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2025-08-26 - 19:07
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack7slot2.osadl.org (updated Tue Aug 26, 2025 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25873299116106,8cyclictest268974-21kworker/u4:19+events_unbound07:50:301
258732998475,7cyclictest258666-21kworker/u4:11+events_unbound08:20:001
258732998173,6cyclictest53-21kswapd010:50:121
258729997964,12cyclictest53-21kswapd010:35:050
258732997465,6cyclictest53-21kswapd010:15:231
258729997252,14cyclictest386115-21kworker/u4:6+events_unbound11:50:160
258729996859,6cyclictest281909-21kworker/u4:11+events_unbound09:00:010
258732996756,8cyclictest0-21swapper/108:45:391
258729996745,9cyclictest308320-21ntpq09:35:290
258729996636,18cyclictest429516-21basename12:25:140
258732996557,6cyclictest53-21kswapd009:55:421
258729996533,12cyclictest374507-21ntpq11:10:320
258729996454,7cyclictest404884-21kworker/u4:11+events_unbound11:56:240
258729996441,8cyclictest339006-21fschecks_count10:20:200
258732996356,5cyclictest53-21kswapd010:00:161
258732996346,7cyclictest53-21kswapd011:15:151
258729996243,11cyclictest271551-21kworker/u4:1808:00:000
258729996240,9cyclictest315213-21ssh09:45:260
258729996238,18cyclictest414154-21apt-get12:05:150
258729996149,8cyclictest379303-21kworker/u4:9+events_unbound11:21:160
258729996133,11cyclictest387378-21modprobe11:30:000
258732996049,9cyclictest364721-21systemd10:56:101
258729995948,8cyclictest273221-21df08:05:180
258729995941,13cyclictest258727-21cyclictest07:10:010
258729995939,14cyclictest437229-21ssh12:35:140
258729995938,17cyclictest378114-21ssh11:15:360
258729995931,25cyclictest399829-21ntpq11:45:290
258732995853,4cyclictest271ktimers/109:42:001
258732995851,5cyclictest272401-21sshd08:00:321
258729995849,6cyclictest281911-21kworker/u4:14+events_unbound08:40:410
258729995836,9cyclictest297822-21ntpq09:20:330
258729995829,12cyclictest352664-21ssh10:40:130
258729995826,28cyclictest1060-21snmpd09:55:350
258729995749,6cyclictest404886-21kworker/u4:13+events_unbound12:01:240
258732995645,8cyclictest0-21swapper/107:35:271
258732995640,11cyclictest271549-21modprobe07:59:591
258729995646,8cyclictest280616-21systemd08:30:400
258729995643,10cyclictest328550-21apt-get10:05:150
258729995639,12cyclictest360304-21ntpq10:50:230
258729995638,12cyclictest388322-21ntpq11:30:280
258729995634,16cyclictest367388-21/usr/sbin/munin11:00:260
258732995549,4cyclictest53-21kswapd012:15:131
258732995540,11cyclictest0-21swapper/107:40:281
258732995520,13cyclictest0-21swapper/111:00:381
258729995540,11cyclictest422574-21ntpq12:15:330
258729995535,11cyclictest418684-21ntpq12:10:310
258729995530,9cyclictest433408-21apt-get12:30:160
258729995530,9cyclictest433408-21apt-get12:30:160
258729995527,23cyclictest284770-21apt-get08:50:130
258729995527,23cyclictest284770-21apt-get08:50:120
258732995445,6cyclictest263833-21kworker/u4:0+events_unbound08:25:371
258732995444,8cyclictest371734-21sshd11:06:131
258729995440,9cyclictest266026-21ps07:35:420
258729995439,10cyclictest426494-21ps12:20:390
258729995435,15cyclictest290042-21apt-get09:10:160
258729995433,11cyclictest0-21swapper/010:55:330
258732995346,5cyclictest424034-21kworker/u4:5+events_unbound12:20:191
258732995343,7cyclictest308747-21unixbench-2d09:35:391
258729995346,5cyclictest258727-21cyclictest08:10:340
258729995337,11cyclictest267190-21ntpq07:40:260
258729995327,10cyclictest370853-21ntpq11:05:250
258729995327,10cyclictest287907-21ntpq09:00:250
258732995245,5cyclictest281822-21unixbench_multi08:35:381
258732995243,6cyclictest408389-21sshd11:56:231
258732995243,6cyclictest315812-21unixbench_singl09:45:401
258732995240,9cyclictest411375-21proc_pri12:00:371
258732995239,8cyclictest402588-21modprobe11:50:001
258729995244,6cyclictest343987-21kworker/u4:0+events_unbound10:46:100
258729995244,5cyclictest325067-21basename10:00:180
258729995236,12cyclictest278836-21ntpq08:25:260
258729995235,14cyclictest311175-21apt-get09:40:120
258729995234,15cyclictest259482-21ntpq07:10:280
258729995234,12cyclictest318111-21ssh09:50:120
258729995234,12cyclictest289180-21sshd09:05:300
258729995233,12cyclictest342720-21ssh10:25:260
258729995232,13cyclictest396151-21ntpq11:40:360
258729995224,12cyclictest301107-21cat09:25:200
258729995221,28cyclictest391706-21df11:35:200
258729995221,28cyclictest391706-21df11:35:190
258732995145,4cyclictest261959-21sshd07:20:251
258732995140,9cyclictest357249-21/usr/sbin/munin10:45:401
258729995142,6cyclictest265143-21sh07:35:010
258729995136,12cyclictest269168-21apt-get07:50:120
258729995135,8cyclictest303777-21apt-get09:30:100
258729995133,15cyclictest284148-21ntpq08:45:370
258732995043,5cyclictest384225-21wget11:25:151
258732995036,10cyclictest53-21kswapd011:50:161
258729995035,12cyclictest294451-21ps09:15:390
258729995035,11cyclictest336159-21ntpq10:15:280
258729995035,10cyclictest268602-21ps07:45:360
258729995033,13cyclictest345644-21ssh10:30:210
258729995032,10cyclictest332695-21ntpq10:10:290
258729995031,15cyclictest280822-21apt-get08:35:120
258729995023,10cyclictest263869-21grep07:30:000
258732994941,6cyclictest430661-21grep12:25:401
258732994941,5cyclictest377119-21cat11:15:011
258732994940,7cyclictest0-21swapper/110:20:301
258732994940,6cyclictest418322-21ssh12:10:241
258732994937,10cyclictest319062-21/usr/sbin/munin09:50:371
258729994932,11cyclictest275590-21apt-get08:15:150
258729994931,15cyclictest272413-21ntpq08:00:340
258732994841,5cyclictest345338-21idleruntime-cro10:30:001
258732994840,5cyclictest348787-21apt-get10:35:081
258732994838,8cyclictest437643-21gltestperf12:35:221
258732994838,7cyclictest388092-21gltestperf11:30:231
258732994838,7cyclictest353855-21unixbench_multi10:40:411
258732994838,7cyclictest303756-21cron09:30:001
258732994838,7cyclictest278175-21latency_hist08:25:021
258729994827,16cyclictest1-21systemd07:15:230
258732994740,5cyclictest293628-21aten_r7power_en09:15:181
258732994739,5cyclictest433791-21fschecks_time12:30:241
258732994739,5cyclictest433791-21fschecks_time12:30:231
258732994739,5cyclictest259876-21unixbench_multi07:10:381
258732994739,5cyclictest0-21swapper/109:30:451
258732994738,7cyclictest414564-21fschecks_time12:05:201
258732994738,7cyclictest283289-21latency_hist08:45:001
258732994737,7cyclictest379304-21kworker/u4:10-rpciod11:20:221
258732994737,7cyclictest0-21swapper/110:30:301
258729994735,9cyclictest262061-21ntpq07:20:300
258729994732,12cyclictest277602-21ntpq08:20:340
258732994638,5cyclictest275525-21latency_hist08:15:011
258732994638,5cyclictest268799-21timerwakeupswit07:45:381
258732994638,5cyclictest0-21swapper/111:35:271
258732994638,5cyclictest0-21swapper/111:35:261
258732994637,6cyclictest0-21swapper/107:25:261
258732994636,8cyclictest398863-21ls11:45:001
258732994536,6cyclictest264295-21fschecks_count07:30:181
258732994437,5cyclictest284962-21df_abs08:50:181
258732994437,5cyclictest284962-21df_abs08:50:171
258732994434,8cyclictest332465-21gltestperf10:10:231
258732994434,7cyclictest0-21swapper/109:20:131
258732994332,8cyclictest289898-21sed09:10:021
258732994332,7cyclictest0-21swapper/110:05:261
258732994235,5cyclictest279734-21sed08:30:171
258732994233,6cyclictest0-21swapper/109:10:461
258732994135,4cyclictest0-21swapper/107:15:401
258732994133,6cyclictest287668-21fschecks_time09:00:201
258732994132,7cyclictest0-21swapper/109:00:001
258732993831,5cyclictest0-21swapper/108:05:331
258732993629,4cyclictest0-21swapper/107:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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