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2026-06-12 - 20:44
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Fri Jun 12, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207542780,1sleep020747-21fschecks_time09:48:580
276982700,1sleep10-21swapper/109:14:171
791226854,9sleep10-21swapper/107:08:241
759326851,8sleep00-21swapper/007:05:050
305202680,2sleep1812599cyclictest10:44:501
262842660,0sleep10-21swapper/109:56:061
8125993110,20cyclictest0-21swapper/110:54:471
812599302,23cyclictest0-21swapper/111:15:171
8125993010,14cyclictest0-21swapper/110:37:201
812499300,6cyclictest0-21swapper/009:13:550
794523027,1sleep00-21swapper/007:08:430
8124992929,0cyclictest0-21swapper/009:22:470
812599282,25cyclictest0-21swapper/109:25:151
812599281,21cyclictest0-21swapper/109:41:491
812599280,3cyclictest4954-21chrt10:10:361
8125992621,3cyclictest18030-21apache211:22:001
812599261,24cyclictest0-21swapper/110:13:531
812599260,3cyclictest30786-21ssh10:02:311
8124992624,1cyclictest6178-21ssh10:13:190
8124992610,0cyclictest0-21swapper/011:31:080
812499260,23cyclictest0-21swapper/012:35:280
8125992525,0cyclictest0-21swapper/112:04:291
8125992518,5cyclictest18004-21apache211:28:521
8125992510,9cyclictest0-21swapper/112:33:121
812599250,24cyclictest0-21swapper/111:37:291
8124992522,1cyclictest18004-21apache211:43:220
812499241,2cyclictest17039-21ssh10:27:400
812499240,20cyclictest0-21swapper/011:23:040
8125992323,0cyclictest0-21swapper/111:53:421
8125992320,2cyclictest10767-21cstates08:38:551
8125992320,1cyclictest231ktimersoftd/107:45:391
8125992315,7cyclictest0-21swapper/110:07:531
8125992310,10cyclictest0-21swapper/109:31:111
812599230,1cyclictest10644-21rm10:18:531
8124992320,2cyclictest18030-21apache212:04:220
812499230,1cyclictest0-21swapper/012:10:210
1679822310,1sleep00-21swapper/011:09:560
8125992220,1cyclictest18030-21apache210:31:151
8125992212,5cyclictest100250irq/107-eth1-rx09:50:061
8125992210,6cyclictest0-21swapper/111:05:581
8125992210,6cyclictest0-21swapper/108:03:551
812499223,14cyclictest0-21swapper/008:39:000
8124992217,4cyclictest0-21swapper/011:03:510
8124992210,9cyclictest0-21swapper/009:10:020
812599214,10cyclictest0-21swapper/107:38:561
8125992116,3cyclictest1199-21runrttasks08:32:431
8125992110,9cyclictest0-21swapper/109:34:431
8125992110,2cyclictest0-21swapper/109:04:031
8125992110,10cyclictest0-21swapper/112:18:561
812499215,9cyclictest0-21swapper/010:48:530
8124992121,0cyclictest0-21swapper/009:03:350
812499211,7cyclictest0-21swapper/012:23:540
8124992114,5cyclictest18030-21apache210:47:360
8124992112,5cyclictest0-21swapper/008:48:570
8124992110,3cyclictest0-21swapper/009:58:540
8124992110,10cyclictest0-21swapper/009:39:070
812499210,16cyclictest0-21swapper/010:29:440
812599204,7cyclictest15766-21anacron07:28:431
812599203,11cyclictest0-21swapper/108:43:551
8125992018,1cyclictest18030-21apache209:45:581
8125992015,2cyclictest7659-21sh11:41:501
8125992013,5cyclictest100250irq/107-eth1-rx10:51:221
8125992010,5cyclictest0-21swapper/112:23:541
812599200,1cyclictest0-21swapper/108:55:521
8124992016,1cyclictest8122-21cyclictest11:18:430
8124992016,1cyclictest100350irq/108-eth1-tx10:36:430
8124992013,7cyclictest18030-21apache209:38:060
8124992013,1cyclictest0-21swapper/011:24:260
8124992011,7cyclictest18030-21apache209:33:310
8124992011,2cyclictest0-21swapper/008:48:410
8124992010,7cyclictest0-21swapper/010:22:220
8124992010,7cyclictest0-21swapper/009:55:130
8124992010,6cyclictest0-21swapper/012:18:530
8124992010,6cyclictest0-21swapper/011:47:270
8124992010,4cyclictest0-21swapper/008:33:540
8124992010,3cyclictest0-21swapper/007:53:530
812499200,1cyclictest0-21swapper/011:55:120
812599194,10cyclictest0-21swapper/108:33:541
812599193,13cyclictest0-21swapper/110:59:051
8125991913,2cyclictest231ktimersoftd/112:11:181
8125991912,4cyclictest0-21swapper/112:34:041
8125991910,8cyclictest0-21swapper/111:26:241
8125991910,6cyclictest0-21swapper/111:10:151
8125991910,3cyclictest0-21swapper/108:49:001
8125991910,2cyclictest0-21swapper/110:28:421
8124991915,2cyclictest14009-21apache207:18:250
8124991913,5cyclictest6579-21apache_accesses10:13:530
8124991910,5cyclictest0-21swapper/011:50:570
8124991910,5cyclictest0-21swapper/011:33:550
8124991910,3cyclictest0-21swapper/009:48:230
2715721910,0sleep00-21swapper/010:40:210
812599185,11cyclictest0-21swapper/108:23:531
812599184,9cyclictest0-21swapper/111:43:551
812599184,7cyclictest0-21swapper/108:19:021
8125991810,5cyclictest0-21swapper/109:08:531
8125991810,2cyclictest0-21swapper/109:19:291
8125991810,2cyclictest0-21swapper/107:48:561
8125991810,0cyclictest0-21swapper/111:54:121
8124991810,5cyclictest0-21swapper/007:34:020
8124991810,4cyclictest0-21swapper/012:17:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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