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2026-04-03 - 07:31
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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 Fri Apr 03, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48832799140,12cyclictest0-21swapper/321:40:123
48832799130,8cyclictest0-21swapper/321:55:103
48832799130,12cyclictest0-21swapper/323:45:143
48832799120,11cyclictest0-21swapper/323:55:153
48832799120,11cyclictest0-21swapper/321:05:003
48832799120,11cyclictest0-21swapper/320:00:103
488327991110,0cyclictest0-21swapper/322:55:133
488327991110,0cyclictest0-21swapper/300:00:183
48832799110,11cyclictest0-21swapper/320:45:163
48832799110,10cyclictest0-21swapper/323:30:103
48832799110,10cyclictest0-21swapper/320:55:173
48832799110,10cyclictest0-21swapper/300:10:133
48832799110,0cyclictest0-21swapper/322:50:153
48832799110,0cyclictest0-21swapper/322:20:123
48832799110,0cyclictest0-21swapper/322:00:123
48832799110,0cyclictest0-21swapper/319:50:123
48832799110,0cyclictest0-21swapper/319:45:113
48832799110,0cyclictest0-21swapper/300:39:573
48832799110,0cyclictest0-21swapper/300:20:173
48832799108,1cyclictest0-21swapper/319:10:113
488327991010,0cyclictest0-21swapper/322:25:143
488327991010,0cyclictest0-21swapper/321:10:013
488327991010,0cyclictest0-21swapper/320:38:393
488327991010,0cyclictest0-21swapper/319:30:113
48832799100,9cyclictest0-21swapper/320:40:123
48832799100,9cyclictest0-21swapper/319:20:103
48832799100,0cyclictest0-21swapper/320:25:133
48832799100,0cyclictest0-21swapper/320:05:113
48832799100,0cyclictest0-21swapper/300:05:133
48832799100,0cyclictest0-21swapper/300:05:123
4883279999,0cyclictest0-21swapper/321:25:153
4883279999,0cyclictest0-21swapper/300:30:223
4883279998,0cyclictest0-21swapper/321:12:173
4883279998,0cyclictest0-21swapper/320:50:113
4883279997,0cyclictest0-21swapper/323:05:003
4883279990,9cyclictest0-21swapper/323:25:023
4883279990,8cyclictest0-21swapper/321:35:013
4883279990,8cyclictest0-21swapper/321:25:013
487105291,5sleep30-21swapper/319:05:143
4883279988,0cyclictest0-21swapper/323:50:103
4883279988,0cyclictest0-21swapper/323:17:413
4883279988,0cyclictest0-21swapper/323:13:413
4883279988,0cyclictest0-21swapper/322:45:173
4883279988,0cyclictest0-21swapper/320:20:163
4883279987,0cyclictest0-21swapper/322:35:153
4883279987,0cyclictest0-21swapper/321:40:013
4883279987,0cyclictest0-21swapper/320:30:133
4883279987,0cyclictest0-21swapper/319:15:153
4883279977,0cyclictest0-21swapper/323:30:003
4883279977,0cyclictest0-21swapper/322:30:133
4883279977,0cyclictest0-21swapper/321:15:133
4883279977,0cyclictest0-21swapper/300:20:013
4883279976,1cyclictest0-21swapper/323:41:023
4883279966,0cyclictest0-21swapper/323:05:183
4883279960,0cyclictest0-21swapper/321:50:213
487936261,1sleep20-21swapper/219:07:112
535166253,2sleep1766-21snmpd21:09:121
4883279955,0cyclictest0-21swapper/322:41:543
4883279955,0cyclictest0-21swapper/321:46:103
4883279955,0cyclictest0-21swapper/300:25:543
4883279954,0cyclictest0-21swapper/322:10:193
4883279954,0cyclictest0-21swapper/319:25:173
4883279951,2cyclictest0-21swapper/320:10:123
4883279950,4cyclictest0-21swapper/319:55:113
4883279950,2cyclictest0-21swapper/322:15:133
486614251,2sleep00-21swapper/019:05:120
14039850,2rtkit-daemon0-21swapper/119:06:451
565484240,3sleep0565559-21/usr/sbin/munin22:20:210
4883279944,0cyclictest0-21swapper/322:05:113
4883279940,2cyclictest0-21swapper/319:40:113
4883279940,2cyclictest0-21swapper/319:35:113
4883279940,2cyclictest0-21swapper/319:35:103
14039840,2rtkit-daemon596518-21df_inode23:35:151
14039840,2rtkit-daemon535243-21diskmemload21:45:571
14039840,2rtkit-daemon1-21systemd22:32:511
14039840,2rtkit-daemon1-21systemd21:43:391
14039840,2rtkit-daemon1-21systemd21:37:491
14039840,1rtkit-daemon766-21snmpd23:24:481
14039840,1rtkit-daemon691-21gmain00:25:281
14039840,1rtkit-daemon500483-21apt-get19:40:121
14039840,1rtkit-daemon1-21systemd19:17:421
559285230,2sleep0559534-21users22:05:200
540625230,2sleep0540869-21users21:20:210
4883279931,1cyclictest0-21swapper/320:15:123
4883279930,2cyclictest596082-21chrt23:35:073
14039830,2rtkit-daemon772-21lldpd22:51:101
14039830,2rtkit-daemon766-21snmpd22:00:181
14039830,2rtkit-daemon490294-21munin-node22:06:171
14039830,2rtkit-daemon1410-21sendmail-mta22:41:241
14039830,2rtkit-daemon1-21systemd20:33:211
14039830,1rtkit-daemon769-21ntpd23:42:571
14039830,1rtkit-daemon769-21ntpd19:29:291
14039830,1rtkit-daemon769-21ntpd19:11:511
14039830,1rtkit-daemon769-21ntpd00:32:071
14039830,1rtkit-daemon766-21snmpd23:17:491
14039830,1rtkit-daemon766-21snmpd23:06:181
14039830,1rtkit-daemon766-21snmpd21:21:521
14039830,1rtkit-daemon766-21snmpd19:58:121
14039830,1rtkit-daemon766-21snmpd00:16:391
14039830,1rtkit-daemon691-21gmain00:07:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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