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2023-12-09 - 00:40
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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 rackcslot5.osadl.org (updated Fri Dec 08, 2023 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112572680,1sleep028220-21diskmemload09:50:230
106392570,0sleep00-21swapper/009:49:410
1541799500,48cyclictest15147-21meminfo10:00:280
1541799490,48cyclictest2154-21meminfo09:25:230
1541799490,47cyclictest26269-21meminfo10:30:230
1541799470,45cyclictest21732-21meminfo11:45:260
1541799460,44cyclictest2344-21meminfo12:20:260
1541899440,42cyclictest22576-21meminfo10:20:261
1541799430,42cyclictest3167-21meminfo10:55:260
1541799430,41cyclictest21539-21meminfo08:50:250
1541799420,41cyclictest8523-21meminfo08:15:300
1541799410,39cyclictest392-21meminfo12:15:280
1541799410,39cyclictest16163-21meminfo11:30:270
1541899400,39cyclictest23394-21meminfo08:55:271
1541899400,39cyclictest18006-21meminfo11:35:231
1541899400,38cyclictest5031-21meminfo11:00:261
1541899390,38cyclictest12260-21meminfo08:25:241
1541899390,37cyclictest17457-21meminfo07:15:011
1541899390,37cyclictest16998-21meminfo10:05:251
1541799390,37cyclictest6658-21meminfo12:35:250
1541899380,36cyclictest9569-21meminfo09:45:241
1541799381,35cyclictest8732-21meminfo11:10:260
1541799380,37cyclictest1270-21meminfo10:50:220
1541799380,36cyclictest19692-21meminfo08:45:260
1541799370,36cyclictest30807-21meminfo09:15:230
1541799370,36cyclictest27301-21meminfo12:00:270
1541899360,34cyclictest25908-21meminfo07:35:221
1541799360,35cyclictest22170-21meminfo07:25:260
1541799360,34cyclictest6883-21meminfo11:05:260
1541799360,34cyclictest20312-21meminfo07:20:240
1541799360,34cyclictest19882-21meminfo11:40:250
1541799360,34cyclictest13271-21meminfo09:55:240
1541899350,34cyclictest4821-21meminfo08:05:291
1541799350,33cyclictest5033-21meminfo11:00:250
1541799350,33cyclictest18005-21meminfo11:35:230
1541899340,33cyclictest10410-21meminfo08:20:241
1541899340,32cyclictest17840-21meminfo08:40:261
15418993331,1cyclictest8232-21tune2fs08:15:221
1541799330,32cyclictest31005-21meminfo12:10:290
1541899320,30cyclictest7723-21meminfo09:40:261
1541899320,30cyclictest2818-21meminfo08:00:271
1541899310,30cyclictest28122-21meminfo10:35:251
1541899300,29cyclictest6670-21meminfo08:10:281
1541899300,29cyclictest24018-21meminfo07:30:231
1541799300,29cyclictest29631-21meminfo07:45:270
1541799300,28cyclictest20701-21meminfo10:15:250
1541899290,28cyclictest24426-21meminfo10:25:251
1541899290,28cyclictest23585-21meminfo11:50:281
1541799290,28cyclictest18854-21meminfo10:10:270
1541799290,27cyclictest29998-21meminfo10:40:270
1541799290,27cyclictest28966-21meminfo09:10:280
1541899280,27cyclictest30809-21meminfo09:15:231
1541899270,26cyclictest32688-21meminfo09:20:281
1541799270,26cyclictest25432-21meminfo11:55:260
1541899260,25cyclictest15971-21meminfo08:35:271
1541799260,25cyclictest27780-21meminfo07:40:260
1541899230,21cyclictest31845-21meminfo10:45:271
1541799230,22cyclictest16018-21meminfo07:10:250
1541899220,21cyclictest6660-21meminfo12:35:251
1541899220,21cyclictest31477-21meminfo07:50:261
1541899220,21cyclictest27300-21meminfo12:00:271
1541799220,21cyclictest5853-21meminfo09:35:250
1541899210,20cyclictest12450-21meminfo11:20:251
1541799190,18cyclictest10580-21meminfo11:15:260
1541899180,17cyclictest10579-21meminfo11:15:261
1541799180,17cyclictest18442-21meminfo07:15:250
1541799180,17cyclictest16999-21meminfo10:05:240
1541899175,10cyclictest22531-21taskset11:46:461
1541899170,16cyclictest15146-21meminfo10:00:281
1541799170,17cyclictest24424-21meminfo10:25:250
1541799170,16cyclictest7724-21meminfo09:40:260
15418991613,2cyclictest9845-21munin-run11:14:591
1541799163,11cyclictest32121-21apt-get09:20:210
15417991614,1cyclictest0-21swapper/008:09:440
1541799160,15cyclictest29150-21meminfo12:05:240
1541799160,15cyclictest14111-21meminfo08:30:270
15418991513,1cyclictest0-21swapper/111:55:241
1541799152,12cyclictest181rcuc/008:10:230
1541799150,14cyclictest4800-21meminfo12:30:190
1541799150,14cyclictest31846-21meminfo10:45:260
135442152,2sleep00-21swapper/007:05:090
1541899140,6cyclictest28220-21diskmemload09:25:251
1541799145,7cyclictest27554-21/usr/sbin/munin10:35:230
1541899134,3cyclictest0-21swapper/109:30:251
1541899131,11cyclictest32065-21sshd12:14:381
15418991311,1cyclictest0-21swapper/110:20:001
15418991310,2cyclictest0-21swapper/110:00:001
1541899130,12cyclictest25255-21meminfo09:00:231
1541899130,12cyclictest17090-21runrttasks07:14:441
1541799131,4cyclictest3436-21apt-get09:30:180
152312132,2sleep10-21swapper/107:10:001
1541899129,2cyclictest5098-21gzip12:30:221
1541899129,2cyclictest3385-21tr10:55:301
1541899129,2cyclictest22457-21chrt08:53:031
1541899129,2cyclictest14032-21cut08:30:261
1541899129,2cyclictest12309-21taskset09:52:411
1541899123,6cyclictest0-21swapper/112:15:331
15418991211,1cyclictest2463-21ntp_kernel_err12:20:291
15418991210,2cyclictest271ktimers/107:47:241
1541799129,2cyclictest31445-21cat07:50:240
1541799129,2cyclictest23223-21cut11:50:210
1541799129,2cyclictest16228-21cut08:35:300
1541799129,2cyclictest13941-21tune2fs11:25:220
1541799129,2cyclictest12470-21sed08:25:270
1541799122,8cyclictest22011-21apt-get10:20:200
1541799121,4cyclictest0-21swapper/008:20:180
1541899119,1cyclictest309132sleep110:43:051
1541899119,1cyclictest28949-21cut07:45:011
1541899119,1cyclictest21581-21chrt07:25:091
1541899119,1cyclictest20413-21cat11:40:311
1541899119,1cyclictest19579-21taskset10:10:591
1541899119,1cyclictest137252sleep111:25:141
1541899119,1cyclictest1262-21load10:50:221
1541899119,1cyclictest0-21swapper/112:26:221
1541899118,2cyclictest28805-21cat09:10:251
1541899118,2cyclictest27474-21cut09:05:301
1541899118,2cyclictest26877-21sed10:30:291
1541899118,2cyclictest20920-21tail07:20:311
1541899118,2cyclictest1016-21nfs4_client07:55:281
1541899110,6cyclictest6193-21mailstats09:35:281
1541899110,10cyclictest78202sleep111:08:181
1541899110,10cyclictest29873-21seq12:05:551
1541899110,10cyclictest15671-21cpuspeed_turbos11:30:221
1541799119,1cyclictest266852sleep007:36:310
1541799118,2cyclictest567-21systemd-journal09:00:260
1541799118,2cyclictest399-21cut07:55:210
1541799118,2cyclictest2896-21cut08:00:290
1541799118,2cyclictest17749-21irqstats08:40:250
1541799118,2cyclictest13082-21grep11:20:320
1541799113,6cyclictest24325-21/usr/sbin/munin07:30:270
1541799113,5cyclictest4068-21munin-run12:30:010
1541899104,5cyclictest0-21swapper/108:45:291
1541799108,1cyclictest23949-21grep08:55:340
1541799103,6cyclictest26541-21apt-get09:05:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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