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2026-03-26 - 21:34

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 100 highest latencies:
System rack3slot5s.osadl.org (updated Thu Mar 26, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123221230sleep0121650irq/29-eth0_g0_10:01:260
1473521180sleep1121750irq/30-eth0_g0_10:57:051
300482650sleep0121650irq/29-eth0_g0_09:47:030
75932620sleep0121750irq/30-eth0_g0_08:15:140
209822580sleep0121750irq/30-eth0_g0_09:10:120
121510ksoftirqd/1121750irq/30-eth0_g0_10:24:081
121500ksoftirqd/1121750irq/30-eth0_g0_11:16:281
121490ksoftirqd/1121750irq/30-eth0_g0_07:45:181
121490ksoftirqd/1121650irq/29-eth0_g0_12:15:180
26912480sleep0121650irq/29-eth0_g0_10:09:000
26912480sleep0121650irq/29-eth0_g0_10:09:000
121650480irq/29-eth0_g0_8210-21proc_pri10:30:150
121480ksoftirqd/1121650irq/29-eth0_g0_08:25:331
121470ksoftirqd/1121650irq/29-eth0_g0_12:31:421
121470ksoftirqd/1121650irq/29-eth0_g0_09:29:401
121470ksoftirqd/1121650irq/29-eth0_g0_08:53:391
121650460irq/29-eth0_g0_23621-21cyclictest08:45:170
121650460irq/29-eth0_g0_13-21kworker/0:112:30:180
121450ksoftirqd/1121750irq/30-eth0_g0_10:29:081
121450ksoftirqd/1121650irq/29-eth0_g0_09:52:101
121450ksoftirqd/1121650irq/29-eth0_g0_09:52:101
121450ksoftirqd/1121650irq/29-eth0_g0_09:17:291
121450ksoftirqd/1121650irq/29-eth0_g0_08:22:451
196302440sleep0121650irq/29-eth0_g0_11:17:090
121750440irq/30-eth0_g0_1219-21kworker/1:209:24:441
121650440irq/29-eth0_g0_121ksoftirqd/111:20:100
121650440irq/29-eth0_g0_121ksoftirqd/111:20:100
121440ksoftirqd/1121650irq/29-eth0_g0_11:59:121
121440ksoftirqd/1121650irq/29-eth0_g0_11:10:111
121650430irq/29-eth0_g0_32667-21proc_pri12:10:150
121650430irq/29-eth0_g0_31ksoftirqd/010:50:490
121650430irq/29-eth0_g0_31ksoftirqd/010:50:490
121650430irq/29-eth0_g0_31ksoftirqd/009:56:180
121650420irq/29-eth0_g0_25296-21open_inodes11:40:130
121650420irq/29-eth0_g0_1875-21runrttasks11:01:250
121650420irq/29-eth0_g0_1875-21runrttasks09:22:260
121650420irq/29-eth0_g0_13-21kworker/0:111:37:300
121650420irq/29-eth0_g0_13-21kworker/0:111:33:450
121650420irq/29-eth0_g0_13-21kworker/0:110:20:160
121650420irq/29-eth0_g0_13-21kworker/0:109:54:320
121650420irq/29-eth0_g0_13-21kworker/0:109:54:320
121420ksoftirqd/1121650irq/29-eth0_g0_09:58:051
121420ksoftirqd/1121650irq/29-eth0_g0_09:40:101
121750410irq/30-eth0_g0_1219-21kworker/1:212:06:451
121650410irq/29-eth0_g0_31ksoftirqd/012:20:140
121650410irq/29-eth0_g0_1875-21runrttasks11:58:450
121650410irq/29-eth0_g0_1875-21runrttasks09:07:420
121650410irq/29-eth0_g0_1875-21runrttasks09:07:420
121650410irq/29-eth0_g0_13-21kworker/0:112:28:150
121650410irq/29-eth0_g0_13-21kworker/0:112:07:220
121650410irq/29-eth0_g0_13-21kworker/0:111:10:130
121650410irq/29-eth0_g0_13-21kworker/0:110:41:070
121650410irq/29-eth0_g0_13-21kworker/0:110:12:300
121650410irq/29-eth0_g0_0-21swapper/008:00:070
121650410irq/29-eth0_g0_0-21swapper/007:07:060
121750400irq/30-eth0_g0_1219-21kworker/1:212:01:001
121750400irq/30-eth0_g0_1219-21kworker/1:210:45:261
121750400irq/30-eth0_g0_121ksoftirqd/110:32:401
121650400irq/29-eth0_g0_6684-21vmstat08:10:180
121650400irq/29-eth0_g0_31ksoftirqd/010:26:340
121650400irq/29-eth0_g0_29067-21seq09:44:530
121650400irq/29-eth0_g0_15022-21latency_hist10:59:560
121650400irq/29-eth0_g0_13-21kworker/0:112:01:410
121650400irq/29-eth0_g0_13-21kworker/0:111:51:470
121650400irq/29-eth0_g0_13-21kworker/0:111:46:130
121650400irq/29-eth0_g0_13-21kworker/0:111:26:180
121650400irq/29-eth0_g0_13-21kworker/0:109:39:400
121650400irq/29-eth0_g0_13-21kworker/0:109:17:120
121400ksoftirqd/1121750irq/30-eth0_g0_10:39:330
121400ksoftirqd/1121650irq/29-eth0_g0_11:05:231
121400ksoftirqd/1121650irq/29-eth0_g0_10:42:051
121400ksoftirqd/1121650irq/29-eth0_g0_07:27:251
121750390irq/30-eth0_g0_1219-21kworker/1:212:15:401
121750390irq/30-eth0_g0_1219-21kworker/1:211:36:501
121750390irq/30-eth0_g0_1219-21kworker/1:210:12:561
121750390irq/30-eth0_g0_1219-21kworker/1:209:31:081
121650390irq/29-eth0_g0_31ksoftirqd/012:36:570
121650390irq/29-eth0_g0_31ksoftirqd/012:36:570
121650390irq/29-eth0_g0_25166-21iostat07:15:110
121650390irq/29-eth0_g0_121ksoftirqd/109:34:070
121390ksoftirqd/1121650irq/29-eth0_g0_10:35:141
121390ksoftirqd/1121650irq/29-eth0_g0_10:05:331
121390ksoftirqd/1121650irq/29-eth0_g0_10:05:331
121390ksoftirqd/1121650irq/29-eth0_g0_08:13:261
2362399381cyclictest4211-21unixbench_singl08:00:181
2362399381cyclictest368-21grep12:10:171
2362399381cyclictest21150-21sendmail_mailst09:10:151
121750380irq/30-eth0_g0_22670-21awk07:05:091
121750380irq/30-eth0_g0_1219-21kworker/1:212:37:131
121750380irq/30-eth0_g0_1219-21kworker/1:212:37:131
121750380irq/30-eth0_g0_121ksoftirqd/111:03:121
121750380irq/30-eth0_g0_0-21swapper/111:49:331
121750380irq/30-eth0_g0_0-21swapper/110:14:591
121650380irq/29-eth0_g0_31ksoftirqd/007:24:570
121650380irq/29-eth0_g0_0-21swapper/011:05:220
121650380irq/29-eth0_g0_0-21swapper/009:04:560
121650380irq/29-eth0_g0_0-21swapper/008:25:080
121380ksoftirqd/1121650irq/29-eth0_g0_08:46:121
121380ksoftirqd/1121650irq/29-eth0_g0_08:44:561
121380ksoftirqd/1121650irq/29-eth0_g0_08:37:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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