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2025-12-11 - 09:54
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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 Thu Dec 11, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/029394-21kworker/0:018:51:460
14991280watchdog/08094-21cpu22:41:570
14991260watchdog/011382-21runrttasks21:07:010
14991250watchdog/026327-21sed23:41:330
14991230watchdog/031026-21mailstats23:56:450
14991230watchdog/027045-21aten2.4_r3power20:12:130
14991230watchdog/018908-21df_inode21:31:530
14991210watchdog/010262-21aten2.4_r3power21:02:170
14991170watchdog/05414-21cpuspeed19:02:090
14991160watchdog/017145-21sendmail_mailst23:11:450
14991150watchdog/013187-21sh19:27:130
14991130watchdog/015562-21mailstats19:36:410
14991130watchdog/01483-21latency_hist20:36:330
2435501120irq/11-eth02931-21munin-node00:21:440
14991110watchdog/02996-21runrttasks19:00:170
14991110watchdog/023932-21stty21:47:090
838501100irq/14-ide011043-21df22:51:510
14991090watchdog/07824-21munin-node20:57:010
14991090watchdog/076902chrt19:11:210
838501080irq/14-ide013879-21latency_hist23:01:330
14991080watchdog/03879-21cpuspeed20:42:130
14991080watchdog/020203-21mailstats21:36:450
14991070watchdog/025002-21df23:36:530
14991060watchdog/02996-21runrttasks22:37:210
14991060watchdog/02996-21runrttasks00:19:490
14991060watchdog/022091-21sed19:56:570
14991060watchdog/016211-21aten2.4_r3power23:07:090
14991040watchdog/023942-21processes23:32:090
14991040watchdog/01946-21awk00:06:570
14991030watchdog/042252sleep022:28:170
243550960irq/11-eth02996-21runrttasks21:51:520
243550910irq/11-eth0965-21head20:32:170
243550900irq/11-eth010101-21chrt22:47:110
83850890irq/14-ide012984-21nfs_client21:12:030
243550880irq/11-eth013672-21runrttasks22:59:500
83850870irq/14-ide015416-21sh21:21:320
2937988714cyclictest16027-21nfs_client21:22:030
2937988713cyclictest32631-21df22:16:500
2937988513cyclictest18761-21df19:46:520
2937988426cyclictest2929-21chrt22:25:340
2937988414cyclictest22045-21df_inode23:26:570
243550830irq/11-eth010323-21chrt19:17:390
2937988213cyclictest2996-21runrttasks23:16:490
2937988212cyclictest4761-21mailstats20:46:440
2937988113cyclictest2996-21runrttasks19:41:330
2937988111cyclictest31622-21munin-node22:12:080
2937988111cyclictest26705-21rt-features21:56:580
83850800irq/14-ide028423-21nfs_client20:17:030
2937988013cyclictest28014-21munin-node23:46:490
2937988012cyclictest24766-21latency_hist20:06:330
2937988012cyclictest20182-21munin-node19:51:420
243550800irq/11-eth014016-21munin-node19:31:450
2336928013sleep023393-21awk20:01:510
2937987914cyclictest22026-21awk21:41:570
2937987913cyclictest8189-21runrttasks19:11:570
2937987912cyclictest5259-21nfs_client22:32:040
1499790watchdog/04077-21cstates00:12:170
2937987814cyclictest29432-21munin-node20:22:110
2937987813cyclictest28756-21aten2.4_r3power22:02:150
2937987713cyclictest30461-21sshd22:08:150
2937987713cyclictest11591-21cpuspeed19:22:090
2937987712cyclictest20647-21nfs_client23:22:020
2937987712cyclictest17403-21df_inode21:26:560
1499770watchdog/031113-21awk20:26:490
2937987516cyclictest6285-21munin-node20:51:500
2937987513cyclictest533-21nfs_client00:02:030
2937987513cyclictest29565-21df23:51:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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