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2025-12-03 - 22:00
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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 100 highest latencies:
System rackeslot8.osadl.org (updated Wed Dec 03, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31304892260,1sleep10-21swapper/107:45:161
3084213992320,1cyclictest0-21swapper/310:25:193
308421399225,6cyclictest3098617-21taskset07:20:003
3084213992219,1cyclictest0-21swapper/307:40:013
3084213992118,1cyclictest0-21swapper/312:05:013
3084213992118,1cyclictest0-21swapper/311:40:013
346130721914,3sleep03461648-21kthreadcore11:30:180
3084213991916,1cyclictest0-21swapper/311:45:423
3084213991916,1cyclictest0-21swapper/310:30:003
308421399191,14cyclictest3554075-21taskset12:25:263
3084213991816,1cyclictest0-21swapper/311:30:183
3084213991815,1cyclictest0-21swapper/310:05:393
3084213991815,1cyclictest0-21swapper/308:15:163
3084213991815,1cyclictest0-21swapper/307:55:003
308421399181,13cyclictest3331908-21taskset10:10:123
308421399181,12cyclictest3235891-21taskset09:10:013
3084213991714,1cyclictest0-21swapper/312:20:003
3084213991714,1cyclictest0-21swapper/311:20:253
3084213991714,1cyclictest0-21swapper/311:10:153
3084213991714,1cyclictest0-21swapper/310:40:003
3084213991714,1cyclictest0-21swapper/307:21:433
3084213991713,1cyclictest0-21swapper/308:39:383
3084213991713,1cyclictest0-21swapper/308:20:203
308421399171,13cyclictest3394849-21chrt10:48:043
308421399171,13cyclictest3249831-21chrt09:15:453
308421399171,13cyclictest3216640-21chrt08:52:423
308421399171,12cyclictest3515909-21sleep12:09:553
308421399171,12cyclictest3492176-21taskset11:50:123
308421399171,12cyclictest3452141-21taskset11:25:073
308421399171,12cyclictest3396055-21taskset10:50:123
308421399171,12cyclictest3292908-21taskset09:45:153
308421399171,12cyclictest3288855-21chrt09:40:193
308421399171,12cyclictest3166992-21taskset08:14:543
308421399171,12cyclictest3148442-21turbostat08:00:003
308421399170,14cyclictest3204397-21chrt08:44:213
308421399167,6cyclictest32047012sleep308:45:053
3084213991613,1cyclictest0-21swapper/309:50:173
3084213991613,1cyclictest0-21swapper/309:25:163
3084213991613,1cyclictest0-21swapper/309:10:013
308421399161,12cyclictest3572246-21turbostat12:40:003
308421399161,12cyclictest3562994-21taskset12:32:063
308421399161,12cyclictest3540475-21taskset12:20:133
308421399161,12cyclictest3501061-21taskset11:55:153
308421399161,12cyclictest3481961-21chrt11:40:383
308421399161,12cyclictest3442766-21chrt11:17:293
308421399161,12cyclictest3426182-21taskset11:06:473
308421399161,12cyclictest3419024-21taskset11:03:393
308421399161,12cyclictest3419024-21taskset11:03:383
308421399161,12cyclictest3385917-21taskset10:40:513
308421399161,12cyclictest3353262-21taskset10:20:223
308421399161,12cyclictest3282737-21taskset09:37:383
308421399161,12cyclictest3275116-21taskset09:33:303
308421399161,12cyclictest3222982-21taskset08:56:193
308421399161,12cyclictest3222982-21taskset08:56:183
308421399160,13cyclictest3154654-21turbostat08:04:593
308421399160,13cyclictest3132074-21chrt07:45:183
308421399160,12cyclictest3155073-21taskset08:05:133
147598160,10rtkit-daemon3556076-21apt-get12:30:001
31988822151,5sleep23199819-21irqstats08:40:162
3084213991512,1cyclictest0-21swapper/312:10:203
3084213991512,1cyclictest0-21swapper/310:55:143
3084213991512,1cyclictest0-21swapper/310:00:193
3084213991512,1cyclictest0-21swapper/307:25:173
308421399151,12cyclictest3191772-21chrt08:31:383
308421399151,11cyclictest3345758-21taskset10:15:503
308421399151,11cyclictest3313955-21taskset09:55:503
308421399151,11cyclictest3257035-21taskset09:20:193
308421399151,11cyclictest3229145-21taskset09:01:033
308421399151,11cyclictest3179861-21taskset08:25:053
308421399151,11cyclictest3123986-21taskset07:40:083
308421399150,12cyclictest3111426-21chrt07:30:033
308421399150,11cyclictest3084358-21taskset07:10:113
31601302141,10sleep03160353-21grep08:05:230
147598140,4rtkit-daemon34-21ksoftirqd/108:40:241
32823132130,6sleep23282314-21sh09:36:372
147598130,7rtkit-daemon3563401-21ssh12:32:591
35539032120,9sleep23548343-21/usr/sbin/munin12:25:262
35413432120,9sleep23542486-21cut12:20:162
35398832121,8sleep13539889-21ssh12:19:441
34112162121,4sleep13411218-21ssh10:59:121
33371142120,8sleep13337234-21python310:10:231
31179552120,9sleep13118513-21/usr/sbin/munin07:35:191
147598120,8rtkit-daemon3435225-21ssh11:14:200
147598120,8rtkit-daemon3307998-21ssh09:55:030
147598120,7rtkit-daemon3323649-21apt10:05:000
34820602110,8sleep13482068-21ssh11:40:571
34813362110,1sleep20-21swapper/211:40:222
34210282110,8sleep03422156-21cut11:05:160
34201512110,8sleep23420302-21basename11:05:152
34023852110,8sleep13402394-21ssh10:52:081
33656262110,8sleep03367612-21cut10:30:190
32820782111,3sleep03282085-21sh09:36:080
32510362110,8sleep23251043-21sh09:18:382
32106372110,4sleep13210681-21munin-run08:50:011
31228262110,8sleep03122952-21sed07:35:260
147598110,6rtkit-daemon3179902-21apt-get08:25:121
35654642100,7sleep03566411-21kthreadcore12:35:180
35380662100,7sleep23538074-21ssh12:15:322
35297522100,7sleep13529931-21grep12:10:251
35218262105,3sleep03522076-21unixbench_singl12:05:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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