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2026-03-30 - 10:00
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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 Mon Mar 30, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184527159,8sleep10-21swapper/119:06:061
178926957,8sleep00-21swapper/019:05:310
7892640,1sleep10-21swapper/121:31:461
2332993210,2cyclictest0-21swapper/121:55:041
2331993110,20cyclictest0-21swapper/023:10:380
2331993022,6cyclictest183442sleep022:40:290
233299290,1cyclictest0-21swapper/122:37:391
2331992810,1cyclictest0-21swapper/000:20:520
2331992725,1cyclictest7-21ksoftirqd/000:04:170
2332992617,6cyclictest10693-21apache223:43:471
2332992611,6cyclictest0-21swapper/100:29:371
2331992619,6cyclictest100250irq/107-eth1-rx23:07:380
2331992611,6cyclictest0-21swapper/023:47:140
2332992524,1cyclictest24-21ksoftirqd/120:14:171
2332992524,1cyclictest0-21swapper/119:39:301
2332992524,0cyclictest0-21swapper/121:16:111
2332992522,3cyclictest0-21swapper/122:20:171
2332992522,2cyclictest5089-21ssh23:53:541
233199257,12cyclictest26979-21kworker/u4:221:19:020
2331992525,0cyclictest0-21swapper/019:18:480
2331992421,2cyclictest81ktimersoftd/019:43:370
2331992416,3cyclictest0-21swapper/022:13:310
233199240,20cyclictest0-21swapper/023:31:280
109972240,1sleep010996-21seq23:15:220
2332992318,3cyclictest802-21apache220:27:471
2332992313,7cyclictest10675-21apache222:13:101
2332992310,0cyclictest0-21swapper/121:20:531
233299230,14cyclictest0-21swapper/121:04:281
233199233,14cyclictest31291-21ssh00:29:550
2331992319,3cyclictest10693-21apache222:55:000
2331992311,6cyclictest0-21swapper/023:01:020
2331992310,5cyclictest0-21swapper/019:59:300
2331992310,4cyclictest100150irq/106-eth1-rx19:34:290
233299222,19cyclictest0-21swapper/121:46:281
2332992218,3cyclictest0-21swapper/122:49:571
2332992210,5cyclictest0-21swapper/123:14:351
233199229,9cyclictest0-21swapper/020:09:390
233199225,9cyclictest0-21swapper/022:29:340
233199225,10cyclictest0-21swapper/020:29:300
2331992221,1cyclictest10675-21apache221:49:240
2331992215,5cyclictest10693-21apache221:56:260
2331992212,5cyclictest100250irq/107-eth1-rx22:34:260
2331992210,5cyclictest0-21swapper/021:35:290
233199220,20cyclictest0-21swapper/022:05:530
233299212,7cyclictest0-21swapper/120:49:281
2332992115,4cyclictest10693-21apache200:36:411
2332992110,7cyclictest0-21swapper/122:55:151
2332992110,5cyclictest0-21swapper/119:09:331
2332992110,4cyclictest0-21swapper/123:29:301
2332992110,0cyclictest0-21swapper/100:04:221
233299210,1cyclictest0-21swapper/122:15:591
233199213,16cyclictest0-21swapper/021:29:320
2331992121,0cyclictest0-21swapper/023:36:060
2331992121,0cyclictest0-21swapper/020:39:210
2331992119,2cyclictest10693-21apache220:14:350
2331992110,6cyclictest0-21swapper/021:39:560
2331992110,3cyclictest0-21swapper/021:04:170
2331992110,3cyclictest0-21swapper/020:34:320
2331992110,3cyclictest0-21swapper/019:49:290
2331992110,3cyclictest0-21swapper/000:04:290
233199210,20cyclictest0-21swapper/023:39:370
1775122110,0sleep10-21swapper/119:49:281
233299208,6cyclictest1199-21runrttasks23:47:591
233299205,9cyclictest0-21swapper/120:59:351
233299202,10cyclictest0-21swapper/122:29:371
2332992018,2cyclictest10675-21apache221:27:581
233299201,7cyclictest0-21swapper/122:59:341
2332992010,6cyclictest100250irq/107-eth1-rx23:21:391
2332992010,5cyclictest0-21swapper/100:10:561
2332992010,4cyclictest0-21swapper/121:59:271
2332992010,4cyclictest0-21swapper/121:52:151
233299200,3cyclictest0-21swapper/123:07:081
233199203,9cyclictest0-21swapper/023:22:220
233199202,7cyclictest0-21swapper/021:25:290
233199202,10cyclictest0-21swapper/020:24:280
2331992019,1cyclictest10693-21apache200:24:580
2331992019,1cyclictest0-21swapper/021:13:410
2331992010,8cyclictest0-21swapper/022:54:110
2331992010,3cyclictest0-21swapper/022:19:280
2331992010,3cyclictest0-21swapper/020:44:290
2331992010,2cyclictest0-21swapper/023:51:370
2331992010,2cyclictest0-21swapper/019:44:370
742421910,0sleep10-21swapper/123:56:061
233299194,9cyclictest0-21swapper/100:19:311
2332991916,1cyclictest15962-21diskmemload22:45:431
2332991911,4cyclictest0-21swapper/121:13:261
2332991911,2cyclictest2329-21cyclictest22:40:141
2332991910,7cyclictest0-21swapper/123:35:391
2332991910,6cyclictest0-21swapper/122:04:461
2332991910,5cyclictest0-21swapper/120:39:291
233199194,8cyclictest0-21swapper/022:24:280
233199193,9cyclictest0-21swapper/021:09:170
2331991917,1cyclictest20850-21unixbench_multi19:54:350
2331991916,2cyclictest81ktimersoftd/022:44:240
2331991912,0cyclictest1199-21runrttasks00:09:310
2331991910,6cyclictest0-21swapper/020:19:350
2331991910,5cyclictest0-21swapper/022:14:290
2331991910,5cyclictest0-21swapper/000:14:320
2331991910,2cyclictest0-21swapper/023:55:150
2331991910,2cyclictest0-21swapper/023:24:320
2251121910,0sleep00-21swapper/022:01:430
2160121910,0sleep10-21swapper/119:59:291
1166621910,0sleep10-21swapper/100:02:071
503921810,0sleep10-21swapper/121:38:021
233299185,11cyclictest651-21nscd23:14:011
233299183,9cyclictest0-21swapper/120:19:311
2332991810,6cyclictest0-21swapper/120:38:591
2332991810,4cyclictest0-21swapper/120:44:291
2332991810,3cyclictest0-21swapper/122:24:201
2332991810,3cyclictest0-21swapper/120:06:521
233199185,9cyclictest0-21swapper/020:04:290
233199185,8cyclictest0-21swapper/020:49:320
233199182,11cyclictest0-21swapper/021:22:580
233199181,11cyclictest0-21swapper/019:09:340
2331991810,4cyclictest0-21swapper/000:34:350
233299177,3cyclictest17598-21idleruntime-cro19:49:171
233299176,7cyclictest0-21swapper/119:14:301
233299176,6cyclictest17719-21/usr/sbin/munin23:24:371
233299174,7cyclictest0-21swapper/120:29:311
2332991715,1cyclictest2329-21cyclictest21:43:341
2332991710,5cyclictest0-21swapper/100:19:161
2332991710,3cyclictest0-21swapper/119:24:301
2332991710,2cyclictest0-21swapper/119:29:261
2332991710,1cyclictest0-21swapper/119:19:271
2331991710,1cyclictest0-21swapper/021:49:160
1202721710,0sleep10-21swapper/120:58:301
2332991610,4cyclictest0-21swapper/100:24:341
2332991610,2cyclictest0-21swapper/119:34:231
2331991610,3cyclictest0-21swapper/020:54:280
2331991610,2cyclictest0-21swapper/019:24:240
233199160,9cyclictest0-21swapper/019:19:290
233299151,6cyclictest20412-21ntpdc19:54:321
233299150,9cyclictest0-21swapper/120:09:301
2331991515,0cyclictest0-21swapper/019:29:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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