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2025-05-02 - 12:25

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 Fri May 02, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
849121430sleep1121750irq/30-eth0_g0_19:15:011
1144421210sleep0121650irq/29-eth0_g0_23:54:320
1211040ksoftirqd/1121750irq/30-eth0_g0_22:37:141
205312970sleep0121750irq/30-eth0_g0_00:29:580
121790ksoftirqd/1121750irq/30-eth0_g0_22:09:381
121760ksoftirqd/1121750irq/30-eth0_g0_23:09:241
105732580sleep1121650irq/29-eth0_g0_21:36:331
121570ksoftirqd/1235602chrt20:18:180
112162510sleep1121650irq/29-eth0_g0_23:51:511
121490ksoftirqd/1121750irq/30-eth0_g0_00:38:431
121480ksoftirqd/1121750irq/30-eth0_g0_00:01:281
121470ksoftirqd/1121750irq/30-eth0_g0_23:48:171
121470ksoftirqd/1121750irq/30-eth0_g0_00:06:261
121650460irq/29-eth0_g0_31ksoftirqd/023:39:550
121460ksoftirqd/1121750irq/30-eth0_g0_22:11:061
121460ksoftirqd/1121750irq/30-eth0_g0_21:57:341
121750450irq/30-eth0_g0_31ksoftirqd/021:10:010
121750450irq/30-eth0_g0_31ksoftirqd/021:10:010
121750450irq/30-eth0_g0_1219-21kworker/1:223:30:581
121450ksoftirqd/1121750irq/30-eth0_g0_23:39:011
121450ksoftirqd/1121750irq/30-eth0_g0_22:43:581
121450ksoftirqd/1121750irq/30-eth0_g0_00:31:321
121450ksoftirqd/1121750irq/30-eth0_g0_00:20:490
121450ksoftirqd/1121650irq/29-eth0_g0_20:25:101
6547994430cyclictest1115-21/usr/sbin/munin20:59:551
121750440irq/30-eth0_g0_1219-21kworker/1:221:17:171
121440ksoftirqd/1121750irq/30-eth0_g0_21:31:531
121440ksoftirqd/1121750irq/30-eth0_g0_21:31:531
121440ksoftirqd/1121650irq/29-eth0_g0_00:11:050
121750430irq/30-eth0_g0_14014-21unixbench_multi21:50:021
121650430irq/29-eth0_g0_6093-21grep19:05:000
121650430irq/29-eth0_g0_18885-21/usr/sbin/munin00:25:000
121430ksoftirqd/1121750irq/30-eth0_g0_21:46:251
121430ksoftirqd/1121650irq/29-eth0_g0_22:05:190
121420ksoftirqd/1121650irq/29-eth0_g0_22:34:321
121420ksoftirqd/1121650irq/29-eth0_g0_21:41:550
187562410sleep1121750irq/30-eth0_g0_00:24:161
121650410irq/29-eth0_g0_0-21swapper/023:25:000
654799408cyclictest121750irq/30-eth0_g0_21:40:561
654799401cyclictest16401-21grep00:14:391
121750400irq/30-eth0_g0_1219-21kworker/1:221:27:431
121750400irq/30-eth0_g0_121ksoftirqd/122:55:361
121650400irq/29-eth0_g0_1893-21runrttasks22:13:290
121650400irq/29-eth0_g0_1893-21runrttasks21:20:590
121650400irq/29-eth0_g0_1893-21runrttasks21:20:590
121650400irq/29-eth0_g0_13-21kworker/0:121:54:310
121650400irq/29-eth0_g0_13-21kworker/0:121:24:470
121650400irq/29-eth0_g0_13-21kworker/0:100:00:490
121650400irq/29-eth0_g0_0-21swapper/021:29:580
121650400irq/29-eth0_g0_0-21swapper/021:29:580
121400ksoftirqd/1121750irq/30-eth0_g0_22:49:220
121400ksoftirqd/1121650irq/29-eth0_g0_23:56:151
121400ksoftirqd/1121650irq/29-eth0_g0_20:49:571
654799391cyclictest17114-21sed00:15:021
654799391cyclictest16871-21pluginstate19:49:591
654799391cyclictest0-21swapper/123:43:241
28142390sleep1121750irq/30-eth0_g0_23:18:491
230362390sleep1121750irq/30-eth0_g0_22:29:161
121650390irq/29-eth0_g0_654699cyclictest23:32:090
121650390irq/29-eth0_g0_654699cyclictest22:54:300
121650390irq/29-eth0_g0_654699cyclictest22:42:010
121650390irq/29-eth0_g0_13-21kworker/0:123:39:370
121650390irq/29-eth0_g0_13-21kworker/0:122:31:360
121650390irq/29-eth0_g0_13-21kworker/0:100:18:590
121390ksoftirqd/1121750irq/30-eth0_g0_23:47:280
121390ksoftirqd/1121750irq/30-eth0_g0_22:28:200
121390ksoftirqd/1121750irq/30-eth0_g0_22:16:280
121390ksoftirqd/1121650irq/29-eth0_g0_19:10:151
654799382cyclictest3098-21vmstat21:05:021
654799382cyclictest3098-21vmstat21:05:021
654799382cyclictest1912-21/usr/sbin/munin22:15:371
27462380sleep0121650irq/29-eth0_g0_21:04:570
27462380sleep0121650irq/29-eth0_g0_21:04:570
121750380irq/30-eth0_g0_1219-21kworker/1:223:26:061
121750380irq/30-eth0_g0_1219-21kworker/1:222:46:181
121650380irq/29-eth0_g0_654699cyclictest22:37:330
121650380irq/29-eth0_g0_31ksoftirqd/023:07:440
121650380irq/29-eth0_g0_31ksoftirqd/022:55:010
121650380irq/29-eth0_g0_14456-21proc_pri19:40:050
121650380irq/29-eth0_g0_13-21kworker/0:123:11:220
121650380irq/29-eth0_g0_13-21kworker/0:122:24:090
121650380irq/29-eth0_g0_13-21kworker/0:122:01:250
121650380irq/29-eth0_g0_121ksoftirqd/123:03:180
121380ksoftirqd/113088-21sed19:34:541
121380ksoftirqd/1121650irq/29-eth0_g0_00:29:371
6547993728cyclictest1893-21runrttasks20:38:291
654799371cyclictest3493-21diskmemload22:01:281
654799371cyclictest1893-21runrttasks21:13:061
654799371cyclictest1893-21runrttasks21:13:061
654799371cyclictest1037-21wc20:59:381
121750370irq/30-eth0_g0_6113-21unixbench_singl19:05:001
121750370irq/30-eth0_g0_1219-21kworker/1:223:11:331
121750370irq/30-eth0_g0_0-21swapper/121:24:201
121750370irq/30-eth0_g0_0-21swapper/121:24:201
121650370irq/29-eth0_g0_7044-21ntp_states19:09:590
121650370irq/29-eth0_g0_25529-21fgrep20:25:000
121650370irq/29-eth0_g0_1893-21runrttasks20:13:260
121650370irq/29-eth0_g0_1893-21runrttasks19:29:050
121650370irq/29-eth0_g0_13-21kworker/0:123:56:580
121650370irq/29-eth0_g0_13-21kworker/0:123:21:180
121650370irq/29-eth0_g0_13-21kworker/0:123:15:490
121650370irq/29-eth0_g0_13-21kworker/0:121:36:590
121650370irq/29-eth0_g0_13-21kworker/0:121:16:570
121650370irq/29-eth0_g0_13-21kworker/0:100:07:580
6547993629cyclictest24233-21proc_pri20:20:011
654799362cyclictest30473-21sort20:45:041
654799362cyclictest22705-21df_inode20:14:541
654799361cyclictest21236-21chrt20:09:391
654799361cyclictest19188-21sort19:59:571
654799361cyclictest18286-21unixbench_multi19:55:041
121750360irq/30-eth0_g0_1219-21kworker/1:223:20:291
121750360irq/30-eth0_g0_1219-21kworker/1:222:59:591
121650360irq/29-eth0_g0_9088-21/usr/sbin/munin19:19:571
121650360irq/29-eth0_g0_654799cyclictest19:29:511
121650360irq/29-eth0_g0_26486-21taskset20:29:540
121650360irq/29-eth0_g0_24461-21unixbench_singl20:20:030
121650360irq/29-eth0_g0_1893-21runrttasks21:45:390
121650360irq/29-eth0_g0_1893-21runrttasks20:06:430
121650360irq/29-eth0_g0_1893-21runrttasks20:01:520
121650360irq/29-eth0_g0_1893-21runrttasks19:57:370
121650360irq/29-eth0_g0_1893-21runrttasks19:46:110
121650360irq/29-eth0_g0_1893-21runrttasks19:31:060
121650360irq/29-eth0_g0_1893-21runrttasks19:21:240
121650360irq/29-eth0_g0_13-21kworker/0:121:58:120
121650360irq/29-eth0_g0_13-21kworker/0:100:37:200
121650360irq/29-eth0_g0_121ksoftirqd/122:52:341
654799351cyclictest26486-21taskset20:29:541
654799351cyclictest15837-21grep19:45:051
654799351cyclictest107742sleep119:24:581
121750350irq/30-eth0_g0_1219-21kworker/1:222:20:311
121650350irq/29-eth0_g0_31859-21runrttasks20:50:130
121650350irq/29-eth0_g0_30275-21awk20:45:000
121650350irq/29-eth0_g0_29376-21unixbench_singl20:40:070
121650350irq/29-eth0_g0_29376-21unixbench_singl20:40:070
121650350irq/29-eth0_g0_1893-21runrttasks19:15:490
654799341cyclictest0-21swapper/120:09:401
121650340irq/29-eth0_g0_562-21unixbench_singl20:55:040
121650340irq/29-eth0_g0_27707-21latency20:34:530
121650340irq/29-eth0_g0_1893-21runrttasks19:50:210
121650330irq/29-eth0_g0_14053-21runrttasks19:39:581
121650330irq/29-eth0_g0_13217-21ps19:34:570
121650330irq/29-eth0_g0_0-21swapper/020:59:570
654799321cyclictest0-21swapper/120:39:561
654799321cyclictest0-21swapper/120:39:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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