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2025-11-24 - 09:58
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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 Mon Nov 24, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502530,0irq/46-4a10000013481-1kworker/u3:119:06:490
7350870,0irq/45-4a1000005739-21meminfo21:49:390
15364998759,0cyclictest0-21swapper00:13:420
15364998653,0cyclictest0-21swapper00:23:350
15364998449,0cyclictest0-21swapper00:03:580
7450830,0irq/46-4a1000007567-21ntpq21:55:010
7350830,0irq/45-4a1000006530-21sendmail-msp20:18:140
7450820,0irq/46-4a100000443-21snmpd22:04:150
7350820,0irq/45-4a10000028645-21sshd21:21:510
7450810,0irq/46-4a10000024844-1kworker/u3:219:39:140
7450810,0irq/46-4a10000017959-21ntpdc00:00:010
7450810,0irq/46-4a10000015330-21/usr/sbin/munin22:18:490
7450810,0irq/46-4a10000012962-21seq22:09:200
7350810,0irq/45-4a1000004113-21grep23:19:110
7350810,0irq/45-4a1000003306-21aten_r4power_vo20:08:320
7350810,0irq/45-4a10000029656-21modprobe21:24:070
7350810,0irq/45-4a10000027053-1kworker/u3:119:43:480
7350810,0irq/45-4a10000010047-21latency_hist20:28:220
325982810,0sleep09957-1kworker/u3:121:33:350
213672810,0chrt16748-1kworker/u3:122:34:140
88852800,0sleep08132-1kworker/u3:020:23:530
7450800,0irq/46-4a10000020713-21sshd00:08:360
7450800,0irq/46-4a10000020666-21fschecks_time19:23:470
7450800,0irq/46-4a10000019202-21fschecks_time22:28:460
7450800,0irq/46-4a10000018545-21sshd19:18:250
7350800,0irq/45-4a10000028932-21aten_r4power_vo19:48:340
7350800,0irq/45-4a10000014051-21irqstats20:38:560
7350800,0irq/45-4a10000012016-21df20:33:390
15364998046,0cyclictest0-21swapper21:38:220
7450790,0irq/46-4a10000030903-21grep21:28:380
7450790,0irq/46-4a10000017547-21seq22:23:540
7450790,0irq/46-4a10000014762-21grep23:49:160
7350790,0irq/45-4a1000006973-21diskstats20:18:420
7450780,0irq/46-4a1000006253-1kworker/u3:323:13:380
7450780,0irq/46-4a100000443-21snmpd19:37:320
7450780,0irq/46-4a10000031598-21users19:54:190
7450780,0irq/46-4a1000002649-1kworker/u3:522:00:380
7450780,0irq/46-4a10000025504-21/usr/sbin/munin21:13:570
7450780,0irq/46-4a10000023035-21ls21:04:140
7450780,0irq/46-4a10000018397-21munin-run19:18:140
7450780,0irq/46-4a10000015841-21seq20:43:570
7350780,0irq/45-4a100000443-21snmpd21:43:520
7350780,0irq/45-4a10000029639-21grep22:58:560
240692780,0sleep017918-1kworker/u3:300:18:300
7450770,0irq/46-4a1000008411-1kworker/u3:123:33:380
7450770,0irq/46-4a100000542-1kworker/u3:123:23:580
7450770,0irq/46-4a10000021738-21runrttasks21:01:300
7450770,0irq/46-4a10000017012-21aten_r4power_en20:48:300
7450770,0irq/46-4a10000012378-21fschecks_count23:43:430
7450770,0irq/46-4a10000011882-21runrttasks23:43:120
276812770,0sleep027279-1kworker/u3:200:28:380
15364997754,0cyclictest0-21swapper21:08:320
7450760,0irq/46-4a1000006876-21seq23:28:240
7450760,0irq/46-4a10000031141-1kworker/u3:020:03:360
7450760,0irq/46-4a10000030758-1kworker/u3:023:08:340
7450760,0irq/46-4a10000030758-1kworker/u3:023:03:560
7450760,0irq/46-4a10000029143-21/usr/sbin/munin00:34:050
7450760,0irq/46-4a10000026737-1kworker/u3:022:55:490
7450760,0irq/46-4a10000026386-21runrttasks22:49:100
7450760,0irq/46-4a10000021942-1kworker/u3:119:31:370
7450760,0irq/46-4a10000021776-1kworker/u3:022:38:510
7450760,0irq/46-4a10000014818-1kworker/u3:022:16:170
7450760,0irq/46-4a10000011686-1kworker/u3:019:09:070
169592760,0chrt15910-1kworker/u3:123:57:430
7450750,0irq/46-4a10000032536-21df_abs19:58:380
7450750,0irq/46-4a10000021776-1kworker/u3:022:44:080
7450750,0irq/46-4a10000019360-1kworker/u3:020:54:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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