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2026-07-18 - 16:44

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 Sat Jul 18, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147080499782,40cyclictest0-21swapper/109:45:011
1470801995445,5cyclictest167350irq/118-8000000.ethernet-tx009:05:290
1470801995445,5cyclictest167350irq/118-8000000.ethernet-tx009:05:290
147080199541,48cyclictest0-21swapper/009:45:020
147080199541,45cyclictest0-21swapper/009:45:150
147080199541,45cyclictest0-21swapper/009:45:140
1470804995339,10cyclictest1493092-21run-parts09:20:001
1470801995343,6cyclictest15-21rcuc/011:15:290
1470806995238,7cyclictest1522767-21grep12:10:312
147080199521,43cyclictest0-21swapper/007:25:100
147080499516,20cyclictest24-21ksoftirqd/111:45:021
1470801995144,3cyclictest1490652-21cat09:05:010
1470801995143,4cyclictest167350irq/118-8000000.ethernet-tx011:30:290
147080499505,26cyclictest0-21swapper/112:35:021
1470804995034,13cyclictest0-21swapper/112:40:011
1470801995038,5cyclictest1487324-21cpu08:45:140
1470801995037,10cyclictest1486244-21sendmail08:40:000
1470801994937,8cyclictest167350irq/118-8000000.ethernet-tx011:25:170
1470806994837,8cyclictest1488783-21munin-plugin-st08:55:002
147080499482,18cyclictest1521049-21apt-get12:05:011
1470804994817,18cyclictest22-21rcuc/107:45:011
1470804994817,18cyclictest22-21rcuc/107:45:011
1470801994839,5cyclictest1523142-21cut12:15:210
1470801994831,14cyclictest0-21swapper/008:15:010
147080199481,5cyclictest1517969-21fschecks_count11:45:200
1470806994740,4cyclictest1504077-21munin-plugin-st10:25:002
1470806994737,5cyclictest1527045-21munin-plugin-st12:39:592
1470806994716,13cyclictest1489617-21apt-get09:00:022
1470804994734,8cyclictest1512544-21grep11:10:301
1470804994720,15cyclictest0-21swapper/112:05:121
147080199473,7cyclictest1487075-21users08:40:290
147080199473,7cyclictest1487075-21users08:40:290
147080199471,43cyclictest15-21rcuc/007:50:290
1470804994631,8cyclictest1489749-21cat09:00:011
1470804994614,15cyclictest231ktimers/107:35:111
147080199464,3cyclictest1488292-21fschecks_time08:50:220
1470801994633,8cyclictest0-21swapper/008:20:280
147080199462,42cyclictest0-21swapper/007:15:100
147080199461,41cyclictest1474855-21if_eth007:30:230
147080499459,14cyclictest1483079-21/usr/sbin/munin08:20:191
1470804994536,5cyclictest0-21swapper/110:50:001
1470801994538,4cyclictest167350irq/118-8000000.ethernet-tx010:25:300
1470801994538,4cyclictest167350irq/118-8000000.ethernet-tx010:25:300
1470801994529,14cyclictest0-21swapper/009:25:190
1470801994527,15cyclictest131ktimers/011:40:130
147080199452,4cyclictest1492315-21cut09:15:000
147080199452,4cyclictest0-21swapper/011:35:280
147080199451,4cyclictest1484501-21grep08:25:290
147080199451,3cyclictest1506383-21phc2sys10:35:280
1470806994439,2cyclictest0-21swapper/209:20:022
1470806994429,10cyclictest311ktimers/208:45:112
1470806994424,9cyclictest1520409-21/usr/sbin/munin12:00:212
147080499445,16cyclictest22-21rcuc/108:35:001
1470804994433,6cyclictest1492129-21grep09:10:311
1470804994433,5cyclictest0-21swapper/109:25:291
1470804994425,10cyclictest0-21swapper/110:10:231
147080199443,38cyclictest0-21swapper/012:00:320
1470801994432,7cyclictest1519310-21grep11:50:290
1470801994425,16cyclictest1499988-21latency_hist10:00:010
147080199442,3cyclictest0-21swapper/008:15:250
147080199441,40cyclictest0-21swapper/007:45:170
147080199441,40cyclictest0-21swapper/007:45:170
1470806994330,9cyclictest311ktimers/211:30:152
1470806994328,9cyclictest311ktimers/210:15:142
1470804994334,5cyclictest1500698-21munin-plugin-st10:05:001
1470804994332,6cyclictest0-21swapper/110:40:001
1470804994331,8cyclictest0-21swapper/110:55:301
1470804994328,8cyclictest0-21swapper/110:20:241
1470804994324,10cyclictest0-21swapper/112:20:301
147080499432,2cyclictest0-21swapper/110:10:011
1470804994316,13cyclictest0-21swapper/111:00:161
147080199433,5cyclictest1492747-21memory09:15:250
1470801994335,4cyclictest1522544-21ps12:10:280
147080199432,8cyclictest1527086-21latency_hist12:40:000
147080199432,4cyclictest1505376-21irqstats10:30:230
147080199432,4cyclictest1476125-21sendmail-msp07:40:010
147080199431,8cyclictest1500177-21ssh10:00:190
1470806994232,5cyclictest0-21swapper/207:35:282
1470806994231,8cyclictest0-21swapper/210:55:292
1470806994227,9cyclictest0-21swapper/209:50:282
1470806994210,27cyclictest0-21swapper/208:05:232
1470804994231,7cyclictest1482818-21grep08:15:291
1470804994228,6cyclictest0-21swapper/109:20:261
1470804994226,7cyclictest0-21swapper/112:30:001
147080499421,35cyclictest0-21swapper/107:20:181
1470801994235,4cyclictest167350irq/118-8000000.ethernet-tx010:45:190
1470801994225,12cyclictest131ktimers/009:20:150
147080199422,4cyclictest1502943-21grep10:15:280
147080199422,38cyclictest0-21swapper/011:05:300
147080199421,8cyclictest1524045-21fschecks_time12:20:220
1470801994218,21cyclictest14-21rcu_preempt10:45:010
147080199421,5cyclictest1510347-21diskstats11:00:190
1470801994215,3cyclictest0-21swapper/011:25:010
1470806994128,9cyclictest311ktimers/211:35:122
1470806994125,8cyclictest1506689-21sendmail10:40:002
1470804994132,5cyclictest1480227-21grep08:00:291
1470804994130,7cyclictest1523667-21run-parts12:20:001
1470804994122,9cyclictest0-21swapper/109:05:261
1470804994122,9cyclictest0-21swapper/109:05:261
1470804994120,11cyclictest0-21swapper/111:40:011
1470804994116,12cyclictest231ktimers/111:55:121
147080199419,28cyclictest131ktimers/009:35:240
1470801994134,4cyclictest1525719-21lsblk12:30:210
1470801994124,15cyclictest0-21swapper/012:30:000
147080199411,6cyclictest1521786-21/usr/sbin/munin12:05:270
147080199411,5cyclictest15-21rcuc/008:30:180
147080199411,5cyclictest1512460-21cut11:10:300
147080199411,4cyclictest1508880-21meminfo10:50:250
147080199411,4cyclictest1476940-21users07:40:300
147080199411,3cyclictest1520011-21/usr/sbin/munin11:55:280
1470806994029,8cyclictest0-21swapper/210:10:302
1470806994026,10cyclictest311ktimers/211:10:122
1470804994032,5cyclictest167450irq/126-8000000.ethernet-tx109:00:171
1470804994032,4cyclictest0-21swapper/111:30:281
1470804994029,6cyclictest0-21swapper/107:10:301
1470801994030,5cyclictest1481124-21grep08:05:290
147080199402,36cyclictest0-21swapper/010:05:170
147080199401,36cyclictest0-21swapper/009:30:180
1470806993929,4cyclictest0-21swapper/208:25:292
1470806993926,10cyclictest311ktimers/211:45:132
1470806993923,9cyclictest0-21swapper/212:05:282
1470804993924,10cyclictest0-21swapper/107:30:271
147080499391,4cyclictest0-21swapper/108:45:011
147080499391,4cyclictest0-21swapper/108:45:011
147080499391,2cyclictest0-21swapper/107:10:011
147080499391,2cyclictest0-21swapper/107:10:011
1470801993923,11cyclictest0-21swapper/007:10:010
1470801993923,11cyclictest0-21swapper/007:10:010
147080199391,4cyclictest1479756-21df08:00:170
147080199391,4cyclictest1471266-21meminfo07:10:260
147080199391,3cyclictest1498659-21meminfo09:50:240
147080199391,36cyclictest0-21swapper/007:55:240
1470806993830,5cyclictest0-21swapper/209:10:312
1470806993815,13cyclictest1518712-21/usr/sbin/munin11:50:192
1470804993829,5cyclictest0-21swapper/111:20:001
1470804993822,6cyclictest0-21swapper/111:25:201
1470804993815,12cyclictest0-21swapper/111:50:121
1470804993814,18cyclictest24-21ksoftirqd/111:25:011
1470801993831,5cyclictest20850irq/208-8000000.ethernet09:00:010
147080199381,35cyclictest0-21swapper/010:20:170
1470806993728,5cyclictest0-21swapper/209:45:212
1470806993728,5cyclictest0-21swapper/209:45:212
1470806993726,8cyclictest0-21swapper/209:35:172
1470806993726,6cyclictest0-21swapper/211:20:292
1470806993726,6cyclictest0-21swapper/209:30:012
1470806993715,15cyclictest0-21swapper/210:30:002
1470806993715,15cyclictest0-21swapper/210:30:002
147080499376,25cyclictest0-21swapper/110:30:461
147080499375,21cyclictest1503108-21sed10:15:311
147080199371,4cyclictest0-21swapper/010:55:170
1470806993627,5cyclictest0-21swapper/208:30:222
1470806993625,8cyclictest311ktimers/212:25:142
1470806993624,9cyclictest0-21swapper/209:40:292
1470806993624,8cyclictest1477747-21grep07:45:302
1470806993624,8cyclictest1477747-21grep07:45:302
1470806993624,7cyclictest1472677-21grep07:15:262
1470806993624,6cyclictest0-21swapper/210:30:252
1470806993623,8cyclictest0-21swapper/208:55:302
1470806993616,12cyclictest0-21swapper/207:30:012
147080499362,9cyclictest22-21rcuc/108:40:011
1470804993625,7cyclictest0-21swapper/110:50:171
1470804993621,12cyclictest231ktimers/110:40:121
1470804993619,8cyclictest0-21swapper/108:10:281
147080499361,7cyclictest0-21swapper/111:10:011
1470804993614,14cyclictest1487554-21/usr/sbin/munin08:45:211
1470806993528,5cyclictest1482018-21munin-run08:15:002
1470806993527,5cyclictest0-21swapper/208:35:162
1470806993524,6cyclictest0-21swapper/208:40:292
1470806993524,6cyclictest0-21swapper/208:40:292
1470804993526,6cyclictest231ktimers/108:25:111
1470804993522,7cyclictest0-21swapper/107:50:171
1470804993520,7cyclictest0-21swapper/107:55:211
1470804993518,6cyclictest0-21swapper/110:25:281
1470804993518,6cyclictest0-21swapper/110:25:281
1470801993530,2cyclictest0-21swapper/007:20:210
1470806993428,4cyclictest0-21swapper/212:35:002
1470806993427,4cyclictest311ktimers/210:05:022
1470806993426,4cyclictest0-21swapper/212:20:012
1470806993423,7cyclictest311ktimers/211:40:152
1470806993421,9cyclictest0-21swapper/208:00:002
147080699341,27cyclictest0-21swapper/210:45:182
1470804993420,9cyclictest0-21swapper/110:00:001
147080499341,2cyclictest0-21swapper/108:10:001
1470804993412,11cyclictest0-21swapper/109:45:201
1470804993412,11cyclictest0-21swapper/109:45:201
147080199346,25cyclictest0-21swapper/010:10:290
1470806993325,4cyclictest0-21swapper/207:10:212
1470806993323,7cyclictest311ktimers/209:20:142
1470806993322,8cyclictest311ktimers/207:50:122
1470806993322,8cyclictest0-21swapper/210:50:292
1470806993322,7cyclictest0-21swapper/207:40:212
1470806993322,6cyclictest0-21swapper/210:40:302
1470804993324,5cyclictest1498942-21grep09:50:281
1470804993319,11cyclictest0-21swapper/111:40:291
1470806993224,5cyclictest0-21swapper/208:00:292
1470806993220,8cyclictest311ktimers/210:05:112
1470806993219,8cyclictest0-21swapper/210:00:012
147080499322,21cyclictest1474326-21unixbench_multi07:25:271
1470804993218,6cyclictest1496463-21sh09:40:001
1470806993126,4cyclictest0-21swapper/208:20:262
1470806993124,5cyclictest1482838-21sshd08:16:232
1470806993123,5cyclictest1511115-21/usr/sbin/munin11:05:242
1470804993115,6cyclictest0-21swapper/109:30:161
147080499311,24cyclictest0-21swapper/107:42:231
1470806993026,3cyclictest0-21swapper/209:30:172
1470806993022,6cyclictest1512795-21/usr/sbin/munin11:15:232
1470806993021,4cyclictest0-21swapper/211:00:232
1470806993018,8cyclictest0-21swapper/211:55:282
1470806993018,8cyclictest0-21swapper/207:20:282
1470806993017,8cyclictest0-21swapper/211:25:292
147080499307,15cyclictest1488945-21grep08:55:011
1470804993017,9cyclictest1472667-21grep07:15:261
1470806992919,7cyclictest0-21swapper/207:30:292
1470806992916,9cyclictest0-21swapper/212:20:312
1470806992821,5cyclictest1490926-21sh09:05:212
1470806992821,5cyclictest1490926-21sh09:05:212
147080699276,12cyclictest0-21swapper/207:10:012
147080699276,12cyclictest0-21swapper/207:10:012
1470804992614,7cyclictest0-21swapper/112:10:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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