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2026-05-07 - 04:48

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #3

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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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.

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 rack7slot3s.osadl.org (updated Thu May 07, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2333121030,6sleep223296-21ssh08:20:562
2333121030,6sleep223296-21ssh08:20:562
1605099896,75cyclictest0-21swapper/006:16:080
141452880,2sleep20-21swapper/205:55:552
1605099847,24cyclictest0-21swapper/005:06:070
194902790,2sleep20-21swapper/207:36:392
318412760,2sleep10-21swapper/109:10:231
1605099737,58cyclictest0-21swapper/009:01:080
317182720,2sleep00-21swapper/009:48:470
269992720,5sleep11605199cyclictest06:30:561
99732700,1sleep10-21swapper/106:48:071
1605199692,14cyclictest0-21swapper/106:21:091
1605099698,44cyclictest5881-21ssh06:43:240
1605099688,50cyclictest0-21swapper/006:51:180
1605099682,53cyclictest11326-21ssh07:27:180
1605099682,53cyclictest11326-21ssh07:27:180
257212670,2sleep20-21swapper/206:26:142
1605099674,45cyclictest23494-21wget06:21:090
251252660,1sleep30-21swapper/307:44:013
1605099664,44cyclictest12852-21timerandwakeup08:46:230
1605099662,49cyclictest23457-21unixbench-2d07:41:200
16050996611,40cyclictest17987-21aten_rbpower_vo04:36:080
18122650,2sleep31605399cyclictest06:38:473
1605099658,48cyclictest0-21swapper/006:32:250
1605099657,40cyclictest23804-21fschecks_count08:21:120
1605099651,50cyclictest27891-21/usr/sbin/munin08:26:120
71382640,3sleep013-21rcuc/009:19:200
1605099647,41cyclictest12797-21fschecks_count05:51:120
1605099646,43cyclictest32573-21grep05:16:110
1605099642,49cyclictest10592-21latency_hist05:45:550
1605099642,42cyclictest9-21ksoftirqd/007:06:230
16050996411,36cyclictest1067-21aten_rbpower_vo07:16:100
1605099638,38cyclictest8780-21chrt09:21:130
1605099629,38cyclictest24241-21ssh07:05:270
1605099624,47cyclictest23006-21ssh08:20:500
1605099624,47cyclictest23006-21ssh08:20:500
16050996210,35cyclictest31263-21sh09:09:190
16050996210,35cyclictest10725-21latency_hist08:05:550
144422620,9sleep3381ktimersoftd/308:48:513
57702610,6sleep01605099cyclictest09:56:160
16052996134,9cyclictest7815-21ls08:01:202
1605099615,41cyclictest3106-21runrttasks05:24:180
1605099614,41cyclictest0-21swapper/009:51:090
1605099613,47cyclictest7640-21chrt06:46:050
16051996020,7cyclictest28781-21munin-run07:10:551
1605099608,41cyclictest0-21swapper/008:43:590
1605099607,38cyclictest0-21swapper/008:57:510
1605099607,38cyclictest0-21swapper/008:57:510
16050996037,13cyclictest7950irq/56-dwc_otg_09:41:200
1605099603,46cyclictest16279-21/usr/sbin/munin06:56:120
1605099603,46cyclictest16279-21/usr/sbin/munin06:56:120
1605099599,33cyclictest6500-21ssh08:00:550
1605099599,33cyclictest6500-21ssh08:00:550
1605099598,37cyclictest1089-21ssh08:32:100
1605099598,37cyclictest1089-21ssh08:32:100
1605099597,36cyclictest23861-21rm09:39:330
16050995930,14cyclictest7850irq/56-dwc_otg_06:30:550
16050995916,31cyclictest17713-21latency_hist06:05:550
1605099587,31cyclictest18380-21ssh09:32:090
16050995839,5cyclictest25391-21fschecks_time04:56:120
1605099583,40cyclictest2200-21ssh07:55:430
16051995718,20cyclictest14881-21ssh08:49:401
1605099578,37cyclictest8541-21rm07:24:530
1605099576,37cyclictest19793-21basename04:41:080
1605099576,37cyclictest19793-21basename04:41:080
16050995734,5cyclictest31642-21sed05:11:200
16050995716,24cyclictest28472-21ls05:05:540
16052995634,10cyclictest17873-21apt-get04:36:072
16052995633,11cyclictest1832-21ssh09:12:142
16052995626,10cyclictest7950irq/56-dwc_otg_09:01:162
1605099565,37cyclictest0-21swapper/006:13:010
16050995644,4cyclictest7850irq/56-dwc_otg_08:06:220
16052995533,11cyclictest12702-21ssh06:51:142
16052995529,10cyclictest7245-21ssh06:45:472
16052995526,11cyclictest31567-21ssh07:13:212
16051995521,18cyclictest30450-21ssh09:46:281
1605099554,37cyclictest23085-21latency_hist04:50:540
1605099554,37cyclictest23085-21latency_hist04:50:540
1605099553,28cyclictest0-21swapper/006:06:230
1605099552,38cyclictest0-21swapper/005:31:350
1605099551,41cyclictest3633-21ssh09:15:300
16052995429,9cyclictest18427-21ssh09:32:142
16052995429,10cyclictest6588-21ssh09:18:202
16051995418,16cyclictest945-21dpkg07:16:061
1605099549,35cyclictest20542-21ssh07:38:280
1605099546,37cyclictest7193-21sh08:40:440
16050995436,4cyclictest7750irq/56-dwc_otg06:36:130
1605099542,29cyclictest0-21swapper/005:26:240
16050995417,26cyclictest0-21swapper/005:36:090
1605099540,36cyclictest18482-21ssh08:15:080
16052995329,10cyclictest561-21ssh07:52:532
16052995327,12cyclictest25164-21ssh07:44:062
16052995326,10cyclictest7950irq/56-dwc_otg_06:37:352
16052995325,16cyclictest7950irq/56-dwc_otg_05:57:062
16052995324,11cyclictest8619-21ssh09:21:122
16051995313,14cyclictest23009-21/usr/sbin/munin07:41:151
1605099538,28cyclictest10786-21aten_rbpower_en05:46:090
1605099537,30cyclictest19204-21ssh08:55:000
1605099531,29cyclictest17162-21unixbench_multi04:31:220
16052995231,10cyclictest1090-21ssh08:32:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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