapper/321:20:013
910979990,0cyclictest0-21swapper/323:45:183
910979988,0cyclictest0-21swapper/323:42:113
910979987,1cyclictest0-21swapper/322:10:123
910979987,0cyclictest0-21swapper/319:55:153
910979980,7cyclictest0-21swapper/319:39:563
90047281,5sleep30-21swapper/319:05:193
910979977,0cyclictest0-21swapper/323:15:153
910979977,0cyclictest0-21swapper/321:16:163
910979977,0cyclictest0-21swapper/320:40:113
910979977,0cyclictest0-21swapper/319:50:133
910979976,0cyclictest0-21swapper/322:30:113
90670271,1sleep20-21swapper/219:06:512
910979966,0cyclictest0-21swapper/323:05:203
910979965,0cyclictest0-21swapper/319:30:173
910979965,0cyclictest0-21swapper/300:10:173
14039860,2rtkit-daemon0-21swapper/019:05:180
910979955,0cyclictest0-21swapper/323:20:133
910979955,0cyclictest0-21swapper/320:15:123
910979955,0cyclictest0-21swapper/319:45:143
910979955,0cyclictest0-21swapper/300:01:043
910979954,0cyclictest0-21swapper/323:35:163
910979954,0cyclictest0-21swapper/320:31:583
910979952,2cyclictest0-21swapper/322:00:123
910979950,4cyclictest0-21swapper/322:40:193
910979944,0cyclictest0-21swapper/322:26:383
910979944,0cyclictest0-21swapper/320:50:423
910979940,2cyclictest0-21swapper/321:50:133
910979940,2cyclictest0-21swapper/321:05:133
90751242,1sleep10-21swapper/119:07:541
14039840,2rtkit-daemon766-21snmpd23:55:122
14039840,2rtkit-daemon766-21snmpd19:31:430
14039840,2rtkit-daemon766-21snmpd00:04:322
14039840,2rtkit-daemon691-21gmain22:33:310
14039840,2rtkit-daemon622-21wpa_supplicant00:09:432
14039840,2rtkit-daemon1410-21sendmail-mta20:53:170
14039840,2rtkit-daemon138309-21diskmemload22:07:420
14039840,2rtkit-daemon1-21systemd22:54:310
14039840,2rtkit-daemon1-21systemd22:03:000
14039840,2rtkit-daemon1-21systemd21:48:460
14039840,1rtkit-daemon93077-21munin-node19:41:300
14039840,1rtkit-daemon1410-21sendmail-mta00:18:582
190956231,1sleep0191063-21basename23:15:160
163798230,1sleep0163824-21apt-get22:10:120
14039830,2rtkit-daemon93077-21munin-node21:55:140
14039830,2rtkit-daemon138309-21diskmemload22:16:110
14039830,2rtkit-daemon1-21systemd00:35:512
14039830,2rtkit-daemon1-21systemd00:30:182
14039830,1rtkit-daemon93077-21munin-node23:30:232
14039830,1rtkit-daemon93077-21munin-node21:20:520
14039830,1rtkit-daemon769-21ntpd23:46:342
14039830,1rtkit-daemon769-21ntpd23:02:012
14039830,1rtkit-daemon766-21snmpd23:29:102
14039830,1rtkit-daemon766-21snmpd23:16:262
14039830,1rtkit-daemon766-21snmpd23:10:152
14039830,1rtkit-daemon622-21wpa_supplicant23:54:142
14039830,1rtkit-daemon328-21plymouthd23:42:382
14039830,1rtkit-daemon328-21plymouthd21:05:170
14039830,1rtkit-daemon156496-21vmstat21:50:220
14039830,1rtkit-daemon1-21systemd23:35:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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