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2025-12-25 - 06:25
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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 Thu Dec 25, 2025 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71840rcu_preempt6015-21ssh23:05:430
71840rcu_preempt6015-21ssh23:05:430
71840rcu_preempt6015-21ssh23:05:430
71620rcu_preempt32441-21df_inode20:55:322
71620rcu_preempt32441-21df_inode20:55:322
71570rcu_preempt0-21swapper/021:28:220
71570rcu_preempt0-21swapper/021:28:220
2950995425cyclictest10671-21diskstats00:10:330
2950995425cyclictest10671-21diskstats00:10:330
2950995230cyclictest4319-21df_inode21:10:310
2950995230cyclictest4319-21df_inode21:10:310
2950995226cyclictest19001-21/usr/sbin/munin00:25:350
2950995226cyclictest19001-21/usr/sbin/munin00:25:350
2950995226cyclictest19001-21/usr/sbin/munin00:25:350
2950995132cyclictest22945-21diskstats23:35:320
2950995132cyclictest22945-21diskstats23:35:320
2950995131cyclictest1749-21ntp_states21:00:430
2950995131cyclictest1749-21ntp_states21:00:430
2950995131cyclictest1749-21ntp_states21:00:430
2950995123cyclictest0-21swapper/022:26:190
2950995123cyclictest0-21swapper/022:26:190
2950995030cyclictest32664-21munin-run22:00:170
2950995030cyclictest32664-21munin-run22:00:170
2950995030cyclictest22888-21meminfo20:20:360
2950995030cyclictest22888-21meminfo20:20:360
2950995029cyclictest8476-21users00:05:450
2950995029cyclictest8476-21users00:05:450
2950995029cyclictest18728-21memory20:05:380
2950995029cyclictest18728-21memory20:05:380
2950995028cyclictest21758-1kworker/0:2H00:35:450
2950995028cyclictest21758-1kworker/0:2H00:35:450
2950995028cyclictest21758-1kworker/0:2H00:35:450
2950995028cyclictest13900-21munin-run23:20:160
2950995028cyclictest13900-21munin-run23:20:160
2950994929cyclictest5851-21apt19:20:260
2950994929cyclictest5851-21apt19:20:260
2950994929cyclictest5244-21munin-run23:05:160
2950994929cyclictest5244-21munin-run23:05:160
2950994928cyclictest8571-21diskstats23:10:320
2950994928cyclictest8571-21diskstats23:10:320
2950994928cyclictest8571-21diskstats23:10:320
2950994928cyclictest25212-21ssh22:42:530
2950994928cyclictest25212-21ssh22:42:530
2950994925cyclictest0-21swapper/021:41:490
2950994925cyclictest0-21swapper/021:41:490
2950994925cyclictest0-21swapper/019:10:320
2950994925cyclictest0-21swapper/019:10:320
2950994924cyclictest0-21swapper/022:10:580
2950994924cyclictest0-21swapper/022:10:580
2950994924cyclictest0-21swapper/022:10:580
1599490migration/02739-21taskset19:08:030
1599490migration/02739-21taskset19:08:030
295599481cyclictest14801-21/usr/sbin/munin22:25:421
295599481cyclictest14801-21/usr/sbin/munin22:25:421
2950994829cyclictest1959-21runrttasks00:15:250
2950994829cyclictest1959-21runrttasks00:15:250
2950994828cyclictest26304-21/usr/sbin/munin22:45:360
2950994828cyclictest26304-21/usr/sbin/munin22:45:360
2950994827cyclictest7309-21irqstats21:15:350
2950994827cyclictest7309-21irqstats21:15:350
2950994827cyclictest7309-21irqstats21:15:350
2950994827cyclictest12932-21sh22:20:480
2950994827cyclictest12932-21sh22:20:480
2950994825cyclictest0-21swapper/023:57:260
2950994825cyclictest0-21swapper/023:57:260
2950994737cyclictest16147-21apt-get00:20:250
2950994737cyclictest16147-21apt-get00:20:250
2950994735cyclictest16943-21apt-get20:00:280
2950994735cyclictest16943-21apt-get20:00:280
2950994729cyclictest651-21diskstats22:00:330
2950994729cyclictest651-21diskstats22:00:330
2950994726cyclictest20999-21taskset23:31:210
2950994726cyclictest20999-21taskset23:31:210
2950994726cyclictest20569-21apt-get22:35:270
2950994726cyclictest20569-21apt-get22:35:270
2950994726cyclictest20569-21apt-get22:35:270
2950994726cyclictest15607-21/usr/sbin/munin21:30:450
2950994726cyclictest15607-21/usr/sbin/munin21:30:450
2950994726cyclictest15607-21/usr/sbin/munin21:30:450
2950994725cyclictest0-21swapper/023:52:450
2950994725cyclictest0-21swapper/023:52:450
2950994725cyclictest0-21swapper/019:55:420
2950994725cyclictest0-21swapper/019:55:420
2950994725cyclictest0-21swapper/019:55:420
2950994724cyclictest0-21swapper/019:35:300
2950994724cyclictest0-21swapper/019:35:300
2950994724cyclictest0-21swapper/019:35:300
295599463cyclictest0-21swapper/122:00:361
295599463cyclictest0-21swapper/122:00:361
2950994636cyclictest29415-21apt-get20:45:270
2950994636cyclictest29415-21apt-get20:45:270
2950994635cyclictest19630-21munin-run23:30:160
2950994635cyclictest19630-21munin-run23:30:160
2950994627cyclictest9479-21ssh22:15:340
2950994627cyclictest9479-21ssh22:15:340
2950994627cyclictest9479-21ssh22:15:340
2950994627cyclictest24407-21sed21:45:290
2950994627cyclictest24407-21sed21:45:290
2950994626cyclictest26249-21rt-features23:40:440
2950994626cyclictest26249-21rt-features23:40:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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