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2026-07-07 - 06:20
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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 Tue Jul 07, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502700,0irq/46-4a1000002476-1kworker/u3:019:08:370
130572948,0sleep013069-21munin-run22:49:110
35242930,0sleep02914-1kworker/u3:223:54:530
7450890,0irq/46-4a1000009835-21aten_r4power_po00:14:230
7350890,0irq/45-4a1000008102-21/usr/sbin/munin21:00:090
7350890,0irq/45-4a10000020256-21df21:34:310
300062890,0sleep029963-1kworker/u3:222:03:030
13722898,0sleep01271-21/usr/sbin/munin20:39:250
7450880,0irq/46-4a1000004524-1kworker/u3:219:19:300
7450880,0irq/46-4a10000032610-21meminfo20:34:520
7450880,0irq/46-4a10000023503-21/usr/sbin/munin21:44:220
7450880,0irq/46-4a10000014761-21idleruntime-cro00:29:110
7450870,0irq/46-4a1000009389-21runrttasks22:37:130
7450870,0irq/46-4a1000005182-21if_eth022:24:490
7450870,0irq/46-4a1000002436-21runrttasks23:51:260
7450870,0irq/46-4a10000019010-21ntp_kernel_pll_21:30:000
7450870,0irq/46-4a10000014824-21sendmail-msp21:19:350
7450870,0irq/46-4a10000013554-21seq19:39:340
7350870,0irq/45-4a10000018630-21/usr/sbin/munin23:04:350
7450860,0irq/46-4a1000009675-21sendmail-msp22:39:410
7450860,0irq/46-4a1000006459-21hostname22:29:240
7450860,0irq/46-4a100000438-21snmpd20:57:360
7450860,0irq/46-4a1000003441-21cat22:19:500
7450860,0irq/46-4a10000030981-21ntpq20:29:570
7450860,0irq/46-4a10000030156-21sendmail-msp23:40:100
7450860,0irq/46-4a10000028867-21/usr/sbin/munin23:34:370
7450860,0irq/46-4a10000025335-21ls21:49:250
7450860,0irq/46-4a10000023573-21aten_r4power_vo20:09:230
7450860,0irq/46-4a10000022468-21/usr/sbin/munin23:15:020
7450860,0irq/46-4a1000001953-21seq22:15:020
7450860,0irq/46-4a10000018339-21latency_hist19:54:160
7350860,0irq/45-4a1000004894-21df_abs23:59:300
7350860,0irq/45-4a10000016960-21seq19:49:340
1525328610,0sleep015256-21diskstats19:44:310
7450850,0irq/46-4a1000008524-21grep19:24:390
7450850,0irq/46-4a100000575-21unixbench_singl22:10:090
7450850,0irq/46-4a1000004524-1kworker/u3:219:29:280
7450850,0irq/46-4a10000027064-21sed23:29:300
7450850,0irq/46-4a10000026837-21grep21:54:150
7450850,0irq/46-4a10000026791-21sendmail-msp20:19:450
7450850,0irq/46-4a10000025463-21df_abs20:14:290
7450850,0irq/46-4a10000023881-21grep23:19:440
7450850,0irq/46-4a10000021655-21idleruntime-cro20:04:120
7450850,0irq/46-4a10000021646-21sendmail-msp21:39:570
7450850,0irq/46-4a10000017188-21munin-run00:39:120
7450850,0irq/46-4a10000015360-21seq22:54:470
7450850,0irq/46-4a10000013793-21memory22:49:530
7450850,0irq/46-4a10000011814-21sshd21:09:360
7450850,0irq/46-4a10000011796-21runrttasks00:19:390
4258998553,0cyclictest0-21swapper23:24:390
7450840,0irq/46-4a1000008625-21/usr/sbin/munin00:09:490
7450840,0irq/46-4a1000006945-21latency00:04:500
7450840,0irq/46-4a1000004974-21awk19:14:120
7450840,0irq/46-4a1000003738-21runrttasks20:45:030
7450840,0irq/46-4a10000032262-21df_abs23:44:290
7450840,0irq/46-4a10000032080-1kworker/u3:121:04:470
7450840,0irq/46-4a10000030638-21grep22:04:380
7450840,0irq/46-4a10000021101-21runrttasks23:10:170
7450840,0irq/46-4a10000018197-21cron21:29:110
7450840,0irq/46-4a10000016955-21seq22:59:410
7450840,0irq/46-4a10000016482-21ls00:34:130
7450840,0irq/46-4a1000001485-1kworker/u3:020:49:260
7450840,0irq/46-4a10000014558-21chrt21:17:250
7450840,0irq/46-4a10000012179-21/usr/sbin/munin19:34:560
222342848,0sleep022235-21fw_forwarded_lo20:04:440
7450820,0irq/46-4a10000028822-21df20:24:280
7450820,0irq/46-4a1000001684-1kworker/u3:119:18:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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