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2025-05-09 - 05:40

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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.
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 rack8slot6s.osadl.org (updated Fri May 09, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27598992019,1cyclictest65850irq/126-lan21:30:381
27598991918,1cyclictest65850irq/126-lan22:33:271
27598991918,1cyclictest65850irq/126-lan22:25:151
27598991918,1cyclictest65850irq/126-lan21:15:181
27598991918,1cyclictest65850irq/126-lan00:30:121
27598991918,1cyclictest65850irq/126-lan00:05:031
27598991918,1cyclictest65850irq/126-lan00:02:161
27598991818,0cyclictest65850irq/126-lan23:45:551
27598991818,0cyclictest65850irq/126-lan22:47:071
27598991818,0cyclictest65850irq/126-lan22:02:051
27598991818,0cyclictest65850irq/126-lan21:27:441
27598991818,0cyclictest65850irq/126-lan19:25:001
27598991817,1cyclictest65850irq/126-lan23:22:031
27598991817,1cyclictest65850irq/126-lan23:15:111
27598991817,1cyclictest65850irq/126-lan23:10:141
27598991817,1cyclictest65850irq/126-lan22:57:441
27598991817,1cyclictest65850irq/126-lan22:05:151
27598991817,1cyclictest65850irq/126-lan21:49:541
27598991817,1cyclictest65850irq/126-lan21:35:151
27598991817,1cyclictest65850irq/126-lan00:36:021
27598991817,1cyclictest65850irq/126-lan00:20:171
27598991816,2cyclictest65850irq/126-lan21:50:151
27598991717,0cyclictest65850irq/126-lan22:15:211
27598991717,0cyclictest65850irq/126-lan21:21:511
27598991717,0cyclictest65850irq/126-lan21:00:131
27598991716,1cyclictest65850irq/126-lan23:56:491
27598991716,1cyclictest65850irq/126-lan23:40:181
27598991716,1cyclictest65850irq/126-lan23:37:541
27598991716,1cyclictest65850irq/126-lan23:25:201
27598991716,1cyclictest65850irq/126-lan23:00:291
27598991716,1cyclictest65850irq/126-lan22:50:191
27598991716,1cyclictest65850irq/126-lan22:40:231
27598991716,1cyclictest65850irq/126-lan22:37:391
27598991716,1cyclictest65850irq/126-lan21:10:191
27598991716,1cyclictest65850irq/126-lan20:50:151
27598991716,1cyclictest65850irq/126-lan19:30:151
27598991716,1cyclictest65850irq/126-lan00:15:531
27598991616,0cyclictest65850irq/126-lan20:10:151
27598991616,0cyclictest65850irq/126-lan00:25:131
27598991616,0cyclictest65850irq/126-lan00:10:191
27598991615,1cyclictest65850irq/126-lan23:52:581
27598991615,1cyclictest65850irq/126-lan23:05:301
27598991615,1cyclictest65850irq/126-lan22:22:121
27598991615,1cyclictest65850irq/126-lan21:56:461
27598991615,1cyclictest65850irq/126-lan21:40:291
27598991615,1cyclictest65850irq/126-lan20:00:111
27594991615,1cyclictest6633-21kworker/0:2+events22:28:200
27607991515,0cyclictest765-21snmpd19:56:143
27607991515,0cyclictest765-21snmpd00:31:063
27607991515,0cyclictest739-21ntpd20:30:173
27598991515,0cyclictest65850irq/126-lan22:10:311
27598991515,0cyclictest65850irq/126-lan20:16:111
27598991515,0cyclictest65850irq/126-lan19:15:141
27598991514,1cyclictest65850irq/126-lan23:30:231
27607991414,0cyclictest765-21snmpd22:40:303
27607991414,0cyclictest765-21snmpd22:16:403
27607991414,0cyclictest765-21snmpd22:02:123
27607991414,0cyclictest765-21snmpd19:30:523
27607991414,0cyclictest739-21ntpd23:39:593
27607991414,0cyclictest739-21ntpd23:23:253
27607991414,0cyclictest2632-21cat21:45:143
27607991414,0cyclictest11137-21cat21:55:133
27607991413,1cyclictest765-21snmpd21:09:173
27598991414,0cyclictest65850irq/126-lan20:08:121
27598991414,0cyclictest65850irq/126-lan19:20:101
27598991413,1cyclictest65850irq/126-lan20:35:131
27598991413,1cyclictest65850irq/126-lan19:48:241
27607991313,0cyclictest765-21snmpd23:15:553
27607991313,0cyclictest765-21snmpd22:50:083
27607991313,0cyclictest765-21snmpd20:13:483
27607991313,0cyclictest765-21snmpd19:26:343
27607991313,0cyclictest765-21snmpd00:22:243
27607991313,0cyclictest765-21snmpd00:01:353
27607991313,0cyclictest739-21ntpd21:53:543
27607991313,0cyclictest739-21ntpd21:40:143
27607991313,0cyclictest739-21ntpd21:24:323
27607991313,0cyclictest3606-21cat23:00:153
27607991313,0cyclictest18216-21cat21:25:193
27598991313,0cyclictest65850irq/126-lan21:05:131
27598991313,0cyclictest65850irq/126-lan20:25:181
27598991313,0cyclictest65850irq/126-lan20:25:171
27598991313,0cyclictest65850irq/126-lan19:41:121
27598991313,0cyclictest65850irq/126-lan19:35:151
27607991212,0cyclictest765-21snmpd22:47:143
27607991212,0cyclictest765-21snmpd21:35:153
27607991212,0cyclictest765-21snmpd21:32:293
27607991212,0cyclictest765-21snmpd20:29:043
27607991212,0cyclictest765-21snmpd20:29:033
27607991212,0cyclictest765-21snmpd20:20:193
27607991212,0cyclictest765-21snmpd19:42:233
27607991212,0cyclictest739-21ntpd00:05:113
27598991212,0cyclictest65850irq/126-lan20:45:151
27598991212,0cyclictest65850irq/126-lan19:55:121
27598991212,0cyclictest65850irq/126-lan19:50:101
27598991111,0cyclictest65850irq/126-lan20:20:131
27598991110,1cyclictest65850irq/126-lan19:10:141
276079999,0cyclictest765-21snmpd21:16:083
276079998,1cyclictest765-21snmpd22:20:493
275989998,1cyclictest65850irq/126-lan20:55:171
275989998,1cyclictest65850irq/126-lan20:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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