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2026-06-26 - 00:19

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 all highest latencies:
System rack3slot5s.osadl.org (updated Thu Jun 25, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312260ksoftirqd/0164382chrt07:03:470
2737421400sleep1121650irq/29-eth0_g0_12:13:091
78621050sleep1121750irq/30-eth0_g0_12:35:111
121970ksoftirqd/1121750irq/30-eth0_g0_11:37:171
121860ksoftirqd/1121750irq/30-eth0_g0_10:07:171
121800ksoftirqd/1121750irq/30-eth0_g0_09:14:011
121740ksoftirqd/1121750irq/30-eth0_g0_08:32:481
121710ksoftirqd/1121750irq/30-eth0_g0_10:49:471
121680ksoftirqd/1121750irq/30-eth0_g0_10:54:391
121640ksoftirqd/1259522sleep012:05:520
122272610sleep1121750irq/30-eth0_g0_11:09:021
121530ksoftirqd/1121750irq/30-eth0_g0_11:52:071
121530ksoftirqd/1121750irq/30-eth0_g0_09:26:580
121520ksoftirqd/1121750irq/30-eth0_g0_09:44:351
112432490sleep0121650irq/29-eth0_g0_11:05:460
121480ksoftirqd/1121750irq/30-eth0_g0_11:43:500
15302470sleep0121650irq/29-eth0_g0_10:27:010
121470ksoftirqd/1121750irq/30-eth0_g0_11:46:421
121460ksoftirqd/1121750irq/30-eth0_g0_10:12:521
121650450irq/29-eth0_g0_121ksoftirqd/111:39:000
121750440irq/30-eth0_g0_1219-21kworker/1:212:30:041
121430ksoftirqd/1121650irq/29-eth0_g0_08:47:081
121750420irq/30-eth0_g0_1219-21kworker/1:211:39:081
121750420irq/30-eth0_g0_121ksoftirqd/109:39:421
121650420irq/29-eth0_g0_132kworker/0:107:23:540
121650420irq/29-eth0_g0_13-21kworker/0:112:24:410
121420ksoftirqd/1121750irq/30-eth0_g0_10:15:500
121420ksoftirqd/1121650irq/29-eth0_g0_12:31:100
121420ksoftirqd/1121650irq/29-eth0_g0_10:38:451
121750410irq/30-eth0_g0_1219-21kworker/1:212:04:361
121750410irq/30-eth0_g0_1219-21kworker/1:210:21:591
121650410irq/29-eth0_g0_31ksoftirqd/009:47:360
121410ksoftirqd/1121750irq/30-eth0_g0_10:24:191
121410ksoftirqd/1121650irq/29-eth0_g0_12:15:041
121750400irq/30-eth0_g0_16613-21forks07:03:531
121750400irq/30-eth0_g0_121ksoftirqd/109:25:221
121650400irq/29-eth0_g0_4292-21df10:38:510
121650400irq/29-eth0_g0_31ksoftirqd/010:03:440
121650400irq/29-eth0_g0_31ksoftirqd/009:34:110
121650400irq/29-eth0_g0_13-21kworker/0:111:19:110
121650400irq/29-eth0_g0_13-21kworker/0:109:54:400
121650400irq/29-eth0_g0_13-21kworker/0:109:54:400
121650400irq/29-eth0_g0_13-21kworker/0:109:21:350
121650400irq/29-eth0_g0_13-21kworker/0:109:21:350
121400ksoftirqd/1121750irq/30-eth0_g0_11:34:240
121400ksoftirqd/1121650irq/29-eth0_g0_09:52:351
1758799391cyclictest5785-21sort10:43:561
1758799391cyclictest14009-21unixbench_multi09:04:021
121750390irq/30-eth0_g0_23050-21/usr/sbin/munin11:53:591
121750390irq/30-eth0_g0_1219-21kworker/1:209:13:161
121750390irq/30-eth0_g0_121ksoftirqd/111:04:251
121750390irq/30-eth0_g0_121ksoftirqd/109:56:081
121750390irq/30-eth0_g0_121ksoftirqd/109:56:081
121650390irq/29-eth0_g0_31ksoftirqd/011:23:520
121650390irq/29-eth0_g0_31ksoftirqd/010:12:080
121650390irq/29-eth0_g0_31ksoftirqd/009:30:390
121650390irq/29-eth0_g0_24706-21missed_timers09:48:550
121650390irq/29-eth0_g0_1964-21runrttasks09:10:590
121650390irq/29-eth0_g0_13-21kworker/0:112:20:470
121650390irq/29-eth0_g0_13-21kworker/0:112:20:470
121650390irq/29-eth0_g0_13-21kworker/0:112:10:420
121650390irq/29-eth0_g0_13-21kworker/0:111:58:420
121650390irq/29-eth0_g0_13-21kworker/0:111:53:520
121650390irq/29-eth0_g0_13-21kworker/0:111:50:200
121650390irq/29-eth0_g0_13-21kworker/0:110:57:100
121650390irq/29-eth0_g0_13-21kworker/0:109:15:190
121650390irq/29-eth0_g0_121ksoftirqd/110:32:271
121390ksoftirqd/1121750irq/30-eth0_g0_11:32:210
121390ksoftirqd/1121750irq/30-eth0_g0_09:43:100
799380migration/0613-21unixbench_multi12:34:030
1758799382cyclictest30008-21cpu12:23:511
1758799381cyclictest20875-21df_abs09:33:521
1758799381cyclictest19433-21find07:14:001
1758799381cyclictest183072sleep107:09:041
1758799381cyclictest12068-21munin-run08:58:401
1758799381cyclictest12068-21munin-run08:58:401
133422380sleep0121650irq/29-eth0_g0_09:03:410
133422380sleep0121650irq/29-eth0_g0_09:03:410
121750380irq/30-eth0_g0_7224-21latency_hist08:38:421
121750380irq/30-eth0_g0_1219-21kworker/1:211:13:491
121750380irq/30-eth0_g0_1219-21kworker/1:209:29:391
121750380irq/30-eth0_g0_1219-21kworker/1:209:21:441
121750380irq/30-eth0_g0_1219-21kworker/1:209:21:441
121750380irq/30-eth0_g0_121ksoftirqd/111:31:221
121750380irq/30-eth0_g0_121ksoftirqd/110:00:051
121650380irq/29-eth0_g0_13-21kworker/0:111:10:220
121650380irq/29-eth0_g0_13-21kworker/0:110:59:550
121650380irq/29-eth0_g0_13-21kworker/0:110:34:020
121650380irq/29-eth0_g0_13-21kworker/0:110:23:390
121650380irq/29-eth0_g0_121ksoftirqd/110:59:021
121650380irq/29-eth0_g0_121ksoftirqd/107:45:521
121650380irq/29-eth0_g0_121ksoftirqd/107:45:521
121380ksoftirqd/1121750irq/30-eth0_g0_10:49:410
121380ksoftirqd/1121650irq/29-eth0_g0_08:20:521
121380ksoftirqd/1121650irq/29-eth0_g0_08:20:521
1758799371cyclictest25384-21awk07:38:591
1758799371cyclictest14515-21diskmemload12:22:431
1758799371cyclictest14515-21diskmemload12:22:431
121750370irq/30-eth0_g0_1219-21kworker/1:212:00:171
121650370irq/29-eth0_g0_30435-21sendmail_mailqu07:59:020
121650370irq/29-eth0_g0_1964-21runrttasks11:15:390
121650370irq/29-eth0_g0_13-21kworker/0:112:13:590
121650370irq/29-eth0_g0_13-21kworker/0:110:45:500
121650370irq/29-eth0_g0_13-21kworker/0:110:28:510
121650370irq/29-eth0_g0_13-21kworker/0:109:59:570
1758799362cyclictest4153-21sendmail_mailtr08:24:011
1758799361cyclictest30433-21fgrep07:59:021
1758799361cyclictest29357-21grep07:54:031
1758799361cyclictest1771-21unixbench_multi08:14:021
1758799361cyclictest1771-21unixbench_multi08:14:021
1758799361cyclictest15269-21egrep11:23:511
1758799361cyclictest12622-21wc08:58:591
1758799361cyclictest12622-21wc08:58:591
121750360irq/30-eth0_g0_1219-21kworker/1:210:16:191
121750360irq/30-eth0_g0_0-21swapper/110:33:521
121650360irq/29-eth0_g0_24152-21chrt07:33:550
121650360irq/29-eth0_g0_22876-21missed_timers07:28:560
121650360irq/29-eth0_g0_1964-21runrttasks08:50:310
121650360irq/29-eth0_g0_1964-21runrttasks08:28:090
121650360irq/29-eth0_g0_18996-21df_abs07:13:520
121650360irq/29-eth0_g0_18335-21grep07:09:040
121650360irq/29-eth0_g0_1693-21mailstats08:14:020
121650360irq/29-eth0_g0_1693-21mailstats08:14:020
121650360irq/29-eth0_g0_13650-21cat09:03:560
121360ksoftirqd/1121650irq/29-eth0_g0_07:51:101
1758799351cyclictest32645-21wc08:08:561
1758799351cyclictest31824-21unixbench_singl08:04:031
1758799351cyclictest24298-21rt-features07:33:581
1758799351cyclictest22016-21grep07:24:031
121750350irq/30-eth0_g0_1219-21kworker/1:211:22:031
121650350irq/29-eth0_g0_31ksoftirqd/008:08:520
121650350irq/29-eth0_g0_29860-21cat07:58:410
121650350irq/29-eth0_g0_26886-21sed07:44:020
121650350irq/29-eth0_g0_26886-21sed07:44:020
121650350irq/29-eth0_g0_25683-21unixbench_singl07:39:030
121650350irq/29-eth0_g0_1964-21runrttasks08:28:530
121650350irq/29-eth0_g0_1964-21runrttasks08:07:470
121650350irq/29-eth0_g0_0-21swapper/008:48:420
1758799341cyclictest22929-21taskset07:28:571
1758799341cyclictest207412sleep107:19:011
121750340irq/30-eth0_g0_11630-21unixbench_singl08:54:030
121750340irq/30-eth0_g0_11630-21unixbench_singl08:54:030
121650340irq/29-eth0_g0_6388-21netstat08:33:560
121650340irq/29-eth0_g0_21023-21runrttasks07:21:090
121650340irq/29-eth0_g0_1964-21runrttasks07:48:450
17587993317cyclictest7931-21grep08:39:021
1758799331cyclictest10186-21processes08:49:001
121650330irq/29-eth0_g0_7604-21missed_timers08:38:570
121650330irq/29-eth0_g0_3083-21grep08:19:020
121650330irq/29-eth0_g0_3083-21grep08:19:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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