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2026-08-24 - 13:39

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 Aug 24, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
582621590sleep1121650irq/29-eth0_g0_22:22:091
121810ksoftirqd/1121750irq/30-eth0_g0_22:24:350
279442790sleep1121650irq/29-eth0_g0_23:53:071
121740ksoftirqd/1121750irq/30-eth0_g0_19:04:581
30242640sleep1121750irq/30-eth0_g0_00:25:041
93542600sleep1121750irq/30-eth0_g0_22:36:391
49512590sleep0121750irq/30-eth0_g0_22:21:140
135222560sleep1121650irq/29-eth0_g0_22:56:161
121510ksoftirqd/1121750irq/30-eth0_g0_23:15:390
121510ksoftirqd/1121750irq/30-eth0_g0_22:31:461
121510ksoftirqd/1121750irq/30-eth0_g0_21:45:051
121510ksoftirqd/1121750irq/30-eth0_g0_00:04:181
189052490sleep1121750irq/30-eth0_g0_23:16:351
121480ksoftirqd/1121650irq/29-eth0_g0_22:59:130
121470ksoftirqd/1121750irq/30-eth0_g0_23:09:501
121460ksoftirqd/1121750irq/30-eth0_g0_23:45:091
121460ksoftirqd/1121750irq/30-eth0_g0_21:56:161
121460ksoftirqd/1121750irq/30-eth0_g0_00:09:011
121450ksoftirqd/1121650irq/29-eth0_g0_23:22:571
121450ksoftirqd/1121650irq/29-eth0_g0_21:11:211
121750440irq/30-eth0_g0_2206399cyclictest22:01:181
121750440irq/30-eth0_g0_2206399cyclictest22:01:181
121750440irq/30-eth0_g0_198692sleep121:07:101
121650440irq/29-eth0_g0_31ksoftirqd/000:35:230
121750430irq/30-eth0_g0_1219-21kworker/1:221:38:281
121650430irq/29-eth0_g0_31ksoftirqd/000:29:350
121650430irq/29-eth0_g0_13-21kworker/0:100:01:290
121650430irq/29-eth0_g0_121ksoftirqd/100:17:050
121650420irq/29-eth0_g0_21242-21missed_timers19:01:330
9472410sleep0121750irq/30-eth0_g0_22:02:500
262712410sleep126273-21ntpq23:46:361
2206399411cyclictest0-21swapper/120:31:321
121650410irq/29-eth0_g0_30669-21sendmail_mailst21:51:380
121650410irq/29-eth0_g0_31ksoftirqd/023:50:400
121650410irq/29-eth0_g0_24416-21open_inodes21:26:360
121650410irq/29-eth0_g0_13-21kworker/0:122:46:540
121650410irq/29-eth0_g0_13-21kworker/0:122:30:390
121650410irq/29-eth0_g0_13-21kworker/0:121:59:400
121650410irq/29-eth0_g0_13-21kworker/0:121:59:400
121650410irq/29-eth0_g0_13-21kworker/0:121:45:410
121410ksoftirqd/1121650irq/29-eth0_g0_23:04:511
319632400sleep0121650irq/29-eth0_g0_00:11:220
121750400irq/30-eth0_g0_1219-21kworker/1:221:31:501
121750400irq/30-eth0_g0_121ksoftirqd/100:13:531
121750400irq/30-eth0_g0_0-21swapper/121:16:281
121650400irq/29-eth0_g0_13-21kworker/0:122:55:330
121650400irq/29-eth0_g0_13-21kworker/0:122:42:440
121650400irq/29-eth0_g0_13-21kworker/0:121:37:130
121650400irq/29-eth0_g0_13-21kworker/0:100:24:580
121650400irq/29-eth0_g0_0-21swapper/020:46:400
121400ksoftirqd/1121750irq/30-eth0_g0_22:35:320
2206399392cyclictest31393-21unixbench_singl19:41:401
121750390irq/30-eth0_g0_1219-21kworker/1:221:48:341
121750390irq/30-eth0_g0_121ksoftirqd/123:59:551
121650390irq/29-eth0_g0_205702sleep023:22:450
121650390irq/29-eth0_g0_13-21kworker/0:123:32:370
121650390irq/29-eth0_g0_13-21kworker/0:123:32:370
121650390irq/29-eth0_g0_13-21kworker/0:123:05:470
121650390irq/29-eth0_g0_121ksoftirqd/122:08:260
121390ksoftirqd/1121750irq/30-eth0_g0_20:33:070
121390ksoftirqd/1121750irq/30-eth0_g0_20:28:450
121390ksoftirqd/1121750irq/30-eth0_g0_19:51:550
121390ksoftirqd/1121750irq/30-eth0_g0_19:43:520
121390ksoftirqd/1121650irq/29-eth0_g0_20:26:331
2206399382cyclictest1024-21sort19:51:341
121750380irq/30-eth0_g0_1219-21kworker/1:223:28:231
121750380irq/30-eth0_g0_1219-21kworker/1:222:46:431
121750380irq/30-eth0_g0_1219-21kworker/1:222:41:531
121750380irq/30-eth0_g0_1219-21kworker/1:200:33:271
121750380irq/30-eth0_g0_121ksoftirqd/123:34:251
121750380irq/30-eth0_g0_121ksoftirqd/123:34:251
121750380irq/30-eth0_g0_121ksoftirqd/122:15:331
121750380irq/30-eth0_g0_0-21swapper/123:11:241
121650380irq/29-eth0_g0_31ksoftirqd/020:11:300
121650380irq/29-eth0_g0_29030-21uptime23:56:420
121650380irq/29-eth0_g0_27614-21rt-features23:51:380
121650380irq/29-eth0_g0_13-21kworker/0:123:38:330
121650380irq/29-eth0_g0_13-21kworker/0:121:48:330
121650380irq/29-eth0_g0_13-21kworker/0:121:12:470
121650380irq/29-eth0_g0_121ksoftirqd/100:26:321
121380ksoftirqd/1121750irq/30-eth0_g0_22:36:230
121380ksoftirqd/1121650irq/29-eth0_g0_23:38:461
121380ksoftirqd/1121650irq/29-eth0_g0_19:48:021
121380ksoftirqd/1121650irq/29-eth0_g0_00:16:381
2206399372cyclictest12913-21chrt20:41:181
2206399371cyclictest1974-21egrep19:56:281
2206399371cyclictest18447-21cat21:01:371
121750370irq/30-eth0_g0_1219-21kworker/1:222:07:451
121750370irq/30-eth0_g0_1219-21kworker/1:221:28:421
121750370irq/30-eth0_g0_1219-21kworker/1:221:24:371
121650370irq/29-eth0_g0_1964-21runrttasks20:20:460
121650370irq/29-eth0_g0_19094-21/usr/sbin/munin21:06:330
121650370irq/29-eth0_g0_18517-21/usr/sbin/munin23:16:340
121650370irq/29-eth0_g0_13-21kworker/0:123:29:110
121650370irq/29-eth0_g0_13-21kworker/0:121:21:390
121650370irq/29-eth0_g0_13-21kworker/0:121:21:090
121650370irq/29-eth0_g0_13-21kworker/0:100:06:240
121650370irq/29-eth0_g0_0-21swapper/023:46:170
121650370irq/29-eth0_g0_0-21swapper/022:16:050
121370ksoftirqd/1121650irq/29-eth0_g0_22:26:531
2206399362cyclictest68762sleep120:16:291
2206399362cyclictest16800-21/usr/sbin/munin20:56:291
2206399362cyclictest14888-21head20:46:401
2206399361cyclictest28915-21unixbench_multi19:31:391
2206399361cyclictest23613-21chrt19:11:311
2206399361cyclictest2109-21lldpd20:01:321
121750360irq/30-eth0_g0_1219-21kworker/1:222:18:531
121750360irq/30-eth0_g0_121ksoftirqd/122:58:001
121650360irq/29-eth0_g0_26471-21grep19:21:400
121650360irq/29-eth0_g0_26356-21uname19:21:381
121650360irq/29-eth0_g0_1964-21runrttasks20:39:250
121650360irq/29-eth0_g0_1964-21runrttasks20:25:310
121650360irq/29-eth0_g0_16700-21cpu20:56:280
121650360irq/29-eth0_g0_13-21kworker/0:121:34:160
121650360irq/29-eth0_g0_0-21swapper/023:09:000
121650360irq/29-eth0_g0_0-21swapper/020:51:330
121650360irq/29-eth0_g0_0-21swapper/019:21:170
121360ksoftirqd/123123-21taskset19:09:231
2206399351cyclictest5118-21awk20:06:381
2206399351cyclictest5118-21awk20:06:381
2206399351cyclictest30654-21cut19:41:181
2206399351cyclictest27121-21df19:26:301
121750350irq/30-eth0_g0_24987-21/usr/sbin/munin19:16:351
121650350irq/29-eth0_g0_29807-21chrt19:36:340
121650350irq/29-eth0_g0_2284-21sed19:56:320
121650350irq/29-eth0_g0_1964-21runrttasks20:41:280
121650350irq/29-eth0_g0_1964-21runrttasks20:03:350
121650350irq/29-eth0_g0_1964-21runrttasks19:34:430
121650350irq/29-eth0_g0_1964-21runrttasks19:29:260
121650350irq/29-eth0_g0_1964-21runrttasks19:11:490
121350ksoftirqd/1121650irq/29-eth0_g0_20:21:331
2206399341cyclictest0-21swapper/122:03:391
121750340irq/30-eth0_g0_2206399cyclictest20:41:211
121650340irq/29-eth0_g0_32214-21latency19:46:320
121650340irq/29-eth0_g0_1964-21runrttasks20:07:410
121650340irq/29-eth0_g0_1964-21runrttasks20:07:410
121650340irq/29-eth0_g0_17940-21df_abs21:01:280
2206399331cyclictest62242sleep120:11:401
121650330irq/29-eth0_g0_22470-21missed_timers19:06:320
121750300irq/30-eth0_g0_0-21swapper/120:51:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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