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2026-01-28 - 13:15
[ 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 #4, slot #1

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.

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 376 highest latencies:
System rack4slot1s.osadl.org (updated Wed Jan 28, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2895721320,3chrt0-21swapper/220:20:582
2824621090,3chrt0-21swapper/223:11:042
2824621090,3chrt0-21swapper/223:11:042
1683021080,3sleep20-21swapper/219:46:092
1683021080,3sleep20-21swapper/219:46:092
2662521060,1chrt0-21swapper/023:06:070
2662521060,1chrt0-21swapper/023:06:070
3063121020,6sleep030626-21grep21:51:010
3063121020,6sleep030626-21grep21:51:010
274252960,4sleep20-21swapper/223:10:512
274252960,4sleep20-21swapper/223:10:512
232622930,3sleep20-21swapper/220:05:592
249692860,3sleep20-21swapper/200:30:522
249692860,3sleep20-21swapper/200:30:522
191032790,3sleep20-21swapper/222:46:072
255152770,3chrt0-21swapper/323:05:503
255152770,3chrt0-21swapper/323:05:503
162372640,2chrt0-21swapper/000:06:010
9522630,2sleep20-21swapper/223:25:552
90932610,2sleep10-21swapper/122:20:571
90932610,2sleep10-21swapper/122:20:571
227182590,2sleep30-21swapper/322:56:053
227182590,2sleep30-21swapper/322:56:053
227182590,2sleep30-21swapper/322:56:053
140662590,2sleep20-21swapper/200:00:572
140662590,2sleep20-21swapper/200:00:572
140662590,2sleep20-21swapper/200:00:572
160562550,4sleep20-21swapper/222:40:442
160562550,4sleep20-21swapper/222:40:442
73262540,3sleep30-21swapper/320:50:463
73262540,3sleep30-21swapper/320:50:463
195112530,2sleep019544-21awk21:21:030
195112530,2sleep019544-21awk21:21:030
196462500,3sleep20-21swapper/221:21:052
196462500,3sleep20-21swapper/221:21:052
2633994840,3cyclictest0-21swapper/100:00:501
2633994840,3cyclictest0-21swapper/100:00:501
2633994840,3cyclictest0-21swapper/100:00:501
167262480,3sleep30-21swapper/300:06:083
84052470,2chrt0-21swapper/119:25:581
84052470,2chrt0-21swapper/119:25:581
38352450,5sleep03840-21sed23:31:080
38352450,5sleep03840-21sed23:31:080
2630994233,6cyclictest572-21cups-browsed00:11:080
2630994233,6cyclictest572-21cups-browsed00:11:080
2630994216,5cyclictest201rcuc/021:03:380
2630994216,5cyclictest201rcuc/021:03:380
314252410,2chrt0-21swapper/320:26:063
314252410,2chrt0-21swapper/320:26:063
263599412,24cyclictest13710-21chrt00:00:493
263599412,24cyclictest13710-21chrt00:00:493
263599412,24cyclictest13710-21chrt00:00:493
2630994137,2cyclictest0-21swapper/000:01:070
2630994137,2cyclictest0-21swapper/000:01:070
54142400,3sleep20-21swapper/223:36:042
54142400,3sleep20-21swapper/223:36:042
54142400,3sleep20-21swapper/223:36:042
2630993918,5cyclictest201rcuc/022:08:090
2630993912,5cyclictest201rcuc/000:17:370
2630993912,5cyclictest201rcuc/000:17:370
293112380,2sleep129314-21tail20:21:021
143662380,3sleep20-21swapper/219:41:022
143662380,3sleep20-21swapper/219:41:022
127182380,3sleep012555-21/usr/sbin/munin22:30:580
127182380,3sleep012555-21/usr/sbin/munin22:30:580
2630993713,5cyclictest201rcuc/020:26:310
2630993713,5cyclictest201rcuc/020:26:310
2630993712,6cyclictest201rcuc/020:32:030
2630993711,6cyclictest171ktimers/020:40:310
2630993711,6cyclictest171ktimers/020:40:310
263399362,27cyclictest14550-21/usr/sbin/munin00:01:021
263399362,27cyclictest14550-21/usr/sbin/munin00:01:021
2630993628,6cyclictest23194-21netstat21:31:020
195452360,2sleep10-21swapper/121:21:041
195452360,2sleep10-21swapper/121:21:041
87362350,3sleep30-21swapper/320:51:063
56622350,3sleep30-21swapper/322:10:583
56622350,3sleep30-21swapper/322:10:583
319212350,2sleep20-21swapper/223:21:012
319212350,2sleep20-21swapper/223:21:012
2630993528,5cyclictest13664-21systemd00:00:460
2630993528,5cyclictest13664-21systemd00:00:460
2630993528,5cyclictest13664-21systemd00:00:460
24542350,1sleep30-21swapper/322:01:093
24542350,1sleep30-21swapper/322:01:093
2633993426,6cyclictest2362-21kernelversion20:35:581
2633993426,6cyclictest2362-21kernelversion20:35:581
2630993427,5cyclictest23537-21sendmail23:00:440
2630993427,5cyclictest23537-21sendmail23:00:440
2630993427,5cyclictest23537-21sendmail23:00:440
2630993426,6cyclictest171ktimers/019:23:410
2630993426,6cyclictest171ktimers/019:23:410
2630993411,6cyclictest201rcuc/023:53:390
2630993411,6cyclictest201rcuc/023:53:390
2630993411,5cyclictest201rcuc/021:13:530
2630993411,5cyclictest201rcuc/021:13:530
258062340,3sleep30-21swapper/300:31:053
258062340,3sleep30-21swapper/300:31:053
172622340,2sleep017349-21cut21:16:010
172622340,2sleep017349-21cut21:16:010
172622340,2sleep017349-21cut21:16:010
2633993325,6cyclictest550-21cron00:15:451
2633993325,6cyclictest550-21cron00:15:451
2633993324,7cyclictest12824-21threads19:36:061
2633993324,7cyclictest12824-21threads19:36:061
263099337,4cyclictest171ktimers/021:40:540
263099337,4cyclictest171ktimers/021:40:540
263099337,4cyclictest171ktimers/021:40:540
2630993326,5cyclictest749-21runrttasks23:46:000
2633993227,3cyclictest90-1pr/ttyS019:55:411
2633993227,3cyclictest90-1pr/ttyS019:55:411
2633993227,3cyclictest90-1pr/ttyS019:55:411
2630993224,6cyclictest19937-21latency_hist22:50:510
2630993224,6cyclictest171ktimers/020:01:330
2630993224,6cyclictest171ktimers/020:01:330
2630993218,4cyclictest90-1pr/ttyS023:39:070
2630993218,4cyclictest90-1pr/ttyS023:39:070
2630993218,4cyclictest90-1pr/ttyS023:39:070
229392320,3sleep30-21swapper/321:30:593
218662320,3sleep30-21swapper/300:21:003
218662320,3sleep30-21swapper/300:21:003
152622320,2sleep015344-21mailstats22:36:050
152622320,2sleep015344-21mailstats22:36:050
2633993124,5cyclictest25421-21latency_hist23:05:451
2633993124,5cyclictest25421-21latency_hist23:05:451
263099319,20cyclictest201rcuc/022:41:360
263099319,20cyclictest201rcuc/022:41:360
2630993117,3cyclictest90-1pr/ttyS020:45:080
2630993117,3cyclictest90-1pr/ttyS020:45:080
2630993117,3cyclictest90-1pr/ttyS000:28:080
2630993117,3cyclictest90-1pr/ttyS000:28:080
246392310,7sleep024642-21sendmail_mailqu23:01:040
246392310,7sleep024642-21sendmail_mailqu23:01:040
263099303,14cyclictest16-21ksoftirqd/019:48:390
263099303,14cyclictest16-21ksoftirqd/019:48:390
2630993024,3cyclictest0-21swapper/019:30:590
2630993024,3cyclictest0-21swapper/019:30:590
2630993023,5cyclictest7375-21threads23:41:050
2630993023,5cyclictest7375-21threads23:41:050
2630993023,5cyclictest171ktimers/022:55:140
2630993023,5cyclictest171ktimers/022:55:140
263099301,4cyclictest700-21192.168.115.40-manager19:54:250
263099301,4cyclictest700-21192.168.115.40-manager19:54:250
263099301,4cyclictest700-21192.168.115.40-manager19:54:250
89412290,3sleep30-21swapper/323:46:063
272492290,2sleep127408-21unixbench_multi21:41:061
2633992924,3cyclictest11599-21idleruntime-cro19:35:441
2633992924,3cyclictest11599-21idleruntime-cro19:35:441
2633992921,6cyclictest8383-21fschecks_count23:46:001
2630992923,5cyclictest6633-21threads20:46:060
2630992923,5cyclictest6633-21threads20:46:060
2630992922,5cyclictest13905-21fschecks_time19:40:580
2630992922,5cyclictest13905-21fschecks_time19:40:580
2630992921,6cyclictest9174-21latency_hist20:55:460
2630992915,4cyclictest90-1pr/ttyS019:39:080
2630992915,4cyclictest90-1pr/ttyS019:39:080
2633992822,5cyclictest1544-21fschecks_time22:01:001
2633992822,5cyclictest1544-21fschecks_time22:01:001
2633992822,3cyclictest0-21swapper/123:45:441
2633992822,3cyclictest0-21swapper/123:45:441
2633992821,5cyclictest6297-21needreboot20:46:021
2633992821,5cyclictest6297-21needreboot20:46:021
2633992821,5cyclictest5448-21latency_hist20:45:461
2633992821,5cyclictest5448-21latency_hist20:45:461
2633992820,6cyclictest17086-21fschecks_time21:15:591
2633992820,6cyclictest17086-21fschecks_time21:15:591
2633992820,6cyclictest17086-21fschecks_time21:15:591
263099284,4cyclictest181rcu_preempt21:47:390
263099284,4cyclictest181rcu_preempt21:47:390
2630992824,2cyclictest0-21swapper/020:25:450
2630992819,7cyclictest28357-21gunzip23:11:050
2630992819,7cyclictest28357-21gunzip23:11:050
2630992813,4cyclictest90-1pr/ttyS020:59:070
2630992813,4cyclictest90-1pr/ttyS020:59:070
2633992723,2cyclictest0-21swapper/100:16:071
2633992723,2cyclictest0-21swapper/100:16:071
2633992722,4cyclictest6361-21fschecks_count19:20:561
2633992722,4cyclictest6361-21fschecks_count19:20:561
2633992722,3cyclictest8609-21latency_hist22:20:441
2633992722,3cyclictest8609-21latency_hist22:20:441
2633992722,3cyclictest2618-21cyclictest22:33:191
2633992722,3cyclictest2618-21cyclictest22:33:191
2633992721,4cyclictest22860-21cut21:30:581
2633992720,5cyclictest16706-21unixbench-2d19:46:081
2633992720,5cyclictest16706-21unixbench-2d19:46:081
2633992719,6cyclictest30325-21head21:50:571
2633992719,6cyclictest30325-21head21:50:571
2633992719,6cyclictest26225-21sort21:40:541
2633992719,6cyclictest26225-21sort21:40:541
2633992719,6cyclictest26225-21sort21:40:541
2633992719,6cyclictest15849-21fschecks_count00:05:581
263099276,5cyclictest171ktimers/019:26:290
263099276,5cyclictest171ktimers/019:26:290
263099273,3cyclictest171ktimers/020:15:000
263099272,5cyclictest171ktimers/020:07:530
2630992722,3cyclictest0-21swapper/022:13:480
2630992722,3cyclictest0-21swapper/022:13:480
2630992721,5cyclictest25542-21kernelversion00:31:000
2630992721,5cyclictest25542-21kernelversion00:31:000
2630992719,3cyclictest181rcu_preempt22:29:070
2630992719,3cyclictest181rcu_preempt22:29:070
2630992713,3cyclictest181rcu_preempt20:15:580
2630992713,3cyclictest181rcu_preempt20:15:580
2633992621,4cyclictest23343-21gltestperf20:05:591
2633992620,5cyclictest6145-21latency_hist23:40:441
2633992620,5cyclictest6145-21latency_hist23:40:441
2633992620,5cyclictest6145-21latency_hist23:40:441
2633992620,4cyclictest28381-21grep21:45:591
2633992620,4cyclictest28381-21grep21:45:591
2633992618,6cyclictest21183-21cat21:25:591
2633992618,6cyclictest21183-21cat21:25:591
263099266,4cyclictest201rcuc/022:20:040
263099266,4cyclictest201rcuc/022:20:040
263099266,4cyclictest171ktimers/022:03:510
263099266,4cyclictest171ktimers/022:03:510
263099262,4cyclictest171ktimers/021:43:490
2630992622,2cyclictest0-21swapper/020:00:440
2630992622,2cyclictest0-21swapper/020:00:440
2630992622,2cyclictest0-21swapper/020:00:440
2630992619,5cyclictest1229-21kernelversion23:25:570
2630992619,5cyclictest1185-21latency_hist22:00:480
2630992619,5cyclictest1185-21latency_hist22:00:480
2630992619,5cyclictest1185-21latency_hist22:00:480
263099261,4cyclictest181rcu_preempt00:38:160
263099261,4cyclictest181rcu_preempt00:38:160
2633992521,2cyclictest0-21swapper/122:10:451
2633992520,3cyclictest0-21swapper/123:30:581
2633992520,3cyclictest0-21swapper/123:30:581
2633992520,3cyclictest0-21swapper/121:55:551
2633992520,3cyclictest0-21swapper/121:55:551
2633992520,3cyclictest0-21swapper/121:55:551
2633992519,4cyclictest32254-21kworker/u9:2-xprtiod22:50:441
2633992519,4cyclictest28776-21latency_hist00:40:551
2633992519,4cyclictest28776-21latency_hist00:40:551
2633992518,5cyclictest28154-21needreboot23:11:021
2633992518,5cyclictest28154-21needreboot23:11:021
2633992516,7cyclictest23860-21needreboot00:26:001
2633992516,7cyclictest23860-21needreboot00:26:001
2633992516,7cyclictest21847-21needreboot20:01:031
2633992516,7cyclictest21847-21needreboot20:01:031
2630992521,3cyclictest2618-21cyclictest23:20:570
2630992520,4cyclictest1-21systemd21:06:030
2630992520,4cyclictest1-21systemd21:06:030
2630992520,3cyclictest0-21swapper/000:21:050
2630992520,3cyclictest0-21swapper/000:21:050
2634992417,4cyclictest149742chrt21:10:552
2634992417,4cyclictest149742chrt21:10:552
2633992419,4cyclictest9615-21fschecks_time20:55:581
2633992419,4cyclictest9615-21fschecks_time20:55:581
2633992419,3cyclictest16504-21fschecks_time22:40:561
2633992419,3cyclictest16504-21fschecks_time22:40:561
2633992418,4cyclictest90-1pr/ttyS023:15:541
2633992418,4cyclictest90-1pr/ttyS023:15:541
2633992418,3cyclictest0-21swapper/120:51:051
2633992417,5cyclictest550-21cron22:55:551
2633992417,5cyclictest550-21cron22:55:551
2633992417,5cyclictest550-21cron22:55:551
2633992417,5cyclictest1-21systemd19:41:071
2633992417,5cyclictest1-21systemd19:41:071
2633992417,5cyclictest0-21swapper/122:26:071
2633992417,5cyclictest0-21swapper/122:26:071
2633992410,11cyclictest142-21systemd-journal21:11:321
2633992410,11cyclictest142-21systemd-journal21:11:321
2630992420,2cyclictest0-21swapper/022:20:570
2630992420,2cyclictest0-21swapper/022:20:570
2630992419,3cyclictest201rcuc/023:16:080
2630992419,3cyclictest171ktimers/023:20:580
2630992419,3cyclictest171ktimers/023:20:580
2630992417,2cyclictest181rcu_preempt21:26:040
2630992417,2cyclictest181rcu_preempt21:26:040
263599231,11cyclictest0-21swapper/320:01:083
263599231,11cyclictest0-21swapper/320:01:083
2633992319,2cyclictest0-21swapper/123:06:081
2633992319,2cyclictest0-21swapper/123:06:081
2633992318,3cyclictest22560-21head00:21:071
2633992318,3cyclictest22560-21head00:21:071
2633992318,3cyclictest0-21swapper/123:25:441
2633992318,3cyclictest0-21swapper/123:25:441
2633992317,4cyclictest0-21swapper/120:15:571
2633992317,4cyclictest0-21swapper/120:15:571
2633992316,4cyclictest271rcuc/123:55:351
2633992316,4cyclictest271rcuc/123:55:351
105202230,3sleep30-21swapper/322:25:463
105202230,3sleep30-21swapper/322:25:463
2633992218,3cyclictest25102-21grep20:10:581
2633992218,2cyclictest0-21swapper/122:36:051
2633992218,2cyclictest0-21swapper/122:36:051
2633992217,3cyclictest0-21swapper/121:05:581
2633992217,3cyclictest0-21swapper/121:05:581
2633992217,3cyclictest0-21swapper/121:01:081
2633992217,3cyclictest0-21swapper/121:01:081
2633992217,3cyclictest0-21swapper/119:56:061
2633992217,3cyclictest0-21swapper/119:56:061
2633992217,3cyclictest0-21swapper/119:56:061
10742220,1sleep11076-21cat20:31:061
2633992116,3cyclictest868-21fschecks_count23:25:551
2633992116,3cyclictest0-21swapper/120:25:581
2633992116,3cyclictest0-21swapper/120:25:581
2633992115,5cyclictest5807-21ntp_offset22:11:011
2633992115,5cyclictest5807-21ntp_offset22:11:011
2633992115,4cyclictest0-21swapper/122:50:571
2633992115,4cyclictest0-21swapper/122:50:571
2633992113,6cyclictest25918-21sendmail_mailqu00:31:061
2633992113,6cyclictest25918-21sendmail_mailqu00:31:061
263599201,12cyclictest29101-21chrt20:20:593
36462190,4sleep30-21swapper/323:31:073
36462190,4sleep30-21swapper/323:31:073
263599189,5cyclictest274232sleep300:35:593
263599189,5cyclictest274232sleep300:35:593
263599183,8cyclictest0-21swapper/322:52:073
263599183,8cyclictest0-21swapper/322:52:073
263599181,9cyclictest0-21swapper/319:47:073
263599181,9cyclictest0-21swapper/319:47:073
263599181,13cyclictest17701-21chrt19:50:563
263599181,13cyclictest17701-21chrt19:50:563
263599181,13cyclictest17701-21chrt19:50:563
263599181,12cyclictest12522-21taskset22:30:523
263599181,12cyclictest12522-21taskset22:30:523
2634991813,3cyclictest67802sleep220:46:072
2634991813,3cyclictest67802sleep220:46:072
263499181,13cyclictest19658-21chrt19:55:582
263499181,13cyclictest19658-21chrt19:55:582
263499181,13cyclictest19658-21chrt19:55:582
126582180,3sleep30-21swapper/322:30:563
126582180,3sleep30-21swapper/322:30:563
263599174,8cyclictest0-21swapper/300:01:073
263599174,8cyclictest0-21swapper/300:01:073
263599171,12cyclictest19391-21chrt00:15:533
263599171,12cyclictest19391-21chrt00:15:533
263499173,11cyclictest0-21swapper/220:16:072
263499173,11cyclictest0-21swapper/220:16:072
263499171,13cyclictest18040-21chrt19:50:592
263499171,13cyclictest18040-21chrt19:50:592
263499171,13cyclictest18040-21chrt19:50:592
263599163,9cyclictest0-21swapper/300:27:083
263599163,9cyclictest0-21swapper/300:27:083
263599162,11cyclictest0-21swapper/323:50:593
263599162,11cyclictest0-21swapper/323:50:593
263599162,10cyclictest20032-21chrt19:56:033
263599162,10cyclictest20032-21chrt19:56:033
263599162,10cyclictest20032-21chrt19:56:033
263599162,10cyclictest0-21swapper/321:35:583
263599162,10cyclictest0-21swapper/321:35:583
263599162,10cyclictest0-21swapper/321:35:583
263599161,11cyclictest0-21swapper/322:05:573
263599161,11cyclictest0-21swapper/319:35:573
263599161,11cyclictest0-21swapper/319:35:573
263599161,11cyclictest0-21swapper/319:30:593
263599161,11cyclictest0-21swapper/319:30:593
263599161,10cyclictest9951-21chrt20:56:013
263599161,10cyclictest9951-21chrt20:56:013
263599161,10cyclictest21406-21chrt00:20:563
263599161,10cyclictest21406-21chrt00:20:563
263599161,10cyclictest0-21swapper/322:35:563
263599161,10cyclictest0-21swapper/322:35:563
2635991610,3cyclictest50902chrt20:41:503
2635991610,3cyclictest50902chrt20:41:503
263599160,11cyclictest21556-21taskset21:26:043
263599160,11cyclictest21556-21taskset21:26:043
263499163,9cyclictest0-21swapper/219:27:072
263499163,9cyclictest0-21swapper/219:27:072
263499163,9cyclictest0-21swapper/200:25:072
263499163,9cyclictest0-21swapper/200:25:072
263499163,9cyclictest0-21swapper/200:12:082
263499163,9cyclictest0-21swapper/200:12:082
263499162,11cyclictest4425-21chrt23:35:522
263499162,11cyclictest4425-21chrt23:35:522
2634991611,3cyclictest46342chrt20:41:042
2634991611,3cyclictest46342chrt20:41:042
263499161,12cyclictest26149-21taskset00:31:082
263499161,12cyclictest26149-21taskset00:31:082
263499161,11cyclictest3981-21chrt20:40:562
263499161,10cyclictest17558-21chrt00:10:542
4542150,3sleep20-21swapper/221:56:062
4542150,3sleep20-21swapper/221:56:062
4542150,3sleep20-21swapper/221:56:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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