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2026-02-28 - 21:13
[ 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 #e, slot #4

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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot4s.osadl.org (updated Sat Feb 28, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2678187993633,2cyclictest2948023-21kworker/u8:0+events_unbound11:30:211
2678190993530,4cyclictest2952955-21latency_hist11:35:012
2678190993431,2cyclictest2948023-21kworker/u8:0+flush-259:011:50:212
2678187993329,3cyclictest2766342-21kworker/u8:2+flush-259:008:45:211
2678187993329,3cyclictest2766342-21kworker/u8:2+flush-259:008:45:201
2678187993327,4cyclictest2984590-21latency_hist12:05:011
2678187993229,2cyclictest2921218-21kworker/u8:3+events_unbound11:10:221
2678196993127,3cyclictest2812759-21gpgv09:20:003
2678196993024,4cyclictest2843962-21latency_hist09:50:013
2678190993026,3cyclictest2662871-21kworker/u8:2+flush-259:007:25:222
2678190992924,3cyclictest2947807-21gpgv11:30:012
2678187992923,4cyclictest2942653-21diskstats11:25:131
2678196992825,2cyclictest74-1kworker/3:1H+kblockd12:30:553
2678187992825,2cyclictest2662871-21kworker/u8:2+events_unbound08:00:131
2678183992826,1cyclictest3015157-21fwupd12:30:550
2678196992723,3cyclictest2941805-21apt-get11:25:003
2678187992724,2cyclictest2921218-21kworker/u8:3+flush-259:012:15:161
2678187992723,3cyclictest2828550-21kworker/u8:0+flush-259:009:40:121
2678187992723,3cyclictest2662871-21kworker/u8:2+flush-259:007:50:241
2678187992721,4cyclictest2683772-21/usr/sbin/munin07:15:141
2678183992721,5cyclictest2946542-21ntpq11:25:210
2678187992522,2cyclictest2719524-21kworker/u8:0+events_unbound08:20:151
2678187992521,3cyclictest2786427-21kworker/u8:0+events_unbound09:00:131
2678187992519,4cyclictest252-21systemd-journal08:09:271
2678183992519,4cyclictest252-21systemd-journal12:00:000
2678190992421,2cyclictest3758960-21kworker/u8:3+flush-259:009:30:212
2678187992422,1cyclictest2802120-21kworker/u8:2+events_unbound09:20:221
2678187992319,3cyclictest2786427-21kworker/u8:0+flush-259:008:55:161
2678187992318,3cyclictest2719524-21kworker/u8:0+events_unbound08:15:181
2678187992317,4cyclictest2744834-21ntpq08:10:191
2678183992317,4cyclictest2948023-21kworker/u8:0+flush-259:011:45:150
2678183992316,5cyclictest2906216-21diskstats10:50:170
2678187992219,2cyclictest2662871-21kworker/u8:2+flush-259:007:20:281
2678187992218,3cyclictest2849170-21kworker/u8:2+events_unbound10:10:261
2678187992218,3cyclictest2735021-21kworker/u8:1+events_unbound08:35:291
2678183992218,3cyclictest2662871-21kworker/u8:2+flush-259:008:00:160
2678196992118,2cyclictest2719524-21kworker/u8:0+flush-259:008:15:253
2678196992117,3cyclictest2849123-21latency_hist09:55:013
2678190992118,2cyclictest2921218-21kworker/u8:3+flush-259:011:05:232
2678190992117,3cyclictest2859688-21apt-get10:05:122
2678187992118,2cyclictest3758960-21kworker/u8:3+flush-259:009:05:241
2678187992117,3cyclictest3758960-21kworker/u8:3+flush-259:009:10:221
2678187992117,3cyclictest2921218-21kworker/u8:3+flush-259:012:10:211
2678187992117,3cyclictest2849170-21kworker/u8:2+events_unbound11:20:151
2678187992115,4cyclictest2864587-21kworker/u8:1+flush-259:010:20:101
2678187992114,5cyclictest2683541-21latency_hist07:15:011
2678187992114,5cyclictest252-21systemd-journal08:55:001
2678187992113,5cyclictest2935778-21ntpq11:15:221
2678187992113,5cyclictest2935778-21ntpq11:15:221
267818799210,14cyclictest2989738-21munin-run12:10:001
2678183992117,3cyclictest252-21systemd-journal07:24:460
2678196992017,2cyclictest2989728-21sh12:10:003
2678196992017,2cyclictest2766342-21kworker/u8:2+flush-259:008:50:203
2678190992014,4cyclictest2838824-21latency_hist09:45:012
2678187992017,2cyclictest2849170-21kworker/u8:2+flush-259:010:00:211
2678187992016,3cyclictest2849170-21kworker/u8:2+flush-259:010:45:351
2678187992016,3cyclictest2704071-21munin-plugin-st07:35:001
2678183992017,2cyclictest509-21rs:main0
2678183992016,3cyclictest2828550-21kworker/u8:0+flush-259:010:00:240
2678183992013,5cyclictest2941985-21cat11:25:000
2678196991916,2cyclictest2802120-21kworker/u8:2+flush-259:009:30:003
2678196991915,3cyclictest2802120-21kworker/u8:2+events_unbound09:20:183
2678196991913,4cyclictest2760251-21ntpq08:25:213
2678187991917,1cyclictest2719524-21kworker/u8:0+events_unbound08:25:231
2678187991916,2cyclictest2849170-21kworker/u8:2+events_unbound10:05:171
2678187991915,3cyclictest3758960-21kworker/u8:3+flush-259:007:45:001
2678183991913,5cyclictest2719497-21latency_hist07:50:000
2678196991815,2cyclictest2948023-21kworker/u8:0+flush-259:012:00:143
2678190991814,3cyclictest2979690-21/usr/sbin/munin12:00:122
2678190991814,3cyclictest2735021-21kworker/u8:1+flush-259:008:50:142
2678190991814,3cyclictest2662871-21kworker/u8:2+events_unbound07:30:222
2678190991813,3cyclictest2869963-21/usr/sbin/munin10:15:162
2678187991815,3cyclictest2948023-21kworker/u8:0+events_unbound12:30:261
2678187991815,2cyclictest2921218-21kworker/u8:3+events_unbound11:05:201
2678187991815,2cyclictest2849170-21kworker/u8:2+flush-259:009:55:141
2678187991815,2cyclictest2698955-21cron07:30:011
2678187991814,3cyclictest3758960-21kworker/u8:3+events_unbound09:35:171
2678187991814,3cyclictest2948023-21kworker/u8:0+flush-259:012:25:131
2678187991814,3cyclictest2735021-21kworker/u8:1+events_unbound08:30:121
2678187991814,3cyclictest2709215-21idleruntime-cro07:39:591
2678187991814,2cyclictest0-21swapper/111:40:001
2678187991813,3cyclictest2828550-21kworker/u8:0+events_unbound09:45:181
2678187991812,4cyclictest2818474-21apt-get09:25:121
2678183991813,4cyclictest2812632-21apt-get09:20:000
2678196991713,3cyclictest2974579-21apt-get11:55:103
2678196991713,3cyclictest2931458-21latency_hist11:15:003
2678196991713,3cyclictest2874890-21kworker/u8:3+events_unbound10:40:183
2678196991711,4cyclictest252-21systemd-journal07:46:273
2678190991715,1cyclictest0-21swapper/210:25:002
2678190991713,3cyclictest2948023-21kworker/u8:0+flush-259:011:55:162
2678190991713,3cyclictest2662871-21kworker/u8:2+flush-259:007:10:142
2678187991712,3cyclictest2714653-21apt-get07:45:111
2678183991714,2cyclictest60350irq/132-enp0s29f1:rx-009:10:100
2678183991714,2cyclictest60350irq/132-enp0s29f1:rx-008:40:110
2678183991714,2cyclictest60350irq/132-enp0s29f1:rx-008:40:100
2678183991713,3cyclictest2874890-21kworker/u8:3+flush-259:010:30:240
2678183991713,2cyclictest2838834-21turbostat09:45:000
2678183991712,4cyclictest2984854-21apt-get12:05:110
2678183991712,4cyclictest2714383-21latency_hist07:45:010
2678196991613,2cyclictest2828550-21kworker/u8:0+events_unbound09:35:213
2678196991613,2cyclictest2735021-21kworker/u8:1+events_unbound08:30:193
2678196991612,3cyclictest2828550-21kworker/u8:0+events_unbound10:05:213
2678196991611,4cyclictest2662871-21kworker/u8:2+flush-259:007:30:163
2678190991613,2cyclictest3758960-21kworker/u8:3+events_unbound07:35:232
2678190991613,2cyclictest2693794-21idleruntime-cro07:25:002
2678190991611,4cyclictest2792462-21diskstats09:00:112
2678187991613,2cyclictest2838850-21kworker/u8:1+flush-259:009:50:161
2678187991613,2cyclictest2735021-21kworker/u8:1+flush-259:008:40:211
2678187991613,2cyclictest2735021-21kworker/u8:1+flush-259:008:40:201
2678187991612,3cyclictest2921218-21kworker/u8:3+events_unbound11:40:141
2678187991611,3cyclictest2849170-21kworker/u8:2+flush-259:010:15:191
2678183991614,2cyclictest60350irq/132-enp0s29f1:rx-011:04:410
2678183991613,2cyclictest60350irq/132-enp0s29f1:rx-010:37:210
2678183991613,2cyclictest60350irq/132-enp0s29f1:rx-009:23:190
2678183991613,2cyclictest60350irq/132-enp0s29f1:rx-008:15:240
2678183991613,2cyclictest0-21swapper/009:54:590
2678183991612,3cyclictest3758960-21kworker/u8:3+flush-259:008:05:180
2678183991612,3cyclictest2969442-21apt-get11:50:110
2678183991612,2cyclictest2786886-21turbostat08:55:000
2678183991611,4cyclictest2776843-21apt-get08:45:120
2678183991611,4cyclictest2776843-21apt-get08:45:120
2678183991610,5cyclictest252-21systemd-journal12:30:000
2678183991610,4cyclictest509-21rs:main0
2678196991513,1cyclictest2948477-21irqcore11:30:163
2678196991512,2cyclictest2849170-21kworker/u8:2+flush-259:010:10:203
2678196991511,2cyclictest3758960-21kworker/u8:3+flush-259:007:55:173
2678196991510,4cyclictest2920285-21ntpq11:00:203
2678190991513,1cyclictest0-21swapper/209:00:002
2678190991513,1cyclictest0-21swapper/207:54:592
2678190991512,2cyclictest2895505-21kworker/u8:1+flush-259:010:50:282
2678190991511,3cyclictest2948023-21kworker/u8:0+events_unbound12:30:542
2678190991511,3cyclictest2828550-21kworker/u8:0+flush-259:009:45:242
2678190991511,3cyclictest2802120-21kworker/u8:2+flush-259:009:15:262
2678190991511,3cyclictest2719524-21kworker/u8:0+flush-259:008:15:162
2678187991513,2cyclictest3758960-21kworker/u8:3+flush-259:009:30:261
2678187991513,1cyclictest2970462-21kthreadcore11:50:171
2678187991512,2cyclictest2968248-21ntp_kernel_err11:45:191
2678187991512,2cyclictest0-21swapper/111:05:001
2678187991511,3cyclictest2895505-21kworker/u8:1+events_unbound10:56:271
2678187991511,3cyclictest2874890-21kworker/u8:3+events_unbound10:30:211
2678187991510,3cyclictest3000294-21/usr/sbin/munin12:20:221
2678187991510,3cyclictest2874890-21kworker/u8:3+flush-259:010:40:181
267818399159,4cyclictest2947990-21cat11:30:010
2678183991514,1cyclictest60350irq/132-enp0s29f1:rx-007:26:080
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-010:45:560
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-010:17:200
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-010:05:130
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-009:35:110
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-009:25:150
2678183991513,1cyclictest60350irq/132-enp0s29f1:rx-008:30:240
2678183991512,2cyclictest60350irq/132-enp0s29f1:rx-012:04:180
2678183991512,2cyclictest60350irq/132-enp0s29f1:rx-009:46:070
2678183991512,2cyclictest60350irq/132-enp0s29f1:rx-008:25:210
2678183991512,2cyclictest2683543-21turbostat07:15:010
2678183991511,3cyclictest2921218-21kworker/u8:3+flush-259:012:10:200
267819699148,4cyclictest252-21systemd-journal10:55:003
2678196991411,2cyclictest3758960-21kworker/u8:3+flush-259:009:10:153
2678196991411,2cyclictest2796354-21ntp_offset09:00:203
2678196991410,3cyclictest3015773-21apt-get12:35:093
2678196991410,2cyclictest0-21swapper/307:39:593
2678190991411,2cyclictest2992287-21kthreadcore12:10:162
2678190991411,2cyclictest2966587-21kthreadcore11:45:172
2678190991411,2cyclictest2849170-21kworker/u8:2+flush-259:010:25:182
2678190991411,1cyclictest0-21swapper/208:25:002
2678187991410,3cyclictest2849170-21kworker/u8:2+events_unbound10:25:171
2678183991413,1cyclictest60350irq/132-enp0s29f1:rx-011:36:470
2678183991413,1cyclictest60350irq/132-enp0s29f1:rx-009:06:130
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-012:20:140
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-011:05:180
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-010:58:580
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-010:20:230
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-010:12:140
2678183991412,1cyclictest60350irq/132-enp0s29f1:rx-009:55:230
2678183991411,2cyclictest60350irq/132-enp0s29f1:rx-012:15:170
2678183991411,2cyclictest60350irq/132-enp0s29f1:rx-011:15:170
2678183991411,2cyclictest60350irq/132-enp0s29f1:rx-011:15:170
2678183991411,2cyclictest60350irq/132-enp0s29f1:rx-007:55:110
2678183991411,2cyclictest60350irq/132-enp0s29f1:rx-007:15:220
2678183991411,2cyclictest2824078-21irqcore09:30:160
2678183991411,2cyclictest2735021-21kworker/u8:1+flush-259:008:35:170
2678196991311,1cyclictest2776909-21cpuspeed_turbos08:45:133
2678196991311,1cyclictest2776909-21cpuspeed_turbos08:45:133
2678196991310,2cyclictest2905322-21unixbench_multi10:45:243
2678196991310,2cyclictest2864587-21kworker/u8:1+events_unbound10:25:253
2678196991310,2cyclictest2786427-21kworker/u8:0+events_unbound09:05:233
2678196991310,2cyclictest2766633-21cpuspeed_turbos08:35:133
2678196991310,2cyclictest2683055-21unixbench_multi07:10:223
267819099139,3cyclictest2989740-21munin-plugin-st12:10:002
267819099139,3cyclictest2854250-21cron10:00:002
2678190991311,1cyclictest0-21swapper/211:35:172
2678190991310,2cyclictest3758960-21kworker/u8:3+flush-259:009:25:232
2678190991310,2cyclictest2734584-21unixbench_singl08:00:252
2678187991310,2cyclictest2948023-21kworker/u8:0+flush-259:012:36:331
2678183991311,1cyclictest60350irq/132-enp0s29f1:rx-010:41:470
2678183991311,1cyclictest60350irq/132-enp0s29f1:rx-007:38:280
2678183991310,2cyclictest60350irq/132-enp0s29f1:rx-008:55:210
2678183991310,2cyclictest60350irq/132-enp0s29f1:rx-007:30:220
267819699129,2cyclictest2948023-21kworker/u8:0+events_unbound12:20:173
267819699129,2cyclictest2946887-21unixbench_multi11:25:233
267819699129,2cyclictest2662871-21kworker/u8:2+flush-259:007:15:163
267819699129,2cyclictest2662871-21kworker/u8:2+events_unbound08:00:243
267819699128,3cyclictest2948023-21kworker/u8:0+flush-259:011:50:163
267819099129,2cyclictest2921218-21kworker/u8:3+flush-259:011:10:232
267819099129,2cyclictest2849170-21kworker/u8:2+events_unbound10:00:212
267819099129,2cyclictest2797507-21cpuspeed_turbos09:05:132
267819099129,2cyclictest2756489-21fschecks_count08:25:152
267819099128,3cyclictest0-21swapper/207:45:002
2678190991210,1cyclictest0-21swapper/211:20:222
267818399129,2cyclictest60350irq/132-enp0s29f1:rx-012:35:120
267818399129,2cyclictest60350irq/132-enp0s29f1:rx-011:10:150
2678183991210,1cyclictest60350irq/132-enp0s29f1:rx-009:00:140
2678183991210,1cyclictest60350irq/132-enp0s29f1:rx-008:20:160
267819699119,1cyclictest0-21swapper/309:40:133
267819699118,2cyclictest2864587-21kworker/u8:1+events_unbound10:20:203
267819699118,2cyclictest2766342-21kworker/u8:2+flush-259:008:40:123
267819699118,2cyclictest2766342-21kworker/u8:2+flush-259:008:40:113
267819699118,2cyclictest2694312-21fschecks_time07:25:133
267819699117,3cyclictest2713977-21unixbench_singl07:40:263
267819699117,3cyclictest1-21systemd07:23:263
267819699115,4cyclictest3000057-21awk12:20:003
267819099119,1cyclictest0-21swapper/212:15:172
267819099119,1cyclictest0-21swapper/211:00:002
267819099118,2cyclictest0-21swapper/209:25:002
267819099117,3cyclictest3758960-21kworker/u8:3+flush-259:007:55:122
267819099117,3cyclictest2948023-21kworker/u8:0+flush-259:012:20:192
267819099117,3cyclictest2885429-21apt-get10:30:102
267819099117,3cyclictest2874890-21kworker/u8:3+flush-259:010:40:542
267818799118,2cyclictest2948023-21kworker/u8:0+events_unbound11:55:171
267818799111,8cyclictest2729827-21latency_hist08:00:001
2678183991110,1cyclictest60350irq/132-enp0s29f1:rx-007:52:480
267819699108,1cyclictest2873899-21needreboot10:15:213
267819699108,1cyclictest0-21swapper/309:30:193
267819699106,3cyclictest2921218-21kworker/u8:3+flush-259:011:05:033
267819099107,2cyclictest0-21swapper/209:10:182
267819099106,3cyclictest2916569-21tune2fs11:00:142
267819099105,4cyclictest2936759-21cat11:20:002
267819099105,4cyclictest2936759-21cat11:20:002
26781969997,1cyclictest0-21swapper/310:00:183
26781909996,2cyclictest3758960-21kworker/u8:3+flush-259:008:05:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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