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2026-04-25 - 21:21
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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 highest latencies:
System rack4slot2.osadl.org (updated Sat Apr 25, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17680213830,0sleep015123-1kworker/u3:007:03:170
7450990,0irq/46-4a10000018965-21/usr/sbin/munin08:40:280
7450930,0irq/46-4a1000003593-21diskstats07:55:300
7450930,0irq/46-4a10000024400-21/usr/sbin/munin07:20:480
7450920,0irq/46-4a1000007907-21runrttasks11:16:560
7450920,0irq/46-4a1000003894-21meminfo11:05:500
7450920,0irq/46-4a10000031295-21/usr/sbin/munin12:25:550
7450920,0irq/46-4a10000027431-21/usr/sbin/munin10:40:240
7450920,0irq/46-4a10000025699-21df07:25:240
7450920,0irq/46-4a10000018965-21df_inode11:50:280
7450920,0irq/46-4a10000018693-21meminfo07:06:030
2604829213,0sleep026076-21latency10:35:460
17947999258,0cyclictest0-21swapper08:55:570
7450910,0irq/46-4a1000007216-21irqstats08:05:440
7450910,0irq/46-4a10000030586-21date09:15:110
7450910,0irq/46-4a10000025976-21/usr/sbin/munin09:00:420
7450910,0irq/46-4a10000022610-21irqstats10:25:440
7450910,0irq/46-4a10000010810-21ntpq11:25:540
7450910,0irq/46-4a10000010423-21runrttasks09:50:320
17947999159,0cyclictest0-21swapper12:00:570
17947999159,0cyclictest0-21swapper08:10:540
17947999158,0cyclictest0-21swapper09:20:340
7450900,0irq/46-4a1000006480-21runrttasks11:14:280
7450900,0irq/46-4a1000003053-21chrt07:54:330
7450900,0irq/46-4a10000015141-21sed10:05:090
7450900,0irq/46-4a1000001416-21cron07:50:070
17947999057,0cyclictest0-21swapper11:55:320
17947999057,0cyclictest0-21swapper08:15:390
17947999055,0cyclictest0-21swapper08:50:280
7450890,0irq/46-4a100000413-21uname10:55:460
7450890,0irq/46-4a10000031282-21/usr/sbin/munin07:40:550
7450890,0irq/46-4a10000027199-21/usr/sbin/munin09:06:020
7450890,0irq/46-4a10000023827-21aten_r4power_en12:05:170
7450890,0irq/46-4a10000020341-21sed08:45:110
7450890,0irq/46-4a10000019976-21users07:10:200
7450890,0irq/46-4a10000016834-21idleruntime-cro11:45:070
7450890,0irq/46-4a10000013388-21cron11:35:060
7350890,0irq/45-4a10000019032-21fschecks_count10:15:330
17947998957,0cyclictest0-21swapper10:30:210
17947998955,0cyclictest0-21swapper12:10:210
7450880,0irq/46-4a1000009497-21runrttasks11:21:080
7450880,0irq/46-4a100000460-21snmpd09:41:560
7450880,0irq/46-4a10000031712-21runrttasks10:51:100
7450880,0irq/46-4a10000029574-21missed_timers12:20:520
7450880,0irq/46-4a10000028889-21latency_hist10:45:100
7450880,0irq/46-4a10000021959-21latency_hist10:25:080
7450880,0irq/46-4a10000018537-21sendmail10:15:080
7450880,0irq/46-4a10000014470-21cat11:36:020
7450880,0irq/46-4a10000013408-21munin-run08:25:070
17947998855,0cyclictest0-21swapper07:35:170
7450870,0irq/46-4a1000005315-21diskstats09:35:320
7450870,0irq/46-4a1000005177-21cat08:00:230
7450870,0irq/46-4a100000340-21fw_forwarded_lo12:30:410
7450870,0irq/46-4a10000028481-21seq07:32:480
7450870,0irq/46-4a10000027444-21chrt12:15:230
7450870,0irq/46-4a10000022086-21/usr/sbin/munin07:15:580
7450870,0irq/46-4a10000018982chrt11:00:310
7450870,0irq/46-4a1000001886-21diskstats09:25:320
7450870,0irq/46-4a10000017326-21fschecks_count08:35:330
7450870,0irq/46-4a10000015288-21wget08:30:190
7450870,0irq/46-4a10000013621-21chrt08:25:200
17947998755,0cyclictest0-21swapper11:45:410
7450860,0irq/46-4a100000460-21snmpd10:07:060
7450860,0irq/46-4a10000029233-21fschecks_count09:10:330
7450850,0irq/46-4a1000003808-21irqstats09:30:430
7450840,0irq/46-4a1000009098-21ntpq09:45:580
7450840,0irq/46-4a10000013013-21runrttasks09:56:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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