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2026-05-10 - 08:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 rackaslot8.osadl.org (updated Sun May 10, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96862332300,22sleep20-21swapper/219:06:152
99192303267,22sleep10-21swapper/119:08:591
99562278249,19sleep00-21swapper/019:09:260
98072271240,20sleep30-21swapper/319:07:323
10072620,0sleep10-21swapper/100:23:111
10072620,0sleep10-21swapper/100:23:111
191282610,0sleep20-21swapper/221:20:322
136972600,0sleep10-21swapper/122:35:121
93922590,0sleep00-21swapper/021:54:120
54962590,1sleep00-21swapper/023:47:020
4062590,0sleep20-21swapper/222:07:502
234282580,0sleep10-21swapper/121:42:531
78672570,0sleep00-21swapper/022:50:160
54632570,0sleep30-21swapper/321:51:133
272792570,0sleep10-21swapper/100:00:141
157072570,0sleep10-21swapper/100:31:281
196682560,0sleep20-21swapper/223:16:412
196022560,0sleep20-21swapper/222:00:132
136742560,0sleep20-21swapper/223:51:532
45792180,0sleep20-21swapper/223:27:072
244242170,0sleep20-21swapper/200:36:452
20742160,0sleep20-21swapper/200:24:012
20742160,0sleep20-21swapper/200:24:012
189282150,0sleep30-21swapper/319:25:183
121242150,0sleep10-21swapper/123:12:211
35142140,0sleep10-21swapper/123:45:311
54362130,0sleep00-21swapper/021:32:030
251882130,0sleep00-21swapper/021:44:140
236992130,0chrt0-21swapper/022:21:170
174282130,0sleep30-21swapper/300:32:473
157762130,0sleep20-21swapper/221:38:302
321222120,0sleep10-21swapper/122:45:211
166132120,0sleep30-21swapper/320:35:013
10097991110,1cyclictest12-21ksoftirqd/022:20:010
228492100,0sleep30-21swapper/323:57:183
1009799109,1cyclictest12-21ksoftirqd/023:05:010
15300290,0sleep20-21swapper/200:31:092
101009993,3cyclictest28644-21munin-run22:25:011
100979998,1cyclictest131rcuc/020:40:010
100979998,1cyclictest12-21ksoftirqd/023:25:000
100979998,1cyclictest12-21ksoftirqd/023:20:000
100979998,1cyclictest12-21ksoftirqd/020:30:010
100979998,1cyclictest12-21ksoftirqd/020:25:010
100979998,1cyclictest12-21ksoftirqd/019:15:010
100979998,1cyclictest12-21ksoftirqd/000:05:000
100979998,1cyclictest12-21ksoftirqd/000:00:010
100979994,3cyclictest12-21ksoftirqd/022:26:060
100979993,4cyclictest12-21ksoftirqd/023:53:490
100979993,4cyclictest12-21ksoftirqd/023:42:320
100979992,4cyclictest8773-21apt-get21:15:120
100979992,1cyclictest12-21ksoftirqd/023:25:120
101099980,7cyclictest8996-21ssh00:27:563
101059980,5cyclictest21373-21idleruntime-cro22:40:012
101009982,3cyclictest8281-21munin-run21:15:011
100979987,1cyclictest12-21ksoftirqd/022:50:010
100979987,1cyclictest12-21ksoftirqd/022:35:010
100979987,1cyclictest12-21ksoftirqd/022:05:020
100979987,1cyclictest12-21ksoftirqd/019:55:000
100979986,1cyclictest12-21ksoftirqd/000:30:000
100979983,3cyclictest12-21ksoftirqd/021:46:550
100979983,1cyclictest141rcu_preempt22:12:560
100979982,4cyclictest12-21ksoftirqd/023:14:020
100979982,4cyclictest12-21ksoftirqd/021:26:020
782276,0sleep30-21swapper/321:49:023
31198270,0sleep10-21swapper/123:43:151
16148270,0sleep20-21swapper/200:12:472
101099976,1cyclictest34-21ksoftirqd/322:00:013
101099973,3cyclictest658-21snmpd20:22:333
101099973,3cyclictest658-21snmpd20:14:243
101099973,3cyclictest5275-21cron20:10:003
101099973,3cyclictest275-21systemd-journal23:06:163
101099972,3cyclictest275-21systemd-journal19:55:013
101059973,3cyclictest29942-11brltty21:13:282
101059973,3cyclictest275-21systemd-journal00:29:492
101059973,3cyclictest16835-21perf23:35:012
101059971,3cyclictest16631-21munin-run21:20:002
101059970,4cyclictest16429-21dump-pmu-power20:35:022
101009974,2cyclictest14963-21/usr/sbin/munin22:55:221
101009971,4cyclictest28719-21munin-plugin-st00:40:001
101009970,1cyclictest32313-21diskmemload21:48:151
101009970,1cyclictest0-21swapper/123:06:061
100979976,1cyclictest12-21ksoftirqd/020:40:010
100979976,1cyclictest12-21ksoftirqd/020:05:010
100979976,1cyclictest12-21ksoftirqd/020:00:010
100979976,1cyclictest12-21ksoftirqd/019:30:000
100979975,1cyclictest131rcuc/019:40:000
100979973,3cyclictest658-21snmpd20:56:020
100979973,1cyclictest141rcu_preempt22:55:450
100979973,1cyclictest12-21ksoftirqd/023:36:110
100979973,1cyclictest12-21ksoftirqd/022:35:470
100979973,1cyclictest12-21ksoftirqd/000:19:100
100979973,0cyclictest0-21swapper/022:42:160
100979972,3cyclictest12-21ksoftirqd/023:32:450
100979972,3cyclictest12-21ksoftirqd/022:08:560
100979972,3cyclictest12-21ksoftirqd/019:41:050
100979972,3cyclictest12-21ksoftirqd/000:32:070
100979971,4cyclictest12-21ksoftirqd/021:37:080
100979971,4cyclictest12-21ksoftirqd/021:20:120
100979971,4cyclictest12-21ksoftirqd/019:45:180
100979971,4cyclictest12-21ksoftirqd/019:15:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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