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2025-11-02 - 22:14
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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 Sun Nov 02, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/07606-21kworker/0:206:54:140
14991340watchdog/02996-21runrttasks09:07:540
14991300watchdog/029350-21runrttasks07:43:460
14991270watchdog/022094-21awk10:49:260
14991270watchdog/014066-21munin-node08:39:260
14991250watchdog/01849-21sed09:44:180
14991250watchdog/017369-21nfs_client07:04:340
14991250watchdog/017049-21sendmail08:49:020
14991230watchdog/07251-21aten2.4_r3power09:59:460
14991230watchdog/015859-21aten2.4_r3power12:14:220
14991190watchdog/017966-21sendmail_mailqu10:34:460
14991160watchdog/06339-21latency_hist08:14:020
14991160watchdog/025820-21runrttasks07:29:580
14991160watchdog/023138-21munin-node07:24:300
14991160watchdog/019555-21cstates10:39:460
14991150watchdog/01111-21runrttasks11:25:260
13198211511sleep013240-21aten2.4-expect10:19:430
14991140watchdog/05643-21missed_timers11:39:460
14991140watchdog/02996-21runrttasks07:52:260
14991140watchdog/010075-21pluginstate10:09:380
14991130watchdog/025088-21ntp_offset09:14:220
14991130watchdog/020645-21unixbench_singl08:59:260
14991120watchdog/08774-21aten2.4_r3power10:04:460
2435501100irq/11-eth02996-21runrttasks12:04:140
14991090watchdog/05023-21munin-node09:54:220
2435501070irq/11-eth019340-21aten2.4_r3power07:09:460
14991070watchdog/02996-21runrttasks08:02:300
14991060watchdog/02996-21runrttasks11:49:420
14991060watchdog/016077-21aten2.4_r3power06:59:420
14991050watchdog/044642sleep008:07:140
14991040watchdog/026307-21latency_hist07:34:020
14991040watchdog/016267-21aten2.4_r3power10:29:380
14991030watchdog/024878-21runrttasks10:59:140
2846829511sleep028515-21vmstat09:24:320
243550940irq/11-eth028628-21aten2.4_r3power11:09:370
83850910irq/14-ide0637-21cut09:39:310
243550880irq/11-eth032386-21seq09:38:200
243550880irq/11-eth014718-21aten2.4_r3power12:09:380
15106988514cyclictest2996-21runrttasks11:38:520
243550840irq/11-eth09848-21sh08:24:270
243550830irq/11-eth031324-21df_inode11:19:250
243550820irq/11-eth09960-21nfs_client11:54:310
243550820irq/11-eth012354-21chrt10:18:400
15106988212cyclictest26424-21munin-node09:19:190
15106988212cyclictest17169-21munin-node12:19:150
15106988212cyclictest11105-21df08:29:190
519028111sleep05238-21open_files08:09:290
1903328113sleep019074-21sed12:24:270
15106988112cyclictest29549-21sendmail_mailst07:44:150
15106987913cyclictest580-21aten2.4_r3power07:54:280
15106987913cyclictest2259-21needreboot11:29:370
15106987913cyclictest13386-21cat08:34:480
15106987911cyclictest23345-21munin-node09:09:250
15106987813cyclictest6348-21munin-node11:44:170
15106987812cyclictest20243-21munin-node10:44:240
15106987812cyclictest11817-21missed_timers11:59:450
15106987719cyclictest14013-21latency_hist10:24:030
15106987712cyclictest26415-21munin-node11:04:290
15106987712cyclictest23780-21aten2.4_r3power10:54:280
15106987712cyclictest17576-21iostat08:49:260
1499770watchdog/020360-21munin-node07:14:260
1499770watchdog/019177-21nfs_client08:54:300
15106987628cyclictest29891-21unixbench_singl11:14:300
15106987612cyclictest3313-21mailstats09:49:150
15106987514cyclictest21553-21sshd07:19:090
15106987513cyclictest9168-21runrttasks08:22:500
15106987511cyclictest29950-21aten2.4_r3power09:29:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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