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2024-11-24 - 08:00

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #1

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 rack4slot1s.osadl.org (updated Sun Nov 24, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3120621290,2sleep00-21swapper/023:11:320
3120621290,2sleep00-21swapper/023:11:320
1522921140,1chrt0-21swapper/122:31:181
1522921140,1chrt0-21swapper/122:31:181
3044921130,10sleep1271rcuc/120:21:091
594921110,2chrt0-21swapper/019:16:170
594921110,2chrt0-21swapper/019:16:170
287222780,2chrt0-21swapper/121:41:211
287222780,2chrt0-21swapper/121:41:211
98922770,3sleep09896-21gltestperf20:51:230
98922770,3sleep09896-21gltestperf20:51:230
201902750,5sleep120192-21grep22:41:351
201902750,5sleep120192-21grep22:41:351
56342730,5sleep016-21ksoftirqd/020:41:100
56342730,5sleep016-21ksoftirqd/020:41:100
82982660,2sleep20-21swapper/223:36:352
82982660,2sleep20-21swapper/223:36:352
100252640,2sleep110028-21if_wlan020:51:241
100252640,2sleep110028-21if_wlan020:51:241
55752630,2chrt0-21swapper/122:06:131
246852570,4chrt0-21swapper/222:56:232
246852570,4chrt0-21swapper/222:56:232
256172550,1sleep10-21swapper/120:06:261
256172550,1sleep10-21swapper/120:06:261
144512550,2chrt14452-21cat21:01:331
115532550,3sleep20-21swapper/222:21:222
115532550,3sleep20-21swapper/222:21:222
210172530,3sleep20-21swapper/222:46:222
210172530,3sleep20-21swapper/222:46:222
246662520,2sleep10-21swapper/100:21:241
246662520,2sleep10-21swapper/100:21:241
83922510,3sleep10-21swapper/122:11:281
83922510,3sleep10-21swapper/122:11:281
4562500,16sleep1271rcuc/121:51:261
4562500,16sleep1271rcuc/121:51:261
308452500,2chrt0-21swapper/223:11:262
308452500,2chrt0-21swapper/223:11:262
73022470,1sleep10-21swapper/123:36:221
73022470,1sleep10-21swapper/123:36:221
5937994742,3cyclictest0-21swapper/100:16:181
5936994720,20cyclictest171ktimers/023:16:190
5936994720,20cyclictest171ktimers/023:16:190
593699471,40cyclictest15765-21snmpd20:36:170
108432470,3sleep20-21swapper/223:46:072
108432470,3sleep20-21swapper/223:46:072
5936994538,3cyclictest0-21swapper/000:06:130
5936994538,3cyclictest0-21swapper/000:06:130
5936994522,17cyclictest171ktimers/022:11:200
5936994522,17cyclictest171ktimers/022:11:200
134562450,13sleep1281ktimers/123:51:251
197462420,2sleep20-21swapper/221:16:272
197462420,2sleep20-21swapper/221:16:272
5936994032,5cyclictest0-21swapper/000:06:410
5936994032,5cyclictest0-21swapper/000:06:410
5936994025,13cyclictest11211-21latency_hist22:21:070
5936994025,13cyclictest11211-21latency_hist22:21:070
5936993924,10cyclictest36350irq/47-eth020:11:180
5936993924,10cyclictest36350irq/47-eth020:11:180
5936993919,12cyclictest36350irq/47-eth020:41:200
5936993919,12cyclictest36350irq/47-eth020:41:200
593999381,19cyclictest22927-21chrt21:26:203
593999381,19cyclictest22927-21chrt21:26:203
5937993832,4cyclictest18338-21wc00:06:081
5937993832,4cyclictest18338-21wc00:06:081
305852380,2sleep030346-21apt-get20:21:130
197012380,2chrt0-21swapper/200:06:342
197012380,2chrt0-21swapper/200:06:342
5937993732,3cyclictest24531-21kworker/u9:0-xprtiod23:16:071
5937993732,3cyclictest24531-21kworker/u9:0-xprtiod23:16:071
593699371,28cyclictest799-21runrttasks00:16:220
106752370,3chrt0-21swapper/219:26:322
106752370,3chrt0-21swapper/219:26:322
593999361,23cyclictest18475-21chrt00:06:143
593999361,23cyclictest18475-21chrt00:06:143
5937993625,9cyclictest18686-21cups-browsed00:06:211
5937993625,9cyclictest18686-21cups-browsed00:06:211
593699361,29cyclictest0-21swapper/000:31:190
593699361,29cyclictest0-21swapper/000:31:190
593799355,9cyclictest181rcu_preempt22:36:221
593799355,9cyclictest181rcu_preempt22:36:221
5936993529,4cyclictest24712-21latency_hist20:06:070
5936993529,4cyclictest24712-21latency_hist20:06:070
593699347,21cyclictest36350irq/47-eth021:56:220
593699347,21cyclictest36350irq/47-eth021:56:220
40282340,5sleep20-21swapper/219:11:182
40282340,5sleep20-21swapper/219:11:182
5937993326,5cyclictest2249-21fschecks_time20:31:231
5937993326,5cyclictest2249-21fschecks_time20:31:231
5937993325,6cyclictest2819-21threads21:56:361
5937993325,6cyclictest2819-21threads21:56:361
5937993325,6cyclictest20777-21latency_hist21:21:071
5937993325,6cyclictest20777-21latency_hist21:21:071
593999322,21cyclictest31973-21chrt00:41:203
5937993227,4cyclictest5935-21cyclictest22:56:251
5937993227,4cyclictest5935-21cyclictest22:56:251
5937993226,4cyclictest32349-21latency_hist20:26:071
5937993226,4cyclictest32349-21latency_hist20:26:071
5937993225,5cyclictest31099-21threads00:36:361
5937993225,5cyclictest31099-21threads00:36:361
5937993223,7cyclictest26856-21fschecks_count21:36:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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