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2026-09-06 - 07:37
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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 Sun Sep 06, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182032394121,0sleep017387-21kworker/0:219:05:330
253482918,0sleep025352-21sh22:35:170
7450860,0irq/46-4a10000031012-21/usr/sbin/munin22:50:510
7450860,0irq/46-4a10000016162-1kworker/u3:022:10:240
7350860,0irq/45-4a1000004078-1kworker/u3:019:10:220
7450850,0irq/46-4a10000029069-21ntpq19:35:390
7450850,0irq/46-4a100000178102chrt23:47:310
7450840,0irq/46-4a1000002952-21aten_r4power_vo23:05:070
7450830,0irq/46-4a1000009036-21sshd21:45:560
7450830,0irq/46-4a1000007210-21wc21:40:500
7450830,0irq/46-4a100000279842sleep022:41:590
7450830,0irq/46-4a10000022960-21seq00:02:340
7450820,0irq/46-4a1000009159-21seq23:21:390
7450820,0irq/46-4a100000855-21sshd21:23:560
7450820,0irq/46-4a1000006249-1kworker/u3:123:15:180
7450820,0irq/46-4a1000005149-21/usr/sbin/munin23:10:330
7450820,0irq/46-4a10000028272-21runrttasks00:19:090
7450820,0irq/46-4a10000027426-21ntpq21:05:430
7450820,0irq/46-4a10000023302-21aten_r4power_cu19:20:040
7450820,0irq/46-4a10000023042chrt23:01:330
7450820,0irq/46-4a10000021802-21ls19:15:280
7450820,0irq/46-4a10000019958-1kworker/u3:220:50:360
7450820,0irq/46-4a1000001493-21fschecks_time19:50:220
7450820,0irq/46-4a10000014377-21sshd20:27:560
103082829,0sleep010343-21/usr/sbin/munin23:25:380
7450810,0irq/46-4a1000008997-21chrt20:10:560
7450810,0irq/46-4a1000005652sleep019:46:500
7450810,0irq/46-4a100000438-21snmpd20:37:430
7450810,0irq/46-4a1000003903-21vmstat21:30:580
7450810,0irq/46-4a10000028600-1kworker/u3:023:55:060
7450810,0irq/46-4a100000285232chrt00:20:020
7450810,0irq/46-4a10000024494-1kworker/u3:119:30:300
7450810,0irq/46-4a10000020388-1kworker/u3:022:25:480
7450810,0irq/46-4a10000018685-21fw_conntrack23:50:230
7450810,0irq/46-4a10000012577-1kworker/u3:223:35:310
7450810,0irq/46-4a10000012098-21runrttasks23:30:400
7450800,0irq/46-4a10000073392sleep020:06:160
7450800,0irq/46-4a1000005777-1kworker/u3:121:10:270
7450800,0irq/46-4a10000031322-1kworker/u3:122:55:320
7450800,0irq/46-4a10000030016-1kworker/u3:000:30:090
7450800,0irq/46-4a10000030016-1kworker/u3:000:25:480
7450800,0irq/46-4a10000023144-1kworker/u3:021:00:450
7450800,0irq/46-4a10000021540-1kworker/u3:200:05:340
7450800,0irq/46-4a10000020388-1kworker/u3:022:23:260
7450800,0irq/46-4a10000019958-1kworker/u3:220:45:390
7450800,0irq/46-4a10000018026-1kworker/u3:020:40:130
7450790,0irq/46-4a100000738-1kworker/u3:200:35:050
7450790,0irq/46-4a100000438-21snmpd22:03:170
7450790,0irq/46-4a1000003199-21perl19:55:210
7450790,0irq/46-4a100000263282chrt19:27:570
7450790,0irq/46-4a100000162132sleep023:43:290
7450790,0irq/46-4a10000015846-21runrttasks20:30:590
7450790,0irq/46-4a10000014449-1kworker/u3:122:05:350
7450790,0irq/46-4a10000010976-21chrt20:18:100
7450780,0irq/46-4a10000030230-21aten_r4power_vo19:40:060
7450780,0irq/46-4a10000029914-21runrttasks22:48:500
7450780,0irq/46-4a10000029589-1kworker/u3:021:15:330
7450780,0irq/46-4a10000026455-1kworker/u3:222:30:310
7450780,0irq/46-4a10000018196-1kworker/u3:122:15:380
7450780,0irq/46-4a100000125112chrt21:56:310
7450770,0irq/46-4a1000009435-1kworker/u3:020:20:230
7450770,0irq/46-4a1000005681-21seq20:01:420
7450770,0irq/46-4a1000002607-21runrttasks21:29:180
7450760,0irq/46-4a100000265812sleep000:14:220
7450760,0irq/46-4a10000023144-1kworker/u3:020:56:560
7350760,0irq/45-4a1000005561-21unixbench_singl21:35:510
96552750,0sleep09098-1kworker/u3:021:50:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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