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2024-06-18 - 03:50

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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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 rack3slot5s.osadl.org (updated Tue Jun 18, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121530ksoftirqd/1945650irq/30-eth0_g0_22:58:441
121460ksoftirqd/1945650irq/30-eth0_g0_23:25:371
121460ksoftirqd/1945650irq/30-eth0_g0_23:25:371
121460ksoftirqd/1945650irq/30-eth0_g0_23:13:421
121460ksoftirqd/1945650irq/30-eth0_g0_22:39:561
121460ksoftirqd/1945550irq/29-eth0_g0_23:24:410
121460ksoftirqd/1945550irq/29-eth0_g0_23:24:410
121450ksoftirqd/1945650irq/30-eth0_g0_21:32:031
945650440irq/30-eth0_g0_9454-21kworker/1:022:36:051
945650440irq/30-eth0_g0_9454-21kworker/1:021:22:421
945650440irq/30-eth0_g0_9454-21kworker/1:021:08:401
945550440irq/29-eth0_g0_0-21swapper/020:32:350
121440ksoftirqd/1945550irq/29-eth0_g0_00:32:181
945650430irq/30-eth0_g0_9454-21kworker/1:000:16:221
945550430irq/29-eth0_g0_13-21kworker/0:122:56:460
121430ksoftirqd/1945650irq/30-eth0_g0_22:16:171
121430ksoftirqd/1945650irq/30-eth0_g0_00:26:061
121430ksoftirqd/1945550irq/29-eth0_g0_23:42:331
945650420irq/30-eth0_g0_9454-21kworker/1:022:27:321
945550420irq/29-eth0_g0_9454-21kworker/1:022:47:421
945550420irq/29-eth0_g0_31ksoftirqd/000:09:290
945550420irq/29-eth0_g0_14878-21unixbench_multi19:02:400
945550420irq/29-eth0_g0_13-21kworker/0:123:10:030
945550420irq/29-eth0_g0_13-21kworker/0:100:05:380
121420ksoftirqd/1945550irq/29-eth0_g0_23:36:241
945650410irq/30-eth0_g0_9454-21kworker/1:023:51:421
945650410irq/30-eth0_g0_9454-21kworker/1:021:51:051
945550410irq/29-eth0_g0_6081-21sort21:52:340
945550410irq/29-eth0_g0_31ksoftirqd/021:32:320
945550410irq/29-eth0_g0_31ksoftirqd/000:31:280
945550410irq/29-eth0_g0_13-21kworker/0:100:17:280
945550410irq/29-eth0_g0_0-21swapper/022:12:390
945650400irq/30-eth0_g0_9454-21kworker/1:023:56:171
945650400irq/30-eth0_g0_9454-21kworker/1:021:14:251
945650400irq/30-eth0_g0_121ksoftirqd/122:42:040
945650400irq/30-eth0_g0_121ksoftirqd/122:34:270
945650400irq/30-eth0_g0_121ksoftirqd/121:19:441
945650400irq/30-eth0_g0_121ksoftirqd/121:19:441
945550400irq/29-eth0_g0_31ksoftirqd/023:17:370
945550400irq/29-eth0_g0_16339-21proc_pri19:12:350
945550400irq/29-eth0_g0_13-21kworker/0:123:01:310
945550400irq/29-eth0_g0_13-21kworker/0:122:25:010
945550400irq/29-eth0_g0_13-21kworker/0:122:20:310
945550400irq/29-eth0_g0_13-21kworker/0:121:08:220
945550400irq/29-eth0_g0_13-21kworker/0:100:35:000
121400ksoftirqd/1945550irq/29-eth0_g0_22:29:160
945650390irq/30-eth0_g0_9454-21kworker/1:023:05:591
945650390irq/30-eth0_g0_9454-21kworker/1:021:59:501
945650390irq/30-eth0_g0_9454-21kworker/1:000:03:251
945650390irq/30-eth0_g0_0-21swapper/122:11:181
945550390irq/29-eth0_g0_31ksoftirqd/022:09:560
945550390irq/29-eth0_g0_31ksoftirqd/021:47:110
945550390irq/29-eth0_g0_13-21kworker/0:123:45:130
945550390irq/29-eth0_g0_13-21kworker/0:123:31:320
945550390irq/29-eth0_g0_13-21kworker/0:121:40:570
945550390irq/29-eth0_g0_13-21kworker/0:121:30:250
945550390irq/29-eth0_g0_121ksoftirqd/123:09:241
945550390irq/29-eth0_g0_121ksoftirqd/100:15:420
1499999391cyclictest30844-21diskmemload22:22:301
121390ksoftirqd/1945650irq/30-eth0_g0_23:03:410
121390ksoftirqd/1945550irq/29-eth0_g0_20:37:411
945650380irq/30-eth0_g0_9454-21kworker/1:023:19:121
945650380irq/30-eth0_g0_9454-21kworker/1:022:42:171
945650380irq/30-eth0_g0_9454-21kworker/1:022:18:251
945650380irq/30-eth0_g0_9454-21kworker/1:022:05:031
945650380irq/30-eth0_g0_9454-21kworker/1:021:56:501
945650380irq/30-eth0_g0_14837-21/usr/sbin/munin19:02:391
945650380irq/30-eth0_g0_121ksoftirqd/123:57:181
945650380irq/30-eth0_g0_121ksoftirqd/122:54:081
945650380irq/30-eth0_g0_0-21swapper/121:40:231
945550380irq/29-eth0_g0_23342-21sendmail_mailqu20:17:380
945550380irq/29-eth0_g0_21824-21unixbench_multi20:07:480
945550380irq/29-eth0_g0_13876-21/usr/sbin/munin22:42:250
945550380irq/29-eth0_g0_13-21kworker/0:123:52:170
945550380irq/29-eth0_g0_13-21kworker/0:123:48:140
945550380irq/29-eth0_g0_13-21kworker/0:122:48:150
945550380irq/29-eth0_g0_13-21kworker/0:121:59:110
945550380irq/29-eth0_g0_13-21kworker/0:121:22:470
945550380irq/29-eth0_g0_13-21kworker/0:121:21:290
945550380irq/29-eth0_g0_13-21kworker/0:121:21:290
945550380irq/29-eth0_g0_13-21kworker/0:100:24:030
1499999381cyclictest24003-21ntpdc20:22:371
945650370irq/30-eth0_g0_9454-21kworker/1:000:28:241
945650370irq/30-eth0_g0_121ksoftirqd/121:45:011
945650370irq/30-eth0_g0_0-21swapper/123:39:521
945550370irq/29-eth0_g0_31ksoftirqd/022:02:350
945550370irq/29-eth0_g0_13-21kworker/0:123:41:430
945550370irq/29-eth0_g0_13-21kworker/0:123:14:540
945550370irq/29-eth0_g0_13-21kworker/0:121:48:150
945550370irq/29-eth0_g0_13-21kworker/0:121:14:440
1499999371cyclictest30844-21diskmemload23:27:321
1499999371cyclictest1984-21snmpd00:19:111
121370ksoftirqd/1945550irq/29-eth0_g0_19:22:161
121370ksoftirqd/1945550irq/29-eth0_g0_19:22:161
945650360irq/30-eth0_g0_121ksoftirqd/121:33:001
945550360irq/29-eth0_g0_30491-21ntp_offset21:02:360
945550360irq/29-eth0_g0_26800-21latency_hist20:42:170
945550360irq/29-eth0_g0_24400-21latency_hist20:27:160
945550360irq/29-eth0_g0_20597-21if_eth020:02:280
945550360irq/29-eth0_g0_16933-21cat19:17:330
945550360irq/29-eth0_g0_16933-21cat19:17:330
945550360irq/29-eth0_g0_1499899cyclictest23:32:370
945550360irq/29-eth0_g0_13-21kworker/0:123:59:460
945550360irq/29-eth0_g0_121ksoftirqd/100:11:501
1499999361cyclictest30375-21sort21:02:341
1499999361cyclictest25775-21find20:32:381
1499999361cyclictest15735-21unixbench_singl19:07:531
945550350irq/29-eth0_g0_24510-21sed20:27:260
945550350irq/29-eth0_g0_15749-21unixbench_singl19:07:530
1499999351cyclictest17886-21cat19:27:341
1499999351cyclictest17886-21cat19:27:341
945550340irq/29-eth0_g0_29946-21unixbench_multi20:57:390
945550340irq/29-eth0_g0_28807-21missed_timers20:52:320
945550340irq/29-eth0_g0_28807-21missed_timers20:52:320
945550340irq/29-eth0_g0_27076-21if_eth020:42:300
945550340irq/29-eth0_g0_22017-21egrep20:12:301
945550340irq/29-eth0_g0_0-21swapper/019:52:280
1499999341cyclictest29675-21ntp_kernel_pll_20:57:321
1499999341cyclictest21826-21unixbench_multi20:07:481
1499999341cyclictest16647-21cat19:17:161
1499999341cyclictest0-21swapper/120:32:161
945550330irq/29-eth0_g0_28450-21ls20:52:170
945550330irq/29-eth0_g0_0-21swapper/019:27:350
945550330irq/29-eth0_g0_0-21swapper/019:27:350
14999993317cyclictest21012-21grep20:02:371
1499999331cyclictest19018-21unixbench_multi19:32:401
1499999331cyclictest0-21swapper/120:17:381
1499999331cyclictest0-21swapper/119:52:311
945550320irq/29-eth0_g0_22381-21ntpdc20:12:370
945550320irq/29-eth0_g0_19232-21latency_hist19:42:160
945550320irq/29-eth0_g0_18716-21missed_timers19:32:320
945650310irq/30-eth0_g0_0-21swapper/120:52:371
945650310irq/30-eth0_g0_0-21swapper/120:52:371
945650310irq/30-eth0_g0_0-21swapper/119:42:161
945550310irq/29-eth0_g0_20307-21sshd20:01:400
945650300irq/30-eth0_g0_0-21swapper/120:47:401
945550290irq/29-eth0_g0_0-21swapper/019:27:160
14999992923cyclictest20349-21latency_hist20:02:161
14999992914cyclictest26940-21sed20:42:281
945550280irq/29-eth0_g0_17538-21sed19:27:161
945650250irq/30-eth0_g0_19414-21cat19:52:161
945650250irq/30-eth0_g0_0-21swapper/119:46:461
945550250irq/29-eth0_g0_0-21swapper/019:47:160
945650240irq/30-eth0_g0_0-21swapper/019:52:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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