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2026-05-04 - 03:33

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 Mon May 04, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72521320sleep1121450irq/29-eth0_g0_00:05:281
121890ksoftirqd/1121550irq/30-eth0_g0_00:02:511
121690ksoftirqd/1121550irq/30-eth0_g0_23:24:050
121580ksoftirqd/1121550irq/30-eth0_g0_00:26:111
121520ksoftirqd/1121550irq/30-eth0_g0_23:34:461
121520ksoftirqd/1121550irq/30-eth0_g0_22:15:531
121510ksoftirqd/1121550irq/30-eth0_g0_23:13:551
121510ksoftirqd/1121550irq/30-eth0_g0_22:01:341
121490ksoftirqd/1121550irq/30-eth0_g0_22:07:001
121490ksoftirqd/1121550irq/30-eth0_g0_21:37:051
121490ksoftirqd/1121550irq/30-eth0_g0_21:37:051
121480ksoftirqd/1121550irq/30-eth0_g0_22:56:191
121470ksoftirqd/1121450irq/29-eth0_g0_23:33:130
197452460sleep1121450irq/29-eth0_g0_21:52:561
121460ksoftirqd/1121550irq/30-eth0_g0_21:53:130
121460ksoftirqd/1121550irq/30-eth0_g0_00:29:361
121460ksoftirqd/1121450irq/29-eth0_g0_23:31:061
121450ksoftirqd/1121550irq/30-eth0_g0_23:19:001
121430ksoftirqd/1121550irq/30-eth0_g0_21:46:281
121430ksoftirqd/1121550irq/30-eth0_g0_20:24:180
121430ksoftirqd/1121550irq/30-eth0_g0_20:24:180
121430ksoftirqd/1121450irq/29-eth0_g0_23:45:190
121430ksoftirqd/1121450irq/29-eth0_g0_22:14:570
121430ksoftirqd/1121450irq/29-eth0_g0_21:45:100
121430ksoftirqd/1121450irq/29-eth0_g0_21:27:531
318599422cyclictest29465-21munin-run23:29:191
318599422cyclictest29465-21munin-run23:29:191
287022420sleep1121550irq/30-eth0_g0_23:21:211
121550420irq/30-eth0_g0_1221-21kworker/1:200:12:001
121450420irq/29-eth0_g0_1911-21runrttasks19:05:180
121450420irq/29-eth0_g0_13-21kworker/0:123:58:040
121450420irq/29-eth0_g0_121ksoftirqd/100:21:470
121420ksoftirqd/1121550irq/30-eth0_g0_21:33:240
121420ksoftirqd/1121450irq/29-eth0_g0_23:15:550
121420ksoftirqd/1121450irq/29-eth0_g0_22:37:201
121420ksoftirqd/1121450irq/29-eth0_g0_22:37:201
257642410sleep0121450irq/29-eth0_g0_22:52:260
121450410irq/29-eth0_g0_31ksoftirqd/022:49:110
121550400irq/30-eth0_g0_1221-21kworker/1:223:43:151
121450400irq/29-eth0_g0_318499cyclictest21:59:440
121450400irq/29-eth0_g0_31ksoftirqd/022:41:020
121450400irq/29-eth0_g0_31ksoftirqd/022:25:240
121450400irq/29-eth0_g0_31ksoftirqd/000:28:210
121450400irq/29-eth0_g0_31ksoftirqd/000:18:170
121450400irq/29-eth0_g0_23531-21taskset22:29:530
121450400irq/29-eth0_g0_13-21kworker/0:123:51:390
121450400irq/29-eth0_g0_13-21kworker/0:123:51:390
121450400irq/29-eth0_g0_13-21kworker/0:121:26:200
121450400irq/29-eth0_g0_121ksoftirqd/122:21:050
121450400irq/29-eth0_g0_121ksoftirqd/121:14:210
121450400irq/29-eth0_g0_121ksoftirqd/119:36:401
121400ksoftirqd/1121450irq/29-eth0_g0_22:48:471
121400ksoftirqd/1121450irq/29-eth0_g0_19:23:291
121550390irq/30-eth0_g0_4119-21chrt00:39:031
121550390irq/30-eth0_g0_16231-21runrttasks21:18:151
121550390irq/30-eth0_g0_1221-21kworker/1:222:40:411
121550390irq/30-eth0_g0_1221-21kworker/1:221:39:561
121550390irq/30-eth0_g0_121ksoftirqd/121:29:401
121550390irq/30-eth0_g0_0-21swapper/122:53:421
121450390irq/29-eth0_g0_31ksoftirqd/019:24:400
121450390irq/29-eth0_g0_31ksoftirqd/000:34:180
121450390irq/29-eth0_g0_31ksoftirqd/000:06:090
121450390irq/29-eth0_g0_13-21kworker/0:122:55:420
121450390irq/29-eth0_g0_121ksoftirqd/121:57:340
121390ksoftirqd/1121550irq/30-eth0_g0_20:24:250
121550380irq/30-eth0_g0_1221-21kworker/1:221:14:181
121550380irq/30-eth0_g0_0-21swapper/123:52:131
121550380irq/30-eth0_g0_0-21swapper/123:52:131
121450380irq/29-eth0_g0_31ksoftirqd/021:34:240
121450380irq/29-eth0_g0_31ksoftirqd/021:34:240
121450380irq/29-eth0_g0_13-21kworker/0:123:07:320
121450380irq/29-eth0_g0_13-21kworker/0:122:35:450
121450380irq/29-eth0_g0_13-21kworker/0:122:35:450
121450380irq/29-eth0_g0_13-21kworker/0:121:12:180
121450380irq/29-eth0_g0_13-21kworker/0:100:13:430
121450380irq/29-eth0_g0_121ksoftirqd/100:03:300
121380ksoftirqd/1121550irq/30-eth0_g0_23:03:000
121380ksoftirqd/1121550irq/30-eth0_g0_19:52:490
121380ksoftirqd/1121450irq/29-eth0_g0_22:34:161
318599371cyclictest12833-21cat20:44:191
121550370irq/30-eth0_g0_1221-21kworker/1:223:46:491
121550370irq/30-eth0_g0_1221-21kworker/1:223:00:561
121550370irq/30-eth0_g0_1221-21kworker/1:222:21:001
121550370irq/30-eth0_g0_0-21swapper/100:22:101
121450370irq/29-eth0_g0_31ksoftirqd/021:20:570
121450370irq/29-eth0_g0_31ksoftirqd/000:35:390
121450370irq/29-eth0_g0_13-21kworker/0:123:43:230
121450370irq/29-eth0_g0_13-21kworker/0:122:07:420
121450370irq/29-eth0_g0_13-21kworker/0:121:41:380
121450370irq/29-eth0_g0_121ksoftirqd/122:28:401
318599361cyclictest13338-21grep20:49:191
121550360irq/30-eth0_g0_1221-21kworker/1:221:19:261
121550360irq/30-eth0_g0_121ksoftirqd/122:12:581
121450360irq/29-eth0_g0_1972-21lldpd20:07:250
121450360irq/29-eth0_g0_1911-21runrttasks21:06:450
121450360irq/29-eth0_g0_1911-21runrttasks21:06:450
121450360irq/29-eth0_g0_1911-21runrttasks20:48:310
121450360irq/29-eth0_g0_1911-21runrttasks20:38:470
121450360irq/29-eth0_g0_1911-21runrttasks20:12:360
121450360irq/29-eth0_g0_13-21kworker/0:123:10:040
121450360irq/29-eth0_g0_13-21kworker/0:122:12:050
121450360irq/29-eth0_g0_121ksoftirqd/123:54:471
121450360irq/29-eth0_g0_0-21swapper/023:26:250
121450360irq/29-eth0_g0_0-21swapper/023:26:250
121360ksoftirqd/1121550irq/30-eth0_g0_23:35:370
121360ksoftirqd/1121450irq/29-eth0_g0_19:46:491
318599351cyclictest10789-21grep20:24:191
318599351cyclictest10789-21grep20:24:191
121450350irq/29-eth0_g0_1911-21runrttasks21:00:540
121450350irq/29-eth0_g0_1911-21runrttasks19:54:270
121450350irq/29-eth0_g0_1911-21runrttasks19:45:330
121450350irq/29-eth0_g0_1911-21runrttasks19:42:110
121450350irq/29-eth0_g0_1911-21runrttasks19:37:060
121450350irq/29-eth0_g0_1911-21runrttasks19:14:150
121450350irq/29-eth0_g0_0-21swapper/020:51:240
318599342cyclictest146332sleep121:02:191
318599341cyclictest6566-21taskset19:42:291
318599341cyclictest17182sleep100:14:551
318599341cyclictest15312-21diskmemload21:09:191
318599341cyclictest15312-21diskmemload21:09:191
318599341cyclictest0-21swapper/120:32:361
318599341cyclictest0-21swapper/120:04:291
318599341cyclictest0-21swapper/119:28:401
121550340irq/30-eth0_g0_0-21swapper/123:05:201
121450340irq/29-eth0_g0_2895-21runrttasks19:06:061
121450340irq/29-eth0_g0_1911-21runrttasks20:58:500
121450340irq/29-eth0_g0_1911-21runrttasks20:43:070
121450340irq/29-eth0_g0_1911-21runrttasks20:32:050
121450340irq/29-eth0_g0_1911-21runrttasks19:15:390
318599331cyclictest15312-21diskmemload21:55:501
318599331cyclictest0-21swapper/120:57:371
318599331cyclictest0-21swapper/120:15:381
318599331cyclictest0-21swapper/120:15:381
121550330irq/30-eth0_g0_0-21swapper/119:57:241
121450330irq/29-eth0_g0_1982-21lldpd19:31:220
121450330irq/29-eth0_g0_1911-21runrttasks20:16:530
121450330irq/29-eth0_g0_1911-21runrttasks20:16:530
318599321cyclictest0-21swapper/120:25:251
121550320irq/30-eth0_g0_0-21swapper/120:10:271
121450320irq/29-eth0_g0_1868-21sshd19:23:290
121320ksoftirqd/111899-21taskset20:34:571
318599311cyclictest0-21swapper/119:33:371
121550310irq/30-eth0_g0_1911-21runrttasks20:01:100
121550310irq/30-eth0_g0_0-21swapper/119:50:271
121450310irq/29-eth0_g0_8519-21runrttasks20:01:451
318599301cyclictest0-21swapper/119:14:221
318599301cyclictest0-21swapper/119:12:301
318599300cyclictest0-21swapper/120:51:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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