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2025-07-19 - 06:43
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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 highest latencies:
System rackcslot4.osadl.org (updated Sat Jul 19, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30012532260222,24sleep00-21swapper/019:09:410
30009752247203,28sleep10-21swapper/119:06:421
125899820,6rtkit-daemon1257-21rtkit-daemon23:13:241
125899530,4rtkit-daemon1257-21rtkit-daemon00:25:290
125899520,4rtkit-daemon1257-21rtkit-daemon20:19:491
31128452500,4sleep10-21swapper/122:35:241
125899500,4rtkit-daemon1257-21rtkit-daemon20:36:591
31966922490,4sleep03196685-21grep00:35:000
31217102431,35sleep03121718-21ssh22:48:300
125899420,3rtkit-daemon0-21swapper/121:37:371
125899420,3rtkit-daemon0-21swapper/121:11:481
125899390,3rtkit-daemon0-21swapper/123:39:471
125899380,3rtkit-daemon0-21swapper/123:30:091
125899380,3rtkit-daemon0-21swapper/121:52:531
125899380,3rtkit-daemon0-21swapper/121:34:291
125899370,4rtkit-daemon0-21swapper/123:46:051
125899370,3rtkit-daemon0-21swapper/122:19:271
125899370,3rtkit-daemon0-21swapper/022:08:360
31999422360,30sleep03199946-21sshd00:39:170
31024442360,4chrt3102447-21grep22:20:271
125899360,5rtkit-daemon1257-21rtkit-daemon23:15:371
125899360,3rtkit-daemon0-21swapper/122:41:521
125899360,3rtkit-daemon0-21swapper/019:42:550
125899360,3rtkit-daemon0-21swapper/019:15:121
300141099359,10cyclictest3129686-21apt-get23:00:131
3001410993520,8cyclictest3186386-21apt-get00:20:141
3001410993513,4cyclictest26-21ksoftirqd/121:25:521
300141099350,9cyclictest3053364-21apt-get21:15:131
125899350,6rtkit-daemon3111104-21ssh22:33:310
125899350,4rtkit-daemon1257-21rtkit-daemon22:34:041
125899350,3rtkit-daemon1257-21rtkit-daemon23:41:141
125899350,3rtkit-daemon0-21swapper/123:19:190
125899350,3rtkit-daemon0-21swapper/019:24:400
300141099340,8cyclictest3119005-21apt-get22:45:151
125899340,4rtkit-daemon1257-21rtkit-daemon19:53:050
125899340,4rtkit-daemon1257-21rtkit-daemon00:14:150
125899340,4rtkit-daemon1257-21rtkit-daemon00:03:230
125899340,4rtkit-daemon0-21swapper/123:26:150
125899340,3rtkit-daemon0-21swapper/100:12:571
125899340,3rtkit-daemon0-21swapper/022:02:321
125899340,11rtkit-daemon26-21ksoftirqd/123:30:290
300141099335,16cyclictest141rcu_preempt23:50:151
3001410993315,3cyclictest26-21ksoftirqd/123:55:391
125899330,4rtkit-daemon1257-21rtkit-daemon23:25:281
125899330,4rtkit-daemon1257-21rtkit-daemon23:20:591
125899330,4rtkit-daemon1257-21rtkit-daemon22:56:131
125899330,4rtkit-daemon1257-21rtkit-daemon21:02:160
125899330,4rtkit-daemon1257-21rtkit-daemon19:15:050
125899330,3rtkit-daemon0-21swapper/123:12:100
125899330,3rtkit-daemon0-21swapper/122:44:330
125899330,3rtkit-daemon0-21swapper/121:07:090
125899330,3rtkit-daemon0-21swapper/120:35:030
125899330,3rtkit-daemon0-21swapper/019:12:361
300141099327,10cyclictest26-21ksoftirqd/100:16:041
300141099326,10cyclictest26-21ksoftirqd/100:39:201
3001410993213,3cyclictest26-21ksoftirqd/100:30:161
3001410993212,4cyclictest26-21ksoftirqd/122:51:581
300141099321,10cyclictest26-21ksoftirqd/121:55:121
300141099320,8cyclictest3075097-21apt-get21:45:161
125899320,3rtkit-daemon1257-21rtkit-daemon23:02:500
125899320,3rtkit-daemon0-21swapper/122:35:040
125899320,3rtkit-daemon0-21swapper/121:34:570
125899320,3rtkit-daemon0-21swapper/121:21:270
125899320,3rtkit-daemon0-21swapper/020:51:451
125899320,3rtkit-daemon0-21swapper/019:51:411
300141099313,9cyclictest26-21ksoftirqd/122:05:201
300141099312,9cyclictest3045668-21taskset21:00:181
3001410993111,4cyclictest26-21ksoftirqd/100:04:321
300141099310,6cyclictest0-21swapper/119:40:171
125899310,4rtkit-daemon1257-21rtkit-daemon19:35:400
125899310,3rtkit-daemon0-21swapper/123:47:520
125899310,3rtkit-daemon0-21swapper/123:37:340
125899310,3rtkit-daemon0-21swapper/122:21:240
125899310,3rtkit-daemon0-21swapper/121:38:380
125899310,3rtkit-daemon0-21swapper/120:40:320
125899310,3rtkit-daemon0-21swapper/020:11:061
300141099309,10cyclictest141rcu_preempt22:26:521
3001410993011,6cyclictest26-21ksoftirqd/100:07:161
300141099300,6cyclictest0-21swapper/120:25:251
125899300,3rtkit-daemon1257-21rtkit-daemon20:31:371
125899300,3rtkit-daemon0-21swapper/123:43:240
125899300,3rtkit-daemon0-21swapper/123:23:400
125899300,3rtkit-daemon0-21swapper/121:26:010
125899300,3rtkit-daemon0-21swapper/020:46:301
300141099296,10cyclictest26-21ksoftirqd/121:41:421
3001410992913,4cyclictest26-21ksoftirqd/122:10:451
3001410992911,4cyclictest26-21ksoftirqd/119:45:461
3001410992910,4cyclictest26-21ksoftirqd/119:57:311
3001410992910,3cyclictest26-21ksoftirqd/120:55:531
300141099290,6cyclictest0-21swapper/123:09:421
125899290,3rtkit-daemon1257-21rtkit-daemon20:07:071
300141099287,10cyclictest26-21ksoftirqd/121:20:091
300141099284,10cyclictest26-21ksoftirqd/119:28:021
3001410992813,4cyclictest26-21ksoftirqd/100:29:391
300141099280,8cyclictest3012964-21timerandwakeup19:35:261
125899280,1rtkit-daemon1257-21rtkit-daemon20:40:131
300141099277,3cyclictest26-21ksoftirqd/121:05:181
300141099273,10cyclictest26-21ksoftirqd/119:21:221
3001410992712,2cyclictest141rcu_preempt20:00:111
3001406992713,9cyclictest3168915-21apt-get23:55:160
125899270,3rtkit-daemon1257-21rtkit-daemon20:04:120
125899270,11rtkit-daemon3188177-21ssh00:21:250
300141099261,7cyclictest0-21swapper/120:20:151
3001406992616,6cyclictest13-21ksoftirqd/022:10:030
3001406992613,8cyclictest3066803-1kworker/u9:022:00:140
125899260,3rtkit-daemon0-21swapper/121:46:450
125899260,3rtkit-daemon0-21swapper/120:17:180
125899260,1rtkit-daemon1257-21rtkit-daemon20:55:370
300141099251,9cyclictest26-21ksoftirqd/119:30:061
300140699250,5cyclictest0-21swapper/020:53:560
125899250,20rtkit-daemon3001396-21cyclictest22:27:430
125899250,1rtkit-daemon1257-21rtkit-daemon23:06:030
300140699242,15cyclictest3182685-40apt-check00:15:160
300140699238,10cyclictest3001544-21apt-get19:10:150
300140699232,14cyclictest3015810-21apt-get19:45:140
300140699223,6cyclictest3029503-21apt-get20:20:130
300140699223,13cyclictest3031455-21apt-get20:25:160
3001406992217,3cyclictest3053109-21sh21:15:010
125899220,13rtkit-daemon0-21swapper/023:53:570
300140699217,3cyclictest141rcu_preempt22:50:170
300140699212,14cyclictest3033405-21apt-get20:30:150
300140699210,4cyclictest3100893-21sendmail22:20:000
3001406992012,6cyclictest3025107-21seq20:07:150
300140699201,13cyclictest3176108-21apt-get00:05:180
3001406992010,7cyclictest3078921-21df21:50:150
300140699200,8cyclictest3082446-21apt-config21:55:030
300140699200,7cyclictest3027314-21cron20:15:000
300140699200,4cyclictest0-21swapper/021:44:520
125899200,3rtkit-daemon0-21swapper/021:17:020
125899200,13rtkit-daemon0-21swapper/019:27:510
300140699192,13cyclictest3009942-21apt-get19:30:140
3001406991911,6cyclictest672-21dbus-daemon19:55:230
300140699183,9cyclictest3126281-21apt-get22:55:170
3001406991810,6cyclictest3039472-21df20:45:160
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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