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2025-05-05 - 04:33
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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
Characteristics of the 792 highest latencies:
System rackcslot4.osadl.org (updated Mon May 05, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22777562325282,28sleep00-21swapper/019:07:290
22779042294252,28sleep10-21swapper/119:09:051
227809599190186,3cyclictest2377386-21kworker/u8:122:57:211
246780121330,3sleep10-21swapper/100:15:191
125899620,7rtkit-daemon2314526-21munin-run20:40:010
125899610,3rtkit-daemon0-21swapper/019:15:330
24667542600,1sleep02466752-21ssh00:14:290
125899580,3rtkit-daemon1257-21rtkit-daemon23:55:220
125899570,3rtkit-daemon0-21swapper/020:40:250
125899560,4rtkit-daemon1257-21rtkit-daemon21:55:090
125899560,3rtkit-daemon0-21swapper/019:35:020
125899550,3rtkit-daemon0-21swapper/023:19:000
125899550,3rtkit-daemon0-21swapper/022:19:150
125899550,3rtkit-daemon0-21swapper/022:19:150
125899550,3rtkit-daemon0-21swapper/021:00:000
125899550,3rtkit-daemon0-21swapper/000:07:560
125899540,5rtkit-daemon1257-21rtkit-daemon22:38:330
125899540,4rtkit-daemon1257-21rtkit-daemon21:25:140
125899540,3rtkit-daemon0-21swapper/023:12:360
125899540,3rtkit-daemon0-21swapper/020:30:390
125899530,4rtkit-daemon1257-21rtkit-daemon23:48:560
125899530,4rtkit-daemon1257-21rtkit-daemon21:37:240
125899530,4rtkit-daemon1257-21rtkit-daemon21:21:310
125899530,4rtkit-daemon1257-21rtkit-daemon20:01:200
125899530,3rtkit-daemon0-21swapper/020:49:150
125899530,3rtkit-daemon0-21swapper/000:17:290
24796742520,2chrt0-21swapper/000:30:230
125899520,4rtkit-daemon1257-21rtkit-daemon21:47:110
125899520,3rtkit-daemon0-21swapper/022:30:040
125899510,4rtkit-daemon1257-21rtkit-daemon20:28:470
125899510,3rtkit-daemon0-21swapper/023:39:200
125899510,3rtkit-daemon0-21swapper/023:34:560
125899510,3rtkit-daemon0-21swapper/022:10:070
125899510,2rtkit-daemon1257-21rtkit-daemon19:56:250
125899500,5rtkit-daemon1257-21rtkit-daemon23:05:100
125899500,4rtkit-daemon1257-21rtkit-daemon23:24:460
125899500,4rtkit-daemon1257-21rtkit-daemon23:01:030
125899500,3rtkit-daemon0-21swapper/020:52:440
125899500,3rtkit-daemon0-21swapper/020:22:390
125899490,6rtkit-daemon1257-21rtkit-daemon21:05:161
125899490,4rtkit-daemon1257-21rtkit-daemon21:44:310
125899490,4rtkit-daemon1257-21rtkit-daemon19:47:440
125899490,20rtkit-daemon2278086-21cyclictest19:13:560
125899480,1rtkit-daemon1257-21rtkit-daemon23:28:170
125899480,1rtkit-daemon1257-21rtkit-daemon22:55:390
125899480,19rtkit-daemon1257-21rtkit-daemon19:24:590
125899470,1rtkit-daemon1257-21rtkit-daemon00:25:220
125899460,2rtkit-daemon1257-21rtkit-daemon21:26:181
125899450,16rtkit-daemon1257-21rtkit-daemon19:26:010
125899440,1rtkit-daemon1257-21rtkit-daemon22:52:520
24001452430,3sleep02400139-21ntp_kernel_pll_22:45:250
125899430,5rtkit-daemon2381202-21fw_packets22:20:240
125899420,4rtkit-daemon0-21swapper/022:18:551
125899420,4rtkit-daemon0-21swapper/022:18:551
125899420,13rtkit-daemon0-21swapper/120:19:470
125899410,2rtkit-daemon1257-21rtkit-daemon23:54:391
125899410,11rtkit-daemon0-21swapper/120:13:050
125899380,5rtkit-daemon2318977-21dpkg20:50:131
125899370,3rtkit-daemon0-21swapper/019:10:281
125899370,12rtkit-daemon0-21swapper/121:13:560
125899360,3rtkit-daemon0-21swapper/023:38:561
125899350,3rtkit-daemon0-21swapper/022:13:191
125899340,4rtkit-daemon1257-21rtkit-daemon19:41:360
125899340,3rtkit-daemon0-21swapper/023:19:431
125899340,3rtkit-daemon0-21swapper/022:28:401
125899340,3rtkit-daemon0-21swapper/019:28:151
125899340,3rtkit-daemon0-21swapper/019:17:571
125899330,3rtkit-daemon0-21swapper/023:21:351
125899330,3rtkit-daemon0-21swapper/020:41:341
125899330,3rtkit-daemon0-21swapper/000:14:451
125899320,3rtkit-daemon0-21swapper/023:02:541
125899320,3rtkit-daemon0-21swapper/020:27:061
125899320,3rtkit-daemon0-21swapper/020:23:351
125899320,3rtkit-daemon0-21swapper/019:44:501
125899320,3rtkit-daemon0-21swapper/019:35:531
125899310,3rtkit-daemon0-21swapper/022:05:571
125899310,3rtkit-daemon0-21swapper/020:45:371
125899310,3rtkit-daemon0-21swapper/020:38:111
125899310,3rtkit-daemon0-21swapper/019:45:451
2278095993013,11cyclictest2414417-1kworker/u9:023:30:141
125899300,3rtkit-daemon0-21swapper/022:32:241
125899300,3rtkit-daemon0-21swapper/022:23:261
125899300,3rtkit-daemon0-21swapper/021:01:051
125899300,3rtkit-daemon0-21swapper/019:33:011
125899300,3rtkit-daemon0-21swapper/000:06:501
227809599291,9cyclictest24440862ssh23:44:331
2278095992912,11cyclictest2294494-21apt-get19:50:151
125899290,3rtkit-daemon0-21swapper/023:11:361
125899290,3rtkit-daemon0-21swapper/020:31:521
227809599281,22cyclictest2429453-21apt-get23:25:151
2278092992711,14cyclictest2395968-21df22:40:160
125899270,1rtkit-daemon1257-21rtkit-daemon22:27:390
125899270,1rtkit-daemon1257-21rtkit-daemon00:39:060
125899260,1rtkit-daemon1257-21rtkit-daemon22:41:121
2278095992513,7cyclictest63750irq/132-enp2s021:20:161
125899250,1rtkit-daemon1257-21rtkit-daemon00:21:531
23298102240,11sleep126-21ksoftirqd/121:13:331
227809599246,3cyclictest0-21swapper/120:00:181
227809599240,6cyclictest0-21swapper/123:06:381
227809599240,22cyclictest2395465-21dump-pmu-power22:40:001
227809299247,13cyclictest13-21ksoftirqd/021:30:160
2278092992411,8cyclictest63750irq/132-enp2s021:50:170
227809299240,22cyclictest2296253-21perf19:55:000
125899240,3rtkit-daemon1257-21rtkit-daemon23:52:090
125899240,1rtkit-daemon1257-21rtkit-daemon00:25:091
227809599234,17cyclictest2444593-21https23:45:021
227809599232,15cyclictest2304953-21apt-get20:15:191
227809599232,14cyclictest2330845-21apt-get21:15:161
2278095992317,4cyclictest2298237-21python320:00:001
2278095992315,6cyclictest2452674-21df_inode23:55:171
227809299232,13cyclictest2456073-21apt-get00:00:160
125899230,3rtkit-daemon1257-21rtkit-daemon21:16:390
125899230,1rtkit-daemon1257-21rtkit-daemon22:45:541
125899230,12rtkit-daemon2324274-21seq21:01:200
227809599224,11cyclictest2320923-21apt-get20:55:151
227809599223,17cyclictest26-21ksoftirqd/121:55:021
227809599222,14cyclictest2302656-21apt-get20:10:171
227809599220,6cyclictest0-21swapper/100:38:591
227809299227,13cyclictest13-21ksoftirqd/022:08:590
227809299226,10cyclictest2471227-21apt-get00:20:150
227809299221,15cyclictest2324835-21apt-get21:05:150
125899220,14rtkit-daemon0-21swapper/022:03:100
227809599219,8cyclictest2300711-21apt-get20:05:191
227809599212,18cyclictest0-21swapper/121:30:201
227809599212,13cyclictest2282795-21apt-get19:20:181
2278095992116,3cyclictest2404267-21cat22:50:261
2278095992113,6cyclictest2350372-21/usr/sbin/munin21:40:251
227809599211,14cyclictest2365348-21apt-get22:00:161
227809299212,13cyclictest2286688-21apt-get19:30:150
227809599202,17cyclictest2365046-21plymouth22:00:001
227809599202,10cyclictest2353988-21apt-get21:45:121
227809599201,14cyclictest2478978-21apt-get00:30:161
227809599200,5cyclictest0-21swapper/100:02:311
227809299208,10cyclictest0-21swapper/020:06:050
227809599190,2cyclictest2350084-21munin-run21:40:011
2278092991811,5cyclictest2440854-21seq23:40:090
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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