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2026-01-22 - 15:50
[ 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 all highest latencies:
System rackeslot4s.osadl.org (updated Thu Jan 22, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1847079994843,4cyclictest1804240-21kworker/u8:2+events_unbound19:30:523
1847069994744,2cyclictest75-21kswapd020:50:030
1847069994741,4cyclictest252-21systemd-journal22:35:000
1847079994437,2cyclictest2050655-21kworker/u8:1+flush-259:022:45:213
1847075994238,3cyclictest75-21kswapd019:30:542
1847069994234,5cyclictest2014428-21latency_hist21:50:010
1847079994137,3cyclictest2050655-21kworker/u8:1+flush-259:022:35:213
1847079993835,2cyclictest75-21kswapd021:05:023
1847073993832,4cyclictest2097910-21/usr/sbin/munin23:10:141
1847069993831,5cyclictest1883680-21latency_hist19:45:010
1847069993831,5cyclictest1847293-21apt-get19:10:120
1847079993532,2cyclictest2098718-21kworker/u8:2+flush-259:000:05:163
1847073993532,2cyclictest1804240-21kworker/u8:2+flush-259:019:20:251
1847069993528,5cyclictest2003233-21latency_hist21:40:010
1847073993428,4cyclictest2133731-21latency_hist23:45:011
1847079993329,3cyclictest2149886-21kworker/u8:4+events_unbound00:20:133
1847073993326,5cyclictest2003334-21cp21:40:011
1847079993229,2cyclictest2092244-21kworker/u8:3+flush-259:023:15:233
1847079993127,3cyclictest1831697-21kworker/u8:0+events_unbound19:25:183
1847073993124,5cyclictest1913764-21ntpq20:10:221
1847079993026,3cyclictest1831697-21kworker/u8:0+flush-259:020:00:153
1847079993025,3cyclictest2098718-21kworker/u8:2+events_unbound23:40:203
1847075993026,3cyclictest1894250-21/usr/sbin/munin19:55:152
1847073993026,3cyclictest2092244-21kworker/u8:3+flush-259:023:25:231
1847069993026,2cyclictest1-21systemd19:22:310
1847079992926,2cyclictest2056047-21kworker/u8:0+flush-259:023:00:213
1847079992926,2cyclictest1804240-21kworker/u8:2+flush-259:019:15:223
1847079992925,3cyclictest2149193-21apt-get00:00:023
1847079992925,3cyclictest2098718-21kworker/u8:2+flush-259:023:30:213
1847079992825,2cyclictest1925188-21kworker/u8:3+flush-259:020:50:183
1847073992825,2cyclictest2066347-21kworker/u8:3+events_unbound22:50:001
1847073992824,3cyclictest2149851-21kworker/u8:0+flush-259:000:15:161
1847073992824,3cyclictest1950951-21gpgv20:50:011
1847073992823,3cyclictest2013534-21ntpq21:45:211
1847079992724,2cyclictest1914640-21kworker/u8:2+events_unbound20:45:153
1847079992723,3cyclictest1804240-21kworker/u8:2+events_unbound19:25:003
1847075992722,4cyclictest1914640-21kworker/u8:2+flush-259:021:00:262
1847073992723,3cyclictest2149886-21kworker/u8:4+flush-259:000:40:001
1847073992722,4cyclictest252-21systemd-journal23:23:311
184706999270,25cyclictest1-21systemd00:05:010
1847079992623,2cyclictest2056047-21kworker/u8:0+flush-259:022:40:213
1847079992623,2cyclictest1831697-21kworker/u8:0+events_unbound20:10:173
1847079992622,3cyclictest2029884-21kworker/u8:0+flush-259:022:05:183
1847069992624,1cyclictest3443334-21kworker/0:0+pm19:30:520
1847069992621,3cyclictest252-21systemd-journal20:26:090
184706999260,24cyclictest1-21systemd20:13:300
1847079992523,1cyclictest1925188-21kworker/u8:3+flush-259:020:40:163
1847079992523,1cyclictest1925188-21kworker/u8:3+flush-259:020:40:153
1847079992522,2cyclictest2050655-21kworker/u8:1+events_unbound22:50:143
1847079992522,2cyclictest1831697-21kworker/u8:0+events_unbound19:50:143
1847079992521,3cyclictest1914640-21kworker/u8:2+flush-259:022:00:233
1847079992520,3cyclictest1831697-21kworker/u8:0+events_unbound20:05:173
1847079992519,4cyclictest1930160-21latency_hist20:30:013
1847079992519,2cyclictest1925188-21kworker/u8:3+flush-259:021:30:243
1847073992521,3cyclictest2149851-21kworker/u8:0+flush-259:000:05:251
1847073992520,3cyclictest1914640-21kworker/u8:2+flush-259:021:45:001
1847069992520,3cyclictest252-21systemd-journal22:51:290
1847079992421,2cyclictest1804240-21kworker/u8:2+flush-259:019:10:153
1847079992417,5cyclictest252-21systemd-journal19:57:303
1847075992418,4cyclictest2040535-21latency_hist22:14:592
1847073992421,2cyclictest2149851-21kworker/u8:0+flush-259:000:00:221
1847069992420,3cyclictest1925188-21kworker/u8:3+flush-259:021:25:010
1847069992418,4cyclictest252-21systemd-journal20:24:590
1847079992320,2cyclictest2149886-21kworker/u8:4+events_unbound00:15:013
1847079992319,3cyclictest1925188-21kworker/u8:3+flush-259:020:30:153
1847079992319,3cyclictest1914640-21kworker/u8:2+flush-259:020:35:243
1847079992318,4cyclictest2149886-21kworker/u8:4+events_unbound00:25:073
1847079992318,3cyclictest507-21in:imuxsock21:15:013
1847073992319,3cyclictest1935617-21apt-get20:35:111
1847073992316,5cyclictest2143098-21ntpq23:50:191
1847069992319,3cyclictest2092244-21kworker/u8:3+flush-259:023:45:000
1847069992317,4cyclictest2190941-21latency_hist00:40:000
1847069992316,5cyclictest2144028-21latency_hist23:55:010
1847079992219,2cyclictest2149851-21kworker/u8:0+flush-259:000:35:263
1847079992219,2cyclictest2050655-21kworker/u8:1+events_unbound22:25:103
1847079992219,2cyclictest1914640-21kworker/u8:2+flush-259:021:15:233
1847079992218,3cyclictest2050655-21kworker/u8:1+flush-259:022:30:113
1847075992218,3cyclictest1925188-21kworker/u8:3+flush-259:021:45:212
1847073992219,2cyclictest2056047-21kworker/u8:0+flush-259:022:55:001
1847073992215,5cyclictest1955523-21ntpq20:50:201
1847079992114,5cyclictest2096783-21ntpq23:05:213
1847075992118,2cyclictest1925188-21kworker/u8:3+events_unbound20:50:162
1847075992118,2cyclictest1831697-21kworker/u8:0+flush-259:019:50:232
1847075992117,3cyclictest2128567-21kworker/u8:1+flush-259:023:50:232
1847075992116,4cyclictest2144047-21kworker/u8:3+flush-259:023:55:252
184706999216,5cyclictest1949923-21ntpq20:45:190
184706999215,6cyclictest1939612-21modprobe20:35:190
1847079992017,2cyclictest3972013-21kworker/u8:4+events_unbound19:45:143
1847075992017,2cyclictest3972013-21kworker/u8:4+flush-259:019:25:002
1847073992016,3cyclictest1831697-21kworker/u8:0+flush-259:019:25:251
184706999209,7cyclictest2092468-21chrt23:04:240
184706999206,4cyclictest2167232-21grep00:15:170
184706999206,4cyclictest2025240-21perl22:00:130
184706999204,5cyclictest2174568-21ntpq00:20:200
1847079991916,2cyclictest2149851-21kworker/u8:0+events_unbound00:18:283
1847079991916,2cyclictest1914640-21kworker/u8:2+flush-259:020:55:243
1847079991915,3cyclictest3972013-21kworker/u8:4+events_unbound19:37:303
1847079991915,2cyclictest2128567-21kworker/u8:1+flush-259:023:50:203
1847073991915,3cyclictest2128567-21kworker/u8:1+flush-259:023:45:241
1847073991915,3cyclictest2056047-21kworker/u8:0+flush-259:022:40:151
184706999197,4cyclictest1973059-21sed21:10:150
184706999194,6cyclictest2177556-21cut00:25:150
184706999194,4cyclictest2117313-21/usr/sbin/munin23:25:210
184706999194,4cyclictest1909143-21modprobe20:06:080
184706999193,7cyclictest2064596-21grep22:35:170
184706999193,6cyclictest2020549-21sed21:55:150
184706999190,17cyclictest1-21systemd21:42:300
1847079991816,1cyclictest509-21rs:main3
1847079991815,2cyclictest2056047-21kworker/u8:0+events_unbound22:55:163
1847079991815,2cyclictest1914640-21kworker/u8:2+events_unbound21:40:153
1847079991815,1cyclictest0-21swapper/321:50:003
1847079991814,3cyclictest1914640-21kworker/u8:2+events_unbound22:20:303
1847079991813,4cyclictest252-21systemd-journal21:55:013
1847075991814,3cyclictest1914640-21kworker/u8:2+events_unbound20:45:172
1847075991813,4cyclictest252-21systemd-journal20:29:592
1847073991816,1cyclictest0-21swapper/119:20:001
1847073991814,3cyclictest2144047-21kworker/u8:3+flush-259:023:55:221
1847073991814,3cyclictest1831697-21kworker/u8:0+flush-259:020:20:161
1847073991812,5cyclictest252-21systemd-journal00:24:301
184706999185,4cyclictest1944968-21sensors20:40:240
184706999185,4cyclictest1944968-21sensors20:40:230
184706999185,4cyclictest1877148-21kthreadcore19:35:190
184706999185,3cyclictest2101970-21ntpq23:10:210
184706999183,4cyclictest1960631-21ntpq20:55:210
1847079991714,2cyclictest1831697-21kworker/u8:0+flush-259:020:15:233
1847079991713,3cyclictest2098718-21kworker/u8:2+events_unbound23:21:313
1847079991713,3cyclictest2029884-21kworker/u8:0+flush-259:022:10:173
1847079991713,3cyclictest1925188-21kworker/u8:3+events_unbound21:56:313
1847079991713,3cyclictest1914640-21kworker/u8:2+events_unbound21:00:083
1847079991712,4cyclictest1925188-21kworker/u8:3+events_unbound21:24:313
1847079991711,5cyclictest2102859-21latency_hist23:15:003
1847075991714,2cyclictest1925188-21kworker/u8:3+flush-259:020:38:072
1847075991714,2cyclictest1914640-21kworker/u8:2+flush-259:021:45:012
1847075991713,3cyclictest75-21kswapd021:05:022
1847075991713,3cyclictest3972013-21kworker/u8:4+events_unbound19:35:212
1847075991713,3cyclictest2149851-21kworker/u8:0+flush-259:000:00:152
1847075991713,3cyclictest1914640-21kworker/u8:2+flush-259:021:25:022
1847075991711,5cyclictest1851342-21ntpq19:10:222
1847073991714,2cyclictest1831697-21kworker/u8:0+flush-259:019:50:161
1847073991713,3cyclictest2149851-21kworker/u8:0+flush-259:000:25:201
1847073991713,3cyclictest2103096-21/usr/sbin/munin23:15:151
184706999176,3cyclictest2044074-21cut22:15:180
184706999175,4cyclictest2054864-21cut22:25:180
184706999175,3cyclictest1903475-21ntpq20:00:220
184706999172,4cyclictest2164050-21memory00:10:180
1847069991713,2cyclictest60350irq/132-enp0s29f1:rx-023:55:210
1847069991713,2cyclictest0-21swapper/022:10:000
1847069991713,2cyclictest0-21swapper/019:10:000
1847079991613,2cyclictest2149886-21kworker/u8:4+events_unbound00:33:293
1847079991613,2cyclictest2056047-21kworker/u8:0+flush-259:023:35:313
1847079991613,2cyclictest1831697-21kworker/u8:0+flush-259:019:40:233
1847079991612,3cyclictest1914640-21kworker/u8:2+flush-259:021:30:013
1847079991612,3cyclictest1914640-21kworker/u8:2+events_unbound21:36:183
184707599169,5cyclictest1944839-21ntpq20:40:212
184707599169,5cyclictest1944839-21ntpq20:40:212
1847073991612,3cyclictest1925188-21kworker/u8:3+flush-259:021:30:051
1847073991611,3cyclictest252-21systemd-journal19:14:311
1847073991611,3cyclictest1914862-21/usr/sbin/munin20:15:131
184706999168,6cyclictest2019087-21grep21:50:250
184706999167,6cyclictest1868103-21grep19:30:010
184706999165,9cyclictest252-21systemd-journal19:15:010
184706999164,2cyclictest2184926-21ntpq00:30:190
184706999164,2cyclictest2096753-21ntpq23:05:200
1847069991613,2cyclictest60350irq/132-enp0s29f1:rx-021:30:220
1847069991612,3cyclictest60350irq/132-enp0s29f1:rx-023:45:120
184707999158,5cyclictest1920227-21diskstats20:20:143
1847079991511,3cyclictest2098718-21kworker/u8:2+events_unbound23:26:283
184707599151,6cyclictest2035027-21apt22:10:012
1847075991513,1cyclictest2123409-21sh23:35:002
1847075991512,2cyclictest2190077-21ntp_kernel_pll_00:35:232
1847075991512,2cyclictest2118232-21idleruntime-cro23:30:002
1847075991511,3cyclictest1925188-21kworker/u8:3+flush-259:021:55:222
1847075991511,3cyclictest1914640-21kworker/u8:2+flush-259:021:16:352
1847075991510,4cyclictest252-21systemd-journal19:45:012
1847073991512,2cyclictest1868797-21irqcore19:30:161
1847073991511,3cyclictest2076649-21kworker/u8:2+flush-259:023:00:161
1847073991511,3cyclictest1967229-21base6421:05:001
1847073991511,3cyclictest1914640-21kworker/u8:2+flush-259:022:15:211
1847073991511,3cyclictest1831697-21kworker/u8:0+events_unbound19:40:201
1847073991510,4cyclictest2123643-21/usr/sbin/munin23:35:151
184706999158,5cyclictest1992507-21unixbench_singl21:25:240
184706999154,2cyclictest2075705-21ntpq22:45:200
184706999154,2cyclictest1898339-21ntpq19:55:210
184706999154,2cyclictest1893149-21ntpq19:50:200
184706999153,4cyclictest2039678-21collect222:10:210
1847069991513,1cyclictest60350irq/132-enp0s29f1:rx-022:40:160
1847069991511,2cyclictest61150irq/133-enp0s29f1:tx-022:20:100
1847069991510,4cyclictest2111967-21cut23:20:180
1847069991510,3cyclictest1977736-21apt-get21:15:110
184707599149,4cyclictest1972537-21apt-get21:10:112
184707599148,4cyclictest2019565-21latency_hist21:55:012
1847075991410,3cyclictest1883919-21/usr/sbin/munin19:45:192
184707399149,4cyclictest2184907-21ntpq00:30:181
1847073991412,1cyclictest0-21swapper/121:55:011
1847073991411,2cyclictest0-21swapper/122:10:011
1847073991410,3cyclictest1831697-21kworker/u8:0+flush-259:020:30:211
1847073991410,3cyclictest1831697-21kworker/u8:0+flush-259:020:25:161
184706999149,3cyclictest1966722-21apt-get21:05:000
184706999147,5cyclictest1930520-21tr20:30:130
184706999146,6cyclictest2118636-21cpuspeed_turbos23:30:120
184706999142,2cyclictest1918725-21memory20:15:190
1847069991411,2cyclictest60350irq/132-enp0s29f1:rx-023:35:200
184707999138,3cyclictest2128567-21kworker/u8:1+events_unbound23:55:153
184707599139,3cyclictest2050655-21kworker/u8:1+flush-259:022:30:162
184707599138,3cyclictest2066652-21cpuspeed_turbos22:40:112
1847075991310,2cyclictest507-21in:imuxsock00:25:012
1847075991310,2cyclictest2092244-21kworker/u8:3+flush-259:023:20:002
1847075991310,2cyclictest2056018-21cron22:30:002
1847075991310,2cyclictest1982989-21cpuspeed_turbos21:20:112
1847075991310,2cyclictest1925188-21kworker/u8:3+flush-259:020:30:102
1847075991310,2cyclictest1920132-21cpuspeed_turbos20:20:132
1847075991310,2cyclictest1856551-21ntp_offset19:15:212
184707399139,3cyclictest1992959-21latency_hist21:30:011
184707399139,3cyclictest1914640-21kworker/u8:2+flush-259:022:05:011
184707399139,3cyclictest1804240-21kworker/u8:2+flush-259:019:36:081
184707399138,4cyclictest2035027-21apt-get22:10:011
1847073991311,1cyclictest1956648-21/usr/sbin/munin20:55:191
1847073991310,2cyclictest2092863-21cpuspeed_turbos23:05:121
184707399130,2cyclictest191rcu_preempt21:15:011
184707599129,2cyclictest2169821-21unixbench_multi00:15:242
184707599128,3cyclictest252-21systemd-journal22:45:302
184707599127,4cyclictest2082049-21apt-get22:55:102
184707599123,8cyclictest0-21swapper/220:10:002
184707599121,9cyclictest1914620-21awk20:14:592
1847075991210,1cyclictest0-21swapper/200:10:162
184707399128,3cyclictest1914640-21kworker/u8:2+flush-259:021:00:061
184707599119,1cyclictest0-21swapper/222:55:012
184707599118,2cyclictest1956739-21cpuspeed_turbos20:55:132
184707599118,2cyclictest0-21swapper/200:25:122
184707599111,9cyclictest2102857-21awk23:15:002
184707399119,1cyclictest0-21swapper/123:30:161
184707399118,2cyclictest0-21swapper/120:00:191
184707399118,1cyclictest0-21swapper/119:55:211
184707399117,3cyclictest1978017-21perl21:15:131
184707599108,1cyclictest2123841-21fschecks_count23:35:132
184707599108,1cyclictest0-21swapper/223:20:232
184707599108,1cyclictest0-21swapper/223:05:132
184707599101,2cyclictest2066331-21awk22:40:002
184707399106,3cyclictest2149886-21kworker/u8:4+flush-259:000:10:241
184707399106,3cyclictest2050655-21kworker/u8:1+flush-259:022:31:421
184707399100,8cyclictest1983530-21cut21:20:151
18470759996,2cyclictest2133236-21unixbench_multi23:40:242
18470759996,2cyclictest1997102-21needreboot21:30:192
18470759995,3cyclictest401ktimers/220:00:202
18470759994,3cyclictest1919257-21cat20:15:232
18470739997,1cyclictest2061434-21acpi22:35:111
18470739997,1cyclictest0-21swapper/122:25:151
18470739997,1cyclictest0-21swapper/122:21:111
18470739997,1cyclictest0-21swapper/119:45:211
18470739996,2cyclictest2024255-21unixbench_multi21:55:241
18470739996,2cyclictest1940834-21cpuspeed_turbos20:40:131
18470739996,2cyclictest1940834-21cpuspeed_turbos20:40:121
18470759984,3cyclictest2135340-21cut23:45:182
18470759984,2cyclictest0-21swapper/200:05:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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