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2026-08-16 - 07:32
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rack3slot7.osadl.org (updated Sun Aug 16, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/011162-21kworker/0:218:57:290
14991260watchdog/016685-21munin-node20:32:560
14991250watchdog/02798-21timerandwakeup21:32:560
14991220watchdog/03179-21runrttasks19:49:400
14991200watchdog/02792-21runrttasks20:59:240
14991200watchdog/019516-21nfs_client00:12:480
14991190watchdog/017723-21df_inode00:07:400
14991190watchdog/012564-21seq20:20:440
14991170watchdog/05366-21hostname21:42:360
14991160watchdog/012675-21chrt22:06:560
14991150watchdog/09279-21seq23:39:360
14991140watchdog/08020-21seq20:06:280
14991140watchdog/023920-21ntp_offset19:12:360
14991110watchdog/02792-21runrttasks23:12:440
14991110watchdog/02792-21runrttasks19:17:360
14991100watchdog/032092-21timerandwakeup23:08:000
14991100watchdog/025430-21aten2.4_r3power21:02:360
14991100watchdog/014170-21seq23:56:480
14991090watchdog/02792-21runrttasks21:49:240
14991080watchdog/025023-21sendmail00:32:160
14991080watchdog/012505-21runrttasks23:50:520
14991060watchdog/026182-21runrttasks22:48:520
6580210512sleep06617-21latency_hist20:02:170
14991050watchdog/014596-21load22:12:360
14991040watchdog/0497-21munin-node19:42:520
14991040watchdog/027569-21sed19:23:000
14991040watchdog/022805-21aten2.4_r3power19:07:520
14991030watchdog/019533-21nfs_client22:27:480
14991010watchdog/010022-21grep23:42:400
14991000watchdog/021309-21timerandwakeup20:47:560
1499980watchdog/00-21swapper20:54:440
223450960irq/11-eth027865-21runrttasks21:09:440
1499960watchdog/02792-21runrttasks22:25:160
80650950irq/14-ide020990-21sensors22:32:430
1499950watchdog/028528-21cpu22:57:400
1499950watchdog/010275-21awk20:12:440
1499950watchdog/00-21swapper19:57:000
1499930watchdog/08340-21apt-get21:52:360
1499920watchdog/00-21swapper23:23:360
80650910irq/14-ide029863-21latency_hist19:32:180
1499870watchdog/02792-21runrttasks21:15:280
20369988313cyclictest23643-21munin-node22:43:010
20369988311cyclictest20817-21df_inode00:17:390
20369988213cyclictest14414-21munin-node20:27:370
80650810irq/14-ide020431-21df19:02:210
20369988112cyclictest31840-21munin-node19:37:420
20369988012cyclictest31810-21forks21:22:420
20369988012cyclictest15892-21munin-node00:02:390
1499800watchdog/013065-21aten2.4_r3power22:07:360
20369987912cyclictest19747-21aten2.4_r3power20:42:530
20369987912cyclictest15932-21munin-node22:17:580
20369987912cyclictest12874-21munin-node20:22:400
20369987813cyclictest6931-21df_inode23:32:420
20369987812cyclictest28861-21nfs_client19:27:480
20369987812cyclictest27488-21latency22:52:560
20369987812cyclictest22588-21nfs_client00:22:480
20369987812cyclictest17668-21df20:37:360
1499780watchdog/0470-21munin-node21:28:000
1499780watchdog/014430-21idleruntime23:57:320
20369987718cyclictest3829-21aten2.4_r3power21:37:360
20369987715cyclictest31264-21cron21:22:160
20369987613cyclictest8376-21df20:07:340
20369987613cyclictest10545-21latency21:57:580
20369987612cyclictest2515-21nfs_client23:17:470
1499760watchdog/02792-21runrttasks23:28:120
1499760watchdog/022295-21munin-node22:37:360
20369987513cyclictest30529-21munin-node23:02:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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