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2026-05-11 - 04:02

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 Mon May 11, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
388836799668,20cyclictest3915353-21/usr/sbin/munin21:45:182
3888362996661,3cyclictest23850irq/422-mmc120:55:010
388836599621,3cyclictest0-21swapper/121:35:011
3888362995521,9cyclictest3888359-21cyclictest00:25:000
3888362995349,2cyclictest0-21swapper/000:00:010
3888362995340,9cyclictest0-21swapper/000:20:010
388836299519,6cyclictest3916092-21cmp21:50:010
3888362995146,3cyclictest0-21swapper/023:35:120
3888362995146,3cyclictest0-21swapper/023:35:120
3888362995044,4cyclictest3905019-21munin-plugin-st20:44:590
388836799491,28cyclictest0-21swapper/219:55:012
388836799491,26cyclictest0-21swapper/200:20:022
3888362994941,4cyclictest167350irq/118-8000000.ethernet-tx020:00:210
3888365994837,8cyclictest3917771-21sendmail21:59:591
3888362994840,5cyclictest20650irq/252-8000000.ethernet19:49:590
3888362994840,4cyclictest167350irq/118-8000000.ethernet-tx020:34:590
3888362994839,5cyclictest167350irq/118-8000000.ethernet-tx020:10:270
3888362994839,5cyclictest167350irq/118-8000000.ethernet-tx020:10:270
3888365994733,11cyclictest231ktimers/122:40:091
3888362994739,4cyclictest167350irq/118-8000000.ethernet-tx019:15:010
3888362994734,10cyclictest3893761-21munin-plugin-st19:40:010
3888362994728,15cyclictest131ktimers/019:25:140
3888365994632,8cyclictest0-21swapper/119:50:271
3888362994639,4cyclictest3910053-21kworker/u8:2+events_freezable_power_21:25:130
3888367994534,8cyclictest0-21swapper/200:40:002
3888365994533,8cyclictest0-21swapper/100:10:001
3888365994531,9cyclictest0-21swapper/121:20:011
3888365994526,15cyclictest231ktimers/120:15:121
388836599451,4cyclictest0-21swapper/121:25:011
3888362994538,4cyclictest20650irq/252-8000000.ethernet22:35:170
3888362994531,10cyclictest0-21swapper/021:30:310
3888365994429,8cyclictest0-21swapper/122:10:291
3888362994437,4cyclictest167350irq/118-8000000.ethernet-tx019:50:220
3888362994436,4cyclictest167350irq/118-8000000.ethernet-tx021:10:160
3888362994435,7cyclictest3922002-21munin-plugin-st22:25:000
3888362994432,9cyclictest0-21swapper/020:40:010
3888362994431,9cyclictest0-21swapper/021:05:310
388836299442,4cyclictest3901085-21sh20:20:200
3888365994334,6cyclictest0-21swapper/123:40:001
3888365994334,6cyclictest0-21swapper/123:40:001
3888365994331,9cyclictest231ktimers/122:50:151
3888365994331,8cyclictest0-21swapper/100:30:281
3888365994329,9cyclictest0-21swapper/123:00:281
3888362994337,3cyclictest20650irq/252-8000000.ethernet19:40:290
3888362994336,4cyclictest3925316-21unixbench_singl22:40:270
3888367994228,10cyclictest0-21swapper/222:30:302
3888367994225,13cyclictest0-21swapper/200:15:002
3888365994232,5cyclictest0-21swapper/121:50:201
3888365994232,5cyclictest0-21swapper/121:50:191
3888365994230,6cyclictest0-21swapper/119:40:011
3888365994228,8cyclictest3891123-21tail19:20:271
3888365994226,11cyclictest0-21swapper/121:45:191
3888362994235,4cyclictest20650irq/252-8000000.ethernet00:25:240
3888365994132,5cyclictest0-21swapper/119:15:271
3888365994130,8cyclictest231ktimers/100:10:121
3888365994130,6cyclictest3932060-21grep23:20:281
3888365994128,10cyclictest231ktimers/100:35:141
3888365994125,8cyclictest0-21swapper/120:30:281
3888362994125,9cyclictest0-21swapper/020:05:290
388836299412,4cyclictest3919919-21irqstats22:10:230
388836299411,34cyclictest3918620-21latency_hist22:05:000
3888362994113,24cyclictest0-21swapper/023:20:010
388836799408,26cyclictest3922429-21if_eth022:25:212
388836799403,5cyclictest3928640-21unixbench_multi23:00:292
3888367994034,3cyclictest3912619-21munin-plugin-st21:30:002
3888367994025,10cyclictest0-21swapper/223:20:272
388836799401,23cyclictest0-21swapper/219:25:012
3888365994032,4cyclictest0-21swapper/122:30:001
3888365994030,5cyclictest0-21swapper/123:40:301
3888365994024,9cyclictest0-21swapper/119:55:291
3888362994032,5cyclictest131ktimers/023:40:300
388836299401,3cyclictest3919094-21kernelversion22:05:230
388836299401,37cyclictest0-21swapper/023:05:240
388836299401,2cyclictest0-21swapper/023:05:010
3888367993927,10cyclictest1283-21cron23:09:592
3888365993930,4cyclictest0-21swapper/120:40:291
3888365993929,6cyclictest0-21swapper/122:20:301
3888365993923,8cyclictest0-21swapper/122:15:291
3888365993923,8cyclictest0-21swapper/122:15:291
3888365993919,15cyclictest231ktimers/100:15:121
3888362993926,8cyclictest0-21swapper/021:35:290
388836299392,4cyclictest3945064-21munin-run00:40:000
3888362993923,14cyclictest0-21swapper/000:00:170
388836299391,36cyclictest0-21swapper/023:30:200
388836299391,36cyclictest0-21swapper/022:55:110
388836299391,36cyclictest0-21swapper/022:55:100
388836299391,36cyclictest0-21swapper/021:50:210
388836299391,36cyclictest0-21swapper/021:50:210
388836299391,36cyclictest0-21swapper/021:40:190
388836299391,36cyclictest0-21swapper/019:55:140
388836299391,36cyclictest0-21swapper/000:10:250
388836799383,9cyclictest3888359-21cyclictest23:45:012
3888367993830,5cyclictest0-21swapper/220:15:292
3888367993828,6cyclictest3939813-21munin-plugin-st00:10:002
3888367993827,7cyclictest3928031-21latency_hist23:00:012
3888367993827,7cyclictest3928031-21latency_hist23:00:012
3888367993825,7cyclictest0-21swapper/219:25:292
3888365993830,4cyclictest0-21swapper/122:35:281
3888365993828,5cyclictest0-21swapper/121:05:271
3888365993826,7cyclictest0-21swapper/120:10:281
3888365993826,7cyclictest0-21swapper/120:10:281
3888365993825,8cyclictest0-21swapper/119:15:011
3888362993832,4cyclictest3922654-21/usr/sbin/munin22:25:280
388836299382,8cyclictest0-21swapper/020:30:010
3888362993823,12cyclictest0-21swapper/021:20:260
3888362993821,15cyclictest0-21swapper/022:45:110
388836299381,35cyclictest0-21swapper/021:00:150
388836299381,35cyclictest0-21swapper/020:45:160
388836299381,35cyclictest0-21swapper/000:05:280
388836799379,15cyclictest3920498-21/usr/sbin/munin22:15:192
388836799379,15cyclictest3920498-21/usr/sbin/munin22:15:192
3888367993730,4cyclictest3921733-21proc_pri22:20:272
3888367993728,5cyclictest0-21swapper/223:25:192
3888367993727,5cyclictest0-21swapper/219:45:282
3888367993725,8cyclictest0-21swapper/223:15:302
3888367993724,9cyclictest0-21swapper/223:55:022
388836799371,29cyclictest3917120-21/usr/sbin/munin21:55:172
3888365993729,5cyclictest0-21swapper/119:40:271
3888365993726,7cyclictest0-21swapper/120:00:291
3888362993731,4cyclictest0-21swapper/023:50:220
3888362993727,7cyclictest0-21swapper/019:30:290
388836299371,34cyclictest0-21swapper/023:20:280
388836299371,34cyclictest0-21swapper/023:10:140
3888367993625,7cyclictest0-21swapper/222:40:182
3888367993625,5cyclictest0-21swapper/222:05:292
3888367993621,11cyclictest0-21swapper/220:20:282
3888365993625,8cyclictest3914882-21ps21:40:271
3888365993624,8cyclictest0-21swapper/120:45:301
3888365993624,8cyclictest0-21swapper/119:25:221
3888365993622,8cyclictest0-21swapper/120:50:261
3888362993630,4cyclictest20850irq/208-8000000.ethernet20:15:240
3888362993629,4cyclictest3917779-21sendmail22:00:000
388836299361,33cyclictest0-21swapper/023:25:110
388836299361,33cyclictest0-21swapper/020:57:390
388836799355,2cyclictest0-21swapper/221:35:012
3888367993527,5cyclictest0-21swapper/219:15:042
3888367993526,5cyclictest0-21swapper/220:10:272
3888367993526,5cyclictest0-21swapper/220:10:272
3888367993524,8cyclictest3936244-21unixbench_multi23:45:302
3888367993520,11cyclictest0-21swapper/221:40:002
3888365993528,4cyclictest14-21rcu_preempt22:10:011
3888365993527,5cyclictest0-21swapper/120:20:251
3888365993525,7cyclictest0-21swapper/119:50:001
3888365993522,9cyclictest0-21swapper/120:05:211
3888362993529,4cyclictest20850irq/208-8000000.ethernet19:15:050
3888362993528,4cyclictest131ktimers/000:30:220
3888362993528,4cyclictest0-21swapper/022:30:160
3888362993523,8cyclictest0-21swapper/023:45:310
3888362993523,8cyclictest0-21swapper/022:15:290
3888362993523,8cyclictest0-21swapper/022:15:290
388836299351,32cyclictest0-21swapper/019:21:520
388836799343,14cyclictest3893936-21gpgconf19:40:022
3888367993420,9cyclictest0-21swapper/220:25:302
3888367993418,11cyclictest0-21swapper/222:10:282
3888367993415,11cyclictest0-21swapper/220:40:022
3888365993425,5cyclictest0-21swapper/121:25:201
3888365993424,6cyclictest0-21swapper/100:25:291
388836599341,2cyclictest0-21swapper/119:35:011
3888367993326,4cyclictest0-21swapper/219:30:162
3888367993325,4cyclictest3894654-21head19:40:292
3888367993323,5cyclictest0-21swapper/220:55:272
3888367993322,7cyclictest0-21swapper/220:40:292
3888367993321,8cyclictest0-21swapper/219:15:012
3888367993320,9cyclictest0-21swapper/200:00:292
3888365993325,6cyclictest3935706-21/usr/sbin/munin23:45:301
3888365993325,4cyclictest0-21swapper/120:30:011
3888365993323,5cyclictest0-21swapper/122:05:001
3888365993322,7cyclictest0-21swapper/123:55:291
3888365993322,6cyclictest0-21swapper/123:25:141
388836599331,5cyclictest22-21rcuc/100:20:221
3888362993328,3cyclictest0-21swapper/021:15:240
3888362993327,4cyclictest0-21swapper/022:50:270
388836799322,6cyclictest0-21swapper/222:50:282
3888367993224,5cyclictest0-21swapper/221:00:262
3888367993223,6cyclictest0-21swapper/221:10:272
3888367993221,7cyclictest0-21swapper/220:50:272
3888365993225,4cyclictest0-21swapper/122:45:281
3888365993220,8cyclictest0-21swapper/120:55:201
3888365993219,9cyclictest0-21swapper/121:35:291
388836599321,6cyclictest0-21swapper/122:55:221
388836599321,6cyclictest0-21swapper/122:55:221
388836599321,2cyclictest0-21swapper/121:15:001
3888367993121,6cyclictest0-21swapper/221:50:292
3888367993121,6cyclictest0-21swapper/221:50:292
388836799311,29cyclictest0-21swapper/200:25:252
388836599311,4cyclictest3936845-21meminfo23:50:251
388836599311,2cyclictest0-21swapper/119:10:011
3888367993023,5cyclictest3933168-21/usr/sbin/munin23:30:222
3888367993023,4cyclictest0-21swapper/220:35:002
3888367993022,4cyclictest0-21swapper/221:40:282
388836799301,10cyclictest1653-21lldpd21:05:562
3888365993021,5cyclictest0-21swapper/100:00:211
3888367992921,6cyclictest1660-21snmpd22:01:562
3888367992921,4cyclictest0-21swapper/222:35:212
3888367992920,6cyclictest0-21swapper/221:15:192
3888365992922,5cyclictest0-21swapper/123:07:101
3888365992921,5cyclictest0-21swapper/123:35:001
3888365992920,7cyclictest3907755-21/usr/sbin/munin21:00:211
3888365992917,8cyclictest0-21swapper/122:30:211
3888367992821,4cyclictest3898931-21grep20:05:282
3888367992819,7cyclictest0-21swapper/219:55:282
3888367992819,6cyclictest3926205-21cron22:50:012
3888367992818,6cyclictest0-21swapper/220:50:012
388836799281,25cyclictest0-21swapper/200:30:172
3888365992821,4cyclictest0-21swapper/123:15:281
3888365992816,8cyclictest0-21swapper/120:35:291
3888365992814,11cyclictest0-21swapper/123:10:291
3888367992721,4cyclictest0-21swapper/223:55:182
3888367992718,7cyclictest311ktimers/220:00:142
3888367992718,5cyclictest0-21swapper/223:10:282
3888367992618,6cyclictest311ktimers/200:20:062
3888367992615,9cyclictest3911724-21unixbench_singl21:20:292
3888362992620,4cyclictest20850irq/208-8000000.ethernet19:10:000
3888367992516,7cyclictest311ktimers/223:35:282
3888367992516,7cyclictest311ktimers/223:35:282
388836799219,7cyclictest0-21swapper/219:10:012
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