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2026-03-04 - 12:49
[ 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 the highest latencies:
System rack1slot2s.osadl.org (updated Wed Mar 04, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335126867,0sleep20-21swapper/218:57:552
304450480,0irq/25-eth10-21swapper/318:58:253
344823723,0sleep00-21swapper/018:58:580
375623425,0sleep10-21swapper/119:02:191
38359965,0cyclictest1133-21ps23:22:391
339960,0migration/36154-21sh23:43:183
339960,0migration/322545-21sh00:15:333
339960,0migration/316947-21gltestperf23:32:383
339960,0migration/315367-21sh23:51:553
29715060,0irq/26-eth0-rx-8887-21iostat_ios20:42:373
29715060,0irq/26-eth0-rx-16736-21latency_hist22:52:233
259960,0migration/223703-21sh23:36:492
149960,0migration/09581-21sh21:46:410
149960,0migration/08104-21sh22:24:420
149960,0migration/0477-21sh22:42:190
149960,0migration/032158-21sh22:18:520
149960,0migration/024926-21sh22:37:060
149960,0migration/023785-21sh23:16:000
8215050,0irq/24-0000:00:4752-21latency_hist19:27:242
8215050,0irq/24-0000:00:32389-21munin-run20:12:232
38369955,0cyclictest1927-21diskmemload23:56:012
38369955,0cyclictest0-21swapper/223:18:492
38369955,0cyclictest0-21swapper/223:12:592
38369955,0cyclictest0-21swapper/219:32:442
38369950,0cyclictest0-21swapper/221:35:422
38369950,0cyclictest0-21swapper/200:08:192
38359955,0cyclictest0-21swapper/123:54:231
38359955,0cyclictest0-21swapper/122:02:171
38359950,0cyclictest0-21swapper/121:23:301
38349950,0cyclictest0-21swapper/023:56:230
38349950,0cyclictest0-21swapper/022:53:280
38349950,0cyclictest0-21swapper/022:16:250
339950,0migration/39343-21aten_r1power_en22:27:333
339950,0migration/37088-21kthreadcore19:02:403
339950,0migration/36712-21missed_timers22:22:393
339950,0migration/36100-21timerwakeupswit20:12:453
339950,0migration/35663-21needreboot23:22:423
339950,0migration/332528-21taskset22:41:053
339950,0migration/332392-21taskset22:19:343
339950,0migration/324152-21timerwakeupswit19:37:473
339950,0migration/318676-21kernelversion19:12:403
339950,0migration/318244-21taskset21:32:213
339950,0migration/316913-21kthreadcore20:47:403
339950,0migration/31538-21irqcore23:02:363
339950,0migration/315120-21runrttasks23:08:553
339950,0migration/313926-21kthreadcore22:07:403
339950,0migration/313907-21diskmemload00:08:343
339950,0migration/312462-21latency_hist19:57:243
339950,0migration/311830-21kthreadcore00:27:403
339950,0migration/311270-21munin-node21:07:393
29725050,0irq/27-eth0-tx-9352-21ssh21:05:362
29725050,0irq/27-eth0-tx-9218-21ssh21:45:372
29725050,0irq/27-eth0-tx-6559-21runrttasks23:00:452
29725050,0irq/27-eth0-tx-27367-21gltestperf21:17:362
29725050,0irq/27-eth0-tx-16084-21ssh23:11:452
29725050,0irq/27-eth0-tx-10989-21kthreadcore23:47:422
29725050,0irq/27-eth0-tx-10575-21munin-node21:27:432
29725050,0irq/27-eth0-tx-10104-21munin-node21:47:392
29725050,0irq/27-eth0-tx-0-21swapper/223:45:342
29725050,0irq/27-eth0-tx-0-21swapper/222:39:562
29725050,0irq/27-eth0-tx-0-21swapper/222:36:162
29725050,0irq/27-eth0-tx-0-21swapper/222:22:212
29725050,0irq/27-eth0-tx-0-21swapper/222:17:182
29725050,0irq/27-eth0-tx-0-21swapper/221:57:252
29725050,0irq/27-eth0-tx-0-21swapper/200:17:252
29725050,0irq/27-eth0-tx-0-21swapper/020:46:550
29725050,0irq/27-eth0-tx-0-21swapper/020:07:430
29725050,0irq/27-eth0-tx-0-21swapper/019:32:420
29725050,0irq/27-eth0-tx-0-21swapper/019:05:250
29715050,0irq/26-eth0-rx-5697-21kthreadcore21:02:413
29715050,0irq/26-eth0-rx-31031-21ssh23:18:533
29715050,0irq/26-eth0-rx-28716-21kthreadcore23:37:403
29715050,0irq/26-eth0-rx-23831-21df_abs00:17:353
29715050,0irq/26-eth0-rx-22573-21cut20:02:423
29715050,0irq/26-eth0-rx-2207-21cpu21:42:353
29715050,0irq/26-eth0-rx-20350-21kthreadcore21:12:413
29715050,0irq/26-eth0-rx-17526-21ssh21:51:393
29715050,0irq/26-eth0-rx-13988-21python23:27:453
29715050,0irq/26-eth0-rx-0-21swapper/323:52:393
29715050,0irq/26-eth0-rx-0-21swapper/323:01:443
29715050,0irq/26-eth0-rx-0-21swapper/322:52:333
29715050,0irq/26-eth0-rx-0-21swapper/321:56:243
29715050,0irq/26-eth0-rx-0-21swapper/321:38:583
29715050,0irq/26-eth0-rx-0-21swapper/321:23:473
29715050,0irq/26-eth0-rx-0-21swapper/319:32:403
29715050,0irq/26-eth0-rx-0-21swapper/300:02:433
259950,0migration/26134-21timerwakeupswit20:12:452
259950,0migration/23455-21kthreadcore23:02:372
259950,0migration/224745-21latency_hist22:57:232
259950,0migration/21755-21aten_r1power_vo22:02:352
259950,0migration/215343-21munin-node22:07:432
249950,0watchdog/23193-21cut22:22:382
249950,0watchdog/226554-21tail21:37:342
249950,0watchdog/216044-21sh21:07:462
179950,0migration/129493-21kthreadcore21:37:401
179950,0migration/123631-21sh23:36:361
169950,0watchdog/13450-21kthreadcore23:02:371
169950,0watchdog/121993-21kthreadcore21:32:421
149950,0migration/08085-21taskset22:03:260
149950,0migration/08009-21taskset23:06:290
149950,0migration/06823-21taskset00:06:110
149950,0migration/0578-21fschecks_count23:22:360
149950,0migration/030821-21munin-node19:22:370
149950,0migration/030258-21munin-node23:17:450
149950,0migration/028000-21kthreadcore19:17:410
149950,0migration/027996-21aten_r1power_en20:57:350
149950,0migration/027208-21fschecks_time21:17:360
149950,0migration/026643-21aten_r1power_vo21:37:340
149950,0migration/025086-21kthreadcore00:17:390
149950,0migration/024920-21irqcore23:57:390
149950,0migration/02279-21aten_r1power_fr21:02:350
149950,0migration/021772-21kthreadcore21:12:410
149950,0migration/019598-21kthreadcore21:52:400
149950,0migration/018794-21kthreadcore19:12:400
149950,0migration/015504-21sh22:49:020
149950,0migration/012844-21kthreadcore23:27:410
149950,0migration/012795-21aten_r1power_vo19:57:360
38369943,0cyclictest3556-21lldpd19:18:552
38369943,0cyclictest3514-21snmpd23:38:102
38369943,0cyclictest3514-21snmpd20:42:392
38369943,0cyclictest3514-21snmpd19:45:532
38369943,0cyclictest302-21awk00:02:382
38369943,0cyclictest16339-21awk00:12:372
38369943,0cyclictest14540-21awk20:22:382
38359944,0cyclictest0-21swapper/122:33:021
38359944,0cyclictest0-21swapper/122:14:541
38359944,0cyclictest0-21swapper/120:32:261
38359943,0cyclictest9185-21awk23:27:391
38359943,0cyclictest3556-21lldpd23:12:271
38359943,0cyclictest3556-21lldpd22:03:551
38359943,0cyclictest3556-21lldpd20:57:251
38359943,0cyclictest3556-21lldpd20:48:251
38359943,0cyclictest3556-21lldpd20:46:251
38359943,0cyclictest3556-21lldpd20:14:251
38359943,0cyclictest3556-21lldpd19:57:251
38359943,0cyclictest3556-21lldpd19:48:241
38359943,0cyclictest3556-21lldpd19:42:251
38359943,0cyclictest3556-21lldpd19:23:251
38359943,0cyclictest3556-21lldpd00:28:571
38359943,0cyclictest3514-21snmpd21:53:551
38359943,0cyclictest3514-21snmpd19:35:381
38359943,0cyclictest3514-21snmpd00:14:551
38359943,0cyclictest32745-21awk00:02:381
38359943,0cyclictest3241-21irqbalance22:20:521
38359943,0cyclictest32372-21awk00:22:371
38359943,0cyclictest3114-21awk21:02:391
38359943,0cyclictest2017-21awk20:37:381
38359943,0cyclictest15205-21sadc00:12:231
38359943,0cyclictest13396-21sadc20:22:231
38359943,0cyclictest11293-21awk21:07:391
38359943,0cyclictest10600-21awk22:07:371
38349944,0cyclictest0-21swapper/023:45:390
38349944,0cyclictest0-21swapper/022:57:340
38349944,0cyclictest0-21swapper/022:30:080
38349944,0cyclictest0-21swapper/021:47:250
38349944,0cyclictest0-21swapper/021:32:360
38349943,0cyclictest5840-21awk19:27:380
38349943,0cyclictest3556-21lldpd00:27:270
38349943,0cyclictest3514-21snmpd20:05:240
38349943,0cyclictest3241-21irqbalance23:48:510
38349943,0cyclictest25852-21awk19:42:380
38349943,0cyclictest14564-21awk20:22:390
38349943,0cyclictest13431-21kworker/0:021:09:550
38349943,0cyclictest13431-21kworker/0:020:48:070
38349943,0cyclictest11474-21awk21:27:380
38349943,0cyclictest10633-21awk22:07:380
339940,0migration/39945-21kthreadcore19:27:413
339940,0migration/36395-21kthreadcore20:37:413
339940,0migration/3626-21taskset20:34:403
339940,0migration/35393-21diskmemload00:23:253
339940,0migration/328229-21kthreadcore19:42:413
339940,0migration/326442-21kthreadcore19:17:403
339940,0migration/318884-21irqcore22:12:393
29725040,0irq/27-eth0-tx-7656-21fschecks_time00:27:352
29725040,0irq/27-eth0-tx-24293-21ssh21:53:062
29725040,0irq/27-eth0-tx-0-21swapper/223:29:512
29725040,0irq/27-eth0-tx-0-21swapper/223:22:402
29725040,0irq/27-eth0-tx-0-21swapper/222:48:402
29725040,0irq/27-eth0-tx-0-21swapper/222:42:352
29725040,0irq/27-eth0-tx-0-21swapper/221:26:262
29725040,0irq/27-eth0-tx-0-21swapper/221:12:342
29725040,0irq/27-eth0-tx-0-21swapper/200:22:562
29725040,0irq/27-eth0-tx-0-21swapper/020:12:340
29725040,0irq/27-eth0-tx-0-21swapper/019:52:360
29715040,0irq/26-eth0-rx-0-21swapper/323:58:213
29715040,0irq/26-eth0-rx-0-21swapper/323:13:323
29715040,0irq/26-eth0-rx-0-21swapper/322:42:343
29715040,0irq/26-eth0-rx-0-21swapper/322:33:163
29715040,0irq/26-eth0-rx-0-21swapper/322:02:313
29715040,0irq/26-eth0-rx-0-21swapper/321:57:553
29715040,0irq/26-eth0-rx-0-21swapper/321:32:413
29715040,0irq/26-eth0-rx-0-21swapper/321:17:393
29715040,0irq/26-eth0-rx-0-21swapper/320:22:413
29715040,0irq/26-eth0-rx-0-21swapper/319:57:373
259940,0migration/27506-21kthreadcore19:52:412
259940,0migration/25345-21kernelversion19:02:392
259940,0migration/24006-21kthreadcore20:37:402
259940,0migration/226498-21kthreadcore23:57:402
259940,0migration/220722-21kthreadcore19:37:412
259940,0migration/218765-21kthreadcore19:12:402
259940,0migration/212553-21kthreadcore22:27:392
259940,0migration/211427-21fschecks_time19:07:372
249940,0watchdog/26559-21runrttasks19:50:342
249940,0watchdog/21721-21kthreadcore19:22:422
179940,0migration/19068-21fschecks_count23:07:371
179940,0migration/18310-21fschecks_count23:47:381
179940,0migration/17452-21kthreadcore19:27:401
179940,0migration/15280-21irqrtprio19:02:391
179940,0migration/14907-21kthreadcore22:42:401
179940,0migration/14079-21kthreadcore22:22:381
179940,0migration/132243-21sh23:01:131
179940,0migration/130039-21munin-node19:17:481
179940,0migration/128044-21kthreadcore21:17:391
179940,0migration/124885-21kthreadcore00:17:391
179940,0migration/124020-21switchtime19:37:471
179940,0migration/123845-21latency21:12:421
179940,0migration/123825-21kthreadcore20:02:421
179940,0migration/119849-21taskset20:25:101
179940,0migration/119670-21kthreadcore22:52:401
179940,0migration/118021-21fschecks_time19:12:371
179940,0migration/116468-21taskset22:30:501
179940,0migration/115693-21kthreadcore21:27:411
179940,0migration/115582-21taskset22:49:161
169940,0watchdog/16448-21ssh23:44:091
169940,0watchdog/125098-21if_eth023:37:371
169940,0watchdog/116867-21chrt19:09:061
169940,0watchdog/115893-21switchtime21:47:461
169940,0watchdog/10-21swapper/122:37:371
149940,0migration/02417-21kthreadcore22:42:400
8215030,0irq/24-0000:00:0-21swapper/220:52:252
8215030,0irq/24-0000:00:0-21swapper/220:32:252
38369932,0cyclictest21529-21cut20:27:402
38369932,0cyclictest19477-21egrep20:02:362
38369932,0cyclictest1930-21perf21:02:232
38369932,0cyclictest18392-21kthreadcore20:47:402
38359932,0cyclictest6919-21awk19:52:391
38359932,0cyclictest27407-21grep20:07:411
38359932,0cyclictest21240-21awk20:27:391
38359931,0cyclictest0-21swapper/123:57:351
38349933,0cyclictest30528-21kworker/0:219:47:270
38349933,0cyclictest30528-21kworker/0:219:07:310
38349933,0cyclictest13431-21kworker/0:023:37:400
38349933,0cyclictest13431-21kworker/0:023:33:020
38349933,0cyclictest13431-21kworker/0:021:57:330
38349933,0cyclictest13431-21kworker/0:021:22:430
38349933,0cyclictest13431-21kworker/0:020:37:270
38349933,0cyclictest13431-21kworker/0:020:32:290
38349933,0cyclictest13431-21kworker/0:020:27:330
38349933,0cyclictest13431-21kworker/0:020:17:290
38349933,0cyclictest13431-21kworker/0:000:12:580
38349933,0cyclictest13431-21kworker/0:000:07:280
38349932,0cyclictest3556-21lldpd19:37:250
38349932,0cyclictest1230-21kthreadcore00:22:390
38349930,0cyclictest9004-21diskstats23:07:360
339930,0migration/36973-21runrttasks20:17:323
29725030,0irq/27-eth0-tx-21283-21telnet20:52:350
29715030,0irq/26-eth0-rx-0-21swapper/320:57:353
29715030,0irq/26-eth0-rx-0-21swapper/320:31:543
29715030,0irq/26-eth0-rx-0-21swapper/320:09:243
29715030,0irq/26-eth0-rx-0-21swapper/319:47:333
29715030,0irq/26-eth0-rx-0-21swapper/319:07:353
249930,0watchdog/20-21swapper/219:57:382
169930,0watchdog/12019-21ssh21:42:301
169930,0watchdog/10-21swapper/123:17:411
35120,0ktimersoftd/330676-21taskset19:22:333
339920,0migration/321622-21diskstats20:52:373
249920,0watchdog/20-21swapper/220:17:342
169920,0watchdog/10-21swapper/120:52:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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