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2025-08-30 - 04:17
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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 376 highest latencies:
System rack3slot7.osadl.org (updated Sat Aug 30, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940300watchdog/04212-21kworker/0:218:58:290
14991230watchdog/08392-21runrttasks00:23:570
14991220watchdog/04395-21munin-node22:28:490
14991220watchdog/020741-21aten2.4-expect19:48:570
14991210watchdog/02996-21runrttasks21:32:050
14991190watchdog/09802sleep020:31:530
14991190watchdog/05903-21latency_hist00:18:130
14991190watchdog/019301-21runrttasks23:14:450
14991180watchdog/05032-21entropy00:13:490
14991160watchdog/03079-21aten2.4_r3power22:23:330
14991160watchdog/02996-21runrttasks21:34:090
14991140watchdog/09754-21interrupts22:43:530
14991140watchdog/09118-21if_eth019:13:250
14991140watchdog/019817-21latency_hist23:18:130
14991140watchdog/012102-21latency_hist19:23:130
14991130watchdog/08006-21nfs_client19:08:410
14991130watchdog/02006-21netstat20:33:530
14991130watchdog/011638-21chrt21:05:170
14991120watchdog/0752-21sshd00:00:010
14991120watchdog/018038-21runrttasks23:12:090
14991110watchdog/012033-21latency_hist22:53:130
14991080watchdog/018683-21seq19:43:370
14991070watchdog/017224-21nfs_client19:38:410
14991070watchdog/015389-21df19:33:330
14991060watchdog/02996-21runrttasks19:07:130
14991050watchdog/029443-21munin-node23:48:370
14991050watchdog/024698-21aten2.4_r3power21:48:330
14991050watchdog/022119-21netstat21:38:570
14991050watchdog/013670-21munin-node22:58:570
14991040watchdog/030905-21df_inode22:08:330
14991040watchdog/023653-21timerandwakeup23:28:530
14991030watchdog/030040-21chrt22:04:170
14991030watchdog/014002-21sed21:13:370
14991020watchdog/031429-21seq23:53:570
83850980irq/14-ide02996-21runrttasks20:48:420
83850940irq/14-ide010488-21sed00:33:130
243550900irq/11-eth024259-21runrttasks21:47:310
31860ksoftirqd/026411-21sed23:38:370
243550840irq/11-eth013932-21cpu19:28:360
5702988213cyclictest18173-21idleruntime-cro21:28:110
5702988113cyclictest9478-21aten2.4_r3power20:58:390
5702988113cyclictest29904-21sendmail_mailqu20:18:540
5702988013cyclictest4276-21latency_hist20:43:130
5702988013cyclictest10843-21cpu19:18:330
5702988012cyclictest7673-21df22:38:300
5702988012cyclictest21847-21nfs_client23:23:420
243550800irq/11-eth08107-21kernelversion20:53:470
1499800watchdog/032444-21cpu22:13:330
5702987913cyclictest6589-21aten2.4_r3power22:33:470
5702987913cyclictest31412-21latency20:23:540
5702987913cyclictest25102-21munin-node23:33:470
5702987913cyclictest1465-21munin-node00:03:340
5702987813cyclictest15217-21munin-node21:18:440
5702987812cyclictest12591-21nfs_client22:53:410
5702987811cyclictest3650-21latency20:38:570
5702987713cyclictest26500-21nfs_client21:53:420
5702987713cyclictest1640-21unixbench_singl22:18:370
5702987713cyclictest15753-21grep23:03:440
5702987712cyclictest21922-21nfs_client19:53:440
5702987712cyclictest131292sleep021:09:510
1499770watchdog/027557-21munin-node21:58:530
1499770watchdog/026916-21aten2.4-expect20:09:010
1499770watchdog/023299-21grep19:58:370
5702987612cyclictest5696-21munin-node23:43:220
5702987612cyclictest24976-21nfs_client20:03:420
1499760watchdog/03727-21chrt00:08:570
1499750watchdog/027621-21tr20:13:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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