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2025-07-19 - 06:31
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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 Jul 19, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502510,0irq/46-4a1000006103-1kworker/u3:219:08:310
7350990,0irq/45-4a10000016316-21modprobe21:09:270
7450970,0irq/46-4a1000007844-21ls20:44:300
7450970,0irq/46-4a10000026756-21seq23:14:370
1201029611,0sleep011094-21apt-get19:21:360
7450950,0irq/46-4a1000004967-21/usr/sbin/munin20:35:120
7450950,0irq/46-4a10000026011-21sed20:00:490
7450950,0irq/46-4a10000016465-21sendmail-msp00:21:090
7450950,0irq/46-4a10000015234-21tune2fs22:40:110
74452950,0sleep01357-1kworker/u3:220:42:120
128352950,0sleep012558-1kworker/u3:122:33:440
7450940,0irq/46-4a1000009599-21runrttasks20:49:450
7450940,0irq/46-4a100000932-1kworker/u3:022:00:240
7450940,0irq/46-4a10000028365-21sendmail-msp23:20:450
7450940,0irq/46-4a10000024838-21cron21:34:240
7450940,0irq/46-4a10000023183-21cron23:04:250
7450940,0irq/46-4a10000019373-21chrt19:42:200
7450940,0irq/46-4a10000018866-21ls22:50:500
7450940,0irq/46-4a10000013366-21expr00:09:540
7450940,0irq/46-4a10000012905-21sendmail-msp21:00:060
7450940,0irq/46-4a10000011120-21sendmail-msp19:19:370
7450930,0irq/46-4a1000009605-21sendmail-msp23:59:270
7450930,0irq/46-4a1000005326-21pluginstate23:45:240
7450930,0irq/46-4a100000439-21snmpd21:50:580
7450930,0irq/46-4a10000027677-21unixbench_singl20:05:350
7450930,0irq/46-4a10000019104-21awk00:25:270
7450930,0irq/46-4a10000018966-21rt-features21:15:260
7450930,0irq/46-4a10000014637-21/usr/sbin/munin19:30:250
7450930,0irq/46-4a10000011986-1kworker/u3:119:28:380
7450930,0irq/46-4a10000011667-21df00:04:550
2381429311,0sleep023815-21memory19:55:150
7450920,0irq/46-4a1000008505-21df_inode19:09:560
7450920,0irq/46-4a1000007858-21idleruntime-cro23:54:260
7450920,0irq/46-4a10000030038-21/usr/sbin/munin20:14:570
7450920,0irq/46-4a10000027340-21sed21:40:230
7450920,0irq/46-4a10000025621-21memory21:35:180
7450920,0irq/46-4a10000025493-21fw_conntrack23:10:000
7450920,0irq/46-4a10000020001-21runrttasks00:29:440
7450920,0irq/46-4a10000019759-21sendmail-msp21:20:160
7450920,0irq/46-4a10000017037-21irqstats22:45:110
7450920,0irq/46-4a10000016467-21https00:19:280
7450920,0irq/46-4a10000011332-21aten_r4power_cu20:54:430
299602920,0chrt29110-1kworker/u3:221:49:130
7450910,0irq/46-4a100000961-21awk21:59:260
7450910,0irq/46-4a1000007830-21sendmail-msp22:20:420
7450910,0irq/46-4a1000006279-21cut22:14:430
7450910,0irq/46-4a1000004509-21/usr/sbin/munin22:10:370
7450910,0irq/46-4a1000003961-21runrttasks23:40:470
7450910,0irq/46-4a10000031851-21/usr/sbin/munin20:19:460
7450910,0irq/46-4a10000030207-21/usr/sbin/munin23:24:430
7450910,0irq/46-4a1000002852-21runrttasks22:04:420
7450910,0irq/46-4a10000023959-21memory23:05:150
7450910,0irq/46-4a10000022084-21if_err_eth021:25:090
7450910,0irq/46-4a10000021452-21runrttasks22:59:200
7450910,0irq/46-4a1000001916-21mailstats20:25:330
7450910,0irq/46-4a10000017650-21seq21:11:370
7450910,0irq/46-4a10000013799-21runrttasks22:36:070
7450910,0irq/46-4a1000001140-21/usr/sbin/munin23:35:070
7450910,0irq/46-4a10000010617-21/usr/sbin/munin22:25:320
324292910,0chrt31728-1kworker/u3:123:30:080
7450900,0irq/46-4a10000023026-21sshd00:37:360
7450900,0irq/46-4a10000022104-21sshd19:50:150
7450900,0irq/46-4a10000020248-21fw_forwarded_lo19:45:030
33902900,0sleep032008-1kworker/u3:020:30:220
7450890,0irq/46-4a1000009605-21sendmail-msp00:00:380
7450890,0irq/46-4a10000028556-21runrttasks20:09:490
7450890,0irq/46-4a10000016966-21meminfo19:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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