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2026-07-22 - 17:44
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Wed Jul 22, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013050,0irq/46-4a10000010860-1kworker/u3:107:06:050
7350970,0irq/45-4a10000012858-21diskstats08:38:590
7450960,0irq/46-4a1000007604-21df11:33:500
7450960,0irq/46-4a100000438-21snmpd08:03:350
7450950,0irq/46-4a10000015099-21sendmail_mailst08:44:310
7450950,0irq/46-4a10000012525-21/usr/sbin/munin10:14:210
13561999556,0cyclictest0-21swapper10:12:420
7450940,0irq/46-4a1000009470-21chrt08:29:020
7450940,0irq/46-4a10000021776-21runrttasks09:04:240
7450940,0irq/46-4a10000016855-21/usr/sbin/munin11:59:410
7450930,0irq/46-4a1000009834-21/usr/sbin/munin11:39:320
7450930,0irq/46-4a1000005068-21chrt08:14:360
7450930,0irq/46-4a10000028235-21df_inode09:23:590
7450930,0irq/46-4a10000027258-21/usr/sbin/munin12:29:350
7450930,0irq/46-4a10000025603-21runrttasks10:49:530
7450930,0irq/46-4a10000023701-21switchtime10:44:300
7450930,0irq/46-4a1000002291-21/usr/sbin/munin08:09:250
7450930,0irq/46-4a10000016433-21if_err_eth008:49:060
7450930,0irq/46-4a10000014688-21fschecks_time10:19:060
7450930,0irq/46-4a10000011431-21load08:34:160
7450930,0irq/46-4a10000010822-21/usr/sbin/munin11:44:080
7450930,0irq/46-4a1000001040-21chrt08:04:040
7450920,0irq/46-4a100000984-21perl11:14:040
7450920,0irq/46-4a1000007432-21/usr/sbin/munin08:24:300
7450920,0irq/46-4a1000006375-21/usr/sbin/munin11:29:210
7450920,0irq/46-4a100000438-21snmpd08:54:130
7450920,0irq/46-4a1000004306-21sshd11:23:580
7450920,0irq/46-4a10000030523-21/usr/sbin/munin07:54:340
7450920,0irq/46-4a10000025874-21chrt07:41:540
7450920,0irq/46-4a10000024707-21df_abs12:23:510
7450920,0irq/46-4a10000021366-21diskstats12:13:560
7450920,0irq/46-4a10000019803-21fw_conntrack12:09:040
7450920,0irq/46-4a10000019272-21sendmail-msp08:59:300
7450920,0irq/46-4a1000001644-21sed09:39:430
13561999257,0cyclictest0-21swapper07:24:360
7450910,0irq/46-4a1000008026-21meminfo09:59:220
7450910,0irq/46-4a1000006432-21cat08:19:340
7450910,0irq/46-4a1000006225-21irqstats09:54:120
7450910,0irq/46-4a1000003304-21runrttasks11:19:420
7450910,0irq/46-4a10000031609-21df_inode11:08:540
7450910,0irq/46-4a10000026505-21sshd10:53:580
7450910,0irq/46-4a10000025348-21mailstats09:14:300
7450910,0irq/46-4a1000002336-21/usr/sbin/munin09:43:450
7450910,0irq/46-4a10000023251-21seq07:34:050
7450910,0irq/46-4a10000021472-21tune2fs10:39:070
7450910,0irq/46-4a10000020384-21grep10:34:320
7450910,0irq/46-4a10000018000-21diskstats07:18:590
7450910,0irq/46-4a10000017626-21wc12:03:370
7450910,0irq/46-4a10000016887-21grep07:14:510
7450910,0irq/46-4a10000016270-21/usr/sbin/munin10:23:560
7450910,0irq/46-4a10000015120-21sensors11:54:310
7450910,0irq/46-4a10000013135-21memory11:49:210
7350910,0irq/45-4a1000005147-1kworker/u3:209:50:190
7350910,0irq/45-4a10000022542-1kworker/u3:012:21:050
13561999159,0cyclictest0-21swapper07:44:340
13561999157,0cyclictest0-21swapper10:03:580
7450900,0irq/46-4a10000030613-21ls09:29:350
7450900,0irq/46-4a10000029918-21seq11:03:550
7450900,0irq/46-4a10000029089-21sshd12:35:320
7450900,0irq/46-4a10000027798-21sendmail-msp10:59:230
7450900,0irq/46-4a10000023191-21cut09:08:590
7450900,0irq/46-4a10000018168-21/usr/sbin/munin10:29:090
7450890,0irq/46-4a10000014770-21runrttasks07:09:430
13561998958,0cyclictest0-21swapper07:29:270
7450880,0irq/46-4a10000028625-21ntp_states07:49:240
7450880,0irq/46-4a10000026527-21df_inode09:18:580
7450870,0irq/46-4a10000031710-21runrttasks09:34:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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