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2026-04-28 - 20:07
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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 Tue Apr 28, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/014940-21kworker/0:207:04:440
14991400watchdog/02792-21runrttasks08:19:410
14991320watchdog/030861-21nfs_client07:14:560
14991320watchdog/02792-21runrttasks11:54:330
14991290watchdog/020433-21aten2.4_r3power10:10:050
14991280watchdog/02792-21runrttasks10:34:490
14991250watchdog/025688-21chrt12:13:370
14991240watchdog/07313-21seq09:29:210
14991230watchdog/028608-21munin-node07:09:320
14991200watchdog/02792-21runrttasks12:26:050
14991200watchdog/02792-21runrttasks11:01:290
14991200watchdog/017954-21runrttasks08:17:490
14991160watchdog/032019-21runrttasks09:04:170
14991160watchdog/018966-21sh10:05:090
14991150watchdog/054322sleep011:06:490
14991150watchdog/015258-21mailstats08:09:410
14991150watchdog/011129-21needreboot07:55:010
14991140watchdog/08908-21cron07:49:290
14991140watchdog/017247-21grep11:45:010
14991130watchdog/02792-21runrttasks11:44:250
14991130watchdog/027704-21df08:49:490
14991120watchdog/06414-21telnet07:39:570
14991110watchdog/0225732chrt10:18:050
14991100watchdog/031034-21aten2.4_r3power10:44:570
14991100watchdog/023117-21aten2.4_r3power08:34:490
14991100watchdog/012161-21munin-node07:59:410
14991080watchdog/031202-21aten2.4_r3power12:30:050
14991080watchdog/02792-21runrttasks08:29:450
2234501070irq/11-eth09013-21date07:49:300
14991070watchdog/0318-21aten2.4_r3power10:50:050
14991050watchdog/032619-21aten2.4-expect09:04:570
2234501040irq/11-eth011011-21nfs_client09:40:000
2234501020irq/11-eth025625-21runrttasks10:27:450
223450990irq/11-eth03378-21timerandwakeup07:30:120
223450990irq/11-eth032738-21aten2.4_r3power12:35:050
223450990irq/11-eth026002-21mailstats10:29:410
223450990irq/11-eth01197-21latency_hist09:09:300
223450980irq/11-eth07607-21df09:29:480
223450930irq/11-eth01703-21nfs_client10:54:590
223450870irq/11-eth02792-21runrttasks09:45:030
1499850watchdog/023347-21nfs_client10:19:570
28612988312cyclictest15665-21nfs_client09:54:570
1499830watchdog/02792-21runrttasks11:10:210
1499830watchdog/021840-21cut12:00:010
28612988113cyclictest12935-21aten2.4_r3power11:30:130
1499810watchdog/04726-21awk07:35:010
1499810watchdog/026455-21nfs_client12:14:570
1499810watchdog/011633-21chrt11:27:050
28612988013cyclictest1943-21runrttasks07:25:150
223450800irq/11-eth02792-21runrttasks11:35:470
28612987914cyclictest8922-21latency_hist11:19:300
223450790irq/11-eth024477-21grep08:39:380
1499790watchdog/013961-21awk09:49:530
2918827811sleep029240-21df08:54:480
28612987812cyclictest8096-21cpuspeed11:15:080
28612987713cyclictest4899-21nfs_client09:19:580
28612987713cyclictest16932-21aten2.4_r3power09:59:490
223450770irq/11-eth014216-21runrttasks08:05:000
1499770watchdog/02792-21runrttasks12:23:130
80650760irq/14-ide03143-21df_inode09:14:530
28612987612cyclictest29062-21sendmail_mailtr10:39:390
28612987612cyclictest23053-21aten2.4_r3power12:04:490
28612987513cyclictest8992-21munin-node09:35:030
28612987512cyclictest20370-21nfs_client08:24:590
28612987511cyclictest26649-21aten2.4_r3power08:45:040
1499750watchdog/032302-21df_inode07:19:520
28612987313cyclictest18209-21munin-node11:49:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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