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2025-02-11 - 00:05
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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 792 highest latencies:
System rackcslot2.osadl.org (updated Mon Feb 10, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2458526956,8sleep10-21swapper/107:06:431
2452626654,8sleep00-21swapper/007:06:060
156042630,0sleep00-21swapper/011:32:350
24974994310,32cyclictest0-21swapper/112:01:041
24974994310,18cyclictest0-21swapper/111:34:061
24974994110,31cyclictest0-21swapper/110:47:391
24974994110,30cyclictest6613-21diskmemload09:36:421
24974994110,30cyclictest0-21swapper/111:53:251
24974994110,30cyclictest0-21swapper/111:29:531
24974994011,28cyclictest25246-21ssh09:33:271
24974994010,5cyclictest0-21swapper/110:59:561
24974994010,30cyclictest0-21swapper/111:19:081
24974994010,29cyclictest0-21swapper/111:08:511
24974994010,29cyclictest0-21swapper/108:09:161
24974994010,17cyclictest0-21swapper/112:24:041
24974993911,27cyclictest0-21swapper/112:18:391
24974993910,8cyclictest0-21swapper/110:57:141
24974993910,29cyclictest0-21swapper/111:42:021
24974993910,29cyclictest0-21swapper/109:56:191
24974993910,29cyclictest0-21swapper/109:14:111
24974993910,28cyclictest21935-21ssh10:12:411
24974993910,28cyclictest0-21swapper/109:09:081
24974993910,27cyclictest0-21swapper/109:39:581
24974993910,27cyclictest0-21swapper/109:03:371
24974993910,26cyclictest0-21swapper/112:36:481
24974993819,18cyclictest0-21swapper/112:23:101
24974993816,21cyclictest0-21swapper/109:20:051
24974993813,24cyclictest0-21swapper/110:16:531
24974993810,28cyclictest0-21swapper/112:06:021
24974993810,27cyclictest0-21swapper/111:08:591
24974993810,27cyclictest0-21swapper/110:24:521
24974993810,27cyclictest0-21swapper/109:47:141
24974993712,24cyclictest0-21swapper/110:20:121
24974993710,3cyclictest0-21swapper/111:55:301
24974993710,27cyclictest0-21swapper/112:11:551
24974993710,27cyclictest0-21swapper/111:14:301
24974993710,26cyclictest0-21swapper/111:47:071
24974993710,26cyclictest0-21swapper/110:51:231
24974993610,5cyclictest0-21swapper/110:35:081
24974993610,25cyclictest0-21swapper/111:27:041
24974993510,24cyclictest0-21swapper/108:02:251
24974993510,22cyclictest0-21swapper/108:49:191
24974993410,24cyclictest0-21swapper/107:49:181
24974993410,23cyclictest0-21swapper/110:30:101
24974993410,23cyclictest0-21swapper/108:39:091
24974993410,23cyclictest0-21swapper/108:26:251
24974993410,21cyclictest0-21swapper/108:29:111
24974993410,20cyclictest0-21swapper/107:14:061
24974993310,23cyclictest0-21swapper/107:46:251
24974993310,22cyclictest0-21swapper/107:33:551
24974993310,20cyclictest0-21swapper/109:51:201
2497499321,30cyclictest14692-21grep08:04:111
24974993212,18cyclictest0-21swapper/109:26:291
24974993210,5cyclictest0-21swapper/107:27:491
24974993210,22cyclictest0-21swapper/108:18:021
24974993210,22cyclictest0-21swapper/107:30:001
24974993210,21cyclictest0-21swapper/112:29:531
24974993131,0cyclictest0-21swapper/108:22:221
24974993110,3cyclictest0-21swapper/110:39:121
24974993110,21cyclictest0-21swapper/108:55:311
24974993110,20cyclictest0-21swapper/108:47:371
24974993110,16cyclictest0-21swapper/109:05:001
24973993130,1cyclictest0-21swapper/011:52:510
24974993019,10cyclictest0-21swapper/107:54:101
24974993015,15cyclictest0-21swapper/108:37:021
24973993010,2cyclictest0-21swapper/009:25:560
24974992910,19cyclictest0-21swapper/110:04:561
24974992910,17cyclictest0-21swapper/110:02:371
2497399295,3cyclictest20983-21taskset12:24:280
24973992929,0cyclictest0-21swapper/008:55:140
2497499272,24cyclictest0-21swapper/107:19:051
24973992626,0cyclictest0-21swapper/012:19:240
24973992622,1cyclictest0-21swapper/010:19:110
2497399260,21cyclictest11467-21ssh11:27:140
24974992510,2cyclictest91rcu_preempt07:13:141
24973992517,2cyclictest24971-21cyclictest11:06:540
24973992510,0cyclictest0-21swapper/007:43:430
2497399245,18cyclictest0-21swapper/010:56:310
24973992410,9cyclictest0-21swapper/010:14:370
2497399233,10cyclictest0-21swapper/011:54:060
24973992316,5cyclictest2463-21apache207:51:000
24973992316,2cyclictest0-21swapper/011:22:220
24973992314,7cyclictest2463-21apache210:10:470
24973992310,3cyclictest0-21swapper/011:03:350
24973992310,2cyclictest0-21swapper/010:31:090
24973992218,2cyclictest10816-21ssh12:09:500
24973992215,5cyclictest2463-21apache212:29:000
24973992210,4cyclictest0-21swapper/012:35:550
2497399215,7cyclictest0-21swapper/008:04:080
24973992119,1cyclictest7-21ksoftirqd/009:38:540
24973992114,5cyclictest2463-21apache209:50:330
24973992110,1cyclictest0-21swapper/010:36:120
2497399210,20cyclictest0-21swapper/011:09:380
2497399206,6cyclictest0-21swapper/007:14:060
2497399205,8cyclictest0-21swapper/008:29:090
24973992020,0cyclictest0-21swapper/009:30:400
24973992017,3cyclictest2463-21apache210:49:530
24973992017,2cyclictest5870-21sensors_temp09:04:130
24973992011,5cyclictest2463-21apache211:38:440
24973992010,5cyclictest0-21swapper/008:49:110
24973992010,4cyclictest0-21swapper/011:41:520
24973992010,3cyclictest0-21swapper/009:09:250
24973992010,3cyclictest0-21swapper/008:44:070
24973992010,2cyclictest0-21swapper/010:48:190
24974991910,7cyclictest0-21swapper/107:39:071
24973991917,0cyclictest97850irq/107-eth1-rx09:55:410
24973991914,4cyclictest24971-21cyclictest11:45:560
24973991910,5cyclictest0-21swapper/010:24:140
24973991910,4cyclictest0-21swapper/009:38:540
24973991910,3cyclictest0-21swapper/010:00:420
2497399183,8cyclictest0-21swapper/011:59:070
2497399183,6cyclictest0-21swapper/007:33:540
2497399181,9cyclictest0-21swapper/008:19:060
24973991818,0cyclictest0-21swapper/007:59:350
24973991815,1cyclictest0-21swapper/010:06:010
24973991810,3cyclictest0-21swapper/011:14:130
24973991810,1cyclictest0-21swapper/010:39:100
24973991810,1cyclictest0-21swapper/009:15:060
2497399180,18cyclictest2470-21kworker/0:212:15:580
173921810,0sleep00-21swapper/009:44:050
2497399174,6cyclictest19017-21ls08:14:150
24973991711,3cyclictest7-21ksoftirqd/008:59:260
24973991710,4cyclictest0-21swapper/007:43:540
24973991710,2cyclictest0-21swapper/007:22:430
24973991710,1cyclictest0-21swapper/008:13:530
24973991710,0cyclictest0-21swapper/008:34:100
2497399170,13cyclictest0-21swapper/012:07:330
2497399170,0cyclictest18710-21ssh09:23:270
178521710,1sleep00-21swapper/007:30:500
2497399163,7cyclictest0-21swapper/008:39:060
24973991614,1cyclictest24971-21cyclictest07:27:110
24973991610,3cyclictest0-21swapper/007:54:140
24973991510,2cyclictest0-21swapper/008:26:560
24973991410,1cyclictest0-21swapper/007:09:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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