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2024-05-26 - 08:34

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #2

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 rack0slot2s.osadl.org (updated Sun May 26, 2024 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298053499446445,1cyclictest3117965-21kworker/9:1+events23:51:589
298053499446445,1cyclictest3071622-21kworker/9:2+events21:57:509
298053499446445,1cyclictest3007651-21kworker/9:0+events19:59:449
298053499445444,1cyclictest3127258-21kworker/9:0+events23:46:079
298053499444443,1cyclictest3018329-21kworker/9:1+events20:42:019
298053499442442,0cyclictest3060875-21kworker/9:0+events21:52:229
298053499442441,1cyclictest2980055-21kworker/9:1+events19:13:209
298053499441440,1cyclictest3127258-21kworker/9:0+pm23:43:219
298053499441440,1cyclictest3087617-21kworker/9:0+events22:32:449
298053499441439,2cyclictest3146106-21turbostat00:24:559
298053499440439,1cyclictest3138036-21kworker/9:1+events00:18:179
298053499440439,1cyclictest3050528-21kworker/9:2+events21:30:439
298053299440437,3cyclictest574863-21snmpd19:39:328
298053499439438,1cyclictest3092991-21kworker/9:2+events22:46:029
298053499438437,1cyclictest2999608-21kworker/9:0+pm19:41:089
298053499436435,1cyclictest3117965-21kworker/9:1+events23:57:039
298053499432432,0cyclictest3117965-21kworker/9:1+events23:29:009
298053499432431,1cyclictest3111602-21turbostat23:19:569
298053499432431,1cyclictest3108634-21kworker/9:0+pm23:14:349
298053499431429,2cyclictest3042642-21turbostat21:09:559
298053499429428,1cyclictest3034416-21kworker/9:0+pm20:46:409
298053299427425,2cyclictest574863-21snmpd23:14:558
298053499426425,1cyclictest3060875-21kworker/9:0+events21:49:299
298053499423422,1cyclictest3024075-21turbostat20:34:559
298053499423422,1cyclictest3021423-21turbostat20:29:549
298053499422421,1cyclictest3114254-21turbostat23:24:559
298051499421419,2cyclictest574863-21snmpd22:50:553
298053499420419,1cyclictest3018329-21kworker/9:1+events20:35:529
298053499415415,0cyclictest3156429-21kworker/9:0+events00:36:509
298053499412411,1cyclictest3153756-21kworker/9:1+events00:32:139
298053299409407,2cyclictest574863-21snmpd19:41:088
298052499404403,1cyclictest574863-21snmpd22:52:346
298053299403402,1cyclictest574863-21snmpd20:43:068
298051499402402,0cyclictest19-1pr/ttyS021:52:223
298053299398397,1cyclictest574863-21snmpd21:25:558
298053499394394,0cyclictest2988867-21kworker/9:0+events19:32:519
298051499394394,0cyclictest57150irq/143-i91519:14:553
298053499392391,1cyclictest3002280-21kworker/9:1+pm19:46:299
298051499391391,0cyclictest57150irq/143-i91519:42:553
298051499390388,2cyclictest57150irq/143-i91522:49:553
298050399390389,1cyclictest574863-21snmpd20:49:400
298053299389388,1cyclictest574863-21snmpd20:46:408
298052899388385,3cyclictest574863-21snmpd20:13:007
298051499388388,0cyclictest57150irq/143-i91521:57:193
298053499387386,1cyclictest3007864-21turbostat20:04:569
298051499387387,0cyclictest57150irq/143-i91522:19:433
298051499386386,0cyclictest57150irq/143-i91523:15:223
298051499386386,0cyclictest57150irq/143-i91523:14:023
298051499386386,0cyclictest57150irq/143-i91523:09:243
298051499386386,0cyclictest57150irq/143-i91519:57:343
298051499386386,0cyclictest57150irq/143-i91519:20:443
298053499385385,0cyclictest3018329-21kworker/9:1+events21:17:529
298051499385385,0cyclictest57150irq/143-i91522:59:413
298051499385385,0cyclictest57150irq/143-i91522:10:423
298051499385385,0cyclictest57150irq/143-i91522:09:373
298051499385385,0cyclictest57150irq/143-i91519:17:063
298051499385385,0cyclictest57150irq/143-i91500:29:313
298053499384383,1cyclictest2994293-21turbostat19:39:569
298051499384384,0cyclictest57150irq/143-i91523:52:413
298051499384384,0cyclictest57150irq/143-i91523:32:593
298051499384384,0cyclictest57150irq/143-i91523:32:583
298051499384384,0cyclictest57150irq/143-i91523:26:053
298051499384384,0cyclictest57150irq/143-i91522:34:113
298051499384384,0cyclictest57150irq/143-i91521:28:173
298051499384384,0cyclictest57150irq/143-i91521:18:133
298051499384384,0cyclictest57150irq/143-i91521:09:343
298051499384384,0cyclictest57150irq/143-i91520:59:353
298051499384384,0cyclictest57150irq/143-i91520:26:283
298051499384384,0cyclictest57150irq/143-i91520:06:483
298051499384384,0cyclictest57150irq/143-i91519:35:243
298051499383383,0cyclictest57150irq/143-i91523:22:113
298051499383383,0cyclictest57150irq/143-i91523:04:473
298051499383383,0cyclictest57150irq/143-i91522:21:363
298051499383383,0cyclictest57150irq/143-i91521:36:063
298051499383383,0cyclictest57150irq/143-i91521:22:313
298051499383383,0cyclictest57150irq/143-i91521:14:263
298051499383383,0cyclictest57150irq/143-i91520:41:403
298051499383383,0cyclictest57150irq/143-i91520:36:333
298051499383383,0cyclictest57150irq/143-i91520:20:203
298051499383383,0cyclictest57150irq/143-i91520:02:353
298051499383383,0cyclictest57150irq/143-i91519:46:173
298051499383383,0cyclictest57150irq/143-i91519:28:263
298051499383383,0cyclictest57150irq/143-i91500:08:383
298051499383383,0cyclictest57150irq/143-i91500:04:523
298051499383382,1cyclictest57150irq/143-i91523:43:093
298051499382382,0cyclictest57150irq/143-i91523:59:253
298051499382382,0cyclictest57150irq/143-i91523:45:453
298051499382382,0cyclictest57150irq/143-i91523:37:193
298051499382382,0cyclictest57150irq/143-i91523:37:193
298051499382382,0cyclictest57150irq/143-i91521:47:363
298051499382382,0cyclictest57150irq/143-i91521:34:423
298051499382382,0cyclictest57150irq/143-i91521:02:243
298051499382382,0cyclictest57150irq/143-i91520:32:523
298051499381381,0cyclictest57150irq/143-i91522:04:243
298051499381381,0cyclictest57150irq/143-i91520:45:443
298051499381381,0cyclictest57150irq/143-i91500:37:133
298051499380380,0cyclictest57150irq/143-i91520:52:403
298051499380380,0cyclictest57150irq/143-i91520:15:443
298051499380380,0cyclictest57150irq/143-i91519:54:203
298051499380380,0cyclictest57150irq/143-i91519:30:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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