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2024-07-27 - 07:39

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Sat Jul 27, 2024 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3074321200,6sleep32462999cyclictest19:52:383
24622998933,8cyclictest19608-21head22:42:380
255012880,3sleep3361ktimersoftd/319:42:393
255012880,3sleep3361ktimersoftd/319:42:393
2462299863,28cyclictest0-21swapper/020:02:440
244399640,7rtkit-daemon0-21swapper/223:30:093
14202637,12sleep10-21swapper/122:07:381
244399620,8rtkit-daemon0-21swapper/018:47:051
244399620,7rtkit-daemon0-21swapper/018:53:351
244399620,6rtkit-daemon0-21swapper/019:04:341
244399610,6rtkit-daemon0-21swapper/019:01:051
24629996028,9cyclictest23186-21telnet21:47:313
244399600,7rtkit-daemon0-21swapper/018:50:271
20262604,48sleep30-21swapper/319:57:553
279112590,6sleep22462899cyclictest22:57:562
2462799585,38cyclictest0-21swapper/121:33:161
244399570,6rtkit-daemon2442-21rtkit-daemon19:22:413
291542564,44sleep30-21swapper/318:43:033
2462899564,29cyclictest0-21swapper/220:12:272
2462799565,13cyclictest0-21swapper/122:52:431
2462799564,13cyclictest0-21swapper/120:27:261
24627995617,31cyclictest4148-21latency21:07:511
244399560,5rtkit-daemon2442-21rtkit-daemon22:12:273
234072563,46sleep20-21swapper/220:42:352
256192552,46sleep00-21swapper/022:52:550
2462999555,41cyclictest0-21swapper/322:47:213
2462799555,10cyclictest2690-21idleruntime-cro21:07:241
2462799554,13cyclictest0-21swapper/123:07:491
2462799554,13cyclictest0-21swapper/119:07:471
24627995526,12cyclictest0-21swapper/121:02:251
244399550,5rtkit-daemon2442-21rtkit-daemon22:02:433
244399550,5rtkit-daemon2442-21rtkit-daemon21:32:593
116402553,46sleep30-21swapper/319:12:573
323182543,45sleep20-21swapper/223:07:402
280112543,9sleep30-21swapper/320:49:423
270192542,9sleep30-21swapper/318:41:063
2462999544,43cyclictest0-21swapper/321:27:543
24628995439,10cyclictest21192-21grep20:37:362
24628995424,14cyclictest0-21swapper/218:37:412
2462799544,13cyclictest0-21swapper/123:00:241
2462299543,13cyclictest0-21swapper/021:57:390
244399540,6rtkit-daemon2442-21rtkit-daemon23:37:393
244399540,5rtkit-daemon2442-21rtkit-daemon21:42:433
198202543,45sleep119951-21unixbench_singl21:37:561
198202543,45sleep119951-21unixbench_singl21:37:561
324632534,9sleep00-21swapper/019:54:130
24628995337,9cyclictest21482-21grep22:47:342
2462799534,12cyclictest0-21swapper/122:47:531
244399530,5rtkit-daemon2442-21rtkit-daemon22:57:333
244399530,5rtkit-daemon2442-21rtkit-daemon19:27:413
244399530,5rtkit-daemon2442-21rtkit-daemon19:17:413
137122533,8sleep313720-21sed20:22:423
123292532,44sleep20-21swapper/219:15:142
116922533,42sleep311866-21fschecks_time22:27:393
86752522,9sleep30-21swapper/323:25:223
52082523,9sleep20-21swapper/220:03:592
36702523,10sleep10-21swapper/123:16:011
320722523,9sleep30-21swapper/318:51:133
270292523,42sleep10-21swapper/119:43:021
270292523,42sleep10-21swapper/119:43:021
2462899525,12cyclictest0-21swapper/219:47:542
2462899524,14cyclictest5605-21df19:02:432
2462899524,13cyclictest0-21swapper/200:02:312
2462899524,11cyclictest0-21swapper/223:47:362
2462899524,11cyclictest0-21swapper/223:47:362
24628995237,9cyclictest25575-21strings23:57:422
2462799525,28cyclictest0-21swapper/123:52:511
2462799524,12cyclictest0-21swapper/122:12:351
24627995220,13cyclictest0-21swapper/120:28:051
24622995233,13cyclictest0-21swapper/021:52:560
244532524,41sleep00-21swapper/018:35:430
244399520,5rtkit-daemon2442-21rtkit-daemon23:57:313
244399520,5rtkit-daemon2442-21rtkit-daemon23:55:233
244399520,5rtkit-daemon2442-21rtkit-daemon22:40:043
244399520,5rtkit-daemon2442-21rtkit-daemon22:22:343
244399520,5rtkit-daemon2442-21rtkit-daemon22:22:343
21662522,10sleep30-21swapper/318:54:523
79612512,9sleep30-21swapper/321:17:273
313482512,9sleep20-21swapper/220:58:032
284342513,41sleep20-21swapper/218:42:502
25032512,42sleep00-21swapper/021:05:060
24629995136,10cyclictest6961-21head22:17:393
24628995124,12cyclictest0-21swapper/222:18:312
2462799515,28cyclictest0-21swapper/121:57:221
2462799515,27cyclictest0-21swapper/120:37:331
2462799514,15cyclictest0-21swapper/121:32:231
24627995124,12cyclictest0-21swapper/122:27:481
24627995121,13cyclictest0-21swapper/119:48:021
24627995121,13cyclictest0-21swapper/118:37:591
24627995121,12cyclictest0-21swapper/122:32:481
24627995116,11cyclictest0-21swapper/122:01:531
2462299513,41cyclictest0-21swapper/022:07:300
2462299513,13cyclictest0-21swapper/023:37:490
24622995127,10cyclictest15854-21crond22:37:210
24622995120,11cyclictest0-21swapper/022:57:490
244399510,5rtkit-daemon2442-21rtkit-daemon21:52:433
244399510,5rtkit-daemon2442-21rtkit-daemon21:25:593
244399510,4rtkit-daemon2442-21rtkit-daemon22:52:413
230972515,39sleep00-21swapper/022:47:590
208822512,42sleep30-21swapper/320:37:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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