You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-02 - 18:05
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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot8.osadl.org (updated Wed Jul 02, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234899919164,13cyclictest0-21swapper/008:20:180
232932739718,14sleep10-21swapper/107:08:281
2349099450390,44cyclictest0-21swapper/107:10:451
2348999415357,47cyclictest0-21swapper/007:10:450
234202407385,16sleep00-21swapper/007:09:390
2349099335268,52cyclictest17264-21strings08:20:181
23489991214,31cyclictest0-21swapper/011:43:590
2348999965,66cyclictest0-21swapper/009:10:590
2348999904,69cyclictest0-21swapper/009:18:590
2348999874,16cyclictest0-21swapper/012:00:010
2348999825,14cyclictest0-21swapper/011:29:420
23489998111,7cyclictest0-21swapper/010:40:150
2349099808,31cyclictest0-21swapper/110:16:021
2348999809,7cyclictest8250irq/14-pata_sch10:00:000
2348999795,16cyclictest0-21swapper/011:30:130
2348999795,16cyclictest0-21swapper/007:20:010
2348999788,11cyclictest0-21swapper/009:26:120
2348999786,16cyclictest0-21swapper/007:40:190
2348999774,16cyclictest0-21swapper/011:05:020
2348999764,16cyclictest0-21swapper/009:35:020
2348999762,66cyclictest3426-21latency_hist11:55:010
2348999762,66cyclictest3426-21latency_hist11:55:010
2348999754,64cyclictest0-21swapper/012:30:180
23490997436,16cyclictest0-21swapper/111:58:591
2348999745,16cyclictest0-21swapper/008:25:010
2348999745,15cyclictest0-21swapper/009:42:550
2348999745,15cyclictest0-21swapper/008:05:010
2348999744,53cyclictest0-21swapper/009:37:000
2348999744,15cyclictest0-21swapper/007:23:240
23490997324,18cyclictest0-21swapper/109:40:381
2348999735,16cyclictest0-21swapper/010:29:320
2348999735,16cyclictest0-21swapper/007:55:000
2348999735,15cyclictest0-21swapper/011:19:100
2348999734,17cyclictest0-21swapper/010:30:060
2348999734,16cyclictest0-21swapper/009:10:000
2348999734,15cyclictest0-21swapper/008:15:010
2348999734,14cyclictest0-21swapper/010:51:410
23489997316,42cyclictest23667-21latency_hist08:40:010
2348999725,16cyclictest0-21swapper/012:29:410
2348999725,16cyclictest0-21swapper/009:46:070
2348999725,15cyclictest0-21swapper/011:10:010
2348999725,15cyclictest0-21swapper/008:54:110
2348999724,15cyclictest0-21swapper/012:16:000
2348999724,15cyclictest0-21swapper/012:06:190
2348999724,15cyclictest0-21swapper/010:03:510
2348999715,17cyclictest0-21swapper/010:21:280
2348999715,16cyclictest0-21swapper/012:35:210
2348999715,16cyclictest0-21swapper/010:14:060
2348999715,16cyclictest0-21swapper/010:09:540
2348999715,15cyclictest0-21swapper/010:45:580
2348999715,15cyclictest0-21swapper/008:49:100
2348999715,14cyclictest0-21swapper/010:40:010
2348999714,16cyclictest0-21swapper/009:23:120
2348999713,62cyclictest12831-21grep12:10:180
23489997115,41cyclictest8250irq/14-pata_sch11:50:010
2348999705,16cyclictest0-21swapper/010:15:040
2348999705,16cyclictest0-21swapper/009:53:170
2348999705,14cyclictest0-21swapper/012:02:570
2348999705,14cyclictest0-21swapper/007:30:010
2348999704,50cyclictest0-21swapper/011:13:350
2348999704,16cyclictest0-21swapper/008:55:260
23490996919,16cyclictest0-21swapper/108:10:161
2348999695,17cyclictest0-21swapper/009:00:170
2348999695,16cyclictest0-21swapper/008:35:010
2348999695,16cyclictest0-21swapper/008:10:180
2348999695,15cyclictest0-21swapper/011:36:210
2348999695,15cyclictest0-21swapper/010:55:120
2348999695,14cyclictest0-21swapper/011:22:190
2348999695,14cyclictest0-21swapper/007:35:140
2348999694,17cyclictest0-21swapper/012:20:180
2348999685,16cyclictest0-21swapper/007:55:180
2348999682,59cyclictest1427-21runrttasks07:30:250
29372670,3sleep13026-21fgrep07:40:241
2348999665,16cyclictest0-21swapper/008:05:130
2348999665,16cyclictest0-21swapper/007:45:270
2348999655,16cyclictest0-21swapper/008:45:010
216899650,4rtkit-daemon2167-21rtkit-daemon07:29:341
23490996216,24cyclictest0-21swapper/111:44:591
216899620,5rtkit-daemon2167-21rtkit-daemon09:30:011
23490995917,16cyclictest0-21swapper/110:08:001
23490995739,14cyclictest0-21swapper/107:21:591
216899510,4rtkit-daemon2167-21rtkit-daemon10:51:481
2349099507,36cyclictest0-21swapper/110:40:281
23490994929,14cyclictest0-21swapper/111:50:441
23490994929,14cyclictest0-21swapper/111:50:441
216899480,5rtkit-daemon2167-21rtkit-daemon11:22:281
216899480,5rtkit-daemon2167-21rtkit-daemon09:34:211
257512477,6sleep125850-21tail07:15:181
2349099476,33cyclictest0-21swapper/112:34:071
2349099474,37cyclictest0-21swapper/111:09:021
23490994713,27cyclictest0-21swapper/110:35:481
216899470,5rtkit-daemon2167-21rtkit-daemon12:27:301
216899470,5rtkit-daemon2167-21rtkit-daemon08:59:001
216899470,5rtkit-daemon2167-21rtkit-daemon08:55:001
216899470,4rtkit-daemon2167-21rtkit-daemon09:03:451
216899470,4rtkit-daemon2167-21rtkit-daemon08:25:101
9542463,36sleep11006-21irqstats09:05:221
2349099465,35cyclictest0-21swapper/111:47:461
216899460,4rtkit-daemon2167-21rtkit-daemon12:35:451
216899460,4rtkit-daemon2167-21rtkit-daemon12:16:341
216899460,4rtkit-daemon2167-21rtkit-daemon12:14:441
2349099459,29cyclictest0-21swapper/110:45:131
2349099456,34cyclictest0-21swapper/109:38:351
2349099456,34cyclictest0-21swapper/108:05:281
2349099456,33cyclictest0-21swapper/111:27:251
2349099455,35cyclictest0-21swapper/108:39:081
2349099455,34cyclictest0-21swapper/110:57:281
2349099455,33cyclictest0-21swapper/110:20:191
23490994520,19cyclictest0-21swapper/111:18:171
216899450,4rtkit-daemon2167-21rtkit-daemon12:07:341
216899450,4rtkit-daemon2167-21rtkit-daemon11:37:391
216899450,3rtkit-daemon2167-21rtkit-daemon12:00:141
2349099448,30cyclictest0-21swapper/108:00:281
2349099448,29cyclictest0-21swapper/111:01:011
2349099446,32cyclictest0-21swapper/111:14:101
2349099446,32cyclictest0-21swapper/109:18:061
2349099446,30cyclictest0-21swapper/110:25:131
2349099445,34cyclictest0-21swapper/110:10:281
2349099445,33cyclictest0-21swapper/112:23:391
2349099444,35cyclictest0-21swapper/108:33:101
2349099444,35cyclictest0-21swapper/107:34:091
2349099444,34cyclictest0-21swapper/109:57:091
23490994417,20cyclictest0-21swapper/110:33:331
23490994413,25cyclictest0-21swapper/107:45:231
225422444,5sleep10-21swapper/111:30:471
216899440,4rtkit-daemon2167-21rtkit-daemon09:14:051
113422445,7sleep10-21swapper/109:24:321
260432433,33sleep10-21swapper/109:47:501
2349099439,27cyclictest0-21swapper/107:55:211
2349099438,28cyclictest0-21swapper/109:50:161
2349099435,32cyclictest0-21swapper/110:02:231
2349099435,32cyclictest0-21swapper/107:39:591
2349099427,28cyclictest0-21swapper/108:40:181
2349099427,28cyclictest0-21swapper/108:17:411
2349099426,23cyclictest0-21swapper/108:49:201
2349099416,29cyclictest0-21swapper/107:52:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional