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2026-05-16 - 11:05
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Sat May 16, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502510,0irq/46-4a10000026730-1kworker/u3:219:00:410
177092896,0sleep017737-21/usr/sbin/munin20:09:310
306492880,0sleep029308-1kworker/u3:022:20:170
7450860,0irq/46-4a10000021457-21tune2fs21:54:420
7350860,0irq/45-4a10000013263-21ntpq21:30:080
289012867,0sleep028902-21cron19:09:180
53692850,0sleep05208-1kworker/u3:021:07:360
7450840,0irq/46-4a1000004332-21sed00:14:370
7450840,0irq/46-4a10000032052-21ntp_states20:50:060
7450840,0irq/46-4a10000024652-21wget23:39:320
7450840,0irq/46-4a10000011460-21sshd21:25:010
7350840,0irq/45-4a1000009864-21ntp_states21:20:090
31522840,0sleep032518-1kworker/u3:121:00:100
281472840,0chrt26733-1kworker/u3:122:14:330
165322846,0sleep016559-21/usr/sbin/munin23:14:580
7450830,0irq/46-4a100000460-21snmpd22:33:050
7450830,0irq/46-4a1000003870-21cron19:29:180
7450830,0irq/46-4a10000021565-21fw_forwarded_lo23:29:510
7450830,0irq/46-4a10000018018-21seq23:19:420
7350830,0irq/45-4a1000009865-21kworker/0:321:49:330
297202837,0sleep029759-21aten_r4power_po19:09:500
26462837,0sleep02659-21forks22:34:440
237082830,0sleep08560-1kworker/u3:122:00:140
207382830,0sleep020673-1kworker/u3:123:27:260
158032830,0chrt14123-1kworker/u3:021:39:000
7450820,0irq/46-4a1000004693-21ntpq19:30:050
7450820,0irq/46-4a10000023056-21seq23:34:360
7450820,0irq/46-4a10000012841-21df_abs19:54:370
7350820,0irq/45-4a100000642-21wget20:54:300
7450810,0irq/46-4a1000009978-21find22:55:100
7450810,0irq/46-4a1000009514-21tune2fs19:44:450
7450810,0irq/46-4a1000008682-1kworker/u3:222:52:450
7450810,0irq/46-4a1000007753-21diskstats19:39:420
7450810,0irq/46-4a1000006774-21grep21:10:170
7450810,0irq/46-4a100000460-21snmpd23:03:170
7450810,0irq/46-4a10000032488-21runrttasks00:00:300
7450810,0irq/46-4a10000032353-21ls22:25:170
7450810,0irq/46-4a10000031876-1kworker/u3:019:19:590
7450810,0irq/46-4a10000027551-21runrttasks23:47:110
7450810,0irq/46-4a10000027038-21grep22:10:110
7450810,0irq/46-4a10000020462-21uptime20:15:170
7450810,0irq/46-4a10000017264-21seq20:07:060
7450810,0irq/46-4a10000016593-21sshd21:40:010
7450810,0irq/46-4a10000014716-21runrttasks23:09:470
7450810,0irq/46-4a10000014580-21diskstats19:59:400
7450810,0irq/46-4a10000013853-1kworker/u3:120:23:140
7450810,0irq/46-4a1000001217-21meminfo00:04:580
7350810,0irq/45-4a10000013613-21unixbench_singl23:05:170
7450800,0irq/46-4a1000009170-21/usr/sbin/munin00:29:520
7450800,0irq/46-4a1000007278-21chrt19:39:090
7450800,0irq/46-4a1000003970-21latency_hist00:14:220
7450800,0irq/46-4a10000031745-21tune2fs19:14:450
7450800,0irq/46-4a100000306-1kworker/u3:022:39:310
7450800,0irq/46-4a10000030538-21sensors_temp20:45:140
7450800,0irq/46-4a10000030121-21tune2fs23:54:480
7450800,0irq/46-4a10000026354-21cut20:34:310
7450800,0irq/46-4a10000025171-21ntp_kernel_err22:05:040
7450800,0irq/46-4a10000024912-21runrttasks20:29:440
7450800,0irq/46-4a10000011057-21df19:49:360
7350800,0irq/45-4a1000005970-21df00:19:350
7450790,0irq/46-4a1000009071-21cat00:29:210
7450790,0irq/46-4a1000008194-21proc_pri21:15:110
7450790,0irq/46-4a1000005973-21sed22:44:360
7450790,0irq/46-4a10000027950-21/usr/sbin/munin20:39:510
7450790,0irq/46-4a10000027932-21sed23:49:230
7450790,0irq/46-4a10000023267-21fw_forwarded_lo20:24:520
7450790,0irq/46-4a10000018288-21sshd21:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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