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2025-11-12 - 02:39
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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 50 highest latencies:
System rack3slot7.osadl.org (updated Wed Nov 12, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940320watchdog/026536-21kworker/0:218:53:410
14991300watchdog/02996-21runrttasks22:10:370
14991300watchdog/015718-21latency_hist19:58:250
14991300watchdog/012556-21latency_hist21:33:250
14991290watchdog/06374-21latency_hist22:58:250
14991290watchdog/022301-21unixbench_singl22:03:490
14991280watchdog/019516-21aten2.4_r3power20:09:010
14991250watchdog/09722-21df23:08:450
14991250watchdog/011345-21aten2.4_r3power19:43:450
14991240watchdog/08273-21aten2.4_r3power21:18:450
14991240watchdog/031207-21munin-node22:34:090
14991240watchdog/029589-21latency_hist00:13:260
14991220watchdog/03755-21df_inode22:48:490
14991220watchdog/026632-21idleruntime00:03:380
14991220watchdog/026577-21munin-node20:33:450
14991220watchdog/022301-21unixbench_singl20:18:490
14991210watchdog/09456-21latency_hist23:08:250
14991210watchdog/028083-21date22:23:250
14991200watchdog/026799-21aten2.4_r3power22:18:450
14991190watchdog/06711-21seq19:28:450
14991160watchdog/0929-21aten2.4-expect00:24:020
14991150watchdog/02996-21runrttasks21:51:450
14991150watchdog/019690-21cstates23:39:100
14991140watchdog/02996-21runrttasks19:38:010
14991130watchdog/02681-21cstates22:44:090
14991120watchdog/02996-21runrttasks00:00:060
14991120watchdog/028691-21needreboot20:39:010
14991120watchdog/014124-21latency_hist23:23:260
14991110watchdog/032078-21aten2.4_r3power19:04:090
14991110watchdog/02996-21runrttasks20:53:490
14991100watchdog/0184282sleep020:05:570
14991080watchdog/032672-21latency_hist00:23:260
14991030watchdog/0155762sleep023:28:020
14991020watchdog/030321-21tail18:59:010
243550990irq/11-eth031636-21sensors_fan20:48:520
83850940irq/14-ide017626-21df_inode23:33:500
243550940irq/11-eth03923-21nfs_client21:03:560
243550910irq/11-eth010253-21sh21:24:040
243550880irq/11-eth055952sleep021:09:000
243550850irq/11-eth021128-21timerandwakeup23:44:060
243550830irq/11-eth025048-21munin-node20:29:040
1499820watchdog/011328-21swap23:13:450
1499810watchdog/07185-21processes21:14:050
1499810watchdog/02996-21runrttasks19:15:250
1499810watchdog/023948-21nfs_client20:23:570
29408988014cyclictest2996-21runrttasks19:25:030
243550800irq/11-eth02996-21runrttasks19:10:100
1499800watchdog/05814-21cstates22:54:090
29408987912cyclictest30164-21nfs_client20:43:550
29408987912cyclictest20404-21munin-node20:13:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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