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2026-02-06 - 13:11
[ 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 #9, slot #3

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 792 highest latencies:
System rack9slot3s.osadl.org (updated Fri Feb 06, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119591720,30ptp4l0-21swapper/019:05:010
1300916655,6phc2sys0-21swapper/219:08:542
119591580,41ptp4l0-21swapper/119:07:061
2174525447,5sleep30-21swapper/319:05:513
112452440,0sleep10-21swapper/120:50:001
119591220,0ptp4l0-21swapper/023:45:190
119591210,1ptp4l23059-21hddtemp_smartct19:10:150
119591210,1ptp4l23059-21hddtemp_smartct19:10:140
119591200,1ptp4l1876-21ntp_states21:30:210
119591200,0ptp4l0-21swapper/022:30:210
22327991918,0cyclictest9-21ksoftirqd/022:10:210
119591180,0ptp4l0-21swapper/000:00:240
119591170,0ptp4l0-21swapper/120:25:261
119591170,0ptp4l0-21swapper/020:20:190
119591160,1ptp4l5997-21apt-get23:45:151
119591160,1ptp4l24922-21apt-get23:20:131
119591160,1ptp4l16281-21snmp_o5powerctl19:55:220
119591160,1ptp4l15652-21snmp_o5powerctl21:55:222
119591160,0ptp4l0-21swapper/120:30:151
119591160,0ptp4l0-21swapper/120:15:401
119591160,0ptp4l0-21swapper/020:25:130
119591150,1ptp4l30342-21ls19:20:242
119591150,1ptp4l29276-21snmp_o5powerctl21:20:240
119591150,1ptp4l27001-21ls20:15:240
119591150,1ptp4l23662-21ntp_states21:10:190
119591150,1ptp4l2346-21snmp_o5powerctl23:35:211
119591150,1ptp4l2343-21snmp_o5powerctl23:35:220
119591150,1ptp4l226-21systemd-journal22:40:001
119591150,1ptp4l22262-21apt-get00:15:160
119591150,1ptp4l18663-21wc00:05:230
119591150,1ptp4l18429-21snmp_o5powerctl21:00:231
119591150,1ptp4l15088-21irqstats21:55:181
119591150,1ptp4l14969-21hddtemp_smartct23:00:160
119591150,1ptp4l13183-21snmp_o5powerctl23:55:231
119591150,1ptp4l12813-21ntp_states20:50:220
119591150,1ptp4l10140-21snmp_o5powerctl21:45:240
119591150,1ptp4l0-21swapper/120:10:221
119591150,0ptp4l0-21swapper/219:55:172
119591150,0ptp4l0-21swapper/122:55:141
119591150,0ptp4l0-21swapper/121:30:141
119591150,0ptp4l0-21swapper/121:10:131
119591150,0ptp4l0-21swapper/120:50:141
119591150,0ptp4l0-21swapper/119:20:131
119591150,0ptp4l0-21swapper/100:25:171
119591150,0ptp4l0-21swapper/100:10:141
119591150,0ptp4l0-21swapper/100:00:231
119591150,0ptp4l0-21swapper/023:50:020
119591150,0ptp4l0-21swapper/023:30:200
119591150,0ptp4l0-21swapper/022:15:160
119591150,0ptp4l0-21swapper/021:55:010
119591150,0ptp4l0-21swapper/021:35:130
119591140,6ptp4l2649-21taskset22:33:161
119591140,1ptp4l6272-21tune2fs22:40:150
119591140,1ptp4l3380-21/usr/sbin/munin23:40:121
119591140,1ptp4l29239-21snmp_o5powerctl23:25:221
119591140,1ptp4l26695-21irqrtprio19:15:190
119591140,1ptp4l25908-21irqrtprio00:20:200
119591140,1ptp4l25519-21hddtemp_smartct22:15:191
119591140,1ptp4l23621-21/usr/sbin/munin22:10:201
119591140,1ptp4l22325-21cyclictest22:05:142
119591140,1ptp4l22243-21apt23:15:141
119591140,1ptp4l22110-21latency_hist23:15:021
119591140,1ptp4l21323-21ntpq20:05:190
119591140,1ptp4l2023-21hddtemp_smartct19:30:160
119591140,1ptp4l19711-21telnet21:05:131
119591140,1ptp4l17018-21latency_hist20:00:021
119591140,1ptp4l16650-21apt22:00:131
119591140,1ptp4l15753-21snmp_o5powerctl20:55:200
119591140,1ptp4l11509-21apt-get23:55:130
119591140,0ptp4l540-21ls19:25:230
119591140,0ptp4l0-21swapper/222:35:002
119591140,0ptp4l0-21swapper/123:50:011
119591140,0ptp4l0-21swapper/123:05:211
119591140,0ptp4l0-21swapper/123:00:231
119591140,0ptp4l0-21swapper/122:20:201
119591140,0ptp4l0-21swapper/122:05:211
119591140,0ptp4l0-21swapper/121:45:121
119591140,0ptp4l0-21swapper/121:40:221
119591140,0ptp4l0-21swapper/121:25:221
119591140,0ptp4l0-21swapper/120:40:231
119591140,0ptp4l0-21swapper/120:39:451
119591140,0ptp4l0-21swapper/120:20:231
119591140,0ptp4l0-21swapper/119:45:251
119591140,0ptp4l0-21swapper/119:40:231
119591140,0ptp4l0-21swapper/119:35:171
119591140,0ptp4l0-21swapper/119:25:181
119591140,0ptp4l0-21swapper/119:15:231
119591140,0ptp4l0-21swapper/100:35:241
119591140,0ptp4l0-21swapper/100:30:201
119591140,0ptp4l0-21swapper/100:05:211
119591140,0ptp4l0-21swapper/023:25:190
119591140,0ptp4l0-21swapper/023:15:170
119591140,0ptp4l0-21swapper/022:35:150
119591140,0ptp4l0-21swapper/022:05:230
119591140,0ptp4l0-21swapper/022:00:230
119591140,0ptp4l0-21swapper/021:40:220
119591140,0ptp4l0-21swapper/021:05:020
119591140,0ptp4l0-21swapper/020:35:210
119591140,0ptp4l0-21swapper/020:00:240
119591140,0ptp4l0-21swapper/019:45:240
119591140,0ptp4l0-21swapper/019:20:190
119591140,0ptp4l0-21swapper/000:30:240
119591140,0ptp4l0-21swapper/000:25:080
119591130,1ptp4l19729-21telnet00:10:162
119591130,0ptp4l33-21ksoftirqd/220:25:172
119591130,0ptp4l12176-21cut19:50:110
119591130,0ptp4l0-21swapper/223:30:152
119591130,0ptp4l0-21swapper/223:10:242
119591130,0ptp4l0-21swapper/221:40:132
119591130,0ptp4l0-21swapper/220:40:182
119591130,0ptp4l0-21swapper/220:30:152
119591130,0ptp4l0-21swapper/220:00:212
119591130,0ptp4l0-21swapper/219:30:202
119591130,0ptp4l0-21swapper/200:00:132
119591130,0ptp4l0-21swapper/123:30:141
119591130,0ptp4l0-21swapper/122:50:181
119591130,0ptp4l0-21swapper/122:40:161
119591130,0ptp4l0-21swapper/122:25:151
119591130,0ptp4l0-21swapper/121:50:141
119591130,0ptp4l0-21swapper/121:35:131
119591130,0ptp4l0-21swapper/121:20:161
119591130,0ptp4l0-21swapper/121:15:201
119591130,0ptp4l0-21swapper/120:55:121
119591130,0ptp4l0-21swapper/120:05:181
119591130,0ptp4l0-21swapper/120:00:131
119591130,0ptp4l0-21swapper/119:50:111
119591130,0ptp4l0-21swapper/119:30:141
119591130,0ptp4l0-21swapper/119:10:121
119591130,0ptp4l0-21swapper/119:10:121
119591130,0ptp4l0-21swapper/100:20:171
119591130,0ptp4l0-21swapper/100:15:171
119591130,0ptp4l0-21swapper/023:40:130
119591130,0ptp4l0-21swapper/023:20:170
119591130,0ptp4l0-21swapper/023:10:150
119591130,0ptp4l0-21swapper/023:05:140
119591130,0ptp4l0-21swapper/022:55:140
119591130,0ptp4l0-21swapper/022:50:160
119591130,0ptp4l0-21swapper/022:25:130
119591130,0ptp4l0-21swapper/022:20:110
119591130,0ptp4l0-21swapper/021:50:200
119591130,0ptp4l0-21swapper/021:25:020
119591130,0ptp4l0-21swapper/021:15:140
119591130,0ptp4l0-21swapper/021:00:140
119591130,0ptp4l0-21swapper/020:45:140
119591130,0ptp4l0-21swapper/020:40:040
119591130,0ptp4l0-21swapper/020:30:140
119591130,0ptp4l0-21swapper/020:10:140
119591130,0ptp4l0-21swapper/019:40:140
119591130,0ptp4l0-21swapper/019:35:130
119591130,0ptp4l0-21swapper/000:35:220
119591130,0ptp4l0-21swapper/000:10:160
119591120,0ptp4l0-21swapper/223:35:192
119591120,0ptp4l0-21swapper/223:15:152
119591120,0ptp4l0-21swapper/222:40:022
119591120,0ptp4l0-21swapper/222:35:022
119591120,0ptp4l0-21swapper/221:20:242
119591120,0ptp4l0-21swapper/219:15:212
119591120,0ptp4l0-21swapper/200:05:192
119591110,0ptp4l0-21swapper/223:22:082
119591110,0ptp4l0-21swapper/220:35:242
119591100,2ptp4l0-21swapper/220:18:092
119591100,1ptp4l33-21ksoftirqd/222:53:342
119591100,1ptp4l0-21swapper/223:26:562
119591100,1ptp4l0-21swapper/221:47:002
119591100,0ptp4l0-21swapper/223:00:132
119591100,0ptp4l0-21swapper/222:04:112
119591100,0ptp4l0-21swapper/219:54:122
119591100,0ptp4l0-21swapper/200:39:102
119591100,0ptp4l0-21swapper/122:48:121
119591100,0ptp4l0-21swapper/022:47:000
223309997,1cyclictest57302sleep320:38:253
223309997,1cyclictest36112sleep319:33:253
223309997,1cyclictest324-21cat00:35:013
223309997,1cyclictest29114-21cut19:20:153
223309997,1cyclictest27102-21chrt00:22:013
223309997,1cyclictest23504-21wc21:10:173
223309997,1cyclictest23187-21sed23:15:193
223309997,1cyclictest21799-21chrt21:07:173
223309997,1cyclictest18055-21wc00:05:183
223309997,1cyclictest12311-21ethtool23:55:173
223309997,1cyclictest10407-21grep20:45:223
223309990,8cyclictest25913-21tr21:15:183
223299997,1cyclictest6280-21chrt19:38:402
223299997,1cyclictest31449-21sed00:30:202
223299997,1cyclictest23686-21cut20:10:172
11959190,0ptp4l0-21swapper/223:55:592
11959190,0ptp4l0-21swapper/223:50:032
11959190,0ptp4l0-21swapper/223:45:122
11959190,0ptp4l0-21swapper/223:40:402
11959190,0ptp4l0-21swapper/222:57:562
11959190,0ptp4l0-21swapper/222:49:532
11959190,0ptp4l0-21swapper/222:24:542
11959190,0ptp4l0-21swapper/222:18:112
11959190,0ptp4l0-21swapper/222:11:162
11959190,0ptp4l0-21swapper/221:35:282
11959190,0ptp4l0-21swapper/221:30:472
11959190,0ptp4l0-21swapper/221:26:592
11959190,0ptp4l0-21swapper/221:15:102
11959190,0ptp4l0-21swapper/221:01:192
11959190,0ptp4l0-21swapper/220:50:552
11959190,0ptp4l0-21swapper/220:48:052
11959190,0ptp4l0-21swapper/220:06:052
11959190,0ptp4l0-21swapper/219:45:022
11959190,0ptp4l0-21swapper/219:25:592
11959190,0ptp4l0-21swapper/219:11:012
11959190,0ptp4l0-21swapper/219:11:002
11959190,0ptp4l0-21swapper/200:25:042
11959190,0ptp4l0-21swapper/200:24:502
11959190,0ptp4l0-21swapper/200:16:092
223309986,1cyclictest9745-21cat21:45:203
223309986,1cyclictest9719-21expr19:45:163
223309986,1cyclictest971-21cpuspeed_turbos20:30:153
223309986,1cyclictest86432sleep322:49:133
223309986,1cyclictest7307-21tail19:40:153
223309986,1cyclictest6721-21cut21:40:163
223309986,1cyclictest6347-21cut20:40:143
223309986,1cyclictest6327-21cat23:45:163
223309986,1cyclictest4762-21cat22:35:243
223309986,1cyclictest4374-21expr19:35:123
223309986,1cyclictest4290-21cut23:40:163
223309986,1cyclictest3734-21cut21:35:163
223309986,1cyclictest32273-21taskset19:25:173
223309986,1cyclictest31716-21ls21:25:193
223309986,1cyclictest31025-21expr20:25:143
223309986,1cyclictest30590-21expr22:25:143
223309986,1cyclictest30281-21telnet23:30:133
223309986,1cyclictest296582sleep322:21:593
223309986,1cyclictest28898-21cut20:20:183
223309986,1cyclictest28853-21expr23:25:173
223309986,1cyclictest28274-21sed00:25:173
223309986,1cyclictest266322sleep320:15:203
223309986,1cyclictest26097-21expr19:15:153
223309986,1cyclictest2561-21chrt00:35:583
223309986,1cyclictest25204-21expr22:15:173
223309986,1cyclictest25128-21tr23:20:153
223309986,1cyclictest23488-21chrt22:10:173
223309986,1cyclictest23290-21hwlatdetect20:10:153
223309986,1cyclictest22974-21tr19:10:153
223309986,1cyclictest22974-21tr19:10:143
223309986,1cyclictest2262-21grep23:35:213
223309986,1cyclictest22343-21chrt00:15:163
223309986,1cyclictest20827-21sed23:10:173
223309986,1cyclictest20172-21tr20:05:133
223309986,1cyclictest19870-21tr00:10:153
223309986,1cyclictest19479-21egrep22:05:143
223309986,1cyclictest17958-21head20:00:163
223309986,1cyclictest17050-21cut23:05:133
223309986,1cyclictest16970-21tr21:00:143
223309986,1cyclictest15377-21cut20:55:163
223309986,1cyclictest14953-21expr19:55:143
223309986,1cyclictest14724-21uniq00:00:153
223309986,1cyclictest14631-21expr23:00:143
223309986,1cyclictest1419-21cut21:30:183
223309986,1cyclictest14123-21chrt19:52:013
223309986,1cyclictest13845-21cat21:55:013
223309986,1cyclictest13648-21chrt22:55:253
223309986,1cyclictest13435-21head20:50:263
223309986,1cyclictest1326-21tr22:30:173
223309986,1cyclictest11584-21sh21:50:153
223309986,1cyclictest10967-21taskset23:51:213
223309986,1cyclictest10679-21sed22:50:243
223299986,1cyclictest8782-21chrt19:41:282
223299986,1cyclictest27981-21head20:20:152
223299986,1cyclictest22297-21cut21:10:132
223299986,1cyclictest20456-21cat21:05:182
223299986,1cyclictest18243-21head23:05:182
223299986,1cyclictest14901-21if_err_enp2s020:55:162
223299986,1cyclictest11114-21bc21:50:132
11959180,0ptp4l0-21swapper/322:04:203
11959180,0ptp4l0-21swapper/222:25:322
223309976,1cyclictest7097-21ntp_states22:40:193
223309976,1cyclictest27702-21basename21:20:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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