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2025-07-02 - 06:51
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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 rackcslot4.osadl.org (updated Wed Jul 02, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3639022327285,27sleep10-21swapper/119:07:071
3641212324282,27sleep00-21swapper/019:09:300
36429899135130,3cyclictest368242-21kworker/u8:120:58:201
125899650,3rtkit-daemon1257-21rtkit-daemon00:10:251
125899560,4rtkit-daemon1257-21rtkit-daemon21:17:191
4093572540,4sleep00-21swapper/021:00:120
4165002530,2sleep10-21swapper/121:14:141
36429899533,11cyclictest533810-21apt-get23:55:191
36429899523,8cyclictest421277-40apt-check21:20:111
4708612510,6sleep10-21swapper/122:26:571
36429899513,8cyclictest472481-21apt-get22:30:151
125899510,4rtkit-daemon1257-21rtkit-daemon19:53:361
125899510,3rtkit-daemon1257-21rtkit-daemon22:08:371
36429899503,7cyclictest551310-21apt-get00:20:151
36429899503,6cyclictest458024-21apt-get22:10:161
36429899482,6cyclictest530127-21apt-get23:50:131
125899480,3rtkit-daemon1257-21rtkit-daemon19:37:400
36429899462,8cyclictest512192-21apt-get23:25:191
36429899462,6cyclictest479630-21apt-get22:40:181
5073072450,4sleep10-21swapper/123:17:471
5424122440,4chrt542411-21ssh00:05:361
125899440,4rtkit-daemon1257-21rtkit-daemon23:58:240
4515802420,2sleep0451578-21ntp_states22:00:250
125899420,1rtkit-daemon1257-21rtkit-daemon22:19:070
125899410,4rtkit-daemon1257-21rtkit-daemon22:20:390
4248912400,4sleep10-21swapper/121:25:031
36429899393,7cyclictest439445-21apt-get21:45:141
36429899393,13cyclictest519387-21apt-get23:35:191
36429899391,32cyclictest501298-21apt-get23:10:131
36429899383,7cyclictest465126-21apt-get22:20:151
364293993815,4cyclictest13-21ksoftirqd/023:15:010
125899380,3rtkit-daemon0-21swapper/000:24:500
36429899373,7cyclictest494163-21apt-get23:00:171
125899370,6rtkit-daemon427557-21ssh21:28:290
125899370,4rtkit-daemon1257-21rtkit-daemon23:15:200
125899370,3rtkit-daemon0-21swapper/119:59:221
125899370,3rtkit-daemon0-21swapper/021:39:360
36429899361,11cyclictest523000-21apt-get23:40:151
364298993610,7cyclictest509047-21grep23:20:191
125899360,4rtkit-daemon1257-21rtkit-daemon19:44:310
125899360,3rtkit-daemon0-21swapper/021:56:371
125899360,3rtkit-daemon0-21swapper/021:44:040
125899360,3rtkit-daemon0-21swapper/019:20:270
125899350,4rtkit-daemon1257-21rtkit-daemon20:50:110
125899350,4rtkit-daemon1257-21rtkit-daemon00:33:310
125899350,3rtkit-daemon0-21swapper/021:44:471
36429899349,7cyclictest492801-21seq22:57:491
36429899342,8cyclictest443162-21apt-get21:50:141
36429899340,17cyclictest559357-21ssh00:30:221
125899340,4rtkit-daemon1257-21rtkit-daemon20:27:440
125899340,3rtkit-daemon0-21swapper/020:47:001
36429899338,8cyclictest463350-21seq22:16:311
36429899332,7cyclictest515705-21apt-get23:30:181
36429899332,13cyclictest562119-21apt-get00:35:161
36429899331,16cyclictest452479-21ssh22:01:221
36429899331,11cyclictest486877-21apt-get22:50:131
36429899331,10cyclictest557526-21ssh00:28:251
36429899331,10cyclictest430411-21ssh21:31:341
364293993313,5cyclictest13-21ksoftirqd/022:45:000
125899330,4rtkit-daemon1257-21rtkit-daemon23:20:310
125899330,3rtkit-daemon0-21swapper/122:37:251
125899330,3rtkit-daemon0-21swapper/119:59:260
36429899322,6cyclictest483275-21apt-get22:45:151
36429899322,13cyclictest432248-21apt-get21:35:131
125899320,4rtkit-daemon1257-21rtkit-daemon21:53:480
125899320,4rtkit-daemon1257-21rtkit-daemon21:45:580
125899320,4rtkit-daemon1257-21rtkit-daemon19:46:201
125899320,3rtkit-daemon1257-21rtkit-daemon19:13:420
125899320,3rtkit-daemon0-21swapper/123:37:300
125899320,3rtkit-daemon0-21swapper/020:34:521
125899320,3rtkit-daemon0-21swapper/019:13:481
36429899313,8cyclictest391727-21apt-get20:15:141
125899310,3rtkit-daemon0-21swapper/120:42:360
125899310,3rtkit-daemon0-21swapper/120:36:520
125899310,3rtkit-daemon0-21swapper/000:04:441
125899300,4rtkit-daemon1257-21rtkit-daemon23:47:170
125899300,4rtkit-daemon1257-21rtkit-daemon22:51:190
125899300,3rtkit-daemon1257-21rtkit-daemon20:47:210
125899300,3rtkit-daemon0-21swapper/122:30:580
125899300,3rtkit-daemon0-21swapper/122:06:020
125899300,3rtkit-daemon0-21swapper/119:53:560
125899300,3rtkit-daemon0-21swapper/019:26:241
125899300,3rtkit-daemon0-21swapper/019:24:581
36429899298,5cyclictest413061-21diskmemload00:15:461
36429899295,5cyclictest403353-21latency_hist20:45:001
125899290,4rtkit-daemon1257-21rtkit-daemon20:11:471
125899290,3rtkit-daemon0-21swapper/121:24:100
125899290,2rtkit-daemon1257-21rtkit-daemon23:43:150
36429899281,7cyclictest368756-21python319:20:021
36429399289,7cyclictest13-21ksoftirqd/021:56:250
36429399284,4cyclictest13-21ksoftirqd/022:25:170
125899280,3rtkit-daemon0-21swapper/121:12:160
125899280,18rtkit-daemon0-21swapper/023:00:000
125899270,3rtkit-daemon0-21swapper/123:52:330
125899270,3rtkit-daemon0-21swapper/123:28:140
125899270,22rtkit-daemon364284-21cyclictest23:48:421
36429899261,8cyclictest377619-21apt-config19:40:011
36429399268,4cyclictest541491-21apt-get00:05:240
36429399267,3cyclictest141rcu_preempt00:02:330
36429399260,7cyclictest0-21swapper/023:30:180
36429399258,4cyclictest13-21ksoftirqd/022:35:530
36429399258,3cyclictest141rcu_preempt21:15:160
364293992510,4cyclictest13-21ksoftirqd/000:27:120
125899250,20rtkit-daemon364284-21cyclictest19:47:530
4285482240,21sleep0428617-21ls21:30:150
36429899241,21cyclictest406235-21pmu-power20:50:211
36429899240,6cyclictest0-21swapper/121:02:101
36429899240,6cyclictest0-21swapper/120:20:061
36429899240,2cyclictest472499-21kworker/u8:223:05:261
36429899240,22cyclictest386196-21fschecks_time20:00:201
36429399248,3cyclictest141rcu_preempt20:20:130
36429399247,7cyclictest545379-21memory00:10:250
36429399247,4cyclictest13-21ksoftirqd/023:02:480
36429399244,6cyclictest13-21ksoftirqd/022:46:000
364293992410,4cyclictest13-21ksoftirqd/023:05:590
125899240,4rtkit-daemon1257-21rtkit-daemon19:41:221
125899240,1rtkit-daemon1257-21rtkit-daemon20:59:310
36429399237,2cyclictest141rcu_preempt00:18:510
36429399232,14cyclictest411305-21apt-get21:05:160
125899230,1rtkit-daemon1257-21rtkit-daemon20:38:391
36429899220,5cyclictest0-21swapper/119:34:461
36429399224,5cyclictest13-21ksoftirqd/020:05:010
36429399222,14cyclictest397603-21apt-get20:30:160
36429899211,18cyclictest0-21swapper/120:05:181
36429899210,4cyclictest287-20systemd-journal21:10:001
36429399215,9cyclictest366953-21apt-get19:15:150
36429399212,4cyclictest141rcu_preempt20:10:140
364293992112,7cyclictest375357-21sed19:35:020
364293992111,8cyclictest387829-21apt-get20:05:140
125899210,14rtkit-daemon0-21swapper/019:27:280
36429399200,6cyclictest456887-1kworker/u9:122:10:080
36429399200,5cyclictest0-21swapper/000:35:150
364293991913,5cyclictest13-21ksoftirqd/020:20:020
364298991611,3cyclictest396245-21load20:25:221
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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