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2025-12-10 - 22:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack7slot3.osadl.org (updated Wed Dec 10, 2025 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26930258225sleep26931-21mailstats07:05:570
2742899274247cyclictest27030-21munin-node0
2742899267240cyclictest29814-21ssh09:41:330
2742899265236cyclictest2993-21ssh12:32:450
2742899264234cyclictest24204-21diskmemload11:42:220
274289926265cyclictest4446-21tr12:40:030
2742899262236cyclictest17111-21ssh11:11:050
2742899262233cyclictest9078-21munin-run10:35:150
2742899261236cyclictest14391-21chrt08:32:290
2742899260226cyclictest26611-21ssh09:26:570
2742899259234cyclictest18556-21apt-get11:17:030
2742899258233cyclictest27470-21perl09:31:160
2742899258232cyclictest13494-21cron10:55:390
2742899256227cyclictest15348-21sh11:02:180
2742899255230cyclictest19850-21ssh11:23:090
2742899255226cyclictest9523-21processes08:11:520
2742899254228cyclictest2933-21netwatch08:30:200
2742899254225cyclictest1984-21ssh12:29:190
2742899253223cyclictest6564-21sh10:22:390
2742899253210cyclictest25990-21kworker/u2:108:35:550
2742899252227cyclictest13098-21ssh10:52:250
2742899252220cyclictest5400-21ssh10:17:150
2742899252220cyclictest2932-21runrttasks08:45:340
274289925153cyclictest21356-21df11:30:360
2742899251225cyclictest23055-21sshd11:37:140
2742899251222cyclictest29323-21sh12:06:100
2742899251220cyclictest10331-21ssh10:40:390
2742899251218cyclictest26901-21ssh11:55:310
274289925046cyclictest28439-21ssh12:01:400
2742899250224cyclictest2001-21ntpq10:02:160
2742899250223cyclictest394-1kworker/0:1H11:07:140
2742899250189cyclictest24993-21sh09:20:320
2742899250189cyclictest11135-21ssh10:44:020
2742899249224cyclictest368-21df_inode09:55:440
2742899249221cyclictest4369-21ssh10:12:290
2742899249218cyclictest29876-21latency_hist07:20:280
2742899249218cyclictest19435-21fschecks_count08:55:390
2742899249186cyclictest21615-21sshd11:31:150
2742899249184cyclictest394-1kworker/0:1H12:16:020
2742899248223cyclictest7158-21fschecks_count10:25:520
2742899248223cyclictest31154-21netwatch12:14:320
2742899248217cyclictest23785-21munin-run09:15:100
2742899248216cyclictest8548-21ls08:07:090
2742899248216cyclictest25862-21ssh09:24:230
274289924773cyclictest12323-21chrt08:25:120
274289924656cyclictest2543-21Xorg07:43:180
274289924654cyclictest20671-21perl09:00:500
2742899246221cyclictest6042-21ps07:56:480
2742899246221cyclictest18995-21runrttasks08:52:400
2742899245220cyclictest27724-21perl07:10:490
2742899245219cyclictest12405-21modprobe10:50:160
2742899245217cyclictest7416-21unixbench_singl08:02:120
2742899245214cyclictest3680-21ntp_offset07:46:180
2742899245214cyclictest24955-21fschecks_time11:46:140
2742899245213cyclictest10594-21chrt08:16:350
274289924466cyclictest30898-21ssh09:46:270
2742899244217cyclictest1096-21ssh09:58:520
2742899244213cyclictest1574-21grep07:37:160
2742899243217cyclictest22644-21ssh09:10:100
2742899243212cyclictest32726-21grep12:21:230
2742899243212cyclictest2708-21netwatch10:05:430
274289924283cyclictest31683-21timerandwakeup07:27:100
2742899242214cyclictest29292-21cron09:40:000
2742899242213cyclictest16165-21ping08:41:040
2742899242179cyclictest4474-21sort07:50:370
2742899240217cyclictest29959-21runrttasks07:20:420
274289923573cyclictest32578-21ntp_states07:31:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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