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2025-07-02 - 03:51
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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 rackcslot2.osadl.org (updated Wed Jul 02, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1214527439,30sleep00-21swapper/019:07:160
1203627052,7sleep10-21swapper/119:06:091
12382993332,1cyclictest0-21swapper/120:10:271
12382993222,10cyclictest24911-21kworker/1:021:11:581
12382993210,21cyclictest0-21swapper/100:00:411
12382993129,1cyclictest231ktimersoftd/100:08:071
1238299310,30cyclictest0-21swapper/121:17:341
1238299290,1cyclictest0-21swapper/123:44:311
12381992926,2cyclictest18521-21ssh00:36:090
1238299281,26cyclictest8829-21kworker/1:120:49:221
1238299280,24cyclictest0-21swapper/122:43:081
12382992711,15cyclictest0-21swapper/123:02:531
12382992710,1cyclictest0-21swapper/122:22:021
12381992727,0cyclictest0-21swapper/022:12:010
12382992626,0cyclictest0-21swapper/120:35:511
12382992620,5cyclictest15743-21apache223:39:471
12382992615,8cyclictest636-21nscd00:04:521
12381992610,6cyclictest97850irq/107-eth1-rx21:42:320
234892250,1sleep00-21swapper/021:46:540
1238199251,22cyclictest0-21swapper/022:31:480
1238199250,1cyclictest0-21swapper/021:28:220
1238199250,1cyclictest0-21swapper/019:12:500
12382992422,1cyclictest9070-21/usr/sbin/munin21:28:051
12382992421,2cyclictest15716-21apache223:56:161
12382992410,5cyclictest0-21swapper/119:08:061
12382992410,2cyclictest0-21swapper/121:23:101
12381992417,3cyclictest0-21swapper/021:48:570
12381992410,7cyclictest0-21swapper/021:18:370
12381992410,6cyclictest0-21swapper/022:50:090
12382992322,1cyclictest0-21swapper/121:34:131
12382992321,1cyclictest15743-21apache221:49:391
12382992316,6cyclictest15743-21apache223:29:211
1238299230,1cyclictest0-21swapper/121:19:391
12381992312,10cyclictest15743-21apache223:07:230
2559322210,0sleep00-21swapper/000:00:140
1238299226,14cyclictest97850irq/107-eth1-rx22:53:121
12382992219,1cyclictest0-21swapper/100:19:071
12382992216,4cyclictest15743-21apache219:28:501
12382992210,6cyclictest0-21swapper/122:59:191
12382992210,5cyclictest0-21swapper/121:43:331
12382992210,4cyclictest0-21swapper/119:23:051
12382992210,2cyclictest0-21swapper/122:06:281
12382992210,0cyclictest0-21swapper/122:27:011
12381992217,4cyclictest6248-21ssh00:18:490
1238199220,17cyclictest0-21swapper/022:21:180
2855722110,0sleep00-21swapper/000:03:430
12382992116,4cyclictest15743-21apache221:00:241
12382992111,3cyclictest0-21swapper/119:38:091
12382992110,7cyclictest0-21swapper/122:10:471
12382992110,4cyclictest0-21swapper/123:48:041
12382992110,4cyclictest0-21swapper/120:43:111
1238199216,4cyclictest15719-21apache219:58:040
12381992121,0cyclictest0-21swapper/019:46:180
12381992116,2cyclictest32408-21pmu-power21:58:100
12381992116,2cyclictest12379-21cyclictest23:43:050
12381992112,6cyclictest0-21swapper/023:42:450
12381992110,8cyclictest98050irq/109-eth1-tx22:55:090
12381992110,8cyclictest0-21swapper/023:14:310
12381992110,5cyclictest0-21swapper/023:00:200
12381992110,4cyclictest0-21swapper/000:25:230
2040422010,0sleep00-21swapper/023:09:020
2040422010,0sleep00-21swapper/023:09:020
1238299208,9cyclictest0-21swapper/122:48:041
12382992017,1cyclictest0-21swapper/120:32:431
1238299201,3cyclictest22041-21/usr/sbin/munin19:33:111
12382992010,7cyclictest0-21swapper/120:17:181
12382992010,5cyclictest0-21swapper/100:33:041
12382992010,2cyclictest0-21swapper/122:41:511
1238299200,19cyclictest0-21swapper/123:19:241
12381992010,4cyclictest0-21swapper/022:33:570
1238299196,8cyclictest0-21swapper/123:23:101
1238299194,3cyclictest5444-21/usr/sbin/munin23:33:101
1238299191,4cyclictest0-21swapper/121:58:511
12382991910,4cyclictest0-21swapper/120:23:041
12382991910,3cyclictest0-21swapper/123:08:041
12382991910,3cyclictest0-21swapper/123:08:041
12382991910,3cyclictest0-21swapper/121:53:051
1238199198,8cyclictest0-21swapper/019:48:080
1238199195,8cyclictest0-21swapper/019:18:090
1238199194,9cyclictest0-21swapper/023:28:080
1238199193,12cyclictest0-21swapper/020:28:130
12381991917,1cyclictest27401-21ls23:18:110
12381991913,5cyclictest15716-21apache223:54:250
12381991910,6cyclictest0-21swapper/021:13:090
12381991910,5cyclictest0-21swapper/021:33:220
12381991910,0cyclictest0-21swapper/022:26:520
1238299184,7cyclictest0-21swapper/121:38:091
1238299183,14cyclictest0-21swapper/100:13:071
12382991815,1cyclictest231ktimersoftd/122:13:091
12382991812,4cyclictest817-21apache200:23:411
12382991810,5cyclictest0-21swapper/123:16:001
12382991810,3cyclictest0-21swapper/122:33:061
12382991810,3cyclictest0-21swapper/120:53:031
12382991810,2cyclictest0-21swapper/119:13:021
1238199184,9cyclictest0-21swapper/020:53:040
1238199184,6cyclictest29926-21apache_volume23:23:070
1238199183,7cyclictest0-21swapper/000:13:080
1238199183,6cyclictest0-21swapper/023:33:100
12381991815,2cyclictest0-21swapper/019:33:080
12381991812,3cyclictest26023-21diskmemload22:43:110
12381991810,5cyclictest0-21swapper/021:23:270
12381991810,5cyclictest0-21swapper/020:18:070
12381991810,4cyclictest0-21swapper/021:11:530
12381991810,4cyclictest0-21swapper/020:42:570
12381991810,3cyclictest0-21swapper/000:07:560
12381991810,1cyclictest0-21swapper/023:49:180
12381991810,1cyclictest0-21swapper/022:14:560
1964421710,0sleep00-21swapper/019:24:350
1238299171,9cyclictest0-21swapper/100:32:211
1238299171,11cyclictest0-21swapper/119:48:031
12382991710,6cyclictest7714-21awk20:18:081
12382991710,4cyclictest0-21swapper/122:28:441
12382991710,4cyclictest0-21swapper/120:03:041
1238199175,10cyclictest0-21swapper/022:38:130
1238199174,6cyclictest0-21swapper/022:03:020
12381991711,3cyclictest7-21ksoftirqd/019:16:380
12381991710,6cyclictest30766-21rm21:56:310
12381991710,5cyclictest0-21swapper/020:48:010
12381991710,4cyclictest0-21swapper/020:03:040
12381991710,2cyclictest0-21swapper/020:59:210
12381991710,0cyclictest0-21swapper/020:33:130
1238199170,7cyclictest0-21swapper/020:08:040
1621621610,0sleep10-21swapper/120:40:511
1238299163,9cyclictest0-21swapper/119:43:111
1238299163,7cyclictest29932-21diskstats19:53:051
1238299162,7cyclictest0-21swapper/119:18:051
12382991610,2cyclictest0-21swapper/121:03:051
1238199164,2cyclictest29709-21/usr/sbin/munin19:53:050
12381991610,3cyclictest0-21swapper/019:30:280
1238199160,4cyclictest0-21swapper/019:38:120
1238199160,11cyclictest10528-21taskset20:27:120
12382991510,4cyclictest0-21swapper/119:58:041
1238199152,7cyclictest0-21swapper/021:03:030
12381991510,2cyclictest0-21swapper/000:28:030
1238199142,2cyclictest14615-21apache_processe20:38:030
12381991412,1cyclictest15743-21apache220:17:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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