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2026-06-05 - 01:47
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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 Fri Jun 05, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013110,0irq/46-4a1000007497-1kworker/u3:119:00:260
7450970,0irq/46-4a10000021170-1kworker/u3:021:35:120
7450950,0irq/46-4a1000009507-21runrttasks20:38:430
7450950,0irq/46-4a1000006224-21diskstats20:28:530
7450950,0irq/46-4a10000027144-21/usr/sbin/munin23:04:210
7450950,0irq/46-4a10000016777-21load20:59:100
7450950,0irq/46-4a10000016071-21sendmail-msp22:33:330
7450950,0irq/46-4a1000001405-21meminfo20:14:100
7450940,0irq/46-4a1000009964-21memory22:14:150
7450940,0irq/46-4a1000006300-21fschecks_count23:38:580
7450940,0irq/46-4a10000030532-21ntp_states20:04:180
7450940,0irq/46-4a10000025020-21diskstats19:48:540
7450940,0irq/46-4a10000023229-21seq21:18:490
7450940,0irq/46-4a10000022882-21munin-run19:43:320
7450940,0irq/46-4a10000017762-21munin-run00:13:310
7450940,0irq/46-4a10000011427-21grep19:08:350
236462940,0chrt21088-1kworker/u3:219:44:160
7450930,0irq/46-4a1000005043-21mailstats20:24:230
7450930,0irq/46-4a1000003058-21sed20:19:080
7450930,0irq/46-4a10000029461-1kworker/u3:121:46:040
7450930,0irq/46-4a10000028760-21memory19:59:220
7450930,0irq/46-4a10000021143-21cron21:13:310
7450930,0irq/46-4a10000018119-1kworker/u3:100:24:490
7450930,0irq/46-4a10000014551-21/usr/sbin/munin00:03:420
7450930,0irq/46-4a10000012381-21runrttasks23:56:310
7450930,0irq/46-4a10000011003-21latency_hist23:53:350
143762930,0chrt14164-1kworker/u3:100:03:330
7450920,0irq/46-4a1000008108-21if_err_eth022:09:040
7450920,0irq/46-4a10000029881-21aten_r4power_en21:38:420
7450920,0irq/46-4a10000028048-21cat21:33:340
7450920,0irq/46-4a1000002796-21df_inode23:28:500
7450920,0irq/46-4a10000026848-21runrttasks19:53:590
7450920,0irq/46-4a10000025244-21/usr/sbin/munin21:24:080
7450920,0irq/46-4a10000023919-21swap00:29:320
7450920,0irq/46-4a10000023325-21seq22:53:550
7450920,0irq/46-4a10000021607-21df_inode21:13:520
7450920,0irq/46-4a10000021549-21df_abs22:48:520
7450920,0irq/46-4a10000019087-21runrttasks22:40:290
7450920,0irq/46-4a10000018578-21ntp_states19:29:200
7450920,0irq/46-4a10000018359-21fw_forwarded_lo00:14:040
7450920,0irq/46-4a10000016719-21kernelversion22:34:080
7450920,0irq/46-4a10000015283-21processes19:19:440
7450920,0irq/46-4a10000011569-21irqstats20:44:060
7450910,0irq/46-4a100000999-21cstates23:23:460
7450910,0irq/46-4a1000007926-21df_inode23:43:540
7450910,0irq/46-4a1000005849-21cat23:38:330
7450910,0irq/46-4a1000004219-21/usr/sbin/munin21:58:440
7450910,0irq/46-4a10000032376-21mailstats20:09:220
7450910,0irq/46-4a10000031765-21cstates23:18:460
7450910,0irq/46-4a10000030036-21cstates23:13:450
7450910,0irq/46-4a1000002787-21df21:53:510
7450910,0irq/46-4a10000019972-21tune2fs19:33:570
7450910,0irq/46-4a10000019666-21aten_r4power_po00:18:440
7450910,0irq/46-4a10000019640-21wget22:43:430
7450910,0irq/46-4a10000017868-21runrttasks21:03:360
7450910,0irq/46-4a10000016355-21/usr/sbin/munin19:23:460
7450910,0irq/46-4a10000016062-21munin-run20:58:310
7450910,0irq/46-4a10000011938-21sshd19:08:580
23232910,0chrt641-1kworker/u3:021:53:190
112882910,0chrt7022-1kworker/u3:222:18:500
7450900,0irq/46-4a1000006997-21vmstat22:04:340
7450900,0irq/46-4a10000029691-21cron23:13:300
7450900,0irq/46-4a10000013464-21ntpq19:14:210
7450890,0irq/46-4a1000008249-21/usr/sbin/munin20:34:140
7450890,0irq/46-4a10000026298-21munin-run23:03:310
7450890,0irq/46-4a10000014344-21/usr/sbin/munin22:28:320
7450890,0irq/46-4a10000012837-21aten_r4power_vo20:48:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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