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2026-08-24 - 21:56
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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 Mon Aug 24, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313952314283,21sleep10-21swapper/107:06:171
297272307280,18sleep20-21swapper/207:05:062
314702274213,20sleep30-21swapper/307:07:163
315132268239,19sleep00-21swapper/007:07:490
194912640,0sleep10-21swapper/110:45:131
230262570,0sleep20-21swapper/212:24:042
59712560,0sleep20-21swapper/210:55:552
282542560,0sleep30-21swapper/309:33:063
222612560,0sleep20-21swapper/209:49:202
151772540,0sleep10-21swapper/112:19:311
77722530,0sleep00-21swapper/011:55:190
19632440,0sleep20-21swapper/212:10:512
58432190,0sleep30-21swapper/309:58:343
55702180,0sleep30-21swapper/311:15:183
274702180,0sleep10-21swapper/112:26:031
91802170,0sleep30-21swapper/311:56:023
235132170,0sleep10-21swapper/109:50:071
40762150,0sleep10-21swapper/111:53:321
287322140,0sleep20-21swapper/211:49:002
287322140,0sleep20-21swapper/211:49:002
188532140,0sleep30-21swapper/311:04:213
69282130,0sleep20-21swapper/207:25:132
239172130,0sleep00-21swapper/010:47:360
206662130,0sleep20-21swapper/209:05:192
127182130,0sleep10-21swapper/112:36:441
285622110,3sleep122-21ksoftirqd/109:33:201
3180399102,6cyclictest0-21swapper/112:03:391
3180199101,5cyclictest12-21ksoftirqd/010:55:540
318039992,5cyclictest0-21swapper/111:25:451
318039992,5cyclictest0-21swapper/110:36:021
318039991,6cyclictest22-21ksoftirqd/111:03:391
318039991,5cyclictest0-21swapper/109:10:391
318039990,6cyclictest15656-21ssh09:25:171
318019997,2cyclictest12-21ksoftirqd/012:30:000
318019993,4cyclictest12-21ksoftirqd/011:54:170
318019992,4cyclictest12-21ksoftirqd/012:00:560
318019992,4cyclictest12-21ksoftirqd/011:48:280
318019992,4cyclictest12-21ksoftirqd/011:48:270
318019992,4cyclictest12-21ksoftirqd/011:12:440
318019992,4cyclictest12-21ksoftirqd/011:00:250
318019992,4cyclictest12-21ksoftirqd/010:35:090
318019992,4cyclictest12-21ksoftirqd/010:30:420
318019991,6cyclictest12-21ksoftirqd/012:05:250
318019991,5cyclictest12-21ksoftirqd/011:29:540
318019991,5cyclictest12-21ksoftirqd/011:21:030
318019991,5cyclictest12-21ksoftirqd/009:53:240
318019991,1cyclictest12-21ksoftirqd/010:00:010
318119986,1cyclictest34-21ksoftirqd/309:20:003
318119983,3cyclictest275-21systemd-journal10:03:253
318039987,0cyclictest31521-21apt-get09:55:051
318039983,3cyclictest275-21systemd-journal10:20:091
318039983,3cyclictest141rcu_preempt11:07:141
318039982,5cyclictest6668-21sort09:20:131
318039982,5cyclictest22-21ksoftirqd/111:45:091
318039982,5cyclictest22-21ksoftirqd/111:45:091
318039982,5cyclictest22-21ksoftirqd/111:21:581
318039982,5cyclictest0-21swapper/110:05:431
318039982,4cyclictest0-21swapper/112:31:131
318039982,4cyclictest0-21swapper/111:55:221
318039982,4cyclictest0-21swapper/111:32:161
318039982,4cyclictest0-21swapper/110:57:591
318039982,4cyclictest0-21swapper/110:28:431
318039981,5cyclictest22-21ksoftirqd/111:11:591
318039981,5cyclictest0-21swapper/112:13:401
318039981,5cyclictest0-21swapper/112:06:551
318039981,5cyclictest0-21swapper/111:42:521
318039981,5cyclictest0-21swapper/111:36:311
318039981,5cyclictest0-21swapper/110:51:591
318039981,5cyclictest0-21swapper/109:17:551
318039981,4cyclictest0-21swapper/110:16:351
318039980,6cyclictest0-21swapper/110:42:381
318039980,4cyclictest4219-21/usr/sbin/munin08:30:141
318039980,4cyclictest26184-21ps08:05:191
318039980,3cyclictest21360-21diskmemload12:20:141
318019987,1cyclictest131rcuc/008:50:000
318019984,3cyclictest23989-21ntpq09:30:170
318019983,3cyclictest275-21systemd-journal09:20:220
318019983,3cyclictest275-21systemd-journal07:56:550
318019982,4cyclictest8347-21kworker/0:112:21:380
318019982,4cyclictest12-21ksoftirqd/012:31:250
318019982,4cyclictest12-21ksoftirqd/012:10:220
318019982,4cyclictest12-21ksoftirqd/008:30:200
318019982,4cyclictest0-21swapper/009:48:030
318019982,3cyclictest12-21ksoftirqd/011:36:480
318019981,5cyclictest12-21ksoftirqd/012:36:010
318019981,5cyclictest12-21ksoftirqd/011:40:220
318019981,5cyclictest12-21ksoftirqd/009:37:400
318019981,5cyclictest12-21ksoftirqd/009:25:420
318019981,5cyclictest0-21swapper/011:05:380
318019981,4cyclictest12-21ksoftirqd/012:16:500
318019981,4cyclictest12-21ksoftirqd/010:50:050
318019981,4cyclictest12-21ksoftirqd/010:27:120
318019981,4cyclictest12-21ksoftirqd/010:21:410
318019981,4cyclictest12-21ksoftirqd/010:16:320
318019981,4cyclictest12-21ksoftirqd/009:41:210
318019981,4cyclictest12-21ksoftirqd/009:15:490
318019981,4cyclictest12-21ksoftirqd/009:11:000
318019981,3cyclictest12-21ksoftirqd/011:15:080
318019981,1cyclictest12-21ksoftirqd/010:10:200
318019980,6cyclictest12-21ksoftirqd/011:31:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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