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2024-04-20 - 12:19

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 highest latencies:
System rackaslot5s.osadl.org (updated Sat Apr 20, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811060,0rcu_preempt2836-21kworker/0:100:24:330
81960,0rcu_preempt3-21ksoftirqd/022:06:340
81910,0rcu_preempt19-21ksoftirqd/122:19:311
81880,0rcu_preempt19-21ksoftirqd/123:54:191
81800,0rcu_preempt19-21ksoftirqd/123:34:521
81780,0rcu_preempt3-21ksoftirqd/023:15:190
9950770,0irq/345-4848400111rcuc/021:09:500
81760,0rcu_preempt3-21ksoftirqd/023:12:510
81760,0rcu_preempt3-21ksoftirqd/023:12:510
81760,0rcu_preempt0-21swapper/123:20:141
9950750,0irq/345-4848400316462sleep023:21:320
81740,0rcu_preempt3-21ksoftirqd/023:52:130
81740,0rcu_preempt3-21ksoftirqd/000:20:550
81730,0rcu_preempt3-21ksoftirqd/000:35:580
81720,0rcu_preempt3-21ksoftirqd/021:27:400
9950710,0irq/345-4848400111rcuc/023:48:200
81710,0rcu_preempt3-21ksoftirqd/023:59:400
81710,0rcu_preempt3-21ksoftirqd/022:24:180
81710,0rcu_preempt3-21ksoftirqd/021:34:000
81710,0rcu_preempt3-21ksoftirqd/021:19:210
993199702,0cyclictest0-21swapper/000:30:310
81700,0rcu_preempt3-21ksoftirqd/023:59:260
81700,0rcu_preempt3-21ksoftirqd/023:25:130
81700,0rcu_preempt3-21ksoftirqd/023:05:230
81700,0rcu_preempt3-21ksoftirqd/022:31:440
81700,0rcu_preempt3-21ksoftirqd/022:26:070
81700,0rcu_preempt3-21ksoftirqd/021:50:370
81700,0rcu_preempt3-21ksoftirqd/021:42:370
81700,0rcu_preempt3-21ksoftirqd/020:24:430
81700,0rcu_preempt3-21ksoftirqd/000:16:360
81700,0rcu_preempt19-21ksoftirqd/122:59:291
81700,0rcu_preempt19-21ksoftirqd/121:39:321
81690,0rcu_preempt3-21ksoftirqd/022:55:210
81690,0rcu_preempt3-21ksoftirqd/022:46:470
81690,0rcu_preempt3-21ksoftirqd/021:46:180
81690,0rcu_preempt3-21ksoftirqd/021:22:050
10050690,0irq/346-484840041ktimersoftd/019:19:310
9950680,0irq/345-4848400111rcuc/023:00:130
81680,0rcu_preempt3-21ksoftirqd/023:31:000
81680,0rcu_preempt3-21ksoftirqd/023:31:000
81680,0rcu_preempt3-21ksoftirqd/000:08:540
81670,0rcu_preempt812-21rngd22:49:560
81670,0rcu_preempt3-21ksoftirqd/022:14:390
81670,0rcu_preempt3-21ksoftirqd/022:03:500
9950660,0irq/345-484840041ktimersoftd/023:36:360
993199669,0cyclictest24235-21ssh21:55:050
81660,0rcu_preempt3-21ksoftirqd/019:49:530
81660,0rcu_preempt22524-21ssh21:14:581
81660,0rcu_preempt19-21ksoftirqd/119:29:301
993199651,0cyclictest8200-1kworker/0:0H21:37:230
993199651,0cyclictest11881-1kworker/0:0H23:39:530
81650,0rcu_preempt19-21ksoftirqd/123:09:211
81640,0rcu_preempt19-21ksoftirqd/120:59:301
993199632,0cyclictest31644-21ssh22:44:010
993199632,0cyclictest10114-21taskset00:14:020
993199622,0cyclictest0-21swapper/022:37:090
993199621,0cyclictest5187-1kworker/0:2H22:12:550
993199621,0cyclictest13208-21ping19:19:490
993199613,0cyclictest26101-21ping19:59:310
993199611,0cyclictest794-21dropbear20:19:420
81610,0rcu_preempt25834-21apt-get21:19:421
81610,0rcu_preempt19-21ksoftirqd/123:42:581
81610,0rcu_preempt19-21ksoftirqd/100:19:411
993199602,0cyclictest7085-21cat20:39:300
993199602,0cyclictest7085-21cat20:39:300
993199601,0cyclictest11413-21timerwakeupswit20:50:020
993199601,0cyclictest11413-21timerwakeupswit20:50:020
81600,0rcu_preempt7881-21ntp_states20:39:550
81600,0rcu_preempt12121-21apt-get20:54:390
993199592,0cyclictest13208-21ping19:44:300
993199592,0cyclictest0-21swapper/021:05:020
81590,0rcu_preempt19-21ksoftirqd/121:49:481
993199582,0cyclictest0-21swapper/020:29:390
81580,0rcu_preempt9057-21diskstats20:44:450
81580,0rcu_preempt19-21ksoftirqd/123:48:121
81580,0rcu_preempt19-21ksoftirqd/123:27:291
81580,0rcu_preempt19-21ksoftirqd/119:59:461
993199572,0cyclictest0-21swapper/020:14:450
993199571,0cyclictest13761-21taskset20:59:320
993199571,0cyclictest13208-21ping19:29:530
81570,0rcu_preempt25060-21diskstats19:54:510
81570,0rcu_preempt19-21ksoftirqd/122:13:531
993199564,0cyclictest30719-21grep20:10:030
993199562,0cyclictest22649-21runrttasks19:45:160
993199561,0cyclictest19823-21grep19:39:300
81560,0rcu_preempt19-21ksoftirqd/121:24:451
81560,0rcu_preempt19-21ksoftirqd/100:24:481
81550,0rcu_preempt19-21ksoftirqd/100:18:571
993199542,0cyclictest0-21swapper/020:04:540
993199542,0cyclictest0-21swapper/020:04:540
81540,0rcu_preempt19-21ksoftirqd/122:59:571
81540,0rcu_preempt19-21ksoftirqd/120:04:531
81540,0rcu_preempt19-21ksoftirqd/120:04:531
993199532,0cyclictest13208-21ping19:24:400
993199521,0cyclictest11253-1kworker/0:2H19:14:290
81520,0rcu_preempt19-21ksoftirqd/120:59:391
81520,0rcu_preempt19-21ksoftirqd/120:20:021
81520,0rcu_preempt19-21ksoftirqd/120:19:301
81520,0rcu_preempt0-21swapper/120:24:461
81510,0rcu_preempt19-21ksoftirqd/123:09:541
81510,0rcu_preempt19-21ksoftirqd/123:09:541
81500,0rcu_preempt19-21ksoftirqd/123:15:141
993299497,0cyclictest32688-21munin-node1
81490,0rcu_preempt19-21ksoftirqd/119:19:341
81490,0rcu_preempt19-21ksoftirqd/100:04:441
9932994813,0cyclictest7453-21ssh22:14:501
9950470,0irq/345-4848400993299cyclictest23:30:001
9950470,0irq/345-4848400993299cyclictest23:30:001
993299477,0cyclictest21976-21aten_rapower_cu00:29:391
9950460,0irq/345-4848400993299cyclictest22:29:381
993199467,0cyclictest812-21rngd19:09:290
81460,0rcu_preempt19-21ksoftirqd/122:44:271
81460,0rcu_preempt19-21ksoftirqd/100:34:421
993299456,0cyclictest16654-1kworker/1:0H21:54:411
993299452,0cyclictest32653-21ssh22:05:151
81450,0rcu_preempt19-21ksoftirqd/122:51:471
81450,0rcu_preempt19-21ksoftirqd/121:44:411
81450,0rcu_preempt19-21ksoftirqd/100:13:491
9950440,0irq/345-4848400993299cyclictest19:19:291
993299449,0cyclictest654-21proc_pri22:45:041
993299449,0cyclictest4461-1kworker/1:0H21:34:391
993299449,0cyclictest19467-1kworker/1:2H19:39:331
993299448,0cyclictest54-21kswapd022:24:381
993299442,0cyclictest2154-21ssh21:29:391
9932994411,0cyclictest1420-21runrttasks20:11:131
81440,0rcu_preempt19-21ksoftirqd/123:54:371
993299439,0cyclictest5747-21df20:34:441
993299439,0cyclictest5747-21df20:34:441
993299436,0cyclictest1848-1kworker/1:0H20:39:471
993299436,0cyclictest13208-21ping19:44:521
993299436,0cyclictest13208-21ping19:35:021
993299435,0cyclictest812-21rngd22:34:391
993299435,0cyclictest16654-1kworker/1:0H22:03:151
993299432,0cyclictest0-21swapper/119:54:481
81430,0rcu_preempt19-21ksoftirqd/121:10:091
993299428,0cyclictest9483-21munin-node1
993299425,0cyclictest4731-21switchtime20:29:551
993299425,0cyclictest0-21swapper/119:13:201
9950410,0irq/345-4848400993299cyclictest19:49:491
993299418,0cyclictest9950irq/345-484840020:49:381
993299418,0cyclictest9950irq/345-484840020:49:381
993299415,0cyclictest15825-21if_eth021:04:521
993299415,0cyclictest13208-21ping19:29:561
81400,0rcu_preempt19-21ksoftirqd/119:04:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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