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2023-12-10 - 18:16
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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 792 highest latencies:
System rackcslot5.osadl.org (updated Sun Dec 10, 2023 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1569821040,0sleep1161rcu_preempt10:50:021
3039199480,46cyclictest20836-21meminfo09:35:251
3039199480,46cyclictest10376-21meminfo07:40:291
3039199470,45cyclictest4329-21meminfo11:45:241
3039199450,43cyclictest354-21meminfo08:40:261
3039199440,42cyclictest30947-21meminfo08:35:241
3039199440,42cyclictest18146-21meminfo10:55:261
3039199440,42cyclictest15286-21meminfo09:20:251
3039199430,41cyclictest8872-21meminfo10:30:241
3039199430,41cyclictest23718-21meminfo11:10:271
3039099430,41cyclictest6179-21meminfo11:50:240
3039099430,41cyclictest19177-21meminfo12:25:240
3039099420,40cyclictest25564-21meminfo11:15:250
3039199400,38cyclictest25395-21meminfo08:20:261
3039199400,38cyclictest14232-21meminfo07:50:281
3039099400,38cyclictest29286-21meminfo11:25:240
3039199390,38cyclictest28253-21meminfo09:55:251
3039199390,37cyclictest27249-21meminfo08:25:281
3039099390,38cyclictest5986-21meminfo08:55:240
3039099390,37cyclictest3299-21meminfo10:15:250
3039099390,37cyclictest18147-21meminfo10:55:270
3039099390,37cyclictest10723-21meminfo10:35:260
3039199380,37cyclictest29094-21meminfo08:30:261
3039199370,35cyclictest21036-21meminfo12:30:301
3039099370,35cyclictest22704-21meminfo09:40:250
3039199350,34cyclictest13605-21meminfo12:10:271
3039099350,34cyclictest31143-21meminfo11:30:250
3039099350,33cyclictest4766-21meminfo07:25:300
3039099350,33cyclictest24560-21meminfo09:45:280
3039199340,33cyclictest15459-21meminfo12:15:261
3039199340,33cyclictest11561-21meminfo09:10:271
3039199340,32cyclictest13413-21meminfo09:15:261
3039099340,33cyclictest18982-21meminfo09:30:240
3039099340,33cyclictest17328-21meminfo12:20:250
3039199330,32cyclictest30124-21meminfo10:00:271
3039199330,32cyclictest22878-21meminfo12:35:261
3039099330,32cyclictest29093-21meminfo08:30:260
3039099330,31cyclictest352-21meminfo08:40:250
3039199320,31cyclictest31141-21meminfo11:30:261
3039199320,31cyclictest26407-21meminfo09:50:261
3039099320,31cyclictest9711-21meminfo09:05:280
3039099320,31cyclictest541-21meminfo11:35:260
3039099310,30cyclictest16290-21meminfo10:50:230
3039099300,28cyclictest7020-21meminfo10:25:230
3039099300,28cyclictest6625-21meminfo07:30:340
3039199280,27cyclictest31976-21meminfo10:05:241
3039099280,27cyclictest12229-21meminfo07:45:310
3039199270,26cyclictest6182-21meminfo11:50:241
3039199270,25cyclictest25565-21meminfo11:15:271
3039099270,26cyclictest999-21meminfo07:15:300
3039099270,26cyclictest21676-21meminfo08:10:260
3039099270,26cyclictest17977-21meminfo08:00:280
3039199250,23cyclictest542-21meminfo11:35:261
3039099250,24cyclictest9904-21meminfo12:00:270
3039099240,23cyclictest30989-21meminfo07:10:260
3039099240,23cyclictest23526-21meminfo08:15:270
3039099240,23cyclictest16088-21meminfo07:55:290
3039199230,22cyclictest8032-21meminfo11:55:241
3039199230,22cyclictest4132-21meminfo08:50:221
3039199230,22cyclictest27439-21meminfo11:20:271
3039199230,22cyclictest17326-21meminfo12:20:251
3039099230,22cyclictest19829-21meminfo08:05:290
3039099230,22cyclictest11752-21meminfo12:05:250
3039199220,21cyclictest14444-21meminfo10:45:271
3039099220,21cyclictest27435-21meminfo11:20:260
3039199210,20cyclictest2290-21meminfo08:45:251
30390992119,1cyclictest0-21swapper/011:04:220
3039199200,19cyclictest7856-21meminfo09:00:251
3039199200,19cyclictest20013-21meminfo11:00:241
3039099200,19cyclictest5171-21meminfo10:20:260
3039099190,11cyclictest10819-21diskmemload11:10:220
3039199180,17cyclictest12590-21meminfo10:40:231
3039199170,16cyclictest17137-21meminfo09:25:261
3039199170,16cyclictest17137-21meminfo09:25:251
3039099170,16cyclictest2480-21meminfo11:40:230
30391991614,1cyclictest0-21swapper/109:42:251
3039199161,15cyclictest6136-21kworker/1:2+events09:06:191
3039199151,9cyclictest0-21swapper/107:15:231
30390991512,3cyclictest79480irq/131-ecat0-rx-010:06:060
3039099150,14cyclictest15460-21meminfo12:15:280
3039199145,6cyclictest22596-21taskset08:13:071
3039199143,9cyclictest0-21swapper/112:25:191
30391991412,1cyclictest5249-21needreboot10:20:281
3039099145,7cyclictest2027-21runrttasks09:51:020
30390991412,1cyclictest9658-21latency_hist07:40:000
30390991412,1cyclictest10819-21diskmemload11:57:560
3039199138,4cyclictest16757-21users07:55:371
3039199134,7cyclictest0-21swapper/107:47:471
3039199134,4cyclictest0-21swapper/108:00:221
3039199132,8cyclictest24411-21if_err_lxcbr009:45:271
30391991310,2cyclictest9683-21latency_hist07:40:011
3039199130,12cyclictest6627-21meminfo07:30:341
3039099139,3cyclictest1735-21lxcfs07:50:240
3039099132,10cyclictest0-21swapper/007:20:260
3039099130,12cyclictest13443-21grep09:15:270
300492132,2sleep00-21swapper/007:08:210
3039199129,2cyclictest6279-21processes08:55:291
3039199129,2cyclictest5253-21cat07:25:361
3039199129,2cyclictest29154-21iwlist11:25:221
3039199129,2cyclictest2827-21sendmail_mailtr11:40:281
3039199129,2cyclictest2825-21grep10:15:201
3039199129,2cyclictest23538-21missed_timers08:15:291
3039199129,2cyclictest12521-21chrt12:06:261
3039199120,11cyclictest21857-21meminfo11:05:211
3039099129,2cyclictest30950-21chrt10:02:020
3039099129,2cyclictest26965-21grep08:25:250
3039099129,2cyclictest14578-21chrt12:13:390
3039099129,2cyclictest11427-21chrt07:44:340
3039099121,8cyclictest0-21swapper/009:10:210
3039099121,6cyclictest0-21swapper/012:30:210
30390991211,1cyclictest1805-21tr08:45:210
3039099120,11cyclictest4488-21mailstats08:50:270
3039099120,11cyclictest1408-21meminfo10:10:210
3039099120,11cyclictest10819-21diskmemload11:45:190
3039099120,10cyclictest24822-21chrt08:20:180
3039199119,1cyclictest11684-21seq10:38:331
3039199119,1cyclictest10815-21taskset12:03:011
3039199118,2cyclictest31361-21cut07:10:311
3039199118,2cyclictest3115-21cut07:20:291
3039199118,2cyclictest20596-21chrt08:06:301
3039199118,2cyclictest19128-21ntp_offset09:30:291
3039199117,2cyclictest0-21swapper/110:10:181
3039199112,6cyclictest0-21swapper/110:25:251
3039099119,1cyclictest8539-21fschecks_time10:30:210
3039099119,1cyclictest20977-21ntpq09:35:290
3039099119,1cyclictest17444-21chrt09:25:300
3039099119,1cyclictest17444-21chrt09:25:290
3039099118,2cyclictest8548-21chrt09:00:370
3039099118,2cyclictest28180-21kernelversion09:55:240
3039099118,2cyclictest23699-21seq12:36:590
3039099118,2cyclictest21591-21cat11:05:190
3039099118,2cyclictest15323-21sshd10:47:390
3039099114,6cyclictest14718-21apt-get09:20:190
3039099110,10cyclictest317702sleep008:37:000
3039099108,1cyclictest12032-21apt-esm-hook10:40:200
28508292,4sleep10-21swapper/107:05:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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