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2026-03-20 - 06:28
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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 the highest latencies:
System rack3slot7.osadl.org (updated Fri Mar 20, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/012105-21kworker/0:118:58:520
14991330watchdog/021862-21grep22:39:070
14991310watchdog/024441-21munin-node21:04:070
14991290watchdog/018227-21latency_hist20:43:390
14991280watchdog/02893-21df23:23:550
14991280watchdog/01263-21munin-node19:48:470
14991260watchdog/030680-21if_eth021:23:510
14991230watchdog/015626-21nfs_client00:04:070
14991230watchdog/012471-21unixbench_singl20:24:030
14991220watchdog/03019-21runrttasks23:41:150
14991220watchdog/022944-21df00:28:550
14991210watchdog/04012-21seq19:56:270
14991210watchdog/020980-21runrttasks20:51:350
14991210watchdog/0192432sleep022:30:150
14991200watchdog/026659-21aten2.4_r3power21:09:150
14991190watchdog/021766-21nfs_client00:24:070
14991180watchdog/04877-21nfs_client21:44:070
14991180watchdog/022901-21munin-node20:59:070
14991170watchdog/03019-21runrttasks20:17:150
14991170watchdog/024477-21runrttasks19:18:470
14991160watchdog/026332-21df_inode19:23:590
14991150watchdog/020287-21nfs_client22:34:070
14991150watchdog/013510-21sendmail-msp22:13:390
14991140watchdog/021992-21kernelversion19:09:110
14991140watchdog/019847-21munin-node19:04:030
14991130watchdog/04904-21needreboot23:29:110
14991130watchdog/017337-21kernelversion20:39:110
14991110watchdog/032643-21nfs_client23:14:070
14991110watchdog/010466-21latency_hist22:03:390
14991080watchdog/025862sleep023:23:190
14991080watchdog/016944-21egrep22:23:590
2460501040irq/11-eth07459-21mailstats21:53:480
823501000irq/14-ide012314-21df_inode23:54:020
246050990irq/11-eth031388-21missed_timers23:09:200
246050990irq/11-eth028423-21munin-node19:29:200
246050970irq/11-eth011198-21runrttasks23:49:190
246050910irq/11-eth03019-21runrttasks21:31:080
82350870irq/14-ide028907-21cron23:03:370
246050870irq/11-eth04729-21awk19:59:000
246050870irq/11-eth022949-21idleruntime22:43:500
1499870watchdog/026469-21cut22:54:070
19596988420cyclictest2786-21munin-node21:38:510
19596988413cyclictest14094-21nfs_client23:59:070
246050830irq/11-eth030698-21mailstats19:38:490
246050820irq/11-eth09090-21df23:43:550
246050820irq/11-eth06129-21load20:03:570
1499820watchdog/029524-21expr23:04:070
19596988112cyclictest5919-21mailstats23:33:490
1499810watchdog/027933-21unixbench_singl21:14:030
246050800irq/11-eth021132-21runrttasks00:23:250
19596988015cyclictest17372-21netstat00:09:200
19596988013cyclictest3019-21runrttasks20:55:140
19596988013cyclictest18351-21df00:13:560
246050790irq/11-eth032439-21grep19:43:590
19596987914cyclictest30557-21latency_hist19:38:380
19596987913cyclictest5994-21ntp_states21:48:520
1499790watchdog/01912-21cpuspeed21:34:150
19596987813cyclictest14099-21nfs_client22:14:070
19596987812cyclictest11309-21latency22:04:200
1499780watchdog/029031-21latency_hist21:18:390
19596987613cyclictest22954-21mailstats19:13:470
19596987613cyclictest16184-21runrttasks22:20:220
19596987513cyclictest24405-21munin-node22:48:500
19596987512cyclictest7871-21unixbench_singl20:09:030
19596987512cyclictest15943-21timerandwakeup20:34:190
19596987512cyclictest13811-21df20:28:540
19596987413cyclictest3019-21runrttasks20:19:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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