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2026-07-19 - 19:17

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 Sun Jul 19, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119591640,33ptp4l0-21swapper/007:09:480
119591600,31ptp4l0-21swapper/107:07:101
2133125147,2sleep30-21swapper/307:07:153
2125725046,2sleep20-21swapper/207:06:192
124192420,0sleep30-21swapper/308:50:203
119591310,0ptp4l0-21swapper/010:40:240
119591210,0ptp4l0-21swapper/007:45:260
2180799183,1cyclictest25-21ksoftirqd/107:45:181
119591180,0ptp4l0-21swapper/211:40:172
119591160,1ptp4l5521-21apt-get08:40:131
119591160,0ptp4l0-21swapper/110:45:191
119591160,0ptp4l0-21swapper/107:10:141
119591160,0ptp4l0-21swapper/010:05:150
119591160,0ptp4l0-21swapper/009:35:200
119591160,0ptp4l0-21swapper/007:15:140
119591150,2ptp4l12680-21cat08:50:221
119591150,1ptp4l8718-21snmp_o5powerctl11:45:230
119591150,1ptp4l31771-21ls07:25:180
119591150,1ptp4l30081-21diskstats09:25:141
119591150,1ptp4l29001-21snmp_o5powerctl08:20:210
119591150,1ptp4l28173-21sed11:20:240
119591150,1ptp4l27507-21snmp_o5powerctl12:20:221
119591150,1ptp4l27507-21snmp_o5powerctl12:20:211
119591150,1ptp4l19905-21snmp_o5powerctl11:05:211
119591150,1ptp4l14594-21snmp_o5powerctl10:55:220
119591150,1ptp4l12780-21ntp_states07:50:201
119591150,1ptp4l11720-21ls09:50:170
119591150,1ptp4l1109-21perf12:35:000
119591150,0ptp4l0-21swapper/111:25:141
119591150,0ptp4l0-21swapper/110:10:121
119591150,0ptp4l0-21swapper/011:50:130
119591150,0ptp4l0-21swapper/009:40:110
119591150,0ptp4l0-21swapper/008:30:170
119591150,0ptp4l0-21swapper/007:55:140
119591140,1ptp4l7193-21snmp_o5powerctl08:40:240
119591140,1ptp4l4467-21mailstats08:35:200
119591140,1ptp4l326-21fschecks_time09:30:150
119591140,1ptp4l32446-21/usr/sbin/munin10:30:170
119591140,1ptp4l31273-21snmp_o5powerctl09:25:210
119591140,1ptp4l27080-21aten2.4-expect09:20:140
119591140,1ptp4l24838-21snmp_o5powerctl12:15:221
119591140,1ptp4l24120-21sed09:15:010
119591140,1ptp4l21887-21grep12:10:180
119591140,1ptp4l19579-21perl09:05:160
119591140,1ptp4l17510-21ntp_states09:00:201
119591140,1ptp4l17429-21sed11:00:231
119591140,1ptp4l1736-21/usr/sbin/munin11:35:110
119591140,1ptp4l17075-21irqstats10:00:170
119591140,1ptp4l16809-21hddtemp_smartct09:00:150
119591140,1ptp4l16713-21apt-get08:00:120
119591140,1ptp4l14302-21if_err_enp3s008:55:190
119591140,1ptp4l1251-21phc2sys09:30:211
119591140,0ptp4l31130-21apt-get12:30:141
119591140,0ptp4l23602-21ls07:10:240
119591140,0ptp4l0-21swapper/211:25:132
119591140,0ptp4l0-21swapper/211:05:152
119591140,0ptp4l0-21swapper/208:55:242
119591140,0ptp4l0-21swapper/208:10:222
119591140,0ptp4l0-21swapper/112:35:191
119591140,0ptp4l0-21swapper/112:10:141
119591140,0ptp4l0-21swapper/111:50:131
119591140,0ptp4l0-21swapper/111:17:591
119591140,0ptp4l0-21swapper/111:12:161
119591140,0ptp4l0-21swapper/110:55:241
119591140,0ptp4l0-21swapper/110:50:011
119591140,0ptp4l0-21swapper/110:30:241
119591140,0ptp4l0-21swapper/110:19:071
119591140,0ptp4l0-21swapper/110:00:021
119591140,0ptp4l0-21swapper/109:55:221
119591140,0ptp4l0-21swapper/109:40:111
119591140,0ptp4l0-21swapper/109:05:191
119591140,0ptp4l0-21swapper/108:35:121
119591140,0ptp4l0-21swapper/108:25:251
119591140,0ptp4l0-21swapper/108:20:221
119591140,0ptp4l0-21swapper/108:00:211
119591140,0ptp4l0-21swapper/107:43:011
119591140,0ptp4l0-21swapper/107:30:211
119591140,0ptp4l0-21swapper/012:00:230
119591140,0ptp4l0-21swapper/011:55:010
119591140,0ptp4l0-21swapper/011:30:230
119591140,0ptp4l0-21swapper/010:50:020
119591140,0ptp4l0-21swapper/008:05:150
119591140,0ptp4l0-21swapper/007:40:160
119591130,1ptp4l25884-21/usr/sbin/munin12:20:130
119591130,1ptp4l25884-21/usr/sbin/munin12:20:120
119591130,0ptp4l0-21swapper/211:55:212
119591130,0ptp4l0-21swapper/211:00:102
119591130,0ptp4l0-21swapper/209:55:202
119591130,0ptp4l0-21swapper/209:40:192
119591130,0ptp4l0-21swapper/208:05:192
119591130,0ptp4l0-21swapper/207:55:182
119591130,0ptp4l0-21swapper/207:25:212
119591130,0ptp4l0-21swapper/207:15:192
119591130,0ptp4l0-21swapper/112:25:141
119591130,0ptp4l0-21swapper/112:05:191
119591130,0ptp4l0-21swapper/112:00:251
119591130,0ptp4l0-21swapper/111:45:161
119591130,0ptp4l0-21swapper/111:40:131
119591130,0ptp4l0-21swapper/111:35:101
119591130,0ptp4l0-21swapper/111:30:131
119591130,0ptp4l0-21swapper/111:20:131
119591130,0ptp4l0-21swapper/110:40:171
119591130,0ptp4l0-21swapper/110:35:171
119591130,0ptp4l0-21swapper/110:25:151
119591130,0ptp4l0-21swapper/110:20:121
119591130,0ptp4l0-21swapper/110:05:131
119591130,0ptp4l0-21swapper/109:50:121
119591130,0ptp4l0-21swapper/109:45:181
119591130,0ptp4l0-21swapper/109:35:141
119591130,0ptp4l0-21swapper/109:20:151
119591130,0ptp4l0-21swapper/109:15:181
119591130,0ptp4l0-21swapper/109:10:141
119591130,0ptp4l0-21swapper/108:55:191
119591130,0ptp4l0-21swapper/108:45:191
119591130,0ptp4l0-21swapper/108:30:181
119591130,0ptp4l0-21swapper/108:15:121
119591130,0ptp4l0-21swapper/108:10:151
119591130,0ptp4l0-21swapper/108:05:201
119591130,0ptp4l0-21swapper/108:00:011
119591130,0ptp4l0-21swapper/107:35:141
119591130,0ptp4l0-21swapper/107:25:161
119591130,0ptp4l0-21swapper/107:20:161
119591130,0ptp4l0-21swapper/107:15:151
119591130,0ptp4l0-21swapper/012:35:120
119591130,0ptp4l0-21swapper/012:25:130
119591130,0ptp4l0-21swapper/012:15:200
119591130,0ptp4l0-21swapper/012:05:130
119591130,0ptp4l0-21swapper/011:40:150
119591130,0ptp4l0-21swapper/011:25:140
119591130,0ptp4l0-21swapper/011:15:140
119591130,0ptp4l0-21swapper/011:10:110
119591130,0ptp4l0-21swapper/011:05:120
119591130,0ptp4l0-21swapper/011:00:160
119591130,0ptp4l0-21swapper/010:45:150
119591130,0ptp4l0-21swapper/010:35:140
119591130,0ptp4l0-21swapper/010:25:230
119591130,0ptp4l0-21swapper/010:20:140
119591130,0ptp4l0-21swapper/010:15:210
119591130,0ptp4l0-21swapper/010:10:130
119591130,0ptp4l0-21swapper/009:55:210
119591130,0ptp4l0-21swapper/009:45:150
119591130,0ptp4l0-21swapper/009:15:150
119591130,0ptp4l0-21swapper/008:50:200
119591130,0ptp4l0-21swapper/008:25:160
119591130,0ptp4l0-21swapper/008:15:130
119591130,0ptp4l0-21swapper/008:10:160
119591130,0ptp4l0-21swapper/007:50:140
119591130,0ptp4l0-21swapper/007:35:150
119591130,0ptp4l0-21swapper/007:30:210
119591130,0ptp4l0-21swapper/007:20:190
2180999121,5cyclictest0-21swapper/309:05:033
119591120,0ptp4l0-21swapper/211:15:132
119591120,0ptp4l0-21swapper/209:20:152
119591120,0ptp4l0-21swapper/209:10:212
119591120,0ptp4l0-21swapper/207:30:162
119591120,0ptp4l0-21swapper/111:55:131
119591120,0ptp4l0-21swapper/008:45:140
2180899111,2cyclictest0-21swapper/210:35:132
2180899110,5cyclictest0-21swapper/209:05:022
119591110,0ptp4l0-21swapper/210:20:222
119591110,0ptp4l0-21swapper/208:15:182
119591100,2ptp4l0-21swapper/207:45:272
119591100,0ptp4l0-21swapper/211:45:592
119591100,0ptp4l0-21swapper/210:53:242
119591100,0ptp4l0-21swapper/210:30:172
119591100,0ptp4l0-21swapper/209:54:532
119591100,0ptp4l0-21swapper/209:26:192
119591100,0ptp4l0-21swapper/209:03:312
119591100,0ptp4l0-21swapper/208:42:312
119591100,0ptp4l0-21swapper/208:26:092
218099997,1cyclictest9517-21wc09:45:243
218099997,1cyclictest8154-21taskset07:40:323
218099997,1cyclictest7539-21chrt09:44:593
218099997,1cyclictest4767-21expr11:40:143
218099997,1cyclictest43442sleep310:38:013
218099997,1cyclictest31918-21ntpq07:25:193
218099997,1cyclictest30831-21cat08:25:193
218099997,1cyclictest306072sleep312:26:373
218099997,1cyclictest28593-21mailstats09:20:223
218099997,1cyclictest27578-21expr08:20:133
218099997,1cyclictest25491-21grep11:15:243
218099997,1cyclictest16991-21cat09:00:163
218099997,1cyclictest16642-21sort08:00:023
218099997,1cyclictest16302sleep310:32:083
218099997,1cyclictest14737-21sh12:00:013
218099997,1cyclictest13522-21cat09:55:143
218099997,1cyclictest10964-21expr10:50:163
218089997,1cyclictest9480-21chrt10:45:432
218089997,1cyclictest6651-21cat10:40:232
218089997,1cyclictest28284-21expr07:20:152
218089997,1cyclictest1714-21head08:30:222
218089990,8cyclictest30507-21cat10:25:182
11959190,1ptp4l0-21swapper/210:01:242
11959190,0ptp4l0-21swapper/212:36:062
11959190,0ptp4l0-21swapper/212:27:322
11959190,0ptp4l0-21swapper/212:22:122
11959190,0ptp4l0-21swapper/212:22:112
11959190,0ptp4l0-21swapper/212:16:322
11959190,0ptp4l0-21swapper/212:10:592
11959190,0ptp4l0-21swapper/212:05:502
11959190,0ptp4l0-21swapper/211:51:052
11959190,0ptp4l0-21swapper/211:35:062
11959190,0ptp4l0-21swapper/211:30:092
11959190,0ptp4l0-21swapper/211:20:082
11959190,0ptp4l0-21swapper/211:12:302
11959190,0ptp4l0-21swapper/210:55:022
11959190,0ptp4l0-21swapper/210:18:252
11959190,0ptp4l0-21swapper/210:13:232
11959190,0ptp4l0-21swapper/210:07:282
11959190,0ptp4l0-21swapper/209:46:192
11959190,0ptp4l0-21swapper/209:36:332
11959190,0ptp4l0-21swapper/209:34:422
11959190,0ptp4l0-21swapper/209:15:072
11959190,0ptp4l0-21swapper/208:45:322
11959190,0ptp4l0-21swapper/208:36:322
11959190,0ptp4l0-21swapper/208:20:312
11959190,0ptp4l0-21swapper/208:04:242
11959190,0ptp4l0-21swapper/207:51:592
11959190,0ptp4l0-21swapper/207:41:392
11959190,0ptp4l0-21swapper/207:38:402
11959190,0ptp4l0-21swapper/207:11:272
218099986,1cyclictest8513-21expr08:45:143
218099986,1cyclictest7495-21cut10:45:143
218099986,1cyclictest7066-21cut11:45:143
218099986,1cyclictest6471-21grep10:40:233
218099986,1cyclictest5610-21aten2.4-expect08:40:153
218099986,1cyclictest557-21expr08:30:143
218099986,1cyclictest5567-21chrt07:36:373
218099986,1cyclictest4914-21chrt08:35:453
218099986,1cyclictest32312-21telnet09:30:133
218099986,1cyclictest31709-21tr11:30:153
218099986,1cyclictest31127-21bc12:30:133
218099986,1cyclictest30744-21cut09:25:173
218099986,1cyclictest3007-21uniq09:35:173
218099986,1cyclictest29300-21cut10:25:133
218099986,1cyclictest29178-21cat11:25:143
218099986,1cyclictest29086-21sed07:20:183
218099986,1cyclictest28256-21snmp_o5powerctl10:20:223
218099986,1cyclictest26525-21expr11:20:143
218099986,1cyclictest258012sleep312:20:053
218099986,1cyclictest258012sleep312:20:043
218099986,1cyclictest25325-21chrt12:17:013
218099986,1cyclictest24857-21chrt08:15:123
218099986,1cyclictest24852-21fschecks_time07:15:033
218099986,1cyclictest24611-21cat09:15:143
218099986,1cyclictest240502sleep307:12:353
218099986,1cyclictest24042-21grep10:15:123
218099986,1cyclictest23224-21grep09:10:193
218099986,1cyclictest22057-21hostname08:10:133
218099986,1cyclictest2185-21expr11:35:123
218099986,1cyclictest2177-21cat07:30:223
218099986,1cyclictest21544-21cut12:10:163
218099986,1cyclictest21468-21cut11:10:133
218099986,1cyclictest21438-21chrt08:05:593
218099986,1cyclictest20905-21taskset10:08:453
218099986,1cyclictest2025-21head12:35:153
218099986,1cyclictest19925-21chrt11:05:223
218099986,1cyclictest19076-21chrt08:04:393
218099986,1cyclictest17763-21aten_r9power_vo12:05:133
218099986,1cyclictest17487-21grep11:00:233
218099986,1cyclictest16948-21sed12:00:243
218099986,1cyclictest16010-21aten_r9power_en10:00:133
218099986,1cyclictest13539-21aten_r9power_po08:55:143
218099986,1cyclictest13493-21cut10:55:153
218099986,1cyclictest11519-21tr09:50:163
218099986,1cyclictest10930-21taskset07:47:143
218099986,1cyclictest10073-21cat11:50:153
218089986,1cyclictest32090-21cut12:30:182
218089986,1cyclictest11123-21expr08:50:122
11959180,0ptp4l0-21swapper/212:00:032
218099975,1cyclictest22035-21if_enp3s010:10:163
218099975,1cyclictest11436-21aten_r9power_en07:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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