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2026-02-21 - 09:37
[ 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 376 highest latencies:
System rack9slot3s.osadl.org (updated Sat Feb 21, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119591680,31ptp4l0-21swapper/019:05:240
119591630,31ptp4l0-21swapper/119:06:261
244825245,2sleep30-21swapper/319:05:313
275425046,2sleep20-21swapper/219:09:262
300882490,1sleep030059-21perf21:00:010
59282420,0sleep20-21swapper/200:15:152
294012400,0sleep10-21swapper/100:00:141
119591200,0ptp4l0-21swapper/100:05:131
294592180,0sleep00-21swapper/019:55:200
119591180,0ptp4l0-21swapper/119:55:201
119591180,0ptp4l0-21swapper/100:25:181
119591180,0ptp4l0-21swapper/019:35:110
119591170,0ptp4l0-21swapper/122:50:141
119591170,0ptp4l0-21swapper/121:20:141
119591170,0ptp4l0-21swapper/120:50:111
119591160,1ptp4l980-21ls23:05:170
119591160,1ptp4l9365-21snmp_o5powerctl23:20:200
119591160,1ptp4l6697-21snmp_o5powerctl23:15:212
119591160,1ptp4l592-21apt-get20:05:030
119591160,1ptp4l509-21apt-get21:05:120
119591160,1ptp4l28090-21ls23:55:220
119591160,1ptp4l26770-21snmp_o5powerctl19:50:210
119591160,0ptp4l0-21swapper/123:55:171
119591160,0ptp4l0-21swapper/123:50:151
119591160,0ptp4l0-21swapper/100:20:161
119591160,0ptp4l0-21swapper/020:30:240
119591150,1ptp4l6914-21ls23:15:220
119591150,1ptp4l6287-21ls20:15:001
119591150,1ptp4l560-21ps23:05:172
119591150,1ptp4l4286-21ntp_states22:10:181
119591150,1ptp4l3657-21ls23:10:180
119591150,1ptp4l3596-21sed22:10:140
119591150,1ptp4l32069-21kworker/0:221:45:170
119591150,1ptp4l32014-21ntp_states20:00:191
119591150,1ptp4l31985-21snmp_o5powerctl21:00:221
119591150,1ptp4l21515-21ls20:40:220
119591150,1ptp4l21465-21snmp_o5powerctl19:40:210
119591150,1ptp4l18795-21snmp_o5powerctl19:35:211
119591150,1ptp4l16670-21ls00:35:190
119591150,1ptp4l15482-21irqstats20:30:181
119591150,0ptp4l29780-21apt-get22:00:130
119591150,0ptp4l0-21swapper/200:36:312
119591150,0ptp4l0-21swapper/122:30:421
119591150,0ptp4l0-21swapper/122:06:301
119591150,0ptp4l0-21swapper/122:06:291
119591150,0ptp4l0-21swapper/121:45:151
119591150,0ptp4l0-21swapper/121:29:081
119591150,0ptp4l0-21swapper/120:05:131
119591150,0ptp4l0-21swapper/119:50:231
119591150,0ptp4l0-21swapper/119:45:111
119591150,0ptp4l0-21swapper/100:30:131
119591150,0ptp4l0-21swapper/023:40:120
119591150,0ptp4l0-21swapper/021:30:130
119591150,0ptp4l0-21swapper/021:15:220
119591150,0ptp4l0-21swapper/019:30:120
119591150,0ptp4l0-21swapper/000:25:100
119591140,1ptp4l8568-21cat22:20:130
119591140,1ptp4l6333-21fschecks_count19:15:021
119591140,1ptp4l3321-21aten_r9power_vo21:10:120
119591140,1ptp4l30075-21cstates22:00:131
119591140,1ptp4l27735-21aten_r9power_vo20:55:131
119591140,1ptp4l2425-21aten2.4-expect23:10:131
119591140,1ptp4l22635-21snmp_o5powerctl23:45:200
119591140,1ptp4l2133-21ps21:05:201
119591140,1ptp4l19001-21hddtemp_smartct23:40:141
119591140,1ptp4l17681-21gltestperf20:35:131
119591140,1ptp4l17500-21irqrtprio21:35:160
119591140,1ptp4l17493-21df_inode20:35:130
119591140,1ptp4l16298-21head23:35:151
119591140,1ptp4l15383-21timerwakeupswit22:30:230
119591140,1ptp4l14283-21/usr/sbin/munin23:30:182
119591140,1ptp4l11882-21cut22:25:160
119591140,1ptp4l10290-21memory20:20:180
119591140,1ptp4l10205-21python21:20:200
119591140,0ptp4l994-21ls00:05:230
119591140,0ptp4l24145-21apt-get22:50:120
119591140,0ptp4l17356-21ls00:35:231
119591140,0ptp4l0-21swapper/200:30:212
119591140,0ptp4l0-21swapper/200:25:162
119591140,0ptp4l0-21swapper/123:45:141
119591140,0ptp4l0-21swapper/123:30:131
119591140,0ptp4l0-21swapper/123:20:131
119591140,0ptp4l0-21swapper/123:15:121
119591140,0ptp4l0-21swapper/122:40:171
119591140,0ptp4l0-21swapper/122:35:211
119591140,0ptp4l0-21swapper/122:25:121
119591140,0ptp4l0-21swapper/122:15:121
119591140,0ptp4l0-21swapper/121:50:151
119591140,0ptp4l0-21swapper/121:40:151
119591140,0ptp4l0-21swapper/121:35:171
119591140,0ptp4l0-21swapper/121:30:221
119591140,0ptp4l0-21swapper/121:15:141
119591140,0ptp4l0-21swapper/121:10:131
119591140,0ptp4l0-21swapper/120:40:211
119591140,0ptp4l0-21swapper/120:25:221
119591140,0ptp4l0-21swapper/120:20:141
119591140,0ptp4l0-21swapper/119:40:221
119591140,0ptp4l0-21swapper/119:30:381
119591140,0ptp4l0-21swapper/119:10:101
119591140,0ptp4l0-21swapper/100:15:171
119591140,0ptp4l0-21swapper/100:10:221
119591140,0ptp4l0-21swapper/023:35:200
119591140,0ptp4l0-21swapper/023:30:220
119591140,0ptp4l0-21swapper/023:25:110
119591140,0ptp4l0-21swapper/023:00:190
119591140,0ptp4l0-21swapper/022:45:190
119591140,0ptp4l0-21swapper/022:35:170
119591140,0ptp4l0-21swapper/021:40:120
119591140,0ptp4l0-21swapper/020:45:230
119591140,0ptp4l0-21swapper/020:10:170
119591140,0ptp4l0-21swapper/019:45:180
119591140,0ptp4l0-21swapper/000:20:130
119591140,0ptp4l0-21swapper/000:10:150
3060991312,0cyclictest0-21swapper/222:34:252
119591130,0ptp4l0-21swapper/222:35:172
119591130,0ptp4l0-21swapper/222:00:182
119591130,0ptp4l0-21swapper/221:45:132
119591130,0ptp4l0-21swapper/221:40:172
119591130,0ptp4l0-21swapper/221:10:192
119591130,0ptp4l0-21swapper/221:05:192
119591130,0ptp4l0-21swapper/221:00:202
119591130,0ptp4l0-21swapper/220:50:162
119591130,0ptp4l0-21swapper/220:40:162
119591130,0ptp4l0-21swapper/220:10:192
119591130,0ptp4l0-21swapper/219:50:142
119591130,0ptp4l0-21swapper/219:45:142
119591130,0ptp4l0-21swapper/219:40:162
119591130,0ptp4l0-21swapper/200:10:242
119591130,0ptp4l0-21swapper/200:05:172
119591130,0ptp4l0-21swapper/123:25:021
119591130,0ptp4l0-21swapper/123:05:151
119591130,0ptp4l0-21swapper/123:00:121
119591130,0ptp4l0-21swapper/122:55:131
119591130,0ptp4l0-21swapper/122:45:111
119591130,0ptp4l0-21swapper/122:20:121
119591130,0ptp4l0-21swapper/121:55:151
119591130,0ptp4l0-21swapper/120:45:131
119591130,0ptp4l0-21swapper/120:15:131
119591130,0ptp4l0-21swapper/119:25:121
119591130,0ptp4l0-21swapper/119:20:101
119591130,0ptp4l0-21swapper/023:50:120
119591130,0ptp4l0-21swapper/022:55:140
119591130,0ptp4l0-21swapper/022:40:120
119591130,0ptp4l0-21swapper/022:15:110
119591130,0ptp4l0-21swapper/022:05:170
119591130,0ptp4l0-21swapper/022:05:160
119591130,0ptp4l0-21swapper/021:55:150
119591130,0ptp4l0-21swapper/021:50:060
119591130,0ptp4l0-21swapper/021:25:120
119591130,0ptp4l0-21swapper/021:00:150
119591130,0ptp4l0-21swapper/020:50:130
119591130,0ptp4l0-21swapper/020:25:160
119591130,0ptp4l0-21swapper/020:15:020
119591130,0ptp4l0-21swapper/020:00:110
119591130,0ptp4l0-21swapper/019:25:140
119591130,0ptp4l0-21swapper/019:20:120
119591130,0ptp4l0-21swapper/019:15:160
119591130,0ptp4l0-21swapper/019:10:130
119591130,0ptp4l0-21swapper/000:30:140
119591130,0ptp4l0-21swapper/000:15:020
119591130,0ptp4l0-21swapper/000:00:130
306199123,7cyclictest0-21swapper/320:05:033
119591120,0ptp4l0-21swapper/223:20:192
119591120,0ptp4l0-21swapper/223:10:182
119591120,0ptp4l0-21swapper/222:40:182
119591120,0ptp4l0-21swapper/221:35:132
119591120,0ptp4l0-21swapper/220:15:222
306199118,2cyclictest2901-21basename22:10:113
306099113,4cyclictest0-21swapper/220:05:022
306099110,6cyclictest0-21swapper/223:55:122
119591110,0ptp4l0-21swapper/223:46:252
119591110,0ptp4l0-21swapper/220:20:132
119591110,0ptp4l0-21swapper/219:55:032
306199103,3cyclictest0-21swapper/323:25:123
119591100,1ptp4l17826-21cat20:35:142
119591100,1ptp4l0-21swapper/222:16:442
119591100,1ptp4l0-21swapper/222:06:422
119591100,1ptp4l0-21swapper/222:06:422
119591100,1ptp4l0-21swapper/200:23:282
119591100,0ptp4l0-21swapper/223:36:582
119591100,0ptp4l0-21swapper/222:26:162
119591100,0ptp4l0-21swapper/222:13:262
119591100,0ptp4l0-21swapper/221:28:302
30619997,1cyclictest8771-21cut23:20:153
30619997,1cyclictest8695-21chrt19:17:193
30619997,1cyclictest7081-21taskset23:15:413
30619997,1cyclictest5324-21taskset19:12:473
30619997,1cyclictest31169-21chrt00:02:513
30619997,1cyclictest30082-21grep21:00:013
30619997,1cyclictest26511-21tr23:55:133
30619997,1cyclictest26296-21taskset22:51:523
30619997,1cyclictest25362-21expr19:50:133
30619997,1cyclictest25210-21find23:50:193
30619997,1cyclictest21237-21chrt21:40:563
30619997,1cyclictest16758-21tr21:35:133
30619997,1cyclictest151112sleep300:33:463
30619990,8cyclictest1772-21cat22:05:223
30619990,8cyclictest1772-21cat22:05:213
30609997,1cyclictest31070-21wc23:00:212
30609997,1cyclictest24092-21df23:50:132
30609991,3cyclictest0-21swapper/222:55:122
11959190,0ptp4l0-21swapper/223:40:242
11959190,0ptp4l0-21swapper/223:26:542
11959190,0ptp4l0-21swapper/222:50:332
11959190,0ptp4l0-21swapper/222:45:072
11959190,0ptp4l0-21swapper/222:20:072
11959190,0ptp4l0-21swapper/221:55:262
11959190,0ptp4l0-21swapper/221:50:402
11959190,0ptp4l0-21swapper/221:31:262
11959190,0ptp4l0-21swapper/221:20:572
11959190,0ptp4l0-21swapper/221:16:502
11959190,0ptp4l0-21swapper/220:57:492
11959190,0ptp4l0-21swapper/220:45:012
11959190,0ptp4l0-21swapper/220:31:002
11959190,0ptp4l0-21swapper/220:01:592
11959190,0ptp4l0-21swapper/219:30:062
11959190,0ptp4l0-21swapper/219:26:552
11959190,0ptp4l0-21swapper/200:01:232
30619986,1cyclictest9675-21tail22:20:193
30619986,1cyclictest9561-21expr19:20:133
30619986,1cyclictest8863-21expr21:20:133
30619986,1cyclictest857-21expr21:05:133
30619986,1cyclictest8145-21chrt21:18:303
30619986,1cyclictest7903-21expr00:20:143
30619986,1cyclictest6428-21stty20:15:113
30619986,1cyclictest5674-21aten2.4-expect22:15:113
30619986,1cyclictest4746-21sort00:15:013
30619986,1cyclictest4068-21expr20:10:123
30619986,1cyclictest3854-21grep21:10:143
30619986,1cyclictest32242-21aten2.4-expect23:05:133
30619986,1cyclictest32140-21ls21:00:243
30619986,1cyclictest31814-21chrt23:04:233
30619986,1cyclictest315582sleep300:05:083
30619986,1cyclictest30387-21grep22:00:153
30619986,1cyclictest28703-21cat19:55:163
30619986,1cyclictest27913-21if_enp4s021:55:163
30619986,1cyclictest27682-21tr22:55:183
30619986,1cyclictest2632-21tr23:10:143
30619986,1cyclictest25195-21grep20:50:123
30619986,1cyclictest246322sleep319:47:183
30619986,1cyclictest22725-21cat22:45:183
30619986,1cyclictest22300-21seq20:45:043
30619986,1cyclictest21922-21cut21:45:133
30619986,1cyclictest214572sleep323:45:143
30619986,1cyclictest210172sleep322:42:083
30619986,1cyclictest20396-21grep19:40:153
30619986,1cyclictest20291-21grep20:40:143
30619986,1cyclictest1993-21basename00:10:133
30619986,1cyclictest18534-21tr23:40:143
30619986,1cyclictest18520-21head20:35:193
30619986,1cyclictest18168-21head22:35:223
30619986,1cyclictest17711-21chrt23:35:453
30619986,1cyclictest17217-21aten2.4-expect19:35:123
30619986,1cyclictest16761-21chrt19:33:323
30619986,1cyclictest15559-21cat20:30:173
30619986,1cyclictest154312sleep300:35:113
30619986,1cyclictest14251-21cat21:30:143
30619986,1cyclictest13781-21grep22:30:143
30619986,1cyclictest13495-21sort23:30:143
30619986,1cyclictest12914-21cat20:25:183
30619986,1cyclictest12537-21ls19:25:153
30619986,1cyclictest11527-21ls21:25:123
30619986,1cyclictest10846-21acpi22:25:113
30609986,1cyclictest6800-21cstates19:15:142
30609986,1cyclictest11737-21aten_r9power_cu20:25:132
11959180,0ptp4l0-21swapper/219:35:592
11959180,0ptp4l0-21swapper/219:21:402
11959180,0ptp4l0-21swapper/219:11:382
30619975,1cyclictest9182-21cut20:20:133
30619975,1cyclictest30857-21cut20:00:123
30619975,1cyclictest267852sleep321:54:083
30619975,1cyclictest11282-21cut00:25:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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