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2026-02-17 - 11:58
[ 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 Tue Feb 17, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2153028583,0sleep10-21swapper/119:01:231
304450530,0irq/25-eth10-21swapper/319:00:333
1550923524,0sleep00-21swapper/018:59:020
2142423423,0sleep20-21swapper/219:00:082
339960,0migration/326197-21timerandwakeup21:24:123
339960,0migration/318444-21gltestperf23:44:013
339960,0migration/317490-21munin-node00:04:003
339960,0migration/317469-21sh23:22:323
339960,0migration/312091-21kthreadcore23:59:043
339960,0migration/311391-21sh21:17:093
29715060,0irq/26-eth0-rx-19512-21sh21:42:523
29715060,0irq/26-eth0-rx-0-21swapper/321:07:383
218119960,0cyclictest0-21swapper/122:29:481
149960,0migration/032331-21idleruntime-cro20:48:480
8215050,0irq/24-0000:00:20026-21dump-pmu-power21:23:482
8215050,0irq/24-0000:00:0-21swapper/219:13:492
339950,0migration/39379-21sh22:55:573
339950,0migration/36729-21munin-node00:14:103
339950,0migration/3506-21runrttasks23:31:113
339950,0migration/33459-21diskmemload21:32:553
339950,0migration/330308-21kthreadcore21:09:063
339950,0migration/326663-21aten_r1power_fr23:08:593
339950,0migration/326113-21timerwakeupswit21:44:113
339950,0migration/323440-21kthreadcore19:04:053
339950,0migration/320767-21munin-node22:24:033
339950,0migration/319894-21munin-node22:03:593
339950,0migration/319341-21irqcore20:14:043
339950,0migration/319265-21aten_r1power_cu20:39:003
339950,0migration/318506-21latency_hist23:03:483
339950,0migration/314351-21kthreadcore21:59:053
339950,0migration/313383-21kthreadcore23:39:063
339950,0migration/312116-21kthreadcore22:59:053
339950,0migration/312042-21taskset20:29:513
339950,0migration/310201-21kthreadcore20:54:043
29725050,0irq/27-eth0-tx-8051-21sendmail_mailst23:14:102
29725050,0irq/27-eth0-tx-3434-21munin-node22:14:012
29725050,0irq/27-eth0-tx-30837-21kthreadcore22:29:032
29725050,0irq/27-eth0-tx-28076-21grep22:08:592
29725050,0irq/27-eth0-tx-26582-21munin-node23:09:102
29725050,0irq/27-eth0-tx-24671-21ssh00:07:572
29725050,0irq/27-eth0-tx-22162-21kthreadcore22:04:052
29725050,0irq/27-eth0-tx-1713-21munin-node23:34:112
29725050,0irq/27-eth0-tx-15062-21chrt00:19:222
29725050,0irq/27-eth0-tx-0-21swapper/223:59:162
29725050,0irq/27-eth0-tx-0-21swapper/223:28:102
29725050,0irq/27-eth0-tx-0-21swapper/221:39:322
29725050,0irq/27-eth0-tx-0-21swapper/200:24:342
29715050,0irq/26-eth0-rx-468-21kthreadcore20:24:063
29715050,0irq/26-eth0-rx-32440-21ssh00:12:233
29715050,0irq/26-eth0-rx-30420-21kthreadcore22:29:033
29715050,0irq/26-eth0-rx-25378-21tune2fs00:29:013
29715050,0irq/26-eth0-rx-24306-21kthreadcore22:44:073
29715050,0irq/26-eth0-rx-10625-21ssh22:17:003
29715050,0irq/26-eth0-rx-0-21swapper/323:24:033
29715050,0irq/26-eth0-rx-0-21swapper/323:16:093
29715050,0irq/26-eth0-rx-0-21swapper/322:53:243
29715050,0irq/26-eth0-rx-0-21swapper/322:40:443
29715050,0irq/26-eth0-rx-0-21swapper/322:34:123
29715050,0irq/26-eth0-rx-0-21swapper/322:10:103
29715050,0irq/26-eth0-rx-0-21swapper/321:56:433
29715050,0irq/26-eth0-rx-0-21swapper/321:34:043
29715050,0irq/26-eth0-rx-0-21swapper/319:49:073
259950,0migration/29854-21kthreadcore20:29:042
259950,0migration/24227-21cpuspeed_turbos19:39:012
259950,0migration/225727-21kthreadcore19:29:062
259950,0migration/220548-21kthreadcore20:14:052
259950,0migration/219264-21kthreadcore23:44:042
259950,0migration/212263-21gltestperf22:19:012
259950,0migration/211530-21latency_hist20:08:482
259950,0migration/211206-21sh21:57:392
249950,0watchdog/20-21swapper/223:39:062
218129950,0cyclictest0-21swapper/221:25:032
218129950,0cyclictest0-21swapper/221:07:332
218119955,0cyclictest0-21swapper/121:48:201
218119955,0cyclictest0-21swapper/121:26:061
218119955,0cyclictest0-21swapper/121:11:271
218119950,0cyclictest0-21swapper/123:51:471
218119950,0cyclictest0-21swapper/123:14:341
218119950,0cyclictest0-21swapper/122:54:141
218119950,0cyclictest0-21swapper/122:44:281
218119950,0cyclictest0-21swapper/122:17:581
218119950,0cyclictest0-21swapper/121:07:581
218119950,0cyclictest0-21swapper/100:03:271
218109955,0cyclictest19966-21diskmemload21:55:580
19150,0ktimersoftd/10-21swapper/100:20:471
179950,0migration/19584-21latency_hist23:38:481
179950,0migration/125952-21gltestperf00:09:021
179950,0migration/12021-21irqrtprio00:14:041
179950,0migration/119983-21kthreadcore23:24:031
179950,0migration/119300-21gltestperf23:04:021
179950,0migration/119122-21latency_hist20:38:481
179950,0migration/118548-21kthreadcore19:24:041
179950,0migration/117403-21aten_r1power_en19:49:001
179950,0migration/116165-21munin-node19:44:091
179950,0migration/114014-21kthreadcore21:59:051
169950,0watchdog/115593-21latency23:19:061
149950,0migration/0903-21aten_r1power_po00:13:590
149950,0migration/08124-21kthreadcore19:14:070
149950,0migration/03493-21aten_r1power_en22:13:590
149950,0migration/030532-21proc_pri20:19:100
149950,0migration/028948-21fschecks_time21:29:010
149950,0migration/028926-21sh21:49:020
149950,0migration/025986-21sh22:46:410
149950,0migration/022283-21kthreadcore21:04:050
149950,0migration/020186-21df_abs22:04:010
149950,0migration/019670-21kthreadcore00:04:050
149950,0migration/017941-21sh23:02:470
149950,0migration/01629-21sh22:30:310
149950,0migration/010961-21kthreadcore20:54:050
149950,0migration/010951-21sh21:16:010
8215040,0irq/24-0000:00:32320-21latency_hist20:48:482
8215040,0irq/24-0000:00:28210-21cat21:28:482
339940,0migration/34657-21kthreadcore20:49:053
339940,0migration/330937-21kernelversion19:34:053
339940,0migration/325434-21kthreadcore19:29:063
339940,0migration/324040-21aten2.4-expect19:53:593
339940,0migration/319681-21kthreadcore19:24:053
339940,0migration/31584-21missed_timers19:09:073
29725040,0irq/27-eth0-tx-32559-21munin-node20:48:580
29725040,0irq/27-eth0-tx-25655-21munin-node23:49:022
29725040,0irq/27-eth0-tx-20771-21fschecks_time21:44:022
29725040,0irq/27-eth0-tx-19416-21ssh22:23:502
29725040,0irq/27-eth0-tx-0-21swapper/223:54:552
29725040,0irq/27-eth0-tx-0-21swapper/223:29:572
29725040,0irq/27-eth0-tx-0-21swapper/223:18:572
29725040,0irq/27-eth0-tx-0-21swapper/222:53:522
29725040,0irq/27-eth0-tx-0-21swapper/222:44:212
29725040,0irq/27-eth0-tx-0-21swapper/222:35:092
29725040,0irq/27-eth0-tx-0-21swapper/221:14:042
29725040,0irq/27-eth0-tx-0-21swapper/221:09:102
29725040,0irq/27-eth0-tx-0-21swapper/200:28:512
29725040,0irq/27-eth0-tx-0-21swapper/200:10:102
29725040,0irq/27-eth0-tx-0-21swapper/020:34:050
29725040,0irq/27-eth0-tx-0-21swapper/019:24:100
29715040,0irq/26-eth0-rx-0-21swapper/323:55:073
29715040,0irq/26-eth0-rx-0-21swapper/323:49:123
29715040,0irq/26-eth0-rx-0-21swapper/323:34:003
29715040,0irq/26-eth0-rx-0-21swapper/322:18:493
29715040,0irq/26-eth0-rx-0-21swapper/321:48:533
29715040,0irq/26-eth0-rx-0-21swapper/321:20:203
29715040,0irq/26-eth0-rx-0-21swapper/300:23:593
29715040,0irq/26-eth0-rx-0-21swapper/300:20:023
259940,0migration/29119-21kthreadcore21:34:072
259940,0migration/226235-21irqrtprio20:19:062
259940,0migration/225874-21kthreadcore19:54:052
259940,0migration/213751-21irqcore20:34:042
259940,0migration/211757-21latency_hist21:58:482
259940,0migration/211176-21munin-node22:38:592
249940,0watchdog/23578-21perl19:14:032
249940,0watchdog/221796-21ntp_states19:24:072
249940,0watchdog/21323-21kthreadcore19:59:072
249940,0watchdog/210390-21perl19:19:032
249940,0watchdog/20-21swapper/223:04:062
249940,0watchdog/20-21swapper/220:44:072
249940,0watchdog/20-21swapper/200:14:022
218129943,0cyclictest3514-21snmpd20:55:502
218129943,0cyclictest3514-21snmpd20:40:502
218129943,0cyclictest3514-21snmpd19:33:502
218129943,0cyclictest3514-21snmpd19:07:492
218129943,0cyclictest29150-21awk21:49:042
218129943,0cyclictest11601-21awk22:59:042
218129941,0cyclictest0-21swapper/222:49:002
218129940,0cyclictest0-21swapper/219:43:502
218119944,0cyclictest0-21swapper/120:48:541
218119943,0cyclictest3980-21awk22:34:031
218119943,0cyclictest3556-21lldpd23:40:461
218119943,0cyclictest3241-21irqbalance23:09:261
218119943,0cyclictest3241-21irqbalance21:38:571
218119943,0cyclictest29231-21awk21:29:031
218119943,0cyclictest28808-21awk22:09:031
218119943,0cyclictest27959-21awk22:49:031
218119943,0cyclictest2699-21sadc19:13:491
218119943,0cyclictest26741-21awk20:44:031
218119943,0cyclictest17813-21awk00:24:031
218119943,0cyclictest13267-21awk21:19:041
218119943,0cyclictest11433-21dump-pmu-power20:08:481
218109944,0cyclictest0-21swapper/023:31:020
218109944,0cyclictest0-21swapper/023:05:390
218109944,0cyclictest0-21swapper/021:27:070
218109943,0cyclictest3556-21lldpd23:59:450
218109943,0cyclictest3556-21lldpd23:26:460
218109943,0cyclictest3556-21lldpd23:13:460
218109943,0cyclictest3556-21lldpd22:54:150
218109943,0cyclictest3556-21lldpd22:00:150
218109943,0cyclictest3556-21lldpd21:10:450
218109943,0cyclictest3556-21lldpd21:00:150
218109943,0cyclictest3556-21lldpd20:14:150
218109943,0cyclictest3556-21lldpd19:59:150
218109943,0cyclictest3556-21lldpd19:04:140
218109943,0cyclictest3241-21irqbalance23:35:260
218109943,0cyclictest3241-21irqbalance21:38:370
218109943,0cyclictest26504-21awk23:49:020
218109943,0cyclictest24522-21crond00:28:480
218109943,0cyclictest21002-21awk21:44:030
218109943,0cyclictest12997-21awk21:39:030
218109943,0cyclictest10648-21awk19:19:050
218109940,0cyclictest0-21swapper/021:21:170
179940,0migration/19357-21missed_timers19:39:071
179940,0migration/18374-21kthreadcore20:54:041
179940,0migration/14557-21fschecks_count21:34:021
179940,0migration/14365-21kthreadcore19:14:061
179940,0migration/129897-21kthreadcore21:49:051
179940,0migration/128120-21kthreadcore23:29:041
179940,0migration/127241-21kthreadcore20:19:061
179940,0migration/126290-21kthreadcore00:29:041
179940,0migration/123623-21fschecks_time19:29:021
179940,0migration/118304-21irqcore00:04:041
179940,0migration/114937-21latency19:19:071
179940,0migration/114852-21kthreadcore20:09:071
179940,0migration/113740-21kthreadcore22:59:061
169940,0watchdog/16378-21cut23:54:061
169940,0watchdog/124509-21ssh23:46:141
169940,0watchdog/119881-21perl20:39:031
169940,0watchdog/118484-21ssh22:21:421
169940,0watchdog/113572-21aten2.4-expect20:58:591
169940,0watchdog/111087-21head22:38:581
169940,0watchdog/110774-21ssh21:56:221
169940,0watchdog/10-21swapper/121:14:071
169940,0watchdog/10-21swapper/119:59:071
149940,0migration/09474-21ksmtuned22:34:500
149940,0migration/09101-21cpuspeed_turbos00:18:590
149940,0migration/032483-21if_err_eth120:24:040
149940,0migration/028037-21irqcore22:49:040
149940,0migration/026863-21kthreadcore19:54:050
149940,0migration/022222-21kthreadcore20:39:060
149940,0migration/02054-21diskmemload22:10:430
149940,0migration/020258-21sh22:24:010
149940,0migration/018924-21taskset22:23:000
149940,0migration/018473-21irqcore19:49:050
149940,0migration/017789-21diskmemload22:40:570
149940,0migration/011665-21taskset20:08:560
339930,0migration/331982-21sshd20:44:543
29725030,0irq/27-eth0-tx-0-21swapper/019:39:000
29715030,0irq/26-eth0-rx-0-21swapper/320:58:593
29715030,0irq/26-eth0-rx-0-21swapper/320:34:003
29715030,0irq/26-eth0-rx-0-21swapper/320:19:583
29715030,0irq/26-eth0-rx-0-21swapper/320:09:213
29715030,0irq/26-eth0-rx-0-21swapper/320:04:003
29715030,0irq/26-eth0-rx-0-21swapper/319:21:103
29715030,0irq/26-eth0-rx-0-21swapper/319:18:203
218129933,0cyclictest18301-21awk19:49:042
218129932,0cyclictest3514-21snmpd20:58:512
218129932,0cyclictest31647-21basename20:24:002
218129932,0cyclictest12601-21awk20:09:052
218119932,0cyclictest3241-21irqbalance19:08:171
218119932,0cyclictest31630-21munin-node20:24:001
218119932,0cyclictest24888-21awk19:54:031
218119932,0cyclictest20423-21awk22:24:021
218119932,0cyclictest19274-21awk20:14:041
218119932,0cyclictest11620-21sensors20:29:081
218109933,0cyclictest3556-21lldpd20:29:150
218109932,0cyclictest3241-21irqbalance00:09:060
218109932,0cyclictest29580-21awk19:09:040
218109932,0cyclictest2955-21sensors19:34:100
218109932,0cyclictest28648-21sensors19:29:100
218109932,0cyclictest2317-21ssh23:14:000
218109932,0cyclictest2107-21awk23:54:030
218109932,0cyclictest17764-21basename23:43:590
218109932,0cyclictest15210-21kthreadcore19:44:070
218109932,0cyclictest13912-21grep23:19:050
218109931,0cyclictest14597-21kthreadcore23:39:060
218109930,0cyclictest0-21swapper/020:04:020
169930,0watchdog/10-21swapper/122:04:501
149930,0migration/032373-21sh00:33:250
329920,0watchdog/39942-21grep19:39:123
29715020,0irq/26-eth0-rx-0-21swapper/319:59:043
169920,0watchdog/10-21swapper/119:33:511
10665220,0sleep30-21swapper/319:43:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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