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2026-04-17 - 19:56
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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 Fri Apr 17, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73504980,0irq/45-4a10000017348-21kworker/0:207:02:040
7450960,0irq/46-4a1000003285-21users12:31:280
7450960,0irq/46-4a10000031283-21wget10:45:370
7450950,0irq/46-4a1000009067-21aten_r4power_en08:05:370
7450950,0irq/46-4a1000002078-21idleruntime-cro10:55:260
7450950,0irq/46-4a10000015650-21sshd09:59:460
7450940,0irq/46-4a100000818-21/usr/sbin/munin07:40:500
7450940,0irq/46-4a1000007527-21cstates09:35:410
7450940,0irq/46-4a10000029850-21/usr/sbin/munin07:30:500
7450940,0irq/46-4a10000027717-21cat10:35:270
7450940,0irq/46-4a10000019050-21runrttasks11:44:370
7450940,0irq/46-4a10000018926-21seq08:33:460
7350940,0irq/45-4a1000002902-21open_files07:46:160
7350940,0irq/45-4a10000011076-21diskstats11:20:480
7450930,0irq/46-4a1000005458-21cron07:55:260
7450930,0irq/46-4a1000004372-21fw_forwarded_lo09:25:590
7450930,0irq/46-4a1000003730-21runrttasks09:25:020
7450930,0irq/46-4a10000030091-21irqstats12:16:020
7450930,0irq/46-4a10000030008-21/usr/sbin/munin09:06:000
7450930,0irq/46-4a1000002833-21/usr/sbin/munin10:56:100
7450930,0irq/46-4a10000015978-21aten_r4power_vo10:00:390
7350930,0irq/45-4a10000030629-21users10:41:280
7350930,0irq/45-4a10000013784-1kworker/u3:008:21:000
20282999359,0cyclictest0-21swapper09:41:240
20282999359,0cyclictest0-21swapper08:41:080
20282999359,0cyclictest0-21swapper07:36:170
139742930,0chrt13540-1kworker/u3:109:55:080
7450920,0irq/46-4a100000822-21diskstats12:25:510
7450920,0irq/46-4a1000006046-21fschecks_time11:05:530
7450920,0irq/46-4a10000028794-21seq10:36:220
7450920,0irq/46-4a10000028122-21sshd07:25:460
7450920,0irq/46-4a10000026731-21chrt07:21:080
7450920,0irq/46-4a10000026425-21df_inode12:05:450
7450920,0irq/46-4a10000024895-21/usr/sbin/munin10:26:000
7450920,0irq/46-4a10000024471-21grep08:50:380
7450920,0irq/46-4a10000023251-21sshd07:11:220
7450920,0irq/46-4a10000022720-21/usr/sbin/munin11:55:590
7450920,0irq/46-4a10000021467-21fw_forwarded_lo10:15:570
7450920,0irq/46-4a10000019770-21/usr/sbin/munin08:36:000
7450920,0irq/46-4a10000019735-21fw_forwarded_lo10:10:580
7450920,0irq/46-4a10000014017-21cron11:30:250
7450920,0irq/46-4a10000011155-21fschecks_time08:10:540
7350920,0irq/45-4a10000017049-1kworker/u3:011:39:380
20282999259,0cyclictest0-21swapper08:16:200
20282999258,0cyclictest0-21swapper11:16:000
7450910,0irq/46-4a1000008395-21users11:11:260
7450910,0irq/46-4a1000007370-21basename08:00:360
7450910,0irq/46-4a10000031879-21meminfo12:21:080
7450910,0irq/46-4a10000028500-21/usr/sbin/munin12:11:110
7450910,0irq/46-4a10000024640-21df07:15:430
7450910,0irq/46-4a10000022586-21munin-run11:55:270
7450910,0irq/46-4a10000022123-21date07:10:320
7450910,0irq/46-4a10000018080-21chrt10:06:010
7450910,0irq/46-4a10000017228-21runrttasks08:28:470
7450910,0irq/46-4a10000014194-21aten_r4power_cu11:30:360
7450910,0irq/46-4a10000012049-21chrt09:48:190
20282999159,0cyclictest0-21swapper12:00:500
20282999157,0cyclictest0-21swapper08:55:370
7450900,0irq/46-4a1000006213-21/usr/sbin/munin09:31:050
7450900,0irq/46-4a1000004240-21seq11:00:490
7450900,0irq/46-4a10000031408-21/usr/sbin/munin09:10:410
7450900,0irq/46-4a10000027821-21cat09:00:300
7450900,0irq/46-4a10000022744-21wget10:20:350
7450900,0irq/46-4a10000019448-21/usr/sbin/munin11:45:400
20282999059,0cyclictest0-21swapper07:55:590
20282999058,0cyclictest0-21swapper08:45:360
7450890,0irq/46-4a100000721-21df09:15:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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