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2026-06-16 - 06:17

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 highest latencies:
System rack3slot5s.osadl.org (updated Tue Jun 16, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86552880sleep0121750irq/30-eth0_g0_23:04:510
121810ksoftirqd/1121750irq/30-eth0_g0_20:44:161
121740ksoftirqd/1121750irq/30-eth0_g0_21:37:250
215582720sleep1121750irq/30-eth0_g0_19:34:211
215582720sleep1121750irq/30-eth0_g0_19:34:211
51952680sleep0121650irq/29-eth0_g0_22:52:280
51952680sleep0121650irq/29-eth0_g0_22:52:280
282522560chrt121750irq/30-eth0_g0_00:24:251
163182540sleep0121650irq/29-eth0_g0_23:38:190
58102510sleep0121750irq/30-eth0_g0_22:54:220
269182500sleep0121650irq/29-eth0_g0_00:19:250
275542490sleep1121650irq/29-eth0_g0_22:09:381
121750490irq/30-eth0_g0_18477-21wc21:34:201
121650480irq/29-eth0_g0_1219-21kworker/1:221:44:341
121480ksoftirqd/1121650irq/29-eth0_g0_23:39:200
121460ksoftirqd/1121650irq/29-eth0_g0_23:00:031
121460ksoftirqd/1121650irq/29-eth0_g0_20:50:211
121460ksoftirqd/1121650irq/29-eth0_g0_00:34:151
121750450irq/30-eth0_g0_121ksoftirqd/121:40:461
121650440irq/29-eth0_g0_1964-21runrttasks00:04:070
121650440irq/29-eth0_g0_13-21kworker/0:123:47:070
152492430sleep1121750irq/30-eth0_g0_23:34:141
121750430irq/30-eth0_g0_1219-21kworker/1:222:58:001
121750430irq/30-eth0_g0_1219-21kworker/1:222:46:381
121750430irq/30-eth0_g0_121ksoftirqd/122:20:071
121430ksoftirqd/1121750irq/30-eth0_g0_20:29:230
121430ksoftirqd/1121750irq/30-eth0_g0_00:14:200
121750420irq/30-eth0_g0_1219-21kworker/1:221:51:481
121750420irq/30-eth0_g0_1219-21kworker/1:221:51:481
121750420irq/30-eth0_g0_121ksoftirqd/123:45:551
121650420irq/29-eth0_g0_31ksoftirqd/022:33:580
121650420irq/29-eth0_g0_1964-21runrttasks19:04:130
121650420irq/29-eth0_g0_0-21swapper/020:24:260
121750410irq/30-eth0_g0_1219-21kworker/1:223:27:191
121750410irq/30-eth0_g0_1219-21kworker/1:223:09:591
121750410irq/30-eth0_g0_1219-21kworker/1:222:01:381
121750410irq/30-eth0_g0_1219-21kworker/1:221:27:371
121750410irq/30-eth0_g0_121ksoftirqd/123:56:521
121750410irq/30-eth0_g0_121ksoftirqd/122:40:211
121650410irq/29-eth0_g0_13-21kworker/0:123:33:020
121650410irq/29-eth0_g0_13-21kworker/0:123:01:490
121650410irq/29-eth0_g0_13-21kworker/0:121:34:040
121650410irq/29-eth0_g0_13-21kworker/0:121:19:480
121410ksoftirqd/1121750irq/30-eth0_g0_00:09:250
14937994034cyclictest25323-21taskset00:14:181
14937994029cyclictest30721-21irqstats22:24:181
121750400irq/30-eth0_g0_31ksoftirqd/021:13:540
121750400irq/30-eth0_g0_1219-21kworker/1:222:38:531
121750400irq/30-eth0_g0_11978-21diskmemload23:40:071
121650400irq/29-eth0_g0_13-21kworker/0:122:44:250
121650400irq/29-eth0_g0_13-21kworker/0:122:40:440
121650400irq/29-eth0_g0_13-21kworker/0:122:34:580
121650400irq/29-eth0_g0_13-21kworker/0:121:59:300
121650400irq/29-eth0_g0_13-21kworker/0:121:48:300
121650400irq/29-eth0_g0_13-21kworker/0:100:28:230
121650400irq/29-eth0_g0_0-21swapper/019:19:230
121400ksoftirqd/1121650irq/29-eth0_g0_20:59:181
121400ksoftirqd/1121650irq/29-eth0_g0_20:18:331
239112390sleep1121750irq/30-eth0_g0_21:55:091
14937993934cyclictest29662-21munin-run20:09:041
14937993933cyclictest14565-21seq23:29:261
121750390irq/30-eth0_g0_1219-21kworker/1:200:31:201
121750390irq/30-eth0_g0_1219-21kworker/1:200:22:061
121750390irq/30-eth0_g0_1219-21kworker/1:200:13:031
121750390irq/30-eth0_g0_121ksoftirqd/121:10:211
121750390irq/30-eth0_g0_121ksoftirqd/100:04:371
121750390irq/30-eth0_g0_0-21swapper/123:14:271
121750390irq/30-eth0_g0_0-21swapper/121:29:541
121750390irq/30-eth0_g0_0-21swapper/121:15:161
121650390irq/29-eth0_g0_31ksoftirqd/023:20:160
121650390irq/29-eth0_g0_31ksoftirqd/021:16:020
121650390irq/29-eth0_g0_13-21kworker/0:123:55:170
121650390irq/29-eth0_g0_13-21kworker/0:123:24:460
121650390irq/29-eth0_g0_13-21kworker/0:122:29:010
121650390irq/29-eth0_g0_13-21kworker/0:122:06:560
121650390irq/29-eth0_g0_13-21kworker/0:121:49:380
121650390irq/29-eth0_g0_13-21kworker/0:121:49:380
121650390irq/29-eth0_g0_13-21kworker/0:121:25:170
121650390irq/29-eth0_g0_13-21kworker/0:100:29:080
121650390irq/29-eth0_g0_13-21kworker/0:100:01:530
121390ksoftirqd/141250irq/22-fsldma-c21:19:141
121390ksoftirqd/1121650irq/29-eth0_g0_23:49:141
121390ksoftirqd/1121650irq/29-eth0_g0_22:33:051
121390ksoftirqd/1121650irq/29-eth0_g0_00:02:171
14937993833cyclictest7892-21cpu23:04:161
14937993833cyclictest16172-21latency_hist19:14:041
14937993833cyclictest16172-21latency_hist19:14:041
14937993824cyclictest307152sleep120:12:041
121750380irq/30-eth0_g0_1219-21kworker/1:222:49:091
121750380irq/30-eth0_g0_1219-21kworker/1:222:49:091
121750380irq/30-eth0_g0_1219-21kworker/1:222:14:201
121750380irq/30-eth0_g0_1219-21kworker/1:222:04:251
121650380irq/29-eth0_g0_31ksoftirqd/021:39:090
121650380irq/29-eth0_g0_29849-21/usr/sbin/munin22:19:250
121650380irq/29-eth0_g0_28411-21ntp_kernel_pll_22:14:200
121650380irq/29-eth0_g0_1964-21runrttasks00:35:200
121650380irq/29-eth0_g0_13-21kworker/0:123:11:380
121650380irq/29-eth0_g0_10335-21/usr/sbin/munin23:14:240
121650380irq/29-eth0_g0_0-21swapper/019:54:240
14937993732cyclictest26611-21sendmail_mailqu19:54:241
14937993732cyclictest24896-21cpu19:49:141
14937993731cyclictest8963-21timerandwakeup20:54:251
14937993731cyclictest389-21grep20:19:251
14937993731cyclictest2946-21unixbench_singl20:29:251
14937993731cyclictest16912-21grep19:14:261
121750370irq/30-eth0_g0_121ksoftirqd/123:20:581
121650370irq/29-eth0_g0_9618-21cpu20:59:140
121650370irq/29-eth0_g0_5384-21unixbench_singl20:39:260
121650370irq/29-eth0_g0_5384-21unixbench_singl20:39:260
121650370irq/29-eth0_g0_29166-21unixbench_multi20:04:280
121650370irq/29-eth0_g0_23062-21grep19:39:240
121650370irq/29-eth0_g0_23062-21grep19:39:240
121650370irq/29-eth0_g0_21690-21/usr/sbin/munin19:34:240
121650370irq/29-eth0_g0_21690-21/usr/sbin/munin19:34:240
121650370irq/29-eth0_g0_1964-21runrttasks20:47:300
121650370irq/29-eth0_g0_1964-21runrttasks20:23:470
121650370irq/29-eth0_g0_1964-21runrttasks19:53:070
121650370irq/29-eth0_g0_18712-21cpu19:24:150
121650370irq/29-eth0_g0_13-21kworker/0:123:53:420
121650370irq/29-eth0_g0_13-21kworker/0:122:10:250
121650370irq/29-eth0_g0_13-21kworker/0:121:54:260
121650370irq/29-eth0_g0_0-21swapper/021:04:170
14937993631cyclictest19903-21latency_hist19:29:051
14937993631cyclictest18129-21unixbench_multi19:19:251
14937993631cyclictest10967-21df_abs21:04:161
14937993630cyclictest1520-21seq20:24:231
121650360irq/29-eth0_g0_31607-21unixbench_multi20:14:250
121650360irq/29-eth0_g0_30026-21sort20:09:200
121650360irq/29-eth0_g0_24160-21sendmail_mailst19:44:230
121650360irq/29-eth0_g0_1964-21runrttasks20:35:570
121650360irq/29-eth0_g0_1964-21runrttasks19:32:450
121650360irq/29-eth0_g0_14582-21runrttasks19:05:061
121650360irq/29-eth0_g0_0-21swapper/019:14:060
14937993530cyclictest22779-21ntp_offset19:39:191
14937993530cyclictest22779-21ntp_offset19:39:191
1493799351cyclictest238012sleep119:44:161
121650350irq/29-eth0_g0_1964-21runrttasks20:58:360
121650350irq/29-eth0_g0_1964-21runrttasks20:01:050
121650350irq/29-eth0_g0_15027-21/usr/sbin/munin19:09:190
121650350irq/29-eth0_g0_15027-21/usr/sbin/munin19:09:190
121350ksoftirqd/1121650irq/29-eth0_g0_20:38:371
14937993431cyclictest0-21swapper/119:59:191
121650340irq/29-eth0_g0_1964-21runrttasks20:54:040
121340ksoftirqd/1121650irq/29-eth0_g0_19:29:081
14937993327cyclictest5229-21zcat20:39:241
14937993327cyclictest5229-21zcat20:39:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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