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2025-06-17 - 02:14
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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 the 50 highest latencies:
System rack4slot2.osadl.org (updated Tue Jun 17, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502430,0irq/45-4a1000003272-21kworker/0:418:54:000
11606999549,0cyclictest0-21swapper21:08:220
7350940,0irq/45-4a10000032289-1kworker/u3:120:42:190
127129428,0sleep01303-21sensors_temp19:57:490
7450930,0irq/46-4a10000013663-21/usr/sbin/munin23:43:540
7450920,0irq/46-4a10000021113-21df_abs19:22:150
7450910,0irq/46-4a1000006474-21ntpq21:48:350
7450910,0irq/46-4a1000004538-21ntpq20:07:420
7450910,0irq/46-4a10000030775-21sshd22:58:210
7450910,0irq/46-4a10000021094-21runrttasks22:32:030
7450910,0irq/46-4a10000019614-21fschecks_time19:17:460
7450910,0irq/46-4a10000012436-21/usr/sbin/munin20:32:480
7450900,0irq/46-4a1000008299-21grep20:17:520
7450900,0irq/46-4a1000008185-21awk21:52:500
7450900,0irq/46-4a100000745-21aten_r4power_vo23:07:100
7450900,0irq/46-4a1000002706-21/usr/sbin/munin21:37:330
7450900,0irq/46-4a10000021663-21/usr/sbin/munin00:07:280
7450900,0irq/46-4a10000019817-21irqstats20:52:310
7450900,0irq/46-4a10000014597-21/usr/sbin/munin22:12:200
7450900,0irq/46-4a10000013420-21ls19:01:520
7350900,0irq/45-4a10000025636-21modprobe22:43:200
7350900,0irq/45-4a10000022570-21modprobe21:01:480
231972900,0chrt22649-1kworker/u3:100:12:140
117052900,0sleep05935-1kworker/u3:322:02:510
7450890,0irq/46-4a1000004653-21meminfo23:17:390
7450890,0irq/46-4a1000003905-21apt23:16:480
7450890,0irq/46-4a10000030161-21seq21:22:370
7450890,0irq/46-4a10000025314-21/usr/sbin/munin00:17:460
7450890,0irq/46-4a1000002511-21sshd20:02:210
7450890,0irq/46-4a10000023646-21timerandwakeup21:02:520
7450890,0irq/46-4a10000023470-21ntpq22:37:410
7450890,0irq/46-4a10000023430-21zcat19:27:460
7450890,0irq/46-4a10000021012-21cron00:06:470
7450890,0irq/46-4a10000018174-21/usr/sbin/munin22:22:320
7450890,0irq/46-4a10000016774-21runrttasks22:17:470
7450890,0irq/46-4a10000014749-21meminfo20:37:360
7450890,0irq/46-4a10000014126-21aten_r4power_en19:02:240
7350890,0irq/45-4a10000026751-21memory21:12:390
99032880,0chrt7484-1kworker/u3:123:33:280
7450880,0irq/46-4a1000009732-21open_inodes20:22:490
7450880,0irq/46-4a100000836-21seq21:32:190
7450880,0irq/46-4a1000005863-21/usr/sbin/munin23:22:110
7450880,0irq/46-4a10000032175-21sensors21:27:530
7450880,0irq/46-4a10000029009-21/usr/sbin/munin22:52:550
7450880,0irq/46-4a10000027613-21chrt19:41:490
7450880,0irq/46-4a10000024316-21/usr/sbin/munin19:32:170
7450880,0irq/46-4a10000017767-21df_abs19:12:130
7450880,0irq/46-4a10000016360-21sshd23:52:210
7450880,0irq/46-4a10000015978-21/usr/sbin/munin19:07:110
7450880,0irq/46-4a10000015411-21users23:48:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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