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2026-08-24 - 01:12

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
Click here to display the system's profile data or here to proceed to next system.
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 Aug 23, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2547521570sleep0121650irq/29-eth0_g0_10:24:580
182821230sleep0121650irq/29-eth0_g0_11:01:200
1211010ksoftirqd/1121750irq/30-eth0_g0_08:35:291
1211000ksoftirqd/1121650irq/29-eth0_g0_09:56:470
156642760sleep1121650irq/29-eth0_g0_09:44:501
171192710sleep1121750irq/30-eth0_g0_07:36:391
161772600sleep1121750irq/30-eth0_g0_11:58:121
161772600sleep1121750irq/30-eth0_g0_11:58:121
121600ksoftirqd/1121750irq/30-eth0_g0_07:02:291
121590ksoftirqd/1121750irq/30-eth0_g0_12:26:291
121580ksoftirqd/1117450irq/72-mmc010:37:531
243772570sleep1121750irq/30-eth0_g0_08:06:391
121560ksoftirqd/1121750irq/30-eth0_g0_11:24:021
121560ksoftirqd/1121750irq/30-eth0_g0_11:21:390
255052550sleep1121650irq/29-eth0_g0_10:25:181
121520ksoftirqd/1121750irq/30-eth0_g0_12:16:140
121510ksoftirqd/1121750irq/30-eth0_g0_10:33:491
121510ksoftirqd/1121750irq/30-eth0_g0_09:38:481
121500ksoftirqd/1121750irq/30-eth0_g0_11:00:141
121500ksoftirqd/1121650irq/29-eth0_g0_11:36:391
121490ksoftirqd/1121750irq/30-eth0_g0_12:01:351
121490ksoftirqd/1121750irq/30-eth0_g0_10:28:151
121490ksoftirqd/1121750irq/30-eth0_g0_10:07:561
121490ksoftirqd/1121650irq/29-eth0_g0_11:30:031
121490ksoftirqd/1121650irq/29-eth0_g0_11:30:031
121480ksoftirqd/1121750irq/30-eth0_g0_12:32:081
121480ksoftirqd/1121650irq/29-eth0_g0_09:29:370
121750470irq/30-eth0_g0_899399cyclictest11:52:441
121750470irq/30-eth0_g0_899399cyclictest10:11:201
121470ksoftirqd/1121750irq/30-eth0_g0_11:41:430
121470ksoftirqd/1121750irq/30-eth0_g0_11:31:330
121470ksoftirqd/1121750irq/30-eth0_g0_10:54:441
121470ksoftirqd/1121750irq/30-eth0_g0_10:21:121
121470ksoftirqd/1121750irq/30-eth0_g0_10:06:160
121460ksoftirqd/1121750irq/30-eth0_g0_11:08:141
121460ksoftirqd/1121750irq/30-eth0_g0_10:06:001
121460ksoftirqd/1121750irq/30-eth0_g0_09:49:541
121750450irq/30-eth0_g0_899399cyclictest11:49:001
121650450irq/29-eth0_g0_5981-21diskmemload10:39:140
121450ksoftirqd/1121750irq/30-eth0_g0_11:27:080
121450ksoftirqd/1121750irq/30-eth0_g0_11:27:080
121450ksoftirqd/1121750irq/30-eth0_g0_10:48:540
121450ksoftirqd/1121750irq/30-eth0_g0_09:14:531
121450ksoftirqd/1121650irq/29-eth0_g0_12:22:581
8993994432cyclictest9922-21/usr/sbin/munin09:21:311
8993994431cyclictest31707-21/usr/sbin/munin08:36:391
121650440irq/29-eth0_g0_13520-21cat11:46:400
121650440irq/29-eth0_g0_13-21kworker/0:110:34:410
121440ksoftirqd/1121750irq/30-eth0_g0_12:00:570
121440ksoftirqd/1121750irq/30-eth0_g0_12:00:570
121440ksoftirqd/1121750irq/30-eth0_g0_11:33:591
121440ksoftirqd/1121750irq/30-eth0_g0_11:19:390
121440ksoftirqd/1121750irq/30-eth0_g0_10:09:460
121440ksoftirqd/1121750irq/30-eth0_g0_09:58:471
121440ksoftirqd/1121750irq/30-eth0_g0_09:21:480
121440ksoftirqd/1121650irq/29-eth0_g0_11:45:381
121440ksoftirqd/1121650irq/29-eth0_g0_10:47:001
8993994331cyclictest5029-21/usr/sbin/munin11:11:431
8993994330cyclictest19230-21wc12:11:341
8993994330cyclictest1407-21/usr/sbin/munin08:46:311
8993994330cyclictest1407-21/usr/sbin/munin08:46:311
267042430sleep0121650irq/29-eth0_g0_10:29:560
121750430irq/30-eth0_g0_899399cyclictest09:18:511
121750430irq/30-eth0_g0_899399cyclictest09:18:511
121650430irq/29-eth0_g0_24428-21unixbench_multi12:31:390
121650430irq/29-eth0_g0_13-21kworker/0:112:21:170
121430ksoftirqd/1121750irq/30-eth0_g0_12:03:340
121430ksoftirqd/1121750irq/30-eth0_g0_11:14:500
121430ksoftirqd/1121650irq/29-eth0_g0_11:05:451
121430ksoftirqd/1121650irq/29-eth0_g0_09:35:331
899399428cyclictest19586-21grep07:46:401
8993994238cyclictest960-21sshd08:44:571
8993994238cyclictest960-21sshd08:44:571
8993994229cyclictest3536-21chrt08:55:531
8993994229cyclictest17831-21uptime09:51:411
8993994229cyclictest10368-21/usr/sbin/munin07:11:311
899399422cyclictest4209-21/usr/sbin/munin08:56:381
121650420irq/29-eth0_g0_899399cyclictest12:06:201
121650420irq/29-eth0_g0_899399cyclictest09:10:301
121650420irq/29-eth0_g0_4218-21taskset11:11:180
121650420irq/29-eth0_g0_13-21kworker/0:112:10:080
121650420irq/29-eth0_g0_13-21kworker/0:110:17:230
121650420irq/29-eth0_g0_13-21kworker/0:109:48:590
121650420irq/29-eth0_g0_13-21kworker/0:109:09:410
121420ksoftirqd/1266372sleep108:16:351
121420ksoftirqd/1121750irq/30-eth0_g0_09:51:350
121420ksoftirqd/1121650irq/29-eth0_g0_12:18:211
121420ksoftirqd/1121650irq/29-eth0_g0_10:43:031
121420ksoftirqd/1121650irq/29-eth0_g0_10:43:031
121420ksoftirqd/1121650irq/29-eth0_g0_09:46:010
121420ksoftirqd/1121650irq/29-eth0_g0_09:31:340
121420ksoftirqd/1121650irq/29-eth0_g0_09:26:281
8993994129cyclictest11856-21missed_timers07:16:361
8993994128cyclictest25163-21df_abs08:11:321
899399411cyclictest20671-21/usr/sbin/munin07:51:401
899399411cyclictest20671-21/usr/sbin/munin07:51:401
121750410irq/30-eth0_g0_0-21swapper/010:51:370
121650410irq/29-eth0_g0_1964-21runrttasks09:20:140
121650410irq/29-eth0_g0_1964-21runrttasks09:20:140
121650410irq/29-eth0_g0_1964-21runrttasks07:03:120
121650410irq/29-eth0_g0_13-21kworker/0:112:26:210
121650410irq/29-eth0_g0_13-21kworker/0:112:23:230
121650410irq/29-eth0_g0_13-21kworker/0:111:53:390
121650410irq/29-eth0_g0_13-21kworker/0:110:43:080
121650410irq/29-eth0_g0_13-21kworker/0:110:43:080
121410ksoftirqd/1121750irq/30-eth0_g0_11:01:170
121410ksoftirqd/1121750irq/30-eth0_g0_09:01:350
121410ksoftirqd/1121650irq/29-eth0_g0_11:18:061
8993994027cyclictest5824-21taskset09:04:331
121650400irq/29-eth0_g0_899299cyclictest09:40:020
121650400irq/29-eth0_g0_13-21kworker/0:111:37:020
121650400irq/29-eth0_g0_13-21kworker/0:110:12:380
8993993927cyclictest13887-21taskset07:26:101
8993993926cyclictest10217-21taskset07:11:181
121650390irq/29-eth0_g0_13-21kworker/0:109:15:350
8993993825cyclictest23388-21taskset08:02:321
8993993825cyclictest15023-21seq07:30:081
899399382cyclictest21588-21irqstats07:56:331
899399382cyclictest21588-21irqstats07:56:331
899399382cyclictest15348-21/usr/sbin/munin07:31:311
899399381cyclictest28225-21vmstat08:21:391
121650380irq/29-eth0_g0_1964-21runrttasks08:24:360
121650380irq/29-eth0_g0_15220-21/usr/sbin/munin07:31:380
121380ksoftirqd/1121750irq/30-eth0_g0_08:31:061
121380ksoftirqd/1121750irq/30-eth0_g0_07:41:451
121750360irq/30-eth0_g0_32406-21/usr/sbin/munin08:41:340
121750360irq/30-eth0_g0_32406-21/usr/sbin/munin08:41:340
121650360irq/29-eth0_g0_31559-21ntpdc08:36:350
121650360irq/29-eth0_g0_23205-21unixbench_multi08:01:410
121650360irq/29-eth0_g0_21887-21wc07:56:390
121650360irq/29-eth0_g0_21887-21wc07:56:390
121650360irq/29-eth0_g0_1964-21runrttasks08:54:200
121650360irq/29-eth0_g0_1964-21runrttasks08:50:070
121650360irq/29-eth0_g0_1964-21runrttasks08:50:070
121650360irq/29-eth0_g0_17610-21latency_hist07:41:190
121650350irq/29-eth0_g0_4069-21ntp_states08:56:360
121650350irq/29-eth0_g0_29359-21unixbench_multi08:26:410
121650350irq/29-eth0_g0_20031-21latency_hist07:51:190
121650350irq/29-eth0_g0_1964-21runrttasks08:13:580
121650350irq/29-eth0_g0_11543-21/usr/sbin/munin07:16:310
121650350irq/29-eth0_g0_11019-21head07:11:410
121750340irq/30-eth0_g0_1964-21runrttasks07:52:040
121750340irq/30-eth0_g0_1964-21runrttasks07:52:040
121650340irq/29-eth0_g0_9336-21sort07:06:330
121650340irq/29-eth0_g0_1964-21runrttasks08:33:030
121650340irq/29-eth0_g0_18312-21unixbench_multi07:41:420
121650340irq/29-eth0_g0_14344-21netstat07:26:360
121650330irq/29-eth0_g0_26569-21missed_timers08:16:340
121650330irq/29-eth0_g0_24467-21unixbench_multi08:06:390
121650330irq/29-eth0_g0_12834-21df_abs07:21:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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