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2025-05-02 - 12:49
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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 50 highest latencies:
System rack4slot2.osadl.org (updated Fri May 02, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502360,0irq/46-4a1000004367-1kworker/u3:018:56:000
7350910,0irq/45-4a10000016821-1kworker/u3:121:13:420
7350910,0irq/45-4a10000010796-21/usr/sbin/munin00:00:270
7450890,0irq/46-4a1000009031-21munin-run20:43:350
63402890,0sleep06325-1kworker/u3:222:09:250
242092890,0sleep022508-1kworker/u3:019:51:530
7450880,0irq/46-4a1000006758-21pluginstate19:03:360
7350880,0irq/45-4a10000021117-21runrttasks21:18:550
108672880,0sleep08543-1kworker/u3:219:13:370
7450870,0irq/46-4a1000009175-21runrttasks20:43:510
7450870,0irq/46-4a10000030297-21meminfo23:20:050
7450870,0irq/46-4a10000016236-21cpuspeed19:29:030
7450860,0irq/46-4a100000652-21wget23:28:510
7450860,0irq/46-4a10000022809-21chrt21:23:490
7450860,0irq/46-4a10000011234-21grep20:49:090
7350860,0irq/45-4a1000008592-21/usr/sbin/munin19:04:590
268422860,0sleep024960-1kworker/u3:223:09:250
143362860,0sleep02488-1kworker/u3:119:23:480
7450850,0irq/46-4a1000006458-21chrt20:35:060
7450850,0irq/46-4a100000632-21seq20:18:480
7450850,0irq/46-4a10000023157-21fschecks_count22:59:060
5066998559,0cyclictest0-21swapper23:53:440
210372850,0chrt17480-1kworker/u3:022:53:370
197022850,0sleep017480-1kworker/u3:022:49:050
7450840,0irq/46-4a100000494-21awk20:18:330
7450840,0irq/46-4a10000032280-21grep23:24:390
7450840,0irq/46-4a10000029546-21awk20:08:350
7450840,0irq/46-4a10000017770-21wget21:08:540
7350840,0irq/45-4a10000012790-21cstates20:53:550
5066998460,0cyclictest0-21swapper23:03:440
7450830,0irq/46-4a1000007399-21dpkg23:48:440
7450830,0irq/46-4a1000004433-21seq23:39:150
7450830,0irq/46-4a10000029573-21latency_hist21:43:370
7450830,0irq/46-4a1000002692-21fschecks_count20:24:050
7450830,0irq/46-4a10000024952-21grep21:29:100
7450830,0irq/46-4a10000021224-21aten_r4power_po19:43:540
7450830,0irq/46-4a10000016579-21ls21:04:180
7450830,0irq/46-4a10000016267-21diskstats22:39:030
7450830,0irq/46-4a10000015132-21mailstats22:34:330
7450830,0irq/46-4a10000014356-21wget00:08:550
7450830,0irq/46-4a10000014101-21sendmail-msp00:08:350
7450830,0irq/46-4a10000013575-21ls19:19:360
7450830,0irq/46-4a10000012855-21df_inode22:28:590
7350830,0irq/45-4a10000020494-21grep19:39:380
67582830,0sleep05534-1kworker/u3:223:44:410
178682837,0sleep017872-21df22:43:560
7450820,0irq/46-4a1000005061-21sshd22:04:420
7450820,0irq/46-4a1000004927-21mailstats20:29:390
7450820,0irq/46-4a1000003910-21ls22:03:360
7450820,0irq/46-4a100000345-21runrttasks21:52:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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