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2025-11-13 - 07:23
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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 13, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012770,0irq/46-4a1000003081-1kworker/u3:219:04:520
73501010,0irq/45-4a10000022044-21pluginstate20:00:280
4311999260,0cyclictest0-21swapper22:14:130
4311999056,0cyclictest0-21swapper19:48:480
165502867,0sleep016548-21diskstats21:19:310
7450850,0irq/46-4a100000443-21snmpd21:09:150
7450840,0irq/46-4a1000008204-21runrttasks20:54:270
7450840,0irq/46-4a10000022946-21wget20:03:580
7450840,0irq/46-4a10000012106-21gzip00:14:390
4311998454,0cyclictest0-21swapper20:23:260
7450830,0irq/46-4a1000007945-21sshd19:19:180
7450830,0irq/46-4a10000015808-21runrttasks22:50:560
312152830,0sleep022398-1kworker/u3:420:27:410
7450820,0irq/46-4a1000006026-21https19:13:400
7450820,0irq/46-4a10000018375-21runrttasks00:34:030
278192820,0sleep022398-1kworker/u3:420:18:050
7450810,0irq/46-4a1000009658-21sshd19:24:190
7450810,0irq/46-4a1000006529-21chrt19:14:230
7450810,0irq/46-4a1000005120-21ntpq23:54:340
7450810,0irq/46-4a100000443-21snmpd21:04:090
7450810,0irq/46-4a100000443-21snmpd20:38:520
7450810,0irq/46-4a10000029724-21cron21:58:370
7450810,0irq/46-4a10000028756-21fw_conntrack23:29:170
7450810,0irq/46-4a10000027029-21perl23:24:180
7450810,0irq/46-4a10000026896-21fschecks_time21:49:130
7450810,0irq/46-4a10000023868-21sendmail_mailqu21:39:370
7450810,0irq/46-4a10000023002-21kworker/u2:123:20:160
7450810,0irq/46-4a10000021073-21sendmail-msp19:58:400
7450810,0irq/46-4a10000020192-21runrttasks23:04:140
7450810,0irq/46-4a10000019547-21cat21:28:420
7450810,0irq/46-4a10000017892-21/usr/sbin/munin21:24:280
7450810,0irq/46-4a1000001785-21sed20:34:450
7450810,0irq/46-4a10000016830-21irqstats22:54:220
7450810,0irq/46-4a10000016671-21seq19:44:300
7450810,0irq/46-4a10000013836-21awk00:19:370
7450810,0irq/46-4a10000010255-21runrttasks20:59:410
7350810,0irq/45-4a10000019340-21sshd23:01:380
261332810,0chrt22398-1kworker/u3:420:13:210
7450800,0irq/46-4a100000920-21chrt22:08:570
7450800,0irq/46-4a1000008609-21/usr/sbin/munin00:04:370
7450800,0irq/46-4a1000007790-21wget22:28:580
7450800,0irq/46-4a1000006016-21/usr/sbin/munin22:24:290
7450800,0irq/46-4a100000443-21snmpd19:33:200
7450800,0irq/46-4a10000031508-21runrttasks23:38:100
7450800,0irq/46-4a1000002674-21runrttasks23:48:420
7450800,0irq/46-4a10000014657-21df21:13:580
7450800,0irq/46-4a10000011776-21sendmail-mta22:39:260
7350800,0irq/45-4a10000031866-21fschecks_time20:29:110
7350800,0irq/45-4a10000011183-21cat00:13:400
226992800,0chrt21901-1kworker/u3:223:11:090
167582806,0sleep016789-21cut00:29:100
7450790,0irq/46-4a1000006605-21runrttasks23:59:130
7450790,0irq/46-4a1000006362-21seq20:49:190
7450790,0irq/46-4a1000004925-21memory22:19:290
7450790,0irq/46-4a10000014789-21chrt19:39:150
7350790,0irq/45-4a10000012605-21/usr/sbin/munin19:33:500
7450780,0irq/46-4a100000853-21apt23:43:390
7450780,0irq/46-4a1000004470-21df_abs20:44:040
7450780,0irq/46-4a10000032532-21ls22:04:390
7450780,0irq/46-4a10000030437-21seq21:59:230
7450780,0irq/46-4a10000025208-21fw_conntrack21:44:140
7450780,0irq/46-4a10000023810-21nfs4_client23:14:290
7450780,0irq/46-4a10000021306-21/usr/sbin/munin21:33:490
7450780,0irq/46-4a10000014448-21awk22:48:380
7450780,0irq/46-4a10000010049-21meminfo22:34:280
7350780,0irq/45-4a1000001272-21grep23:44:030
7450770,0irq/46-4a10000016334-21latency_hist00:28:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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