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2024-10-03 - 12:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, 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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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 rack2slot6s.osadl.org (updated Mon Mar 09, 2020 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159792346338,4sleep20-21swapper/219:33:542
162472319312,4sleep00-21swapper/019:37:220
162912218210,5sleep30-21swapper/319:37:573
162942211204,4sleep10-21swapper/119:37:591
172442660,5sleep21664299cyclictest23:13:362
7272630,2sleep10-21swapper/123:48:311
203822580,4sleep120384-21latency_hist23:23:141
309362480,2sleep30-21swapper/322:33:223
309362480,2sleep30-21swapper/322:33:223
16645992412,2cyclictest20037-21switchtime22:08:283
251382231,18sleep325135-21apt-get23:33:173
1664299231,19cyclictest0-21swapper/221:23:202
16640992316,6cyclictest29697-21kworker/1:000:32:141
16640992316,6cyclictest29697-21kworker/1:000:32:141
1664299220,19cyclictest0-21swapper/221:28:142
16637992216,3cyclictest31135-21grep23:43:320
243512210,16sleep00-21swapper/000:43:190
1664299217,12cyclictest0-21swapper/221:13:272
16642992115,3cyclictest2392-21grep01:03:352
16640992115,3cyclictest5236-21grep20:23:271
1664099211,17cyclictest24369-21grep23:28:311
16637992117,2cyclictest16645-21cyclictest19:38:090
195862200,2sleep019779-21cstates20:58:140
16645992015,3cyclictest2309-21grep01:03:343
1664299203,9cyclictest0-21swapper/220:33:112
1664299203,9cyclictest0-21swapper/220:33:112
1664299203,10cyclictest0-21swapper/221:38:132
16642992014,3cyclictest22899-21tr19:53:122
16640992016,2cyclictest29697-21kworker/1:023:58:231
16640992015,3cyclictest14626-21grep00:18:381
16640992014,3cyclictest7483-21latency22:53:231
1664099200,2cyclictest0-21swapper/123:03:351
16637992015,3cyclictest32576-21grep21:23:330
16645991912,5cyclictest5958-1kworker/3:2H20:08:393
1664299197,10cyclictest0-21swapper/222:04:372
1664299193,9cyclictest0-21swapper/222:38:142
1664299192,10cyclictest0-21swapper/200:08:162
1664299191,15cyclictest0-21swapper/220:03:122
1664299190,3cyclictest0-21swapper/221:21:052
16640991914,3cyclictest27883-21aten2_rbpower_c22:28:151
16640991914,3cyclictest26474-21grep19:58:281
16640991914,3cyclictest26426-21aten2_rbpower_p21:13:181
16640991914,3cyclictest1575-21if_err_enp3s021:28:211
16640991913,4cyclictest16006-21tr23:13:221
16640991913,4cyclictest12392-21latency_hist20:43:101
16640991913,3cyclictest30901-21cat23:43:301
16640991913,3cyclictest28962-21grep23:38:331
9792180,2sleep00-21swapper/020:15:470
84742180,3sleep00-21swapper/022:55:560
197932180,2sleep00-21swapper/023:18:450
1664599183,9cyclictest0-21swapper/300:33:163
1664599182,13cyclictest9502-21cut22:58:203
1664599182,13cyclictest444-21grep22:38:203
1664599182,13cyclictest20014-21cron19:48:083
1664599182,10cyclictest0-21swapper/321:03:123
16645991813,3cyclictest22608-21/usr/sbin/munin19:53:173
16645991812,4cyclictest7327-21if_enp1s022:53:213
16645991812,4cyclictest5914-21latency_hist00:03:153
16645991812,3cyclictest7504-21threads00:03:323
16645991812,3cyclictest415-21sh20:13:253
16645991812,3cyclictest3946-21cat20:23:133
16645991812,3cyclictest22905-21interrupts00:38:253
16645991812,3cyclictest14211-21/usr/sbin/munin21:58:233
1664599181,14cyclictest0-21swapper/320:28:113
1664299187,10cyclictest0-21swapper/220:23:442
1664299186,10cyclictest6834-21if_enp1s000:03:242
1664299186,10cyclictest0-21swapper/219:58:192
1664299183,9cyclictest0-21swapper/220:53:112
1664299183,9cyclictest0-21swapper/200:13:162
16642991813,3cyclictest3904-21apt-get23:58:162
16642991813,3cyclictest13012-21apt-get00:18:222
16642991812,3cyclictest3671-21cron23:58:142
1664299181,15cyclictest0-21swapper/222:28:252
1664299181,14cyclictest85732sleep222:57:142
1664299181,14cyclictest31598-21apt-get20:13:122
16642991811,4cyclictest14741-21latency_hist20:48:102
16642991811,4cyclictest11753-21cut23:03:202
1664299180,17cyclictest0-21swapper/219:50:292
1664099189,7cyclictest29562-21cpuspeed_turbos20:08:121
1664099188,7cyclictest26230-21gltestperf22:23:231
1664099183,9cyclictest13385-21apt-get23:08:161
16640991813,3cyclictest21883-21threads23:23:401
16640991813,3cyclictest20947-21/usr/sbin/munin22:13:171
16640991812,4cyclictest24027-21sed19:53:251
16640991812,3cyclictest8865-21acpi22:58:141
16640991811,4cyclictest6894-21if_err_enp1s000:03:241
1663799183,8cyclictest13385-21apt-get23:08:160
16637991813,3cyclictest29560-21tr20:08:120
16637991813,3cyclictest20037-21switchtime22:08:280
16637991812,3cyclictest4896-21sed23:58:260
16637991812,3cyclictest32589-21grep22:38:170
16637991812,3cyclictest28193-21head00:48:340
16637991812,3cyclictest26054-21pzem_power19:58:250
16637991812,3cyclictest22669-21/usr/sbin/munin23:28:190
16637991812,3cyclictest14987-21/usr/sbin/munin20:48:360
16637991812,3cyclictest11213-21grep00:13:220
129062180,2sleep00-21swapper/023:05:200
101132180,3sleep10-21swapper/120:37:441
101132180,3sleep10-21swapper/120:37:441
314022170,2sleep20-21swapper/223:45:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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