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2026-09-19 - 08:58

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 Sep 19, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202557599942,11cyclictest2026396-21munin-node19:15:021
202557599942,11cyclictest2026396-21munin-node19:15:021
2025572998074,2cyclictest0-21swapper/000:20:110
202557599793,6cyclictest0-21swapper/123:00:001
2025577997321,7cyclictest2053944-21grep21:50:272
2025577997029,36cyclictest2057424-21munin-plugin-st22:15:002
2025577997023,37cyclictest0-21swapper/220:10:012
2025575996929,35cyclictest0-21swapper/123:40:281
2025575996929,33cyclictest0-21swapper/121:15:281
202557599675,2cyclictest0-21swapper/121:55:011
202557599662,5cyclictest2066055-21apt-get23:05:021
202557299668,20cyclictest15-21rcuc/019:25:020
2025572996537,26cyclictest15-21rcuc/023:00:000
2025577996445,16cyclictest2072053-21munin-plugin-st23:39:592
202557299643,55cyclictest12-21ksoftirqd/021:50:180
2025575996328,27cyclictest0-21swapper/119:40:271
2025575996321,37cyclictest0-21swapper/120:55:011
2025577996228,28cyclictest0-21swapper/222:30:292
2025577996218,37cyclictest0-21swapper/223:40:242
2025577996120,32cyclictest0-21swapper/219:45:272
2025577996028,27cyclictest0-21swapper/220:00:012
2025577996026,28cyclictest2064214-21grep22:50:282
2025577996026,28cyclictest2064214-21grep22:50:272
2025577996021,33cyclictest0-21swapper/219:20:162
202557299601,10cyclictest0-21swapper/020:40:000
2025575995934,20cyclictest0-21swapper/100:35:311
2025575995927,24cyclictest0-21swapper/122:15:291
202557599592,14cyclictest2050867-21/usr/sbin/munin21:35:321
2025575995916,35cyclictest0-21swapper/100:20:271
2025577995821,31cyclictest0-21swapper/200:35:312
2025577995820,8cyclictest2074032-21/usr/sbin/munin23:50:262
2025577995820,8cyclictest2074032-21/usr/sbin/munin23:50:262
2025575995813,39cyclictest1660-21snmpd19:19:441
2025577995736,18cyclictest2044666-21sendmail20:59:592
2025577995736,18cyclictest2030884-21sendmail19:40:002
2025577995720,32cyclictest0-21swapper/223:55:222
2025575995745,8cyclictest2069529-21munin-plugin-st23:25:001
2025575995730,23cyclictest0-21swapper/123:55:291
202557599571,3cyclictest2036047-21apt-get20:10:021
2025575995713,35cyclictest0-21swapper/122:55:011
2025575995713,35cyclictest0-21swapper/122:55:011
202557599562,11cyclictest2042254-21/usr/sbin/munin20:45:301
2025575995614,35cyclictest231ktimers/120:55:271
2025575995613,36cyclictest1660-21snmpd19:50:421
2025577995521,4cyclictest0-21swapper/222:45:182
2025577995521,4cyclictest0-21swapper/220:10:282
2025577995519,7cyclictest2051726-21/usr/sbin/munin21:40:162
202557599558,38cyclictest0-21swapper/122:35:271
202557599558,38cyclictest0-21swapper/122:35:271
202557599557,38cyclictest0-21swapper/123:25:261
2025575995529,22cyclictest0-21swapper/120:25:261
2025575995527,24cyclictest0-21swapper/123:30:281
202557599552,14cyclictest2059324-21apt-get22:25:161
202557799544,13cyclictest2056526-21grep22:05:292
2025577995417,31cyclictest0-21swapper/219:10:252
2025577995417,31cyclictest0-21swapper/219:10:252
202557599545,39cyclictest0-21swapper/121:00:281
202557599545,39cyclictest0-21swapper/121:00:281
2025575995429,21cyclictest0-21swapper/120:20:281
2025575995417,30cyclictest0-21swapper/119:25:261
202557599534,38cyclictest0-21swapper/123:45:051
2025575995319,27cyclictest0-21swapper/121:55:271
202557599531,8cyclictest2057139-21/usr/sbin/munin22:10:261
202557599531,5cyclictest0-21swapper/100:06:081
2025575995315,29cyclictest0-21swapper/119:35:281
202557799526,10cyclictest2055695-21sed22:00:282
2025577995224,24cyclictest2071156-21head23:30:282
2025577995224,24cyclictest0-21swapper/223:20:272
2025577995220,26cyclictest0-21swapper/223:05:212
2025577995219,4cyclictest0-21swapper/221:00:272
2025577995219,4cyclictest0-21swapper/221:00:272
2025575995230,17cyclictest0-21swapper/120:40:281
2025575995228,20cyclictest0-21swapper/123:10:291
2025575995222,26cyclictest0-21swapper/121:20:191
2025575995218,30cyclictest0-21swapper/123:15:161
2025575995216,28cyclictest0-21swapper/120:10:261
202557599521,44cyclictest0-21swapper/121:10:211
2025575995213,31cyclictest0-21swapper/121:30:191
2025575995211,32cyclictest0-21swapper/100:05:011
202557599521,12cyclictest2039720-21apt-get20:30:151
202557799513,17cyclictest2029153-21head19:25:292
2025577995120,3cyclictest0-21swapper/200:15:232
2025577995111,12cyclictest2048129-21apt21:20:002
202557599515,39cyclictest0-21swapper/123:40:001
202557599513,14cyclictest2074557-21grep23:50:291
202557599513,14cyclictest2074557-21grep23:50:281
202557599512,4cyclictest2037176-21/usr/sbin/munin20:15:291
2025575995123,23cyclictest2030007-21grep19:30:271
2025575995113,31cyclictest1660-21snmpd22:41:281
2025577995023,23cyclictest2059103-21sshd22:21:242
2025577995018,28cyclictest0-21swapper/221:15:012
2025577995014,9cyclictest0-21swapper/221:05:202
202557799501,25cyclictest0-21swapper/220:50:192
202557599502,5cyclictest2080459-21/usr/sbin/munin00:25:281
202557599502,5cyclictest2056465-21/usr/sbin/munin22:05:291
202557599501,8cyclictest2055210-21/usr/sbin/munin22:00:191
2025575995018,27cyclictest0-21swapper/122:30:161
2025575995017,28cyclictest0-21swapper/100:15:191
202557599501,10cyclictest2052325-21head21:40:291
2025572995041,4cyclictest20650irq/252-8000000.ethernet23:05:000
2025572995022,25cyclictest0-21swapper/021:30:000
2025577994927,19cyclictest2073193-21/usr/sbin/munin23:45:252
2025577994922,6cyclictest2064470-21/usr/sbin/munin22:55:232
2025577994921,5cyclictest0-21swapper/200:05:282
2025577994920,5cyclictest0-21swapper/223:05:012
202557599492,9cyclictest2034990-21/usr/sbin/munin20:00:271
202557599492,6cyclictest2065416-21/usr/sbin/munin23:00:291
202557599492,4cyclictest2052650-21/usr/sbin/munin21:45:191
2025575994910,32cyclictest0-21swapper/119:20:151
202557599489,30cyclictest0-21swapper/119:45:211
202557599487,32cyclictest0-21swapper/121:05:281
202557599484,36cyclictest0-21swapper/122:25:011
202557599481,5cyclictest2080796-21/usr/sbin/munin00:30:101
2025575994813,27cyclictest0-21swapper/121:25:141
2025572994838,8cyclictest0-21swapper/021:05:010
2025572994838,8cyclictest0-21swapper/021:05:010
202557299482,23cyclictest15-21rcuc/020:10:010
2025577994718,4cyclictest0-21swapper/222:20:012
202557799471,26cyclictest0-21swapper/220:40:242
2025577994712,10cyclictest0-21swapper/220:25:252
202557599472,5cyclictest2034013-21/usr/sbin/munin19:55:241
202557599472,36cyclictest2078014-21grep00:10:281
202557599471,9cyclictest2040610-21/usr/sbin/munin20:35:161
2025577994615,7cyclictest0-21swapper/221:20:212
2025572994639,4cyclictest167350irq/118-8000000.ethernet-tx022:45:210
2025572994638,4cyclictest167350irq/118-8000000.ethernet-tx022:05:210
2025572994637,4cyclictest2026530-21latency_hist19:15:010
2025572994637,4cyclictest2026530-21latency_hist19:15:010
2025572994626,18cyclictest0-21swapper/023:25:210
202557599451,5cyclictest2063087-21/usr/sbin/munin22:45:231
2025572994539,3cyclictest167350irq/118-8000000.ethernet-tx021:40:110
2025572994536,5cyclictest167350irq/118-8000000.ethernet-tx022:00:240
202557299453,5cyclictest2048605-21irqstats21:20:210
2025572994534,8cyclictest2037590-21ptp4l20:15:270
2025577994425,16cyclictest0-21swapper/200:00:212
2025572994437,4cyclictest167350irq/118-8000000.ethernet-tx020:50:200
2025572994436,5cyclictest2059626-21/usr/sbin/munin22:25:240
202557299441,41cyclictest0-21swapper/023:20:250
2025577994315,3cyclictest0-21swapper/200:30:012
202557599432,5cyclictest2025583-21cat19:10:011
202557299434,3cyclictest0-21swapper/023:45:020
2025572994335,4cyclictest167350irq/118-8000000.ethernet-tx023:30:260
2025572994335,4cyclictest167350irq/118-8000000.ethernet-tx020:20:250
2025572994233,5cyclictest0-21swapper/019:40:010
2025577994128,8cyclictest0-21swapper/221:30:282
2025572994133,4cyclictest167350irq/118-8000000.ethernet-tx023:55:160
2025572994133,4cyclictest167350irq/118-8000000.ethernet-tx019:55:160
2025572994130,8cyclictest2082280-21apt00:40:000
202557299411,3cyclictest0-21swapper/021:15:010
202557299411,37cyclictest0-21swapper/020:15:010
2025577994025,13cyclictest0-21swapper/221:45:152
2025572994031,6cyclictest2057308-21grep22:10:290
2025572994030,6cyclictest19750irq/27-20000000.i2c21:55:260
2025572994028,8cyclictest0-21swapper/000:30:240
202557299402,33cyclictest2053110-21grep21:45:280
2025572994016,19cyclictest2060800-21latency_hist22:35:010
2025577993929,6cyclictest0-21swapper/220:30:272
2025577993927,6cyclictest0-21swapper/200:10:272
2025577993924,10cyclictest0-21swapper/221:25:182
202557299394,6cyclictest0-21swapper/023:55:000
202557299394,6cyclictest0-21swapper/023:55:000
2025572993932,4cyclictest0-21swapper/023:05:240
2025572993930,5cyclictest2080364-21grep00:25:280
202557299391,4cyclictest0-21swapper/022:25:000
202557299391,36cyclictest0-21swapper/020:30:010
202557299391,36cyclictest0-21swapper/019:40:150
202557299390,36cyclictest0-21swapper/000:00:200
2025577993815,8cyclictest2067949-21wc23:15:012
2025572993831,4cyclictest20850irq/208-8000000.ethernet00:15:180
2025572993831,4cyclictest20650irq/252-8000000.ethernet20:00:160
2025572993830,5cyclictest0-21swapper/022:40:010
2025572993830,5cyclictest0-21swapper/022:40:000
2025572993830,4cyclictest0-21swapper/023:35:310
2025572993829,4cyclictest0-21swapper/023:10:210
2025572993822,14cyclictest0-21swapper/019:30:120
202557299381,3cyclictest2039968-21if_eth120:30:220
2025572993730,4cyclictest20850irq/208-8000000.ethernet21:30:150
2025572993730,4cyclictest0-21swapper/020:40:280
2025572993716,16cyclictest131ktimers/019:45:110
2025572993629,4cyclictest20650irq/252-8000000.ethernet23:15:170
2025572993629,4cyclictest20650irq/252-8000000.ethernet22:15:160
2025572993629,4cyclictest20650irq/252-8000000.ethernet19:50:140
202557299361,33cyclictest0-21swapper/022:40:200
202557299361,33cyclictest0-21swapper/020:55:130
202557299361,33cyclictest0-21swapper/020:48:430
202557299361,32cyclictest0-21swapper/019:15:140
2025577993523,7cyclictest0-21swapper/220:00:282
202557799352,27cyclictest0-21swapper/221:55:222
2025572993529,4cyclictest0-21swapper/023:47:170
2025572993528,4cyclictest0-21swapper/021:35:150
2025572993527,4cyclictest20650irq/252-8000000.ethernet00:10:160
2025572993526,5cyclictest2064169-21grep22:50:280
2025572993526,5cyclictest2064169-21grep22:50:280
2025577993424,6cyclictest0-21swapper/220:45:302
2025577993423,7cyclictest0-21swapper/223:30:002
2025572993428,4cyclictest20850irq/208-8000000.ethernet21:15:210
202557299341,28cyclictest0-21swapper/021:10:010
2025572993324,4cyclictest20850irq/208-8000000.ethernet00:05:280
2025572993312,7cyclictest0-21swapper/019:30:020
2025577993223,5cyclictest0-21swapper/219:30:182
2025577993222,6cyclictest2041189-21cron20:40:012
202557799321,26cyclictest0-21swapper/200:20:162
202557299315,22cyclictest0-21swapper/019:10:000
202557799291,22cyclictest0-21swapper/220:20:162
2025577992822,4cyclictest0-21swapper/220:15:152
2025577992819,6cyclictest2059906-21grep22:25:292
2025577992816,8cyclictest0-21swapper/219:15:252
2025577992814,5cyclictest0-21swapper/221:35:312
2025577992716,8cyclictest0-21swapper/200:30:162
2025577992716,6cyclictest0-21swapper/222:35:212
2025577992716,6cyclictest0-21swapper/222:35:202
2025577992617,7cyclictest311ktimers/222:40:162
2025577992517,4cyclictest0-21swapper/223:15:262
2025577992516,6cyclictest2032963-21dropbear19:50:182
202557799231,4cyclictest0-21swapper/219:10:002
2025577992215,5cyclictest2031584-21processes19:40:252
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