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2026-06-14 - 13:00

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 Sun Jun 14, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275621670sleep1121650irq/29-eth0_g0_23:40:501
1931121560sleep1121650irq/29-eth0_g0_22:36:331
42921150sleep1121650irq/29-eth0_g0_23:32:501
1211050ksoftirqd/1121750irq/30-eth0_g0_21:43:321
121960ksoftirqd/1121750irq/30-eth0_g0_19:09:281
49512770sleep1121750irq/30-eth0_g0_19:24:311
8712620sleep0121650irq/29-eth0_g0_21:21:030
96092560sleep1121750irq/30-eth0_g0_19:44:261
162582560chrt121750irq/30-eth0_g0_00:36:151
121550ksoftirqd/1121750irq/30-eth0_g0_21:26:260
288472510sleep1121750irq/30-eth0_g0_21:04:211
121510ksoftirqd/1121750irq/30-eth0_g0_00:00:311
216402490sleep0121650irq/29-eth0_g0_22:45:090
121480ksoftirqd/1121650irq/29-eth0_g0_23:42:350
121470ksoftirqd/1121750irq/30-eth0_g0_23:38:411
121460ksoftirqd/155699cyclictest23:03:241
121460ksoftirqd/1121650irq/29-eth0_g0_20:08:521
121450ksoftirqd/1121650irq/29-eth0_g0_22:28:551
121440ksoftirqd/1121750irq/30-eth0_g0_23:11:341
121440ksoftirqd/1121750irq/30-eth0_g0_21:59:091
121440ksoftirqd/1121750irq/30-eth0_g0_21:49:521
121440ksoftirqd/1121750irq/30-eth0_g0_21:37:541
121440ksoftirqd/1121650irq/29-eth0_g0_22:00:141
121440ksoftirqd/1121650irq/29-eth0_g0_21:10:201
320592430sleep0121750irq/30-eth0_g0_21:15:390
121750430irq/30-eth0_g0_1219-21kworker/1:223:14:411
121750430irq/30-eth0_g0_1219-21kworker/1:223:14:411
121750430irq/30-eth0_g0_1219-21kworker/1:222:45:571
121750430irq/30-eth0_g0_121ksoftirqd/122:04:211
121430ksoftirqd/1121750irq/30-eth0_g0_21:23:291
121430ksoftirqd/1121750irq/30-eth0_g0_00:18:271
121750420irq/30-eth0_g0_1219-21kworker/1:223:44:211
121750420irq/30-eth0_g0_1219-21kworker/1:222:57:211
121750420irq/30-eth0_g0_1219-21kworker/1:221:14:421
121650420irq/29-eth0_g0_31ksoftirqd/021:50:550
121650420irq/29-eth0_g0_13-21kworker/0:122:31:260
121750410irq/30-eth0_g0_1219-21kworker/1:222:20:391
121750410irq/30-eth0_g0_1219-21kworker/1:200:26:381
121650410irq/29-eth0_g0_31997-21df_abs19:04:210
121650410irq/29-eth0_g0_31ksoftirqd/023:26:310
121650410irq/29-eth0_g0_169102/usr/sbin/munin20:14:250
121650410irq/29-eth0_g0_13-21kworker/0:123:15:030
121650410irq/29-eth0_g0_13-21kworker/0:123:15:030
121650410irq/29-eth0_g0_13-21kworker/0:122:13:350
121650410irq/29-eth0_g0_13-21kworker/0:122:13:350
121410ksoftirqd/1121650irq/29-eth0_g0_22:15:031
65452400sleep0121750irq/30-eth0_g0_23:57:100
121750400irq/30-eth0_g0_31ksoftirqd/023:36:500
121750400irq/30-eth0_g0_17902-21vmstat22:29:321
121750400irq/30-eth0_g0_1219-21kworker/1:223:26:151
121750400irq/30-eth0_g0_121ksoftirqd/100:29:381
121650400irq/29-eth0_g0_31ksoftirqd/021:11:350
121650400irq/29-eth0_g0_13-21kworker/0:123:09:440
121650400irq/29-eth0_g0_13-21kworker/0:122:52:310
121650400irq/29-eth0_g0_13-21kworker/0:121:35:030
121650400irq/29-eth0_g0_121ksoftirqd/123:49:290
121650400irq/29-eth0_g0_121ksoftirqd/122:43:030
121650400irq/29-eth0_g0_121ksoftirqd/100:36:410
121650400irq/29-eth0_g0_121ksoftirqd/100:19:190
121400ksoftirqd/1121750irq/30-eth0_g0_22:16:250
121400ksoftirqd/1121750irq/30-eth0_g0_21:29:130
121400ksoftirqd/1121750irq/30-eth0_g0_19:40:410
55699391cyclictest29916-21diskmemload00:20:431
55699391cyclictest1618-21netstat21:24:241
121650390irq/29-eth0_g0_13-21kworker/0:122:04:220
121650390irq/29-eth0_g0_13-21kworker/0:121:59:180
121650390irq/29-eth0_g0_13-21kworker/0:100:30:560
121650390irq/29-eth0_g0_13-21kworker/0:100:16:520
121650390irq/29-eth0_g0_13-21kworker/0:100:05:390
121650390irq/29-eth0_g0_13-21kworker/0:100:05:390
121650390irq/29-eth0_g0_13-21kworker/0:100:03:120
121390ksoftirqd/1121750irq/30-eth0_g0_23:49:010
121390ksoftirqd/1121750irq/30-eth0_g0_23:04:360
121390ksoftirqd/1121750irq/30-eth0_g0_21:05:270
121390ksoftirqd/1121750irq/30-eth0_g0_20:40:400
121390ksoftirqd/1121750irq/30-eth0_g0_20:22:280
121390ksoftirqd/1121750irq/30-eth0_g0_20:05:230
121390ksoftirqd/1121750irq/30-eth0_g0_00:27:020
121390ksoftirqd/1121650irq/29-eth0_g0_23:19:250
121390ksoftirqd/1121650irq/29-eth0_g0_21:45:230
121390ksoftirqd/1121650irq/29-eth0_g0_00:11:590
55699386cyclictest9538-21cat00:09:271
55699382cyclictest16538-21latency_hist20:14:091
121750380irq/30-eth0_g0_8580-21mailstats00:04:301
121750380irq/30-eth0_g0_8580-21mailstats00:04:301
121750380irq/30-eth0_g0_31925-21/usr/sbin/munin19:04:201
121750380irq/30-eth0_g0_28392-21runrttasks21:00:401
121750380irq/30-eth0_g0_1219-21kworker/1:222:50:291
121750380irq/30-eth0_g0_1219-21kworker/1:222:09:531
121750380irq/30-eth0_g0_1219-21kworker/1:222:09:531
121750380irq/30-eth0_g0_121ksoftirqd/123:51:331
121650380irq/29-eth0_g0_31ksoftirqd/022:56:240
121650380irq/29-eth0_g0_1964-21runrttasks22:19:320
121650380irq/29-eth0_g0_16480-21munin-run20:14:090
121650380irq/29-eth0_g0_13-21kworker/0:123:29:350
121650380irq/29-eth0_g0_13-21kworker/0:123:00:130
121650380irq/29-eth0_g0_13-21kworker/0:122:37:090
121380ksoftirqd/1121750irq/30-eth0_g0_22:24:120
121380ksoftirqd/1121750irq/30-eth0_g0_20:58:410
121380ksoftirqd/1121650irq/29-eth0_g0_20:48:541
55699377cyclictest121750irq/30-eth0_g0_23:06:351
55699372cyclictest5911-21missed_timers23:54:251
55699371cyclictest231352sleep120:39:281
55699371cyclictest22593-21cat20:39:091
55699371cyclictest22593-21cat20:39:091
55699371cyclictest0-21swapper/119:16:271
121750370irq/30-eth0_g0_1219-21kworker/1:223:21:391
121750370irq/30-eth0_g0_1219-21kworker/1:221:44:241
121650370irq/29-eth0_g0_7438-21unixbench_multi19:34:310
121650370irq/29-eth0_g0_1964-21runrttasks21:55:100
121650370irq/29-eth0_g0_1964-21runrttasks19:54:310
121650370irq/29-eth0_g0_1964-21runrttasks19:54:310
121650370irq/29-eth0_g0_1354-21unixbench_singl19:09:310
121650370irq/29-eth0_g0_121ksoftirqd/121:41:160
121650370irq/29-eth0_g0_0-21swapper/019:17:400
121370ksoftirqd/1121650irq/29-eth0_g0_20:29:231
106902370chrt121650irq/29-eth0_g0_19:49:240
55699361cyclictest18355-21chrt20:19:311
55699361cyclictest11742-21taskset19:54:201
55699361cyclictest11742-21taskset19:54:201
121750360irq/30-eth0_g0_1219-21kworker/1:222:43:501
121750360irq/30-eth0_g0_1219-21kworker/1:221:31:521
121650360irq/29-eth0_g0_4356-21cpu19:24:190
121650360irq/29-eth0_g0_20869-21unixbench_multi20:29:290
121650360irq/29-eth0_g0_13585-21runrttasks19:59:290
55699352cyclictest13056-21df_inode19:59:191
55699351cyclictest5968-21taskset19:29:281
55699351cyclictest27018-21grep20:54:301
55699351cyclictest25344-21taskset20:49:241
55699351cyclictest19397-21ntp_kernel_pll_20:24:261
55699351cyclictest10848-21grep19:49:271
55699351cyclictest0-21swapper/120:14:351
121650350irq/29-eth0_g0_3360-21irqstats19:19:220
121650350irq/29-eth0_g0_3360-21irqstats19:19:220
121650350irq/29-eth0_g0_1964-21runrttasks20:46:090
121650350irq/29-eth0_g0_1964-21runrttasks20:36:000
121650350irq/29-eth0_g0_1964-21runrttasks20:36:000
121650350irq/29-eth0_g0_19016-21/usr/sbin/munin20:24:230
121650350irq/29-eth0_g0_10394-21cat19:49:090
55699341cyclictest0-21swapper/119:22:081
55699341cyclictest0-21swapper/119:22:081
121750340irq/30-eth0_g0_8589-21timerandwakeup19:39:291
121650330irq/29-eth0_g0_7824-21runrttasks19:38:061
121650330irq/29-eth0_g0_5692-21df_abs19:29:210
121650320irq/29-eth0_g0_25651-21sendmail_mailqu20:49:300
121650320irq/29-eth0_g0_0-21swapper/020:59:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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