You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-21 - 05:30
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rack7slot1.osadl.org (updated Fri Nov 21, 2025 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319211656,20sleep20-21swapper/219:06:082
623211556,54sleep30-21swapper/319:09:513
44528456,23sleep00-21swapper/019:07:350
32928456,23sleep10-21swapper/119:06:151
46542660,1sleep021930-21stress21:44:220
82822470,1sleep221932-21stress23:05:262
740994227,13cyclictest0-21swapper/121:25:381
198452415,13sleep20-21swapper/221:05:022
742994014,23cyclictest0-21swapper/322:45:013
741994026,12cyclictest0-21swapper/200:00:152
741994010,27cyclictest0-21swapper/221:41:452
74099405,22cyclictest0-21swapper/100:36:571
742993915,22cyclictest0-21swapper/322:51:103
74099395,24cyclictest0-21swapper/123:54:071
74099395,24cyclictest0-21swapper/123:54:071
740993915,21cyclictest0-21swapper/122:18:541
739993910,26cyclictest0-21swapper/022:13:340
85282385,13sleep20-21swapper/220:39:032
85282385,13sleep20-21swapper/220:39:032
74299389,26cyclictest0-21swapper/323:10:583
74299389,26cyclictest0-21swapper/323:10:583
742993813,23cyclictest0-21swapper/300:40:003
740993814,21cyclictest0-21swapper/121:36:451
189032385,13sleep20-21swapper/219:47:262
742993714,20cyclictest0-21swapper/323:55:243
742993713,22cyclictest0-21swapper/322:45:523
740993715,20cyclictest0-21swapper/123:59:261
740993714,21cyclictest0-21swapper/122:52:281
740993714,20cyclictest0-21swapper/123:36:461
740993714,12cyclictest0-21swapper/123:23:201
740993714,12cyclictest0-21swapper/123:23:201
740993713,21cyclictest0-21swapper/122:55:141
740993713,21cyclictest0-21swapper/122:10:131
73999375,29cyclictest0-21swapper/022:50:290
44922375,13sleep30-21swapper/320:30:143
276942375,13sleep30-21swapper/320:07:333
234172375,13sleep10-21swapper/119:58:491
19632375,13sleep00-21swapper/020:24:220
166122375,13sleep20-21swapper/219:41:212
105752375,13sleep20-21swapper/220:41:562
101432375,13sleep30-21swapper/319:28:113
85422365,12sleep10-21swapper/120:39:141
85422365,12sleep10-21swapper/120:39:141
79382365,13sleep00-21swapper/019:23:110
742993615,19cyclictest0-21swapper/323:00:243
742993615,19cyclictest0-21swapper/322:19:423
742993613,21cyclictest0-21swapper/322:37:313
742993613,21cyclictest0-21swapper/300:14:293
742993613,20cyclictest0-21swapper/323:33:503
742993612,21cyclictest0-21swapper/322:10:243
741993612,21cyclictest0-21swapper/222:36:002
740993617,16cyclictest0-21swapper/122:00:591
740993617,16cyclictest0-21swapper/122:00:581
740993614,19cyclictest0-21swapper/121:30:151
740993614,12cyclictest0-21swapper/122:22:001
740993613,20cyclictest0-21swapper/122:05:101
740993613,20cyclictest0-21swapper/122:05:101
73999368,25cyclictest0-21swapper/023:52:080
73999368,25cyclictest0-21swapper/023:52:070
73999367,26cyclictest0-21swapper/021:46:370
73999366,27cyclictest0-21swapper/023:41:390
739993615,19cyclictest0-21swapper/000:15:590
319242365,13sleep20-21swapper/220:15:582
298062365,12sleep30-21swapper/320:11:423
232662365,13sleep00-21swapper/019:56:550
215462365,12sleep30-21swapper/321:06:353
189702365,13sleep10-21swapper/119:48:141
171422365,13sleep00-21swapper/020:56:260
167192365,13sleep10-21swapper/119:42:371
122482364,12sleep20-21swapper/219:32:032
84992355,12sleep00-21swapper/020:38:410
84992355,12sleep00-21swapper/020:38:400
74299358,25cyclictest0-21swapper/319:50:053
74299358,24cyclictest0-21swapper/300:19:373
742993516,16cyclictest0-21swapper/321:56:183
742993516,16cyclictest0-21swapper/321:56:183
742993515,17cyclictest0-21swapper/323:05:563
742993514,19cyclictest0-21swapper/322:27:263
742993512,20cyclictest0-21swapper/321:31:213
741993516,16cyclictest0-21swapper/221:33:042
741993515,18cyclictest0-21swapper/223:40:492
741993515,17cyclictest0-21swapper/200:24:322
741993511,21cyclictest0-21swapper/223:20:222
741993511,21cyclictest0-21swapper/223:20:222
73999359,23cyclictest0-21swapper/023:55:150
73999358,24cyclictest0-21swapper/023:45:450
73999357,25cyclictest0-21swapper/021:12:590
73999356,26cyclictest0-21swapper/000:23:380
739993511,21cyclictest0-21swapper/000:28:180
303332355,12sleep00-21swapper/020:15:030
298482355,13sleep00-21swapper/020:12:070
276832355,12sleep20-21swapper/220:07:242
233502355,13sleep30-21swapper/319:57:583
193492355,10sleep30-21swapper/321:01:383
152432355,12sleep10-21swapper/120:54:571
150132355,12sleep00-21swapper/020:52:130
144532355,10sleep30-21swapper/319:36:493
100522354,13sleep20-21swapper/219:27:062
742993413,19cyclictest0-21swapper/300:30:153
742993413,18cyclictest0-21swapper/323:35:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional