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2026-03-25 - 15:48

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 Wed Mar 25, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55223999752,4cyclictest578007-21meminfo09:35:250
55223999723,5cyclictest591641-21ptp4l-jitter10:55:270
552243997164,4cyclictest32-21ksoftirqd/210:35:192
552243997164,4cyclictest32-21ksoftirqd/210:35:192
55223999702,5cyclictest605977-21fschecks_count12:20:200
552239997023,9cyclictest0-21swapper/009:20:290
552239996529,5cyclictest0-21swapper/009:10:280
55223999652,11cyclictest605416-21tail12:15:270
552239996519,5cyclictest583079-1kworker/0:0H+mmc_complete11:05:010
552239996519,5cyclictest583079-1kworker/0:0H+mmc_complete11:05:010
552239996511,51cyclictest0-21swapper/007:15:030
55223999642,4cyclictest564608-21cat08:20:010
552239996330,5cyclictest167350irq/118-8000000.ethernet-tx012:30:220
55224099625,35cyclictest22-21rcuc/110:25:011
552239996226,8cyclictest0-21swapper/009:50:280
552239996220,8cyclictest0-21swapper/007:10:010
55224099601,21cyclictest22-21rcuc/108:05:021
552239996022,12cyclictest131ktimers/008:25:170
55223999597,15cyclictest0-21swapper/012:00:010
55224399581,27cyclictest0-21swapper/211:30:012
552239995829,4cyclictest20850irq/208-8000000.ethernet11:05:120
552239995721,12cyclictest131ktimers/010:15:170
552239995627,4cyclictest20850irq/208-8000000.ethernet09:00:170
552240995516,11cyclictest553041-21apt-get07:15:011
55223999558,28cyclictest20850irq/208-8000000.ethernet12:25:190
552243995327,13cyclictest0-21swapper/211:50:152
552239995345,5cyclictest563642-21munin-run08:15:000
552243995229,15cyclictest0-21swapper/207:35:142
552243995226,14cyclictest0-21swapper/210:55:132
55223999521,49cyclictest0-21swapper/009:30:120
552243995134,10cyclictest578353-21sendmail09:40:002
552243995131,14cyclictest0-21swapper/210:10:112
55224399511,32cyclictest0-21swapper/208:05:012
552240995013,6cyclictest555955-21apt-get07:30:011
55223999508,8cyclictest570559-21gpg-connect-age08:55:020
55223999508,8cyclictest570559-21gpg-connect-age08:55:010
552239995037,9cyclictest0-21swapper/007:55:000
552239995027,18cyclictest131ktimers/011:10:140
55223999501,5cyclictest576579-21apt09:30:000
552243994935,9cyclictest0-21swapper/211:05:012
552243994935,9cyclictest0-21swapper/211:05:012
552243994927,11cyclictest0-21swapper/211:45:122
552243994925,12cyclictest0-21swapper/210:00:132
552243994924,12cyclictest552234-21cyclictest07:55:122
552243994923,14cyclictest0-21swapper/209:15:132
55224399491,27cyclictest0-21swapper/210:35:012
55224399491,14cyclictest0-21swapper/209:00:192
552239994939,5cyclictest20650irq/252-8000000.ethernet07:15:010
552243994838,5cyclictest0-21swapper/207:15:052
552243994836,8cyclictest556245-21munin-node07:30:102
552243994828,12cyclictest0-21swapper/208:20:282
55224099487,2cyclictest0-21swapper/107:55:001
552240994831,9cyclictest0-21swapper/110:20:001
552243994728,13cyclictest0-21swapper/207:40:122
552243994725,16cyclictest0-21swapper/209:50:122
55224099471,4cyclictest0-21swapper/107:30:181
552243994630,9cyclictest590377-21apt-get10:50:152
552243994630,9cyclictest590377-21apt-get10:50:152
552243994627,14cyclictest0-21swapper/211:55:112
552243994623,17cyclictest0-21swapper/207:45:122
552243994623,17cyclictest0-21swapper/207:45:122
552243994622,12cyclictest0-21swapper/212:00:112
552240994635,2cyclictest0-21swapper/108:55:011
552240994635,2cyclictest0-21swapper/108:55:011
55223999465,21cyclictest0-21swapper/007:40:020
552239994635,6cyclictest0-21swapper/010:45:270
552243994527,8cyclictest0-21swapper/210:20:302
552243994520,11cyclictest0-21swapper/212:15:132
55224099458,15cyclictest24-21ksoftirqd/111:00:001
552240994533,6cyclictest0-21swapper/108:20:291
552240994531,9cyclictest0-21swapper/109:45:281
552239994534,7cyclictest167350irq/118-8000000.ethernet-tx011:30:050
552239994519,5cyclictest583079-1kworker/0:0H+mmc_complete10:45:010
55224399447,31cyclictest0-21swapper/208:45:202
552243994436,4cyclictest579207-21munin-plugin-st09:45:002
552243994424,15cyclictest0-21swapper/210:25:142
552243994424,13cyclictest598665-21/usr/sbin/munin11:35:262
552243994424,13cyclictest576549-21/usr/sbin/munin09:25:282
552243994423,13cyclictest595925-21/usr/sbin/munin11:20:222
552243994423,13cyclictest573774-21/usr/sbin/munin09:10:272
552243994422,15cyclictest581599-21/usr/sbin/munin09:55:272
552243994422,15cyclictest581599-21/usr/sbin/munin09:55:262
552240994426,13cyclictest231ktimers/111:35:141
552239994433,6cyclictest0-21swapper/007:20:290
55223999443,30cyclictest599938-21/usr/sbin/munin11:45:180
55223999442,15cyclictest0-21swapper/008:25:010
552243994331,7cyclictest576579-21apt-get09:30:052
552243994330,7cyclictest552982-21grep07:10:282
552243994329,9cyclictest0-21swapper/208:40:112
552243994329,9cyclictest0-21swapper/208:40:112
552243994327,9cyclictest0-21swapper/211:45:002
552243994327,9cyclictest0-21swapper/211:45:002
552243994327,10cyclictest0-21swapper/208:15:152
552243994323,13cyclictest595090-21/usr/sbin/munin11:15:252
552243994323,13cyclictest567732-21/usr/sbin/munin08:35:292
552243994322,12cyclictest579716-21/usr/sbin/munin09:45:252
552243994322,11cyclictest0-21swapper/209:20:212
552240994333,6cyclictest0-21swapper/107:35:281
552240994326,9cyclictest0-21swapper/107:15:211
55223999431,39cyclictest0-21swapper/008:40:250
55223999431,39cyclictest0-21swapper/008:40:250
552243994229,8cyclictest605860-21/usr/sbin/munin12:20:292
552243994227,9cyclictest0-21swapper/211:10:122
552243994227,8cyclictest0-21swapper/212:30:002
552243994226,9cyclictest570395-21apt-get08:55:052
552243994226,9cyclictest570395-21apt-get08:55:052
552243994224,10cyclictest607851-21/usr/sbin/munin12:30:262
552243994223,13cyclictest559849-21/usr/sbin/munin07:50:232
552243994222,14cyclictest597476-21/usr/sbin/munin11:30:182
552240994228,8cyclictest0-21swapper/111:15:021
552240994225,9cyclictest0-21swapper/111:50:281
552240994225,8cyclictest0-21swapper/107:40:281
552239994235,4cyclictest167350irq/118-8000000.ethernet-tx009:40:240
552239994230,7cyclictest596996-21grep11:25:260
552239994227,11cyclictest0-21swapper/008:30:280
55223999421,6cyclictest594480-21apt-get11:15:050
552243994128,9cyclictest563059-21ssh08:10:162
552243994127,9cyclictest0-21swapper/208:50:142
552243994127,9cyclictest0-21swapper/208:50:142
552243994114,16cyclictest555374-21dropbear07:25:152
552240994133,5cyclictest603958-21apt12:10:011
552240994133,5cyclictest0-21swapper/112:15:001
552240994131,6cyclictest555120-21munin-plugin-st07:25:001
552240994125,10cyclictest0-21swapper/108:40:281
552240994125,10cyclictest0-21swapper/108:40:281
552243994032,3cyclictest588793-21ssh10:40:182
552243994028,8cyclictest0-21swapper/212:35:112
552243994028,8cyclictest0-21swapper/212:35:102
552243994027,9cyclictest0-21swapper/208:25:142
552243994025,10cyclictest0-21swapper/208:30:122
552243994023,12cyclictest0-21swapper/212:10:142
552243994023,11cyclictest562742-21grep08:05:292
552243994022,12cyclictest1660-21snmpd07:20:242
552240994031,5cyclictest567871-21sendmail08:40:001
552240994028,9cyclictest1283-21cron09:35:001
552239994029,4cyclictest0-21swapper/009:55:190
552239994029,4cyclictest0-21swapper/009:55:190
552243993927,7cyclictest584683-21/usr/sbin/munin10:15:222
55224099399,19cyclictest596470-21/usr/sbin/munin11:25:181
552240993927,8cyclictest0-21swapper/109:40:001
552239993926,9cyclictest131ktimers/009:15:110
552239993925,6cyclictest0-21swapper/012:35:270
552239993925,6cyclictest0-21swapper/012:35:270
552243993828,7cyclictest593001-21/usr/sbin/munin11:05:292
552243993826,8cyclictest573100-21sshd09:09:242
552243993825,7cyclictest590158-21sshd10:47:242
55224099389,13cyclictest566379-21/usr/sbin/munin08:30:191
552240993828,7cyclictest231ktimers/110:00:151
552240993827,7cyclictest231ktimers/111:20:111
552240993825,9cyclictest0-21swapper/111:00:271
552240993825,9cyclictest0-21swapper/111:00:271
55224099381,2cyclictest0-21swapper/112:20:011
552240993811,22cyclictest0-21swapper/109:10:271
552240993811,11cyclictest24-21ksoftirqd/110:55:011
552240993811,11cyclictest24-21ksoftirqd/110:55:011
552239993831,4cyclictest167350irq/118-8000000.ethernet-tx007:25:190
552239993830,6cyclictest0-21swapper/011:35:250
552239993829,6cyclictest0-21swapper/012:05:270
55223999381,2cyclictest0-21swapper/012:15:030
55223999381,2cyclictest0-21swapper/011:25:010
552243993724,9cyclictest582852-21/usr/sbin/munin10:05:182
552243993722,12cyclictest603372-21/usr/sbin/munin12:05:152
552240993729,5cyclictest231ktimers/109:30:011
552240993729,4cyclictest0-21swapper/111:05:271
552240993728,5cyclictest231ktimers/108:10:001
552240993727,6cyclictest0-21swapper/109:20:291
552240993726,7cyclictest606457-21grep12:20:281
552240993725,7cyclictest0-21swapper/108:45:271
552240993719,11cyclictest231ktimers/112:35:201
552240993719,11cyclictest231ktimers/112:35:201
552240993717,13cyclictest0-21swapper/110:05:291
55223999374,6cyclictest582306-21ps10:00:260
55223999373,5cyclictest570682-21apt-get08:55:060
55223999373,5cyclictest570682-21apt-get08:55:060
552239993732,3cyclictest20650irq/252-8000000.ethernet08:45:190
552239993730,4cyclictest20850irq/208-8000000.ethernet11:50:230
552239993724,9cyclictest0-21swapper/010:10:270
55223999371,4cyclictest0-21swapper/011:45:010
55223999371,4cyclictest0-21swapper/011:45:010
55223999371,34cyclictest0-21swapper/009:45:130
55223999371,2cyclictest567223-21apt-get08:35:140
552240993627,6cyclictest231ktimers/110:30:241
552240993626,6cyclictest580795-21grep09:50:281
552240993625,8cyclictest231ktimers/111:15:241
552240993625,8cyclictest0-21swapper/112:30:281
552240993617,11cyclictest231ktimers/109:55:091
552240993617,11cyclictest231ktimers/109:55:091
552239993629,4cyclictest20850irq/208-8000000.ethernet07:35:180
552239993629,3cyclictest572998-21unixbench_multi09:05:280
552239993628,4cyclictest0-21swapper/010:05:270
552239993623,10cyclictest131ktimers/010:20:150
55223999362,29cyclictest590745-21ps10:50:260
55223999362,29cyclictest590745-21ps10:50:250
552239993616,18cyclictest0-21swapper/008:05:250
552240993529,4cyclictest14-21rcu_preempt11:40:211
552240993529,4cyclictest14-21rcu_preempt11:40:211
552240993528,4cyclictest231ktimers/110:15:011
552240993527,4cyclictest0-21swapper/110:40:001
552240993527,4cyclictest0-21swapper/110:40:001
552240993526,4cyclictest0-21swapper/112:00:281
552240993524,5cyclictest231ktimers/110:25:271
552240993523,8cyclictest0-21swapper/107:55:281
552240993517,9cyclictest0-21swapper/107:45:281
552240993517,9cyclictest0-21swapper/107:45:281
55224099351,28cyclictest0-21swapper/109:05:241
55223999355,27cyclictest0-21swapper/010:30:000
552239993529,4cyclictest20850irq/208-8000000.ethernet10:35:240
552239993529,4cyclictest20850irq/208-8000000.ethernet10:35:240
55223999351,4cyclictest0-21swapper/008:03:030
552243993416,10cyclictest552375-21latency_hist07:10:012
55224099341,2cyclictest0-21swapper/111:35:011
55224099341,27cyclictest0-21swapper/109:05:011
552239993426,5cyclictest0-21swapper/012:00:010
552240993325,5cyclictest231ktimers/108:25:221
552240993323,7cyclictest231ktimers/112:25:151
552240993323,7cyclictest231ktimers/108:10:151
552240993227,3cyclictest578996-21ptp4l-jitter09:40:261
552240993225,3cyclictest231ktimers/111:55:111
552240993223,4cyclictest0-21swapper/108:55:211
552240993223,4cyclictest0-21swapper/108:55:211
552240993221,6cyclictest231ktimers/109:15:161
552239993225,4cyclictest20650irq/252-8000000.ethernet07:45:110
552239993225,4cyclictest20650irq/252-8000000.ethernet07:45:110
552239993225,4cyclictest0-21swapper/010:30:100
552239993220,8cyclictest131ktimers/007:30:050
552240993123,6cyclictest231ktimers/108:15:211
552240993017,9cyclictest0-21swapper/111:45:281
552240993017,8cyclictest231ktimers/110:45:131
552240992918,7cyclictest0-21swapper/110:40:201
552239992925,2cyclictest0-21swapper/007:55:200
552240992014,4cyclictest552200-21latency_hist07:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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