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2026-07-16 - 12:05
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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 Thu Jul 16, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317492200183,12sleep30-21swapper/319:07:053
317662199183,12sleep00-21swapper/019:07:180
318442175159,11sleep10-21swapper/119:08:191
316912175157,13sleep20-21swapper/219:06:202
201012640,0sleep00-21swapper/022:10:010
287712480,0sleep20-21swapper/222:30:132
240152470,1sleep13217899cyclictest23:31:451
143712460,0sleep014367-21ssh21:35:140
67112440,0sleep10-21swapper/122:03:131
129342420,0sleep00-21swapper/022:38:190
259502130,0sleep10-21swapper/123:00:191
3217799102,4cyclictest5578-21awk22:35:010
321779991,4cyclictest15183-21idleruntime-cro20:45:000
321779981,3cyclictest9604-21perf22:05:010
321839960,5cyclictest0-21swapper/219:15:102
321779962,4cyclictest2349-21kworker/0:123:43:350
321779962,4cyclictest2349-21kworker/0:123:10:190
321779962,4cyclictest2349-21kworker/0:100:31:310
321779961,5cyclictest2349-21kworker/0:123:26:450
321779961,5cyclictest2349-21kworker/0:122:47:310
321779961,5cyclictest2349-21kworker/0:122:40:190
321779961,5cyclictest2349-21kworker/0:121:47:560
321779961,5cyclictest2349-21kworker/0:121:15:200
321779961,5cyclictest2349-21kworker/0:120:50:150
321779961,5cyclictest2349-21kworker/0:100:25:120
321779961,5cyclictest2349-21kworker/0:100:21:350
321779961,5cyclictest2349-21kworker/0:100:17:230
321779961,5cyclictest2349-21kworker/0:100:00:150
321779960,5cyclictest0-21swapper/022:15:110
321779960,4cyclictest29731-21sh23:35:120
321779960,3cyclictest25348-21sendmail-msp20:00:010
321779960,3cyclictest17741-21munin-run22:25:010
321879955,0cyclictest0-21swapper/322:27:013
321879954,1cyclictest0-21swapper/300:00:253
321879951,2cyclictest0-21swapper/320:10:103
321839955,0cyclictest0-21swapper/200:36:172
321839954,1cyclictest31-21ksoftirqd/219:40:182
321839953,2cyclictest28335-21kworker/2:323:38:252
321839952,2cyclictest802-21snmpd22:05:102
321839951,4cyclictest0-21swapper/223:15:112
321839950,5cyclictest0-21swapper/223:42:272
321839950,5cyclictest0-21swapper/222:56:192
321839950,5cyclictest0-21swapper/220:30:222
321839950,5cyclictest0-21swapper/200:32:392
321839950,5cyclictest0-21swapper/200:25:222
321839950,4cyclictest6088-21ssh22:35:122
321789951,2cyclictest0-21swapper/120:20:111
321789951,2cyclictest0-21swapper/119:40:111
321789950,5cyclictest0-21swapper/121:52:061
321779952,3cyclictest2349-21kworker/0:123:07:220
321779952,3cyclictest2349-21kworker/0:100:09:190
321779951,4cyclictest7776-21basename20:30:000
321779951,4cyclictest2349-21kworker/0:123:45:350
321779951,4cyclictest2349-21kworker/0:123:21:070
321779951,4cyclictest2349-21kworker/0:123:00:550
321779951,4cyclictest2349-21kworker/0:122:52:350
321779951,4cyclictest2349-21kworker/0:122:07:070
321779951,4cyclictest2349-21kworker/0:121:56:040
321779951,4cyclictest2349-21kworker/0:121:40:470
321779951,4cyclictest2349-21kworker/0:121:23:560
321779951,4cyclictest2349-21kworker/0:120:55:190
321779951,4cyclictest17663-21munin-run20:50:000
321779950,5cyclictest2349-21kworker/0:123:55:190
321779950,5cyclictest2349-21kworker/0:123:15:110
321779950,5cyclictest2349-21kworker/0:100:12:110
321779950,5cyclictest0-21swapper/020:35:120
321779950,0cyclictest27550-21diskmemload23:53:520
3152250,0sleep10-21swapper/121:29:551
321879944,0cyclictest0-21swapper/323:22:103
321879944,0cyclictest0-21swapper/321:42:303
321879944,0cyclictest0-21swapper/321:19:043
321879943,1cyclictest13129-21diskstats00:15:123
321879942,1cyclictest30540-21ssh21:26:473
321879942,1cyclictest26630-21ssh23:00:363
321879942,1cyclictest1154-21ssh22:32:173
321879941,3cyclictest22441-21cpuspeed_turbos23:15:123
321879941,1cyclictest4671-21unixbench_multi00:10:223
321879940,4cyclictest16771-21munin-run23:45:003
321879940,4cyclictest16587-21df_inode21:20:143
321879940,4cyclictest14594-21/usr/sbin/munin22:55:133
321879940,4cyclictest11725-21ntp_states20:35:183
321879940,4cyclictest0-21swapper/323:32:303
321879940,4cyclictest0-21swapper/322:54:273
321879940,4cyclictest0-21swapper/322:10:013
321879940,4cyclictest0-21swapper/322:00:123
321879940,4cyclictest0-21swapper/321:53:163
321879940,4cyclictest0-21swapper/321:36:493
321879940,4cyclictest0-21swapper/321:31:113
321879940,4cyclictest0-21swapper/320:30:103
321879940,4cyclictest0-21swapper/320:24:443
321879940,4cyclictest0-21swapper/319:25:113
321879940,4cyclictest0-21swapper/300:35:123
321879940,4cyclictest0-21swapper/300:32:203
321879940,4cyclictest0-21swapper/300:23:413
321879940,4cyclictest0-21swapper/300:05:123
321879940,3cyclictest7953-21sh23:07:473
321879940,3cyclictest4334-21apt-get23:55:003
321879940,3cyclictest31614-21sh21:11:163
321879940,3cyclictest30651-21hddtemp_smartct23:35:143
321879940,3cyclictest30352-21diskmemload22:15:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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