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2025-06-16 - 15:11
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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 Mon Jun 16, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
648627247,21sleep00-21swapper/019:05:390
638027247,21sleep10-21swapper/119:04:341
6887993518,17cyclictest1409-21kworker/1:120:43:521
6886993318,15cyclictest0-21swapper/021:44:460
688799313,26cyclictest0-21swapper/123:41:591
6886993030,0cyclictest0-21swapper/000:08:590
6887992927,1cyclictest0-21swapper/122:36:131
6887992919,9cyclictest1409-21kworker/1:121:12:361
6887992910,19cyclictest0-21swapper/120:11:491
688799270,1cyclictest0-21swapper/122:47:031
6886992710,3cyclictest0-21swapper/000:13:370
688699270,24cyclictest0-21swapper/021:55:580
6887992614,10cyclictest0-21swapper/123:51:091
6886992610,1cyclictest0-21swapper/022:58:570
688799258,16cyclictest0-21swapper/100:18:581
6887992522,3cyclictest0-21swapper/123:23:371
6887992517,6cyclictest21465-21apache222:22:281
6887992517,5cyclictest21482-21apache222:55:391
688699257,9cyclictest20960-21/usr/sbin/munin21:08:140
6886992521,3cyclictest29271-21unixbench_multi20:03:200
6886992510,15cyclictest0-21swapper/023:11:120
6886992510,14cyclictest0-21swapper/023:20:480
6887992410,5cyclictest0-21swapper/123:32:591
688699243,18cyclictest0-21swapper/023:37:460
6886992421,2cyclictest21482-21apache222:25:490
688699240,7cyclictest0-21swapper/022:52:510
6887992320,2cyclictest231ktimersoftd/121:20:381
6887992319,3cyclictest0-21swapper/121:42:281
6887992319,2cyclictest24-21ksoftirqd/121:33:121
6887992311,10cyclictest0-21swapper/121:23:211
6887992310,7cyclictest0-21swapper/122:59:501
688799230,2cyclictest0-21swapper/122:29:251
6886992310,13cyclictest0-21swapper/021:42:260
688699230,22cyclictest0-21swapper/022:40:070
1215322310,0sleep10-21swapper/123:03:541
688799224,12cyclictest0-21swapper/120:58:191
6887992222,0cyclictest0-21swapper/100:02:331
6887992217,4cyclictest97950irq/108-eth1-tx19:12:251
6887992216,4cyclictest21482-21apache221:52:121
6887992212,5cyclictest0-21swapper/119:32:591
688799221,0cyclictest23988-21ls21:53:181
6887992210,9cyclictest0-21swapper/100:15:231
6887992210,8cyclictest0-21swapper/100:33:251
6886992222,0cyclictest0-21swapper/022:14:140
6886992218,4cyclictest21482-21apache200:00:190
6886992216,4cyclictest21465-21apache200:07:200
6886992215,6cyclictest97850irq/107-eth1-rx00:18:190
6886992210,1cyclictest0-21swapper/021:59:230
688699220,9cyclictest0-21swapper/021:13:100
688699220,22cyclictest0-21swapper/022:37:390
688699220,19cyclictest0-21swapper/022:55:490
6887992119,1cyclictest6884-21cyclictest21:15:551
6887992117,3cyclictest0-21swapper/119:33:191
6887992112,6cyclictest0-21swapper/100:03:171
6887992110,5cyclictest0-21swapper/122:13:131
688799210,2cyclictest0-21swapper/122:10:421
688699215,15cyclictest0-21swapper/023:53:180
688699213,13cyclictest0-21swapper/023:14:500
6886992120,1cyclictest0-21swapper/019:50:210
6886992110,7cyclictest0-21swapper/000:24:260
6886992110,6cyclictest0-21swapper/019:58:110
6886992110,5cyclictest0-21swapper/021:28:110
6886992110,3cyclictest28894-21sh21:18:110
6886992110,3cyclictest0-21swapper/022:08:100
688699210,19cyclictest0-21swapper/022:31:540
1555022110,0sleep10-21swapper/123:53:141
688799209,5cyclictest636-21nscd21:58:561
688799204,13cyclictest0-21swapper/100:28:141
6887992018,1cyclictest21465-21apache220:18:161
6887992016,3cyclictest588-21gmain19:20:301
6887992010,7cyclictest0-21swapper/120:55:391
6887992010,5cyclictest0-21swapper/119:48:161
6887992010,4cyclictest0-21swapper/123:16:551
6887992010,4cyclictest0-21swapper/119:25:001
6887992010,3cyclictest0-21swapper/123:18:171
6887992010,3cyclictest0-21swapper/123:08:161
6887992010,1cyclictest0-21swapper/100:26:491
688699205,7cyclictest0-21swapper/021:37:520
6886992010,7cyclictest0-21swapper/023:46:440
6886992010,6cyclictest0-21swapper/023:04:000
6886992010,2cyclictest0-21swapper/019:43:150
6886992010,0cyclictest0-21swapper/020:28:150
688699200,3cyclictest0-21swapper/022:22:480
688699200,13cyclictest10050irq/110-ahci[0020:12:580
241022200,1sleep1221rcuc/122:38:051
688799192,9cyclictest0-21swapper/123:33:261
688799191,2cyclictest0-21swapper/122:48:431
6887991910,7cyclictest0-21swapper/122:25:161
6887991910,4cyclictest0-21swapper/123:44:181
6887991910,4cyclictest0-21swapper/122:04:361
6887991910,4cyclictest0-21swapper/120:25:151
6887991910,3cyclictest0-21swapper/119:13:111
6887991910,2cyclictest0-21swapper/120:07:591
688699194,9cyclictest0-21swapper/019:53:100
6886991910,8cyclictest0-21swapper/023:52:070
6886991910,7cyclictest0-21swapper/023:40:560
6886991910,4cyclictest0-21swapper/019:18:170
6886991910,2cyclictest0-21swapper/023:31:070
688799181,7cyclictest26150-21munin-node19:58:101
6887991810,7cyclictest0-21swapper/120:38:131
6887991810,5cyclictest0-21swapper/100:08:361
6887991810,2cyclictest0-21swapper/121:30:401
6887991810,2cyclictest0-21swapper/119:53:041
688699184,10cyclictest0-21swapper/020:23:170
688699182,7cyclictest0-21swapper/020:53:170
6886991812,4cyclictest21482-21apache221:23:360
688699181,16cyclictest0-21swapper/021:50:570
6886991810,4cyclictest0-21swapper/020:48:170
6886991810,2cyclictest0-21swapper/020:18:100
3159921810,0sleep00-21swapper/022:03:310
1788821810,0sleep00-21swapper/019:34:220
1236921810,0sleep00-21swapper/020:43:450
688799176,9cyclictest0-21swapper/120:13:221
6887991715,1cyclictest15859-21ntpq21:43:161
6887991710,2cyclictest0-21swapper/120:28:101
6887991710,1cyclictest0-21swapper/120:52:071
688699178,7cyclictest0-21swapper/020:38:180
688699172,9cyclictest31894-21apache_accesses20:13:110
6886991715,1cyclictest11558-21ssh00:29:580
6886991710,7cyclictest0-21swapper/019:42:420
6886991710,6cyclictest0-21swapper/019:31:140
6886991710,4cyclictest0-21swapper/021:03:150
6886991710,4cyclictest0-21swapper/020:33:120
6886991710,3cyclictest0-21swapper/023:26:170
6886991710,3cyclictest0-21swapper/019:08:150
1841921710,0sleep10-21swapper/119:38:081
6887991610,4cyclictest0-21swapper/119:43:121
6887991610,2cyclictest0-21swapper/121:07:491
688699169,2cyclictest0-21swapper/000:33:550
688699163,4cyclictest27947-21/usr/sbin/munin22:43:120
6886991610,6cyclictest0-21swapper/019:13:140
6886991610,0cyclictest0-21swapper/019:23:170
6887991510,5cyclictest0-21swapper/120:33:011
6886991510,3cyclictest0-21swapper/020:58:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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