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2026-09-06 - 00:34
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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 376 highest latencies:
System rackcslot4.osadl.org (updated Sat Sep 05, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41308362274233,27sleep00-21swapper/007:09:240
41306512270186,20sleep10-21swapper/107:07:261
418193821590,4sleep10-21swapper/109:12:481
4131017997369,3cyclictest4161095-21kworker/u8:208:35:251
136599730,4rtkit-daemon1364-21rtkit-daemon12:30:321
136599710,4rtkit-daemon1364-21rtkit-daemon11:10:311
136599680,4rtkit-daemon1364-21rtkit-daemon12:16:161
136599510,3rtkit-daemon1364-21rtkit-daemon11:09:411
136599490,3rtkit-daemon1364-21rtkit-daemon09:09:561
41600052480,7sleep14160000-21fschecks_count08:20:181
136599480,4rtkit-daemon1364-21rtkit-daemon07:22:171
136599480,3rtkit-daemon1364-21rtkit-daemon09:53:381
41897142470,2sleep14189716-21rm09:24:171
136599470,4rtkit-daemon1364-21rtkit-daemon07:52:591
136599470,3rtkit-daemon1364-21rtkit-daemon07:31:381
41483752450,4sleep04148378-21pmu-power07:50:210
4131014994536,7cyclictest4166608-21fwupd08:35:240
136599440,4rtkit-daemon1364-21rtkit-daemon08:19:470
136599430,4rtkit-daemon1364-21rtkit-daemon11:43:440
136599380,6rtkit-daemon4158796-21switchtime08:15:211
4131017993714,4cyclictest26-21ksoftirqd/111:35:001
136599370,3rtkit-daemon0-21swapper/110:42:551
136599360,3rtkit-daemon0-21swapper/011:44:461
41394562350,8sleep0131ksoftirqd/007:30:000
136599350,3rtkit-daemon0-21swapper/009:19:060
4131017993412,4cyclictest26-21ksoftirqd/110:05:211
4131017993411,4cyclictest26-21ksoftirqd/112:05:161
136599340,5rtkit-daemon60324-21fschecks_time10:55:180
136599340,5rtkit-daemon4177697-21df_inode09:05:160
136599340,5rtkit-daemon4133107-21munin-node11:33:190
136599340,4rtkit-daemon0-21swapper/011:51:581
136599340,3rtkit-daemon0-21swapper/109:47:561
136599340,3rtkit-daemon0-21swapper/109:25:180
136599340,3rtkit-daemon0-21swapper/012:10:201
413101799338,4cyclictest26-21ksoftirqd/110:47:021
413101799336,4cyclictest26-21ksoftirqd/112:20:201
413101799335,10cyclictest26-21ksoftirqd/111:02:081
413101799334,9cyclictest26-21ksoftirqd/110:10:171
4131017993313,3cyclictest26-21ksoftirqd/107:25:211
4131017993311,4cyclictest26-21ksoftirqd/109:40:211
4131017993310,4cyclictest26-21ksoftirqd/111:45:381
136599330,4rtkit-daemon1364-21rtkit-daemon12:14:290
136599330,4rtkit-daemon1364-21rtkit-daemon12:02:170
136599330,4rtkit-daemon1364-21rtkit-daemon11:47:460
136599330,4rtkit-daemon1364-21rtkit-daemon10:51:390
136599330,4rtkit-daemon0-21swapper/011:21:410
136599330,3rtkit-daemon1364-21rtkit-daemon12:35:111
136599330,3rtkit-daemon1364-21rtkit-daemon09:32:021
136599330,3rtkit-daemon0-21swapper/110:37:261
136599330,3rtkit-daemon0-21swapper/107:42:511
413101799329,4cyclictest26-21ksoftirqd/111:29:551
4131017993217,4cyclictest26-21ksoftirqd/112:00:001
4131017993215,4cyclictest26-21ksoftirqd/111:35:261
4131017993211,4cyclictest26-21ksoftirqd/110:53:081
4131017993211,4cyclictest26-21ksoftirqd/109:35:171
4131017993210,4cyclictest26-21ksoftirqd/109:27:521
4131017993210,3cyclictest26-21ksoftirqd/108:55:221
136599320,3rtkit-daemon1364-21rtkit-daemon11:02:510
136599320,3rtkit-daemon1364-21rtkit-daemon10:30:210
136599320,3rtkit-daemon1364-21rtkit-daemon07:56:351
136599320,3rtkit-daemon0-21swapper/108:54:520
136599320,3rtkit-daemon0-21swapper/012:04:321
136599320,3rtkit-daemon0-21swapper/010:57:121
136599320,3rtkit-daemon0-21swapper/010:01:191
136599320,3rtkit-daemon0-21swapper/009:15:311
136599320,3rtkit-daemon0-21swapper/008:08:071
136599320,3rtkit-daemon0-21swapper/007:13:111
413101799319,3cyclictest26-21ksoftirqd/110:33:491
413101799318,4cyclictest26-21ksoftirqd/111:16:531
4131017993111,4cyclictest26-21ksoftirqd/110:23:281
4131017993110,4cyclictest26-21ksoftirqd/110:17:521
136599310,4rtkit-daemon26-21ksoftirqd/110:44:220
413101799308,4cyclictest26-21ksoftirqd/108:30:131
4131017993016,4cyclictest26-21ksoftirqd/107:50:011
4131017993010,4cyclictest26-21ksoftirqd/112:28:411
4131017993010,4cyclictest26-21ksoftirqd/109:57:431
4131017993010,4cyclictest26-21ksoftirqd/109:57:421
136599300,4rtkit-daemon1364-21rtkit-daemon12:26:360
136599300,3rtkit-daemon1364-21rtkit-daemon08:51:581
136599300,3rtkit-daemon1364-21rtkit-daemon08:00:270
136599300,3rtkit-daemon0-21swapper/107:56:210
136599300,3rtkit-daemon0-21swapper/107:40:580
413101799296,4cyclictest26-21ksoftirqd/111:20:061
4131017992910,4cyclictest26-21ksoftirqd/110:25:281
136599290,4rtkit-daemon1364-21rtkit-daemon08:46:151
136599290,3rtkit-daemon0-21swapper/111:28:520
136599290,3rtkit-daemon0-21swapper/111:15:390
136599290,3rtkit-daemon0-21swapper/109:48:040
136599290,3rtkit-daemon0-21swapper/108:47:260
136599290,3rtkit-daemon0-21swapper/008:03:411
413101799289,5cyclictest26-21ksoftirqd/107:35:201
413101799288,3cyclictest26-21ksoftirqd/108:26:011
136599280,4rtkit-daemon1364-21rtkit-daemon11:12:130
136599280,4rtkit-daemon0-21swapper/107:14:320
136599280,3rtkit-daemon0-21swapper/107:31:450
413101799275,4cyclictest26-21ksoftirqd/108:40:461
413101799270,6cyclictest0-21swapper/109:00:231
413101799270,6cyclictest0-21swapper/108:10:201
136599270,3rtkit-daemon0-21swapper/109:22:020
136599270,22rtkit-daemon4131007-21cyclictest07:39:360
413101799267,3cyclictest26-21ksoftirqd/107:15:031
413101499251,18cyclictest21414-21apt-get10:00:130
4131014992510,3cyclictest141rcu_preempt10:47:540
136599250,20rtkit-daemon4131007-21cyclictest08:57:250
136599250,20rtkit-daemon2812-21urbackupserver:08:34:540
413101499242,9cyclictest4193766-21apt-get09:30:160
413101499242,16cyclictest17625-21apt-get09:55:150
413101499242,16cyclictest17625-21apt-get09:55:150
4131014992411,8cyclictest110524-1kworker/u9:012:15:140
413101499240,6cyclictest0-21swapper/009:13:550
136599240,1rtkit-daemon1364-21rtkit-daemon11:08:080
136599240,1rtkit-daemon1364-21rtkit-daemon08:20:300
413101499233,8cyclictest46137-21apt-get10:35:160
413101499233,11cyclictest14054-21apt-get09:50:180
413101499232,14cyclictest4161734-21apt-get08:25:160
413101499230,6cyclictest41389-21ssh10:27:070
136599230,1rtkit-daemon1364-21rtkit-daemon12:31:300
136599230,19rtkit-daemon2812-21urbackupserver:08:41:340
136599230,14rtkit-daemon0-21swapper/010:20:460
413101499223,14cyclictest102063-21apt-get11:55:150
413101499222,14cyclictest4133712-21apt-get07:15:130
413101499220,7cyclictest9337-21ssh09:42:560
136599220,1rtkit-daemon1364-21rtkit-daemon10:19:030
1326252220,9sleep00-21swapper/012:38:410
413101499214,10cyclictest98631-21apt-get11:50:130
413101499212,14cyclictest4145587-21apt-get07:45:140
413101499210,6cyclictest4179245-21diskmemload10:05:130
413101499204,9cyclictest4155822-21apt-get08:10:130
413101499202,11cyclictest3453-21apt-get09:35:130
413101499201,6cyclictest30669-21ssh10:11:180
413101499201,13cyclictest118925-21apt-get12:20:070
413101499200,5cyclictest0-21swapper/012:08:090
136599200,13rtkit-daemon0-21swapper/008:05:370
413101499186,2cyclictest141rcu_preempt09:00:240
413101499180,16cyclictest4136152-21ls07:20:160
413101499174,2cyclictest141rcu_preempt11:35:150
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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