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2026-09-24 - 19:03
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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 Thu Sep 24, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75192720,1sleep1221rcuc/110:20:201
669827034,31sleep00-21swapper/007:05:070
677326953,8sleep10-21swapper/107:05:571
193252670,0sleep10-21swapper/111:23:401
7139993636,0cyclictest0-21swapper/110:05:211
7138993027,2cyclictest31553-21ssh10:55:110
7139992910,14cyclictest0-21swapper/109:48:051
7138992823,5cyclictest17022-21apache210:47:020
7138992721,5cyclictest17022-21apache212:21:570
7138992710,8cyclictest0-21swapper/011:54:170
7138992710,8cyclictest0-21swapper/009:35:210
7139992524,1cyclictest0-21swapper/109:52:571
7139992517,5cyclictest16996-21apache211:34:561
7138992510,3cyclictest0-21swapper/011:28:110
7139992419,4cyclictest0-21swapper/109:12:571
7139992415,5cyclictest7136-21cyclictest11:00:151
7139992410,3cyclictest0-21swapper/110:56:431
7138992424,0cyclictest17022-21apache211:43:040
713899240,3cyclictest0-21swapper/010:01:210
713999239,4cyclictest325462sleep109:23:051
7139992317,4cyclictest0-21swapper/110:48:511
7139992310,7cyclictest0-21swapper/108:02:581
7139992310,6cyclictest16996-21apache211:12:591
7139992310,2cyclictest0-21swapper/111:49:151
7138992313,3cyclictest0-21swapper/010:15:180
7138992311,4cyclictest0-21swapper/009:11:080
713899230,8cyclictest0-21swapper/009:53:470
713999225,14cyclictest0-21swapper/107:47:591
7139992216,4cyclictest16996-21apache209:37:251
713999221,18cyclictest0-21swapper/112:22:381
7139992210,8cyclictest0-21swapper/112:14:591
713999220,0cyclictest0-21swapper/112:08:001
7138992222,0cyclictest0-21swapper/010:26:210
713899222,1cyclictest0-21swapper/012:12:110
7138992217,3cyclictest0-21swapper/011:09:090
7138992216,3cyclictest7-21ksoftirqd/009:27:560
7138992210,9cyclictest0-21swapper/008:03:060
7138992210,5cyclictest0-21swapper/008:48:020
7138992210,4cyclictest0-21swapper/012:33:070
7138992210,3cyclictest0-21swapper/010:42:490
713999216,8cyclictest6037-21/usr/sbin/munin08:28:021
713999216,5cyclictest0-21swapper/111:08:051
713999215,3cyclictest5624-21/usr/sbin/munin11:52:591
7139992120,1cyclictest17022-21apache212:36:281
7139992119,1cyclictest0-21swapper/108:53:091
7139992112,6cyclictest0-21swapper/108:18:011
713999211,16cyclictest0-21swapper/111:03:201
713999211,15cyclictest0-21swapper/112:23:071
7139992110,8cyclictest0-21swapper/107:38:071
7139992110,7cyclictest0-21swapper/111:57:581
7139992110,6cyclictest0-21swapper/110:23:481
7139992110,6cyclictest0-21swapper/107:58:081
7139992110,4cyclictest0-21swapper/109:18:021
7139992110,4cyclictest0-21swapper/109:07:501
7138992117,3cyclictest17022-21apache209:48:310
7138992114,4cyclictest17022-21apache210:09:500
7138992112,7cyclictest0-21swapper/011:37:160
7138992110,11cyclictest0-21swapper/007:46:110
713899210,4cyclictest0-21swapper/009:45:310
713899210,20cyclictest0-21swapper/008:45:360
529122110,0sleep00-21swapper/011:52:330
713999206,7cyclictest0-21swapper/111:38:041
713999206,6cyclictest0-21swapper/107:13:011
713999204,7cyclictest14292-21awk09:43:061
713999201,6cyclictest0-21swapper/111:28:141
7139992015,4cyclictest0-21swapper/112:05:181
7139992012,6cyclictest17022-21apache207:44:381
713999201,18cyclictest0-21swapper/110:45:191
7139992010,7cyclictest0-21swapper/109:58:011
7139992010,6cyclictest0-21swapper/111:17:591
7139992010,5cyclictest0-21swapper/110:38:521
7139992010,4cyclictest0-21swapper/112:31:201
7139992010,4cyclictest0-21swapper/110:28:091
7139992010,1cyclictest0-21swapper/108:52:491
713899205,6cyclictest0-21swapper/008:28:010
7138992019,0cyclictest0-21swapper/012:14:370
7138992011,2cyclictest0-21swapper/010:18:040
7138992010,5cyclictest0-21swapper/011:23:010
7138992010,4cyclictest0-21swapper/012:27:570
7138992010,4cyclictest0-21swapper/007:58:020
7138992010,3cyclictest0-21swapper/012:22:590
7138992010,3cyclictest0-21swapper/011:19:190
7138992010,3cyclictest0-21swapper/010:03:020
7138992010,2cyclictest0-21swapper/009:17:540
713999196,9cyclictest0-21swapper/107:28:001
713999193,7cyclictest0-21swapper/107:18:011
713999191,7cyclictest31783-21/usr/sbin/munin11:43:021
7139991910,5cyclictest0-21swapper/109:03:021
7139991910,4cyclictest0-21swapper/110:08:061
7139991910,4cyclictest0-21swapper/108:33:001
7139991910,4cyclictest0-21swapper/107:34:331
7139991910,2cyclictest0-21swapper/108:38:021
713899199,7cyclictest100150irq/106-eth1-rx12:00:130
713899195,6cyclictest21054-21diskmemload09:13:000
713899195,11cyclictest0-21swapper/007:23:050
7138991919,0cyclictest16996-21apache208:27:240
7138991915,4cyclictest802-21apache208:36:150
7138991910,5cyclictest0-21swapper/011:06:520
7138991910,2cyclictest0-21swapper/009:03:040
713899190,3cyclictest0-21swapper/011:41:380
1203321910,0sleep10-21swapper/109:39:321
713999182,6cyclictest21054-21diskmemload09:29:411
7139991810,6cyclictest0-21swapper/107:08:031
7139991810,4cyclictest0-21swapper/107:23:061
7139991810,3cyclictest0-21swapper/110:14:101
7138991815,2cyclictest81ktimersoftd/012:07:180
7138991815,2cyclictest16996-21apache209:24:340
7138991813,3cyclictest802-21apache209:40:560
7138991811,6cyclictest0-21swapper/010:52:450
713899181,10cyclictest0-21swapper/008:58:020
7138991810,5cyclictest10284-21ls08:38:020
7138991810,4cyclictest0-21swapper/010:29:510
7138991810,3cyclictest0-21swapper/008:18:070
713899180,2cyclictest0-21swapper/011:17:150
1037421810,0sleep00-21swapper/007:13:170
713999179,6cyclictest319-21rpcbind08:58:271
713999173,7cyclictest0-21swapper/108:08:011
7139991710,4cyclictest0-21swapper/110:33:001
7139991710,3cyclictest0-21swapper/108:42:591
7139991710,2cyclictest0-21swapper/107:55:371
713899173,8cyclictest0-21swapper/007:28:080
713899172,6cyclictest0-21swapper/007:33:000
7138991710,4cyclictest0-21swapper/008:13:040
7138991710,4cyclictest0-21swapper/007:53:010
7138991710,4cyclictest0-21swapper/007:48:020
7138991710,2cyclictest0-21swapper/010:58:040
713999166,6cyclictest32435-21apache_accesses08:12:591
713999162,6cyclictest0-21swapper/108:23:001
713899165,5cyclictest0-21swapper/008:53:080
713899162,9cyclictest0-21swapper/007:18:090
7138991610,5cyclictest0-21swapper/010:34:500
7138991610,3cyclictest0-21swapper/007:08:020
7138991610,1cyclictest0-21swapper/007:38:020
713899153,7cyclictest0-21swapper/008:08:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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