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2026-08-19 - 03:32
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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 100 highest latencies:
System rack3slot6.osadl.org (updated Wed Aug 19, 2026 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9492960,6sleep00-21swapper/022:55:370
17024998612,66cyclictest0-21swapper/021:00:130
17024998314,62cyclictest0-21swapper/000:20:250
218632780,7sleep0171rcuc/023:55:280
17024997857,10cyclictest14-21ksoftirqd/022:10:150
17024997758,10cyclictest14-21ksoftirqd/022:00:150
1646327718,51sleep00-21swapper/019:06:000
1702499754,9cyclictest0-21swapper/019:50:350
17024997415,18cyclictest0-21swapper/000:15:140
17029997144,15cyclictest26-21ksoftirqd/123:25:311
17029997143,9cyclictest26-21ksoftirqd/122:30:241
17024997147,11cyclictest14-21ksoftirqd/022:15:150
17024997147,11cyclictest14-21ksoftirqd/021:05:140
17024997147,11cyclictest14-21ksoftirqd/021:05:140
17024997115,50cyclictest0-21swapper/023:20:110
17024997045,13cyclictest14-21ksoftirqd/022:25:140
17024997012,52cyclictest0-21swapper/021:55:160
1573727031,27sleep10-21swapper/119:05:201
17029996935,17cyclictest26-21ksoftirqd/121:40:161
17029996930,16cyclictest26-21ksoftirqd/123:15:231
17029996825,13cyclictest26-21ksoftirqd/120:55:171
17024996812,50cyclictest0-21swapper/019:20:140
17029996750,12cyclictest507-21ntpd19:40:331
1702999672,26cyclictest24523-21munin-run00:05:001
1702499674,25cyclictest562-21runrttasks19:25:180
17024996713,49cyclictest0-21swapper/020:15:130
17024996711,14cyclictest14-21ksoftirqd/022:50:250
252442660,6chrt25247-21needreboot19:30:281
1702999662,10cyclictest26-21ksoftirqd/122:25:241
17024996613,47cyclictest0-21swapper/000:05:160
17029996531,18cyclictest26-21ksoftirqd/120:36:321
1702499653,56cyclictest30017-21aten2.4-expect19:45:180
1702999646,37cyclictest26-21ksoftirqd/123:00:151
17029996431,17cyclictest26-21ksoftirqd/123:30:341
17029996425,20cyclictest26-21ksoftirqd/100:20:051
17029996410,8cyclictest26-21ksoftirqd/121:25:211
17024996435,16cyclictest0-21swapper/023:50:130
17024996434,16cyclictest0-21swapper/023:40:140
17024996433,18cyclictest0-21swapper/023:30:140
1702999633,18cyclictest26-21ksoftirqd/119:10:391
17029996329,29cyclictest26-21ksoftirqd/100:14:381
17029996325,20cyclictest26-21ksoftirqd/122:15:001
17029996324,13cyclictest31501-21cut21:20:201
17029996322,11cyclictest26-21ksoftirqd/120:15:391
1702499634,9cyclictest0-21swapper/022:30:210
17024996335,17cyclictest0-21swapper/023:35:120
17024996334,18cyclictest0-21swapper/020:10:130
17024996334,17cyclictest0-21swapper/023:25:130
17029996228,12cyclictest26-21ksoftirqd/119:45:151
17024996239,13cyclictest0-21swapper/019:55:150
17024996236,16cyclictest0-21swapper/022:05:130
17024996235,16cyclictest0-21swapper/021:40:110
17024996234,16cyclictest0-21swapper/023:10:150
17024996233,17cyclictest0-21swapper/019:15:160
17024996232,19cyclictest0-21swapper/019:30:150
17029996128,28cyclictest26-21ksoftirqd/121:06:591
17029996128,28cyclictest26-21ksoftirqd/121:06:591
17029996128,17cyclictest26-21ksoftirqd/100:27:251
17029996127,17cyclictest26-21ksoftirqd/121:47:561
17029996126,14cyclictest26-21ksoftirqd/120:20:171
17024996133,16cyclictest14-21ksoftirqd/000:10:150
17024996133,16cyclictest0-21swapper/020:35:170
17029996021,21cyclictest26-21ksoftirqd/119:37:201
17024996036,14cyclictest0-21swapper/022:45:130
17024996034,17cyclictest14-21ksoftirqd/021:50:140
17024996033,20cyclictest14-21ksoftirqd/000:00:150
17024996033,18cyclictest0-21swapper/020:40:130
17024996033,17cyclictest14-21ksoftirqd/020:05:190
17024996031,17cyclictest0-21swapper/022:20:150
1702499602,15cyclictest14-21ksoftirqd/022:40:150
17024996020,35cyclictest243-21systemd-journal20:26:170
1702999595,38cyclictest26-21ksoftirqd/122:40:011
1702999595,37cyclictest0-21swapper/100:36:041
1702999593,10cyclictest12959-21apt-get22:00:161
17029995925,13cyclictest26-21ksoftirqd/120:34:201
17029995923,21cyclictest26-21ksoftirqd/119:15:021
17029995920,21cyclictest26-21ksoftirqd/122:00:011
17029995918,36cyclictest26-21ksoftirqd/122:46:441
17029995915,30cyclictest4485-21cat21:35:201
17029995914,9cyclictest26178-21php7.300:09:001
17024995933,15cyclictest0-21swapper/021:35:150
17024995932,18cyclictest14-21ksoftirqd/020:30:150
1702499593,13cyclictest14-21ksoftirqd/023:00:030
17024995931,18cyclictest14-21ksoftirqd/021:15:130
17024995931,16cyclictest0-21swapper/019:40:180
1702999585,39cyclictest0-21swapper/122:56:091
1702999583,41cyclictest29794-21apt-get00:20:011
17029995822,11cyclictest26-21ksoftirqd/123:05:311
17029995818,22cyclictest26-21ksoftirqd/120:25:371
17029995818,22cyclictest26-21ksoftirqd/120:05:371
17029995816,9cyclictest3159-21ntp_states21:30:311
17029995810,36cyclictest562-21runrttasks22:20:501
1702499589,30cyclictest562-21runrttasks21:30:130
17024995833,16cyclictest0-21swapper/022:35:140
17024995831,16cyclictest14-21ksoftirqd/020:00:150
17024995831,16cyclictest0-21swapper/021:45:140
17024995831,15cyclictest0-21swapper/021:20:160
17024995829,16cyclictest0-21swapper/000:35:120
104652583,10sleep010514-21ps20:20:320
17029995734,9cyclictest26-21ksoftirqd/119:55:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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