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2026-01-05 - 02:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack4slot4.osadl.org (updated Mon Jan 05, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308652640chrt46650irq/116-QMan10:48:553
308652640chrt46650irq/116-QMan10:48:553
262392570chrt46450irq/118-QMan10:48:552
262392570chrt46450irq/118-QMan10:48:552
1599520migration/030401-21/usr/sbin/munin19:05:560
1599520migration/030401-21/usr/sbin/munin19:05:560
71450rcu_preempt0-21swapper/119:10:311
71450rcu_preempt0-21swapper/119:10:311
3081199444cyclictest0-21swapper/323:00:543
3081199444cyclictest0-21swapper/323:00:543
3081199434cyclictest0-21swapper/321:53:273
3081199434cyclictest0-21swapper/321:53:273
3081199434cyclictest0-21swapper/319:25:503
3081199434cyclictest0-21swapper/319:25:503
3081199431cyclictest29515-21ls21:00:543
3081199431cyclictest29515-21ls21:00:543
3081199431cyclictest29515-21ls21:00:543
3081199423cyclictest17846-21munin-run20:20:293
3081199423cyclictest17846-21munin-run20:20:293
3081199423cyclictest0-21swapper/322:41:053
3081199423cyclictest0-21swapper/322:41:053
3081199423cyclictest0-21swapper/321:45:533
3081199423cyclictest0-21swapper/321:45:533
3081199423cyclictest0-21swapper/321:29:103
3081199423cyclictest0-21swapper/321:29:103
3081199423cyclictest0-21swapper/320:00:433
3081199423cyclictest0-21swapper/320:00:433
3081199423cyclictest0-21swapper/320:00:433
3081199422cyclictest3557-21/usr/sbin/munin23:10:473
3081199422cyclictest3557-21/usr/sbin/munin23:10:473
71410rcu_preempt13409-21taskset23:26:491
71410rcu_preempt13409-21taskset23:26:491
71410rcu_preempt0-21swapper/122:59:001
71410rcu_preempt0-21swapper/122:59:001
3081199413cyclictest0-21swapper/323:30:553
3081199413cyclictest0-21swapper/323:30:553
3081199413cyclictest0-21swapper/323:30:553
3081199413cyclictest0-21swapper/323:17:313
3081199413cyclictest0-21swapper/323:17:313
3081199413cyclictest0-21swapper/322:55:533
3081199413cyclictest0-21swapper/322:55:533
3081199413cyclictest0-21swapper/322:13:163
3081199413cyclictest0-21swapper/322:13:163
3081199413cyclictest0-21swapper/321:10:413
3081199413cyclictest0-21swapper/321:10:413
3081199412cyclictest17477-21meminfo00:30:503
3081199412cyclictest17477-21meminfo00:30:503
3081199412cyclictest1344-21apt22:10:283
3081199412cyclictest1344-21apt22:10:283
3081199412cyclictest1344-21apt22:10:283
3081199412cyclictest10235-21users23:21:003
3081199412cyclictest10235-21users23:21:003
3081199412cyclictest0-21swapper/323:55:503
3081199412cyclictest0-21swapper/323:55:503
3081199412cyclictest0-21swapper/323:55:503
3081199411cyclictest18108-21df_abs23:35:433
3081199411cyclictest18108-21df_abs23:35:433
3081199411cyclictest18108-21df_abs23:35:433
30811994116cyclictest21349-21ssh00:37:153
30811994116cyclictest21349-21ssh00:37:153
30811994116cyclictest21349-21ssh00:37:153
30811994115cyclictest5585-21diskstats21:20:463
30811994115cyclictest5585-21diskstats21:20:463
30811994114cyclictest21026-21diskstats23:40:463
30811994114cyclictest21026-21diskstats23:40:463
30811994114cyclictest21026-21diskstats23:40:463
71400rcu_preempt19493-1kworker/0:0H21:45:400
71400rcu_preempt19493-1kworker/0:0H21:45:400
71400rcu_preempt0-21swapper/123:44:121
71400rcu_preempt0-21swapper/123:44:121
71400rcu_preempt0-21swapper/123:44:121
71400rcu_preempt0-21swapper/122:35:401
71400rcu_preempt0-21swapper/122:35:401
71400rcu_preempt0-21swapper/122:35:401
71400rcu_preempt0-21swapper/022:04:370
71400rcu_preempt0-21swapper/022:04:370
71400rcu_preempt0-21swapper/022:04:370
311042404sleep031111-21ssh23:58:020
311042404sleep031111-21ssh23:58:020
311042404sleep031111-21ssh23:58:020
3081199404cyclictest16302-21sed22:35:513
3081199404cyclictest16302-21sed22:35:513
3081199404cyclictest16302-21sed22:35:513
3081199404cyclictest0-21swapper/323:46:363
3081199404cyclictest0-21swapper/323:46:363
3081199403cyclictest0-21swapper/322:33:133
3081199403cyclictest0-21swapper/322:33:133
3081199403cyclictest0-21swapper/321:35:173
3081199403cyclictest0-21swapper/321:35:173
3081199403cyclictest0-21swapper/321:35:173
3081199403cyclictest0-21swapper/319:55:443
3081199403cyclictest0-21swapper/319:55:443
3081199403cyclictest0-21swapper/300:02:213
3081199403cyclictest0-21swapper/300:02:213
3081199402cyclictest28927-21munin-run21:00:293
3081199402cyclictest28927-21munin-run21:00:293
3081199402cyclictest28927-21munin-run21:00:293
3081199402cyclictest0-21swapper/300:10:283
3081199402cyclictest0-21swapper/300:10:283
30811994011cyclictest6023-21/usr/sbin/munin19:35:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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