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2026-01-21 - 17:12
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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Default latency plot of shadow in rack #c, slot #7

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 rackcslot7s.osadl.org (updated Wed Jan 21, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193172222920,8sleep10-21swapper/107:05:281
193230222410,29sleep342-21ksoftirqd/307:10:003
20262012870,5sleep00-21swapper/011:35:020
197399840,5rtkit-daemon0-21swapper/107:48:381
193131627745,23sleep20-21swapper/207:05:222
197399750,61rtkit-daemon0-21swapper/007:09:290
19742232720,6sleep14497-21PK-Backend09:05:291
197399690,9rtkit-daemon1972-21rtkit-daemon11:52:421
193242099651,15cyclictest20351292cat12:00:132
19744092620,16chrt13-21ksoftirqd/009:05:310
197399620,8rtkit-daemon1972-21rtkit-daemon12:25:441
1932418996127,18cyclictest26-21ksoftirqd/108:35:581
197399590,9rtkit-daemon1972-21rtkit-daemon12:39:251
197399590,9rtkit-daemon1972-21rtkit-daemon12:39:251
1932420995919,11cyclictest1954072-21grep08:10:122
1932420995917,12cyclictest438-20systemd-journal07:49:552
193242099587,21cyclictest2040039-21cat12:15:022
193242099587,21cyclictest2040039-21cat12:15:022
1932420995622,29cyclictest1980374-21cpuspeed_turbos09:25:132
1932420995622,29cyclictest1980374-21cpuspeed_turbos09:25:122
1932420995615,12cyclictest1978805-21cat09:20:132
1932420995612,12cyclictest1978176-21sshd09:19:292
1932420995514,11cyclictest438-20systemd-journal08:09:552
1932418995520,20cyclictest26-21ksoftirqd/109:15:211
1932420995423,27cyclictest1999667-21cron10:20:002
1932420995412,13cyclictest1033-21gdbus08:21:062
19923082530,15sleep126-21ksoftirqd/109:58:561
1932420995315,10cyclictest1984159-21if_err_enp2s009:35:192
1932420995312,11cyclictest1950427-21cat08:00:102
1932420995217,7cyclictest1997219-21ntp_offset10:10:242
1932420995214,11cyclictest2006217-21awk10:35:282
1932420995213,14cyclictest1936909-21df_inode07:20:162
1932418995218,19cyclictest26-21ksoftirqd/111:25:201
20403202510,6chrt0-21swapper/312:15:133
193242099513,18cyclictest1973075-21systemd09:05:012
193242099513,18cyclictest1973075-21systemd09:05:012
1932420995118,7cyclictest1966958-21missed_timers08:45:202
1932420995114,8cyclictest1940543-21latency07:30:212
1932420995114,12cyclictest2024907-21entropy11:30:182
1932420995111,11cyclictest2004189-21which10:30:262
1932420995111,11cyclictest1986003-21cat09:40:212
1932420995111,11cyclictest1975449-21ls09:10:182
197399500,33rtkit-daemon4497-21PK-Backend08:35:220
193242099508,13cyclictest2028250-21cat11:40:142
193242099502,18cyclictest1948860-21grep07:55:142
1932420995016,8cyclictest1960899-21cron08:34:552
1932420995016,7cyclictest1137-21runrttasks12:31:402
1932420995016,7cyclictest1137-21runrttasks11:56:392
1932420995015,7cyclictest2017628-21cpuspeed_turbos11:10:122
1932420995015,7cyclictest1993941-21wc10:00:292
1932420995015,7cyclictest1982509-21latency09:30:212
1932420995015,6cyclictest2048501-21latency_hist12:40:012
1932420995015,6cyclictest2048501-21latency_hist12:40:012
1932420995014,7cyclictest1994947-21cstates10:05:132
1932420995013,10cyclictest2000881-21sed10:20:262
1932420995010,12cyclictest2037009-21cat12:05:132
193242099496,15cyclictest1959424-21munin-node08:25:112
1932420994918,8cyclictest2015581-21cpuspeed11:05:142
1932420994918,6cyclictest2021807-21ntp_states11:20:242
1932420994915,7cyclictest2042653-21processes12:20:232
1932420994914,7cyclictest2009611-21timerandwakeup10:45:302
1932420994913,10cyclictest1933478-21grep07:10:272
1932420994912,10cyclictest1988942-21cpuspeed09:50:122
1932420994912,10cyclictest1988942-21cpuspeed09:50:122
1932420994910,10cyclictest2010332-21seq10:50:112
1932418994923,8cyclictest26-21ksoftirqd/107:24:551
1932418994911,19cyclictest26-21ksoftirqd/108:55:271
197399480,33rtkit-daemon1943897-21diskstats07:40:180
1932423994816,12cyclictest1948559-21sed07:55:023
1932423994814,20cyclictest42-21ksoftirqd/308:21:053
193242099489,11cyclictest1947407-21basename07:50:202
1932420994816,7cyclictest1137-21runrttasks08:56:582
1932420994815,8cyclictest1939814-21cat07:30:022
1932420994815,6cyclictest2023003-21cstates11:25:132
1932420994815,12cyclictest1966101-21sh08:45:002
1932420994815,12cyclictest1966101-21sh08:45:002
1932420994815,11cyclictest923-21dbus-daemon09:57:362
1932420994814,6cyclictest1987366-21cstates09:45:142
1932420994813,8cyclictest2013965-21grep11:00:142
1932420994813,8cyclictest2013965-21grep11:00:142
1932420994812,11cyclictest1943866-21expr07:40:152
193241899482,9cyclictest26-21ksoftirqd/108:55:011
193242399473,21cyclictest1955578-21date08:15:033
1932423994711,13cyclictest42-21ksoftirqd/310:19:563
193241899475,20cyclictest26-21ksoftirqd/112:20:001
193241899473,29cyclictest26-21ksoftirqd/111:20:261
193242399469,22cyclictest2032558-21runrttasks11:50:363
193242399467,35cyclictest1972-21rtkit-daemon11:23:403
1932420994614,8cyclictest34-21ksoftirqd/208:35:022
193242099461,16cyclictest2041640-21cat12:20:012
1932418994625,8cyclictest26-21ksoftirqd/110:00:581
1932418994616,14cyclictest141rcu_preempt07:28:171
197399450,31rtkit-daemon0-21swapper/010:45:170
193242099459,7cyclictest0-21swapper/210:40:132
193242099452,16cyclictest2030589-21python311:45:282
1932420994515,7cyclictest4497-21PK-Backend07:37:402
1932420994512,9cyclictest34-21ksoftirqd/210:28:482
197399440,26rtkit-daemon0-21swapper/312:02:413
193242399445,10cyclictest1939977-21/usr/sbin/munin07:30:143
1932423994412,18cyclictest42-21ksoftirqd/312:35:013
1932418994422,7cyclictest26-21ksoftirqd/108:09:551
193241899442,18cyclictest26-21ksoftirqd/109:40:291
1932418994412,8cyclictest26-21ksoftirqd/112:24:551
193241899441,11cyclictest26-21ksoftirqd/108:45:011
193241899441,11cyclictest26-21ksoftirqd/108:45:011
1932418994411,11cyclictest26-21ksoftirqd/108:15:241
1932418994410,18cyclictest26-21ksoftirqd/108:00:251
193242399439,15cyclictest42-21ksoftirqd/308:43:043
193242399439,15cyclictest42-21ksoftirqd/308:43:043
1932423994312,12cyclictest42-21ksoftirqd/307:47:283
193242099431,29cyclictest0-21swapper/210:59:452
1932420994312,12cyclictest2032920-21turbostat11:55:002
1932418994317,10cyclictest26-21ksoftirqd/111:11:201
193241899431,23cyclictest2008274-21taskset10:44:301
193241899431,23cyclictest1936146-21taskset07:18:371
193242399429,12cyclictest42-21ksoftirqd/308:35:263
193242399426,9cyclictest4497-21PK-Backend08:55:003
193242399424,19cyclictest42-21ksoftirqd/310:48:433
1932423994234,6cyclictest411rcuc/311:15:343
1932423994233,6cyclictest411rcuc/311:04:433
1932423994233,6cyclictest411rcuc/311:04:433
193242399421,15cyclictest19755972sed09:10:203
1932423994210,16cyclictest42-21ksoftirqd/311:27:133
193241899429,10cyclictest26-21ksoftirqd/110:20:111
193241899428,9cyclictest26-21ksoftirqd/110:15:151
193241899428,16cyclictest141rcu_preempt09:50:301
193241899428,16cyclictest141rcu_preempt09:50:291
1932418994221,8cyclictest26-21ksoftirqd/107:59:561
1932418994217,7cyclictest26-21ksoftirqd/111:36:401
193241899421,22cyclictest2033158-21taskset11:55:051
193241899421,22cyclictest1983077-21taskset09:30:411
193241899421,20cyclictest26-21ksoftirqd/112:35:001
193241899421,11cyclictest26-21ksoftirqd/107:10:241
193242399418,12cyclictest42-21ksoftirqd/311:50:013
193242399412,19cyclictest1982625-21grep09:30:223
1932423994117,20cyclictest1992953-21/usr/sbin/munin10:00:263
1932423994112,8cyclictest42-21ksoftirqd/309:50:263
1932423994112,8cyclictest42-21ksoftirqd/309:50:263
193242399411,14cyclictest1957294-21taskset08:18:483
193241899418,19cyclictest26-21ksoftirqd/108:49:571
193241899418,18cyclictest26-21ksoftirqd/109:25:111
193241899418,18cyclictest26-21ksoftirqd/109:25:111
193241899414,19cyclictest26-21ksoftirqd/110:54:561
1932418994119,8cyclictest26-21ksoftirqd/110:07:331
1932418994114,11cyclictest26-21ksoftirqd/107:37:581
1932418994113,10cyclictest26-21ksoftirqd/108:30:001
193241899411,21cyclictest1984858-21runrttasks09:36:211
193241899411,21cyclictest1941209-21taskset07:31:561
1932418994111,9cyclictest26-21ksoftirqd/111:16:101
1932418994110,14cyclictest26-21ksoftirqd/108:12:351
20486372400,7chrt4497-21PK-Backend12:40:010
20486372400,7chrt4497-21PK-Backend12:40:010
20392892400,7sleep3411rcuc/312:10:303
20392892400,7sleep3411rcuc/312:10:303
197399400,27rtkit-daemon4497-21PK-Backend11:36:240
197399400,27rtkit-daemon4497-21PK-Backend11:05:090
197399400,27rtkit-daemon4497-21PK-Backend08:05:050
197399400,27rtkit-daemon4497-21PK-Backend07:53:520
193242399407,16cyclictest42-21ksoftirqd/310:54:283
193242399407,11cyclictest42-21ksoftirqd/307:15:023
193242399405,18cyclictest42-21ksoftirqd/310:30:253
193242399405,16cyclictest42-21ksoftirqd/309:05:113
193242399405,11cyclictest42-21ksoftirqd/309:04:163
193242399405,11cyclictest42-21ksoftirqd/309:04:163
193242399403,18cyclictest2029327-21taskset11:43:403
1932423994031,6cyclictest411rcuc/308:27:083
1932423994012,24cyclictest1936304-21unin-run07:20:003
193241899407,19cyclictest26-21ksoftirqd/107:40:121
193241899404,20cyclictest26-21ksoftirqd/108:25:011
193241899403,18cyclictest26-21ksoftirqd/110:30:191
1932418994016,7cyclictest26-21ksoftirqd/111:05:091
193241899401,21cyclictest26-21ksoftirqd/112:10:251
193241899401,21cyclictest26-21ksoftirqd/112:10:241
193241899401,21cyclictest1948394-21taskset07:54:291
193241899401,20cyclictest26-21ksoftirqd/109:00:511
193241899401,20cyclictest26-21ksoftirqd/109:00:511
1932413994014,7cyclictest141rcu_preempt07:20:210
1932413994012,12cyclictest141rcu_preempt07:35:000
197399390,27rtkit-daemon4497-21PK-Backend10:08:270
197399390,26rtkit-daemon0-21swapper/110:11:271
197399390,25rtkit-daemon0-21swapper/109:10:561
193242399397,16cyclictest42-21ksoftirqd/310:41:233
193242399397,12cyclictest42-21ksoftirqd/310:06:143
193242399397,10cyclictest42-21ksoftirqd/312:25:153
193242399394,12cyclictest42-21ksoftirqd/307:20:203
1932423993930,6cyclictest411rcuc/307:40:003
1932423993923,11cyclictest438-20systemd-journal10:57:283
1932423993922,12cyclictest438-20systemd-journal08:10:003
193242399391,11cyclictest1967484-21taskset08:45:403
1932423993910,11cyclictest42-21ksoftirqd/309:45:123
1932418993914,5cyclictest141rcu_preempt12:05:251
1932418993913,8cyclictest26-21ksoftirqd/111:45:241
193241899391,19cyclictest26-21ksoftirqd/110:55:291
1932413993911,6cyclictest141rcu_preempt10:20:020
197399380,27rtkit-daemon4497-21PK-Backend10:43:420
197399380,27rtkit-daemon4497-21PK-Backend09:52:220
197399380,27rtkit-daemon4497-21PK-Backend09:52:220
197399380,27rtkit-daemon4497-21PK-Backend08:35:000
197399380,26rtkit-daemon0-21swapper/109:24:211
197399380,25rtkit-daemon4497-21PK-Backend10:01:120
197399380,24rtkit-daemon0-21swapper/007:47:000
19699712380,5chrt0-21swapper/008:55:140
193242399388,12cyclictest42-21ksoftirqd/308:31:213
193242399388,10cyclictest42-21ksoftirqd/309:20:203
1932423993829,6cyclictest411rcuc/308:00:213
1932423993821,12cyclictest438-20systemd-journal07:40:303
193242099381,32cyclictest1935930-21chrt07:15:502
193241899385,10cyclictest26-21ksoftirqd/111:30:261
193241899383,19cyclictest26-21ksoftirqd/108:30:141
193241899382,13cyclictest26-21ksoftirqd/112:00:291
193241899381,6cyclictest4497-21PK-Backend11:00:241
193241899381,6cyclictest4497-21PK-Backend11:00:241
193241899381,18cyclictest26-21ksoftirqd/110:25:141
1932413993821,12cyclictest438-20systemd-journal09:35:290
1932413993813,6cyclictest141rcu_preempt10:10:130
197399370,25rtkit-daemon0-21swapper/110:46:001
197399370,24rtkit-daemon0-21swapper/011:20:000
197399370,24rtkit-daemon0-21swapper/009:23:440
193242399378,13cyclictest4497-21PK-Backend07:58:583
193242399374,10cyclictest2018681-40lsb_release11:11:043
1932423993731,4cyclictest0-21swapper/309:42:563
193242399373,11cyclictest2042715-21python312:20:253
1932423993728,6cyclictest411rcuc/310:20:113
193242399372,31cyclictest1991911-21apt-get09:57:383
193242399372,14cyclictest1978003-21taskset09:17:153
193242399372,11cyclictest42-21ksoftirqd/311:55:363
1932423993721,12cyclictest2048440-21sshd12:39:283
1932423993721,12cyclictest2048440-21sshd12:39:283
1932423993720,12cyclictest438-20systemd-journal07:30:003
193242399371,13cyclictest1980984-21ntpq09:25:243
193242399371,13cyclictest1980984-21ntpq09:25:243
193241899377,14cyclictest141rcu_preempt09:45:191
193241899371,19cyclictest26-21ksoftirqd/111:40:261
1932413993720,13cyclictest923-21dbus-daemon08:45:000
1932413993720,13cyclictest923-21dbus-daemon08:45:000
1932413993711,6cyclictest141rcu_preempt09:40:220
197399360,25rtkit-daemon0-21swapper/008:20:100
197399360,23rtkit-daemon0-21swapper/009:29:570
197399360,23rtkit-daemon0-21swapper/009:29:570
1932423993621,11cyclictest1971478-21sed09:00:033
193242399361,17cyclictest42-21ksoftirqd/311:33:193
193242399361,15cyclictest2027567-21runrttasks11:38:183
193242399361,12cyclictest42-21ksoftirqd/311:08:193
193242399361,12cyclictest1997933-21cron10:15:003
1932420993620,11cyclictest1974161-21rt-features09:05:262
1932420993619,12cyclictest1956621-21ntpq08:15:232
193242099361,6cyclictest4497-21PK-Backend11:15:212
1932413993623,9cyclictest1968846-21tr08:50:220
1932413993618,13cyclictest438-20systemd-journal07:28:290
1932413993614,6cyclictest141rcu_preempt07:18:100
1932413993614,5cyclictest141rcu_preempt08:00:130
1932413993613,5cyclictest141rcu_preempt10:35:120
1932413993612,19cyclictest1942416-21cut07:35:230
197399350,23rtkit-daemon0-21swapper/010:20:360
1932423993518,12cyclictest2005990-21rt-features10:35:253
193242399351,29cyclictest1984179-21irqstats09:35:203
1932420993524,7cyclictest2045024-21cron12:30:002
193242099351,31cyclictest0-21swapper/211:35:242
1932418993515,7cyclictest26-21ksoftirqd/110:35:171
193241399354,13cyclictest4497-21PK-Backend12:16:320
193241399353,9cyclictest4497-21PK-Backend12:13:220
193241399353,9cyclictest4497-21PK-Backend12:13:220
193241399352,6cyclictest2043768-21ls12:25:120
1932413993519,12cyclictest1972620-21sed09:00:290
1932413993519,12cyclictest1972620-21sed09:00:290
1932413993513,6cyclictest141rcu_preempt12:25:000
1932413993513,6cyclictest141rcu_preempt11:10:200
193241399351,30cyclictest4497-21PK-Backend11:41:010
1932413993512,6cyclictest141rcu_preempt08:00:000
193242399341,28cyclictest2038139-21systemd-run12:10:013
193242399341,13cyclictest42-21ksoftirqd/310:27:293
193241399349,6cyclictest141rcu_preempt11:00:200
193241399349,6cyclictest141rcu_preempt11:00:200
193241399341,29cyclictest1966631-21cat08:45:130
1932413993412,5cyclictest141rcu_preempt12:35:020
193241399341,13cyclictest4497-21PK-Backend11:56:080
193241399341,13cyclictest4497-21PK-Backend11:21:470
193241399341,13cyclictest4497-21PK-Backend10:26:210
1932413993410,6cyclictest141rcu_preempt08:15:140
193241399338,6cyclictest141rcu_preempt11:25:220
193241399338,6cyclictest141rcu_preempt09:10:220
1932413993325,5cyclictest19553522sleep008:14:560
1932413993323,5cyclictest13-21ksoftirqd/010:33:280
1932413993316,12cyclictest1933336-21ntp_states07:10:240
1932413993313,6cyclictest141rcu_preempt10:55:380
1932413993313,6cyclictest141rcu_preempt08:25:220
193241399331,29cyclictest4497-21PK-Backend12:01:400
1932420993216,12cyclictest1969568-21cron08:55:002
1932413993222,5cyclictest13-21ksoftirqd/011:51:080
1932413993221,7cyclictest1988608-21cron09:50:000
193241399321,4cyclictest4497-21PK-Backend09:55:570
1932413993117,10cyclictest1982914-21find09:30:290
1932413993115,11cyclictest1977454-21netstat09:15:240
193241399311,27cyclictest4497-21PK-Backend11:46:200
1932413993112,5cyclictest141rcu_preempt12:06:140
1932413993019,7cyclictest2011316-21cat10:50:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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