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2023-12-08 - 22:47

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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  Eltec
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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 rack3slot5s.osadl.org (updated Fri Dec 08, 2023 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211230ksoftirqd/11641150irq/30-eth0_g0_10:00:291
1211230ksoftirqd/11641150irq/30-eth0_g0_10:00:291
121990ksoftirqd/11641150irq/30-eth0_g0_09:02:241
86382860sleep11641050irq/29-eth0_g0_12:00:551
86382860sleep11641050irq/29-eth0_g0_12:00:551
126982830chrt1641150irq/30-eth0_g0_12:19:461
126982830chrt1641150irq/30-eth0_g0_12:19:461
121710ksoftirqd/176452chrt07:34:450
155622610sleep11641150irq/30-eth0_g0_08:05:161
121540ksoftirqd/11641150irq/30-eth0_g0_09:31:111
121530ksoftirqd/11641150irq/30-eth0_g0_10:47:151
121530ksoftirqd/11641150irq/30-eth0_g0_10:47:151
121520ksoftirqd/11641050irq/29-eth0_g0_10:33:211
121520ksoftirqd/11641050irq/29-eth0_g0_10:33:211
121500ksoftirqd/11641050irq/29-eth0_g0_10:00:510
121500ksoftirqd/11641050irq/29-eth0_g0_10:00:510
121480ksoftirqd/11641050irq/29-eth0_g0_10:05:441
121480ksoftirqd/11641050irq/29-eth0_g0_10:05:441
121480ksoftirqd/11641050irq/29-eth0_g0_09:22:171
121470ksoftirqd/11641050irq/29-eth0_g0_09:37:051
121470ksoftirqd/11641050irq/29-eth0_g0_09:37:051
94332460sleep11641150irq/30-eth0_g0_09:54:051
94332460sleep11641150irq/30-eth0_g0_09:54:051
121460ksoftirqd/11641150irq/30-eth0_g0_09:12:311
121460ksoftirqd/11641150irq/30-eth0_g0_09:12:311
121450ksoftirqd/11641150irq/30-eth0_g0_11:23:491
121450ksoftirqd/11641150irq/30-eth0_g0_11:23:491
121450ksoftirqd/11641050irq/29-eth0_g0_12:37:481
121450ksoftirqd/11641050irq/29-eth0_g0_12:37:481
121450ksoftirqd/11641050irq/29-eth0_g0_12:12:461
121450ksoftirqd/11641050irq/29-eth0_g0_12:12:461
121450ksoftirqd/11641050irq/29-eth0_g0_11:23:000
121450ksoftirqd/11641050irq/29-eth0_g0_11:23:000
1641050440irq/29-eth0_g0_2603-21runrttasks07:07:500
1641050440irq/29-eth0_g0_121ksoftirqd/110:18:090
121440ksoftirqd/11641050irq/29-eth0_g0_09:17:551
121440ksoftirqd/11641050irq/29-eth0_g0_07:54:171
1641150430irq/30-eth0_g0_11-21kworker/1:012:25:421
25272420sleep11641150irq/30-eth0_g0_11:36:181
25272420sleep11641150irq/30-eth0_g0_11:36:181
1641150420irq/30-eth0_g0_11-21kworker/1:011:25:401
1641150420irq/30-eth0_g0_11-21kworker/1:011:25:401
1641150420irq/30-eth0_g0_10153-21sendmail_mailqu09:55:271
1641150420irq/30-eth0_g0_10153-21sendmail_mailqu09:55:271
1641050420irq/29-eth0_g0_1825-21kworker/0:211:46:200
1641050420irq/29-eth0_g0_1825-21kworker/0:211:46:200
121420ksoftirqd/11641050irq/29-eth0_g0_12:18:240
121420ksoftirqd/11641050irq/29-eth0_g0_12:18:240
121420ksoftirqd/11641050irq/29-eth0_g0_12:05:040
121420ksoftirqd/11641050irq/29-eth0_g0_10:23:171
121420ksoftirqd/11641050irq/29-eth0_g0_10:13:061
121420ksoftirqd/11641050irq/29-eth0_g0_10:13:061
121420ksoftirqd/11641050irq/29-eth0_g0_08:20:111
121420ksoftirqd/11641050irq/29-eth0_g0_08:20:111
121420ksoftirqd/11641050irq/29-eth0_g0_07:10:101
1641050410irq/29-eth0_g0_31ksoftirqd/007:50:060
1641050410irq/29-eth0_g0_0-21swapper/008:25:080
121410ksoftirqd/11641150irq/30-eth0_g0_09:17:230
121410ksoftirqd/11641150irq/30-eth0_g0_07:12:100
216582400sleep11641150irq/30-eth0_g0_10:43:351
216582400sleep11641150irq/30-eth0_g0_10:43:351
1641150400irq/30-eth0_g0_11-21kworker/1:011:10:471
1641150400irq/30-eth0_g0_11-21kworker/1:011:10:471
1641150400irq/30-eth0_g0_11-21kworker/1:009:40:121
1641150400irq/30-eth0_g0_11-21kworker/1:009:40:121
1641050400irq/29-eth0_g0_31ksoftirqd/011:08:570
1641050400irq/29-eth0_g0_31ksoftirqd/011:08:570
141399408cyclictest1641150irq/30-eth0_g0_09:25:281
121400ksoftirqd/11641050irq/29-eth0_g0_11:54:000
121400ksoftirqd/11641050irq/29-eth0_g0_11:54:000
121400ksoftirqd/11641050irq/29-eth0_g0_11:48:451
121400ksoftirqd/11641050irq/29-eth0_g0_11:48:451
121400ksoftirqd/11641050irq/29-eth0_g0_08:19:421
1641150390irq/30-eth0_g0_726-21proc_pri07:05:091
1641050390irq/29-eth0_g0_2603-21runrttasks11:24:530
1641050390irq/29-eth0_g0_2603-21runrttasks11:24:530
1641050390irq/29-eth0_g0_1825-21kworker/0:212:38:560
1641050390irq/29-eth0_g0_1825-21kworker/0:212:38:560
1641050390irq/29-eth0_g0_1825-21kworker/0:212:31:260
1641050390irq/29-eth0_g0_1825-21kworker/0:212:01:080
1641050390irq/29-eth0_g0_1825-21kworker/0:212:01:080
1641050390irq/29-eth0_g0_1825-21kworker/0:209:27:480
1641050390irq/29-eth0_g0_1825-21kworker/0:209:13:250
1641050390irq/29-eth0_g0_1825-21kworker/0:209:13:250
1641050390irq/29-eth0_g0_121ksoftirqd/112:19:530
1641050390irq/29-eth0_g0_121ksoftirqd/112:19:530
141399391cyclictest9544-21proc_pri12:05:291
141399391cyclictest20594-21grep08:25:141
121390ksoftirqd/11641050irq/29-eth0_g0_07:45:051
1641150380irq/30-eth0_g0_11-21kworker/1:011:19:131
1641150380irq/30-eth0_g0_11-21kworker/1:011:19:131
1641150380irq/30-eth0_g0_11-21kworker/1:010:53:201
1641150380irq/30-eth0_g0_11-21kworker/1:010:53:201
1641150380irq/30-eth0_g0_11-21kworker/1:010:37:021
1641150380irq/30-eth0_g0_11-21kworker/1:010:37:021
1641050380irq/29-eth0_g0_31ksoftirqd/009:34:580
1641050380irq/29-eth0_g0_31ksoftirqd/009:34:580
1641050380irq/29-eth0_g0_2603-21runrttasks08:38:360
1641050380irq/29-eth0_g0_2100-21ntpdc11:35:170
1641050380irq/29-eth0_g0_2100-21ntpdc11:35:170
1641050380irq/29-eth0_g0_1825-21kworker/0:211:30:050
1641050380irq/29-eth0_g0_1825-21kworker/0:211:12:050
1641050380irq/29-eth0_g0_1825-21kworker/0:211:12:050
1641050380irq/29-eth0_g0_1825-21kworker/0:210:13:350
1641050380irq/29-eth0_g0_1825-21kworker/0:210:13:350
1641050380irq/29-eth0_g0_1825-21kworker/0:209:20:270
1641050380irq/29-eth0_g0_121ksoftirqd/112:10:550
1641050380irq/29-eth0_g0_121ksoftirqd/112:10:550
1641050380irq/29-eth0_g0_10505-21ntp_kernel_pll_07:45:090
141399389cyclictest0-21swapper/110:26:021
141399389cyclictest0-21swapper/110:26:021
141399381cyclictest30861-21diskmemload12:30:091
141399381cyclictest26768-21unixbench_singl08:50:171
121380ksoftirqd/11641150irq/30-eth0_g0_12:24:121
121380ksoftirqd/11641150irq/30-eth0_g0_12:24:121
121380ksoftirqd/11641150irq/30-eth0_g0_08:51:260
121380ksoftirqd/11641050irq/29-eth0_g0_10:55:340
121380ksoftirqd/11641050irq/29-eth0_g0_10:55:340
121380ksoftirqd/11641050irq/29-eth0_g0_10:50:330
121380ksoftirqd/11641050irq/29-eth0_g0_10:50:330
121380ksoftirqd/11641050irq/29-eth0_g0_09:47:230
121380ksoftirqd/11641050irq/29-eth0_g0_09:47:230
1641150370irq/30-eth0_g0_11-21kworker/1:011:41:241
1641150370irq/30-eth0_g0_11-21kworker/1:011:41:241
1641150370irq/30-eth0_g0_11-21kworker/1:011:01:311
1641150370irq/30-eth0_g0_11-21kworker/1:011:01:311
1641150370irq/30-eth0_g0_11-21kworker/1:009:45:091
1641150370irq/30-eth0_g0_11-21kworker/1:009:45:091
1641050370irq/29-eth0_g0_8619-21chrt09:50:110
1641050370irq/29-eth0_g0_8619-21chrt09:50:110
1641050370irq/29-eth0_g0_4023-21/usr/sbin/munin09:30:310
1641050370irq/29-eth0_g0_27955-21grep08:55:170
1641050370irq/29-eth0_g0_2603-21runrttasks11:02:550
1641050370irq/29-eth0_g0_2603-21runrttasks11:02:550
1641050370irq/29-eth0_g0_2603-21runrttasks09:58:340
1641050370irq/29-eth0_g0_2603-21runrttasks09:58:340
1641050370irq/29-eth0_g0_2603-21runrttasks08:02:310
1641050370irq/29-eth0_g0_2603-21runrttasks08:02:310
1641050370irq/29-eth0_g0_2603-21runrttasks07:54:540
1641050370irq/29-eth0_g0_1825-21kworker/0:211:57:250
1641050370irq/29-eth0_g0_1825-21kworker/0:211:57:250
1641050370irq/29-eth0_g0_1825-21kworker/0:210:43:370
1641050370irq/29-eth0_g0_1825-21kworker/0:210:43:370
1641050370irq/29-eth0_g0_0-21swapper/107:15:031
141399371cyclictest6814-21ntp_kernel_err07:30:041
141399371cyclictest6814-21ntp_kernel_err07:30:041
141399371cyclictest54522sleep111:49:591
141399371cyclictest54522sleep111:49:591
141399371cyclictest4085-21df_abs07:19:581
141399371cyclictest30446-21grep09:05:161
141399371cyclictest23873-21latency08:40:041
121370ksoftirqd/11641150irq/30-eth0_g0_09:04:300
121370ksoftirqd/11641050irq/29-eth0_g0_08:39:411
1641150360irq/30-eth0_g0_14177-21ntp_kernel_err08:00:081
1641150360irq/30-eth0_g0_14177-21ntp_kernel_err08:00:081
1641150360irq/30-eth0_g0_11-21kworker/1:011:55:341
1641150360irq/30-eth0_g0_11-21kworker/1:011:55:341
1641150360irq/30-eth0_g0_11-21kworker/1:010:56:351
1641150360irq/30-eth0_g0_11-21kworker/1:010:56:351
1641050360irq/29-eth0_g0_6729-21memory07:30:010
1641050360irq/29-eth0_g0_6729-21memory07:30:010
1641050360irq/29-eth0_g0_31ksoftirqd/009:40:310
1641050360irq/29-eth0_g0_31ksoftirqd/009:40:310
1641050360irq/29-eth0_g0_29797-21df09:04:580
1641050360irq/29-eth0_g0_29370-21df_inode11:15:020
1641050360irq/29-eth0_g0_29370-21df_inode11:15:020
1641050360irq/29-eth0_g0_2603-21runrttasks10:34:280
1641050360irq/29-eth0_g0_2603-21runrttasks10:34:280
1641050360irq/29-eth0_g0_2603-21runrttasks10:23:240
1641050360irq/29-eth0_g0_2603-21runrttasks08:40:000
1641050360irq/29-eth0_g0_2603-21runrttasks08:32:090
1641050360irq/29-eth0_g0_2603-21runrttasks08:20:400
1641050360irq/29-eth0_g0_2603-21runrttasks08:20:400
1641050360irq/29-eth0_g0_2603-21runrttasks08:15:450
1641050360irq/29-eth0_g0_2603-21runrttasks08:09:500
1641050360irq/29-eth0_g0_2603-21runrttasks08:08:290
1641050360irq/29-eth0_g0_2603-21runrttasks07:40:340
1641050360irq/29-eth0_g0_19901-21ps10:35:270
1641050360irq/29-eth0_g0_19901-21ps10:35:270
1641050360irq/29-eth0_g0_1825-21kworker/0:212:27:540
1641050360irq/29-eth0_g0_1825-21kworker/0:210:07:120
1641050360irq/29-eth0_g0_1825-21kworker/0:210:07:120
1641050360irq/29-eth0_g0_121ksoftirqd/110:45:360
1641050360irq/29-eth0_g0_121ksoftirqd/110:45:360
141399361cyclictest8961-21sed07:40:001
141399361cyclictest30861-21diskmemload10:16:011
141399361cyclictest25438-21cat08:45:231
141399361cyclictest21872-21grep08:30:181
141399361cyclictest13056-21processes07:55:121
1641050350irq/29-eth0_g0_5011-21runrttasks07:23:340
1641050350irq/29-eth0_g0_3560-21runrttasks07:15:560
1641050350irq/29-eth0_g0_2603-21runrttasks10:25:570
1641050350irq/29-eth0_g0_2603-21runrttasks10:25:570
1641050350irq/29-eth0_g0_2603-21runrttasks07:27:530
1641050350irq/29-eth0_g0_25452-21timerandwakeup08:45:230
1641050350irq/29-eth0_g0_1825-21kworker/0:211:40:220
1641050350irq/29-eth0_g0_1825-21kworker/0:211:40:220
141399351cyclictest27930-21tail08:55:171
141399351cyclictest27095-21cat11:05:131
141399351cyclictest27095-21cat11:05:131
141399351cyclictest0-21swapper/107:35:561
1641150340irq/30-eth0_g0_11-21kworker/1:011:32:561
1641150340irq/30-eth0_g0_0-21swapper/108:10:041
121330ksoftirqd/15818-21sort07:25:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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