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2024-07-12 - 17:06

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 Sun Jun 30, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121670ksoftirqd/1945650irq/30-eth0_g0_00:23:171
121650ksoftirqd/1945650irq/30-eth0_g0_22:21:501
121640ksoftirqd/1945650irq/30-eth0_g0_23:36:490
121520ksoftirqd/1945650irq/30-eth0_g0_23:41:041
121520ksoftirqd/1945550irq/29-eth0_g0_22:26:371
121500ksoftirqd/1945650irq/30-eth0_g0_23:03:021
121500ksoftirqd/1945650irq/30-eth0_g0_22:28:141
121490ksoftirqd/1945650irq/30-eth0_g0_23:17:281
121490ksoftirqd/1945650irq/30-eth0_g0_23:14:061
121490ksoftirqd/1945550irq/29-eth0_g0_20:47:131
121480ksoftirqd/1945650irq/30-eth0_g0_19:07:051
121480ksoftirqd/1945650irq/30-eth0_g0_00:16:221
121480ksoftirqd/1945550irq/29-eth0_g0_21:32:061
945550470irq/29-eth0_g0_13-21kworker/0:122:17:230
945550470irq/29-eth0_g0_13-21kworker/0:122:12:200
121470ksoftirqd/1945650irq/30-eth0_g0_23:13:380
121470ksoftirqd/1945650irq/30-eth0_g0_23:09:241
121470ksoftirqd/1945550irq/29-eth0_g0_22:57:491
32639994611cyclictest21652-21missed_timers21:17:181
121460ksoftirqd/1945650irq/30-eth0_g0_23:58:561
121460ksoftirqd/1945650irq/30-eth0_g0_22:09:520
121460ksoftirqd/1945650irq/30-eth0_g0_21:58:320
121460ksoftirqd/1945650irq/30-eth0_g0_21:51:000
121460ksoftirqd/1945650irq/30-eth0_g0_21:41:340
121460ksoftirqd/1945650irq/30-eth0_g0_00:27:161
121460ksoftirqd/1945550irq/29-eth0_g0_21:15:491
945550450irq/29-eth0_g0_19976-21memory00:27:120
121450ksoftirqd/1945650irq/30-eth0_g0_21:56:491
121450ksoftirqd/1945550irq/29-eth0_g0_22:37:191
121440ksoftirqd/1945650irq/30-eth0_g0_23:41:511
121440ksoftirqd/1945650irq/30-eth0_g0_22:46:420
121440ksoftirqd/1945650irq/30-eth0_g0_22:03:060
121440ksoftirqd/1945650irq/30-eth0_g0_21:31:451
121440ksoftirqd/1945550irq/29-eth0_g0_22:47:201
121440ksoftirqd/1945550irq/29-eth0_g0_21:09:031
121440ksoftirqd/1945550irq/29-eth0_g0_21:09:031
945550430irq/29-eth0_g0_13-21kworker/0:100:32:370
945550430irq/29-eth0_g0_13-21kworker/0:100:07:390
121430ksoftirqd/1945650irq/30-eth0_g0_22:22:150
121430ksoftirqd/1945650irq/30-eth0_g0_21:54:200
121430ksoftirqd/1945550irq/29-eth0_g0_22:43:381
121430ksoftirqd/1945550irq/29-eth0_g0_22:12:211
121430ksoftirqd/1945550irq/29-eth0_g0_21:22:331
945650420irq/30-eth0_g0_3263999cyclictest00:32:141
945550420irq/29-eth0_g0_32542-21unixbench_multi19:02:150
945550420irq/29-eth0_g0_1311-21latency22:32:070
945550420irq/29-eth0_g0_1311-21latency22:32:070
945550420irq/29-eth0_g0_13-21kworker/0:123:26:010
945550420irq/29-eth0_g0_13-21kworker/0:122:50:210
945550420irq/29-eth0_g0_13-21kworker/0:122:40:030
945550420irq/29-eth0_g0_13-21kworker/0:122:27:110
945550420irq/29-eth0_g0_13-21kworker/0:121:42:130
121420ksoftirqd/1945650irq/30-eth0_g0_23:28:571
121420ksoftirqd/1945650irq/30-eth0_g0_22:53:181
121420ksoftirqd/1945650irq/30-eth0_g0_21:46:121
121420ksoftirqd/1945550irq/29-eth0_g0_23:21:531
121420ksoftirqd/1945550irq/29-eth0_g0_00:07:311
945550410irq/29-eth0_g0_13-21kworker/0:123:57:250
945550410irq/29-eth0_g0_13-21kworker/0:123:43:090
945550410irq/29-eth0_g0_13-21kworker/0:123:37:180
945550410irq/29-eth0_g0_13-21kworker/0:123:18:350
945550410irq/29-eth0_g0_13-21kworker/0:121:29:520
945550410irq/29-eth0_g0_13-21kworker/0:121:10:560
945550410irq/29-eth0_g0_13-21kworker/0:121:10:560
945550410irq/29-eth0_g0_13-21kworker/0:100:21:480
945550410irq/29-eth0_g0_13-21kworker/0:100:06:200
121410ksoftirqd/1945650irq/30-eth0_g0_22:32:441
121410ksoftirqd/1945650irq/30-eth0_g0_22:32:441
121410ksoftirqd/1945550irq/29-eth0_g0_23:54:121
121410ksoftirqd/1945550irq/29-eth0_g0_21:40:051
121410ksoftirqd/1945550irq/29-eth0_g0_00:19:051
945550400irq/29-eth0_g0_13-21kworker/0:123:52:310
945550400irq/29-eth0_g0_13-21kworker/0:123:28:360
945550400irq/29-eth0_g0_13-21kworker/0:123:08:170
945550400irq/29-eth0_g0_13-21kworker/0:121:14:140
945550400irq/29-eth0_g0_13-21kworker/0:100:21:560
945550400irq/29-eth0_g0_13-21kworker/0:100:12:530
3263999409cyclictest19562-21unixbench_singl21:02:151
32639994011cyclictest13880-21unixbench_singl23:47:201
32639994011cyclictest13880-21unixbench_singl23:47:201
121400ksoftirqd/1945650irq/30-eth0_g0_23:32:101
121400ksoftirqd/1945650irq/30-eth0_g0_21:22:070
121400ksoftirqd/1945650irq/30-eth0_g0_20:07:121
945550390irq/29-eth0_g0_13-21kworker/0:123:49:260
945550390irq/29-eth0_g0_13-21kworker/0:123:49:260
945550390irq/29-eth0_g0_13-21kworker/0:122:52:060
945550390irq/29-eth0_g0_13-21kworker/0:121:34:350
945550390irq/29-eth0_g0_13-21kworker/0:121:18:280
3263999399cyclictest11499-21grep20:12:191
3263999398cyclictest0-21swapper/121:49:421
3263999392cyclictest2578-21unixbench_singl19:17:201
3263999391cyclictest29565-21df_abs22:07:021
3263999391cyclictest1770-21grep19:12:201
121390ksoftirqd/1945650irq/30-eth0_g0_19:37:191
945550380irq/29-eth0_g0_3408-21unixbench_singl19:22:170
945550380irq/29-eth0_g0_3408-21unixbench_singl19:22:170
945550380irq/29-eth0_g0_19561-21unixbench_singl21:02:150
945550380irq/29-eth0_g0_13-21kworker/0:123:00:280
3263999386cyclictest9454-21kworker/1:021:59:571
3263999381cyclictest4719-21ntp_offset19:32:111
945550370irq/29-eth0_g0_5005-21unixbench_singl19:32:190
945550370irq/29-eth0_g0_16933-21proc_pri20:47:130
945550370irq/29-eth0_g0_13-21kworker/0:123:01:560
3263999378cyclictest9331-21sed20:02:021
3263999375cyclictest3590-21/usr/sbin/munin19:27:001
3263999375cyclictest3590-21/usr/sbin/munin19:27:001
3263999375cyclictest12586-21df_inode20:22:001
32639993722cyclictest12073-21proc_pri20:17:181
3263999371cyclictest8241-21unixbench_singl19:52:191
3263999371cyclictest0-21swapper/122:02:081
121370ksoftirqd/1945650irq/30-eth0_g0_19:47:141
945650360irq/30-eth0_g0_31917-21egrep19:01:591
945550360irq/29-eth0_g0_883-21unixbench_multi19:07:180
945550360irq/29-eth0_g0_2473-21cat19:17:180
945550360irq/29-eth0_g0_18344-21sort20:57:040
945550360irq/29-eth0_g0_17955-21sed20:52:170
945550360irq/29-eth0_g0_14663-21grep20:32:170
945550360irq/29-eth0_g0_11428-21unixbench_multi20:12:180
945550360irq/29-eth0_g0_10069-21df_abs20:07:000
3263999365cyclictest9454-21kworker/1:020:32:061
3263999365cyclictest15791-21df_inode00:02:021
3263999361cyclictest17667-21awk20:52:071
3263999361cyclictest15309-21proc_pri20:37:171
3263999361cyclictest0-21swapper/119:22:051
3263999361cyclictest0-21swapper/119:22:051
945550350irq/29-eth0_g0_8515-21df_abs19:57:000
945550350irq/29-eth0_g0_13899-21unixbench_singl20:27:190
3263999359cyclictest9454-21kworker/1:019:56:591
3263999358cyclictest6349-21/usr/sbin/munin19:42:121
3263999354cyclictest945650irq/30-eth0_g0_20:56:581
3263999351cyclictest16118-21proc_pri20:42:171
945550340irq/29-eth0_g0_9808-21unixbench_multi20:02:170
945550340irq/29-eth0_g0_7430-21grep19:47:170
945550340irq/29-eth0_g0_6672-21vmstat19:42:210
945550340irq/29-eth0_g0_5712-21cat19:37:180
945550340irq/29-eth0_g0_0-21swapper/020:22:050
945550340irq/29-eth0_g0_0-21swapper/019:52:170
32639993418cyclictest13244-21/usr/sbin/munin20:27:001
945550330irq/29-eth0_g0_1674-21timerandwakeup19:12:190
945550330irq/29-eth0_g0_16335-21grep20:42:210
945550330irq/29-eth0_g0_14931-21df_abs20:37:060
945550330irq/29-eth0_g0_0-21swapper/019:27:090
945550330irq/29-eth0_g0_0-21swapper/019:27:090
945550300irq/29-eth0_g0_0-21swapper/020:17:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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