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2026-04-01 - 17:48

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 the 792 highest latencies:
System rackeslot6s.osadl.org (updated Wed Apr 01, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2530598996052,5cyclictest22-21rcuc/108:30:011
2530595996047,9cyclictest0-21swapper/009:50:020
2530598995946,9cyclictest231ktimers/108:35:131
2530595995648,5cyclictest2586984-21sendmail12:40:010
2530595995648,5cyclictest2586984-21sendmail12:40:000
253059899551,35cyclictest0-21swapper/109:00:001
2530595995549,4cyclictest0-21swapper/009:05:120
253059599552,7cyclictest2562222-21sed10:10:280
2530598995440,10cyclictest0-21swapper/111:50:291
253059599544,33cyclictest15-21rcuc/008:45:000
2530595995341,8cyclictest2579154-21grep11:50:300
2530598995238,9cyclictest0-21swapper/108:10:011
253059599522,8cyclictest2542504-21phc2sys08:15:260
2530600995143,5cyclictest2541050-21munin-plugin-st08:10:002
2530600995138,9cyclictest2549578-21run-parts09:00:002
2530595995141,2cyclictest0-21swapper/008:25:010
2530595995033,14cyclictest167350irq/118-8000000.ethernet-tx007:35:180
2530600994940,5cyclictest0-21swapper/209:15:002
2530598994833,10cyclictest0-21swapper/110:55:001
253059899483,22cyclictest22-21rcuc/108:45:001
2530595994841,4cyclictest167350irq/118-8000000.ethernet-tx009:30:250
2530595994841,4cyclictest167350irq/118-8000000.ethernet-tx009:30:250
2530600994737,5cyclictest2579379-21latency_hist11:55:002
2530600994734,8cyclictest0-21swapper/208:35:002
2530598994740,4cyclictest231ktimers/111:00:011
2530598994735,7cyclictest231ktimers/108:15:121
2530595994740,4cyclictest167350irq/118-8000000.ethernet-tx012:25:190
2530595994740,4cyclictest167350irq/118-8000000.ethernet-tx007:55:180
253060099467,21cyclictest2583820-21/usr/sbin/munin12:20:192
2530600994638,5cyclictest2541977-21munin-plugin-st08:15:002
2530600994638,5cyclictest2541977-21munin-plugin-st08:15:002
2530600994632,8cyclictest0-21swapper/212:30:282
2530598994631,10cyclictest0-21swapper/109:35:021
2530598994631,10cyclictest0-21swapper/109:35:011
2530595994638,4cyclictest167350irq/118-8000000.ethernet-tx011:00:180
253059599461,38cyclictest2584599-21latency_hist12:25:010
2530600994513,25cyclictest0-21swapper/211:55:242
2530600994513,25cyclictest0-21swapper/211:55:242
2530598994531,9cyclictest231ktimers/112:05:121
2530598994531,9cyclictest231ktimers/112:05:121
253059599453,5cyclictest2572250-21/usr/sbin/munin11:10:270
253059599452,40cyclictest2551540-21diskstats09:10:190
2530600994432,9cyclictest2551232-21grep09:05:282
2530598994430,9cyclictest0-21swapper/108:00:281
2530598994428,12cyclictest231ktimers/109:55:131
2530595994432,9cyclictest0-21swapper/009:40:260
2530598994338,2cyclictest0-21swapper/111:05:021
2530598994333,4cyclictest0-21swapper/109:10:271
2530598994331,8cyclictest231ktimers/107:20:151
253059899431,4cyclictest0-21swapper/107:30:011
253059599432,4cyclictest2579755-21irqstats11:55:250
253059599432,4cyclictest2579755-21irqstats11:55:240
253059599432,4cyclictest2572726-21diskstats11:15:180
253059599432,4cyclictest2558384-21entropy09:50:190
2530598994228,10cyclictest0-21swapper/107:35:301
253059599429,2cyclictest0-21swapper/012:05:000
2530595994236,4cyclictest2578266-21tail11:45:300
2530595994236,4cyclictest2578266-21tail11:45:300
2530595994235,4cyclictest167350irq/118-8000000.ethernet-tx009:35:230
2530595994235,4cyclictest0-21swapper/007:25:180
2530595994228,9cyclictest0-21swapper/008:50:210
2530595994228,9cyclictest0-21swapper/008:50:210
253059599422,37cyclictest0-21swapper/010:15:270
2530600994137,2cyclictest0-21swapper/209:45:012
2530600994127,10cyclictest2552954-21sendmail09:20:002
253059899414,30cyclictest0-21swapper/110:10:241
2530598994130,7cyclictest2575786-21grep11:30:291
2530598994128,9cyclictest0-21swapper/109:35:261
2530598994128,9cyclictest0-21swapper/107:10:291
2530598994128,8cyclictest0-21swapper/110:25:301
2530598994128,8cyclictest0-21swapper/110:25:301
2530598994124,12cyclictest231ktimers/108:45:121
2530595994133,4cyclictest0-21swapper/011:20:240
2530595994132,4cyclictest0-21swapper/008:45:200
2530595994125,10cyclictest0-21swapper/010:00:270
253059599411,4cyclictest2538172-21meminfo07:50:240
253059599411,38cyclictest0-21swapper/011:40:260
253059599411,38cyclictest0-21swapper/011:05:270
253059599411,38cyclictest0-21swapper/011:05:270
253059599411,37cyclictest0-21swapper/010:55:060
2530600994030,5cyclictest0-21swapper/210:25:302
2530600994030,5cyclictest0-21swapper/210:25:302
2530598994030,5cyclictest0-21swapper/108:50:291
2530598994030,5cyclictest0-21swapper/108:50:281
2530598994027,9cyclictest0-21swapper/109:25:271
2530598994026,9cyclictest0-21swapper/109:50:211
2530598994026,11cyclictest2560633-21dropbear10:03:481
2530598994024,13cyclictest231ktimers/111:55:151
2530598994024,13cyclictest231ktimers/111:55:151
2530595994033,3cyclictest2565212-21sh10:30:200
253059599402,3cyclictest2582239-21ssh12:10:190
2530595994023,9cyclictest0-21swapper/011:40:010
2530600993929,7cyclictest0-21swapper/212:19:592
2530600993927,8cyclictest0-21swapper/208:45:202
2530600993926,8cyclictest0-21swapper/211:10:012
2530600993926,8cyclictest0-21swapper/211:10:012
253060099391,30cyclictest2567888-21kernelversion10:45:242
2530598993930,5cyclictest167450irq/126-8000000.ethernet-tx111:20:241
2530598993930,5cyclictest0-21swapper/107:45:001
2530598993928,6cyclictest0-21swapper/112:20:231
2530598993927,8cyclictest231ktimers/110:15:111
2530598993927,6cyclictest2537622-21grep07:45:281
2530598993927,6cyclictest2537622-21grep07:45:281
2530598993926,9cyclictest2568243-21munin-plugin-st10:50:001
2530598993914,11cyclictest0-21swapper/109:45:011
2530595993934,2cyclictest0-21swapper/009:15:260
2530595993933,3cyclictest0-21swapper/007:10:250
2530595993931,5cyclictest15-21rcuc/008:30:010
2530595993927,9cyclictest2540110-21grep08:00:280
253059599391,36cyclictest0-21swapper/012:05:260
253059599391,36cyclictest0-21swapper/012:05:260
2530600993827,4cyclictest167550irq/134-8000000.ethernet-tx211:30:292
2530600993824,9cyclictest0-21swapper/211:30:002
2530600993818,11cyclictest0-21swapper/210:10:262
253059899383,28cyclictest0-21swapper/111:12:541
2530598993831,3cyclictest2532594-21sh07:20:001
2530598993825,9cyclictest231ktimers/112:30:121
253059899381,5cyclictest0-21swapper/110:45:011
2530595993833,2cyclictest0-21swapper/007:40:240
2530595993831,4cyclictest0-21swapper/012:30:120
2530595993829,6cyclictest0-21swapper/009:24:590
2530595993827,7cyclictest2533363-21grep07:20:290
253059599382,33cyclictest2554552-21unixbench_multi09:25:270
253059599381,35cyclictest0-21swapper/010:40:000
253059599381,35cyclictest0-21swapper/010:20:190
2530600993729,6cyclictest0-21swapper/209:55:202
2530600993728,5cyclictest0-21swapper/212:35:272
2530600993728,5cyclictest0-21swapper/212:35:272
2530600993727,6cyclictest0-21swapper/209:35:282
2530600993726,7cyclictest0-21swapper/207:25:002
2530600993725,8cyclictest0-21swapper/209:30:262
2530600993725,8cyclictest0-21swapper/209:30:262
253060099372,4cyclictest2572427-21users11:10:272
2530600993724,8cyclictest0-21swapper/212:25:282
253059899376,6cyclictest231ktimers/110:05:231
2530598993724,7cyclictest2538460-21grep07:50:291
2530598993724,10cyclictest231ktimers/112:35:111
2530598993724,10cyclictest231ktimers/112:35:111
2530598993723,11cyclictest231ktimers/111:25:131
2530598993717,15cyclictest231ktimers/112:00:111
2530595993729,5cyclictest2574876-21grep11:25:290
2530595993729,4cyclictest167350irq/118-8000000.ethernet-tx008:10:020
2530595993729,4cyclictest167350irq/118-8000000.ethernet-tx008:10:020
2530595993727,7cyclictest0-21swapper/009:55:290
2530595993727,6cyclictest2569028-21grep10:50:280
253059599372,28cyclictest0-21swapper/009:00:010
253059599371,34cyclictest0-21swapper/012:15:190
253059599371,34cyclictest0-21swapper/011:30:280
253059599371,34cyclictest0-21swapper/010:25:270
253059599371,34cyclictest0-21swapper/010:25:260
253059599371,34cyclictest0-21swapper/008:35:150
2530600993628,5cyclictest0-21swapper/210:30:262
2530600993628,4cyclictest2553704-21grep09:20:292
2530600993626,5cyclictest0-21swapper/208:35:292
2530600993624,9cyclictest0-21swapper/207:10:272
2530600993621,9cyclictest0-21swapper/210:55:232
253059899367,24cyclictest231ktimers/107:55:191
2530598993627,5cyclictest0-21swapper/107:35:011
2530598993625,7cyclictest2576556-21grep11:35:281
2530595993629,4cyclictest0-21swapper/008:05:130
2530595993626,7cyclictest2531957-21apt-get07:15:110
253059599361,7cyclictest15-21rcuc/010:05:290
253059599361,33cyclictest0-21swapper/008:33:350
2530600993529,4cyclictest167550irq/134-8000000.ethernet-tx207:50:272
2530600993528,4cyclictest167550irq/134-8000000.ethernet-tx210:35:292
2530600993523,8cyclictest0-21swapper/212:10:282
2530600993521,9cyclictest0-21swapper/207:45:192
2530600993521,9cyclictest0-21swapper/207:45:192
2530600993521,10cyclictest0-21swapper/207:30:282
2530598993527,5cyclictest0-21swapper/109:15:271
2530598993525,6cyclictest0-21swapper/112:10:281
2530598993525,5cyclictest0-21swapper/110:25:011
253059899351,2cyclictest0-21swapper/111:50:021
253059899351,2cyclictest0-21swapper/111:50:021
253059599351,4cyclictest1660-21snmpd07:10:010
2530600993428,3cyclictest167550irq/134-8000000.ethernet-tx208:15:202
2530600993423,7cyclictest0-21swapper/212:00:272
2530600993423,7cyclictest0-21swapper/208:40:272
2530598993426,4cyclictest2566552-21sendmail10:40:001
253059899341,10cyclictest0-21swapper/111:05:021
253059899341,10cyclictest0-21swapper/111:05:011
253059599342,5cyclictest2567603-21/usr/sbin/munin10:45:120
253059599342,29cyclictest2567509-21sed10:45:010
253059599341,31cyclictest0-21swapper/009:03:300
253059599341,31cyclictest0-21swapper/007:46:420
253059599341,31cyclictest0-21swapper/007:46:410
2530600993323,8cyclictest2568441-21/usr/sbin/munin10:50:252
253060099331,30cyclictest0-21swapper/208:25:272
253059899332,16cyclictest22-21rcuc/109:45:011
2530598993321,5cyclictest0-21swapper/111:15:181
253059899331,27cyclictest0-21swapper/111:40:261
2530600993228,2cyclictest0-21swapper/209:25:192
2530600993224,4cyclictest0-21swapper/207:40:112
2530600993222,7cyclictest0-21swapper/207:15:282
2530600993221,6cyclictest0-21swapper/211:45:302
2530600993221,6cyclictest0-21swapper/211:45:302
2530600993218,9cyclictest0-21swapper/208:50:262
2530600993218,9cyclictest0-21swapper/208:50:262
253060099321,28cyclictest2533993-21phc2sys-jitter07:25:262
253060099321,24cyclictest2556304-21kworker/u8:1+rpciod09:41:182
2530598993222,5cyclictest0-21swapper/112:15:181
253059899321,6cyclictest0-21swapper/108:25:011
253059899321,25cyclictest0-21swapper/109:20:161
2530600993120,7cyclictest0-21swapper/211:00:282
2530600993119,8cyclictest0-21swapper/210:15:272
2530600993118,7cyclictest0-21swapper/210:40:282
253060099311,4cyclictest0-21swapper/210:20:202
253059899313,15cyclictest2550359-21unixbench_singl09:00:291
253059899312,18cyclictest24-21ksoftirqd/109:05:111
253059899311,2cyclictest0-21swapper/110:35:001
2530595993123,5cyclictest0-21swapper/007:30:290
2530600993021,4cyclictest0-21swapper/210:05:222
2530600993019,7cyclictest311ktimers/211:40:112
2530598993019,6cyclictest2545241-21grep08:30:291
2530598993018,7cyclictest0-21swapper/112:25:281
253060099299,9cyclictest2558310-21/usr/sbin/munin09:50:192
2530600992921,6cyclictest2576097-21df11:35:182
2530600992921,4cyclictest0-21swapper/208:20:272
2530600992919,6cyclictest2530689-21latency_hist07:10:012
2530600992918,6cyclictest0-21swapper/207:55:292
2530600992917,8cyclictest0-21swapper/211:15:272
253060099291,25cyclictest0-21swapper/209:00:202
2530598992917,6cyclictest2530794-21sort07:10:011
2530600992818,6cyclictest0-21swapper/210:00:212
2530600992815,7cyclictest0-21swapper/207:35:302
2530598992817,6cyclictest2541941-21grep08:10:291
2530598992817,6cyclictest2541941-21grep08:10:281
2530600992718,5cyclictest0-21swapper/211:25:012
2530600992616,7cyclictest311ktimers/212:05:122
2530600992616,7cyclictest311ktimers/212:05:122
2530600992615,7cyclictest0-21swapper/208:00:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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