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2026-02-14 - 10:27
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #2

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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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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack1slot2s.osadl.org (updated Sat Feb 14, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2192323625,0sleep00-21swapper/019:02:420
304450350,0irq/25-eth10-21swapper/319:00:503
2192023324,0sleep20-21swapper/219:02:402
2199323228,0sleep10-21swapper/119:03:311
35160,0ktimersoftd/30-21swapper/320:19:063
339960,0migration/39484-21sh23:59:003
339960,0migration/36849-21needreboot00:14:253
339960,0migration/312517-21munin-node21:39:163
339960,0migration/310088-21sh22:57:163
29725060,0irq/27-eth0-tx-31847-21munin-node20:24:210
29715060,0irq/26-eth0-rx-9778-21load21:34:233
29715060,0irq/26-eth0-rx-646-21python22:49:283
29715060,0irq/26-eth0-rx-25286-40yum-updatesd-he23:47:213
29715060,0irq/26-eth0-rx-1288-21munin-node22:09:253
221159965,0cyclictest27344-21ps23:49:232
221149966,0cyclictest0-21swapper/122:14:061
221149960,0cyclictest20243-21diskmemload22:29:041
221149960,0cyclictest0-21swapper/122:32:041
221139960,0cyclictest0-21swapper/022:31:020
19160,0ktimersoftd/10-21swapper/100:31:531
149960,0migration/026782-21sh22:48:120
149960,0migration/026121-21sh22:25:210
149960,0migration/024149-21latency_hist19:54:050
149960,0migration/018574-21munin-node00:24:210
149960,0migration/011688-21sh21:17:430
4150,0ktimersoftd/00-21swapper/022:14:290
4150,0ktimersoftd/00-21swapper/021:59:210
339950,0migration/38818-21pmu-power19:14:263
339950,0migration/36621-21kthreadcore21:14:233
339950,0migration/331015-21kthreadcore23:49:253
339950,0migration/32885-21taskset19:13:063
339950,0migration/328485-21munin-node21:09:153
339950,0migration/328459-21munin-node22:29:183
339950,0migration/326616-21fschecks_count20:44:193
339950,0migration/326399-21latency_hist23:29:053
339950,0migration/322193-21kthreadcore21:24:213
339950,0migration/321035-21kthreadcore22:24:223
339950,0migration/319827-21idleruntime23:04:193
339950,0migration/319133-21taskset20:37:233
339950,0migration/317737-21aten_r1power_vo19:49:173
339950,0migration/31732-21sh23:33:433
339950,0migration/312041-21kthreadcore20:54:233
29725050,0irq/27-eth0-tx-24395-21uname23:24:252
29725050,0irq/27-eth0-tx-0-21swapper/020:45:500
29725050,0irq/27-eth0-tx-0-21swapper/019:34:190
29715050,0irq/26-eth0-rx-6559-21runrttasks22:14:203
29715050,0irq/26-eth0-rx-6559-21runrttasks00:08:483
29715050,0irq/26-eth0-rx-3186-21ssh21:31:393
29715050,0irq/26-eth0-rx-28358-21cut23:09:213
29715050,0irq/26-eth0-rx-19820-21taskset22:04:053
29715050,0irq/26-eth0-rx-17894-21perl00:24:183
29715050,0irq/26-eth0-rx-0-21swapper/323:59:233
29715050,0irq/26-eth0-rx-0-21swapper/323:39:053
29715050,0irq/26-eth0-rx-0-21swapper/323:15:163
29715050,0irq/26-eth0-rx-0-21swapper/322:39:183
29715050,0irq/26-eth0-rx-0-21swapper/322:21:103
29715050,0irq/26-eth0-rx-0-21swapper/322:05:083
29715050,0irq/26-eth0-rx-0-21swapper/321:52:483
29715050,0irq/26-eth0-rx-0-21swapper/321:20:363
29715050,0irq/26-eth0-rx-0-21swapper/300:32:013
29715050,0irq/26-eth0-rx-0-21swapper/300:19:203
29715050,0irq/26-eth0-rx-0-21swapper/300:13:543
27150,0ktimersoftd/20-21swapper/221:23:042
259950,0migration/2829-21fschecks_count20:49:182
259950,0migration/210576-21hddtemp_smartct23:59:192
221159955,0cyclictest0-21swapper/223:38:112
221159955,0cyclictest0-21swapper/223:21:192
221159954,0cyclictest22583-21kthreadcore21:44:212
221159950,0cyclictest0-21swapper/221:18:012
221159950,0cyclictest0-21swapper/220:49:012
221159950,0cyclictest0-21swapper/200:16:292
221149955,0cyclictest0-21swapper/122:35:041
221149955,0cyclictest0-21swapper/122:06:131
221149955,0cyclictest0-21swapper/121:55:581
221149955,0cyclictest0-21swapper/121:20:581
221149955,0cyclictest0-21swapper/100:19:451
221149955,0cyclictest0-21swapper/100:02:061
221149950,0cyclictest0-21swapper/122:55:431
221149950,0cyclictest0-21swapper/121:40:501
221149950,0cyclictest0-21swapper/100:06:591
221139950,0cyclictest0-21swapper/023:51:080
221139950,0cyclictest0-21swapper/022:23:090
221139950,0cyclictest0-21swapper/022:07:230
221139950,0cyclictest0-21swapper/021:27:020
179950,0migration/17752-21kthreadcore20:04:211
179950,0migration/17277-21kthreadcore23:34:211
179950,0migration/127655-21fschecks_time23:09:181
179950,0migration/12446-21munin-node19:09:291
169950,0watchdog/125835-21awk21:44:231
149950,0migration/09796-21fschecks_count00:19:170
149950,0migration/08973-21unixbench-2d22:54:270
149950,0migration/07924-21kthreadcore20:04:210
149950,0migration/06625-21kthreadcore23:54:220
149950,0migration/0584-21taskset00:13:050
149950,0migration/05687-21kthreadcore19:14:230
149950,0migration/032649-21kthreadcore21:09:220
149950,0migration/032260-21kthreadcore22:09:220
149950,0migration/030707-21kthreadcore21:29:220
149950,0migration/02820-21taskset19:12:190
149950,0migration/027919-21fschecks_count22:49:190
149950,0migration/021636-21kthreadcore20:39:220
149950,0migration/021352-21taskset21:44:200
149950,0migration/020769-21kthreadcore19:49:220
149950,0migration/018867-21taskset21:20:090
149950,0migration/018671-21aten_r1power_cu23:24:150
149950,0migration/018407-21fschecks_time00:04:170
149950,0migration/016194-21kthreadcore20:59:220
149950,0migration/016179-21munin-node23:19:230
149950,0migration/014319-21kthreadcore22:59:220
149950,0migration/013825-21kthreadcore20:09:220
149950,0migration/013415-21kthreadcore19:19:230
149950,0migration/012596-21ntp_offset20:54:250
149950,0migration/012055-21gltestperf22:39:180
149950,0migration/011708-21kthreadcore23:59:220
8215040,0irq/24-0000:00:0-21swapper/223:09:052
8215040,0irq/24-0000:00:0-21swapper/219:54:192
339940,0migration/330563-21fschecks_time19:34:183
339940,0migration/324426-21timerwakeupswit20:14:303
339940,0migration/321567-21irqcore21:04:203
339940,0migration/321112-21kthreadcore20:39:223
339940,0migration/314554-21kthreadcore20:09:233
339940,0migration/31030-21kthreadcore19:59:233
29725040,0irq/27-eth0-tx-9923-21ssh22:35:462
29725040,0irq/27-eth0-tx-4910-21fschecks_time21:34:182
29725040,0irq/27-eth0-tx-3569-21ssh22:14:092
29725040,0irq/27-eth0-tx-2824-21irqcore23:54:202
29725040,0irq/27-eth0-tx-20243-21diskmemload22:26:112
29725040,0irq/27-eth0-tx-20243-21diskmemload21:52:092
29725040,0irq/27-eth0-tx-18338-21ssh22:00:072
29725040,0irq/27-eth0-tx-15113-21ssh00:19:262
29725040,0irq/27-eth0-tx-11668-21ssh22:19:162
29725040,0irq/27-eth0-tx-0-21swapper/223:44:192
29725040,0irq/27-eth0-tx-0-21swapper/222:54:262
29725040,0irq/27-eth0-tx-0-21swapper/222:50:112
29725040,0irq/27-eth0-tx-0-21swapper/222:44:212
29725040,0irq/27-eth0-tx-0-21swapper/222:09:152
29725040,0irq/27-eth0-tx-0-21swapper/221:39:522
29725040,0irq/27-eth0-tx-0-21swapper/221:24:352
29725040,0irq/27-eth0-tx-0-21swapper/200:29:072
29725040,0irq/27-eth0-tx-0-21swapper/200:24:172
29725040,0irq/27-eth0-tx-0-21swapper/020:19:210
29715040,0irq/26-eth0-rx-0-21swapper/323:39:443
29715040,0irq/26-eth0-rx-0-21swapper/323:19:173
29715040,0irq/26-eth0-rx-0-21swapper/322:59:293
29715040,0irq/26-eth0-rx-0-21swapper/322:44:173
29715040,0irq/26-eth0-rx-0-21swapper/322:34:153
29715040,0irq/26-eth0-rx-0-21swapper/321:54:233
29715040,0irq/26-eth0-rx-0-21swapper/321:45:243
29715040,0irq/26-eth0-rx-0-21swapper/320:24:223
29715040,0irq/26-eth0-rx-0-21swapper/320:04:253
29715040,0irq/26-eth0-rx-0-21swapper/319:24:283
259940,0migration/2588-21kthreadcore19:59:232
259940,0migration/219668-21timerwakeupswit20:59:282
259940,0migration/217960-21df_abs19:49:172
259940,0migration/216021-21kthreadcore19:44:232
259940,0migration/212230-21kthreadcore23:39:212
259940,0migration/210225-21cpuspeed_turbos19:19:182
249940,0watchdog/28720-21unixbench_multi23:14:272
249940,0watchdog/22494-21ssh21:29:392
249940,0watchdog/223294-21if_eth1.319:04:202
249940,0watchdog/210249-21ssh21:54:512
221159944,0cyclictest0-21swapper/221:09:122
221159943,0cyclictest4199-21awk19:14:212
221159943,0cyclictest3556-21lldpd22:39:502
221159943,0cyclictest3514-21snmpd22:04:152
221159943,0cyclictest3514-21snmpd20:29:152
221159943,0cyclictest3514-21snmpd20:24:152
221159943,0cyclictest3514-21snmpd00:11:172
221159943,0cyclictest3241-21irqbalance23:29:532
221159943,0cyclictest3241-21irqbalance21:04:242
221159943,0cyclictest3241-21irqbalance20:55:242
221159943,0cyclictest3241-21irqbalance20:39:542
221159943,0cyclictest3241-21irqbalance20:34:442
221159943,0cyclictest3241-21irqbalance20:19:542
221159943,0cyclictest3241-21irqbalance20:14:342
221159943,0cyclictest30804-21awk19:34:192
221159943,0cyclictest2982-21sadc19:14:052
221159943,0cyclictest19918-21awk23:04:202
221159943,0cyclictest18574-21awk00:04:182
221159943,0cyclictest11863-21awk22:59:202
221159940,0cyclictest27668-21munin-node22:29:172
221149944,0cyclictest0-21swapper/123:57:121
221149944,0cyclictest0-21swapper/123:41:261
221149944,0cyclictest0-21swapper/123:21:341
221149943,0cyclictest3556-21lldpd23:49:211
221149943,0cyclictest3556-21lldpd23:14:501
221149943,0cyclictest3556-21lldpd20:59:201
221149943,0cyclictest3556-21lldpd20:39:201
221149943,0cyclictest3556-21lldpd20:29:191
221149943,0cyclictest3556-21lldpd20:10:501
221149943,0cyclictest3556-21lldpd19:59:191
221149943,0cyclictest3556-21lldpd19:44:191
221149943,0cyclictest3556-21lldpd19:39:191
221149943,0cyclictest3556-21lldpd19:24:181
221149943,0cyclictest3556-21lldpd19:14:191
221149943,0cyclictest29158-21awk21:49:191
221149943,0cyclictest27527-21awk23:29:191
221149943,0cyclictest20203-21awk22:44:191
221149943,0cyclictest19994-21awk23:04:201
221149943,0cyclictest19691-21sadc22:04:051
221139944,0cyclictest27188-21kworker/0:021:55:410
221139943,0cyclictest7194-21awk20:29:200
221139943,0cyclictest3514-21snmpd22:38:010
221139943,0cyclictest30891-21munin-node19:59:190
221139943,0cyclictest27965-21awk23:09:200
221139943,0cyclictest24173-21awk19:29:190
221139943,0cyclictest2156-21awk00:14:210
221139943,0cyclictest13778-21awk20:34:190
179940,0migration/15571-21kthreadcore20:49:231
179940,0migration/129625-21kthreadcore20:19:231
179940,0migration/126547-21unixbench_singl21:04:281
179940,0migration/125275-21kthreadcore19:29:211
179940,0migration/123871-21taskset19:52:511
179940,0migration/121385-21kthreadcore23:44:221
179940,0migration/121367-21kthreadcore00:24:221
179940,0migration/120709-21sh21:24:161
179940,0migration/11814-21munin-node21:09:261
179940,0migration/115594-21kthreadcore22:59:231
179940,0migration/11544-21kthreadcore19:34:211
169940,0watchdog/19115-21kthreadcore21:14:241
169940,0watchdog/1556-21sh00:12:591
169940,0watchdog/126081-21ssh23:28:191
169940,0watchdog/121892-21kthreadcore20:14:241
169940,0watchdog/117985-21ssh22:19:591
169940,0watchdog/111131-21ssh21:36:151
169940,0watchdog/10-21swapper/121:29:391
169940,0watchdog/10-21swapper/119:04:201
149940,0migration/09819-21missed_timers21:34:230
149940,0migration/022930-21kthreadcore21:04:210
149940,0migration/018710-21cpu20:14:190
149940,0migration/017294-21runrttasks19:48:270
149940,0migration/016690-21kthreadcore21:39:210
149940,0migration/011845-21kthreadcore23:39:210
8215030,0irq/24-0000:00:0-21swapper/220:09:052
339930,0migration/39990-21aten_r1power_en19:19:173
29725030,0irq/27-eth0-tx-0-21swapper/019:39:230
29715030,0irq/26-eth0-rx-0-21swapper/321:01:393
29715030,0irq/26-eth0-rx-0-21swapper/319:54:173
29715030,0irq/26-eth0-rx-0-21swapper/319:46:553
29715030,0irq/26-eth0-rx-0-21swapper/319:04:163
221159932,0cyclictest12743-21awk20:09:202
221159930,0cyclictest23925-21perl19:29:182
221149933,0cyclictest3556-21lldpd19:23:481
221149932,0cyclictest7793-21tune2fs20:54:191
221149932,0cyclictest3556-21lldpd20:44:201
221149932,0cyclictest28856-21awk22:09:191
221149932,0cyclictest12192-21awk22:39:191
221149930,0cyclictest2797-21cut20:24:221
221149930,0cyclictest1881-21perl00:14:191
221149930,0cyclictest13236-21diskstats20:34:171
221139933,0cyclictest27188-21kworker/0:020:49:110
221139933,0cyclictest27188-21kworker/0:019:24:170
221139933,0cyclictest27188-21kworker/0:019:04:070
221139933,0cyclictest19674-21kworker/0:223:44:060
221139933,0cyclictest19674-21kworker/0:223:34:080
221139933,0cyclictest19674-21kworker/0:223:29:120
221139933,0cyclictest19674-21kworker/0:223:14:060
221139933,0cyclictest19674-21kworker/0:223:04:160
221139933,0cyclictest19674-21kworker/0:200:29:180
221139932,0cyclictest3514-21snmpd21:49:060
169930,0watchdog/10-21swapper/122:49:231
29715020,0irq/26-eth0-rx-0-21swapper/320:49:133
29715020,0irq/26-eth0-rx-0-21swapper/320:29:163
29715020,0irq/26-eth0-rx-0-21swapper/319:39:173
29715020,0irq/26-eth0-rx-0-21swapper/319:29:073
221159921,0cyclictest16624-21cut19:24:162
221159920,0cyclictest4177-21sed19:39:052
221149920,0cyclictest0-21swapper/119:54:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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