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2026-06-03 - 04:16
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Wed Jun 03, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/08142-21kworker/0:219:02:270
14991280watchdog/0225422sleep019:16:140
14991260watchdog/05675-21idleruntime23:42:220
14991260watchdog/02792-21runrttasks23:28:500
14991260watchdog/02792-21runrttasks21:00:500
14991250watchdog/021679-21seq19:09:540
14991220watchdog/021336-21df_inode22:47:340
14991210watchdog/031725-21seq21:36:580
14991210watchdog/02928-21unixbench_singl20:02:380
14991200watchdog/011068-21cstates23:57:540
14991190watchdog/03080-21nfs_client21:47:420
14991180watchdog/012078-21df_inode22:17:340
14991170watchdog/030516-21munin-node23:17:300
14991170watchdog/02792-21runrttasks19:20:500
14991140watchdog/018196-21munin-node22:37:300
14991120watchdog/02792-21runrttasks20:40:100
14991120watchdog/021360-21df_inode21:02:340
14991100watchdog/07331-21munin-node23:47:300
14991100watchdog/015602-21aten2.4_r3power20:42:500
14991100watchdog/011773-21munin-node00:02:340
14991090watchdog/05093-21runrttasks23:38:580
14991090watchdog/029165-21sh23:12:340
14991080watchdog/032574-21runrttasks23:22:500
14991080watchdog/027467-21aten2.4_r3power21:22:300
223450950irq/11-eth09071-21unixbench_singl23:52:350
223450940irq/11-eth01472-21nfs_client21:42:400
80650900irq/14-ide07512-21df_inode22:02:340
80650890irq/14-ide03928-21latency_hist23:37:120
20284988613cyclictest19987-21awk22:42:400
1499860watchdog/0300702sleep019:45:460
1499860watchdog/026277-21munin-node21:17:420
223450850irq/11-eth013397-21sensors00:07:250
1499850watchdog/02792-21runrttasks22:30:100
20284988412cyclictest9588-21aten2.4_r3power22:07:540
20284988326cyclictest19952-21nfs_client00:27:410
1499830watchdog/017318-21aten2.4-expect22:32:540
80650820irq/14-ide032719-21missed_timers19:52:540
20284988214cyclictest4109-21munin-node20:07:360
20284988213cyclictest28812-21munin-node21:27:440
1499820watchdog/031080-21munin-node19:47:500
80650810irq/14-ide032417-21nfs_client21:37:400
1499810watchdog/013407-21sed22:22:220
1499810watchdog/010819-21nfs_client20:27:420
80650800irq/14-ide027105-21sh23:07:100
223450800irq/11-eth02792-21runrttasks23:07:230
20284988029cyclictest25171-21df19:27:240
20284988013cyclictest10307-21mailstats22:12:220
20284988012cyclictest7834-21munin-node20:17:440
419327912sleep04205-21awk21:52:270
223450790irq/11-eth023443-21missed_timers21:07:540
20284987913cyclictest5654-21mailstats20:12:210
20284987913cyclictest23064-21munin-node22:52:400
20284987812cyclictest18082-21df00:22:290
1499780watchdog/024692-21nfs_client21:12:420
20284987727cyclictest9372-21munin-node20:22:440
20284987713cyclictest28756-21wc19:42:100
20284987713cyclictest21532-21nfs_client00:32:410
1499770watchdog/05669-21munin-node21:57:220
1499770watchdog/017290-21cstates20:47:540
20284987613cyclictest17279-21aten2.4_r3power00:17:560
20284987613cyclictest15597-21timerandwakeup00:12:540
1499760watchdog/027153-21apt19:37:100
1499760watchdog/01529-21grep19:57:420
20284987513cyclictest24151-21sendmail_mailtr22:57:200
20284987513cyclictest18724-21timerandwakeup20:52:500
223450740irq/11-eth024798-21chrt19:26:140
20284987412cyclictest12033-21aten2.4_r3power20:32:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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