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2025-11-20 - 22:47
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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 Thu Nov 20, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73505610,0irq/45-4a1000003448-21kworker/0:407:04:360
919729510,0sleep09232-21fw_conntrack07:13:360
7450950,0irq/46-4a1000006214-21/usr/sbin/munin08:39:150
7450950,0irq/46-4a10000021523-21/usr/sbin/munin07:49:130
7450940,0irq/46-4a10000028486-21awk11:18:210
7450940,0irq/46-4a10000027276-21fw_conntrack09:38:590
7450940,0irq/46-4a10000018855-21fschecks_time12:23:520
7450940,0irq/46-4a10000018297-21cron12:23:200
7450940,0irq/46-4a1000001754-21wc08:24:530
7450940,0irq/46-4a10000017403-21sensors09:09:210
7450940,0irq/46-4a10000014203-21sendmail-mta10:35:510
7350940,0irq/45-4a1000007217-21/usr/sbin/munin07:08:510
7450930,0irq/46-4a1000006860-21fw_forwarded_lo10:14:310
7450930,0irq/46-4a1000004984-21grep10:08:570
7450930,0irq/46-4a1000004507-21runrttasks08:33:360
7450930,0irq/46-4a1000003318-21irqstats08:29:030
7450930,0irq/46-4a10000032056-21runrttasks11:28:380
7450930,0irq/46-4a10000030561-21runrttasks09:48:580
7450930,0irq/46-4a10000029207-21gzip08:09:180
7450930,0irq/46-4a10000025279-21/usr/sbin/munin07:58:460
7450930,0irq/46-4a10000020697-21/usr/sbin/munin10:54:120
7450930,0irq/46-4a10000018582-21runrttasks07:38:590
7450930,0irq/46-4a10000017306-21ntp_kernel_pll_10:44:120
7450930,0irq/46-4a10000013831-21runrttasks12:09:300
7450930,0irq/46-4a10000013190-21runrttasks07:23:410
7450930,0irq/46-4a10000011700-21sed08:54:030
7105999365,0cyclictest0-21swapper07:28:570
7105999358,0cyclictest0-21swapper09:03:390
7450920,0irq/46-4a1000008366-21/usr/sbin/munin08:43:530
7450920,0irq/46-4a10000032408-21fw_forwarded_lo09:53:590
7450920,0irq/46-4a10000031916-21runrttasks08:18:400
7450920,0irq/46-4a10000031253-21grep11:24:340
7450920,0irq/46-4a10000027447-21sshd08:04:160
7450920,0irq/46-4a10000025576-21cat09:33:580
7450920,0irq/46-4a10000021701-21cron12:33:190
7450920,0irq/46-4a10000019824-21/usr/sbin/munin07:44:210
7450920,0irq/46-4a10000019575-21runrttasks10:50:450
7450920,0irq/46-4a1000001661-21df11:34:290
7450920,0irq/46-4a10000012226-21open_files10:29:300
7350920,0irq/45-4a1000003016-1kworker/u3:111:40:250
7105999255,0cyclictest0-21swapper10:19:090
7450910,0irq/46-4a1000009909-21grep10:23:400
7450910,0irq/46-4a1000008614-21runrttasks11:53:560
7450910,0irq/46-4a10000028537-21runrttasks09:43:350
7450910,0irq/46-4a10000024320-21users07:54:240
7450910,0irq/46-4a10000023709-21runrttasks09:28:520
7450910,0irq/46-4a10000023409-21cron12:38:200
7450910,0irq/46-4a10000022586-21awk10:59:210
7450910,0irq/46-4a10000021672-21seq09:23:310
7450910,0irq/46-4a10000020566-21meminfo09:19:060
7450910,0irq/46-4a10000015217-21seq10:38:490
7450910,0irq/46-4a1000001428-21df09:58:440
7450910,0irq/46-4a10000013196-21aten_r4power_vo08:58:390
7450910,0irq/46-4a10000012032-21ps07:19:160
7450910,0irq/46-4a10000010260-21grep11:58:540
7105999159,0cyclictest0-21swapper11:44:250
7450900,0irq/46-4a1000003381-21fw_forwarded_lo10:03:570
7450900,0irq/46-4a10000030321-21df08:13:450
7450900,0irq/46-4a10000028480-21latency_hist11:18:250
7450900,0irq/46-4a10000025871-21ntpq11:09:120
7450900,0irq/46-4a10000023916-21fschecks_time11:03:550
7450900,0irq/46-4a10000018867-21seq09:14:250
7450900,0irq/46-4a10000016438-21cut07:33:400
7450900,0irq/46-4a10000013187-21https12:08:220
7450900,0irq/46-4a10000010485-21/usr/sbin/munin08:49:200
7105999056,0cyclictest0-21swapper11:48:550
7450890,0irq/46-4a10000015662-21missed_timers12:14:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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