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2026-04-02 - 20:53

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 Thu Apr 02, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340099999645,20cyclictest15-21rcuc/011:25:020
3401001995546,5cyclictest3448696-21munin-plugin-st12:09:591
3400999995445,5cyclictest3405520-21grep07:45:240
3401001995343,5cyclictest0-21swapper/108:20:001
3401005995240,7cyclictest3427184-21grep10:00:262
3401001995042,5cyclictest3426376-21apt10:00:011
3401001995042,5cyclictest3426376-21apt10:00:011
3401001994939,6cyclictest3404501-21munin-plugin-st07:40:001
3400999994937,4cyclictest0-21swapper/010:10:120
3400999994931,15cyclictest167350irq/118-8000000.ethernet-tx008:35:000
340100599483,26cyclictest30-21rcuc/212:20:022
340099999481,6cyclictest0-21swapper/008:40:010
3401005994736,7cyclictest3412781-21unixbench_multi08:35:272
3401005994736,7cyclictest0-21swapper/210:39:592
3401005994731,11cyclictest0-21swapper/210:20:012
340100599472,33cyclictest3408560-21apt-get08:15:012
340099999473,6cyclictest3452845-21grep12:30:280
340099999471,5cyclictest0-21swapper/008:20:010
3401005994638,4cyclictest3421323-21munin-plugin-st09:30:002
3401005994622,7cyclictest0-21swapper/212:05:012
3401005994611,12cyclictest32-21ksoftirqd/209:20:012
3401005994611,12cyclictest32-21ksoftirqd/209:20:012
3401001994637,5cyclictest3402339-21cat07:19:591
3400999994635,4cyclictest0-21swapper/012:05:310
340099999462,32cyclictest3435267-21latency_hist10:50:010
3401005994524,6cyclictest0-21swapper/207:55:012
3401001994536,5cyclictest3443629-21run-parts11:40:001
3401001994526,14cyclictest231ktimers/108:50:121
3400999994538,4cyclictest167350irq/118-8000000.ethernet-tx011:10:110
3400999994537,4cyclictest20650irq/252-8000000.ethernet09:40:150
3400999994532,8cyclictest0-21swapper/009:30:010
3401005994436,4cyclictest0-21swapper/208:54:592
3401005994429,10cyclictest0-21swapper/209:55:262
3401005994429,10cyclictest0-21swapper/209:55:262
3401005994427,9cyclictest0-21swapper/207:55:242
3400999994436,5cyclictest0-21swapper/008:10:280
3400999994430,9cyclictest0-21swapper/007:15:160
3401005994332,6cyclictest3424611-21grep09:45:282
3401005994327,8cyclictest3431515-21grep10:25:282
3401005994317,15cyclictest0-21swapper/211:20:262
3401001994335,4cyclictest0-21swapper/109:25:191
3401001994334,5cyclictest3447856-21munin-plugin-st12:05:001
3401001994332,7cyclictest3406655-21sendmail08:00:001
3401001994328,9cyclictest0-21swapper/111:15:001
3400999994337,4cyclictest3406885-21munin-plugin-st08:05:010
3400999994337,2cyclictest0-21swapper/012:25:260
3400999994337,2cyclictest0-21swapper/012:25:250
340099999431,40cyclictest0-21swapper/009:45:110
3401005994221,6cyclictest0-21swapper/210:10:002
3401001994235,3cyclictest3433320-21sendmail10:40:001
3401001994235,3cyclictest3416246-21sendmail09:00:001
3401001994228,9cyclictest0-21swapper/112:35:181
3401001994228,9cyclictest0-21swapper/108:30:001
3401001994225,12cyclictest231ktimers/109:10:141
340099999421,4cyclictest0-21swapper/011:35:010
3401005994133,4cyclictest0-21swapper/211:35:292
3401005994131,6cyclictest3435039-21grep10:45:272
3401005994131,5cyclictest0-21swapper/208:15:262
3401005994130,7cyclictest3410353-21munin-plugin-st08:25:012
3401001994129,7cyclictest0-21swapper/111:55:291
3400999994133,4cyclictest3422083-21unixbench_multi09:30:270
3400999994132,5cyclictest3404486-21cron07:40:000
3400999994131,7cyclictest0-21swapper/008:55:130
3400999994130,8cyclictest0-21swapper/011:05:000
3400999994130,8cyclictest0-21swapper/011:05:000
3400999994130,8cyclictest0-21swapper/009:05:280
3400999994130,8cyclictest0-21swapper/009:05:280
3400999994125,12cyclictest0-21swapper/011:00:000
340099999411,5cyclictest3407450-21ps08:05:220
340100599409,25cyclictest2-21kthreadd07:42:252
3401005994031,5cyclictest311ktimers/212:34:592
3401005994030,5cyclictest0-21swapper/208:55:282
3401005994028,7cyclictest3413666-21grep08:40:272
3401005994027,7cyclictest0-21swapper/211:50:272
3401005994026,6cyclictest0-21swapper/211:05:272
3401005994026,6cyclictest0-21swapper/211:05:262
340100199406,2cyclictest0-21swapper/108:45:011
3401001994031,6cyclictest0-21swapper/108:10:281
3401001994028,8cyclictest0-21swapper/110:09:591
3401001994027,8cyclictest0-21swapper/107:45:251
3401001994021,12cyclictest0-21swapper/111:05:021
3401001994021,12cyclictest0-21swapper/111:05:011
3401001994013,15cyclictest3423219-21/usr/sbin/munin09:40:171
3400999994032,4cyclictest3444479-21latency_hist11:45:000
3400999994032,4cyclictest0-21swapper/010:35:280
3400999994019,19cyclictest20650irq/252-8000000.ethernet12:20:180
340099999401,3cyclictest0-21swapper/009:10:220
340099999401,36cyclictest3446097-21grep11:50:280
340100599399,15cyclictest0-21swapper/209:20:102
3401005993929,6cyclictest3436717-21grep10:55:282
3401005993929,5cyclictest0-21swapper/211:10:272
3401005993927,5cyclictest0-21swapper/209:40:012
3401005993926,9cyclictest0-21swapper/212:25:272
3401005993926,9cyclictest0-21swapper/212:25:262
3401005993915,18cyclictest2-21kthreadd12:39:212
340100599391,31cyclictest32-21ksoftirqd/209:05:282
340100599391,31cyclictest32-21ksoftirqd/209:05:282
340099999396,3cyclictest14-21rcu_preempt10:20:000
3400999993933,3cyclictest3424913-21cpu09:50:150
3400999993931,5cyclictest0-21swapper/009:15:200
3400999993931,5cyclictest0-21swapper/009:15:190
3400999993927,7cyclictest0-21swapper/008:20:200
3400999993923,11cyclictest0-21swapper/007:15:020
3400999993923,11cyclictest0-21swapper/007:15:010
340099999391,36cyclictest0-21swapper/012:15:130
340099999391,36cyclictest0-21swapper/010:20:180
3401005993828,6cyclictest0-21swapper/210:40:262
3401005993827,7cyclictest0-21swapper/209:55:002
3401005993823,9cyclictest0-21swapper/211:35:012
3401005993823,8cyclictest0-21swapper/210:55:012
3401001993820,13cyclictest0-21swapper/108:05:231
340100199381,3cyclictest0-21swapper/111:50:021
340100199381,3cyclictest0-21swapper/111:50:021
3400999993827,5cyclictest0-21swapper/010:00:250
3400999993824,9cyclictest0-21swapper/011:50:020
3400999993824,9cyclictest0-21swapper/011:50:010
3400999993824,9cyclictest0-21swapper/009:00:270
3400999993824,11cyclictest0-21swapper/011:15:170
340099999381,6cyclictest0-21swapper/010:40:020
340099999381,35cyclictest3438539-21users11:05:290
340099999381,35cyclictest3438539-21users11:05:280
340099999381,35cyclictest0-21swapper/010:51:400
340099999381,35cyclictest0-21swapper/008:25:180
3401005993727,6cyclictest3430915-21cat10:25:022
3401005993721,8cyclictest0-21swapper/212:20:282
3401005993720,10cyclictest0-21swapper/210:15:012
3401005993717,12cyclictest3416463-21apt-get09:00:162
3401001993726,6cyclictest0-21swapper/110:30:191
3400999993730,5cyclictest0-21swapper/012:00:290
3400999993730,4cyclictest0-21swapper/007:25:110
3400999993721,14cyclictest0-21swapper/011:25:130
340099999371,3cyclictest3413928-21apt-get08:45:150
340099999371,3cyclictest3413928-21apt-get08:45:150
340099999371,34cyclictest0-21swapper/007:50:360
340100599364,6cyclictest30-21rcuc/208:30:282
3401005993626,6cyclictest0-21swapper/208:05:002
3401005993625,7cyclictest3411112-21unixbench_multi08:25:282
3401005993624,7cyclictest311ktimers/211:40:212
3401005993623,8cyclictest311ktimers/208:05:062
3401005993620,8cyclictest0-21swapper/208:45:202
3401005993620,8cyclictest0-21swapper/208:45:202
3401001993629,5cyclictest167450irq/126-8000000.ethernet-tx110:30:011
3401001993628,4cyclictest0-21swapper/110:45:271
3401001993621,10cyclictest0-21swapper/110:10:281
3401001993618,15cyclictest231ktimers/111:15:111
3400999993632,2cyclictest0-21swapper/011:35:280
3400999993630,4cyclictest0-21swapper/011:55:120
3400999993630,3cyclictest0-21swapper/012:10:130
340099999361,33cyclictest0-21swapper/012:38:220
340099999361,33cyclictest0-21swapper/009:55:280
340099999361,33cyclictest0-21swapper/009:55:280
340099999361,33cyclictest0-21swapper/009:38:450
340099999361,33cyclictest0-21swapper/008:50:140
340099999361,33cyclictest0-21swapper/007:41:360
3401005993527,5cyclictest311ktimers/209:35:022
3401005993524,6cyclictest0-21swapper/211:59:592
3401005993519,9cyclictest0-21swapper/211:00:292
3401005993519,9cyclictest0-21swapper/211:00:292
3401005993519,8cyclictest3440183-21grep11:15:272
3401005993518,10cyclictest0-21swapper/211:25:292
3401005993517,9cyclictest0-21swapper/207:15:142
3401005993516,13cyclictest0-21swapper/209:40:262
3401005993516,11cyclictest3418144-21apt-get09:10:162
3401001993527,6cyclictest0-21swapper/111:25:011
3401001993527,5cyclictest3417833-21grep09:05:281
3401001993527,5cyclictest3417833-21grep09:05:281
3401001993515,16cyclictest231ktimers/109:35:101
3400999993529,4cyclictest20850irq/208-8000000.ethernet07:55:240
340099999352,5cyclictest3413633-21sed08:40:270
3400999993521,12cyclictest0-21swapper/010:25:060
340099999351,32cyclictest0-21swapper/010:30:170
340099999351,32cyclictest0-21swapper/009:21:190
340099999351,32cyclictest0-21swapper/007:33:050
3401005993425,6cyclictest3402788-21/usr/sbin/munin07:25:142
3401005993423,7cyclictest0-21swapper/211:45:282
3401005993423,7cyclictest0-21swapper/211:45:272
3401005993416,6cyclictest0-21swapper/207:35:072
3401001993423,8cyclictest0-21swapper/109:50:281
3401001993421,5cyclictest0-21swapper/110:05:001
3400999993428,4cyclictest1261-21rs:main0
3400999993427,4cyclictest20850irq/208-8000000.ethernet10:05:230
340099999341,28cyclictest0-21swapper/007:10:000
3401005993325,4cyclictest0-21swapper/210:30:262
3401005993319,10cyclictest0-21swapper/212:05:282
3401005993313,13cyclictest3404936-21munin-node07:45:082
3401001993326,4cyclictest167450irq/126-8000000.ethernet-tx110:40:431
3401001993324,4cyclictest0-21swapper/108:05:011
3401001993323,7cyclictest3414567-21munin-plugin-st08:50:011
3401001993323,7cyclictest3414567-21munin-plugin-st08:50:001
3401001993321,5cyclictest0-21swapper/109:20:191
3401001993320,8cyclictest0-21swapper/110:20:241
340100199331,2cyclictest0-21swapper/107:45:001
340100599325,19cyclictest3449051-21ssh12:10:182
3401005993220,7cyclictest0-21swapper/207:15:002
3401005993220,7cyclictest0-21swapper/207:15:002
340100199327,19cyclictest22-21rcuc/111:55:011
3401001993225,4cyclictest231ktimers/111:30:101
3401001993222,7cyclictest0-21swapper/111:05:211
3401001993222,7cyclictest0-21swapper/111:05:211
3401001993222,7cyclictest0-21swapper/110:50:191
3401001993220,9cyclictest0-21swapper/112:25:251
3401001993220,9cyclictest0-21swapper/112:25:251
340100199321,4cyclictest0-21swapper/108:25:011
3401005993116,7cyclictest3401172-21kworker/u8:3+rpciod07:34:262
3401001993118,7cyclictest3443944-21lsblk11:40:201
340100199311,25cyclictest0-21swapper/110:55:271
3401001993023,4cyclictest0-21swapper/109:50:011
3401001993022,6cyclictest0-21swapper/109:20:021
3401001993022,6cyclictest0-21swapper/109:20:021
3401001993018,8cyclictest0-21swapper/112:30:281
340100199301,2cyclictest0-21swapper/107:10:011
3401001993010,4cyclictest832-21systemd-network12:23:111
3401001992921,5cyclictest0-21swapper/108:35:271
3401001992921,4cyclictest14-21rcu_preempt12:10:081
3401001992918,7cyclictest0-21swapper/107:25:231
340100599283,8cyclictest3401055-21latency_hist07:10:002
3401001992820,5cyclictest0-21swapper/107:12:261
3401001992820,5cyclictest0-21swapper/107:12:251
3401001992816,4cyclictest0-21swapper/108:35:021
3401001992815,8cyclictest0-21swapper/112:15:251
340100199281,3cyclictest0-21swapper/109:30:171
340100599272,2cyclictest0-21swapper/207:25:012
3401001992718,7cyclictest1660-21snmpd09:03:121
3401001992711,11cyclictest0-21swapper/110:15:201
3401001992618,6cyclictest1660-21snmpd07:22:521
3401001992614,8cyclictest0-21swapper/111:30:001
340100199250,22cyclictest1660-21snmpd07:52:591
340100199241,21cyclictest0-21swapper/107:33:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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