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2026-06-04 - 03:44
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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 Jun 04, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502400,0irq/46-4a10000020214-1kworker/u3:018:59:350
7350860,0irq/45-4a10000029804-21diskstats21:38:530
2695028515,0sleep026994-21tune2fs19:23:560
7350840,0irq/45-4a1000004942-21/usr/sbin/munin21:59:330
7350840,0irq/45-4a1000002477-21diskstats23:28:580
7350840,0irq/45-4a10000022541-21sh21:18:330
7350840,0irq/45-4a10000015836-21/usr/sbin/munin22:33:430
7350830,0irq/45-4a10000013493-21users23:59:310
7350830,0irq/45-4a10000011320-21memory22:19:150
7350820,0irq/45-4a10000024253-21latency_hist00:33:330
7350820,0irq/45-4a10000022727-21aten_r4power_en22:53:450
7450800,0irq/46-4a100000460-21snmpd22:40:030
7450800,0irq/46-4a100000460-21snmpd20:28:580
7450800,0irq/46-4a1000003231-21chrt19:59:160
7450800,0irq/46-4a10000017636-21cron20:58:330
21023998056,0cyclictest0-21swapper21:48:420
7450790,0irq/46-4a1000006192-21meminfo23:39:130
7450790,0irq/46-4a10000029383-21idleruntime-cro21:38:340
7350790,0irq/45-4a1000006682-21grep20:13:560
7350790,0irq/45-4a100000460-21snmpd19:53:320
7350790,0irq/45-4a10000010932-21df23:53:470
248182790,0sleep024245-1kworker/u3:021:24:040
158522790,0chrt1793-1kworker/u3:000:08:440
7450780,0irq/46-4a100000514-21seq23:23:440
7450780,0irq/46-4a1000004310-21cut20:03:590
7450780,0irq/46-4a10000026116-21aten_r4power_en21:28:450
7450780,0irq/46-4a10000024905-21/usr/sbin/munin22:59:080
7450780,0irq/46-4a10000013868-21df_abs20:43:470
7350780,0irq/45-4a1000007493-21df23:43:480
7350780,0irq/45-4a100000460-21snmpd21:44:400
7350780,0irq/45-4a10000014226-21wget22:28:450
7450770,0irq/46-4a100000460-21snmpd19:23:220
7450770,0irq/46-4a100000373-21latency_hist23:23:350
7450770,0irq/46-4a1000003516-1kworker/u3:123:34:010
7450770,0irq/46-4a10000026624-1kworker/u3:119:44:200
7450770,0irq/46-4a10000024292-21latency_hist21:23:350
7450770,0irq/46-4a10000017000-1kworker/u3:100:14:230
7450770,0irq/46-4a10000012497-21/usr/sbin/munin22:23:450
7450770,0irq/46-4a10000011768-21latency20:34:100
7450770,0irq/46-4a10000011399-1kworker/u3:220:40:510
7350770,0irq/45-4a1000008425-21chrt22:10:070
7350770,0irq/45-4a1000006371-21awk22:04:250
7350770,0irq/45-4a10000028371-21chrt19:29:130
7350770,0irq/45-4a10000020465-1kworker/u3:022:49:170
7450760,0irq/46-4a1000006546-1kworker/u3:020:23:420
7450760,0irq/46-4a100000460-21snmpd21:09:190
7450760,0irq/46-4a1000003705-1kworker/u3:320:09:210
7450760,0irq/46-4a10000029571-21wget23:13:430
7450760,0irq/46-4a10000021888-1kworker/u3:119:14:250
7450760,0irq/46-4a10000018030-21chrt21:00:440
7350760,0irq/45-4a10000021583-21fw_forwarded_lo19:04:060
7450750,0irq/46-4a1000008419-1kworker/u3:123:49:110
7450750,0irq/46-4a10000030838-21chrt19:39:240
7450750,0irq/46-4a10000022425-21chrt00:27:410
7450750,0irq/46-4a10000021888-1kworker/u3:119:13:350
7450750,0irq/46-4a10000019298-1kworker/u3:300:23:330
7450750,0irq/46-4a10000018682-1kworker/u3:122:44:220
7450750,0irq/46-4a10000015385-1kworker/u3:221:04:190
7450750,0irq/46-4a1000001339-1kworker/u3:119:53:510
7450750,0irq/46-4a10000012427-1kworker/u3:100:04:390
7450750,0irq/46-4a10000010567-21cron22:18:330
7350750,0irq/45-4a10000026238-21cpu23:03:460
7450740,0irq/46-4a1000006546-1kworker/u3:020:19:580
7450740,0irq/46-4a10000026624-1kworker/u3:119:33:450
7450740,0irq/46-4a1000001584-1kworker/u3:021:54:250
7450740,0irq/46-4a10000015381-21sshd20:49:070
7450730,0irq/46-4a10000028374-21/usr/sbin/munin23:09:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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