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2025-12-06 - 21:07
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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 Sat Dec 06, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7139332700,3sleep2713939-21idleruntime-cro09:10:002
56233899222,16cyclictest849698-21turbostat10:35:013
56233899221,16cyclictest676490-21turbostat08:40:003
562338992017,1cyclictest0-21swapper/310:52:343
56233899201,14cyclictest632842-21taskset08:05:003
56233899200,12cyclictest7534662sleep309:34:113
56233899200,12cyclictest7534662sleep309:34:113
56233899198,5cyclictest8401782sleep310:26:323
56233899194,12cyclictest663804-21turbostat08:30:013
56233899193,12cyclictest568469-21turbostat07:14:593
56233899192,13cyclictest1042232-21turbostat12:35:013
562338991916,1cyclictest0-21swapper/311:20:173
562338991916,1cyclictest0-21swapper/308:15:013
562338991912,4cyclictest626432-21turbostat08:00:013
56233899191,15cyclictest914406-21taskset11:15:123
56233899191,14cyclictest793809-21turbostat10:00:003
56233899191,14cyclictest657639-21taskset08:25:013
562338991816,1cyclictest0-21swapper/309:05:243
562338991815,1cyclictest0-21swapper/312:00:263
56233899181,14cyclictest614490-21chrt07:50:133
56233899181,12cyclictest882218-21taskset10:55:013
56233899180,9cyclictest857633-21taskset10:39:543
56233899180,12cyclictest6944812sleep308:50:263
56233899175,9cyclictest986137-21turbostat12:00:003
56233899175,9cyclictest816866-21taskset10:12:573
56233899175,7cyclictest8725382sleep310:46:443
56233899175,7cyclictest8093222sleep310:08:573
56233899175,6cyclictest7073472sleep309:00:283
56233899171,2cyclictest0-21swapper/312:18:253
56233899171,13cyclictest945939-21taskset11:34:523
56233899171,13cyclictest607854-21taskset07:44:573
56233899171,12cyclictest970218-21sleep11:50:003
56233899171,12cyclictest954209-21sleep11:40:003
56233899171,12cyclictest670016-21turbostat08:35:003
56233899171,12cyclictest650906-21taskset08:17:033
56233899171,11cyclictest0-21swapper/309:20:123
56233899170,13cyclictest833477-21chrt10:24:303
56233899170,12cyclictest9711362sleep311:50:163
56233899170,12cyclictest7841972sleep309:51:223
5770212161,3sleep2577043-21apt-get07:20:132
5770212161,3sleep2577043-21apt-get07:20:132
56233899163,7cyclictest10481812sleep312:35:403
562338991614,1cyclictest0-21swapper/309:45:183
56233899161,3cyclictest0-21swapper/312:20:123
562338991613,1cyclictest0-21swapper/312:05:223
562338991613,1cyclictest0-21swapper/310:40:013
56233899161,2cyclictest0-21swapper/312:25:153
56233899161,2cyclictest0-21swapper/311:10:123
56233899161,2cyclictest0-21swapper/308:05:123
56233899161,12cyclictest825746-21sleep10:20:013
56233899161,12cyclictest744230-21taskset09:26:123
56233899161,12cyclictest727435-21taskset09:15:223
56233899161,12cyclictest595286-21taskset07:34:033
56233899161,11cyclictest954577-21chrt11:40:133
56233899161,11cyclictest891048-21chrt11:00:183
56233899161,11cyclictest762128-21taskset09:40:073
56233899161,11cyclictest582144-21chrt07:20:213
56233899161,11cyclictest582144-21chrt07:20:213
56233899161,11cyclictest1002355-21taskset12:10:033
56233899161,10cyclictest0-21swapper/311:05:123
56233899160,3cyclictest7607412sleep309:37:303
56233899160,13cyclictest683526-21chrt08:45:163
56233899160,12cyclictest576746-21turbostat07:20:003
5576572160,3sleep30-21swapper/307:05:193
56233899151,3cyclictest0-21swapper/309:10:143
562338991513,0cyclictest0-21swapper/308:55:493
56233899151,2cyclictest0-21swapper/308:40:133
56233899151,2cyclictest0-21swapper/307:35:143
562338991512,1cyclictest0-21swapper/311:25:193
56233899151,11cyclictest613829-21chrt07:47:143
56233899150,11cyclictest794063-21chrt10:00:033
7933702140,1sleep00-21swapper/009:59:080
562338991412,0cyclictest0-21swapper/307:25:043
147598130,9rtkit-daemon944375-21ssh11:31:180
147598130,9rtkit-daemon524825-21munin-node07:05:151
147598130,4rtkit-daemon0-21swapper/111:56:311
9864282120,4sleep10-21swapper/112:00:081
9778582120,9sleep0977866-21ssh11:54:180
9641172121,7sleep1966081-21grep11:45:211
8956452121,8sleep10-21swapper/111:00:251
5767322120,9sleep2576987-21cat07:20:012
147598120,8rtkit-daemon744-21runrttasks09:39:522
147598120,8rtkit-daemon1540-21sendmail-mta11:23:492
9850032110,1sleep00-21swapper/011:57:230
7139122110,8sleep1713931-21apt09:10:001
6581832110,8sleep2658627-21cut08:25:172
147598110,6rtkit-daemon670555-21apt-get08:35:131
147598110,5rtkit-daemon214-21plymouthd12:20:530
147598110,4rtkit-daemon1000349-21ssh12:05:550
9767462100,7sleep1976755-21ssh11:51:421
8723562100,7sleep0872363-21sh10:46:130
147598100,6rtkit-daemon1540-21sendmail-mta10:58:341
147598100,3rtkit-daemon568608-21munin-node09:32:172
147598100,3rtkit-daemon568608-21munin-node09:32:162
147598100,3rtkit-daemon568608-21munin-node07:47:211
147598100,1rtkit-daemon214-21plymouthd08:43:191
147598100,1rtkit-daemon0-21swapper/107:23:151
147598100,1rtkit-daemon0-21swapper/107:23:151
889674292,4sleep2839919-21kworker/u16:3+rpciod10:59:172
833435290,2sleep2833443-21ssh10:24:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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