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2025-12-01 - 11:19

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #8

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 rack0slot8s.osadl.org (updated Mon Dec 01, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2759911170,105ptp4l0-21swapper/119:05:141
1288226754,10sleep50-21swapper/519:05:247
1052526654,10sleep00-21swapper/019:05:080
1362426554,9sleep110-21swapper/1119:06:553
1374026454,8sleep40-21swapper/419:08:366
1376926351,10sleep70-21swapper/719:09:049
1356826151,8sleep60-21swapper/619:06:148
1373326050,8sleep100-21swapper/1019:08:312
184622560,0sleep20-21swapper/221:20:004
168782540,0sleep100-21swapper/1020:35:152
1420399283,20cyclictest0-21swapper/421:35:006
1423299250,1cyclictest0-21swapper/1020:50:282
1420399221,7cyclictest0-21swapper/419:35:016
1420399212,15cyclictest0-21swapper/400:20:016
1420399212,15cyclictest0-21swapper/400:20:006
1420399211,15cyclictest0-21swapper/422:00:016
1420399191,14cyclictest0-21swapper/423:30:006
1419499194,10cyclictest0-21swapper/200:40:004
1419499194,10cyclictest0-21swapper/200:40:004
1419499193,11cyclictest0-21swapper/220:40:004
275991180,0ptp4l0-21swapper/122:50:001
113382188,7sleep80-21swapper/819:05:1610
1422899171,16cyclictest0-21swapper/919:25:1511
1422399170,16cyclictest0-21swapper/821:30:1710
1421999172,8cyclictest0-21swapper/700:00:019
1421999172,8cyclictest0-21swapper/700:00:009
1419899176,7cyclictest12641-21kworker/u24:022:55:005
1419899173,7cyclictest0-21swapper/320:59:595
1419899172,9cyclictest0-21swapper/319:55:005
1419499173,9cyclictest0-21swapper/222:20:004
1419499173,9cyclictest0-21swapper/219:25:014
1418999173,8cyclictest0-21swapper/120:00:011
100112170,0sleep00-21swapper/021:50:130
275991160,1ptp4l21-21ksoftirqd/120:15:141
275991160,0ptp4l0-21swapper/122:30:191
275991160,0ptp4l0-21swapper/120:40:001
275991160,0ptp4l0-21swapper/120:05:121
275991160,0ptp4l0-21swapper/119:45:141
1423299160,15cyclictest0-21swapper/1022:10:172
1422899163,8cyclictest0-21swapper/923:35:0111
1422899162,8cyclictest0-21swapper/923:00:0011
14223991612,2cyclictest0-21swapper/821:15:1810
1420899163,8cyclictest0-21swapper/523:35:007
1420399162,9cyclictest0-21swapper/400:15:206
1420399161,2cyclictest0-21swapper/422:50:196
1419899163,8cyclictest0-21swapper/320:35:015
275991150,6ptp4l21-21ksoftirqd/121:55:161
275991150,1ptp4l21-21ksoftirqd/123:15:171
275991150,1ptp4l21-21ksoftirqd/121:45:231
275991150,1ptp4l21-21ksoftirqd/119:15:211
275991150,1ptp4l21-21ksoftirqd/100:00:251
275991150,0ptp4l0-21swapper/122:40:171
275991150,0ptp4l0-21swapper/120:50:001
1423799153,8cyclictest0-21swapper/1119:40:003
1422899152,8cyclictest0-21swapper/921:05:0011
1422899152,7cyclictest0-21swapper/900:30:0111
1422899152,7cyclictest0-21swapper/900:30:0011
14228991512,2cyclictest0-21swapper/921:25:1711
1422399153,7cyclictest0-21swapper/823:20:0010
1422399152,8cyclictest0-21swapper/823:39:5910
1422399152,7cyclictest0-21swapper/820:49:5910
1421999151,9cyclictest0-21swapper/720:15:019
1420899153,7cyclictest0-21swapper/522:30:267
1419899152,8cyclictest0-21swapper/321:24:595
1419499152,8cyclictest0-21swapper/221:30:264
1419499152,10cyclictest0-21swapper/223:35:264
1418999153,7cyclictest0-21swapper/100:25:001
1418999153,7cyclictest0-21swapper/100:25:001
1418999151,9cyclictest0-21swapper/123:15:001
71322140,0sleep40-21swapper/423:10:156
275991140,1ptp4l21-21ksoftirqd/123:27:231
275991140,0ptp4l22951-21gltestperf23:30:151
275991140,0ptp4l0-21swapper/122:35:141
255182140,0sleep90-21swapper/922:10:1211
1423799142,8cyclictest0-21swapper/1119:20:003
1423799140,1cyclictest0-21swapper/1120:50:283
1423299142,7cyclictest0-21swapper/1019:30:252
1422899142,8cyclictest0-21swapper/923:25:0111
1422899142,7cyclictest0-21swapper/922:35:0011
1422899142,7cyclictest0-21swapper/919:35:2611
1422899142,6cyclictest0-21swapper/920:35:2611
1422399143,7cyclictest0-21swapper/821:09:5910
1422399143,7cyclictest0-21swapper/820:40:0110
1422399142,7cyclictest0-21swapper/819:30:0110
1422399142,7cyclictest0-21swapper/800:40:0110
1422399142,7cyclictest0-21swapper/800:40:0010
1421999142,7cyclictest0-21swapper/722:19:599
1421999142,7cyclictest0-21swapper/719:50:269
1421999141,9cyclictest11046-21kworker/u24:100:35:019
1421999141,9cyclictest11046-21kworker/u24:100:35:019
1421999140,8cyclictest0-21swapper/700:30:009
1421999140,8cyclictest0-21swapper/700:29:599
1420899143,7cyclictest0-21swapper/520:45:007
1420399141,2cyclictest0-21swapper/423:00:186
1419499143,9cyclictest0-21swapper/222:40:004
1419499143,7cyclictest0-21swapper/222:49:594
1419499143,7cyclictest0-21swapper/222:10:234
275991130,3ptp4l0-21swapper/121:40:151
275991130,1ptp4l21-21ksoftirqd/121:12:241
275991130,1ptp4l21-21ksoftirqd/120:55:231
275991130,1ptp4l21-21ksoftirqd/119:40:241
275991130,1ptp4l21-21ksoftirqd/119:33:251
275991130,0ptp4l0-21swapper/123:45:171
275991130,0ptp4l0-21swapper/122:00:261
199382130,0sleep60-21swapper/619:15:158
1422899132,7cyclictest0-21swapper/900:10:1911
1422899132,6cyclictest0-21swapper/923:05:0111
1422399131,8cyclictest12641-21kworker/u24:021:45:0010
1422399131,7cyclictest0-21swapper/820:55:0010
1421999132,7cyclictest0-21swapper/723:00:259
1421999132,7cyclictest0-21swapper/700:20:009
1421999132,6cyclictest0-21swapper/719:10:269
1420899133,6cyclictest0-21swapper/500:05:017
1419899133,7cyclictest0-21swapper/321:40:005
1419899133,6cyclictest0-21swapper/323:55:015
1419899132,7cyclictest0-21swapper/319:55:235
1418999132,7cyclictest0-21swapper/122:15:261
1418999130,2cyclictest0-21swapper/123:05:191
275991120,1ptp4l21-21ksoftirqd/121:05:151
275991120,1ptp4l21-21ksoftirqd/120:45:261
275991120,1ptp4l21-21ksoftirqd/100:15:171
275991120,0ptp4l0-21swapper/122:20:171
275991120,0ptp4l0-21swapper/121:01:421
275991120,0ptp4l0-21swapper/100:35:451
275991120,0ptp4l0-21swapper/100:35:451
275991120,0ptp4l0-21swapper/100:10:301
1423799128,3cyclictest26710-21cut22:54:593
1423799121,7cyclictest10472-21diskmemload22:00:003
1423299123,6cyclictest0-21swapper/1000:25:012
1423299123,6cyclictest0-21swapper/1000:25:002
1423299122,6cyclictest0-21swapper/1000:20:222
1423299122,6cyclictest0-21swapper/1000:20:222
1422399122,6cyclictest0-21swapper/800:00:2510
1421999122,7cyclictest0-21swapper/721:20:009
1421999122,6cyclictest0-21swapper/722:50:019
1421999121,6cyclictest0-21swapper/720:20:269
1420899122,6cyclictest0-21swapper/519:50:007
1420899120,11cyclictest22544-21sed00:15:147
1420399121,6cyclictest0-21swapper/421:35:256
1419899123,6cyclictest0-21swapper/323:20:005
1419499120,7cyclictest0-21swapper/221:15:004
1418599122,6cyclictest0-21swapper/021:25:000
275991110,2ptp4l4905-21diskstats22:25:151
275991110,2ptp4l30618-21hddtemp_smartct20:10:181
275991110,2ptp4l19472-21diskstats21:20:131
275991110,1ptp4l21-21ksoftirqd/100:30:231
275991110,1ptp4l21-21ksoftirqd/100:30:231
275991110,1ptp4l0-21swapper/122:10:161
275991110,1ptp4l0-21swapper/122:05:151
275991110,1ptp4l0-21swapper/120:35:261
275991110,0ptp4l0-21swapper/123:24:501
275991110,0ptp4l0-21swapper/121:50:201
275991110,0ptp4l0-21swapper/120:24:291
275991110,0ptp4l0-21swapper/119:37:121
275991110,0ptp4l0-21swapper/119:25:131
275991110,0ptp4l0-21swapper/119:10:221
1423799112,6cyclictest0-21swapper/1120:05:013
1423299110,10cyclictest0-21swapper/1022:29:552
1422899113,7cyclictest0-21swapper/900:35:0011
1422899113,7cyclictest0-21swapper/900:35:0011
1421999119,1cyclictest14378-21cut21:14:599
1421999112,5cyclictest0-21swapper/721:00:009
1421299110,10cyclictest0-21swapper/622:15:188
1420899118,3cyclictest0-21swapper/523:00:147
1420899112,6cyclictest0-21swapper/519:30:017
1420899110,10cyclictest22616-21fschecks_count20:00:157
1420899110,10cyclictest0-21swapper/500:11:587
1419899118,2cyclictest3555-21munin-run00:35:005
1419899118,2cyclictest3555-21munin-run00:34:595
1419899112,6cyclictest0-21swapper/323:45:005
1419899110,10cyclictest10529-21perl21:50:155
1419499118,2cyclictest0-21swapper/221:00:184
1419499113,7cyclictest0-21swapper/200:15:014
1419499112,8cyclictest0-21swapper/200:25:014
1419499112,8cyclictest0-21swapper/200:25:004
1419499110,10cyclictest8509-21awk19:40:214
1418599112,5cyclictest0-21swapper/019:40:240
1418599112,2cyclictest0-21swapper/023:00:180
115292110,0sleep60-21swapper/621:50:198
275991100,1ptp4l5584-21expr23:50:141
275991100,1ptp4l31231-21taskset21:35:161
275991100,1ptp4l30552-21latency_hist22:59:591
275991100,1ptp4l27306-21cut21:30:161
275991100,1ptp4l26229-21chrt21:29:591
275991100,0ptp4l0-21swapper/123:55:181
275991100,0ptp4l0-21swapper/123:55:171
275991100,0ptp4l0-21swapper/122:50:241
275991100,0ptp4l0-21swapper/120:00:171
275991100,0ptp4l0-21swapper/119:20:231
215332100,0chrt0-21swapper/1122:05:133
1423799100,9cyclictest30366-21munin-run23:00:003
1423799100,5cyclictest0-21swapper/1119:44:563
1423299102,5cyclictest0-21swapper/1000:05:012
1422899100,9cyclictest0-21swapper/921:55:2311
1422399108,1cyclictest10383-21fschecks_count21:50:1410
1422399102,4cyclictest0-21swapper/822:10:0010
1420899104,5cyclictest5879-21turbostat23:14:557
1420899104,5cyclictest5877-21latency_hist19:40:017
1420899104,5cyclictest21963-21latency_hist21:25:007
1420899101,8cyclictest28201-21turbostat00:25:007
1420899101,8cyclictest28201-21turbostat00:24:597
1420899100,9cyclictest7278-21switchtime23:50:247
1420899100,9cyclictest6850-21cpuspeed_turbos19:40:147
1420899100,9cyclictest6052-21cpuspeed_turbos21:45:137
1420899100,9cyclictest5171-21fschecks_time22:25:167
1420899100,9cyclictest505-21cpuspeed_turbos00:30:157
1420899100,9cyclictest505-21cpuspeed_turbos00:30:147
1420899100,9cyclictest4930-21chrt21:42:307
1420899100,9cyclictest4883-21aten2_r3power_c20:20:147
1420899100,9cyclictest4221-21fschecks_count21:00:157
1420899100,9cyclictest32022-21timerandwakeup120:10:267
1420899100,9cyclictest28263-21gltestperf19:25:137
1420899100,9cyclictest27933-21fschecks_count22:55:157
1420899100,9cyclictest26629-21cat22:10:187
1420899100,9cyclictest26500-21fschecks_count23:35:167
1420899100,9cyclictest24077-21sort22:50:177
1420899100,9cyclictest2404-21irqrtprio23:45:187
1420899100,9cyclictest22193-21gltestperf22:05:177
1420899100,9cyclictest21632-21processes22:45:227
1420899100,9cyclictest21081-21irqrtprio19:15:207
1420899100,9cyclictest19973-21date20:40:017
1420899100,9cyclictest19394-21irqrtprio19:55:177
1420899100,9cyclictest18329-21grep23:25:127
1420899100,9cyclictest16210-21cut00:05:007
1420899100,9cyclictest16036-21cpuspeed_turbos22:40:137
1420899100,9cyclictest15815-21timerandwakeup21:55:267
1420899100,9cyclictest15189-21expr21:15:137
1420899100,9cyclictest12165-21cut22:35:157
1420899100,9cyclictest11375-21taskset23:15:167
1420899100,9cyclictest10755-21needreboot20:25:217
1420899100,7cyclictest0-21swapper/520:15:027
1420899100,1cyclictest0-21swapper/522:00:347
1420899100,1cyclictest0-21swapper/521:53:137
1420899100,1cyclictest0-21swapper/519:24:287
1419499107,2cyclictest0-21swapper/223:05:204
1419499100,9cyclictest0-21swapper/220:10:214
1418999100,9cyclictest10472-21diskmemload00:28:131
1418999100,9cyclictest10472-21diskmemload00:28:121
1418599102,5cyclictest0-21swapper/023:10:260
1418599101,5cyclictest0-21swapper/000:10:010
1418599100,6cyclictest0-21swapper/022:55:000
1418599100,6cyclictest0-21swapper/022:30:000
27609190,3phc2sys0-21swapper/219:06:234
27599190,1ptp4l21-21ksoftirqd/123:40:011
27599190,1ptp4l21-21ksoftirqd/100:05:011
27599190,0ptp4l0-21swapper/123:35:151
27599190,0ptp4l0-21swapper/123:00:141
27599190,0ptp4l0-21swapper/121:15:141
27599190,0ptp4l0-21swapper/120:30:141
27599190,0ptp4l0-21swapper/120:25:141
27599190,0ptp4l0-21swapper/119:50:151
142379996,2cyclictest30372-21turbostat19:30:013
142379992,5cyclictest0-21swapper/1121:15:253
142379992,4cyclictest0-21swapper/1100:00:013
142379992,4cyclictest0-21swapper/1100:00:013
142379991,5cyclictest0-21swapper/1122:45:003
142329998,1cyclictest0-21swapper/1023:37:122
142329997,1cyclictest0-21swapper/1023:30:132
142329990,1cyclictest0-21swapper/1019:40:162
142289997,1cyclictest0-21swapper/923:50:0011
142289992,6cyclictest0-21swapper/923:15:0111
142289990,8cyclictest0-21swapper/900:18:0611
142239998,1cyclictest0-21swapper/823:05:2010
142239998,1cyclictest0-21swapper/819:20:2110
142239997,1cyclictest0-21swapper/819:55:0110
142239991,5cyclictest0-21swapper/823:20:0110
142239991,4cyclictest0-21swapper/821:45:2510
142199996,2cyclictest26799-21hddtemp_smartct20:05:159
142199992,5cyclictest0-21swapper/721:50:009
142199991,5cyclictest0-21swapper/722:40:269
142199991,5cyclictest0-21swapper/700:25:019
142199991,5cyclictest0-21swapper/700:25:019
142199990,9cyclictest0-21swapper/722:55:129
142199990,9cyclictest0-21swapper/721:55:189
142199990,8cyclictest0-21swapper/722:29:319
142199990,1cyclictest0-21swapper/723:50:159
142199990,1cyclictest0-21swapper/721:50:009
142199990,1cyclictest0-21swapper/720:40:149
142129998,1cyclictest0-21swapper/620:00:148
142129991,7cyclictest12641-21kworker/u24:022:40:008
142129990,8cyclictest0-21swapper/619:30:208
142129990,1cyclictest0-21swapper/600:35:168
142129990,1cyclictest0-21swapper/600:35:168
142089990,8cyclictest8878-21cat23:55:137
142089990,8cyclictest8878-21cat23:55:137
142089990,8cyclictest7507-21cpuspeed_turbos21:05:157
142089990,8cyclictest4405-21cpuspeed00:35:157
142089990,8cyclictest4405-21cpuspeed00:35:157
142089990,8cyclictest32616-21cut20:55:167
142089990,8cyclictest29593-21fschecks_count00:25:157
142089990,8cyclictest29593-21fschecks_count00:25:157
142089990,8cyclictest29454-21cut23:40:117
142089990,8cyclictest28746-21cpu22:15:147
142089990,8cyclictest27912-21wget20:50:137
142089990,8cyclictest26297-21chrt21:30:047
142089990,8cyclictest25627-21aten2_r3power_p20:05:117
142089990,8cyclictest2502-21cpu23:05:147
142089990,8cyclictest24548-21cat20:45:147
142089990,8cyclictest15032-21fschecks_count19:50:177
142089990,8cyclictest14803-21cpuspeed_turbos19:10:157
142089990,8cyclictest14054-21chrt23:20:057
142089990,8cyclictest12540-21aten2_r3power_c20:30:127
142089990,8cyclictest1215-21grep22:20:147
142089990,8cyclictest11042-21aten2_r3power_e21:10:137
142089990,8cyclictest0-21swapper/521:35:167
142089990,8cyclictest0-21swapper/521:25:167
142039995,3cyclictest2377-21sed23:45:176
142039992,5cyclictest14850irq/20-ata_piix21:25:006
141989996,2cyclictest7845-21pool20:20:285
141989996,2cyclictest26663-21kernelversion00:20:175
141989996,2cyclictest26663-21kernelversion00:20:165
141949990,3cyclictest15518-21uptime00:00:264
141859990,9cyclictest0-21swapper/021:10:140
141859990,8cyclictest21350-21cpuspeed_turbos00:15:080
141859990,8cyclictest18426-21cstates19:55:120
141859990,2cyclictest16798-21sensors_fan19:10:240
141859990,1cyclictest0-21swapper/019:40:010
9498080,0rtkit-daemon0-21swapper/823:50:2610
3069280,0chrt0-21swapper/620:15:218
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142039986,1cyclictest1020-21runrttasks20:58:266
142039980,8cyclictest0-21swapper/420:25:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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