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2026-05-31 - 18:14

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 Sun May 31, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1021842998175,3cyclictest20650irq/252-8000000.ethernet09:20:200
1021842996156,4cyclictest0-21swapper/008:40:120
102184399583,35cyclictest24-21ksoftirqd/107:30:021
102184399563,25cyclictest22-21rcuc/110:15:011
102184299565,17cyclictest0-21swapper/010:15:010
102184699551,34cyclictest14-21rcu_preempt11:40:012
102184699551,25cyclictest0-21swapper/211:00:012
102184699521,28cyclictest0-21swapper/207:10:012
1021843995244,4cyclictest1052669-21munin-plugin-st10:09:591
1021843995244,4cyclictest1052669-21munin-plugin-st10:09:591
1021842995041,6cyclictest1062148-21munin-plugin-st11:05:000
1021842995041,6cyclictest1062148-21munin-plugin-st11:05:000
1021842995018,28cyclictest23850irq/422-mmc109:50:240
102184699491,4cyclictest0-21swapper/211:25:012
102184699491,18cyclictest0-21swapper/208:35:002
1021843994841,3cyclictest1044134-21latency_hist09:20:001
1021843994841,3cyclictest1044134-21latency_hist09:20:001
1021842994829,15cyclictest167350irq/118-8000000.ethernet-tx007:20:280
1021842994817,6cyclictest1052832-21gpg-connect-age10:10:010
1021842994817,6cyclictest1052832-21gpg-connect-age10:10:010
102184299481,42cyclictest1064361-21tail11:15:250
102184399479,20cyclictest231ktimers/108:35:011
1021842994739,5cyclictest167350irq/118-8000000.ethernet-tx009:40:160
1021842994739,5cyclictest0-21swapper/008:10:000
1021846994633,9cyclictest311ktimers/209:55:102
1021846994633,9cyclictest311ktimers/209:55:102
1021843994626,13cyclictest231ktimers/107:20:121
1021842994640,3cyclictest167350irq/118-8000000.ethernet-tx011:26:340
1021842994639,4cyclictest20650irq/252-8000000.ethernet10:45:190
102184299462,6cyclictest1042070-21irqstats09:05:240
1021846994536,5cyclictest0-21swapper/210:10:012
1021846994536,5cyclictest0-21swapper/210:10:012
1021846994529,12cyclictest0-21swapper/207:40:012
1021843994535,5cyclictest0-21swapper/111:00:001
102184699443,21cyclictest0-21swapper/207:20:022
1021846994429,10cyclictest0-21swapper/207:15:012
102184699441,2cyclictest0-21swapper/211:20:022
102184399446,33cyclictest22-21rcuc/107:15:011
1021843994432,8cyclictest1072186-21grep12:00:261
1021842994437,4cyclictest20650irq/252-8000000.ethernet10:50:220
1021842994434,6cyclictest0-21swapper/012:20:000
102184299441,41cyclictest0-21swapper/008:00:180
1021846994328,11cyclictest1046675-21grep09:30:262
1021846994326,10cyclictest0-21swapper/211:55:202
1021843994327,11cyclictest0-21swapper/107:55:291
1021843994326,12cyclictest231ktimers/110:45:111
102184399431,4cyclictest0-21swapper/111:20:011
102184299433,4cyclictest1036925-21tune2fs08:35:220
1021842994327,14cyclictest167350irq/118-8000000.ethernet-tx011:35:220
102184299432,5cyclictest0-21swapper/010:00:230
102184299431,5cyclictest1048745-21tune2fs09:45:200
1021842994312,28cyclictest1078235-21latency_hist12:40:010
1021846994234,4cyclictest1043189-21unixbench_multi09:10:282
1021846994231,7cyclictest0-21swapper/212:15:202
102184399425,4cyclictest0-21swapper/110:35:011
1021843994229,10cyclictest0-21swapper/107:10:281
1021842994235,4cyclictest167350irq/118-8000000.ethernet-tx010:20:250
1021842994234,4cyclictest20650irq/252-8000000.ethernet12:00:230
102184299423,34cyclictest1022601-21grep07:10:290
1021842994227,13cyclictest167350irq/118-8000000.ethernet-tx007:50:150
102184299422,38cyclictest0-21swapper/008:50:240
102184299422,38cyclictest0-21swapper/008:50:230
102184299421,38cyclictest1053022-21df_inode10:10:150
1021846994132,5cyclictest0-21swapper/212:25:162
1021846994126,10cyclictest0-21swapper/210:30:282
1021843994131,5cyclictest0-21swapper/109:20:281
1021843994129,8cyclictest1039038-21grep08:45:281
1021843994125,12cyclictest0-21swapper/109:55:271
1021843994125,12cyclictest0-21swapper/109:55:271
1021842994134,4cyclictest167350irq/118-8000000.ethernet-tx011:20:210
1021842994133,4cyclictest167350irq/118-8000000.ethernet-tx009:35:230
102184299411,4cyclictest1022996-21ssh07:15:050
1021846994031,5cyclictest0-21swapper/207:59:592
1021846994031,4cyclictest0-21swapper/210:25:002
1021846994025,8cyclictest1053513-21grep10:10:272
1021846994025,10cyclictest0-21swapper/208:00:182
1021843994032,4cyclictest0-21swapper/110:35:301
1021843994026,9cyclictest0-21swapper/110:45:011
1021843994026,8cyclictest0-21swapper/112:25:291
102184399402,31cyclictest0-21swapper/109:10:251
102184399401,5cyclictest0-21swapper/110:25:011
1021842994033,4cyclictest0-21swapper/009:30:140
102184699393,18cyclictest0-21swapper/207:30:012
1021843993931,5cyclictest1028878-21grep07:45:301
1021843993929,6cyclictest1067095-21unixbench_multi11:30:291
1021843993929,6cyclictest0-21swapper/109:30:151
102184399391,4cyclictest0-21swapper/111:45:011
102184399391,4cyclictest0-21swapper/111:45:011
1021842993923,14cyclictest0-21swapper/012:10:200
1021842993922,14cyclictest1062519-21sh11:05:210
102184299391,36cyclictest0-21swapper/012:20:160
102184299391,36cyclictest0-21swapper/008:25:210
102184299391,36cyclictest0-21swapper/007:30:200
1021846993829,5cyclictest1024625-21grep07:20:272
1021846993829,4cyclictest0-21swapper/208:10:262
1021846993825,9cyclictest0-21swapper/208:15:282
102184699381,4cyclictest0-21swapper/211:15:002
102184399385,10cyclictest22-21rcuc/108:40:011
1021843993829,5cyclictest1078079-21grep12:35:301
1021843993827,7cyclictest1027206-21grep07:35:301
1021843993827,5cyclictest0-21swapper/111:10:191
1021843993826,8cyclictest1060394-21apt-config10:55:011
1021843993826,8cyclictest0-21swapper/108:15:301
1021843993826,5cyclictest0-21swapper/110:20:011
1021843993820,9cyclictest0-21swapper/111:00:191
1021843993820,9cyclictest0-21swapper/111:00:191
1021843993814,19cyclictest22-21rcuc/110:25:181
1021842993831,4cyclictest0-21swapper/010:35:250
1021842993831,4cyclictest0-21swapper/009:55:160
1021842993831,4cyclictest0-21swapper/009:55:160
102184299381,8cyclictest0-21swapper/007:50:010
102184299381,4cyclictest1045349-21diskstats09:25:170
102184299381,35cyclictest0-21swapper/011:40:240
102184299381,35cyclictest0-21swapper/011:40:240
102184299381,35cyclictest0-21swapper/011:10:120
1021843993728,5cyclictest0-21swapper/112:00:001
1021843993725,8cyclictest0-21swapper/112:05:311
1021843993724,8cyclictest0-21swapper/108:25:211
102184299374,6cyclictest1024924-21/usr/sbin/munin07:25:110
1021842993733,2cyclictest0-21swapper/011:50:000
1021842993730,4cyclictest20850irq/208-8000000.ethernet08:59:590
1021842993729,5cyclictest1027153-21grep07:35:280
1021842993728,4cyclictest1038683-21/usr/sbin/munin08:45:230
102184299371,34cyclictest0-21swapper/011:55:160
102184299371,34cyclictest0-21swapper/010:55:140
102184299371,34cyclictest0-21swapper/010:25:210
102184299371,34cyclictest0-21swapper/009:10:210
102184299371,34cyclictest0-21swapper/008:16:060
102184299371,33cyclictest1033130-21users08:10:270
102184299371,32cyclictest1066894-21cut11:30:250
1021846993621,9cyclictest0-21swapper/209:00:292
1021843993624,8cyclictest0-21swapper/109:05:291
1021843993624,8cyclictest0-21swapper/107:50:291
102184399361,3cyclictest0-21swapper/109:30:001
1021842993616,18cyclictest0-21swapper/009:15:260
1021842993616,18cyclictest0-21swapper/009:15:260
102184299361,3cyclictest0-21swapper/009:00:130
102184299361,2cyclictest0-21swapper/012:10:010
1021846993526,6cyclictest1045864-21grep09:25:282
102184699351,29cyclictest0-21swapper/210:15:192
102184399354,21cyclictest1066267-21grep11:25:281
1021843993526,5cyclictest0-21swapper/109:40:271
1021843993524,7cyclictest1031802-21sh08:05:201
1021843993523,7cyclictest1033067-21grep08:10:261
1021843993521,9cyclictest1050029-21grep09:50:281
1021843993521,10cyclictest0-21swapper/111:35:311
102184299351,4cyclictest0-21swapper/010:30:150
1021846993426,5cyclictest0-21swapper/209:15:272
1021846993426,5cyclictest0-21swapper/209:15:272
1021846993424,6cyclictest1026286-21grep07:30:282
1021843993427,4cyclictest0-21swapper/112:15:191
1021843993424,7cyclictest1069697-21grep11:45:291
1021843993421,7cyclictest0-21swapper/107:40:291
102184399341,2cyclictest0-21swapper/111:25:001
1021842993428,4cyclictest20850irq/208-8000000.ethernet07:40:180
1021842993428,4cyclictest0-21swapper/007:55:250
1021842993423,7cyclictest1036501-21grep08:30:320
1021842993422,8cyclictest0-21swapper/012:25:200
102184299342,21cyclictest608957-1kworker/0:0H+kblockd07:10:020
102184299341,31cyclictest0-21swapper/011:52:290
1021846993324,4cyclictest1070517-21unixbench_singl11:50:282
1021846993318,10cyclictest0-21swapper/212:20:282
102184399339,17cyclictest1039607-21phc2sys08:50:261
102184399339,17cyclictest1039607-21phc2sys08:50:261
1021843993325,5cyclictest0-21swapper/109:00:281
1021843993323,6cyclictest0-21swapper/112:30:181
1021843993323,5cyclictest0-21swapper/108:20:291
1021843993322,7cyclictest0-21swapper/111:50:251
1021843993320,8cyclictest0-21swapper/110:00:281
102184399331,7cyclictest0-21swapper/108:45:011
1021843993315,5cyclictest167450irq/126-8000000.ethernet-tx108:01:211
1021842993327,3cyclictest19750irq/27-20000000.i2c10:40:170
102184299331,30cyclictest0-21swapper/008:25:000
102184699324,16cyclictest30-21rcuc/211:20:022
1021846993226,4cyclictest1056140-21munin-plugin-st10:30:012
1021846993220,9cyclictest0-21swapper/208:20:272
1021846993220,6cyclictest0-21swapper/210:45:122
102184699321,5cyclictest0-21swapper/209:35:022
1021843993221,7cyclictest0-21swapper/112:10:291
1021846993122,5cyclictest0-21swapper/210:35:202
1021846993122,5cyclictest0-21swapper/208:50:272
1021846993122,5cyclictest0-21swapper/208:50:272
1021846993121,7cyclictest0-21swapper/211:45:282
102184399314,17cyclictest1049248-21unixbench_singl09:45:291
1021843993121,6cyclictest0-21swapper/112:20:241
1021843993121,6cyclictest0-21swapper/111:05:301
1021846993023,3cyclictest0-21swapper/212:05:232
1021846993022,5cyclictest1058680-21munin-plugin-st10:45:012
1021846993022,5cyclictest0-21swapper/208:55:292
1021846993022,5cyclictest0-21swapper/207:40:302
1021846993021,6cyclictest1068866-21grep11:40:282
1021846993021,6cyclictest1068866-21grep11:40:282
1021846993021,6cyclictest1062126-21kworker/u8:3-events_power_efficient11:09:592
1021846993018,8cyclictest0-21swapper/208:45:002
1021846993017,9cyclictest0-21swapper/208:05:282
102184699301,4cyclictest0-21swapper/211:00:242
102184699301,4cyclictest0-21swapper/211:00:242
102184699301,27cyclictest1660-21snmpd08:39:442
1021846993012,4cyclictest167550irq/134-8000000.ethernet-tx209:45:232
102184399305,19cyclictest1025480-21grep07:25:281
1021843993022,4cyclictest0-21swapper/109:35:301
102184299301,4cyclictest1076762-21df_inode12:30:160
1021846992923,4cyclictest0-21swapper/209:20:242
1021846992920,6cyclictest311ktimers/209:05:232
1021846992920,6cyclictest0-21swapper/212:30:242
1021846992916,9cyclictest0-21swapper/210:00:212
1021846992916,9cyclictest0-21swapper/209:40:202
1021846992912,4cyclictest167550irq/134-8000000.ethernet-tx210:50:212
1021846992911,4cyclictest167550irq/134-8000000.ethernet-tx212:38:352
1021846992910,14cyclictest14-21rcu_preempt08:45:012
102184399291,4cyclictest0-21swapper/109:00:011
1021846992821,4cyclictest0-21swapper/207:45:222
1021846992820,4cyclictest0-21swapper/208:25:202
1021846992816,8cyclictest0-21swapper/207:50:262
1021846992814,11cyclictest0-21swapper/212:00:272
1021846992717,7cyclictest0-21swapper/212:10:192
1021846992712,4cyclictest167550irq/134-8000000.ethernet-tx211:34:182
1021846992519,4cyclictest311ktimers/209:50:262
1021843992515,5cyclictest0-21swapper/107:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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