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2025-12-23 - 05:45

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 Tue Dec 23, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2436352997662,4cyclictest231ktimers/120:25:021
2436354997127,5cyclictest0-21swapper/220:20:012
2436354997026,5cyclictest0-21swapper/223:20:302
2436354996541,19cyclictest2449370-21munin-plugin-st20:25:012
2436354996328,29cyclictest0-21swapper/219:40:002
243635499619,27cyclictest2481946-21/usr/sbin/munin23:35:182
2436354996151,6cyclictest311ktimers/219:45:102
2436354996125,4cyclictest0-21swapper/221:10:012
2436354996125,4cyclictest0-21swapper/221:10:012
2436354996121,9cyclictest0-21swapper/200:30:022
2436354996120,9cyclictest0-21swapper/223:30:282
2436354996120,7cyclictest0-21swapper/220:05:282
243635099601,4cyclictest0-21swapper/022:45:160
243635099601,4cyclictest0-21swapper/022:45:160
2436354995920,8cyclictest0-21swapper/220:00:302
2436354995833,22cyclictest2462965-21cron21:45:002
2436354995827,4cyclictest167550irq/134-8000000.ethernet-tx200:15:002
2436354995827,27cyclictest2479211-21munin-plugin-st23:20:002
2436354995827,27cyclictest2479211-21munin-plugin-st23:20:002
2436354995725,5cyclictest47-21kauditd23:45:002
2436352995749,5cyclictest0-21swapper/119:55:001
2436354995624,5cyclictest0-21swapper/220:55:302
2436354995526,25cyclictest0-21swapper/221:55:282
2436354995430,20cyclictest2462106-21cron21:40:002
2436354995427,23cyclictest0-21swapper/219:20:012
243635499532,19cyclictest0-21swapper/200:35:002
2436350995326,24cyclictest20850irq/208-8000000.ethernet19:25:180
2436354995240,8cyclictest2490390-21munin-plugin-st00:25:002
2436352995243,6cyclictest2438283-21run-parts19:20:011
2436352995231,11cyclictest22-21rcuc/121:50:011
2436350995243,5cyclictest0-21swapper/023:50:160
2436350995142,6cyclictest2461275-21munin-plugin-st21:35:000
2436350994931,15cyclictest167350irq/118-8000000.ethernet-tx023:20:250
2436352994840,4cyclictest2485129-21munin-plugin-st23:55:001
2436350994841,4cyclictest2479218-21sendmail23:20:000
2436350994841,4cyclictest2479218-21sendmail23:20:000
2436350994840,4cyclictest167350irq/118-8000000.ethernet-tx021:05:290
2436350994840,4cyclictest167350irq/118-8000000.ethernet-tx021:05:280
2436350994836,8cyclictest2450126-21grep20:25:260
243635099481,45cyclictest0-21swapper/019:55:200
2436352994733,9cyclictest0-21swapper/123:40:301
2436352994732,10cyclictest0-21swapper/100:30:011
2436350994739,4cyclictest0-21swapper/021:35:150
243635099472,4cyclictest0-21swapper/020:35:000
243635099472,43cyclictest0-21swapper/000:35:320
2436354994637,5cyclictest0-21swapper/220:45:202
243635299464,15cyclictest22-21rcuc/123:50:001
243635299461,4cyclictest0-21swapper/121:15:011
2436350994634,9cyclictest0-21swapper/021:50:010
2436350994633,8cyclictest0-21swapper/023:05:290
2436350994520,22cyclictest23850irq/422-mmc120:05:020
243635099451,4cyclictest0-21swapper/000:00:210
2436354994425,10cyclictest0-21swapper/200:05:012
2436350994438,2cyclictest0-21swapper/021:15:160
2436350994437,4cyclictest167350irq/118-8000000.ethernet-tx000:15:200
2436350994432,7cyclictest0-21swapper/020:50:230
2436350994432,7cyclictest0-21swapper/020:50:230
243635099441,41cyclictest0-21swapper/019:15:030
2436352994329,10cyclictest0-21swapper/121:55:291
2436352994327,12cyclictest1653-21lldpd21:05:141
2436352994327,12cyclictest1653-21lldpd21:05:141
243635299431,8cyclictest0-21swapper/121:00:001
2436350994336,5cyclictest2453588-21munin-plugin-st20:50:000
2436350994336,4cyclictest167350irq/118-8000000.ethernet-tx023:55:240
2436350994335,4cyclictest20850irq/208-8000000.ethernet19:50:270
2436350994335,4cyclictest131ktimers/023:00:290
2436350994335,4cyclictest131ktimers/023:00:290
2436350994333,6cyclictest2480797-21grep23:25:280
2436350994333,6cyclictest2470762-21latency_hist22:30:000
2436350994331,9cyclictest0-21swapper/023:35:290
243635099432,5cyclictest2465014-21diskstats21:55:190
243635499423,32cyclictest2442410-21unixbench_multi19:40:262
2436354994230,6cyclictest0-21swapper/221:20:282
2436354994230,6cyclictest0-21swapper/221:20:282
2436354994210,21cyclictest2467570-21/usr/sbin/munin22:10:192
243635299427,10cyclictest2436346-21cyclictest00:25:011
2436352994229,7cyclictest0-21swapper/119:50:291
2436352994223,11cyclictest0-21swapper/123:05:001
2436352994223,11cyclictest0-21swapper/123:05:001
243635299421,33cyclictest0-21swapper/119:20:301
2436350994235,4cyclictest2455689-21/usr/sbin/munin21:00:220
2436350994234,5cyclictest0-21swapper/000:15:000
2436350994234,4cyclictest167350irq/118-8000000.ethernet-tx021:50:270
2436350994228,8cyclictest0-21swapper/022:50:290
243635099422,5cyclictest2448988-21irqstats20:20:220
243635099421,35cyclictest0-21swapper/023:50:010
243635099421,2cyclictest0-21swapper/022:40:000
2436354994128,9cyclictest0-21swapper/222:55:282
2436352994127,9cyclictest0-21swapper/121:04:591
2436352994127,8cyclictest0-21swapper/121:25:291
2436350994129,8cyclictest0-21swapper/019:45:270
2436350994125,14cyclictest167350irq/118-8000000.ethernet-tx022:10:130
243635099412,4cyclictest2490586-21/usr/sbin/munin00:25:290
243635099411,9cyclictest0-21swapper/000:10:000
243635099411,6cyclictest2466439-21latency_hist22:05:020
243635099411,3cyclictest2471571-21users22:30:290
243635099411,3cyclictest2471571-21users22:30:290
243635099411,37cyclictest0-21swapper/000:20:220
243635299406,28cyclictest0-21swapper/120:50:251
243635299406,28cyclictest0-21swapper/120:50:241
2436352994031,5cyclictest167450irq/126-8000000.ethernet-tx119:35:151
2436352994030,5cyclictest0-21swapper/100:10:281
243635299401,4cyclictest0-21swapper/122:40:011
2436350994033,4cyclictest0-21swapper/019:35:250
2436350994032,4cyclictest0-21swapper/021:40:260
2436350994030,7cyclictest0-21swapper/020:05:300
2436350994027,8cyclictest0-21swapper/019:40:270
2436350994027,8cyclictest0-21swapper/019:15:010
243635099401,38cyclictest0-21swapper/022:15:110
2436352993932,3cyclictest167450irq/126-8000000.ethernet-tx122:55:281
2436352993928,6cyclictest0-21swapper/123:25:281
2436352993923,10cyclictest0-21swapper/100:05:291
243635299391,4cyclictest2450940-21unixbench_multi20:30:281
243635299391,32cyclictest0-21swapper/120:25:241
2436350993932,4cyclictest0-21swapper/022:40:130
2436350993920,15cyclictest0-21swapper/020:15:050
243635099391,36cyclictest0-21swapper/023:30:170
243635099391,36cyclictest0-21swapper/022:55:180
243635099391,35cyclictest2440283-21tune2fs19:30:210
243635499383,28cyclictest0-21swapper/223:45:202
2436354993831,4cyclictest0-21swapper/200:20:002
243635499382,34cyclictest2485859-21grep23:55:312
243635299383,29cyclictest22-21rcuc/121:50:281
2436352993828,7cyclictest2451895-21sendmail20:40:011
243635299381,31cyclictest2446937-21/usr/sbin/munin20:10:241
2436350993828,7cyclictest131ktimers/021:25:200
243635099382,31cyclictest2491583-21fschecks_time00:30:210
243635099381,3cyclictest0-21swapper/021:20:270
243635099381,3cyclictest0-21swapper/021:20:260
243635099381,35cyclictest2452264-21dropbear20:40:210
243635099381,35cyclictest0-21swapper/023:10:140
243635099381,35cyclictest0-21swapper/021:14:590
2436354993726,6cyclictest0-21swapper/222:20:312
2436354993726,5cyclictest0-21swapper/200:35:232
2436354993725,8cyclictest2461276-21munin-plugin-st21:35:002
2436352993730,3cyclictest2466152-21phc2sys-jitter22:00:281
2436352993726,7cyclictest0-21swapper/119:40:271
2436352993724,9cyclictest0-21swapper/121:40:261
2436352993724,8cyclictest0-21swapper/121:35:281
2436350993729,4cyclictest167350irq/118-8000000.ethernet-tx021:00:000
2436350993725,8cyclictest0-21swapper/022:20:300
243635099371,34cyclictest0-21swapper/019:21:290
2436354993627,5cyclictest2480844-21grep23:25:282
2436354993626,7cyclictest0-21swapper/219:10:282
243635299362,3cyclictest2452571-21mailstats20:40:281
2436350993627,5cyclictest2436400-21latency_hist19:10:000
2436354993526,5cyclictest2466336-21unixbench_multi22:00:302
2436354993526,5cyclictest0-21swapper/223:15:012
2436354993523,9cyclictest0-21swapper/219:30:282
2436352993526,6cyclictest2477461-21unixbench_singl23:05:301
243635299352,5cyclictest14-21rcu_preempt20:05:291
2436352993525,5cyclictest0-21swapper/122:15:151
2436352993523,9cyclictest0-21swapper/123:55:291
2436352993521,7cyclictest0-21swapper/122:25:301
243635299351,31cyclictest0-21swapper/121:15:281
243635299351,28cyclictest0-21swapper/122:20:301
2436350993529,4cyclictest20850irq/208-8000000.ethernet20:10:240
2436350993526,5cyclictest0-21swapper/020:35:170
243635099351,9cyclictest2467480-21date22:10:010
2436354993424,6cyclictest0-21swapper/222:15:282
2436352993424,6cyclictest2474104-21grep22:45:331
2436352993424,6cyclictest2474104-21grep22:45:331
2436352993423,9cyclictest2448514-21sendmail20:20:001
2436352993421,8cyclictest0-21swapper/123:15:311
2436352993421,8cyclictest0-21swapper/123:15:311
2436352993421,8cyclictest0-21swapper/122:40:281
2436354993326,4cyclictest0-21swapper/222:50:292
2436352993324,6cyclictest1653-21lldpd21:20:151
2436352993324,6cyclictest1653-21lldpd21:20:151
243635099331,25cyclictest2483589-21sed23:45:010
243635499325,18cyclictest2464101-21/usr/sbin/munin21:50:202
2436354993224,5cyclictest2439873-21grep19:25:282
2436354993223,5cyclictest0-21swapper/219:50:212
2436354993221,7cyclictest0-21swapper/220:40:012
2436354993219,9cyclictest0-21swapper/222:10:002
243635499321,25cyclictest0-21swapper/221:10:112
2436352993222,5cyclictest0-21swapper/100:30:291
243635299321,5cyclictest0-21swapper/122:55:011
243635299321,29cyclictest0-21swapper/119:10:291
243635299321,25cyclictest0-21swapper/119:30:251
243635299320,13cyclictest205-21ptp023:20:261
2436354993121,5cyclictest2476659-21sshd23:02:202
2436354993121,5cyclictest2476659-21sshd23:02:202
2436354993120,8cyclictest2471797-21/usr/sbin/munin22:35:102
2436354993119,7cyclictest0-21swapper/222:50:002
2436354993119,7cyclictest0-21swapper/222:50:002
2436352993121,7cyclictest2488794-21/usr/sbin/munin00:15:131
2436352993120,8cyclictest0-21swapper/100:00:231
2436352993118,8cyclictest0-21swapper/121:35:001
243635299311,6cyclictest0-21swapper/122:10:141
2436354993023,5cyclictest2455628-21sshd21:00:212
2436354993020,5cyclictest0-21swapper/220:10:302
2436354993019,8cyclictest0-21swapper/222:25:282
2436354993019,5cyclictest311ktimers/221:25:122
2436354993017,9cyclictest0-21swapper/223:05:282
2436352993023,4cyclictest0-21swapper/123:35:271
243635299302,2cyclictest0-21swapper/119:10:001
2436352993018,8cyclictest2439486-21sh19:25:211
243635299301,5cyclictest0-21swapper/120:05:011
2436354992917,9cyclictest311ktimers/221:45:242
2436354992917,8cyclictest0-21swapper/220:40:262
243635499291,26cyclictest0-21swapper/222:30:242
243635499291,26cyclictest0-21swapper/222:30:242
243635299291,3cyclictest0-21swapper/122:35:011
243635299291,3cyclictest0-21swapper/122:35:011
243635499286,9cyclictest2484486-21/usr/sbin/munin23:50:202
2436354992821,3cyclictest0-21swapper/219:55:222
2436354992820,6cyclictest2487025-21/usr/sbin/munin00:05:272
2436354992812,10cyclictest2472656-21/usr/sbin/munin22:40:202
2436352992822,4cyclictest2478363-21munin-plugin-st23:15:001
243635299281,2cyclictest0-21swapper/100:40:011
2436354992717,5cyclictest0-21swapper/221:20:012
2436354992717,5cyclictest0-21swapper/220:50:272
2436354992717,5cyclictest0-21swapper/220:50:272
2436352992719,6cyclictest0-21swapper/123:30:281
2436352992718,6cyclictest0-21swapper/122:05:281
2436352992617,7cyclictest231ktimers/120:45:171
2436354992516,7cyclictest311ktimers/220:25:272
2436354992516,6cyclictest1660-21snmpd20:31:072
2436352992515,7cyclictest0-21swapper/119:45:271
243635499223,14cyclictest2438835-21tail19:20:282
243635499213,12cyclictest2436356-21latency_hist19:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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