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2026-08-16 - 23:50
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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 Sun Aug 16, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1766427953,22sleep10-21swapper/107:04:521
210142660,1sleep00-21swapper/008:38:230
1793326654,8sleep00-21swapper/007:07:400
18157993410,20cyclictest0-21swapper/010:03:400
18158993332,0cyclictest0-21swapper/109:06:491
18157993333,0cyclictest0-21swapper/011:46:350
18157992929,0cyclictest0-21swapper/009:50:000
18158992810,0cyclictest0-21swapper/112:37:121
1815899280,3cyclictest0-21swapper/109:51:281
18158992610,5cyclictest0-21swapper/107:08:201
18157992626,0cyclictest0-21swapper/007:41:240
18158992521,3cyclictest0-21swapper/111:43:251
18158992520,5cyclictest27969-21apache209:27:301
18158992519,4cyclictest24-21ksoftirqd/111:33:271
1815899250,4cyclictest0-21swapper/111:51:471
1815799252,22cyclictest0-21swapper/011:23:300
18157992510,11cyclictest0-21swapper/007:54:490
1815899244,19cyclictest0-21swapper/111:13:081
1815899243,20cyclictest0-21swapper/111:39:341
1815899241,22cyclictest0-21swapper/111:24:431
18158992411,8cyclictest0-21swapper/107:24:401
18157992424,0cyclictest0-21swapper/011:35:570
18157992424,0cyclictest0-21swapper/011:11:190
18157992421,2cyclictest15717-21apache207:28:080
18157992418,5cyclictest100150irq/106-eth1-rx09:58:210
18157992411,9cyclictest100150irq/106-eth1-rx10:43:240
18157992410,2cyclictest0-21swapper/009:14:530
18157992410,2cyclictest0-21swapper/008:28:200
18157992410,12cyclictest0-21swapper/012:08:290
1815799240,7cyclictest0-21swapper/011:48:250
18158992319,3cyclictest27992-21apache212:04:101
18158992315,6cyclictest27969-21apache208:18:281
18158992311,7cyclictest0-21swapper/108:28:281
18158992310,2cyclictest27992-21apache209:36:271
18158992310,0cyclictest0-21swapper/110:18:201
1815899230,2cyclictest0-21swapper/109:08:211
18158992220,1cyclictest636-21nscd09:14:451
18158992211,10cyclictest802-21apache211:03:001
18158992210,7cyclictest0-21swapper/108:53:351
18158992210,6cyclictest0-21swapper/112:15:521
18158992210,6cyclictest0-21swapper/109:30:411
18157992219,2cyclictest8155-21open_files09:18:260
1815799221,2cyclictest0-21swapper/011:29:290
18157992210,8cyclictest0-21swapper/012:13:330
18157992210,1cyclictest0-21swapper/012:27:340
1815899217,6cyclictest0-21swapper/111:13:221
1815899213,12cyclictest0-21swapper/109:18:231
18158992121,0cyclictest0-21swapper/109:40:381
18158992114,5cyclictest28386-21/usr/sbin/munin08:58:301
18158992112,2cyclictest0-21swapper/110:23:301
18158992111,4cyclictest0-21swapper/110:38:191
18158992110,9cyclictest0-21swapper/111:28:271
18158992110,5cyclictest0-21swapper/108:48:201
18158992110,4cyclictest0-21swapper/112:08:181
18158992110,4cyclictest0-21swapper/111:18:481
18158992110,3cyclictest0-21swapper/110:43:141
1815899210,18cyclictest10137-21ssh10:53:211
18157992110,6cyclictest0-21swapper/011:39:490
18157992110,6cyclictest0-21swapper/009:29:050
1815899203,9cyclictest0-21swapper/110:35:271
18158992019,1cyclictest27992-21apache209:53:561
18158992015,1cyclictest18155-21cyclictest08:39:001
18158992011,5cyclictest0-21swapper/109:58:261
18158992010,9cyclictest0-21swapper/107:18:221
18158992010,8cyclictest0-21swapper/112:18:291
18158992010,8cyclictest0-21swapper/108:13:211
18158992010,6cyclictest0-21swapper/112:02:091
18158992010,6cyclictest0-21swapper/107:58:201
18158992010,5cyclictest0-21swapper/112:24:291
1815799205,14cyclictest0-21swapper/007:33:080
18157992020,0cyclictest0-21swapper/010:13:230
18157992019,1cyclictest27969-21apache210:53:510
18157992015,5cyclictest27992-21apache209:40:520
18157992010,6cyclictest0-21swapper/008:23:200
18157992010,5cyclictest13334-21fschecks_time08:18:250
18157992010,5cyclictest0-21swapper/012:34:580
18157992010,4cyclictest0-21swapper/010:48:520
18157992010,2cyclictest0-21swapper/008:08:220
18157992010,1cyclictest0-21swapper/012:29:290
1815899195,10cyclictest0-21swapper/107:38:191
1815899194,9cyclictest0-21swapper/110:08:221
1815899194,6cyclictest26088-21taskset10:28:391
1815899193,8cyclictest28863-21ntp_states07:33:261
1815899191,9cyclictest0-21swapper/109:43:291
1815899191,8cyclictest7567-21fschecks_time08:03:211
18158991918,0cyclictest0-21swapper/112:29:321
18158991910,7cyclictest0-21swapper/111:57:471
18158991910,3cyclictest0-21swapper/107:53:231
18158991910,1cyclictest0-21swapper/110:16:311
1815899190,19cyclictest0-21swapper/108:11:351
18157991916,2cyclictest18155-21cyclictest12:22:340
18157991915,2cyclictest18155-21cyclictest09:43:240
18157991912,2cyclictest1199-21runrttasks12:07:160
18157991910,6cyclictest0-21swapper/010:42:110
18157991910,4cyclictest0-21swapper/011:58:580
18157991910,4cyclictest0-21swapper/010:18:220
2952321810,0sleep00-21swapper/011:19:450
1815899183,8cyclictest0-21swapper/111:03:291
1815899183,14cyclictest0-21swapper/108:43:221
18158991813,4cyclictest0-21swapper/107:31:151
18158991810,5cyclictest0-21swapper/107:43:251
1815899180,11cyclictest20476-21cron08:38:081
1815799184,12cyclictest0-21swapper/007:18:240
1815799183,5cyclictest29043-21ntp_states10:33:270
1815799182,10cyclictest0-21swapper/007:08:310
18157991816,1cyclictest0-21swapper/008:56:300
18157991810,5cyclictest0-21swapper/010:08:280
18157991810,2cyclictest1598-21cstates07:48:200
18157991810,2cyclictest0-21swapper/008:48:200
18157991810,2cyclictest0-21swapper/007:58:270
18157991810,1cyclictest0-21swapper/010:23:110
18157991810,0cyclictest0-21swapper/010:29:300
1815899172,12cyclictest0-21swapper/110:48:241
18158991710,3cyclictest0-21swapper/110:03:311
1815799179,4cyclictest651-21nscd11:13:130
1815799176,4cyclictest0-21swapper/008:43:210
1815799175,8cyclictest0-21swapper/009:23:200
18157991712,1cyclictest0-21swapper/011:07:590
18157991711,4cyclictest802-21apache209:10:230
1815799171,11cyclictest0-21swapper/007:13:280
18157991710,4cyclictest0-21swapper/009:53:200
18157991710,4cyclictest0-21swapper/009:33:230
18157991710,3cyclictest0-21swapper/009:03:190
18157991710,0cyclictest1199-21runrttasks08:58:240
1815899162,8cyclictest0-21swapper/108:25:491
18158991615,0cyclictest24-21ksoftirqd/107:53:081
18158991610,5cyclictest2592-21kworker/1:207:17:091
18157991615,1cyclictest18155-21cyclictest11:00:410
18157991610,0cyclictest0-21swapper/011:55:540
1815799160,9cyclictest0-21swapper/007:23:220
1815799153,9cyclictest0-21swapper/008:13:310
1815799152,8cyclictest0-21swapper/008:03:230
18157991510,3cyclictest0-21swapper/007:47:420
18157991510,2cyclictest0-21swapper/008:33:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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