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2026-05-02 - 12:56
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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 Sat May 02, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a1000009358-21/usr/sbin/munin19:00:300
64662940,0sleep05644-1kworker/u3:223:35:290
178222940,0sleep031044-1kworker/u3:220:59:550
7450930,0irq/46-4a10000023847-21sshd21:15:450
7450920,0irq/46-4a1000009987-21ntp_kernel_err23:45:360
7450920,0irq/46-4a1000009181-21cron20:34:510
7450920,0irq/46-4a1000003378-21sensors_temp21:50:450
7450920,0irq/46-4a10000024902-21/usr/sbin/munin21:20:060
7450920,0irq/46-4a10000023599-21load22:50:320
7450920,0irq/46-4a10000013476-21open_inodes20:45:390
7450920,0irq/46-4a10000011998-21threads22:15:460
7450910,0irq/46-4a1000008343-21/usr/sbin/munin23:40:400
7450910,0irq/46-4a10000031735-21runrttasks23:15:050
7450910,0irq/46-4a10000029781-21ls19:59:550
7450910,0irq/46-4a10000027889-21runrttasks23:03:580
7450910,0irq/46-4a10000027159-21runrttasks21:25:430
7450910,0irq/46-4a10000025560-21runrttasks22:55:460
7450910,0irq/46-4a1000002553-21/usr/sbin/munin23:25:020
7450910,0irq/46-4a10000025379-21/usr/sbin/munin00:30:350
7450910,0irq/46-4a10000015069-21/usr/sbin/munin00:00:350
7450910,0irq/46-4a10000012232-21runrttasks23:51:440
245132910,0sleep017475-1kworker/u3:200:29:150
7450900,0irq/46-4a1000005146-21seq23:30:470
7450900,0irq/46-4a1000005096-21sensors20:20:450
7450900,0irq/46-4a10000025229-21irqstats19:45:270
7450900,0irq/46-4a10000023312-21diskstats19:40:140
7450900,0irq/46-4a10000022034-21/usr/sbin/munin19:35:420
7450900,0irq/46-4a1000002195-21runrttasks23:23:230
7450900,0irq/46-4a10000019257-1kworker/u3:121:04:560
7450900,0irq/46-4a10000018425-21kernelversion21:00:290
7450900,0irq/46-4a10000017018-21grep22:30:450
7450900,0irq/46-4a10000011513-21fw_packets20:40:250
7350900,0irq/45-4a10000021329-21/usr/sbin/munin21:10:020
7450890,0irq/46-4a1000009180-21cron22:09:520
7450890,0irq/46-4a1000005968-21aten_r4power_en22:00:020
7450890,0irq/46-4a1000004605-21fschecks_time21:55:190
7450890,0irq/46-4a10000032439-21/usr/sbin/munin21:40:440
7450890,0irq/46-4a10000029806-21latency_hist19:59:560
7450890,0irq/46-4a10000028582-21fw_forwarded_lo23:05:220
7450890,0irq/46-4a10000028091-21latency_hist21:29:550
7450890,0irq/46-4a10000026496-21wget19:50:030
7450890,0irq/46-4a1000002195-21sshd21:48:350
7450890,0irq/46-4a1000002112-21chrt20:12:530
7450890,0irq/46-4a10000020656-21sshd22:40:480
7450890,0irq/46-4a10000018981-21seq00:10:590
7450890,0irq/46-4a10000017475-1kworker/u3:200:23:590
7450890,0irq/46-4a10000016595-21fschecks_time19:20:190
7450890,0irq/46-4a10000016505-21forks00:05:170
7450890,0irq/46-4a10000015336-21sensors_temp20:50:460
7450890,0irq/46-4a10000014519-21wget22:25:020
7450890,0irq/46-4a10000014458-21sed19:14:580
7450890,0irq/46-4a10000014260-21chrt23:59:100
7450890,0irq/46-4a10000013642-21grep22:20:450
7450890,0irq/46-4a10000013423-21nfs4_client19:10:550
7450890,0irq/46-4a10000012166-21munin-node19:09:560
7350890,0irq/45-4a10000010900-21cron22:14:500
7450880,0irq/46-4a1000009609-21df_abs20:35:090
7450880,0irq/46-4a1000005378-1kworker/u3:020:26:010
7450880,0irq/46-4a10000031538-21/usr/sbin/munin20:05:410
7450880,0irq/46-4a10000029849-21/usr/sbin/munin21:35:430
7450880,0irq/46-4a1000002816-21diskstats20:15:140
7450880,0irq/46-4a10000019829-21df00:15:080
7450880,0irq/46-4a10000018149-21df_abs19:25:100
7450880,0irq/46-4a10000018146-21df_abs22:35:090
307092880,0chrt29634-1kworker/u3:023:10:450
7450870,0irq/46-4a10000019540-21cat19:29:560
7450860,0irq/46-4a10000021796-21if_eth022:45:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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