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2024-11-22 - 08:40

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 376 highest latencies:
System rack3slot5s.osadl.org (updated Fri Nov 22, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840121500sleep0121550irq/29-eth0_g0_23:10:190
2526021430sleep0121550irq/29-eth0_g0_22:08:260
1478599143135cyclictest0-21swapper/100:29:411
2575621360sleep0121650irq/30-eth0_g0_00:26:080
843821120sleep1121550irq/29-eth0_g0_23:10:461
25992940sleep1121550irq/29-eth0_g0_22:49:081
132222890sleep1121550irq/29-eth0_g0_23:30:501
132222890sleep1121550irq/29-eth0_g0_23:30:501
201992820sleep0121550irq/29-eth0_g0_21:45:570
108482820sleep1121550irq/29-eth0_g0_23:20:391
121750ksoftirqd/1121650irq/30-eth0_g0_23:49:541
121690ksoftirqd/1121650irq/30-eth0_g0_00:20:141
121670ksoftirqd/1121650irq/30-eth0_g0_22:21:341
288782650sleep0121550irq/29-eth0_g0_22:23:220
230942610sleep0121550irq/29-eth0_g0_00:15:140
121580ksoftirqd/1121650irq/30-eth0_g0_21:05:101
37712550sleep0121650irq/30-eth0_g0_22:53:300
238212550sleep0121650irq/30-eth0_g0_22:00:440
121530ksoftirqd/1121650irq/30-eth0_g0_22:53:151
121530ksoftirqd/1121550irq/29-eth0_g0_23:59:001
199892520sleep0121550irq/29-eth0_g0_00:03:530
121520ksoftirqd/1121650irq/30-eth0_g0_00:11:121
121520ksoftirqd/1121550irq/29-eth0_g0_21:49:241
121510ksoftirqd/1121650irq/30-eth0_g0_23:01:331
121510ksoftirqd/1121650irq/30-eth0_g0_22:57:381
121510ksoftirqd/1121650irq/30-eth0_g0_22:44:081
121510ksoftirqd/1121650irq/30-eth0_g0_21:24:261
121510ksoftirqd/1121650irq/30-eth0_g0_00:00:331
121500ksoftirqd/1121650irq/30-eth0_g0_23:05:241
121500ksoftirqd/1121650irq/30-eth0_g0_21:30:181
121490ksoftirqd/1121650irq/30-eth0_g0_23:26:521
121490ksoftirqd/1121650irq/30-eth0_g0_23:26:521
121490ksoftirqd/1121650irq/30-eth0_g0_22:31:141
121490ksoftirqd/1121650irq/30-eth0_g0_21:16:081
121480ksoftirqd/1121650irq/30-eth0_g0_23:15:040
121480ksoftirqd/1121650irq/30-eth0_g0_22:18:481
121480ksoftirqd/1121650irq/30-eth0_g0_22:03:081
121480ksoftirqd/1121650irq/30-eth0_g0_21:51:031
121480ksoftirqd/1121650irq/30-eth0_g0_21:41:111
121480ksoftirqd/1121550irq/29-eth0_g0_23:23:120
266632470sleep0121550irq/29-eth0_g0_22:14:540
121470ksoftirqd/1121650irq/30-eth0_g0_23:36:031
121470ksoftirqd/1121550irq/29-eth0_g0_22:32:210
121470ksoftirqd/1121550irq/29-eth0_g0_21:17:550
121460ksoftirqd/1121650irq/30-eth0_g0_22:39:211
121460ksoftirqd/1121650irq/30-eth0_g0_22:26:591
121460ksoftirqd/1121650irq/30-eth0_g0_22:08:181
121460ksoftirqd/1121550irq/29-eth0_g0_00:09:120
121550450irq/29-eth0_g0_31ksoftirqd/021:30:200
121450ksoftirqd/1121650irq/30-eth0_g0_23:17:361
121450ksoftirqd/1121650irq/30-eth0_g0_21:28:481
121450ksoftirqd/1121650irq/30-eth0_g0_00:38:221
121450ksoftirqd/1121550irq/29-eth0_g0_23:41:410
151172440sleep0121550irq/29-eth0_g0_21:23:050
121440ksoftirqd/1121650irq/30-eth0_g0_20:30:141
121440ksoftirqd/1121650irq/30-eth0_g0_19:25:110
263662430sleep1121650irq/30-eth0_g0_22:12:031
121430ksoftirqd/1121650irq/30-eth0_g0_21:56:511
121430ksoftirqd/1121650irq/30-eth0_g0_21:00:040
121430ksoftirqd/1121650irq/30-eth0_g0_19:50:091
1478599422cyclictest28735-21sendmail_mailqu20:05:121
121550420irq/29-eth0_g0_31506-21/usr/sbin/munin22:35:150
121550420irq/29-eth0_g0_31ksoftirqd/022:49:520
121550420irq/29-eth0_g0_1478599cyclictest19:20:111
121420ksoftirqd/1121550irq/29-eth0_g0_21:54:140
1478599411cyclictest18854-21missed_timers19:25:081
121550410irq/29-eth0_g0_31ksoftirqd/022:42:510
121550410irq/29-eth0_g0_31ksoftirqd/000:11:260
121550410irq/29-eth0_g0_1985-21runrttasks20:18:440
121550410irq/29-eth0_g0_1985-21runrttasks19:07:160
1478599401cyclictest16901-21missed_timers23:50:051
121650400irq/30-eth0_g0_31ksoftirqd/023:34:360
121650400irq/30-eth0_g0_31ksoftirqd/023:34:360
121550400irq/29-eth0_g0_1985-21runrttasks19:44:540
121550400irq/29-eth0_g0_13-21kworker/0:123:25:560
121550400irq/29-eth0_g0_13-21kworker/0:123:25:560
121550400irq/29-eth0_g0_13-21kworker/0:121:40:250
121400ksoftirqd/11478599cyclictest20:49:541
121400ksoftirqd/1121650irq/30-eth0_g0_21:10:151
121400ksoftirqd/1121550irq/29-eth0_g0_21:56:570
1478599392cyclictest5494-21munin-run20:44:541
1478599391cyclictest31369-21unixbench_singl20:15:161
1478599391cyclictest23630-21grep19:45:091
1478599391cyclictest11614-21diskmemload00:05:071
121550390irq/29-eth0_g0_31ksoftirqd/023:59:260
121550390irq/29-eth0_g0_163102sleep023:47:440
121550390irq/29-eth0_g0_13-21kworker/0:122:55:010
121550390irq/29-eth0_g0_13-21kworker/0:121:14:010
121550390irq/29-eth0_g0_121ksoftirqd/121:26:010
121390ksoftirqd/1121650irq/30-eth0_g0_20:35:131
121390ksoftirqd/1121650irq/30-eth0_g0_20:25:121
1478599381cyclictest9189-21grep20:59:541
1478599381cyclictest21601-21unixbench_singl19:35:131
1478599381cyclictest1985-21runrttasks23:42:211
121650380irq/30-eth0_g0_26996-21seq00:32:541
121650380irq/30-eth0_g0_1985-21runrttasks19:56:470
121650380irq/30-eth0_g0_1985-21runrttasks19:56:470
121550380irq/29-eth0_g0_6260-21taskset23:03:560
121550380irq/29-eth0_g0_23994-21latency00:20:080
121550380irq/29-eth0_g0_1478499cyclictest00:37:550
121550380irq/29-eth0_g0_1478499cyclictest00:31:480
121550380irq/29-eth0_g0_13-21kworker/0:123:52:460
121550380irq/29-eth0_g0_13-21kworker/0:123:36:120
121550380irq/29-eth0_g0_13-21kworker/0:123:06:280
121550380irq/29-eth0_g0_13-21kworker/0:122:17:040
121550380irq/29-eth0_g0_13-21kworker/0:121:36:230
121550380irq/29-eth0_g0_0-21swapper/020:54:540
121380ksoftirqd/11478599cyclictest21:04:221
121380ksoftirqd/1121650irq/30-eth0_g0_00:15:071
1478599373cyclictest2135-21lldpd21:36:051
1478599372cyclictest27718-21grep20:00:161
1478599372cyclictest27718-21grep20:00:161
1478599371cyclictest32287-21ntpq20:20:101
121550370irq/29-eth0_g0_1985-21runrttasks20:40:480
121550370irq/29-eth0_g0_1478499cyclictest22:25:060
121370ksoftirqd/11478599cyclictest19:40:101
1478599362cyclictest15004-21df_abs19:10:051
1478599361cyclictest7268-21proc_pri20:50:131
1478599361cyclictest29818-21chrt20:10:111
1478599361cyclictest26323-21sendmail_mailqu19:55:121
1478599361cyclictest26323-21sendmail_mailqu19:55:121
1478599361cyclictest161682sleep119:15:051
121650360irq/30-eth0_g0_14120-21processes19:05:101
121550360irq/29-eth0_g0_32431-21sendmail_mailst20:20:130
121550360irq/29-eth0_g0_29738-21ls20:10:100
121550360irq/29-eth0_g0_2456-21find20:30:120
121550360irq/29-eth0_g0_21606-21awk19:35:130
121550350irq/29-eth0_g0_8209-21chrt20:55:030
121550350irq/29-eth0_g0_3744-21sort20:35:120
121550350irq/29-eth0_g0_31ksoftirqd/019:15:120
121550350irq/29-eth0_g0_28728-21rt-features20:05:120
121550350irq/29-eth0_g0_27022-21/usr/sbin/munin20:00:110
121550350irq/29-eth0_g0_27022-21/usr/sbin/munin20:00:110
121550350irq/29-eth0_g0_24486-21sort19:49:540
121550350irq/29-eth0_g0_20077-21ntp_kernel_err19:30:080
121550340irq/29-eth0_g0_6219-21unixbench_multi20:45:120
121550340irq/29-eth0_g0_25086-21ps19:50:130
121550340irq/29-eth0_g0_15272-21ntpq19:10:110
121550340irq/29-eth0_g0_10618-21df_abs21:05:050
1478599331cyclictest0-21swapper/119:30:131
121550330irq/29-eth0_g0_1985-21runrttasks19:20:050
121550320irq/29-eth0_g0_1199-21/usr/sbin/munin20:25:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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