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2025-11-28 - 21:19
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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 highest latencies:
System rack4slot2.osadl.org (updated Fri Nov 28, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509280,0irq/46-4a10000012-21ksoftirqd/007:04:270
7450950,0irq/46-4a10000020747-21ntpq11:49:560
7450940,0irq/46-4a1000002644-21runrttasks09:23:060
238572949,0sleep023882-21ls08:49:390
7450930,0irq/46-4a10000027286-21seq08:59:340
7450930,0irq/46-4a10000026722-21aten_r4power_en10:33:160
7350930,0irq/45-4a1000004385-21/usr/sbin/munin09:28:170
20589999360,0cyclictest0-21swapper07:38:480
20589999358,0cyclictest0-21swapper10:54:070
7450920,0irq/46-4a10000029863-21https09:08:020
7450910,0irq/46-4a10000025865-21/usr/sbin/munin12:04:550
7450910,0irq/46-4a10000021858-21diskstats10:18:270
7450910,0irq/46-4a10000021383-21wc08:43:050
7450910,0irq/46-4a10000020182-21runrttasks08:38:370
7450910,0irq/46-4a10000010772-21sendmail-mta09:45:260
7350910,0irq/45-4a10000026139-1kworker/u3:008:58:060
7450900,0irq/46-4a1000009104-21runrttasks11:15:010
7450900,0irq/46-4a100000877-21runrttasks12:26:530
7450900,0irq/46-4a1000003070-21cstates12:33:240
7450900,0irq/46-4a10000026547-21wget07:23:200
7450900,0irq/46-4a1000002532-21runrttasks12:31:290
7450900,0irq/46-4a10000021721-21wget11:53:230
7450900,0irq/46-4a10000017251-21/usr/sbin/munin08:29:130
7450900,0irq/46-4a10000015282-21/usr/sbin/munin11:33:450
7450900,0irq/46-4a10000015277-21ntp_states08:23:550
7350900,0irq/45-4a1000005634-1kworker/u3:208:00:390
7350900,0irq/45-4a10000018341-21wget11:43:230
20589999067,0cyclictest0-21swapper08:18:200
20589999057,0cyclictest0-21swapper07:13:450
7450890,0irq/46-4a1000008294-21ls09:38:410
7450890,0irq/46-4a1000006157-21cut11:08:090
7450890,0irq/46-4a1000004677-21cstates11:03:230
7450890,0irq/46-4a10000032057-21df10:48:390
7450890,0irq/46-4a10000032032-21forks09:13:380
7450890,0irq/46-4a10000031103-21grep12:19:040
7450890,0irq/46-4a1000002876-21diskstats07:48:330
7450890,0irq/46-4a10000016836-21/usr/sbin/munin11:38:360
7450890,0irq/46-4a10000016257-21munin-run10:03:020
7450890,0irq/46-4a10000014182-1kworker/u3:211:29:370
7450890,0irq/46-4a10000013253-21df_inode09:53:300
7450890,0irq/46-4a10000011245-21seq09:48:200
20589998957,0cyclictest0-21swapper11:23:350
7450880,0irq/46-4a1000008531-21gzip08:04:030
7450880,0irq/46-4a100000808-21cat07:43:070
7450880,0irq/46-4a1000004383-21wget07:53:220
7450880,0irq/46-4a10000030659-21irqstats10:43:480
7450880,0irq/46-4a10000030618-21/usr/sbin/munin07:33:580
7450880,0irq/46-4a10000029970-21ls09:08:120
7450880,0irq/46-4a1000002966-21cstates10:58:240
7450880,0irq/46-4a10000028845-21ntpq07:28:560
7450880,0irq/46-4a10000027888-21sshd12:09:290
7450880,0irq/46-4a10000024117-21mailstats10:24:060
7450880,0irq/46-4a10000023411-21seq11:58:190
7450880,0irq/46-4a10000021375-21cron10:18:010
7450880,0irq/46-4a10000021246-21irqstats07:08:490
7450880,0irq/46-4a10000018309-21sshd08:33:290
7450880,0irq/46-4a10000018097-21runrttasks10:08:140
7450880,0irq/46-4a10000016846-21fw_conntrack10:03:370
7450880,0irq/46-4a10000011656-21irqstats08:13:430
7350880,0irq/45-4a10000025274-21df_inode10:28:300
7450870,0irq/46-4a10000029686-21seq10:40:440
7450870,0irq/46-4a10000029455-21seq12:14:050
7450870,0irq/46-4a10000025817-21users07:19:080
7450870,0irq/46-4a1000001780-21/usr/sbin/munin09:19:000
7450870,0irq/46-4a10000010190-21irqstats11:18:480
7450870,0irq/46-4a10000010032-21/usr/sbin/munin08:08:550
20589998765,0cyclictest0-21swapper09:33:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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