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2026-07-29 - 18:22
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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 Wed Jul 29, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a1000003566-21/usr/sbin/munin07:03:400
1122829814,0sleep011230-21irqstats07:23:560
7450920,0irq/46-4a10000019103-21sendmail-msp10:59:100
7450920,0irq/46-4a10000017819-21seq09:18:400
4867999260,0cyclictest0-21swapper08:09:200
7450910,0irq/46-4a10000018145-21/usr/sbin/munin07:44:030
7450910,0irq/46-4a10000016019-21sed12:23:380
4867999158,0cyclictest0-21swapper08:29:160
172932919,0sleep0438-21snmpd09:17:410
7450900,0irq/46-4a10000029757-21runrttasks11:28:410
7450900,0irq/46-4a10000019435-21df07:48:350
7450900,0irq/46-4a10000017355-21kworker/u2:212:38:220
7450900,0irq/46-4a10000012241-21cron09:03:170
4867999059,0cyclictest0-21swapper10:28:430
4867999057,0cyclictest0-21swapper10:39:030
21282908,0sleep02162-21aten_r4power_en11:43:300
7450890,0irq/46-4a1000007908-21awk08:49:030
7450890,0irq/46-4a1000004894-21users10:14:180
7450890,0irq/46-4a10000032761-21sendmail-msp11:38:370
7450890,0irq/46-4a10000030021-21irqstats08:19:000
7450890,0irq/46-4a10000028279-21uname09:48:550
7450890,0irq/46-4a10000025266-21/usr/sbin/munin09:39:260
7450890,0irq/46-4a10000024881-21irqstats08:03:540
7450890,0irq/46-4a10000023227-21memory11:09:040
7350890,0irq/45-4a10000022966-21diskstats07:58:440
4867998958,0cyclictest0-21swapper11:23:440
4867998955,0cyclictest0-21swapper10:53:430
7450880,0irq/46-4a1000005613-21aten_r4power_po11:53:300
7450880,0irq/46-4a1000005446-21sendmail-msp10:18:260
7450880,0irq/46-4a10000029916-21fw_forwarded_lo09:53:500
7450880,0irq/46-4a10000025938-21sendmail-msp11:19:550
7450880,0irq/46-4a1000002314-21cstates08:33:320
7450880,0irq/46-4a10000021533-21meminfo07:53:590
7450880,0irq/46-4a1000001838-21seq10:07:060
7450880,0irq/46-4a10000015588-21seq10:47:430
7450880,0irq/46-4a10000012957-21sshd07:28:560
4867998856,0cyclictest0-21swapper09:23:350
7450870,0irq/46-4a100000438-21snmpd11:13:390
7450870,0irq/46-4a1000004017-21ls11:48:330
7450870,0irq/46-4a10000032634-21chrt10:02:260
7450870,0irq/46-4a10000031554-21fschecks_count08:23:440
7450870,0irq/46-4a10000031272-21wget11:33:320
7450870,0irq/46-4a1000002577-21fw_forwarded_lo10:08:510
7450870,0irq/46-4a10000021088-21grep11:03:330
7450870,0irq/46-4a10000020881-21grep09:28:210
7450870,0irq/46-4a10000015983-21/usr/sbin/munin10:48:340
7450870,0irq/46-4a10000015511-21runrttasks12:22:150
7450870,0irq/46-4a10000013441-21unixbench_singl09:04:180
4867998756,0cyclictest0-21swapper12:28:590
4867998754,0cyclictest0-21swapper09:09:090
4867998753,0cyclictest0-21swapper09:34:130
94012869,0sleep09403-21fw_forwarded_lo12:03:490
7450860,0irq/46-4a1000007761-21fw_conntrack07:14:080
7450860,0irq/46-4a1000007490-21sed11:58:390
7450860,0irq/46-4a1000006262-21ntp_states08:44:060
7450860,0irq/46-4a100000438-21snmpd12:14:210
7450860,0irq/46-4a100000438-21snmpd10:28:090
7450860,0irq/46-4a1000003742-21sendmail-msp08:38:580
7450860,0irq/46-4a10000027940-21cat08:13:320
7450860,0irq/46-4a10000014754-21/usr/sbin/munin07:34:040
7450860,0irq/46-4a10000012275-21sendmail-msp10:38:240
7450860,0irq/46-4a10000011389-21/usr/sbin/munin12:09:120
7450860,0irq/46-4a10000010338-21runrttasks08:56:430
4867998654,0cyclictest0-21swapper09:44:190
7450850,0irq/46-4a10000027832-21kworker/u2:507:08:350
7450850,0irq/46-4a10000016006-21awk07:38:340
7450840,0irq/46-4a10000027832-21kworker/u2:507:19:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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