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2025-12-03 - 21:01
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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 Dec 03, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136162800,3sleep1413299cyclictest11:47:551
386427054,8sleep00-21swapper/007:05:470
363726956,8sleep10-21swapper/107:03:251
4132993210,21cyclictest0-21swapper/109:23:071
4131993013,14cyclictest97850irq/107-eth1-rx09:31:430
413199300,29cyclictest0-21swapper/010:34:030
413199290,28cyclictest0-21swapper/008:49:470
4132992810,4cyclictest0-21swapper/109:50:321
413199281,26cyclictest0-21swapper/012:32:500
413199280,1cyclictest0-21swapper/009:16:390
413199273,6cyclictest7782-21/usr/sbin/munin10:16:540
413199271,25cyclictest0-21swapper/011:27:010
4131992710,16cyclictest0-21swapper/012:28:350
4131992710,16cyclictest0-21swapper/012:04:090
4132992626,0cyclictest0-21swapper/110:04:411
4132992610,2cyclictest0-21swapper/110:52:241
413299260,5cyclictest0-21swapper/110:20:331
4131992610,15cyclictest0-21swapper/009:18:530
413199260,1cyclictest0-21swapper/012:24:080
4132992517,6cyclictest24-21ksoftirqd/112:26:191
4132992510,2cyclictest0-21swapper/111:05:431
413299250,1cyclictest0-21swapper/110:33:131
413199254,5cyclictest0-21swapper/012:12:400
4131992525,0cyclictest0-21swapper/011:14:390
4131992510,7cyclictest0-21swapper/009:42:510
4132992417,3cyclictest0-21swapper/111:25:071
4131992422,1cyclictest13973-21apache209:50:510
413199241,22cyclictest0-21swapper/009:22:380
4131992410,4cyclictest0-21swapper/010:03:480
413199240,1cyclictest0-21swapper/011:43:000
413199240,0cyclictest0-21swapper/010:10:040
413299234,10cyclictest18011-21diskmemload11:41:571
4132992320,3cyclictest13960-21apache211:32:311
4132992319,3cyclictest13960-21apache209:52:581
4132992318,1cyclictest0-21swapper/107:34:571
4132992310,5cyclictest0-21swapper/107:41:531
4132992310,3cyclictest0-21swapper/110:44:561
413299230,7cyclictest0-21swapper/112:17:041
4131992323,0cyclictest0-21swapper/010:24:360
413199232,16cyclictest0-21swapper/010:13:400
4131992316,7cyclictest13973-21apache208:07:130
4131992310,5cyclictest0-21swapper/011:57:390
413199230,1cyclictest133522sleep011:47:220
4132992215,4cyclictest13960-21apache208:05:491
4132992210,2cyclictest0-21swapper/107:16:541
4132992210,1cyclictest0-21swapper/112:09:581
413299220,2cyclictest0-21swapper/109:12:151
4131992210,9cyclictest0-21swapper/007:42:360
4131992210,8cyclictest0-21swapper/011:11:070
4131992210,7cyclictest0-21swapper/010:26:570
4131992210,3cyclictest0-21swapper/009:06:500
3062922210,0sleep10-21swapper/110:46:481
61722110,0sleep00-21swapper/010:49:080
413299215,8cyclictest0-21swapper/112:11:531
413299214,7cyclictest0-21swapper/109:36:541
4132992110,5cyclictest0-21swapper/110:13:081
4132992110,5cyclictest0-21swapper/109:06:541
4132992110,5cyclictest0-21swapper/108:36:561
4132992110,3cyclictest0-21swapper/111:56:571
413199214,9cyclictest0-21swapper/008:01:530
413199213,13cyclictest0-21swapper/007:56:580
4131992113,8cyclictest0-21swapper/007:40:490
4131992111,4cyclictest0-21swapper/010:41:510
4131992110,5cyclictest0-21swapper/009:56:410
4131992110,4cyclictest0-21swapper/009:59:410
413199210,2cyclictest0-21swapper/011:40:190
413199210,21cyclictest0-21swapper/011:01:520
413299203,10cyclictest0-21swapper/108:41:551
413299202,4cyclictest0-21swapper/110:30:351
4132992019,1cyclictest0-21swapper/110:38:431
4132992016,3cyclictest0-21swapper/112:05:551
4132992015,4cyclictest13973-21apache209:30:471
413299201,1cyclictest13925-21apache209:16:521
4132992010,4cyclictest0-21swapper/108:26:541
413299200,8cyclictest0-21swapper/109:32:501
413299200,4cyclictest0-21swapper/109:41:591
413299200,0cyclictest0-21swapper/111:54:591
4131992017,2cyclictest817-21apache210:41:120
4131992010,5cyclictest0-21swapper/011:51:580
4131992010,2cyclictest0-21swapper/012:10:050
413199200,1cyclictest0-21swapper/009:39:560
413199200,16cyclictest0-21swapper/009:26:420
413299198,4cyclictest2241-21seq08:23:021
413299196,4cyclictest636-21nscd12:31:591
4132991913,4cyclictest13973-21apache209:59:051
4132991913,3cyclictest0-21swapper/111:16:591
4132991912,2cyclictest0-21swapper/107:58:041
4132991910,2cyclictest0-21swapper/108:17:041
413299190,8cyclictest0-21swapper/110:09:301
413199192,8cyclictest0-21swapper/007:51:530
4131991917,1cyclictest0-21swapper/007:11:550
4131991910,6cyclictest0-21swapper/011:20:470
4131991910,4cyclictest0-21swapper/012:17:000
4131991910,4cyclictest0-21swapper/008:28:420
4131991910,4cyclictest0-21swapper/007:23:120
4131991910,2cyclictest0-21swapper/008:16:550
4131991910,0cyclictest0-21swapper/011:26:020
413299189,5cyclictest10695-21idleruntime12:26:551
413299185,6cyclictest0-21swapper/108:51:541
413299183,6cyclictest0-21swapper/108:06:541
413299182,6cyclictest0-21swapper/108:11:571
413299181,10cyclictest0-21swapper/108:46:571
4132991810,4cyclictest14420-21ssh11:06:571
4132991810,4cyclictest0-21swapper/107:27:011
4132991810,4cyclictest0-21swapper/107:21:551
4132991810,3cyclictest0-21swapper/111:36:431
4132991810,3cyclictest0-21swapper/107:36:541
4132991810,2cyclictest0-21swapper/107:11:541
4132991810,1cyclictest0-21swapper/110:56:431
4132991810,1cyclictest0-21swapper/108:57:351
413199186,3cyclictest0-21swapper/008:31:570
413199184,6cyclictest0-21swapper/007:32:040
413199184,11cyclictest0-21swapper/011:31:560
4131991810,5cyclictest0-21swapper/009:01:040
4131991810,5cyclictest0-21swapper/007:46:520
4131991810,4cyclictest0-21swapper/010:56:460
4131991810,4cyclictest0-21swapper/010:51:520
4131991810,4cyclictest0-21swapper/008:41:410
4131991810,4cyclictest0-21swapper/008:22:020
3101121810,0sleep00-21swapper/008:15:240
4132991717,0cyclictest0-21swapper/108:31:571
4132991712,2cyclictest0-21swapper/107:06:541
4132991710,5cyclictest0-21swapper/111:12:231
4132991710,4cyclictest30365-21munin-node09:01:431
4132991710,3cyclictest0-21swapper/110:22:331
413299165,5cyclictest18011-21diskmemload11:27:331
4131991610,2cyclictest0-21swapper/009:01:520
4131991610,2cyclictest0-21swapper/007:26:540
4131991610,1cyclictest0-21swapper/008:41:530
4131991610,0cyclictest0-21swapper/007:08:260
413299153,9cyclictest0-21swapper/107:46:561
413199155,7cyclictest0-21swapper/007:17:020
413199152,8cyclictest0-21swapper/008:52:080
4132991410,2cyclictest0-21swapper/107:51:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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