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2024-12-26 - 20:25

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 highest latencies:
System rackaslot5s.osadl.org (updated Thu Dec 26, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770,0rcu_preempt19-21ksoftirqd/111:55:141
9950610,0irq/345-484840019-21ksoftirqd/112:34:511
9950610,0irq/345-484840019-21ksoftirqd/110:34:161
81600,0rcu_preempt19-21ksoftirqd/111:10:081
81600,0rcu_preempt19-21ksoftirqd/109:32:591
9950590,0irq/345-48484000-21swapper/112:01:421
9950590,0irq/345-48484000-21swapper/112:01:421
81570,0rcu_preempt19-21ksoftirqd/111:08:001
81560,0rcu_preempt19-21ksoftirqd/111:33:111
81550,0rcu_preempt19-21ksoftirqd/110:56:031
81550,0rcu_preempt16602-21kworker/u4:211:37:081
81540,0rcu_preempt19-21ksoftirqd/111:15:441
81540,0rcu_preempt19-21ksoftirqd/111:03:071
81540,0rcu_preempt19-21ksoftirqd/107:19:421
10050540,0irq/346-4848400181ktimersoftd/110:12:301
10050530,0irq/346-48484009661-1kworker/0:2H11:03:020
10050530,0irq/346-48484003086-1kworker/0:1H11:43:080
81520,0rcu_preempt3-21ksoftirqd/012:01:140
81520,0rcu_preempt3-21ksoftirqd/012:01:140
81520,0rcu_preempt16602-21kworker/u4:212:15:471
81520,0rcu_preempt16602-21kworker/u4:212:15:471
1599520,0migration/027865-21taskset11:22:180
10050520,0irq/346-48484003086-1kworker/0:1H11:31:340
10050520,0irq/346-484840022571-1kworker/0:3H11:26:190
10050520,0irq/346-48484001781-1kworker/0:1H10:14:480
81510,0rcu_preempt31698-21kworker/1:112:24:101
81510,0rcu_preempt19-21ksoftirqd/110:19:581
10050510,0irq/346-48484003086-1kworker/0:1H11:34:540
81500,0rcu_preempt31698-21kworker/1:112:31:571
81500,0rcu_preempt19-21ksoftirqd/112:06:341
81500,0rcu_preempt19-21ksoftirqd/108:09:411
10050500,0irq/346-484840028965-1kworker/0:0H09:21:430
10050500,0irq/346-484840027918-1kworker/0:4H12:38:440
9950490,0irq/345-48484000-21swapper/110:35:011
10050490,0irq/346-484840021726-1kworker/0:2H10:37:320
10050490,0irq/346-484840015451-1kworker/0:0H10:40:080
10050490,0irq/346-48484000-21swapper/111:26:061
81480,0rcu_preempt3-21ksoftirqd/008:19:040
81480,0rcu_preempt31698-21kworker/1:110:50:481
81480,0rcu_preempt19-21ksoftirqd/108:25:021
81480,0rcu_preempt19-21ksoftirqd/108:18:371
81480,0rcu_preempt19-21ksoftirqd/108:00:011
10050480,0irq/346-48484002293-21ssh12:08:120
9950470,0irq/345-484840031927-21ping08:24:560
9950470,0irq/345-48484000-21swapper/011:44:450
9950470,0irq/345-48484000-21swapper/007:35:020
81470,0rcu_preempt22813-21diskmemload12:22:230
81470,0rcu_preempt22813-21diskmemload11:05:380
81470,0rcu_preempt22813-21diskmemload10:49:520
81470,0rcu_preempt22813-21diskmemload09:37:171
81470,0rcu_preempt19-21ksoftirqd/110:15:111
81470,0rcu_preempt19-21ksoftirqd/109:58:591
81470,0rcu_preempt19-21ksoftirqd/109:39:571
81470,0rcu_preempt19127-21ping07:24:401
10050470,0irq/346-48484005736-1kworker/0:1H12:13:530
10050470,0irq/346-484840029472-21ssh10:47:050
10050470,0irq/346-484840020622-1kworker/0:1H11:58:190
10050470,0irq/346-484840014307-21ssh10:27:480
9950460,0irq/345-484840023445-21ssh09:55:400
9950460,0irq/345-48484000-21swapper/007:39:430
81460,0rcu_preempt3-21ksoftirqd/011:13:230
81460,0rcu_preempt3-21ksoftirqd/010:57:590
81460,0rcu_preempt31698-21kworker/1:111:21:481
10050460,0irq/346-48484008252-1kworker/0:1H09:35:020
10050460,0irq/346-484840029644-21ssh09:18:210
10050460,0irq/346-484840019127-21ping07:25:280
81450,0rcu_preempt753-21rngd07:25:431
81450,0rcu_preempt19-21ksoftirqd/111:49:571
81450,0rcu_preempt19-21ksoftirqd/107:45:051
81450,0rcu_preempt19-21ksoftirqd/107:42:301
81450,0rcu_preempt19-21ksoftirqd/107:37:541
81450,0rcu_preempt19-21ksoftirqd/107:30:101
81450,0rcu_preempt19-21ksoftirqd/107:09:571
81450,0rcu_preempt14759-21apt-get08:44:511
81450,0rcu_preempt13302-21dropbear08:39:541
81450,0rcu_preempt11140-21kworker/0:107:04:540
10050450,0irq/346-484840029084-1kworker/0:3H10:09:530
10050450,0irq/346-484840014182-1kworker/0:3H09:46:280
9950440,0irq/345-48484000-21swapper/010:20:470
81440,0rcu_preempt4351-21munin-node0
81440,0rcu_preempt22813-21diskmemload12:33:070
81440,0rcu_preempt22571-1kworker/0:3H11:16:400
81440,0rcu_preempt19-21ksoftirqd/109:19:591
81440,0rcu_preempt19-21ksoftirqd/109:14:471
81440,0rcu_preempt19-21ksoftirqd/109:09:591
81440,0rcu_preempt19-21ksoftirqd/109:09:591
81440,0rcu_preempt19-21ksoftirqd/108:11:091
1584499443,0cyclictest31927-21ping08:19:580
10050440,0irq/346-48484005736-1kworker/0:1H12:14:520
10050440,0irq/346-48484005736-1kworker/0:1H12:14:520
10050440,0irq/346-484840029084-1kworker/0:3H10:06:310
10050440,0irq/346-484840017470-1kworker/0:0H07:15:090
10050440,0irq/346-48484000-21swapper/011:53:400
9950430,0irq/345-48484003140-21seq08:09:410
81430,0rcu_preempt753-21rngd09:47:401
81430,0rcu_preempt19-21ksoftirqd/111:46:141
81430,0rcu_preempt19-21ksoftirqd/110:49:251
81430,0rcu_preempt19-21ksoftirqd/109:59:551
81430,0rcu_preempt19-21ksoftirqd/109:26:161
81430,0rcu_preempt19-21ksoftirqd/108:20:091
81430,0rcu_preempt12309-21grep08:35:100
1584499436,0cyclictest0-21swapper/008:13:150
10050430,0irq/346-484840024476-21ssh09:10:390
10050430,0irq/346-484840024476-21ssh09:10:390
10050430,0irq/346-484840015840-21df10:29:510
9950420,0irq/345-484840032307-21latency_hist07:59:420
9950420,0irq/345-484840012338-21idleruntime09:39:590
81420,0rcu_preempt22813-21diskmemload09:50:041
81420,0rcu_preempt19-21ksoftirqd/112:24:411
81420,0rcu_preempt19-21ksoftirqd/112:10:061
81420,0rcu_preempt19-21ksoftirqd/111:40:531
81420,0rcu_preempt19-21ksoftirqd/110:26:191
81420,0rcu_preempt19-21ksoftirqd/110:08:051
1599420,0migration/01916-21runrttasks09:25:200
10050420,0irq/346-484840030656-21ls07:54:410
10050420,0irq/346-484840019685-21munin-node0
10050420,0irq/346-484840015002-1kworker/0:1H12:25:390
9950410,0irq/345-48484000-21swapper/007:45:160
81410,0rcu_preempt19-21ksoftirqd/110:40:251
81410,0rcu_preempt14182-1kworker/0:3H09:49:550
10050410,0irq/346-484840025685-1kworker/0:2H10:00:000
10050410,0irq/346-484840023758-1kworker/0:0H07:59:430
10050410,0irq/346-48484001239-21snmpd07:22:360
9950400,0irq/345-48484009820-21munin-node0
9950400,0irq/345-484840022795-21fschecks_count07:30:000
9950400,0irq/345-484840014790-21cut08:44:520
81400,0rcu_preempt19-21ksoftirqd/108:35:091
81400,0rcu_preempt0-21swapper/107:54:571
10050400,0irq/346-484840014193-1kworker/0:2H07:10:080
81390,0rcu_preempt3-21ksoftirqd/009:05:540
81390,0rcu_preempt3-21ksoftirqd/008:53:380
81390,0rcu_preempt19886-21df_inode08:59:531
81390,0rcu_preempt19-21ksoftirqd/107:08:521
10050390,0irq/346-484840017534-1kworker/0:3H08:55:090
81380,0rcu_preempt19-21ksoftirqd/108:56:271
81380,0rcu_preempt17167-21ps08:50:051
9950370,0irq/345-48484000-21swapper/008:39:520
81370,0rcu_preempt19-21ksoftirqd/109:04:571
81350,0rcu_preempt19-21ksoftirqd/108:29:551
81350,0rcu_preempt19-21ksoftirqd/107:53:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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