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2026-04-09 - 10:07
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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 Thu Apr 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501930,0irq/46-4a1000001537-21runrttasks19:04:060
115182960,0sleep09425-1kworker/u3:021:06:200
7450940,0irq/46-4a10000021698-21tune2fs23:11:120
7450930,0irq/46-4a1000004037-1kworker/u3:020:50:360
7450930,0irq/46-4a10000027001-21meminfo23:26:260
7450920,0irq/46-4a1000004235-21/usr/sbin/munin19:11:170
7450920,0irq/46-4a10000020945-21seq23:09:200
7450920,0irq/46-4a1000001773-21cat20:36:420
7450920,0irq/46-4a10000016490-21sshd22:56:130
7450920,0irq/46-4a10000016270-21seq00:30:590
7450920,0irq/46-4a1000001426-21ntpq23:46:310
105792920,0sleep010423-1kworker/u3:022:38:110
7450910,0irq/46-4a1000007068-1kworker/u3:222:28:360
7450910,0irq/46-4a1000006800-21sensors_temp19:16:390
7450910,0irq/46-4a1000006599-21ntp_offset00:01:340
7450910,0irq/46-4a100000525-1kworker/u3:022:11:270
7450910,0irq/46-4a1000004411-21ls22:21:040
7450910,0irq/46-4a1000003145-21runrttasks22:16:300
7450910,0irq/46-4a10000031346-21runrttasks22:05:280
7450910,0irq/46-4a10000030981-21runrttasks23:37:210
7450910,0irq/46-4a1000003076-21seq23:51:250
7450910,0irq/46-4a10000030116-21df_inode20:26:060
7450910,0irq/46-4a10000026684-21sed21:51:060
7450910,0irq/46-4a10000025301-21missed_timers20:11:290
7450910,0irq/46-4a10000023420-21fschecks_time21:41:180
7450910,0irq/46-4a10000022355-21uptime21:36:460
7450910,0irq/46-4a10000021125-21cron21:35:460
7450910,0irq/46-4a10000018379-21irqstats19:51:220
7450910,0irq/46-4a10000016973-21sendmail_mailst19:46:370
7450910,0irq/46-4a10000016907-21/usr/sbin/munin21:21:370
7350910,0irq/45-4a100000484-21runrttasks22:45:060
7450900,0irq/46-4a1000009965-21/usr/sbin/munin19:26:300
7450900,0irq/46-4a1000009195-21munin-run00:10:470
7450900,0irq/46-4a1000008124-21cat20:56:200
7450900,0irq/46-4a1000007838-21sh19:21:030
7450900,0irq/46-4a1000007823-21df22:31:040
7450900,0irq/46-4a1000006907-21cat20:51:430
7450900,0irq/46-4a10000031977-21fw_forwarded_lo22:06:180
7450900,0irq/46-4a10000029063-21/usr/sbin/munin23:31:410
7450900,0irq/46-4a10000028627-21if_eth021:56:210
7450900,0irq/46-4a10000028330-21df20:21:020
7450900,0irq/46-4a1000002673-21cstates20:40:590
7450900,0irq/46-4a10000026120-1kworker/u3:120:31:190
7450900,0irq/46-4a1000002339-21tune2fs19:06:150
7450900,0irq/46-4a10000015026-21/usr/sbin/munin19:41:240
7450900,0irq/46-4a10000014812-21tune2fs21:16:130
7450900,0irq/46-4a10000012962-21df_abs21:11:050
7450900,0irq/46-4a10000011492-21/usr/sbin/munin00:16:150
7450890,0irq/46-4a10000027044-21missed_timers20:16:310
7450890,0irq/46-4a10000025373-21/usr/sbin/munin21:46:350
7450890,0irq/46-4a10000025164-21fw_forwarded_lo23:21:180
7450890,0irq/46-4a10000019820-21df_abs19:56:030
7450890,0irq/46-4a10000019038-21runrttasks21:27:340
7450890,0irq/46-4a10000019000-1kworker/u3:020:08:370
7450890,0irq/46-4a10000019000-1kworker/u3:020:02:340
7450890,0irq/46-4a10000015380-21ls00:26:430
7450890,0irq/46-4a10000014069-21chrt00:23:470
7450890,0irq/46-4a10000012853-21wget19:35:580
7450890,0irq/46-4a10000010250-21threads00:11:400
7450890,0irq/46-4a10000010131-21/usr/sbin/munin21:01:360
140152890,0chrt12301-1kworker/u3:122:48:270
7450880,0irq/46-4a1000004932-21/usr/sbin/munin23:56:360
7450880,0irq/46-4a10000022994-21/usr/sbin/munin23:16:380
7450880,0irq/46-4a10000014616-21grep22:51:070
7450880,0irq/46-4a10000011549-21irqstats19:31:220
7450870,0irq/46-4a10000032120-21cat23:41:250
7450870,0irq/46-4a10000018426-21latency23:01:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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