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2024-12-09 - 18:36
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot6.osadl.org (updated Mon Dec 09, 2024 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17285210519,38sleep00-21swapper/007:07:420
17367210135,54sleep10-21swapper/107:08:361
17683999872,14cyclictest0-21swapper/007:55:140
17688999554,23cyclictest26-21ksoftirqd/109:45:131
17688998546,22cyclictest26-21ksoftirqd/107:15:121
17683998353,18cyclictest14-21ksoftirqd/012:10:170
17683998353,18cyclictest14-21ksoftirqd/012:10:160
214222820,7sleep126-21ksoftirqd/110:20:361
17683998248,20cyclictest14-21ksoftirqd/010:50:190
17688998139,25cyclictest26-21ksoftirqd/108:10:121
17688998128,37cyclictest26-21ksoftirqd/112:30:091
17683998115,20cyclictest0-21swapper/009:30:080
17683998055,16cyclictest14-21ksoftirqd/010:20:150
17683998055,14cyclictest14-21ksoftirqd/008:25:230
17683997951,18cyclictest14-21ksoftirqd/010:35:140
17683997853,16cyclictest14-21ksoftirqd/012:00:230
17683997852,16cyclictest14-21ksoftirqd/012:35:140
17683997852,15cyclictest14-21ksoftirqd/009:15:170
17683997849,18cyclictest14-21ksoftirqd/009:10:200
17683997848,20cyclictest14-21ksoftirqd/011:50:190
17683997848,20cyclictest14-21ksoftirqd/011:50:180
17688997643,19cyclictest26-21ksoftirqd/108:40:131
17683997651,17cyclictest14-21ksoftirqd/010:25:230
17683997613,18cyclictest0-21swapper/007:20:140
17688997536,27cyclictest26-21ksoftirqd/111:00:171
17683997533,35cyclictest14-21ksoftirqd/011:05:260
100642750,9chrt0-21swapper/109:50:191
17688997437,20cyclictest26-21ksoftirqd/110:25:251
17683997447,18cyclictest14-21ksoftirqd/010:30:140
17688997328,32cyclictest26-21ksoftirqd/109:00:141
17683997346,16cyclictest0-21swapper/009:35:150
17683997344,16cyclictest0-21swapper/007:35:140
17683997311,18cyclictest0-21swapper/010:40:160
17683997244,18cyclictest14-21ksoftirqd/009:20:150
17683997244,18cyclictest0-21swapper/011:15:150
17683997137,25cyclictest14-21ksoftirqd/007:25:160
17683997044,19cyclictest14-21ksoftirqd/012:20:150
17683997029,36cyclictest243-21systemd-journal08:05:080
17683997029,36cyclictest17252-21chrt11:44:480
95222690,8chrt0-21swapper/108:15:251
107192690,8chrt0-21swapper/009:50:330
17688996835,19cyclictest26-21ksoftirqd/110:55:161
17683996838,17cyclictest0-21swapper/011:30:110
17683996741,15cyclictest0-21swapper/007:45:150
17683996736,18cyclictest0-21swapper/008:00:150
17683996640,15cyclictest0-21swapper/007:50:130
17683996638,19cyclictest0-21swapper/008:35:110
27532650,6chrt0-21swapper/107:55:301
17683996519,40cyclictest243-21systemd-journal07:17:000
17688996432,18cyclictest26-21ksoftirqd/108:50:151
17683996436,21cyclictest14-21ksoftirqd/011:00:320
17688996328,13cyclictest26-21ksoftirqd/109:39:001
17683996341,18cyclictest14-21ksoftirqd/007:40:390
17683996339,17cyclictest17675-21cyclictest10:15:150
17683996336,15cyclictest0-21swapper/007:10:140
17683996332,23cyclictest0-21swapper/008:18:060
1768899625,51cyclictest0-21swapper/111:33:291
1768399627,47cyclictest0-21swapper/011:35:380
17683996238,19cyclictest14-21ksoftirqd/009:45:440
17683996236,17cyclictest14-21ksoftirqd/008:30:140
17683996236,17cyclictest14-21ksoftirqd/008:30:130
17683996221,34cyclictest23776-21aten2.4-expect08:55:190
17683996215,37cyclictest29685-21tail10:45:140
17683996142,10cyclictest14-21ksoftirqd/008:10:220
17683996139,16cyclictest14-21ksoftirqd/011:10:400
17683996123,33cyclictest6707-21aten2.4-expect09:40:220
17683996123,32cyclictest17109-21aten2.4-expect10:10:160
17683996122,32cyclictest20367-21aten2.4-expect08:45:180
1768899608,13cyclictest26-21ksoftirqd/107:10:351
1768899606,20cyclictest0-21swapper/111:14:281
17688996021,16cyclictest26-21ksoftirqd/112:00:161
17683996040,15cyclictest499-21dbus-daemon12:00:000
17683996035,20cyclictest534-21gdbus11:25:000
17683996035,20cyclictest499-21dbus-daemon12:35:000
17683996035,18cyclictest17675-21cyclictest10:05:120
17683996019,35cyclictest857-21aten2.4-expect10:55:190
17688995914,12cyclictest251rcuc/107:25:301
17688995914,11cyclictest251rcuc/108:35:291
17683995942,10cyclictest14-21ksoftirqd/010:00:180
17683995937,17cyclictest17675-21cyclictest09:05:130
1768399593,46cyclictest11916-21aten2.4-expect09:55:170
17683995930,22cyclictest32441-21runrttasks12:29:180
17683995924,27cyclictest25036-21dpkg12:05:110
1768399584,45cyclictest17450-21/usr/sbin/munin11:45:400
17683995819,33cyclictest25329-21aten2.4-expect07:30:170
1768899579,15cyclictest26-21ksoftirqd/110:00:331
17688995736,16cyclictest26-21ksoftirqd/110:32:501
17688995726,20cyclictest26-21ksoftirqd/110:35:141
17688995715,36cyclictest26-21ksoftirqd/107:40:151
17688995714,11cyclictest251rcuc/109:25:031
17683995737,15cyclictest26921-21runrttasks09:04:110
17683995728,21cyclictest243-21systemd-journal12:20:000
17683995714,20cyclictest0-21swapper/008:50:160
1768899568,15cyclictest26-21ksoftirqd/110:05:201
17688995639,10cyclictest26-21ksoftirqd/110:50:021
17688995630,20cyclictest16472-21cron08:35:011
17688995630,20cyclictest16472-21cron08:35:001
17688995620,15cyclictest26-21ksoftirqd/112:05:321
17688995616,11cyclictest251rcuc/107:20:251
17688995615,11cyclictest251rcuc/111:15:281
17683995626,21cyclictest499-21dbus-daemon09:30:000
17683995616,34cyclictest18500-21aten2.4-expect08:40:150
1768899557,14cyclictest26-21ksoftirqd/110:50:141
1768899552,20cyclictest26-21ksoftirqd/107:35:231
17688995510,14cyclictest26-21ksoftirqd/109:15:141
17683995525,21cyclictest11983-21cron11:29:590
1768899549,29cyclictest0-21swapper/108:55:191
1768899548,14cyclictest26-21ksoftirqd/112:15:211
1768899548,13cyclictest26-21ksoftirqd/108:00:331
1768899547,14cyclictest26-21ksoftirqd/109:40:181
17688995422,20cyclictest26-21ksoftirqd/108:23:111
17688995420,22cyclictest26-21ksoftirqd/108:47:521
17688995414,20cyclictest251rcuc/112:20:201
17688995413,10cyclictest251rcuc/108:25:231
17688995410,16cyclictest151rcu_preempt09:24:131
1768399546,17cyclictest12400-21apt-get08:25:010
1768899539,14cyclictest26-21ksoftirqd/111:35:261
1768899538,13cyclictest26-21ksoftirqd/112:35:101
1768899538,13cyclictest26-21ksoftirqd/111:45:231
1768899537,33cyclictest0-21swapper/109:07:221
1768899537,15cyclictest26-21ksoftirqd/109:55:321
1768899537,15cyclictest26-21ksoftirqd/108:05:261
1768899537,14cyclictest26-21ksoftirqd/111:05:281
1768899537,14cyclictest26-21ksoftirqd/107:30:291
17688995322,26cyclictest0-21swapper/110:15:341
17688995313,10cyclictest251rcuc/110:10:321
1768899529,14cyclictest26-21ksoftirqd/111:55:361
1768899529,13cyclictest26-21ksoftirqd/111:41:361
1768899528,13cyclictest26-21ksoftirqd/112:10:261
1768899528,13cyclictest26-21ksoftirqd/112:10:251
1768899527,13cyclictest26-21ksoftirqd/111:26:251
1768899527,13cyclictest26-21ksoftirqd/111:20:221
17688995219,21cyclictest26-21ksoftirqd/109:11:041
1768899519,14cyclictest26-21ksoftirqd/110:40:121
1768899519,14cyclictest26-21ksoftirqd/107:45:211
1768899518,13cyclictest26-21ksoftirqd/111:50:401
1768899518,13cyclictest26-21ksoftirqd/111:50:391
1768899517,13cyclictest26-21ksoftirqd/109:30:081
17688995123,24cyclictest0-21swapper/107:50:071
17688995113,7cyclictest151rcu_preempt12:26:421
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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