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2026-03-30 - 12:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Mon Mar 30, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012010,0irq/46-4a10000027324-1kworker/u3:119:02:070
7450960,0irq/46-4a10000025679-21sshd21:39:330
7450960,0irq/46-4a10000014246-21/usr/sbin/munin21:06:240
7450950,0irq/46-4a1000007942-21/usr/sbin/munin22:21:580
7450950,0irq/46-4a100000719-21fschecks_count22:01:340
7450950,0irq/46-4a10000032710-21runrttasks20:26:080
7450950,0irq/46-4a10000019706-21/usr/sbin/munin22:56:430
7450940,0irq/46-4a1000007447-21df19:11:430
7450940,0irq/46-4a1000006378-21mailstats20:42:020
7450940,0irq/46-4a1000004783-21timerwakeupswit20:37:050
7450940,0irq/46-4a10000027791-21/usr/sbin/munin23:21:200
7450940,0irq/46-4a10000018181-21ntp_states21:16:580
7450940,0irq/46-4a10000015569-21sshd22:45:450
7450940,0irq/46-4a10000013961-21latency_hist22:41:110
7450940,0irq/46-4a10000013570-1kworker/u3:219:34:230
7450940,0irq/46-4a10000011206-21/usr/sbin/munin22:31:540
7450940,0irq/46-4a10000010849-21df19:21:260
7450930,0irq/46-4a100000925-21irqstats23:36:460
7450930,0irq/46-4a1000009207-21runrttasks22:26:280
7450930,0irq/46-4a1000006450-21runrttasks19:10:590
7450930,0irq/46-4a1000004099-21diskstats23:46:310
7450930,0irq/46-4a1000002970-1kworker/u3:019:17:430
7450930,0irq/46-4a10000029636-21df21:51:280
7450930,0irq/46-4a10000025559-1kworker/u3:220:07:380
7450930,0irq/46-4a10000022611-21aten_r4power_cu21:31:170
7450930,0irq/46-4a10000021381-21/usr/sbin/munin23:01:430
7450930,0irq/46-4a10000020788-21sendmail-msp00:36:100
7450930,0irq/46-4a10000017997-21/usr/sbin/munin19:41:460
7450930,0irq/46-4a10000016819-21users22:47:070
7450930,0irq/46-4a10000010642-21/usr/sbin/munin20:56:540
7450920,0irq/46-4a1000008711-1kworker/u3:100:05:370
7450920,0irq/46-4a1000008436-21runrttasks20:48:220
7450920,0irq/46-4a1000006370-21run-parts23:52:020
7450920,0irq/46-4a1000006229-21/usr/sbin/munin22:16:570
7450920,0irq/46-4a10000031740-21/usr/sbin/munin21:56:490
7450920,0irq/46-4a1000002970-1kworker/u3:019:27:470
7450920,0irq/46-4a10000029640-21df23:26:250
7450920,0irq/46-4a10000029174-21runrttasks20:15:190
7450920,0irq/46-4a10000028608-21cat21:47:040
7450920,0irq/46-4a10000025864-21chrt20:06:080
7450920,0irq/46-4a10000024572-21runrttasks23:11:280
7450920,0irq/46-4a10000021410-21/usr/sbin/munin21:26:460
7450920,0irq/46-4a10000020171-21/usr/sbin/munin19:47:050
7450920,0irq/46-4a10000018075-21meminfo00:26:500
7450920,0irq/46-4a10000016090-21forks19:36:350
7450920,0irq/46-4a10000016025-21sed21:11:290
7450920,0irq/46-4a10000014755-21/usr/sbin/munin00:16:570
7450920,0irq/46-4a10000012798-21seq00:11:410
7450920,0irq/46-4a10000012460-21/usr/sbin/munin21:01:220
7450920,0irq/46-4a10000010802-21/usr/sbin/munin00:06:240
7450910,0irq/46-4a1000007736-21runrttasks23:56:440
7450910,0irq/46-4a1000003969-21/usr/sbin/munin22:11:240
7450910,0irq/46-4a10000030442-21unixbench_singl20:17:050
7450910,0irq/46-4a10000026537-21/usr/sbin/munin23:16:440
7450910,0irq/46-4a1000002608-21cat23:41:450
7450910,0irq/46-4a1000002394-21seq22:06:330
7450910,0irq/46-4a10000023933-21runrttasks23:09:200
7450910,0irq/46-4a10000023126-21irqstats19:56:480
7450910,0irq/46-4a10000022143-21sshd19:53:450
7450910,0irq/46-4a1000002080-21runrttasks20:31:160
7450910,0irq/46-4a10000017736-21sed22:51:250
7450910,0irq/46-4a10000016304-21seq00:21:450
7450900,0irq/46-4a10000031326-21ls23:31:250
7450900,0irq/46-4a10000026956-21/usr/sbin/munin21:42:040
7450890,0irq/46-4a100000368-21chrt20:26:160
7450880,0irq/46-4a1000008881-21latency_hist20:51:120
7450880,0irq/46-4a10000019664-21/usr/sbin/munin21:21:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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