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2026-05-06 - 05:05
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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 Wed May 06, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90902690,0sleep00-21swapper/000:24:390
658826855,8sleep10-21swapper/119:04:101
653426754,8sleep00-21swapper/019:04:010
21922660,1sleep10-21swapper/122:05:341
156682580,0sleep10-21swapper/123:49:121
8514994610,35cyclictest26069-21ssh21:13:520
8514994310,32cyclictest0-21swapper/021:50:140
8514994310,32cyclictest0-21swapper/020:04:480
8514994310,15cyclictest0-21swapper/022:39:180
8514994210,31cyclictest0-21swapper/019:49:050
8514994110,30cyclictest0-21swapper/023:45:380
8514994014,26cyclictest21070-21ssh23:55:260
8514994010,29cyclictest0-21swapper/022:44:190
8514994010,29cyclictest0-21swapper/020:59:200
8514994010,28cyclictest0-21swapper/000:14:160
8514993910,29cyclictest0-21swapper/020:34:140
8514993910,28cyclictest0-21swapper/021:35:590
8514993910,28cyclictest0-21swapper/019:37:070
8514993910,27cyclictest0-21swapper/022:18:010
8514993910,26cyclictest0-21swapper/023:29:410
8514993910,11cyclictest7398-21ssh22:54:340
8514993811,26cyclictest22098-21diskmemload22:34:360
8514993810,28cyclictest0-21swapper/023:59:130
8514993810,28cyclictest0-21swapper/000:29:180
8514993810,27cyclictest0-21swapper/021:22:320
8514993810,27cyclictest0-21swapper/020:29:150
8514993810,27cyclictest0-21swapper/000:23:440
8515993710,5cyclictest0-21swapper/121:30:541
8514993723,14cyclictest0-21swapper/023:34:160
8514993710,26cyclictest0-21swapper/022:09:040
8514993710,26cyclictest0-21swapper/022:00:050
8514993710,26cyclictest0-21swapper/019:48:370
8514993710,26cyclictest0-21swapper/019:32:000
8514993710,26cyclictest0-21swapper/000:34:210
8514993619,17cyclictest0-21swapper/021:28:120
8514993610,26cyclictest0-21swapper/021:44:390
8514993610,25cyclictest0-21swapper/023:14:310
8514993610,25cyclictest0-21swapper/019:14:190
8514993610,25cyclictest0-21swapper/000:05:570
8514993510,25cyclictest0-21swapper/022:28:110
8514993510,25cyclictest0-21swapper/020:54:440
8514993510,24cyclictest0-21swapper/023:09:490
8514993510,24cyclictest0-21swapper/022:04:200
8514993510,23cyclictest0-21swapper/022:49:180
8514993510,21cyclictest0-21swapper/020:26:300
8514993410,24cyclictest0-21swapper/023:50:090
8514993410,24cyclictest0-21swapper/020:43:440
8514993410,23cyclictest0-21swapper/022:19:140
8514993410,23cyclictest0-21swapper/021:32:330
8514993410,22cyclictest0-21swapper/000:11:530
8514993410,21cyclictest0-21swapper/021:14:160
8514993410,18cyclictest0-21swapper/020:15:190
8514993313,19cyclictest0-21swapper/022:59:090
8514993310,23cyclictest0-21swapper/019:20:350
8514993310,22cyclictest0-21swapper/023:27:200
8514993310,22cyclictest0-21swapper/023:21:160
8514993310,22cyclictest0-21swapper/020:20:530
8514993310,20cyclictest0-21swapper/022:30:270
8514993310,20cyclictest0-21swapper/021:41:260
8514993310,19cyclictest0-21swapper/023:39:100
8515993210,4cyclictest0-21swapper/123:58:431
8514993210,22cyclictest0-21swapper/019:09:500
8514993210,21cyclictest0-21swapper/020:47:360
8514993010,20cyclictest0-21swapper/021:06:480
8514993010,20cyclictest0-21swapper/019:54:120
8514992924,4cyclictest0-21swapper/020:09:160
8514992910,18cyclictest0-21swapper/021:57:320
8514992910,15cyclictest0-21swapper/023:05:140
8515992810,10cyclictest0-21swapper/123:05:041
851599270,14cyclictest0-21swapper/119:34:121
8514992710,4cyclictest0-21swapper/020:00:140
8515992626,0cyclictest0-21swapper/100:03:591
8515992625,1cyclictest1042-21apache223:28:151
8515992625,0cyclictest231ktimersoftd/123:48:491
8514992610,1cyclictest0-21swapper/019:40:500
8515992523,1cyclictest0-21swapper/121:04:191
8515992521,4cyclictest1069-21apache223:02:201
8515992521,2cyclictest1199-21runrttasks19:09:531
8515992510,0cyclictest0-21swapper/122:55:501
8514992510,15cyclictest0-21swapper/019:24:180
851599241,22cyclictest0-21swapper/122:32:131
851599241,11cyclictest4985-21apache_accesses20:24:111
8515992410,8cyclictest0-21swapper/119:24:141
8515992410,11cyclictest7528-21kworker/1:220:32:201
8515992410,11cyclictest0-21swapper/121:09:041
851599240,23cyclictest0-21swapper/122:49:211
851599240,20cyclictest7627-21apache_accesses00:24:121
851499240,4cyclictest0-21swapper/020:49:200
851599232,14cyclictest0-21swapper/120:34:201
8515992310,6cyclictest0-21swapper/122:34:031
8515992310,3cyclictest0-21swapper/122:02:591
851599230,22cyclictest0-21swapper/123:31:521
851599222,4cyclictest0-21swapper/121:15:021
851599222,16cyclictest0-21swapper/119:32:581
8515992221,1cyclictest0-21swapper/120:41:141
8515992221,0cyclictest1042-21apache223:15:401
8515992211,4cyclictest0-21swapper/122:24:201
851599214,11cyclictest100250irq/107-eth1-rx22:17:271
851599212,9cyclictest1044-21apache219:54:111
8515992120,1cyclictest0-21swapper/121:47:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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