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2026-05-19 - 20:19
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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 rackdslot3.osadl.org (updated Tue May 19, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92502205172,21sleep30-21swapper/307:05:073
110632205172,22sleep10-21swapper/107:05:571
111522202171,20sleep20-21swapper/207:07:082
113092200167,22sleep00-21swapper/007:09:030
2280621770,5sleep21167699cyclictest07:30:252
302582640,2sleep30-21swapper/311:10:143
139391590,1ptp4l401ktimersoftd/312:00:233
139391540,1ptp4l401ktimersoftd/312:22:453
289012460,2sleep00-21swapper/011:05:260
11676994431,11cyclictest33-21ksoftirqd/209:45:012
139391430,0ptp4l401ktimersoftd/309:05:203
139391430,0ptp4l401ktimersoftd/309:05:203
139391430,0ptp4l401ktimersoftd/307:51:393
139391420,1ptp4l16048-21ls08:25:223
139391420,0ptp4l401ktimersoftd/311:54:553
139391420,0ptp4l401ktimersoftd/308:20:283
57898410,4rtkit-daemon25958-21apt-get07:40:110
139391410,0ptp4l401ktimersoftd/309:54:413
139391410,0ptp4l401ktimersoftd/307:56:563
11676994035,3cyclictest10383-21cron10:30:002
11677993933,3cyclictest41-21ksoftirqd/310:20:003
139391380,14ptp4l401ktimersoftd/308:50:183
57898370,7rtkit-daemon0-21swapper/010:58:260
11677993733,2cyclictest41-21ksoftirqd/308:35:003
11676993732,3cyclictest25845-21cron09:55:002
11675993732,3cyclictest25-21ksoftirqd/109:20:001
11675993731,4cyclictest25-21ksoftirqd/107:15:001
11675993730,4cyclictest25-21ksoftirqd/109:45:111
11674993732,3cyclictest9-21ksoftirqd/008:49:590
11677993631,3cyclictest6485-21fschecks_count12:35:183
11677993630,4cyclictest41-21ksoftirqd/311:17:573
11677993630,4cyclictest41-21ksoftirqd/308:05:293
11677993629,5cyclictest41-21ksoftirqd/307:39:373
11677993629,5cyclictest41-21ksoftirqd/307:30:343
11676993631,3cyclictest33-21ksoftirqd/211:30:112
11676993630,4cyclictest33-21ksoftirqd/212:29:122
11676993630,4cyclictest33-21ksoftirqd/209:23:182
11676993630,4cyclictest33-21ksoftirqd/208:56:182
11675993632,3cyclictest25-21ksoftirqd/108:45:001
11675993630,4cyclictest25-21ksoftirqd/112:01:301
11675993630,4cyclictest25-21ksoftirqd/110:29:001
11675993630,3cyclictest25-21ksoftirqd/109:05:001
11675993628,5cyclictest25-21ksoftirqd/109:05:121
11675993628,5cyclictest25-21ksoftirqd/109:05:121
57898350,6rtkit-daemon0-21swapper/310:36:503
139391350,0ptp4l401ktimersoftd/311:45:213
11677993529,4cyclictest41-21ksoftirqd/312:18:063
11677993529,4cyclictest41-21ksoftirqd/309:55:093
11677993529,4cyclictest41-21ksoftirqd/309:33:343
11677993529,3cyclictest41-21ksoftirqd/311:40:013
11676993529,4cyclictest33-21ksoftirqd/207:29:492
11676993529,4cyclictest33-21ksoftirqd/207:10:452
11675993530,3cyclictest25-21ksoftirqd/110:40:011
11675993530,3cyclictest25-21ksoftirqd/110:10:091
11675993530,3cyclictest25-21ksoftirqd/107:20:121
11675993529,4cyclictest25-21ksoftirqd/112:30:311
11675993529,4cyclictest25-21ksoftirqd/111:39:091
11675993529,4cyclictest25-21ksoftirqd/109:58:031
11675993529,4cyclictest25-21ksoftirqd/107:59:021
11675993528,5cyclictest25-21ksoftirqd/109:39:061
11674993531,3cyclictest9-21ksoftirqd/012:05:010
11674993530,3cyclictest9-21ksoftirqd/011:40:010
11674993529,4cyclictest9-21ksoftirqd/009:53:250
11674993529,4cyclictest9-21ksoftirqd/007:28:550
11674993529,3cyclictest9-21ksoftirqd/008:05:130
11677993429,3cyclictest41-21ksoftirqd/307:20:203
11677993428,4cyclictest41-21ksoftirqd/309:46:343
11676993429,3cyclictest33-21ksoftirqd/211:20:102
11676993429,3cyclictest33-21ksoftirqd/209:10:002
11676993429,3cyclictest33-21ksoftirqd/209:10:002
11676993429,3cyclictest33-21ksoftirqd/208:37:132
11676993428,4cyclictest33-21ksoftirqd/211:40:102
11676993428,4cyclictest33-21ksoftirqd/210:43:262
11676993428,4cyclictest33-21ksoftirqd/210:43:262
11676993428,4cyclictest33-21ksoftirqd/210:15:342
11676993428,4cyclictest33-21ksoftirqd/210:04:302
11676993428,3cyclictest33-21ksoftirqd/209:02:452
11676993427,4cyclictest33-21ksoftirqd/211:29:432
11676993415,17cyclictest33-21ksoftirqd/208:15:012
11675993429,3cyclictest25-21ksoftirqd/109:20:161
11675993429,3cyclictest25-21ksoftirqd/107:15:161
11675993428,4cyclictest25-21ksoftirqd/111:52:011
11675993428,4cyclictest25-21ksoftirqd/110:07:261
11675993428,4cyclictest25-21ksoftirqd/109:26:471
11675993428,4cyclictest25-21ksoftirqd/108:19:231
11675993428,4cyclictest25-21ksoftirqd/108:13:251
11675993428,4cyclictest25-21ksoftirqd/108:09:481
11675993428,4cyclictest25-21ksoftirqd/107:45:291
11675993428,4cyclictest25-21ksoftirqd/107:38:551
11675993428,3cyclictest25-21ksoftirqd/107:50:181
11675993427,4cyclictest25-21ksoftirqd/112:21:211
11674993428,4cyclictest9-21ksoftirqd/011:58:290
11677993328,3cyclictest28086-21sh07:45:003
11677993327,4cyclictest41-21ksoftirqd/311:06:453
11677993327,4cyclictest41-21ksoftirqd/309:41:453
11677993327,4cyclictest41-21ksoftirqd/308:57:293
11677993327,4cyclictest41-21ksoftirqd/307:26:383
11677993327,4cyclictest41-21ksoftirqd/307:18:443
11677993322,9cyclictest41-21ksoftirqd/307:45:253
11676993328,3cyclictest33-21ksoftirqd/212:30:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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