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2024-05-30 - 03:26

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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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 Wed May 29, 2024 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810,0rcu_preempt3-21ksoftirqd/010:21:310
81810,0rcu_preempt19683-21kworker/0:008:40:150
81800,0rcu_preempt3-21ksoftirqd/008:20:100
237042790,0sleep09950irq/345-484840011:56:530
259052770,0sleep19950irq/345-484840011:14:501
81760,0rcu_preempt3-21ksoftirqd/009:46:490
81760,0rcu_preempt3-21ksoftirqd/009:22:110
172552760,0sleep19950irq/345-484840011:48:111
81750,0rcu_preempt3-21ksoftirqd/012:05:230
81750,0rcu_preempt3-21ksoftirqd/009:40:090
81740,0rcu_preempt19-21ksoftirqd/110:21:081
81730,0rcu_preempt784-21rngd07:40:010
81730,0rcu_preempt3-21ksoftirqd/008:58:140
81720,0rcu_preempt3-21ksoftirqd/010:27:020
142002720,0sleep010050irq/346-484840008:01:340
81710,0rcu_preempt784-21rngd12:13:160
81700,0rcu_preempt3-21ksoftirqd/012:20:040
81700,0rcu_preempt3-21ksoftirqd/007:45:200
81690,0rcu_preempt3-21ksoftirqd/012:38:260
9950680,0irq/345-4848400171rcuc/111:38:581
81680,0rcu_preempt3-21ksoftirqd/009:15:250
81670,0rcu_preempt3-21ksoftirqd/010:55:210
81670,0rcu_preempt3-21ksoftirqd/009:12:270
81660,0rcu_preempt3-21ksoftirqd/011:40:420
81660,0rcu_preempt3-21ksoftirqd/010:43:400
81660,0rcu_preempt3-21ksoftirqd/010:01:140
81660,0rcu_preempt3-21ksoftirqd/009:52:250
81650,0rcu_preempt3-21ksoftirqd/012:28:500
81650,0rcu_preempt12939-21kworker/1:109:20:221
81640,0rcu_preempt3-21ksoftirqd/009:34:030
81640,0rcu_preempt3-21ksoftirqd/009:34:030
81640,0rcu_preempt12653-1kworker/0:4H09:25:220
81630,0rcu_preempt1406-21runrttasks07:24:120
81620,0rcu_preempt3-21ksoftirqd/009:00:380
140732620,0sleep19950irq/345-484840012:27:461
81610,0rcu_preempt3-21ksoftirqd/011:46:200
10050610,0irq/346-484840028134-1kworker/0:0H11:20:090
81590,0rcu_preempt3-21ksoftirqd/009:57:540
81580,0rcu_preempt54-21kswapd011:02:200
81580,0rcu_preempt3-21ksoftirqd/012:17:370
81580,0rcu_preempt19-21ksoftirqd/111:32:451
10050580,0irq/346-484840015601-21ssh12:30:030
10050580,0irq/346-484840015601-21ssh12:30:030
9950570,0irq/345-4848400181ktimersoftd/112:20:161
81570,0rcu_preempt3-21ksoftirqd/011:05:280
81560,0rcu_preempt54-21kswapd010:14:210
81560,0rcu_preempt3-21ksoftirqd/009:38:060
81560,0rcu_preempt19-21ksoftirqd/108:04:491
42912560,0chrt9950irq/345-484840009:57:151
285692560,0chrt9950irq/345-484840010:32:020
218662560,0chrt9950irq/345-484840012:37:401
127202560,0sleep010050irq/346-484840007:58:280
127202560,0sleep010050irq/346-484840007:58:280
81550,0rcu_preempt3-21ksoftirqd/012:00:450
81550,0rcu_preempt3-21ksoftirqd/011:27:410
81550,0rcu_preempt3-21ksoftirqd/010:50:380
179172550,0sleep09950irq/345-484840010:16:510
10050550,0irq/346-484840032445-1kworker/1:2H12:10:281
81540,0rcu_preempt0-21swapper/112:06:451
327572540,0sleep09950irq/345-484840007:19:500
10050540,0irq/346-484840054-21kswapd010:30:231
81530,0rcu_preempt19-21ksoftirqd/109:17:021
10050520,0irq/346-484840022381-1kworker/1:1H08:30:261
10050520,0irq/346-484840020149-1kworker/1:2H11:55:291
81510,0rcu_preempt54-21kswapd012:02:371
81510,0rcu_preempt3-21ksoftirqd/010:07:230
10050510,0irq/346-484840014222-1kworker/1:1H10:12:531
10050510,0irq/346-48484001150-1kworker/1:3H10:40:101
10050510,0irq/346-48484001080-1kworker/0:4H07:25:070
58052500,0chrt9950irq/345-484840010:45:290
10050500,0irq/346-484840022500-21sort11:09:501
10050500,0irq/346-484840016588-1kworker/1:0H09:33:271
10050500,0irq/346-484840016588-1kworker/1:0H09:33:271
81490,0rcu_preempt19-21ksoftirqd/112:31:561
81490,0rcu_preempt19-21ksoftirqd/112:31:561
81490,0rcu_preempt19-21ksoftirqd/107:40:181
81490,0rcu_preempt19-21ksoftirqd/107:23:161
81490,0rcu_preempt12939-21kworker/1:107:55:321
81490,0rcu_preempt12939-21kworker/1:107:55:321
81490,0rcu_preempt0-21swapper/108:44:271
27262490,0sleep19950irq/345-484840011:26:551
10050490,0irq/346-484840023923-1kworker/0:1H11:13:300
81480,0rcu_preempt19-21ksoftirqd/108:10:141
81480,0rcu_preempt19-21ksoftirqd/107:25:331
81480,0rcu_preempt0-21swapper/109:37:281
176982480,0sleep010050irq/346-484840008:14:070
10050480,0irq/346-48484006205-21runrttasks07:38:490
10050480,0irq/346-484840019488-21munin-run10:19:501
10050480,0irq/346-48484000-21swapper/011:19:490
81470,0rcu_preempt784-21rngd07:33:201
81470,0rcu_preempt19-21ksoftirqd/108:18:421
10050470,0irq/346-48484003095-1kworker/1:0H09:10:241
10050470,0irq/346-484840029822-1kworker/1:2H10:39:171
9950460,0irq/345-48484000-21swapper/008:05:150
81460,0rcu_preempt19-21ksoftirqd/110:52:111
81460,0rcu_preempt19-21ksoftirqd/110:25:121
81460,0rcu_preempt19-21ksoftirqd/108:25:321
81460,0rcu_preempt19-21ksoftirqd/108:05:181
296482460,0chrt9950irq/345-484840011:19:551
104842460,0sleep19950irq/345-484840010:05:441
10050460,0irq/346-484840017459-1kworker/1:1H08:20:081
10050460,0irq/346-484840016588-1kworker/1:0H09:29:051
81450,0rcu_preempt3-21ksoftirqd/011:30:280
81450,0rcu_preempt3-21ksoftirqd/008:35:170
81450,0rcu_preempt19-21ksoftirqd/111:39:541
4350450,0irq/32-4330000028173-21dropbear07:05:080
10050450,0irq/346-48484006303-21taskset12:17:441
10050450,0irq/346-48484001283-21lldpd08:30:290
9950440,0irq/345-48484001406-21runrttasks09:07:480
81440,0rcu_preempt19-21ksoftirqd/111:18:261
81440,0rcu_preempt19-21ksoftirqd/110:02:221
81440,0rcu_preempt19-21ksoftirqd/107:34:581
10050440,0irq/346-484840054-21kswapd009:41:311
10050440,0irq/346-484840027307-1kworker/0:4H08:50:090
10050440,0irq/346-48484000-21swapper/011:53:120
9950430,0irq/345-48484007662-21aten_rapower_vo11:35:030
9950430,0irq/345-484840030198-21runrttasks10:35:020
9950430,0irq/345-48484000-21swapper/007:30:280
81430,0rcu_preempt19-21ksoftirqd/108:55:061
81430,0rcu_preempt19-21ksoftirqd/107:45:081
81430,0rcu_preempt19-21ksoftirqd/107:19:511
81430,0rcu_preempt1406-21runrttasks09:47:201
10050430,0irq/346-484840019092-1kworker/0:2H08:17:250
81420,0rcu_preempt19-21ksoftirqd/111:51:161
81420,0rcu_preempt19-21ksoftirqd/110:55:171
81420,0rcu_preempt19-21ksoftirqd/107:05:221
81420,0rcu_preempt1198-21ssh09:53:161
81410,0rcu_preempt28363-21meminfo08:45:220
81410,0rcu_preempt19-21ksoftirqd/109:00:091
10050410,0irq/346-48484009264-1kworker/0:0H07:50:180
10050410,0irq/346-484840017458-1kworker/0:1H08:25:220
10050410,0irq/346-48484001150-1kworker/1:3H10:49:041
81400,0rcu_preempt3-21ksoftirqd/007:10:110
81400,0rcu_preempt19-21ksoftirqd/111:00:051
81400,0rcu_preempt19-21ksoftirqd/107:14:501
81400,0rcu_preempt12939-21kworker/1:108:45:121
81400,0rcu_preempt0-21swapper/109:07:041
251542400,0sleep19950irq/345-484840008:35:241
81390,0rcu_preempt19-21ksoftirqd/107:50:181
81370,0rcu_preempt54-21kswapd008:50:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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