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2025-07-07 - 02:21
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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 Mon Jul 07, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a10000016717-21runrttasks19:06:430
74501000,0irq/46-4a100000439-21snmpd23:06:240
7350970,0irq/45-4a10000010708-21runrttasks20:22:530
7450960,0irq/46-4a10000014514-21cat20:35:070
7450950,0irq/46-4a1000005493-21chrt21:41:440
7450950,0irq/46-4a10000030859-1kworker/u3:423:20:350
7350950,0irq/45-4a10000019728-21/usr/sbin/munin00:00:080
7450940,0irq/46-4a10000028333-21aten_r4power_po21:15:200
290122940,0chrt7508-1kworker/u3:119:42:040
238672940,0sleep016137-1kworker/u3:021:01:030
7450930,0irq/46-4a100000763-21cron23:04:550
7450930,0irq/46-4a1000006607-21missed_timers20:10:590
7450930,0irq/46-4a10000026486-21sendmail-msp00:19:560
7450930,0irq/46-4a10000023776-1kworker/u3:222:36:590
7450920,0irq/46-4a100000439-21snmpd21:35:110
7450920,0irq/46-4a10000030962-21/usr/sbin/munin19:46:130
7450920,0irq/46-4a10000030586-21load21:21:000
7450920,0irq/46-4a10000026654-21/usr/sbin/munin19:35:170
7450920,0irq/46-4a10000025502-21runrttasks22:41:050
7450920,0irq/46-4a10000023492-21fschecks_count00:10:240
7450920,0irq/46-4a10000022991-21sendmail-msp21:00:000
7450920,0irq/46-4a10000022444-21timerwakeupswit00:06:010
7350920,0irq/45-4a10000026523-21copy00:20:080
7350920,0irq/45-4a10000010858-1kworker/u3:023:38:290
225162920,0sleep07508-1kworker/u3:119:22:040
123222920,0sleep011907-1kworker/u3:022:01:370
7450910,0irq/46-4a1000005874-21cron23:19:530
7450910,0irq/46-4a1000004489-21cstates20:05:260
7450910,0irq/46-4a100000346-21users00:36:060
7450910,0irq/46-4a10000030614-21/usr/sbin/munin22:56:360
7450910,0irq/46-4a10000028693-21expr00:25:380
7450910,0irq/46-4a10000017277-21chrt19:10:090
7450910,0irq/46-4a10000015051-21fw_conntrack23:45:270
7450910,0irq/46-4a10000011035-21/usr/sbin/munin23:34:560
7450910,0irq/46-4a10000010998-21cron21:59:550
7450900,0irq/46-4a1000009007-21chrt23:27:280
7450900,0irq/46-4a1000006237-21/usr/sbin/munin21:45:190
7450900,0irq/46-4a100000615-21seq19:54:310
7450900,0irq/46-4a100000439-21snmpd23:11:250
7450900,0irq/46-4a10000031995-21runrttasks21:25:360
7450900,0irq/46-4a10000028498-21sed22:50:240
7450900,0irq/46-4a10000026978-21grep21:11:020
7450900,0irq/46-4a10000024812-21cut19:30:130
7450900,0irq/46-4a1000002436-21chrt21:34:500
7450900,0irq/46-4a10000019935-21df_inode19:15:520
7450900,0irq/46-4a1000001752-21expr19:56:130
7450900,0irq/46-4a10000016892-21memory20:40:570
7450900,0irq/46-4a10000016652-21fschecks_count22:15:390
7450900,0irq/46-4a10000014525-21grep22:10:000
7350900,0irq/45-4a10000018312-21diskstats20:45:360
311892900,0sleep029577-1kworker/u3:000:31:460
132062900,0sleep04038-1kworker/u3:122:05:290
7450890,0irq/46-4a1000007694-21ls21:50:030
7450890,0irq/46-4a100000439-21snmpd22:30:570
7450890,0irq/46-4a1000002772-21/usr/sbin/munin20:00:200
7450890,0irq/46-4a10000026938-21fschecks_count22:45:360
7450890,0irq/46-4a10000025307-21fw_forwarded_lo21:05:400
7450890,0irq/46-4a10000024130-21/usr/sbin/munin19:26:190
7450890,0irq/46-4a10000019844-21wget22:25:150
7450890,0irq/46-4a10000019769-21grep20:50:140
7450890,0irq/46-4a10000019632-21sendmail-msp00:00:000
7450890,0irq/46-4a10000018204-21cpuspeed22:20:200
7450890,0irq/46-4a10000017780-21seq23:54:130
7450890,0irq/46-4a10000014390-21sh20:34:550
7450890,0irq/46-4a10000012765-21sendmail-msp23:40:370
7450880,0irq/46-4a1000007883-21cstates20:15:160
7450880,0irq/46-4a10000011756-21/usr/sbin/munin20:25:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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