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2026-04-18 - 06:49
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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 Sat Apr 18, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491232169,52phc2sys0-21swapper/319:06:123
247442206172,22sleep10-21swapper/119:07:501
248932203170,22sleep00-21swapper/019:09:450
247152202170,22sleep20-21swapper/219:07:262
2915121390,5sleep22520799cyclictest23:45:182
139391650,1ptp4l401ktimersoftd/320:02:383
125022580,2sleep00-21swapper/023:10:220
134391540,2getstats0-21swapper/323:30:113
134391520,1getstats17077-1kworker/3:1H21:55:113
139391510,1ptp4l401ktimersoftd/322:52:243
139391480,0ptp4l401ktimersoftd/321:49:273
139391480,0ptp4l401ktimersoftd/321:49:273
90502460,1sleep30-21swapper/319:40:253
57898430,9rtkit-daemon0-21swapper/320:48:453
25208994236,3cyclictest41-21ksoftirqd/323:20:003
139391420,0ptp4l401ktimersoftd/321:25:213
25208994129,10cyclictest41-21ksoftirqd/319:55:133
139391410,0ptp4l401ktimersoftd/323:00:243
25208994035,3cyclictest20035-21grep22:20:153
25208994035,2cyclictest41-21ksoftirqd/300:20:013
139391400,1ptp4l401ktimersoftd/322:37:413
139391400,0ptp4l401ktimersoftd/322:25:173
57898390,3rtkit-daemon24425-21apt-get20:15:122
25208993934,3cyclictest10392-21fschecks_count19:45:153
139391390,0ptp4l401ktimersoftd/322:40:223
134391390,2getstats0-21swapper/322:05:103
25207993832,4cyclictest33-21ksoftirqd/223:44:302
25207993820,17cyclictest33-21ksoftirqd/220:05:012
25206993831,3cyclictest207-21systemd-journal22:19:591
2520699380,2cyclictest0-21swapper/120:20:431
25208993732,3cyclictest41-21ksoftirqd/322:50:003
25207993730,4cyclictest33-21ksoftirqd/221:25:122
25206993732,3cyclictest25-21ksoftirqd/123:40:011
25206993731,4cyclictest25-21ksoftirqd/121:43:051
25206993731,4cyclictest25-21ksoftirqd/121:43:051
25206993731,4cyclictest25-21ksoftirqd/120:34:391
25206993731,4cyclictest25-21ksoftirqd/119:19:251
25205993731,4cyclictest9-21ksoftirqd/020:35:000
25208993632,2cyclictest41-21ksoftirqd/320:25:013
25208993631,3cyclictest41-21ksoftirqd/320:40:003
25208993631,3cyclictest41-21ksoftirqd/319:50:223
25208993630,4cyclictest41-21ksoftirqd/323:42:303
25208993630,4cyclictest41-21ksoftirqd/300:09:223
25208993629,5cyclictest41-21ksoftirqd/319:30:123
25208993624,3cyclictest41-21ksoftirqd/320:50:203
25207993631,3cyclictest33-21ksoftirqd/223:30:012
2520799360,33cyclictest12104-21cron19:49:592
25206993631,3cyclictest25-21ksoftirqd/120:29:291
25206993630,4cyclictest25-21ksoftirqd/120:05:141
25206993630,4cyclictest25-21ksoftirqd/100:05:551
25208993531,2cyclictest41-21ksoftirqd/323:30:013
25208993530,3cyclictest41-21ksoftirqd/323:20:093
25208993530,3cyclictest41-21ksoftirqd/320:05:103
25208993530,3cyclictest41-21ksoftirqd/319:30:003
25208993529,4cyclictest41-21ksoftirqd/300:14:073
25208993529,3cyclictest41-21ksoftirqd/321:08:253
2520899352,4cyclictest41-21ksoftirqd/320:35:013
25207993529,4cyclictest33-21ksoftirqd/221:36:292
25207993529,4cyclictest33-21ksoftirqd/221:17:402
25207993529,4cyclictest33-21ksoftirqd/221:13:072
25207993528,4cyclictest33-21ksoftirqd/220:32:462
25207993516,17cyclictest33-21ksoftirqd/222:25:002
25206993529,4cyclictest25-21ksoftirqd/123:55:561
25206993529,4cyclictest25-21ksoftirqd/123:34:221
25206993529,4cyclictest25-21ksoftirqd/122:04:161
25206993529,4cyclictest25-21ksoftirqd/121:58:151
25206993529,4cyclictest25-21ksoftirqd/121:00:331
25206993529,4cyclictest25-21ksoftirqd/119:34:201
25205993529,4cyclictest9-21ksoftirqd/020:58:440
25205993529,4cyclictest9-21ksoftirqd/020:58:440
25205993529,4cyclictest9-21ksoftirqd/020:28:110
25205993528,5cyclictest9-21ksoftirqd/019:52:290
25208993430,2cyclictest41-21ksoftirqd/322:10:153
25208993429,3cyclictest41-21ksoftirqd/322:55:193
25208993429,3cyclictest41-21ksoftirqd/322:15:123
25208993429,3cyclictest41-21ksoftirqd/321:10:183
25208993429,3cyclictest41-21ksoftirqd/321:00:013
25208993429,3cyclictest41-21ksoftirqd/321:00:013
25208993428,4cyclictest41-21ksoftirqd/321:44:203
25208993428,4cyclictest41-21ksoftirqd/321:44:203
25208993428,4cyclictest41-21ksoftirqd/321:24:073
25208993428,4cyclictest41-21ksoftirqd/319:23:593
25208993428,4cyclictest41-21ksoftirqd/300:36:143
25208993428,4cyclictest41-21ksoftirqd/300:30:123
25208993428,4cyclictest41-21ksoftirqd/300:25:433
2520899342,3cyclictest41-21ksoftirqd/323:10:253
25207993429,3cyclictest33-21ksoftirqd/221:00:122
25207993429,3cyclictest33-21ksoftirqd/219:20:342
25207993428,4cyclictest33-21ksoftirqd/223:19:022
25207993428,4cyclictest33-21ksoftirqd/220:36:312
25207993428,4cyclictest33-21ksoftirqd/220:09:322
25207993428,4cyclictest33-21ksoftirqd/219:32:382
25207993428,4cyclictest33-21ksoftirqd/219:10:262
25207993428,3cyclictest33-21ksoftirqd/222:45:092
25207993428,3cyclictest33-21ksoftirqd/200:35:112
25206993429,3cyclictest25-21ksoftirqd/121:32:241
25206993429,3cyclictest25-21ksoftirqd/100:18:291
25206993428,4cyclictest25-21ksoftirqd/119:58:481
25205993429,3cyclictest9-21ksoftirqd/023:56:390
25205993429,3cyclictest9-21ksoftirqd/020:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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