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2026-04-13 - 13:55
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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 Mon Apr 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013020,0irq/46-4a10000020194-1kworker/u3:207:02:040
73501030,0irq/45-4a10000029514-21runrttasks07:29:480
7350950,0irq/45-4a10000026887-21irqstats07:21:140
13892940,0sleep01001-1kworker/u3:009:16:220
21492999359,0cyclictest0-21swapper09:30:480
21492999359,0cyclictest0-21swapper07:35:470
7350920,0irq/45-4a1000003687-1kworker/u3:212:34:570
21492999256,0cyclictest0-21swapper10:45:360
21492999156,0cyclictest0-21swapper07:45:490
21492999071,0cyclictest0-21swapper10:01:280
21492999058,0cyclictest0-21swapper08:21:030
21492999057,0cyclictest0-21swapper10:16:250
21492999057,0cyclictest0-21swapper08:11:120
21492999055,0cyclictest0-21swapper08:15:540
7450890,0irq/46-4a10000023663-21open_files11:56:340
7350890,0irq/45-4a10000017188-21runrttasks08:26:450
21492998957,0cyclictest0-21swapper10:26:250
21492998957,0cyclictest0-21swapper10:11:130
21492998956,0cyclictest0-21swapper11:31:250
21492998956,0cyclictest0-21swapper10:56:310
21492998956,0cyclictest0-21swapper09:46:100
21492998956,0cyclictest0-21swapper08:06:000
21492998955,0cyclictest0-21swapper11:06:270
7450880,0irq/46-4a1000002893-1kworker/u3:209:25:210
7450880,0irq/46-4a10000027229-21grep12:06:320
7450880,0irq/46-4a10000021916-1kworker/u3:007:09:330
7350880,0irq/45-4a10000031338-21cron12:20:340
7350880,0irq/45-4a10000025497-1kworker/u3:012:05:090
7350880,0irq/45-4a10000012-21ksoftirqd/011:29:550
21492998857,0cyclictest0-21swapper08:56:250
21492998856,0cyclictest0-21swapper11:16:120
21492998855,0cyclictest0-21swapper09:26:100
7450870,0irq/46-4a1000009708-21perl09:41:050
7450870,0irq/46-4a10000030862-1kworker/u3:007:31:470
7450870,0irq/46-4a10000023498-21chrt08:46:160
7450870,0irq/46-4a10000018126-21fschecks_count08:31:010
7450870,0irq/46-4a10000016572-21/usr/sbin/munin11:36:120
21492998756,0cyclictest0-21swapper10:21:160
21492998754,0cyclictest0-21swapper07:56:290
21492998754,0cyclictest0-21swapper07:16:260
21492998752,0cyclictest0-21swapper11:51:090
7450860,0irq/46-4a1000009144-21idleruntime-cro09:40:350
7450860,0irq/46-4a1000008347-21/usr/sbin/munin11:11:280
7450860,0irq/46-4a100000460-21snmpd07:41:200
7450860,0irq/46-4a10000031938-21/usr/sbin/munin12:21:070
7450860,0irq/46-4a10000029130-21seq09:01:360
7450860,0irq/46-4a10000024751-21egrep08:50:500
7450860,0irq/46-4a10000011507-21/usr/sbin/munin11:21:130
7350860,0irq/45-4a10000030862-1kworker/u3:008:02:520
275112860,0chrt25976-1kworker/u3:010:32:160
21492998657,0cyclictest0-21swapper10:51:280
7450850,0irq/46-4a100000938-21df_abs12:25:540
7450850,0irq/46-4a100000460-21snmpd07:11:040
7450850,0irq/46-4a1000004422-21df_abs11:00:550
7450850,0irq/46-4a10000031795-21/usr/sbin/munin10:45:590
7450850,0irq/46-4a10000029100-21grep10:36:360
7450850,0irq/46-4a10000020153-21/usr/sbin/munin11:46:230
7450850,0irq/46-4a10000012878-21df09:50:530
7350850,0irq/45-4a10000029122-21users12:11:380
7450840,0irq/46-4a1000004126-21/usr/sbin/munin07:51:320
7450840,0irq/46-4a10000032154-21ntpq09:11:240
7450840,0irq/46-4a10000030742-21timerwakeupswit09:06:340
7450840,0irq/46-4a10000021744-21irqstats08:41:110
7450840,0irq/46-4a10000018144-21fschecks_count10:06:020
7450840,0irq/46-4a10000014706-21/usr/sbin/munin09:56:000
7450830,0irq/46-4a10000019854-21cut08:36:000
7450830,0irq/46-4a10000018417-21meminfo11:41:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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