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2023-10-04 - 05:38
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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 all highest latencies:
System rackcslot5.osadl.org (updated Wed Oct 04, 2023 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1117999500,48cyclictest5115-21meminfo21:45:261
1117899500,48cyclictest26360-21meminfo21:15:270
1117899480,46cyclictest2239-21meminfo20:10:290
1117899470,45cyclictest13384-21meminfo20:40:270
1117999460,44cyclictest18115-21meminfo22:20:241
1117999450,44cyclictest11699-21meminfo23:30:241
1117899440,42cyclictest13550-21meminfo23:35:230
1117899430,41cyclictest21815-21meminfo22:30:260
1117899430,41cyclictest15429-21meminfo23:40:280
1117999420,40cyclictest3440-21meminfo00:35:261
1117899410,40cyclictest10689-21meminfo22:00:290
1117999390,38cyclictest32765-21meminfo20:05:261
1117999390,38cyclictest16241-21meminfo22:15:241
1117899380,36cyclictest6961-21meminfo21:50:230
1117899380,36cyclictest24511-21meminfo21:10:290
1117999370,36cyclictest11781-21meminfo19:10:291
1117999370,35cyclictest13510-21meminfo19:15:011
1117899370,36cyclictest23500-21meminfo19:40:280
1117899370,35cyclictest6126-21meminfo23:15:260
1117899370,35cyclictest20802-21meminfo21:00:260
1117999360,35cyclictest7998-21meminfo23:20:261
1117999360,34cyclictest17277-21meminfo23:45:251
1117899360,35cyclictest30077-21meminfo21:25:240
1117899360,34cyclictest7808-21meminfo20:25:270
1117999350,34cyclictest2424-21meminfo23:05:271
1117999340,32cyclictest8820-21meminfo21:55:271
1117899340,32cyclictest31929-21meminfo21:30:270
1117899330,32cyclictest27199-21meminfo19:50:280
1117899330,31cyclictest25530-21meminfo22:40:220
1117999320,31cyclictest17083-21meminfo20:50:251
1117999320,30cyclictest19123-21meminfo23:50:251
1117899320,30cyclictest4082-21meminfo20:15:240
1117899320,30cyclictest29233-21meminfo22:50:240
1117899310,30cyclictest5951-21meminfo20:20:230
1117899310,29cyclictest31089-21meminfo22:55:280
1117899310,29cyclictest28228-21meminfo21:20:260
1117999300,29cyclictest9847-21meminfo23:25:261
1117999300,28cyclictest4277-21meminfo23:10:271
1117899300,28cyclictest8821-21meminfo21:55:280
1117899300,28cyclictest18932-21meminfo20:55:260
1117899290,28cyclictest30915-21meminfo20:00:280
1117999280,27cyclictest25346-21meminfo19:45:251
1117899280,26cyclictest498-21meminfo23:00:270
1117899280,26cyclictest11516-21meminfo20:35:280
1117899270,26cyclictest15237-21meminfo20:45:280
1117999250,24cyclictest26550-21meminfo00:10:271
1117999250,24cyclictest22847-21meminfo00:00:271
1117899250,24cyclictest16073-21meminfo19:20:220
1117999240,22cyclictest20803-21meminfo21:00:251
1117899240,23cyclictest22649-21meminfo21:05:240
1117899240,23cyclictest22649-21meminfo21:05:230
1117899240,23cyclictest21627-21meminfo19:35:260
1117999230,22cyclictest19964-21meminfo22:25:261
1117899230,22cyclictest24692-21meminfo00:05:230
1117899230,22cyclictest17926-21meminfo19:25:260
1117899230,22cyclictest12555-21meminfo22:05:340
1117999220,21cyclictest1558-21meminfo00:30:251
1117899220,21cyclictest14394-21meminfo22:10:260
1117899210,20cyclictest28398-21meminfo00:15:250
1117899210,20cyclictest19779-21meminfo19:30:250
1117899210,20cyclictest17276-21meminfo23:45:250
199832190,1sleep00-21swapper/023:52:250
1117899190,18cyclictest9654-21meminfo20:30:260
1117899190,18cyclictest23668-21meminfo22:35:280
1117999180,17cyclictest27389-21meminfo22:45:271
1117999170,16cyclictest25529-21meminfo22:40:221
1117999170,15cyclictest21628-21meminfo19:35:261
1117899176,6cyclictest1482-21munin-run20:10:010
1117899174,6cyclictest3540-21munin-run23:10:000
1117899160,15cyclictest32119-21meminfo00:25:240
1117899160,15cyclictest29043-21meminfo19:55:230
1117999150,14cyclictest30269-21meminfo00:20:261
11178991510,4cyclictest0-21swapper/000:30:130
1117999143,8cyclictest17207-21awk19:25:011
11179991411,2cyclictest25932-21latency_hist00:10:011
11179991411,2cyclictest14707-21latency_hist23:40:001
1117999140,13cyclictest21814-21meminfo22:30:251
1117899142,9cyclictest0-21swapper/021:36:060
11178991410,3cyclictest2027-21runrttasks21:45:380
1117899140,7cyclictest0-21swapper/000:10:200
1117899140,13cyclictest3267-21meminfo21:40:270
102822141,9sleep010428-21sed19:05:300
1117999139,3cyclictest2323-21needreboot20:10:311
1117999134,8cyclictest10150-21timerwakeupswit20:30:321
1117999130,6cyclictest0-21swapper/120:45:211
1117999130,12cyclictest20977-21meminfo23:55:251
1117899135,5cyclictest3709-21apt-get23:10:210
11178991310,2cyclictest29853-21expr00:20:220
11178991310,2cyclictest18145-21missed_timers22:20:250
1117999129,2cyclictest985-21timerandwakeup23:00:321
1117999129,2cyclictest6371-21proc_pri23:15:301
1117999129,2cyclictest30709-21head21:25:311
1117999129,2cyclictest28010-21seq19:51:561
1117999129,2cyclictest24101-21cat22:35:341
1117999129,2cyclictest20486-21seq19:30:471
1117999129,2cyclictest14107-21chrt20:41:001
1117999129,2cyclictest11311-21cat20:35:271
1117999128,3cyclictest23764-21diskmemload00:18:351
1117999122,8cyclictest79480irq/131-ecat0-rx-022:14:311
11179991210,1cyclictest0-21swapper/120:05:011
1117999120,11cyclictest5839-21iwlist20:20:211
1117999120,11cyclictest18060-21tr19:25:271
1117899129,2cyclictest9097-21chrt23:24:590
1117899125,6cyclictest9436-21kworker/u4:3+rpciod23:29:500
1117899121,7cyclictest0-21swapper/022:15:180
11178991211,0cyclictest23764-21diskmemload23:55:140
11178991210,1cyclictest11852-21ntp_states23:30:270
93192112,2sleep10-21swapper/119:05:151
1117999119,1cyclictest7397-21expr20:25:231
1117999119,1cyclictest30610-21expr22:55:221
1117999119,1cyclictest289462sleep121:20:541
1117999119,1cyclictest25775-21taskset21:15:121
1117999119,1cyclictest15733-21gunzip23:40:311
1117999119,1cyclictest10125-21dpkg22:00:221
1117999118,2cyclictest6943-21cat21:50:211
1117999118,2cyclictest3601-21tr20:15:191
1117999118,2cyclictest31783-21if_eth221:30:251
1117999118,2cyclictest31773-21grep00:25:211
1117999118,2cyclictest29026-21cat22:50:211
1117999118,2cyclictest24058-21grep21:10:231
1117999118,2cyclictest23900-21switchtime19:40:331
1117999118,2cyclictest22725-21head21:05:261
1117999118,2cyclictest22725-21head21:05:251
1117999118,2cyclictest18933-21seq20:55:261
1117999118,2cyclictest12127-21expr22:05:261
1117999112,6cyclictest3986-21runrttasks21:40:561
1117999110,10cyclictest29362-21which19:55:271
1117899119,1cyclictest25198-21cat19:45:220
1117899119,1cyclictest239202sleep000:04:430
1117899119,1cyclictest19413-21egrep22:25:200
1117899119,1cyclictest17537-21expr20:50:310
1117899118,2cyclictest27525-21ntp_offset22:45:300
1117899118,2cyclictest13293-21uname19:15:010
1117899118,2cyclictest11813-21missed_timers19:10:300
1117899110,10cyclictest3795-21run-parts00:35:320
1117999107,2cyclictest1383-21sed21:35:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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