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2026-03-19 - 15:36
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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 all highest latencies:
System rack3slot7.osadl.org (updated Thu Mar 19, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940370watchdog/019097-21kworker/0:106:58:530
250579815614cyclictest3019-21runrttasks08:38:550
250579814612cyclictest8944-21aten2.4_r3power07:53:580
14991350watchdog/019976-21nfs_client08:29:090
14991310watchdog/020955-21latency_hist12:03:410
14991300watchdog/03019-21runrttasks11:11:410
14991290watchdog/07425-21egrep07:49:010
14991290watchdog/03828-21runrttasks07:37:290
14991280watchdog/030446-21df10:48:570
2460501060irq/11-eth028352-21latency_hist07:13:420
2460501040irq/11-eth024070-21munin-node12:14:190
2460501040irq/11-eth010845-21sh11:29:140
823501030irq/14-ide010114-21latency_hist09:43:400
2460501030irq/11-eth010954-21munin-node09:44:200
823501020irq/14-ide011605-21latency_hist11:33:420
14991020watchdog/06184-21kernelversion11:14:130
14991010watchdog/016574-21df08:18:570
14991000watchdog/028622-21grep12:28:410
1499990watchdog/04011-21latency_hist09:23:410
1499990watchdog/026238-21munin-node12:19:130
1499980watchdog/016939-21nfs_client10:04:090
1499980watchdog/010929-21processes07:59:170
246050970irq/11-eth029369-21basename10:44:160
1499950watchdog/06042-21cut09:29:050
82350940irq/14-ide030191-21latency_hist09:03:400
1499930watchdog/013863-21needreboot11:39:130
1499920watchdog/08299-21runrttasks09:36:210
1499920watchdog/05583-21wc07:43:410
246050890irq/11-eth025689-21munin-node08:49:120
246050890irq/11-eth012950-21seq08:06:280
1499890watchdog/018373-21nfs_client11:54:090
1499880watchdog/02448-21which11:03:490
1499870watchdog/031520-21open_inodes07:23:490
1499860watchdog/019977-21nfs_client10:14:090
1499850watchdog/019743-21cut11:59:010
1499850watchdog/011880-21munin-node09:48:570
25057988432cyclictest30769-21missed_timers07:19:230
25057988413cyclictest27238-21munin-node08:54:210
1499840watchdog/021527-21nfs_client08:34:090
25057988314cyclictest13531-21munin-node09:54:010
1499820watchdog/032265-21cut10:54:050
25057988113cyclictest17828-21latency_hist11:53:410
1499800watchdog/03019-21runrttasks09:18:130
1499800watchdog/021178-21df10:18:570
1499800watchdog/018487-21nfs_client08:24:090
25057987914cyclictest584-40su07:28:420
25057987913cyclictest15191-21grep08:14:010
25057987912cyclictest24655-21munin-node10:29:100
25057987911cyclictest26637-21runrttasks07:07:580
25057987814cyclictest8650-21munin-node11:23:510
25057987813cyclictest25660-21munin-node10:33:560
25057987813cyclictest22565-21munin-node10:24:140
25057987812cyclictest28685-21munin-node12:28:570
246050780irq/11-eth04327-21aten2.4-expect07:39:000
1499780watchdog/024287-21df08:43:570
25057987713cyclictest22514-21munin-node12:08:490
25057987712cyclictest7325-21munin-node11:18:590
25057987712cyclictest4070-21munin-node09:24:040
25057987712cyclictest18048-21df10:08:570
25057987712cyclictest15449-21aten2.4_r3power11:44:140
82350760irq/14-ide015018-21df09:58:570
25057987615cyclictest1540-21aten2.4_r3power10:59:130
1499760watchdog/0246050irq/11-eth007:08:530
25057987513cyclictest31814-21latency_hist09:08:410
25057987513cyclictest27206-21mailstats10:38:500
25057987512cyclictest31201-21aten2.4_r3power09:04:220
25057987314cyclictest13564-21basename08:08:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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