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2026-04-26 - 05:18
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot2.osadl.org (updated Sun Apr 26, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322172201185,12sleep10-21swapper/119:07:071
321332196180,11sleep30-21swapper/319:06:053
323862184166,13sleep00-21swapper/019:09:190
302212176159,12sleep20-21swapper/219:05:082
79062480,0sleep20-21swapper/221:46:422
126662460,0sleep20-21swapper/222:52:232
35702440,0sleep10-21swapper/123:20:091
234242440,0sleep00-21swapper/022:41:350
142512430,0sleep00-21swapper/022:53:210
53642420,0sleep10-21swapper/122:33:051
53642420,0sleep10-21swapper/122:33:051
90172390,0sleep20-21swapper/221:31:242
274832120,0sleep00-21swapper/021:40:190
245322100,0sleep00-21swapper/021:23:380
326669991,4cyclictest31854-21ssh23:50:000
326669973,4cyclictest25239-21perf21:40:010
326669972,5cyclictest32476-21kworker/0:100:39:390
326669971,3cyclictest25839-21munin-run20:00:000
326729960,1cyclictest20871-21ssh21:37:233
326679961,3cyclictest0-21swapper/122:05:131
326669962,4cyclictest32476-21kworker/0:123:10:100
326669962,4cyclictest32476-21kworker/0:121:50:520
326669962,4cyclictest32476-21kworker/0:100:13:510
326669962,4cyclictest15921-21basename20:45:000
326669961,5cyclictest32476-21kworker/0:123:16:350
326669961,5cyclictest32476-21kworker/0:122:14:150
326669961,5cyclictest32476-21kworker/0:121:55:080
326669961,5cyclictest32476-21kworker/0:100:25:150
326669961,5cyclictest32476-21kworker/0:100:09:100
326669960,3cyclictest18388-21awk20:50:000
326669960,3cyclictest10964-21idleruntime-cro20:35:000
7952250,0sleep30-21swapper/323:37:483
326729955,0cyclictest0-21swapper/300:22:233
326729953,1cyclictest31271-21ssh22:30:133
326729953,1cyclictest31271-21ssh22:30:133
326729950,5cyclictest0-21swapper/323:25:383
326729950,5cyclictest0-21swapper/322:45:453
326729950,5cyclictest0-21swapper/322:09:153
326729950,5cyclictest0-21swapper/321:45:413
326729950,5cyclictest0-21swapper/300:08:163
326729950,4cyclictest4213-21rm23:20:133
326729950,4cyclictest22425-21apt-get22:10:023
326729950,0cyclictest0-21swapper/323:04:233
326729950,0cyclictest0-21swapper/321:33:353
326729950,0cyclictest0-21swapper/300:18:273
326689954,1cyclictest57150irq/125-eth022:25:122
326689950,5cyclictest0-21swapper/223:35:192
326689950,5cyclictest0-21swapper/222:05:232
326679951,2cyclictest0-21swapper/121:15:131
326679951,2cyclictest0-21swapper/120:45:121
326679951,2cyclictest0-21swapper/120:40:111
326679951,2cyclictest0-21swapper/119:45:121
326679950,5cyclictest0-21swapper/122:10:041
326679950,5cyclictest0-21swapper/121:34:171
326669952,3cyclictest32476-21kworker/0:123:25:590
326669952,3cyclictest32476-21kworker/0:122:32:410
326669952,3cyclictest32476-21kworker/0:122:32:410
326669952,3cyclictest32476-21kworker/0:121:33:320
326669952,3cyclictest32476-21kworker/0:121:25:590
326669952,3cyclictest32476-21kworker/0:100:04:530
326669951,4cyclictest32476-21kworker/0:123:55:110
326669951,4cyclictest32476-21kworker/0:123:51:430
326669951,4cyclictest32476-21kworker/0:123:41:430
326669951,4cyclictest32476-21kworker/0:123:35:270
326669951,4cyclictest32476-21kworker/0:123:31:470
326669951,4cyclictest32476-21kworker/0:123:01:170
326669951,4cyclictest32476-21kworker/0:122:48:150
326669951,4cyclictest32476-21kworker/0:122:27:430
326669951,4cyclictest32476-21kworker/0:122:18:150
326669951,4cyclictest32476-21kworker/0:122:05:410
326669951,4cyclictest32476-21kworker/0:121:45:240
326669951,4cyclictest32476-21kworker/0:121:10:080
326669951,4cyclictest32476-21kworker/0:100:22:390
326669951,4cyclictest32476-21kworker/0:100:19:050
326669950,5cyclictest32476-21kworker/0:121:15:080
326669950,5cyclictest32476-21kworker/0:119:50:190
326669950,4cyclictest2698-21munin-node19:15:010
2157250,0sleep10-21swapper/122:00:141
326729944,0cyclictest2831-21kworker/3:221:18:493
326729944,0cyclictest0-21swapper/323:49:213
326729944,0cyclictest0-21swapper/321:58:283
326729944,0cyclictest0-21swapper/319:49:333
326729943,1cyclictest19596-21irqstats20:50:163
326729942,1cyclictest10183-21ssh22:35:163
326729941,2cyclictest15356-21latency_hist23:10:003
326729941,2cyclictest0-21swapper/322:20:133
326729940,4cyclictest26094-21sed23:30:213
326729940,4cyclictest0-21swapper/320:05:053
326729940,3cyclictest7352-21ntp_states19:20:173
326729940,3cyclictest28802-21/usr/sbin/munin21:10:213
326729940,3cyclictest2822-21users19:15:003
326729940,3cyclictest16470-21perl23:10:133
326729940,1cyclictest457-21diskstats23:50:133
326729940,1cyclictest27904-21df_inode21:25:143
326729940,0cyclictest0-21swapper/323:18:293
326729940,0cyclictest0-21swapper/300:27:113
326729940,0cyclictest0-21swapper/300:04:203
326689944,0cyclictest0-21swapper/222:03:042
326689944,0cyclictest0-21swapper/221:52:272
326689944,0cyclictest0-21swapper/200:38:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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