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2026-02-25 - 08:42
[ 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 Feb 25, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41223627,0sleep30-21swapper/319:02:443
3269423423,0sleep00-21swapper/019:00:330
38123324,0sleep10-21swapper/119:02:221
3256323324,0sleep20-21swapper/218:59:032
5119970,0cyclictest26681-21open_files23:58:220
5169965,0cyclictest31194-21turbostat21:43:032
5129965,0cyclictest0-21swapper/123:07:001
5129960,0cyclictest31221-21diskmemload23:21:401
5119960,0cyclictest0-21swapper/022:12:160
4160,0ktimersoftd/00-21swapper/023:15:580
339960,0migration/38683-21irqrtprio21:28:173
339960,0migration/35980-21aten_r1power_vo23:08:143
339960,0migration/34447-21sh23:25:553
339960,0migration/329429-21sh22:19:503
339960,0migration/329085-21sh23:21:423
339960,0migration/327481-21munin-node23:38:243
339960,0migration/319742-21munin-node22:53:243
339960,0migration/314168-21sh21:10:353
29725060,0irq/27-eth0-tx-0-21swapper/223:03:142
29715060,0irq/26-eth0-rx-30814-21sed22:43:163
29715060,0irq/26-eth0-rx-18111-21kthreadcore23:13:203
149960,0migration/05354-21sh21:43:490
149960,0migration/020028-21pmu-power22:33:230
8215050,0irq/24-0000:00:4489-21crond20:43:032
5169950,0cyclictest0-21swapper/219:53:242
5169950,0cyclictest0-21swapper/200:13:232
5129955,0cyclictest0-21swapper/100:07:041
5129954,0cyclictest5640-21awk00:08:181
5129950,0cyclictest0-21swapper/121:25:571
5129950,0cyclictest0-21swapper/100:23:091
5119950,0cyclictest0-21swapper/022:54:220
5119950,0cyclictest0-21swapper/021:12:590
35150,0ktimersoftd/30-21swapper/321:34:043
339950,0migration/36307-21kthreadcore00:08:193
339950,0migration/34087-21kthreadcore21:43:203
339950,0migration/332187-21irqcore22:03:193
339950,0migration/3321-21kthreadcore23:03:203
339950,0migration/331558-21gltestperf22:23:173
339950,0migration/331247-21latency_hist21:43:033
339950,0migration/331032-21kthreadcore20:13:203
339950,0migration/324068-21kthreadcore00:18:183
339950,0migration/323684-21latency_hist20:33:033
339950,0migration/323402-21fschecks_time20:08:153
339950,0migration/322257-21taskset20:04:253
339950,0migration/315577-21munin-node21:53:163
339950,0migration/315076-21kthreadcore00:13:203
339950,0migration/314976-21kthreadcore23:53:203
339950,0migration/313627-21sshd21:49:383
339950,0migration/311090-21kthreadcore22:28:223
339950,0migration/310563-21aten_r1power_po20:23:153
29725050,0irq/27-eth0-tx-6290-21ssh21:25:352
29725050,0irq/27-eth0-tx-6133-21cut23:08:152
29725050,0irq/27-eth0-tx-15096-21perf21:13:032
29725050,0irq/27-eth0-tx-0-21swapper/223:55:382
29725050,0irq/27-eth0-tx-0-21swapper/221:58:002
29725050,0irq/27-eth0-tx-0-21swapper/221:13:452
29725050,0irq/27-eth0-tx-0-21swapper/020:58:570
29715050,0irq/26-eth0-rx-7265-21cut23:28:193
29715050,0irq/26-eth0-rx-32613-21kthreadcore23:43:193
29715050,0irq/26-eth0-rx-30139-21ssh21:19:503
29715050,0irq/26-eth0-rx-2625-21ssh00:24:053
29715050,0irq/26-eth0-rx-23481-21chrt20:32:343
29715050,0irq/26-eth0-rx-20893-21unixbench_multi22:13:253
29715050,0irq/26-eth0-rx-0-21swapper/323:51:393
29715050,0irq/26-eth0-rx-0-21swapper/322:50:253
29715050,0irq/26-eth0-rx-0-21swapper/322:02:153
29715050,0irq/26-eth0-rx-0-21swapper/321:26:503
29715050,0irq/26-eth0-rx-0-21swapper/321:06:363
259950,0migration/2489-21kthreadcore23:43:192
259950,0migration/24623-21taskset22:44:282
259950,0migration/24410-21sh00:28:132
259950,0migration/231811-21fschecks_time22:03:162
259950,0migration/228588-21munin-node22:18:242
249950,0watchdog/23614-21sh00:05:412
249950,0watchdog/218717-21kthreadcore22:53:212
249950,0watchdog/20-21swapper/222:26:372
19150,0ktimersoftd/10-21swapper/121:47:141
179950,0migration/13832-21timerandwakeup20:38:251
179950,0migration/131706-21munin-node22:23:181
179950,0migration/131456-21munin-node22:03:151
179950,0migration/126771-21proc_pri23:58:231
179950,0migration/124513-21irqcore21:18:181
179950,0migration/122682-21fschecks_count22:58:141
179950,0migration/121151-21sendmail_mailtr21:13:251
179950,0migration/118738-21kthreadcore22:53:211
179950,0migration/117514-21df_abs20:28:161
179950,0migration/11516-21munin-node19:48:231
169950,0watchdog/111643-21swap23:08:251
149950,0migration/08058-21kthreadcore23:08:190
149950,0migration/07145-21kthreadcore23:28:190
149950,0migration/06103-21munin-node23:48:180
149950,0migration/06018-21latency_hist22:48:030
149950,0migration/04530-21sh23:47:080
149950,0migration/0325-21irqcore21:23:200
149950,0migration/031919-21munin-node22:03:170
149950,0migration/031771-21kthreadcore19:48:200
149950,0migration/031514-21aten_r1power_en21:03:150
149950,0migration/031220-21latency_hist21:43:030
149950,0migration/031041-21kthreadcore20:13:200
149950,0migration/030887-21fschecks_count22:43:170
149950,0migration/030453-21kthreadcore00:03:200
149950,0migration/030132-21ksmtuned23:03:130
149950,0migration/030105-21sh22:00:530
149950,0migration/029830-21taskset21:19:000
149950,0migration/029256-21fschecks_time00:23:170
149950,0migration/029222-21ntp_kernel_err20:33:210
149950,0migration/029066-21sh22:18:460
149950,0migration/026497-21kthreadcore22:58:180
149950,0migration/026262-21kthreadcore19:43:210
149950,0migration/02367-21kthreadcore23:23:190
149950,0migration/022039-21unixbench-2d20:03:270
149950,0migration/020015-21kthreadcore20:53:200
149950,0migration/019537-21kthreadcore22:13:190
149950,0migration/018599-21needreboot23:53:220
149950,0migration/014881-21sh21:32:030
149950,0migration/014798-21kthreadcore20:23:210
149950,0migration/01315-21kthreadcore22:23:200
149950,0migration/012408-21taskset00:12:580
8215040,0irq/24-0000:00:0-21swapper/220:43:032
5169944,0cyclictest0-21swapper/223:48:102
5169944,0cyclictest0-21swapper/223:38:142
5169944,0cyclictest0-21swapper/221:18:142
5169943,0cyclictest7963-21awk21:48:172
5169943,0cyclictest3556-21lldpd19:49:262
5169943,0cyclictest3556-21lldpd19:36:252
5169943,0cyclictest3556-21lldpd19:09:252
5169943,0cyclictest3514-21snmpd23:13:192
5169943,0cyclictest3514-21snmpd19:26:332
5169943,0cyclictest3514-21snmpd19:20:332
5169943,0cyclictest17860-21sadc20:53:032
5169943,0cyclictest16121-21awk19:38:192
5129943,0cyclictest7706-21awk22:08:181
5129943,0cyclictest7049-21awk22:48:171
5129943,0cyclictest6375-21awk23:28:171
5129943,0cyclictest3627-21awk19:53:191
5129943,0cyclictest3556-21lldpd23:17:271
5129943,0cyclictest3556-21lldpd21:58:281
5129943,0cyclictest3556-21lldpd21:40:581
5129943,0cyclictest3556-21lldpd20:25:571
5129943,0cyclictest3514-21snmpd21:29:341
5129943,0cyclictest3514-21snmpd20:10:041
5129943,0cyclictest3241-21irqbalance23:23:111
5129943,0cyclictest3241-21irqbalance22:13:411
5129943,0cyclictest3241-21irqbalance21:48:111
5129943,0cyclictest28378-21sadc00:23:031
5129943,0cyclictest1761-21awk19:03:191
5129943,0cyclictest16019-21awk19:38:181
5129943,0cyclictest13632-21awk00:13:181
5119944,0cyclictest0-21swapper/023:34:530
5119944,0cyclictest0-21swapper/022:42:230
5119944,0cyclictest0-21swapper/019:18:030
5119943,0cyclictest3642-21awk19:53:190
5119943,0cyclictest3556-21lldpd21:51:580
5119943,0cyclictest3514-21snmpd00:31:340
5119943,0cyclictest3241-21irqbalance19:07:020
5119943,0cyclictest31421-21awk20:38:180
5119943,0cyclictest2604-21awk19:28:180
5119943,0cyclictest16366-21awk21:33:160
5119943,0cyclictest13706-21awk00:13:180
339940,0migration/37476-21kthreadcore00:28:193
339940,0migration/35247-21kthreadcore20:18:193
339940,0migration/323480-21kthreadcore23:58:193
339940,0migration/315568-21irqcore22:33:193
339940,0migration/312691-21kthreadcore19:33:213
29725040,0irq/27-eth0-tx-7353-21irqrtprio22:48:192
29725040,0irq/27-eth0-tx-0-21swapper/223:59:142
29725040,0irq/27-eth0-tx-0-21swapper/223:18:112
29725040,0irq/27-eth0-tx-0-21swapper/222:58:032
29725040,0irq/27-eth0-tx-0-21swapper/222:28:182
29725040,0irq/27-eth0-tx-0-21swapper/222:13:062
29725040,0irq/27-eth0-tx-0-21swapper/222:08:172
29725040,0irq/27-eth0-tx-0-21swapper/221:58:152
29725040,0irq/27-eth0-tx-0-21swapper/221:43:092
29725040,0irq/27-eth0-tx-0-21swapper/221:28:182
29725040,0irq/27-eth0-tx-0-21swapper/200:23:142
29725040,0irq/27-eth0-tx-0-21swapper/020:48:190
29725040,0irq/27-eth0-tx-0-21swapper/020:28:190
29725040,0irq/27-eth0-tx-0-21swapper/019:33:260
29715040,0irq/26-eth0-rx-32385-21kthreadcore00:03:213
29715040,0irq/26-eth0-rx-27877-21kthreadcore20:58:213
29715040,0irq/26-eth0-rx-0-21swapper/323:36:413
29715040,0irq/26-eth0-rx-0-21swapper/322:58:103
29715040,0irq/26-eth0-rx-0-21swapper/322:41:173
29715040,0irq/26-eth0-rx-0-21swapper/322:08:053
29715040,0irq/26-eth0-rx-0-21swapper/321:13:183
29715040,0irq/26-eth0-rx-0-21swapper/319:43:203
259940,0migration/26510-21kthreadcore00:08:192
259940,0migration/25737-21cpuspeed_turbos23:28:142
259940,0migration/23220-21kthreadcore19:03:212
259940,0migration/228590-21sh22:38:332
259940,0migration/22853-21timerandwakeup20:13:262
259940,0migration/226462-21kthreadcore20:08:192
259940,0migration/22504-21gltestperf19:28:182
259940,0migration/224292-21runrttasks20:55:042
259940,0migration/223433-21kthreadcore19:43:202
259940,0migration/223295-21kthreadcore00:18:182
259940,0migration/219277-21python23:33:252
259940,0migration/218503-21kthreadcore20:28:202
259940,0migration/218334-21kthreadcore22:33:202
259940,0migration/217925-21kthreadcore21:33:192
259940,0migration/215546-21runrttasks19:58:442
259940,0migration/21170-21kthreadcore23:23:192
249940,0watchdog/29171-21seq20:18:222
249940,0watchdog/231945-21fschecks_count21:03:172
249940,0watchdog/223858-21aten2.4-expect20:33:142
179940,0migration/19730-21latency00:28:201
179940,0migration/15948-21kthreadcore19:28:211
179940,0migration/131873-21kthreadcore22:43:201
179940,0migration/126827-21latency23:38:191
179940,0migration/125760-21kthreadcore19:43:211
179940,0migration/124893-21kthreadcore19:18:211
179940,0migration/124785-21kthreadcore22:38:201
179940,0migration/120610-21kthreadcore21:33:201
179940,0migration/119725-21kthreadcore21:53:211
179940,0migration/118786-21kthreadcore22:33:201
179940,0migration/116898-21kthreadcore23:33:201
179940,0migration/115962-21kthreadcore19:13:191
179940,0migration/112521-21irqcore20:48:191
179940,0migration/111941-21kthreadcore21:08:211
179940,0migration/110374-21kthreadcore23:48:201
169940,0watchdog/132331-21cut19:23:221
169940,0watchdog/120496-21ssh23:57:051
169940,0watchdog/10-21swapper/121:03:171
169940,0watchdog/10-21swapper/120:33:141
169940,0watchdog/10-21swapper/120:03:181
149940,0migration/08609-21irqcore19:08:190
149940,0migration/024359-21kthreadcore23:18:190
149940,0migration/024181-21kthreadcore20:08:190
149940,0migration/019109-21kthreadcore21:13:210
149940,0migration/018857-21kthreadcore19:38:210
5635230,0sleep15747-21ps20:43:171
5169932,0cyclictest25519-21head20:58:172
5169932,0cyclictest15040-21awk19:13:172
5129933,0cyclictest3556-21lldpd21:00:571
5129932,0cyclictest4617-21awk20:18:171
5129932,0cyclictest3514-21snmpd20:15:041
5129932,0cyclictest3514-21snmpd19:09:331
5129932,0cyclictest19055-21awk20:53:191
5129932,0cyclictest0-21swapper/122:18:081
5129931,0cyclictest0-21swapper/122:28:211
5119933,0cyclictest28122-21kworker/0:021:53:060
5119933,0cyclictest28122-21kworker/0:020:43:070
5119933,0cyclictest28122-21kworker/0:020:18:050
5119933,0cyclictest28122-21kworker/0:019:58:130
5119933,0cyclictest28122-21kworker/0:019:23:150
5119933,0cyclictest28122-21kworker/0:019:13:110
5119933,0cyclictest23890-21kworker/0:122:28:140
5119933,0cyclictest22619-21kworker/0:023:38:040
5119933,0cyclictest22619-21kworker/0:000:18:120
339930,0migration/328041-21fschecks_count19:23:183
29715030,0irq/26-eth0-rx-0-21swapper/320:53:153
29715030,0irq/26-eth0-rx-0-21swapper/320:43:133
29715030,0irq/26-eth0-rx-0-21swapper/320:40:333
29715030,0irq/26-eth0-rx-0-21swapper/319:58:153
29715030,0irq/26-eth0-rx-0-21swapper/319:53:213
29715030,0irq/26-eth0-rx-0-21swapper/319:50:093
29715030,0irq/26-eth0-rx-0-21swapper/319:38:143
29715030,0irq/26-eth0-rx-0-21swapper/319:13:133
29715030,0irq/26-eth0-rx-0-21swapper/319:09:223
29715030,0irq/26-eth0-rx-0-21swapper/319:07:143
249930,0watchdog/20-21swapper/220:23:182
249930,0watchdog/20-21swapper/220:03:182
179930,0migration/130904-21kthreadcore23:43:191
169930,0watchdog/10-21swapper/119:36:581
5129920,0cyclictest9422-21sed19:58:031
339920,0migration/32774-21iostat_ios19:28:203
329920,0watchdog/30-21swapper/319:18:073
29715020,0irq/26-eth0-rx-0-21swapper/320:48:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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