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2025-12-03 - 10:41

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #6

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot6s.osadl.org (updated Wed Dec 03, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3297557999363,25cyclictest391ktimers/320:30:013
3297557999363,25cyclictest391ktimers/320:30:013
329755399771,52cyclictest0-21swapper/121:20:001
3297554997629,41cyclictest3309068-21/usr/sbin/munin20:15:212
3297554997629,41cyclictest3309068-21/usr/sbin/munin20:15:202
3297554997511,40cyclictest3329419-21/usr/sbin/munin22:15:212
3297554997411,55cyclictest3347259-21/usr/sbin/munin00:00:192
3297554997411,36cyclictest0-21swapper/222:55:012
329755499737,36cyclictest0-21swapper/221:15:012
329755499729,39cyclictest0-21swapper/220:45:012
3297554997227,25cyclictest3301379-21/usr/sbin/munin19:30:192
3297554997211,31cyclictest0-21swapper/219:45:192
3297554996849,14cyclictest0-21swapper/223:40:142
3297550996762,3cyclictest0-21swapper/000:00:120
3297554996517,22cyclictest0-21swapper/219:40:012
3297554996412,24cyclictest3300539-21/usr/sbin/munin19:25:192
3297554996322,19cyclictest0-21swapper/220:15:012
329755399604,29cyclictest0-21swapper/122:10:011
3297554995940,11cyclictest3350642-21apt-get00:20:162
3297554995934,13cyclictest0-21swapper/221:00:162
3297553995944,12cyclictest231ktimers/123:05:211
3297553995944,12cyclictest231ktimers/123:05:201
329755099591,5cyclictest0-21swapper/019:55:020
329755499588,30cyclictest0-21swapper/223:00:202
3297554995831,15cyclictest0-21swapper/222:05:122
3297554995740,12cyclictest3309933-21apt-get20:20:172
3297554995737,15cyclictest0-21swapper/200:05:132
3297554995737,12cyclictest3330584-21/usr/sbin/munin22:20:252
329755099571,49cyclictest0-21swapper/021:30:010
3297554995632,12cyclictest0-21swapper/221:20:162
3297554995629,12cyclictest0-21swapper/219:55:122
3297554995619,31cyclictest0-21swapper/221:15:262
329755399564,4cyclictest0-21swapper/120:35:021
3297554995545,4cyclictest3344727-21apt-get23:45:152
3297554995537,12cyclictest0-21swapper/223:50:172
3297554995537,12cyclictest0-21swapper/223:50:172
3297554995534,15cyclictest0-21swapper/219:50:172
3297554995531,16cyclictest0-21swapper/221:55:002
3297554995443,5cyclictest3338719-21apt-get23:10:162
3297554995436,10cyclictest3340420-21apt-get23:20:152
3297554995436,10cyclictest3340420-21apt-get23:20:152
3297554995434,14cyclictest0-21swapper/220:55:112
3297554995434,14cyclictest0-21swapper/220:50:142
3297554995430,12cyclictest0-21swapper/219:15:162
3297554995429,14cyclictest0-21swapper/220:30:152
3297554995429,14cyclictest0-21swapper/220:30:152
329755399544,6cyclictest0-21swapper/100:30:011
329755099541,39cyclictest0-21swapper/021:35:000
3297554995341,8cyclictest3351479-21munin-node00:25:122
3297554995339,10cyclictest3346405-21apt-get23:55:162
3297554995335,11cyclictest0-21swapper/222:00:142
3297554995332,10cyclictest0-21swapper/220:25:152
3297554995330,12cyclictest0-21swapper/222:35:162
3297554995329,13cyclictest3326453-21ptp4l21:55:272
3297554995327,18cyclictest3343516-21grep23:35:302
3297554995323,22cyclictest3314684-21grep20:45:312
3297554995323,22cyclictest3314684-21grep20:45:312
3297554995236,10cyclictest0-21swapper/220:05:152
3297554995234,11cyclictest0-21swapper/222:10:122
3297554995232,14cyclictest0-21swapper/219:40:142
3297554995230,9cyclictest0-21swapper/200:15:122
3297554995223,18cyclictest3324051-21grep21:40:302
3297554995136,10cyclictest3335053-21grep22:45:282
3297554995134,9cyclictest3312449-21apt-get20:35:182
3297554995133,13cyclictest0-21swapper/220:00:122
3297554995133,11cyclictest3342359-21/usr/sbin/munin23:30:242
3297554995131,14cyclictest3300104-21/usr/sbin/munin19:20:292
3297554995129,13cyclictest3298068-21/usr/sbin/munin19:10:272
329755399512,25cyclictest0-21swapper/100:20:011
3297554995035,9cyclictest3353799-21sshd00:38:232
3297554995033,11cyclictest3341867-21/usr/sbin/munin23:25:282
3297554995031,13cyclictest0-21swapper/222:40:152
329755099503,4cyclictest0-21swapper/019:40:020
3297554994932,13cyclictest3321163-21/usr/sbin/munin21:25:252
3297554994930,13cyclictest0-21swapper/200:30:132
3297554994929,10cyclictest0-21swapper/222:30:122
3297553994934,10cyclictest0-21swapper/120:15:001
3297550994941,4cyclictest21050irq/252-8000000.ethernet22:45:010
3297554994841,4cyclictest3336183-21apt-get22:55:132
3297554994831,10cyclictest0-21swapper/200:10:132
3297554994826,16cyclictest0-21swapper/222:25:212
3297554994822,14cyclictest0-21swapper/221:45:122
3297554994740,3cyclictest3322579-21apt-get21:35:152
3297554994732,10cyclictest3317697-21cut21:05:222
3297553994739,4cyclictest168350irq/126-8000000.ethernet-tx123:15:261
3297554994632,8cyclictest3338072-21dropbear23:05:222
3297554994632,8cyclictest3338072-21dropbear23:05:222
3297554994631,12cyclictest0-21swapper/223:15:112
3297554994630,12cyclictest0-21swapper/221:30:132
329755099461,39cyclictest0-21swapper/020:25:000
3297550994534,7cyclictest0-21swapper/022:00:000
3297550994532,8cyclictest0-21swapper/022:05:000
3297550994531,10cyclictest0-21swapper/019:25:000
3297550994523,19cyclictest21050irq/252-8000000.ethernet22:25:150
3297550994522,20cyclictest21050irq/252-8000000.ethernet21:45:130
3297550994511,30cyclictest0-21swapper/021:20:300
3297553994433,7cyclictest0-21swapper/121:05:001
3297553994433,6cyclictest3335087-21grep22:45:281
3297553994432,7cyclictest3315527-21grep20:50:301
329755099449,28cyclictest15-21rcuc/019:10:180
329755099444,27cyclictest3297547-21cyclictest00:05:210
3297550994438,2cyclictest0-21swapper/019:50:010
3297550994437,4cyclictest21250irq/208-8000000.ethernet23:50:240
3297550994437,4cyclictest21250irq/208-8000000.ethernet23:50:240
3297550994434,5cyclictest0-21swapper/000:20:000
3297550994433,8cyclictest3345295-21grep23:45:280
3297553994332,6cyclictest0-21swapper/122:35:311
3297553994329,9cyclictest0-21swapper/122:20:001
3297550994336,4cyclictest3337680-21munin-plugin-st23:05:000
3297550994331,8cyclictest3302790-21grep19:35:310
3297550994330,9cyclictest0-21swapper/023:35:300
3297550994329,10cyclictest0-21swapper/020:10:010
3297553994230,7cyclictest3348644-21grep00:05:301
3297553994227,10cyclictest0-21swapper/120:25:301
3297553994226,11cyclictest0-21swapper/123:30:221
3297550994231,8cyclictest0-21swapper/000:10:270
329755099421,35cyclictest0-21swapper/021:05:200
329755399419,11cyclictest14-21rcu_preempt21:00:011
3297553994133,4cyclictest0-21swapper/123:55:291
3297553994122,9cyclictest0-21swapper/123:45:281
3297550994134,4cyclictest3330924-21munin-plugin-st22:25:000
3297550994133,5cyclictest0-21swapper/021:00:000
3297550994126,10cyclictest0-21swapper/023:40:290
3297553994032,4cyclictest14-21rcu_preempt00:10:271
3297553994030,6cyclictest3310488-21unixbench_multi20:20:301
3297553994028,8cyclictest0-21swapper/119:45:281
3297553994025,7cyclictest0-21swapper/100:20:291
3297553994024,9cyclictest0-21swapper/119:30:211
329755399401,6cyclictest0-21swapper/121:35:011
3297550994033,5cyclictest3335984-21munin-plugin-st22:55:000
3297550994027,9cyclictest0-21swapper/022:45:280
3297550994020,18cyclictest0-21swapper/000:30:280
329755099401,4cyclictest0-21swapper/020:45:190
329755099401,4cyclictest0-21swapper/020:45:190
329755099401,36cyclictest0-21swapper/019:30:200
3297553993928,7cyclictest0-21swapper/121:05:291
3297553993925,9cyclictest0-21swapper/100:30:001
3297550993931,4cyclictest0-21swapper/023:00:000
329755099392,4cyclictest3329593-21sh22:15:230
329755099391,33cyclictest0-21swapper/023:20:140
329755099391,33cyclictest0-21swapper/023:20:140
3297554993825,8cyclictest3297562-21grep19:10:012
3297553993825,9cyclictest0-21swapper/119:35:311
3297553993824,9cyclictest0-21swapper/119:40:271
3297550993831,4cyclictest21250irq/208-8000000.ethernet23:25:200
3297550993829,6cyclictest0-21swapper/000:25:000
3297550993829,5cyclictest0-21swapper/022:15:000
3297550993829,5cyclictest0-21swapper/020:45:000
3297550993828,7cyclictest0-21swapper/020:50:300
3297553993730,4cyclictest3347896-21cron00:05:001
3297553993729,4cyclictest0-21swapper/121:45:291
3297553993727,6cyclictest0-21swapper/119:50:311
3297553993718,10cyclictest0-21swapper/122:50:291
3297550993728,6cyclictest3308811-21grep20:10:300
3297553993628,4cyclictest168350irq/126-8000000.ethernet-tx120:40:111
3297553993626,5cyclictest3310556-21kworker/u8:2-ext4-rsv-conversion20:35:011
3297553993626,5cyclictest3310556-21kworker/u8:2-ext4-rsv-conversion20:35:011
3297553993624,5cyclictest0-21swapper/119:25:291
3297553993622,9cyclictest0-21swapper/120:00:291
3297550993629,4cyclictest0-21swapper/021:15:000
3297550993624,9cyclictest0-21swapper/000:35:290
3297553993527,4cyclictest0-21swapper/120:05:281
3297553993527,4cyclictest0-21swapper/119:55:291
3297553993526,5cyclictest0-21swapper/123:25:271
3297553993523,8cyclictest3314704-21grep20:45:311
3297553993523,8cyclictest3314704-21grep20:45:311
3297553993520,8cyclictest0-21swapper/121:10:291
3297550993528,4cyclictest20050irq/27-20000000.i2c23:30:300
3297550993528,4cyclictest0-21swapper/020:35:130
3297550993520,9cyclictest0-21swapper/019:50:270
3297550993517,16cyclictest0-21swapper/023:10:220
329755099351,22cyclictest3294802-1kworker/0:2H+kblockd20:05:010
3297553993427,4cyclictest168350irq/126-8000000.ethernet-tx123:45:001
3297553993425,5cyclictest0-21swapper/122:25:281
3297553993422,8cyclictest0-21swapper/121:35:291
3297553993421,8cyclictest0-21swapper/123:35:301
329755099345,5cyclictest3323382-21gpgv21:40:010
3297550993429,3cyclictest3333216-21ptp4l22:35:290
3297550993429,3cyclictest20050irq/27-20000000.i2c21:40:130
3297550993428,4cyclictest3319752-21unixbench_multi21:15:280
3297550993427,4cyclictest21250irq/208-8000000.ethernet23:15:280
3297550993424,6cyclictest0-21swapper/000:25:300
3297550993422,8cyclictest0-21swapper/019:25:270
3297550993415,13cyclictest131ktimers/020:15:140
3297550993415,13cyclictest131ktimers/020:15:140
329755099340,2cyclictest3332060-21ssh22:30:190
3297553993322,7cyclictest231ktimers/121:55:121
3297553993319,8cyclictest0-21swapper/123:20:201
3297553993319,8cyclictest0-21swapper/123:20:201
329755099333,4cyclictest3328000-21/usr/sbin/munin22:05:220
3297550993327,4cyclictest21250irq/208-8000000.ethernet21:00:250
3297550993326,4cyclictest21250irq/208-8000000.ethernet23:05:150
3297550993326,4cyclictest21250irq/208-8000000.ethernet23:05:150
3297553993226,4cyclictest168350irq/126-8000000.ethernet-tx122:10:141
3297553993222,6cyclictest3324068-21grep21:40:301
3297553993222,6cyclictest0-21swapper/123:50:321
3297553993222,6cyclictest0-21swapper/123:50:311
3297553993219,7cyclictest0-21swapper/123:05:011
3297553993218,7cyclictest0-21swapper/119:15:051
3297553993216,11cyclictest0-21swapper/122:00:281
3297553993210,16cyclictest168350irq/126-8000000.ethernet-tx120:15:201
3297553993210,16cyclictest168350irq/126-8000000.ethernet-tx120:15:201
3297550993225,4cyclictest20050irq/27-20000000.i2c23:55:180
3297550993224,5cyclictest3297665-21date19:10:000
3297550993222,7cyclictest0-21swapper/021:55:010
3297553993122,4cyclictest0-21swapper/121:50:281
3297553993121,7cyclictest0-21swapper/122:20:291
3297553993119,8cyclictest0-21swapper/122:55:291
329755099312,4cyclictest3311668-21df20:30:170
329755099312,4cyclictest3311668-21df20:30:170
329755099311,25cyclictest0-21swapper/020:25:160
3297553993024,4cyclictest0-21swapper/100:35:131
3297553993021,5cyclictest0-21swapper/121:25:271
3297553993011,5cyclictest168350irq/126-8000000.ethernet-tx121:22:511
3297550993023,4cyclictest3298331-21kworker/u8:3+events_power_efficient19:15:180
329755399291,3cyclictest1668-21snmpd23:11:231
329755399291,26cyclictest0-21swapper/122:30:201
3297553992820,5cyclictest3297713-21/usr/sbin/munin19:10:121
3297553992820,5cyclictest22-21rcuc/119:20:301
3297553992615,8cyclictest0-21swapper/119:10:011
3297553992316,3cyclictest3334221-21grep22:40:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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