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2025-12-16 - 01:37
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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 Tue Dec 16, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
560329915,39sleep00-21swapper/019:06:060
614199768,61cyclictest0-21swapper/021:40:150
542127431,29sleep10-21swapper/119:05:291
6141997223,15cyclictest0-21swapper/023:55:150
6141997032,18cyclictest14-21ksoftirqd/021:20:000
6144996833,12cyclictest26-21ksoftirqd/119:45:001
6141996844,16cyclictest31090-21apt-get23:20:130
296462680,6sleep0171rcuc/023:15:220
6141996529,12cyclictest14-21ksoftirqd/020:55:000
6144996328,13cyclictest26-21ksoftirqd/120:00:051
614199634,51cyclictest18272-21apt-get00:15:130
6144996227,14cyclictest26-21ksoftirqd/123:39:021
6144996219,12cyclictest26-21ksoftirqd/100:10:141
6144996144,11cyclictest26-21ksoftirqd/100:00:161
6144996122,14cyclictest26-21ksoftirqd/120:30:011
6144996121,12cyclictest26-21ksoftirqd/120:40:001
614199618,46cyclictest0-21swapper/022:05:160
614199618,46cyclictest0-21swapper/022:05:150
6141996117,17cyclictest250-21systemd-journal19:40:000
6144996021,13cyclictest26-21ksoftirqd/122:10:001
6144996021,13cyclictest26-21ksoftirqd/122:10:001
6144996020,13cyclictest26-21ksoftirqd/121:39:001
6141996036,17cyclictest14-21ksoftirqd/021:55:380
6141996035,19cyclictest14-21ksoftirqd/022:13:300
6141996029,16cyclictest14-21ksoftirqd/000:00:200
6141996024,23cyclictest14-21ksoftirqd/021:35:170
6141996021,23cyclictest14-21ksoftirqd/023:45:330
6144995935,9cyclictest26-21ksoftirqd/120:11:541
6144995927,14cyclictest26-21ksoftirqd/123:35:001
6144995922,13cyclictest26-21ksoftirqd/121:05:011
6144995912,19cyclictest151rcu_preempt00:00:021
614199598,45cyclictest0-21swapper/021:50:130
6141995935,9cyclictest14-21ksoftirqd/020:47:300
6141995935,18cyclictest14-21ksoftirqd/020:06:140
6141995935,18cyclictest14-21ksoftirqd/020:06:130
214042597,10sleep10-21swapper/122:50:331
6144995834,18cyclictest26-21ksoftirqd/120:24:031
6144995821,13cyclictest26-21ksoftirqd/122:50:021
6144995821,13cyclictest26-21ksoftirqd/120:50:051
6144995819,12cyclictest26-21ksoftirqd/122:00:011
614199589,44cyclictest0-21swapper/023:25:140
6141995835,8cyclictest14-21ksoftirqd/021:31:400
6141995835,8cyclictest14-21ksoftirqd/021:31:400
6141995834,9cyclictest14-21ksoftirqd/019:55:030
6141995811,30cyclictest151rcu_preempt19:15:020
6144995732,9cyclictest26-21ksoftirqd/119:20:421
6144995727,9cyclictest26-21ksoftirqd/119:39:361
6144995726,27cyclictest0-21swapper/121:45:211
6144995717,13cyclictest26-21ksoftirqd/123:30:001
6141995737,16cyclictest14-21ksoftirqd/022:00:180
6141995736,8cyclictest14-21ksoftirqd/022:37:490
6141995734,8cyclictest14-21ksoftirqd/023:42:190
614199573,19cyclictest4642-21/usr/sbin/munin23:35:330
6144995634,8cyclictest26-21ksoftirqd/119:16:081
6144995633,8cyclictest26-21ksoftirqd/122:59:421
6144995633,8cyclictest26-21ksoftirqd/122:59:421
6144995632,9cyclictest26-21ksoftirqd/122:21:531
614199569,40cyclictest0-21swapper/022:15:140
614199569,16cyclictest0-21swapper/022:55:140
614199569,16cyclictest0-21swapper/022:55:140
614199566,42cyclictest4677-21apt-get20:35:170
614199564,35cyclictest14-21ksoftirqd/020:00:300
614199564,18cyclictest17128-21diskmemload21:10:000
6141995633,17cyclictest14-21ksoftirqd/000:06:160
6141995632,8cyclictest14-21ksoftirqd/000:28:060
6141995629,23cyclictest14-21ksoftirqd/021:03:420
6141995626,9cyclictest14-21ksoftirqd/021:20:390
6141995622,19cyclictest14-21ksoftirqd/000:30:150
6141995615,25cyclictest151rcu_preempt00:35:370
6144995539,11cyclictest26-21ksoftirqd/119:55:131
6144995532,8cyclictest26-21ksoftirqd/122:39:581
6144995531,18cyclictest250-21systemd-journal19:30:001
6144995530,9cyclictest26-21ksoftirqd/122:41:521
6144995530,9cyclictest26-21ksoftirqd/122:41:521
6144995521,16cyclictest250-21systemd-journal21:30:381
6144995521,16cyclictest250-21systemd-journal21:30:381
614199558,16cyclictest0-21swapper/020:15:140
6141995537,12cyclictest0-21swapper/022:50:140
614199553,47cyclictest18559-21runrttasks19:41:590
6141995533,17cyclictest14-21ksoftirqd/019:30:180
6141995533,17cyclictest14-21ksoftirqd/019:30:170
6141995532,8cyclictest14-21ksoftirqd/023:31:380
6141995532,8cyclictest14-21ksoftirqd/022:31:160
6141995517,32cyclictest28248-21aten2.4-expect20:10:190
614499547,16cyclictest0-21swapper/122:15:131
6144995433,8cyclictest26-21ksoftirqd/120:49:421
6144995431,8cyclictest26-21ksoftirqd/123:44:421
6141995428,10cyclictest14-21ksoftirqd/000:24:550
6144995331,18cyclictest26-21ksoftirqd/121:40:581
6144995329,9cyclictest26-21ksoftirqd/121:10:011
6144995322,14cyclictest26-21ksoftirqd/120:07:181
6144995322,14cyclictest26-21ksoftirqd/120:07:181
6144995321,14cyclictest26-21ksoftirqd/100:09:011
6144995317,8cyclictest21767-21/usr/sbin/munin00:25:241
614199535,43cyclictest0-21swapper/020:32:310
6141995333,16cyclictest14-21ksoftirqd/023:00:170
614199533,13cyclictest17432-21df_inode22:40:210
614199533,13cyclictest17432-21df_inode22:40:210
6141995329,11cyclictest14-21ksoftirqd/019:50:370
6144995231,8cyclictest26-21ksoftirqd/100:17:541
614499523,18cyclictest1-21systemd19:15:011
6144995230,8cyclictest26-21ksoftirqd/120:44:591
6144995230,16cyclictest8119-21cron22:15:001
6144995223,13cyclictest26-21ksoftirqd/121:30:001
614199527,40cyclictest448-21dbus-daemon22:50:000
614199525,43cyclictest0-21swapper/022:25:340
614199525,10cyclictest0-21swapper/020:20:250
6141995234,9cyclictest14-21ksoftirqd/020:55:140
614199523,12cyclictest6566-21df19:10:200
6141995230,9cyclictest14-21ksoftirqd/019:26:210
6141995230,8cyclictest14-21ksoftirqd/023:50:530
6141995221,26cyclictest0-21swapper/023:07:210
6144995131,16cyclictest26-21ksoftirqd/121:51:261
6144995131,16cyclictest26-21ksoftirqd/120:59:171
6144995128,9cyclictest26-21ksoftirqd/100:22:251
6144995124,12cyclictest26-21ksoftirqd/123:10:161
614199516,40cyclictest0-21swapper/023:10:240
614199515,41cyclictest0-21swapper/021:49:550
6141995137,10cyclictest0-21swapper/020:40:380
6141995131,16cyclictest14-21ksoftirqd/019:20:160
6141995131,16cyclictest14-21ksoftirqd/000:10:270
6141995130,8cyclictest14-21ksoftirqd/020:27:270
614499506,11cyclictest0-21swapper/120:15:231
6144995038,8cyclictest26-21ksoftirqd/123:15:151
6144995030,16cyclictest26-21ksoftirqd/119:33:531
6144995030,16cyclictest26-21ksoftirqd/119:33:521
6144995029,8cyclictest26-21ksoftirqd/123:04:451
6144995029,8cyclictest26-21ksoftirqd/122:26:221
6144995025,19cyclictest448-21dbus-daemon23:55:011
614499502,18cyclictest22319-21latency_hist19:55:011
614199507,12cyclictest0-21swapper/019:45:120
6141995031,15cyclictest14-21ksoftirqd/022:23:510
6141995028,9cyclictest14-21ksoftirqd/021:25:030
6141995018,28cyclictest17435-21telnet21:10:190
6144994929,8cyclictest26-21ksoftirqd/122:32:181
6144994928,8cyclictest26-21ksoftirqd/119:45:541
6144994921,24cyclictest0-21swapper/123:07:211
6144994921,12cyclictest26-21ksoftirqd/121:23:191
614499483,38cyclictest2984-21diskstats20:30:231
614499477,25cyclictest17305-21apt-get21:10:181
614499474,12cyclictest25588-21diskstats00:35:221
6144994733,9cyclictest26-21ksoftirqd/122:00:251
6144994733,8cyclictest26-21ksoftirqd/121:15:391
614499473,17cyclictest8567-21users23:45:371
6144994625,16cyclictest26-21ksoftirqd/100:30:131
614499423,22cyclictest31115-21aten2.4_r3power23:20:161
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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