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2025-04-02 - 04:26
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Wed Apr 02, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502470,0irq/46-4a1000009953-1kworker/u3:318:58:270
7450940,0irq/46-4a10000032235-21cron21:49:400
7450940,0irq/46-4a10000028492-21seq21:36:370
7450940,0irq/46-4a10000016854-21meminfo19:15:440
41412940,0chrt24731-1kworker/u3:420:20:200
232329410,0sleep02342-21latency_hist21:59:560
7450930,0irq/46-4a1000009321-21runrttasks00:13:000
7450930,0irq/46-4a10000026635-21runrttasks21:30:140
7450930,0irq/46-4a10000025621-21/usr/sbin/munin19:41:200
7450930,0irq/46-4a10000022367-21/usr/sbin/munin23:07:420
7450930,0irq/46-4a10000012716-21grep00:26:280
7450930,0irq/46-4a10000012605-21runrttasks20:45:220
7450930,0irq/46-4a10000011135-21memory00:21:350
1358229311,0sleep013610-21pluginstate19:06:130
106252930,0chrt3686-1kworker/u3:120:40:020
10405999358,0cyclictest0-21swapper19:20:210
7450920,0irq/46-4a1000009823-21runrttasks00:16:100
7450920,0irq/46-4a1000007765-21sshd00:09:190
7450920,0irq/46-4a100000689-21df23:45:180
7450920,0irq/46-4a1000006012-21df_abs22:10:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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