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2026-03-13 - 23:44

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 Fri Mar 13, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2519002999081,2cyclictest0-21swapper/010:30:010
2519002998048,26cyclictest20650irq/252-8000000.ethernet09:55:250
2519002998048,26cyclictest20650irq/252-8000000.ethernet09:55:250
2519002998043,32cyclictest20650irq/252-8000000.ethernet10:45:210
2519002997538,32cyclictest20650irq/252-8000000.ethernet09:00:260
2519006997342,28cyclictest2566064-21grep11:45:002
2519002997338,31cyclictest20650irq/252-8000000.ethernet08:30:150
2519002997334,34cyclictest20650irq/252-8000000.ethernet11:55:140
2519002997324,44cyclictest0-21swapper/011:20:280
2519002997036,29cyclictest2540576-21latency_hist09:15:000
2519002996937,29cyclictest0-21swapper/010:05:230
2519002996937,28cyclictest20650irq/252-8000000.ethernet10:00:150
2519002996936,29cyclictest20650irq/252-8000000.ethernet10:20:160
251900299691,31cyclictest0-21swapper/008:30:020
251900299691,31cyclictest0-21swapper/008:30:010
2519002996824,39cyclictest0-21swapper/009:45:200
2519006996730,33cyclictest0-21swapper/212:10:252
2519006996729,33cyclictest0-21swapper/208:00:272
2519002996738,25cyclictest20650irq/252-8000000.ethernet08:15:220
2519002996738,24cyclictest20650irq/252-8000000.ethernet07:50:220
2519002996738,24cyclictest167350irq/118-8000000.ethernet-tx009:15:240
2519002996737,26cyclictest20650irq/252-8000000.ethernet11:44:590
2519002996734,29cyclictest2542644-21perl09:25:200
2519002996640,22cyclictest20650irq/252-8000000.ethernet07:15:240
2519002996639,23cyclictest20650irq/252-8000000.ethernet09:50:160
251900299662,5cyclictest2525778-21ptp4l07:45:260
2519006996522,10cyclictest2544212-21/usr/sbin/munin09:35:092
2519002996546,15cyclictest20650irq/252-8000000.ethernet10:40:210
2519002996531,30cyclictest0-21swapper/008:05:270
2519002996524,34cyclictest2527740-21grep07:55:270
2519002996443,18cyclictest2573838-21munin-plugin-st12:29:590
2519002996437,24cyclictest20650irq/252-8000000.ethernet08:50:250
2519002996431,26cyclictest2569707-21df_inode12:05:160
2519003996330,29cyclictest0-21swapper/109:50:001
2519002996341,17cyclictest20650irq/252-8000000.ethernet11:25:170
2519002996333,25cyclictest2542439-21cut09:25:010
2519002996330,29cyclictest2564198-21/usr/sbin/munin11:30:270
2519002996325,34cyclictest0-21swapper/009:30:280
2519002996325,34cyclictest0-21swapper/009:30:280
251900299632,4cyclictest2571467-21df12:15:170
2519002996320,39cyclictest2531930-21unixbench_multi08:20:270
2519006996225,4cyclictest0-21swapper/209:40:272
2519003996231,26cyclictest2566010-21grep11:40:281
2519003996219,9cyclictest2526013-21munin-plugin-st07:50:001
2519002996239,20cyclictest20650irq/252-8000000.ethernet11:05:150
2519002996238,21cyclictest20650irq/252-8000000.ethernet08:35:270
2519002996238,20cyclictest20650irq/252-8000000.ethernet10:15:230
2519002996236,23cyclictest20650irq/252-8000000.ethernet10:10:170
2519002996236,23cyclictest20650irq/252-8000000.ethernet10:10:170
2519002996230,28cyclictest20850irq/208-8000000.ethernet09:35:240
2519002996229,29cyclictest20850irq/208-8000000.ethernet08:05:010
2519002996225,33cyclictest0-21swapper/008:10:280
2519002996217,39cyclictest0-21swapper/011:45:300
2519003996127,5cyclictest2535296-21grep08:40:281
2519003996127,28cyclictest0-21swapper/112:10:251
2519003996123,7cyclictest2557468-21grep10:50:261
2519003996123,7cyclictest2557468-21grep10:50:261
2519003996123,4cyclictest0-21swapper/111:40:001
2519003996122,6cyclictest2548131-21grep09:55:281
2519003996122,6cyclictest2548131-21grep09:55:281
2519003996118,9cyclictest0-21swapper/108:50:281
2519002996135,23cyclictest20650irq/252-8000000.ethernet11:35:190
2519006996033,24cyclictest2540448-21cron09:15:002
2519006996029,26cyclictest0-21swapper/208:10:212
2519002996039,17cyclictest20650irq/252-8000000.ethernet12:20:150
2519002996039,17cyclictest20650irq/252-8000000.ethernet12:20:140
2519002996038,19cyclictest20650irq/252-8000000.ethernet11:50:200
2519002996036,21cyclictest20650irq/252-8000000.ethernet08:40:230
2519002996035,20cyclictest20650irq/252-8000000.ethernet10:35:120
2519002996035,20cyclictest20650irq/252-8000000.ethernet10:35:120
2519006995924,4cyclictest2543050-21grep09:25:272
2519002995927,29cyclictest20850irq/208-8000000.ethernet07:10:170
2519006995827,4cyclictest0-21swapper/210:25:192
2519006995823,8cyclictest0-21swapper/208:40:282
2519003995824,29cyclictest0-21swapper/109:20:271
2519002995816,4cyclictest0-21swapper/012:10:270
2519002995741,12cyclictest20650irq/252-8000000.ethernet09:05:190
2519002995741,12cyclictest20650irq/252-8000000.ethernet09:05:180
251900299571,54cyclictest20850irq/208-8000000.ethernet08:50:000
251900699564,32cyclictest0-21swapper/210:00:012
251900699564,32cyclictest0-21swapper/210:00:012
2519006995626,5cyclictest2573748-21grep12:25:302
2519006995624,8cyclictest0-21swapper/207:15:272
2519002995630,20cyclictest2523085-21interrupts07:30:220
2519002995630,20cyclictest2523085-21interrupts07:30:220
2519002995629,24cyclictest20850irq/208-8000000.ethernet10:55:240
2519002995624,29cyclictest20850irq/208-8000000.ethernet10:35:000
2519002995612,37cyclictest0-21swapper/011:05:010
2519003995524,7cyclictest0-21swapper/109:30:281
2519003995524,7cyclictest0-21swapper/109:30:271
2519003995520,8cyclictest0-21swapper/111:30:171
2519002995536,15cyclictest2575275-21ps12:35:270
2519002995531,21cyclictest0-21swapper/012:00:250
2519002995531,21cyclictest0-21swapper/012:00:250
2519002995524,27cyclictest2524024-21cut07:35:260
2519002995515,3cyclictest2545720-21wc09:45:010
2519002995515,36cyclictest0-21swapper/012:30:270
251900299551,51cyclictest0-21swapper/007:40:180
2519003995422,8cyclictest2524199-21grep07:35:271
2519003995422,5cyclictest0-21swapper/111:15:201
2519003995422,5cyclictest0-21swapper/111:15:201
2519002995441,10cyclictest2557535-21latency_hist10:55:010
2519002995441,10cyclictest2557535-21latency_hist10:55:010
2519006995325,6cyclictest0-21swapper/208:55:282
2519002995330,20cyclictest2561164-21df_inode11:15:170
2519002995330,20cyclictest2561164-21df_inode11:15:160
2519002995320,5cyclictest0-21swapper/008:55:160
2519003995211,18cyclictest167450irq/126-8000000.ethernet-tx112:15:241
2519002995242,7cyclictest2522635-21munin-plugin-st07:30:000
2519002995120,28cyclictest20850irq/208-8000000.ethernet07:25:000
2519006995031,5cyclictest2526010-21apt07:50:012
2519003995023,5cyclictest2529390-21grep08:05:271
2519003994924,4cyclictest0-21swapper/107:20:261
2519002994727,17cyclictest20650irq/252-8000000.ethernet11:10:280
2519002994713,4cyclictest2519017-21latency_hist07:10:010
2519002994713,4cyclictest2519017-21latency_hist07:10:010
2519006994636,6cyclictest0-21swapper/212:05:002
2519006994636,6cyclictest0-21swapper/212:05:002
2519003994636,6cyclictest2553235-21grep10:25:261
2519003994530,8cyclictest0-21swapper/107:54:591
2519003994435,5cyclictest0-21swapper/107:15:281
2519003994410,7cyclictest2540618-21gpg-connect-age09:15:001
2519006994335,5cyclictest2531167-21munin-plugin-st08:20:002
2519006994331,7cyclictest0-21swapper/208:25:302
2519006994331,7cyclictest0-21swapper/208:25:292
2519006994133,5cyclictest2565206-21munin-plugin-st11:40:012
2519006994131,5cyclictest0-21swapper/207:30:262
2519006994131,5cyclictest0-21swapper/207:30:262
2519006994130,5cyclictest0-21swapper/207:35:252
2519003994132,5cyclictest0-21swapper/111:50:211
2519006994030,5cyclictest0-21swapper/211:15:282
2519006994030,5cyclictest0-21swapper/211:15:272
2519003994030,6cyclictest0-21swapper/110:00:251
2519006993928,5cyclictest0-21swapper/207:50:192
2519006993917,15cyclictest1283-21cron12:40:012
2519003993926,8cyclictest0-21swapper/109:05:271
2519003993926,8cyclictest0-21swapper/109:05:271
2519006993830,5cyclictest0-21swapper/210:45:282
2519006993830,4cyclictest0-21swapper/211:25:182
2519003993827,6cyclictest0-21swapper/110:30:201
2519006993730,4cyclictest0-21swapper/211:35:002
2519006993729,5cyclictest2536234-21cron08:49:592
2519006993724,6cyclictest0-21swapper/208:50:282
2519003993730,4cyclictest0-21swapper/109:35:261
2519003993728,4cyclictest0-21swapper/110:20:241
2519003993727,5cyclictest0-21swapper/111:05:271
251900399371,29cyclictest2532388-21fschecks_time08:25:211
251900399371,29cyclictest2532388-21fschecks_time08:25:211
2519006993628,4cyclictest0-21swapper/208:00:012
2519006993627,6cyclictest2566833-21grep11:45:312
2519006993625,5cyclictest0-21swapper/207:10:022
2519006993625,5cyclictest0-21swapper/207:10:022
2519006993623,7cyclictest0-21swapper/210:40:272
2519006993620,14cyclictest311ktimers/210:10:102
2519006993620,14cyclictest311ktimers/210:10:102
251900699361,24cyclictest30-21rcuc/211:05:012
2519003993626,7cyclictest0-21swapper/112:25:281
2519006993527,5cyclictest2572915-21grep12:20:272
2519006993527,5cyclictest2572915-21grep12:20:272
251900399358,19cyclictest2561955-21/usr/sbin/munin11:20:181
2519003993525,5cyclictest0-21swapper/112:40:011
2519003993513,19cyclictest167450irq/126-8000000.ethernet-tx110:19:591
251900399351,28cyclictest0-21swapper/112:20:211
251900399351,28cyclictest0-21swapper/112:20:211
2519003993512,16cyclictest167450irq/126-8000000.ethernet-tx107:40:101
2519006993427,4cyclictest0-21swapper/208:35:152
2519006993426,4cyclictest0-21swapper/210:30:272
2519006993424,6cyclictest2548979-21grep10:00:242
2519006993416,14cyclictest311ktimers/209:00:122
2519003993424,7cyclictest2523374-21grep07:30:261
2519003993424,7cyclictest2523374-21grep07:30:261
2519003993422,9cyclictest0-21swapper/108:10:261
2519003993421,9cyclictest0-21swapper/110:10:011
2519006993326,4cyclictest0-21swapper/211:55:282
2519006993321,9cyclictest2545909-21/usr/sbin/munin09:45:132
2519003993323,7cyclictest2534460-21grep08:35:261
2519003993323,4cyclictest0-21swapper/111:25:201
251900399331,27cyclictest0-21swapper/108:00:191
2519006993223,4cyclictest0-21swapper/210:55:222
2519006993222,7cyclictest0-21swapper/209:50:282
2519006993221,8cyclictest0-21swapper/210:20:252
251900399322,4cyclictest0-21swapper/107:10:011
2519003993223,6cyclictest2570164-21grep12:05:271
2519003993222,7cyclictest0-21swapper/108:30:171
2519003993220,7cyclictest2547336-21grep09:50:271
2519003993219,8cyclictest0-21swapper/110:45:261
2519003993219,5cyclictest2554947-21head10:35:281
2519003993219,5cyclictest2554947-21head10:35:281
2519003993213,13cyclictest167450irq/126-8000000.ethernet-tx110:13:211
2519003993213,13cyclictest167450irq/126-8000000.ethernet-tx110:13:211
2519006993125,4cyclictest0-21swapper/209:30:162
2519006993125,4cyclictest0-21swapper/209:30:162
2519006993122,6cyclictest2549655-21grep10:05:252
2519006993120,8cyclictest2559959-21grep11:05:282
2519006993117,5cyclictest0-21swapper/212:10:002
2519006993113,4cyclictest167550irq/134-8000000.ethernet-tx210:38:212
2519006993113,4cyclictest167550irq/134-8000000.ethernet-tx210:38:202
251900699311,27cyclictest2567099-21/usr/sbin/munin11:50:232
2519006993112,4cyclictest167550irq/134-8000000.ethernet-tx207:20:162
251900399317,20cyclictest2557717-21/usr/sbin/munin10:55:271
251900399313,9cyclictest0-21swapper/111:05:011
2519003993123,5cyclictest2527785-21run-parts08:00:011
2519003993119,9cyclictest0-21swapper/107:30:011
251900399311,3cyclictest0-21swapper/109:00:011
2519003993113,13cyclictest231ktimers/111:45:171
2519006993018,8cyclictest0-21swapper/212:20:002
2519006993017,10cyclictest2528911-21diskstats08:05:172
251900699301,27cyclictest2574659-21sshd12:33:222
251900699301,27cyclictest0-21swapper/209:05:172
251900699301,27cyclictest0-21swapper/209:05:162
251900399302,24cyclictest0-21swapper/109:30:021
2519003993011,4cyclictest167450irq/126-8000000.ethernet-tx108:45:121
2519006992921,5cyclictest0-21swapper/210:15:262
2519006992921,4cyclictest0-21swapper/209:15:292
2519006992911,4cyclictest167550irq/134-8000000.ethernet-tx208:30:152
2519003992922,4cyclictest0-21swapper/112:30:271
2519006992819,6cyclictest0-21swapper/208:20:262
251900699281,25cyclictest0-21swapper/207:25:262
2519003992821,3cyclictest0-21swapper/112:00:281
2519003992821,3cyclictest0-21swapper/112:00:281
2519003992819,5cyclictest0-21swapper/111:55:211
2519003992814,11cyclictest231ktimers/108:15:111
2519006992720,6cyclictest311ktimers/207:40:262
2519006992719,5cyclictest0-21swapper/209:20:162
2519006992716,7cyclictest0-21swapper/207:10:272
2519003992721,4cyclictest0-21swapper/109:40:231
2519003992717,6cyclictest2541281-21grep09:15:291
2519006992619,4cyclictest0-21swapper/210:50:242
2519006992619,4cyclictest0-21swapper/210:50:242
2519006992617,5cyclictest0-21swapper/211:20:182
2519003992620,4cyclictest0-21swapper/110:40:171
2519003992619,4cyclictest0-21swapper/108:20:211
2519003992618,4cyclictest0-21swapper/107:10:011
2519003992618,4cyclictest0-21swapper/107:10:011
2519003992613,10cyclictest0-21swapper/111:10:271
251900699254,18cyclictest2560941-21latency_hist11:15:012
2519003992518,4cyclictest0-21swapper/109:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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