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2024-04-26 - 11:35

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #a, slot #5

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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackaslot5s.osadl.org (updated Fri Apr 26, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811120,0rcu_preempt19-21ksoftirqd/121:09:381
811080,0rcu_preempt21727-1kworker/0:0H19:19:290
811030,0rcu_preempt19-21ksoftirqd/100:34:251
811020,0rcu_preempt19-21ksoftirqd/121:14:461
81960,0rcu_preempt19-21ksoftirqd/123:19:541
81950,0rcu_preempt19-21ksoftirqd/100:25:331
81850,0rcu_preempt19-21ksoftirqd/121:59:291
81840,0rcu_preempt19-21ksoftirqd/122:34:371
81830,0rcu_preempt19-21ksoftirqd/122:04:551
81790,0rcu_preempt19-21ksoftirqd/121:39:341
81770,0rcu_preempt19-21ksoftirqd/121:44:401
81760,0rcu_preempt23701-21cyclictest20:18:301
81760,0rcu_preempt19-21ksoftirqd/122:54:321
81760,0rcu_preempt19-21ksoftirqd/119:14:341
81750,0rcu_preempt19-21ksoftirqd/122:24:441
81750,0rcu_preempt19-21ksoftirqd/119:09:441
81750,0rcu_preempt19-21ksoftirqd/100:19:521
81740,0rcu_preempt0-21swapper/122:15:531
81730,0rcu_preempt19-21ksoftirqd/122:41:301
81720,0rcu_preempt19-21ksoftirqd/123:54:511
81710,0rcu_preempt27779-1kworker/1:1H23:44:481
81700,0rcu_preempt54-21kswapd000:17:581
81700,0rcu_preempt19-21ksoftirqd/120:39:501
81700,0rcu_preempt19-21ksoftirqd/100:09:531
81680,0rcu_preempt19-21ksoftirqd/121:35:471
81680,0rcu_preempt19-21ksoftirqd/100:35:291
81670,0rcu_preempt23686-21kworker/1:222:30:021
81660,0rcu_preempt19-21ksoftirqd/122:47:331
81650,0rcu_preempt19-21ksoftirqd/121:55:031
81640,0rcu_preempt19-21ksoftirqd/122:49:421
81630,0rcu_preempt19-21ksoftirqd/121:21:561
81620,0rcu_preempt19-21ksoftirqd/122:59:521
81620,0rcu_preempt19-21ksoftirqd/121:31:081
81620,0rcu_preempt19-21ksoftirqd/119:37:121
23702996223,0cyclictest0-21swapper/019:09:360
81610,0rcu_preempt19-21ksoftirqd/123:50:021
81600,0rcu_preempt19-21ksoftirqd/123:35:531
81600,0rcu_preempt19-21ksoftirqd/122:21:591
81600,0rcu_preempt19-21ksoftirqd/119:24:251
81580,0rcu_preempt19-21ksoftirqd/122:12:511
81580,0rcu_preempt19-21ksoftirqd/100:00:171
81570,0rcu_preempt3009-21kworker/1:123:39:261
81570,0rcu_preempt19-21ksoftirqd/120:29:571
23702995720,0cyclictest28778-1kworker/0:2H21:10:200
23702995717,0cyclictest14402-21ls20:19:260
24232560,0chrt10050irq/346-484840019:40:380
23702995519,0cyclictest17253-1kworker/0:0H21:32:100
81540,0rcu_preempt3-21ksoftirqd/020:04:430
81540,0rcu_preempt3-21ksoftirqd/019:04:460
81540,0rcu_preempt19-21ksoftirqd/123:04:341
81540,0rcu_preempt19-21ksoftirqd/119:59:291
23702995419,0cyclictest22507-1kworker/0:1H00:19:590
81530,0rcu_preempt19-21ksoftirqd/119:54:481
23702995316,0cyclictest28316-21ssh00:24:420
81520,0rcu_preempt19-21ksoftirqd/123:29:341
23702995215,0cyclictest1092850kworker/0:1H21:26:170
81510,0rcu_preempt19-21ksoftirqd/123:18:141
81510,0rcu_preempt19-21ksoftirqd/100:04:421
40792510,0chrt10050irq/346-484840019:45:550
23702995120,0cyclictest25691-21ssh21:41:500
23702995120,0cyclictest24574-21ssh23:38:320
81500,0rcu_preempt4568-21apt-get19:49:330
81500,0rcu_preempt19-21ksoftirqd/121:49:471
81500,0rcu_preempt19-21ksoftirqd/121:24:501
81500,0rcu_preempt19-21ksoftirqd/121:04:531
81500,0rcu_preempt19-21ksoftirqd/120:54:531
2370299509,0cyclictest10285-1kworker/0:2H23:23:290
23702995020,0cyclictest22629-21ssh21:38:400
23702995017,0cyclictest21925-1kworker/0:1H23:02:590
23702995015,0cyclictest15092-1kworker/0:1H00:07:050
81490,0rcu_preempt26982-21ping19:24:251
81490,0rcu_preempt19-21ksoftirqd/123:24:581
23702994919,0cyclictest27786-21ssh22:24:310
23702994916,0cyclictest4820-1kworker/0:0H21:17:480
23702994915,0cyclictest5453-1kworker/0:2H21:59:280
23702994915,0cyclictest14122-1kworker/0:0H22:57:190
23702994914,0cyclictest30192-1kworker/0:0H23:07:530
23702994912,0cyclictest1573-21rm23:10:140
81480,0rcu_preempt19-21ksoftirqd/123:12:191
81480,0rcu_preempt19-21ksoftirqd/120:19:571
23702994819,0cyclictest18799-21rm22:13:280
23702994819,0cyclictest10285-1kworker/0:2H23:25:500
23702994816,0cyclictest23550-1kworker/0:0H23:39:260
23702994814,0cyclictest3021-1kworker/0:1H23:51:120
23702994812,0cyclictest14514-1kworker/0:0H23:31:370
23702994812,0cyclictest0-21swapper/023:19:240
23702994811,0cyclictest0-21swapper/022:18:200
81470,0rcu_preempt3-21ksoftirqd/022:49:430
23702994722,0cyclictest5913-21ssh00:39:250
23702994721,0cyclictest15092-1kworker/0:1H00:10:380
23702994718,0cyclictest6567-21sendmail-msp21:19:300
23702994716,0cyclictest7092-21ssh21:59:220
23702994715,0cyclictest31299-1kworker/0:0H23:55:340
81460,0rcu_preempt3-21ksoftirqd/022:30:580
81460,0rcu_preempt3-21ksoftirqd/020:14:360
81460,0rcu_preempt19-21ksoftirqd/120:24:461
23702994621,0cyclictest11477-21ssh22:04:360
23702994619,0cyclictest31945-21munin-node0
23702994619,0cyclictest22507-1kworker/0:1H00:17:580
23702994618,0cyclictest10859-21taskset22:43:060
23702994618,0cyclictest10068-1kworker/0:1H22:44:570
23702994615,0cyclictest30699-21diskmemload23:59:580
23702994613,0cyclictest0-21swapper/023:44:260
23702994613,0cyclictest0-21swapper/022:37:190
23702994612,0cyclictest0-21swapper/019:29:550
81450,0rcu_preempt4871-21if_can019:49:441
81450,0rcu_preempt3-21ksoftirqd/020:24:370
81450,0rcu_preempt3-21ksoftirqd/020:09:450
81450,0rcu_preempt19-21ksoftirqd/120:34:371
81450,0rcu_preempt19-21ksoftirqd/120:34:371
23702994524,0cyclictest24690-21switchtime22:19:530
23702994513,0cyclictest27023-21latency_hist19:19:250
23702994513,0cyclictest0-21swapper/021:48:090
81440,0rcu_preempt3-21ksoftirqd/021:09:240
81440,0rcu_preempt3-21ksoftirqd/019:59:480
81440,0rcu_preempt24486-21df_inode20:49:401
81440,0rcu_preempt19-21ksoftirqd/119:04:401
23702994419,0cyclictest20896-21latency_hist20:39:250
23702994419,0cyclictest20896-21latency_hist20:39:250
23702994417,0cyclictest0-21swapper/000:29:430
81430,0rcu_preempt19-21ksoftirqd/120:44:471
81430,0rcu_preempt19-21ksoftirqd/120:04:571
81430,0rcu_preempt11335-21df_inode20:09:401
23702994327,0cyclictest6799-21munin-node0
23702994316,0cyclictest3-21ksoftirqd/019:34:350
23702994316,0cyclictest27121-1kworker/0:0H20:59:250
23702994224,0cyclictest812-21rngd20:54:310
23702994219,0cyclictest26982-21ping19:24:360
81410,0rcu_preempt3-21ksoftirqd/020:44:360
23702994124,0cyclictest24287-21apt-get20:49:350
23702994124,0cyclictest21742-21munin-node0
81400,0rcu_preempt19-21ksoftirqd/120:59:401
23702994010,0cyclictest17744-21cut20:29:360
81390,0rcu_preempt19-21ksoftirqd/119:40:221
10050350,0irq/346-48484000-21swapper/119:44:521
81320,0rcu_preempt19-21ksoftirqd/119:32:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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