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2025-07-12 - 11:26
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot2.osadl.org (updated Fri Jul 11, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3274712234184,40sleep30-21swapper/307:08:323
3272812231203,18sleep10-21swapper/107:06:051
3274142224195,18sleep00-21swapper/007:07:480
3275622218190,19sleep20-21swapper/207:09:392
327789997056,2cyclictest358888-21/usr/share/muni07:45:010
327792996041,11cyclictest514728-13chrome10:45:001
327796995756,0cyclictest347106-21awk07:30:112
327789995756,0cyclictest347107-21awk07:30:110
32778999574,51cyclictest514803-21chrome10:45:010
327792995649,6cyclictest450078-21/usr/share/muni09:30:021
327796995019,29cyclictest506222-21/usr/share/muni10:35:032
32779299480,47cyclictest0-21swapper/107:29:111
327792994640,4cyclictest0-21swapper/108:45:011
327789994542,2cyclictest463229-13chrome09:45:010
327789994432,12cyclictest155526-1kworker/0:1H+kblockd10:58:380
327796994340,2cyclictest514916-21kworker/2:2+pm11:15:072
327792994340,2cyclictest423654-21kworker/u8:1+events_unbound10:45:001
327796994232,9cyclictest3075615-1kworker/2:1H+kblockd07:45:122
327789994237,4cyclictest520887-21apt-get10:50:140
327796994138,2cyclictest514916-21kworker/2:2+pm12:18:062
327796994138,2cyclictest514916-21kworker/2:2+pm12:18:062
327796994138,2cyclictest428112-21kworker/2:0+pm10:06:232
327796994138,2cyclictest337032-21kworker/2:2+pm07:40:182
327799994038,1cyclictest514809-21ThreadPoolForeg10:45:003
327796994038,1cyclictest428112-21kworker/2:0+pm10:13:302
327796994037,2cyclictest514916-21kworker/2:2+pm11:25:172
327796994037,2cyclictest428112-21kworker/2:0+pm09:30:562
327796994037,2cyclictest337032-21kworker/2:2+pm07:55:272
327796994037,1cyclictest514916-21kworker/2:2+pm12:01:532
327792994037,2cyclictest314793-21kworker/u8:3+flush-179:007:10:051
327792994036,3cyclictest531506-21kworker/u8:3+flush-179:011:25:051
327799993936,2cyclictest155917-1kworker/3:2H+kblockd12:33:393
327799993934,3cyclictest467764-21/usr/share/muni09:50:123
327799993933,5cyclictest435725-21ntpq09:10:233
327799993932,6cyclictest550293-21ntpq11:25:093
327796993937,1cyclictest514916-21kworker/2:2+pm11:51:092
327796993937,1cyclictest428112-21kworker/2:0+pm09:40:412
327796993937,1cyclictest337032-21kworker/2:2+pm08:10:422
327796993937,1cyclictest3075615-1kworker/2:1H+kblockd09:51:032
327796993936,2cyclictest514916-21kworker/2:2+pm11:55:042
327796993936,2cyclictest428112-21kworker/2:0+pm10:01:322
327796993936,2cyclictest428112-21kworker/2:0+pm09:36:122
327796993936,2cyclictest384706-21kworker/2:0+pm08:30:182
327796993936,2cyclictest384706-21kworker/2:0+pm08:20:022
327796993935,2cyclictest384706-21kworker/2:0+pm08:35:032
327792993936,2cyclictest458390-21kworker/u8:5+flush-179:009:45:161
327792993936,2cyclictest419312-21kworker/u8:0+flush-179:008:55:061
327792993936,2cyclictest314793-21kworker/u8:3+flush-179:008:15:101
327789993937,1cyclictest310630-21kworker/0:2+pm07:25:250
327799993834,2cyclictest155917-1kworker/3:2H+kblockd11:15:043
327796993836,2cyclictest384706-21kworker/2:0+pm08:40:112
327796993836,1cyclictest514916-21kworker/2:2+pm11:22:412
327796993836,1cyclictest514916-21kworker/2:2+pm11:10:592
327796993836,1cyclictest514916-21kworker/2:2+pm11:05:122
327796993836,1cyclictest514916-21kworker/2:2+pm11:00:172
327796993836,1cyclictest428112-21kworker/2:0+pm09:11:012
327796993836,1cyclictest415314-21kworker/2:2+pm08:50:102
327796993836,1cyclictest384706-21kworker/2:0+pm08:25:012
327796993836,1cyclictest301769-21kworker/2:1+pm07:15:412
327796993835,2cyclictest479463-21kworker/u8:3+flush-179:010:15:172
327796993835,2cyclictest428112-21kworker/2:0+pm09:05:032
327796993835,2cyclictest337032-21kworker/2:2+pm07:35:152
327796993835,2cyclictest337032-21kworker/2:2+pm07:25:032
327796993835,2cyclictest301769-21kworker/2:1+pm07:20:502
327796993835,2cyclictest301769-21kworker/2:1+pm07:20:502
327796993835,2cyclictest301769-21kworker/2:1+pm07:10:002
327792993836,1cyclictest557438-21kworker/1:2+pm12:00:001
327792993834,3cyclictest423654-21kworker/u8:1+flush-179:009:55:151
327792993831,6cyclictest123613-1kworker/1:0H+kblockd10:35:491
327792993831,6cyclictest123613-1kworker/1:0H+kblockd07:15:151
32779299380,37cyclictest0-21swapper/110:58:481
327799993734,2cyclictest407080-21kworker/3:2+pm08:50:103
327799993734,2cyclictest155917-1kworker/3:2H+kblockd12:00:163
327799993734,2cyclictest155917-1kworker/3:2H+kblockd11:51:163
327799993734,2cyclictest155917-1kworker/3:2H+kblockd11:23:423
327799993734,2cyclictest155917-1kworker/3:2H+kblockd10:10:103
327799993734,2cyclictest155917-1kworker/3:2H+kblockd07:35:593
327796993735,1cyclictest514916-21kworker/2:2+pm11:45:212
327796993735,1cyclictest514916-21kworker/2:2+pm10:45:252
327796993735,1cyclictest337032-21kworker/2:2+pm08:15:042
327796993735,1cyclictest337032-21kworker/2:2+pm08:05:372
327796993734,2cyclictest415314-21kworker/2:2+pm09:00:102
327796993734,2cyclictest337032-21kworker/2:2+pm08:00:032
327796993734,2cyclictest3075615-1kworker/2:1H+kblockd09:20:292
327792993734,2cyclictest123613-1kworker/1:0H+kblockd11:45:011
327792993734,2cyclictest123613-1kworker/1:0H+kblockd09:40:561
327792993730,4cyclictest440925-21munin-update09:20:041
327789993734,2cyclictest155526-1kworker/0:1H+kblockd09:23:550
327799993634,1cyclictest155917-1kworker/3:2H+kblockd12:24:013
327799993634,1cyclictest155917-1kworker/3:2H+kblockd08:59:123
327799993634,1cyclictest155917-1kworker/3:2H+kblockd08:45:403
327799993633,2cyclictest155917-1kworker/3:2H+kblockd09:49:123
327799993633,2cyclictest155917-1kworker/3:2H+kblockd08:40:063
327799993633,2cyclictest155917-1kworker/3:2H+kblockd07:21:583
327799993633,2cyclictest155917-1kworker/3:2H+kblockd07:21:583
327796993635,1cyclictest384706-21kworker/2:0+pm08:45:122
327796993634,1cyclictest514916-21kworker/2:2+pm12:30:042
327796993634,1cyclictest514916-21kworker/2:2+pm11:32:172
327796993634,1cyclictest514916-21kworker/2:2+pm10:52:082
327796993634,1cyclictest3075615-1kworker/2:1H+kblockd12:05:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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