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2025-02-15 - 11:59

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #4

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.
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 100 highest latencies:
System rack0slot4s.osadl.org (updated Sat Feb 15, 2025 00:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20242662367359,5sleep120-21swapper/1219:06:494
20241442365324,14sleep10-21swapper/119:05:351
20226792365357,5sleep30-21swapper/319:05:209
20244222364338,7sleep150-21swapper/1519:08:307
20242032357348,6sleep110-21swapper/1119:06:163
20243962356336,13sleep100-21swapper/1019:08:092
20243332352332,13sleep40-21swapper/419:07:3010
20243132352332,13sleep70-21swapper/719:07:1813
20244502350330,13sleep140-21swapper/1419:08:456
20242392350331,12sleep00-21swapper/019:06:380
20241822350330,13sleep80-21swapper/819:05:5714
20245492349341,5sleep50-21swapper/519:09:5711
20209362349330,12sleep90-21swapper/919:05:1015
20243532347327,13sleep130-21swapper/1319:07:405
20243382347326,14sleep60-21swapper/619:07:3312
20241932347327,13sleep20-21swapper/219:06:078
2025005994242,0cyclictest0-21swapper/422:42:4610
2025005994242,0cyclictest0-21swapper/420:36:5510
202500299429,30cyclictest2329038-21kworker/u32:0+flush-259:023:15:209
2025005993939,0cyclictest0-21swapper/419:37:2310
2025034993838,0cyclictest0-21swapper/1222:42:464
2025034993838,0cyclictest0-21swapper/1222:39:304
2025034993838,0cyclictest0-21swapper/1220:00:264
2025005993838,0cyclictest0-21swapper/422:52:3710
2025005993838,0cyclictest0-21swapper/421:33:5510
2025034993737,0cyclictest0-21swapper/1222:05:204
2025034993737,0cyclictest0-21swapper/1221:19:454
2025005993737,0cyclictest0-21swapper/422:47:0410
2025005993737,0cyclictest0-21swapper/420:06:1610
2025005993737,0cyclictest0-21swapper/400:18:2110
2025005993737,0cyclictest0-21swapper/400:01:3610
2025040993636,0cyclictest0-21swapper/1419:30:166
2025034993636,0cyclictest0-21swapper/1221:28:154
2025034993636,0cyclictest0-21swapper/1221:21:134
2025034993636,0cyclictest0-21swapper/1200:20:444
2025005993636,0cyclictest0-21swapper/423:27:4610
2025005993636,0cyclictest0-21swapper/422:35:1810
2025040993535,0cyclictest0-21swapper/1422:46:146
2025034993535,0cyclictest0-21swapper/1221:12:194
2025002993527,4cyclictest1177-21dbus-daemon23:07:469
2025040993434,0cyclictest0-21swapper/1420:01:056
2025040993434,0cyclictest0-21swapper/1419:37:226
202503099340,30cyclictest0-21swapper/1119:50:093
2025021993410,11cyclictest0-21swapper/923:46:0015
2025040993333,0cyclictest0-21swapper/1422:35:146
2025040993333,0cyclictest0-21swapper/1421:01:026
2025034993333,0cyclictest0-21swapper/1219:37:234
2025034993333,0cyclictest0-21swapper/1219:33:504
2025034993232,0cyclictest0-21swapper/1223:07:424
2025034993232,0cyclictest0-21swapper/1219:26:324
2025034993231,1cyclictest2033394-21kworker/12:0-mm_percpu_wq23:00:424
2025034993231,1cyclictest0-21swapper/1223:27:464
202503099320,30cyclictest0-21swapper/1122:06:383
202502199321,30cyclictest0-21swapper/921:14:4415
2025005993231,1cyclictest2062379-21kworker/u32:2+flush-259:019:55:2410
2025042993130,1cyclictest2111-21snmpd23:41:597
202504299312,26cyclictest0-21swapper/1521:15:147
202504299310,30cyclictest0-21swapper/1500:31:337
2025040993131,0cyclictest0-21swapper/1423:58:076
2025040993131,0cyclictest0-21swapper/1421:28:156
2025034993131,0cyclictest0-21swapper/1222:49:574
2025034993131,0cyclictest0-21swapper/1221:48:184
2025030993128,3cyclictest2111-21snmpd21:16:353
202503099310,30cyclictest0-21swapper/1119:41:123
2025019993130,1cyclictest2111-21snmpd21:24:2514
2025019993130,1cyclictest2111-21snmpd19:36:3914
2025019993129,1cyclictest2111-21snmpd23:58:1114
202501999310,30cyclictest0-21swapper/823:48:3814
202501199310,30cyclictest0-21swapper/619:10:1612
202501199310,30cyclictest0-21swapper/619:10:1512
202501199310,30cyclictest0-21swapper/600:06:0812
202500999310,30cyclictest0-21swapper/521:01:3311
202500599310,30cyclictest0-21swapper/419:30:1810
2025002993130,1cyclictest0-21swapper/322:32:009
2025002993129,2cyclictest2336424-21mii-tool23:20:119
202499699310,30cyclictest0-21swapper/122:59:221
2025042993029,1cyclictest2111-21snmpd19:35:537
2025040993030,0cyclictest0-21swapper/1421:21:136
2025040993030,0cyclictest0-21swapper/1420:36:556
2025040993030,0cyclictest0-21swapper/1400:30:216
2025040993030,0cyclictest0-21swapper/1400:20:446
2025040993029,1cyclictest2111-21snmpd23:35:386
2025040993029,1cyclictest0-21swapper/1420:23:456
2025039993029,1cyclictest2111-21snmpd21:58:065
2025039993029,1cyclictest2111-21snmpd21:37:525
202503499300,1cyclictest0-21swapper/1221:50:504
2025030993029,1cyclictest2274594-21kworker/11:1+events23:28:593
2025030993029,1cyclictest2209398-21kworker/11:2+events21:57:053
2025030993029,1cyclictest2209398-21kworker/11:2+events21:41:533
2025030993029,1cyclictest2111-21snmpd23:04:403
2025030993029,1cyclictest2111-21snmpd22:43:443
202503099300,30cyclictest0-21swapper/1120:54:523
2025025993029,1cyclictest2111-21snmpd22:39:412
2025025993029,1cyclictest2111-21snmpd20:20:342
2025025993029,1cyclictest2111-21snmpd19:54:332
202502599300,29cyclictest0-21swapper/1022:41:062
202502599300,29cyclictest0-21swapper/1020:40:092
202502599300,1cyclictest0-21swapper/1020:36:152
2025021993029,1cyclictest2111-21snmpd21:33:1315
202502199300,30cyclictest0-21swapper/920:39:4315
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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