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2026-04-02 - 20:50
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Thu Apr 02, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502700,0irq/45-4a100000255262sleep007:03:110
25920999554,0cyclictest0-21swapper08:56:180
33742930,0sleep01073-1kworker/u3:009:26:470
25920999258,0cyclictest0-21swapper11:46:250
7350910,0irq/45-4a100000682-1kworker/u3:007:41:510
25920999168,0cyclictest0-21swapper10:16:530
7350900,0irq/45-4a10000024760-1kworker/u3:212:11:080
25920999058,0cyclictest0-21swapper08:31:470
25920999057,0cyclictest0-21swapper08:21:530
25920999056,0cyclictest0-21swapper10:11:500
25920998968,0cyclictest0-21swapper11:31:300
25920998968,0cyclictest0-21swapper11:11:340
25920998956,0cyclictest0-21swapper11:01:360
25920998955,0cyclictest0-21swapper08:26:450
25920998857,0cyclictest0-21swapper09:06:550
7450870,0irq/46-4a1000003768-21wget07:51:100
7350870,0irq/45-4a10000031147-1kworker/u3:012:23:090
25920998766,0cyclictest0-21swapper09:16:320
25920998765,0cyclictest0-21swapper10:51:250
25920998756,0cyclictest0-21swapper12:16:570
25920998755,0cyclictest0-21swapper11:21:150
25920998754,0cyclictest0-21swapper07:21:090
25920998753,0cyclictest0-21swapper08:21:020
7450860,0irq/46-4a1000008193-21fschecks_count09:41:260
7350860,0irq/45-4a10000013807-21runrttasks09:56:530
25920998663,0cyclictest0-21swapper09:31:560
25920998655,0cyclictest0-21swapper10:01:400
25920998655,0cyclictest0-21swapper08:51:590
25920998654,0cyclictest0-21swapper09:46:570
25920998654,0cyclictest0-21swapper09:21:520
25920998653,0cyclictest0-21swapper10:06:170
25920998652,0cyclictest0-21swapper12:06:210
201972868,0sleep020221-21perl11:51:300
7450850,0irq/46-4a10000029352-21sed10:41:570
7450850,0irq/46-4a10000014980-21diskstats11:36:240
7450850,0irq/46-4a10000011612-21fschecks_count11:26:260
7350850,0irq/45-4a100000460-21snmpd10:37:450
25920998555,0cyclictest0-21swapper07:51:020
25920998554,0cyclictest0-21swapper08:36:130
25920998551,0cyclictest0-21swapper11:16:130
7450840,0irq/46-4a1000006578-21seq09:36:330
7450840,0irq/46-4a1000005467-21sshd11:07:010
7450840,0irq/46-4a10000032132-21cut12:26:270
7450840,0irq/46-4a10000026764-21latency_hist07:11:050
25920998453,0cyclictest0-21swapper08:06:400
25920998452,0cyclictest0-21swapper09:01:510
7450830,0irq/46-4a10000030794-21/usr/sbin/munin10:46:510
7450830,0irq/46-4a10000022192-21ntp_states10:21:480
7450830,0irq/46-4a10000017071-21ntp_states11:41:490
7450830,0irq/46-4a1000001125-21awk07:41:020
25920998363,0cyclictest0-21swapper12:31:340
18102837,0sleep01820-21sendmail_mailqu10:56:560
7450820,0irq/46-4a10000027963-21cron07:16:010
7450820,0irq/46-4a10000024698-21chrt10:30:310
7450820,0irq/46-4a10000022340-21mailstats08:46:540
7450820,0irq/46-4a10000012444-1kworker/u3:009:54:010
7350820,0irq/45-4a1000009839-21fschecks_count08:11:250
7350820,0irq/45-4a10000021791-21df_abs11:56:190
307762820,0sleep030662-1kworker/u3:007:28:120
25920998261,0cyclictest0-21swapper08:41:550
25920998251,0cyclictest0-21swapper07:31:430
7450810,0irq/46-4a10000030246-21grep09:11:180
7450810,0irq/46-4a10000028688-21cron07:21:010
7450810,0irq/46-4a10000025366-21fw_forwarded_lo10:31:340
7450810,0irq/46-4a10000023268-21runrttasks12:01:140
25920998150,0cyclictest0-21swapper08:01:220
7450800,0irq/46-4a1000005632-1kworker/u3:008:00:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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