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2026-06-24 - 11:28
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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
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Wed Jun 24, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1187225240,5sleep00-21swapper/019:05:230
121572210158,26sleep30-21swapper/319:05:433
124692200161,26sleep20-21swapper/219:09:482
122152198159,26sleep10-21swapper/119:06:291
120252780,0sleep20-21swapper/222:45:152
9062700,0sleep30-21swapper/321:45:153
205232620,0sleep10-21swapper/122:11:341
182062160,0sleep20-21swapper/221:25:162
204332150,0sleep30-21swapper/323:40:143
1257699140,1cyclictest0-21swapper/121:05:221
1257699140,0cyclictest0-21swapper/122:50:121
1257699130,1cyclictest0-21swapper/123:00:151
1257699130,1cyclictest0-21swapper/122:30:171
1257699130,0cyclictest0-21swapper/123:52:121
1257699120,2cyclictest0-21swapper/119:20:191
1257699120,11cyclictest0-21swapper/121:35:131
1257699120,1cyclictest0-21swapper/122:55:271
1257699120,1cyclictest0-21swapper/122:26:581
1257699120,1cyclictest0-21swapper/121:47:441
1257699120,1cyclictest0-21swapper/120:25:141
1257699120,1cyclictest0-21swapper/120:25:131
1257699120,1cyclictest0-21swapper/100:05:201
1257699120,0cyclictest0-21swapper/100:16:571
12586991110,1cyclictest28-21ksoftirqd/223:02:412
1257699110,2cyclictest0-21swapper/100:02:081
1257699110,10cyclictest0-21swapper/123:25:131
1257699110,1cyclictest0-21swapper/123:30:181
1257699110,1cyclictest0-21swapper/123:22:501
1257699110,1cyclictest0-21swapper/122:35:131
1257699110,1cyclictest0-21swapper/121:15:191
1257699110,0cyclictest0-21swapper/121:56:501
1257699110,0cyclictest0-21swapper/100:39:401
1257699110,0cyclictest0-21swapper/100:34:221
297292100,0sleep00-21swapper/023:53:300
1259399109,1cyclictest35-21ksoftirqd/321:10:013
1258699101,8cyclictest21412-21/usr/sbin/munin21:30:232
1258699100,10cyclictest0-21swapper/223:12:072
1257699100,1cyclictest0-21swapper/123:56:171
1257699100,1cyclictest0-21swapper/122:20:591
1257699100,1cyclictest0-21swapper/121:31:401
1257699100,1cyclictest0-21swapper/119:40:131
1257699100,1cyclictest0-21swapper/100:30:001
1257699100,0cyclictest0-21swapper/123:40:011
1257699100,0cyclictest0-21swapper/122:00:271
1257699100,0cyclictest0-21swapper/120:30:011
1257699100,0cyclictest0-21swapper/100:10:101
1256499108,1cyclictest9-21ksoftirqd/019:25:000
1256499100,5cyclictest29812-21perf23:10:000
32398290,0sleep20-21swapper/223:55:372
125939990,3cyclictest240-21systemd-journal00:07:373
125869996,1cyclictest61650irq/122-eno123:50:002
125869990,9cyclictest0-21swapper/200:34:082
125869990,6cyclictest0-21swapper/223:15:192
125869990,5cyclictest0-21swapper/222:40:212
125769990,9cyclictest0-21swapper/121:52:551
125769990,9cyclictest0-21swapper/120:20:001
125769990,8cyclictest0-21swapper/122:49:421
125769990,1cyclictest0-21swapper/122:40:191
125769990,1cyclictest0-21swapper/121:40:141
125769990,1cyclictest0-21swapper/121:27:091
125769990,1cyclictest0-21swapper/121:13:101
125769990,1cyclictest0-21swapper/119:25:171
125649990,5cyclictest0-21swapper/021:40:110
125649990,1cyclictest240-21systemd-journal00:15:000
125939984,1cyclictest20979-21cat19:25:143
125939984,1cyclictest15075-21/usr/sbin/munin22:50:223
125939983,4cyclictest28877-21apt-get21:40:113
125869987,1cyclictest28-21ksoftirqd/221:51:442
125869986,1cyclictest61650irq/122-eno123:25:122
125869986,1cyclictest61650irq/122-eno122:33:572
125869986,1cyclictest28-21ksoftirqd/220:55:002
125869984,2cyclictest240-21systemd-journal19:30:002
125869983,2cyclictest240-21systemd-journal21:38:472
125869980,0cyclictest0-21swapper/200:38:192
125769980,2cyclictest0-21swapper/123:13:151
125769980,1cyclictest0-21swapper/123:38:161
125769980,1cyclictest0-21swapper/123:06:411
125769980,1cyclictest0-21swapper/100:20:221
125769980,0cyclictest0-21swapper/121:20:321
125769980,0cyclictest0-21swapper/121:20:321
125649986,1cyclictest9-21ksoftirqd/019:45:000
125649981,6cyclictest0-21swapper/000:35:180
125649980,8cyclictest5836-21diskmemload22:30:220
125649980,7cyclictest22267-21wc19:25:210
125649980,6cyclictest240-21systemd-journal21:39:590
125649980,4cyclictest3515-21perf21:05:000
125649980,4cyclictest23441-21perf00:30:000
125649980,1cyclictest240-21systemd-journal21:45:170
125649980,0cyclictest0-21swapper/019:50:180
125939976,1cyclictest35-21ksoftirqd/320:00:003
125939975,1cyclictest7383-21ssh22:39:433
125939975,1cyclictest21574-21cat20:35:003
125939975,1cyclictest14246-21ssh23:31:003
125939972,3cyclictest22599-21apt-get23:00:103
125939972,2cyclictest5836-21diskmemload23:50:253
125939972,1cyclictest19459-21/usr/sbin/munin22:10:163
125939971,4cyclictest9756-21apt-get20:10:123
125939970,5cyclictest0-21swapper/322:18:053
125939970,3cyclictest0-21swapper/323:11:393
125939970,3cyclictest0-21swapper/321:35:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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