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2026-05-28 - 05:49

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 May 28, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2141535996352,6cyclictest2170258-21gpgconf21:55:010
2141539995745,8cyclictest2160838-21latency_hist21:00:012
2141539995446,4cyclictest2190451-21munin-plugin-st23:55:002
2141535995346,4cyclictest0-21swapper/000:30:110
2141535995346,4cyclictest0-21swapper/000:30:110
2141539995245,4cyclictest2193077-21munin-plugin-st00:10:002
2141539995245,4cyclictest2193077-21munin-plugin-st00:09:592
2141539995236,6cyclictest0-21swapper/221:00:192
2141535995244,5cyclictest2172730-21munin-plugin-st22:10:000
2141535995037,7cyclictest0-21swapper/020:05:250
2141539994935,8cyclictest0-21swapper/221:30:282
214153599496,10cyclictest2196632-21apt-get00:30:020
2141535994939,6cyclictest20650irq/252-8000000.ethernet20:00:020
2141535994939,6cyclictest20650irq/252-8000000.ethernet20:00:020
2141535994918,29cyclictest0-21swapper/020:30:130
2141538994838,6cyclictest2180060-21wc22:50:261
2141538994836,7cyclictest0-21swapper/120:45:281
2141538994836,7cyclictest0-21swapper/120:45:281
2141539994735,7cyclictest2146803-21grep19:35:292
2141539994731,8cyclictest0-21swapper/222:25:012
2141539994637,5cyclictest311ktimers/221:15:122
2141539994633,8cyclictest0-21swapper/200:15:292
2141539994630,4cyclictest0-21swapper/221:55:192
2141538994638,4cyclictest2141532-21cyclictest19:55:191
2141538994638,4cyclictest2141532-21cyclictest19:55:191
2141538994635,8cyclictest2160721-21munin-plugin-st21:00:001
2141535994639,4cyclictest20650irq/252-8000000.ethernet20:25:160
2141535994638,4cyclictest20650irq/252-8000000.ethernet23:55:230
2141539994535,5cyclictest2158940-21grep20:45:272
2141539994535,5cyclictest2158940-21grep20:45:272
2141535994537,6cyclictest2173572-21munin-plugin-st22:15:000
2141535994534,5cyclictest2186229-21cron23:30:000
2141539994434,6cyclictest2158109-21grep20:40:292
2141539994432,7cyclictest0-21swapper/223:55:292
2141539994432,6cyclictest0-21swapper/219:15:012
2141539994416,22cyclictest311ktimers/221:46:312
2141535994439,4cyclictest0-21swapper/022:55:190
2141535994438,2cyclictest0-21swapper/019:20:100
2141535994437,4cyclictest20650irq/252-8000000.ethernet21:45:260
2141535994437,4cyclictest167350irq/118-8000000.ethernet-tx021:20:010
2141535994437,3cyclictest20650irq/252-8000000.ethernet20:00:280
2141535994436,4cyclictest20650irq/252-8000000.ethernet22:00:150
2141535994436,4cyclictest20650irq/252-8000000.ethernet21:34:590
2141535994433,8cyclictest0-21swapper/020:45:000
2141539994332,7cyclictest2170019-21grep21:50:262
2141539994331,9cyclictest2173572-21munin-plugin-st22:15:002
2141539994327,6cyclictest0-21swapper/200:30:192
2141539994327,6cyclictest0-21swapper/200:30:192
2141538994335,5cyclictest0-21swapper/119:35:171
2141538994332,7cyclictest0-21swapper/123:30:271
2141538994332,7cyclictest0-21swapper/123:30:261
2141538994331,7cyclictest0-21swapper/121:30:281
2141538994328,10cyclictest231ktimers/120:30:151
2141535994336,4cyclictest20650irq/252-8000000.ethernet20:20:170
2141535994336,4cyclictest167350irq/118-8000000.ethernet-tx020:15:180
2141535994330,8cyclictest0-21swapper/020:55:270
2141535994325,16cyclictest2193500-21fschecks_time00:10:200
2141535994325,16cyclictest2193500-21fschecks_time00:10:200
214153599431,9cyclictest0-21swapper/000:05:010
2141539994233,6cyclictest311ktimers/222:45:212
2141539994233,5cyclictest2188689-21grep23:40:282
2141539994230,8cyclictest0-21swapper/219:15:302
2141539994226,9cyclictest2162701-21/usr/sbin/munin21:10:172
2141539994225,9cyclictest0-21swapper/220:00:212
2141538994230,6cyclictest2194764-21grep00:15:291
2141538994225,10cyclictest0-21swapper/119:20:281
2141535994236,3cyclictest20650irq/252-8000000.ethernet23:50:220
2141535994235,4cyclictest2195739-21grep00:20:270
2141535994235,4cyclictest20650irq/252-8000000.ethernet23:15:230
2141535994235,4cyclictest20650irq/252-8000000.ethernet21:10:230
2141535994235,4cyclictest20650irq/252-8000000.ethernet20:10:160
2141535994235,4cyclictest20650irq/252-8000000.ethernet19:15:170
2141535994235,4cyclictest0-21swapper/023:45:140
2141535994234,5cyclictest2141532-21cyclictest21:00:290
2141535994234,4cyclictest20650irq/252-8000000.ethernet23:05:160
2141535994234,4cyclictest20650irq/252-8000000.ethernet22:35:010
2141535994234,4cyclictest167350irq/118-8000000.ethernet-tx022:25:160
2141535994229,8cyclictest0-21swapper/023:20:260
2141535994227,11cyclictest0-21swapper/019:35:290
2141535994224,15cyclictest2157069-21/usr/sbin/munin20:35:280
2141535994224,15cyclictest2157069-21/usr/sbin/munin20:35:280
2141539994136,3cyclictest311ktimers/219:20:022
2141539994132,4cyclictest0-21swapper/223:45:172
2141539994132,4cyclictest0-21swapper/222:55:262
2141539994129,6cyclictest2177683-21grep22:35:282
2141539994127,8cyclictest0-21swapper/222:15:292
2141539994125,11cyclictest311ktimers/221:25:132
2141539994125,11cyclictest311ktimers/221:25:132
2141539994124,12cyclictest0-21swapper/200:30:012
2141538994133,4cyclictest0-21swapper/122:00:261
2141538994131,5cyclictest0-21swapper/119:40:281
2141538994128,6cyclictest0-21swapper/119:25:281
2141538994126,10cyclictest0-21swapper/120:35:191
2141538994126,10cyclictest0-21swapper/120:35:181
2141538994125,9cyclictest0-21swapper/120:00:291
2141535994135,3cyclictest20650irq/252-8000000.ethernet22:15:170
2141535994134,4cyclictest2187846-21unixbench_singl23:35:290
2141535994134,4cyclictest20650irq/252-8000000.ethernet22:45:180
2141535994134,4cyclictest20650irq/252-8000000.ethernet19:10:180
2141535994134,4cyclictest20650irq/252-8000000.ethernet00:15:170
2141535994128,9cyclictest0-21swapper/022:50:280
2141535994125,10cyclictest0-21swapper/022:20:270
2141539994029,7cyclictest0-21swapper/200:35:282
2141539994028,7cyclictest2145953-21unixbench_singl19:30:302
2141539994025,8cyclictest0-21swapper/220:35:292
2141539994025,8cyclictest0-21swapper/220:35:282
2141538994028,8cyclictest0-21swapper/122:09:591
2141538994027,9cyclictest0-21swapper/121:40:181
2141535994033,4cyclictest20650irq/252-8000000.ethernet23:40:290
2141535994027,8cyclictest0-21swapper/023:30:280
2141535994027,8cyclictest0-21swapper/023:30:280
214153599401,10cyclictest0-21swapper/019:30:000
2141539993928,6cyclictest0-21swapper/223:20:192
2141539993927,6cyclictest0-21swapper/221:20:252
2141539993925,8cyclictest2151902-21grep20:05:282
2141539993921,7cyclictest0-21swapper/223:05:202
2141538993932,4cyclictest0-21swapper/100:25:281
2141538993929,6cyclictest0-21swapper/122:35:281
2141538993929,5cyclictest0-21swapper/121:00:211
2141538993928,7cyclictest2178541-21grep22:40:281
2141538993928,5cyclictest0-21swapper/123:35:201
2141538993919,12cyclictest231ktimers/123:50:111
2141535993933,3cyclictest20650irq/252-8000000.ethernet23:10:130
2141535993932,3cyclictest2149465-21latency_hist19:55:010
2141535993930,5cyclictest2159039-21munin-run20:50:000
2141535993930,5cyclictest2159039-21munin-run20:50:000
2141535993928,8cyclictest0-21swapper/021:55:280
2141535993927,9cyclictest0-21swapper/019:40:280
2141535993927,8cyclictest0-21swapper/019:45:280
2141535993924,11cyclictest0-21swapper/022:35:200
2141539993833,3cyclictest14-21rcu_preempt19:45:212
2141539993827,5cyclictest0-21swapper/200:10:192
2141539993827,5cyclictest0-21swapper/200:10:192
2141539993826,8cyclictest0-21swapper/219:25:282
2141539993826,7cyclictest0-21swapper/221:35:322
2141539993826,7cyclictest0-21swapper/220:00:012
2141539993826,7cyclictest0-21swapper/220:00:012
2141539993825,9cyclictest0-21swapper/222:50:262
2141539993811,6cyclictest83250systemd-network20:34:592
2141538993831,4cyclictest14-21rcu_preempt21:45:211
2141538993830,4cyclictest0-21swapper/100:05:271
2141538993830,4cyclictest0-21swapper/100:05:271
2141538993828,4cyclictest0-21swapper/119:15:001
2141538993827,6cyclictest0-21swapper/120:55:011
2141538993825,8cyclictest231ktimers/121:35:121
2141538993825,8cyclictest22-21rcuc/120:15:111
2141535993829,6cyclictest2178639-21sshd22:44:200
2141535993828,7cyclictest0-21swapper/021:25:270
2141535993828,7cyclictest0-21swapper/021:25:260
2141535993827,8cyclictest0-21swapper/021:05:280
2141535993812,24cyclictest0-21swapper/000:05:270
2141535993812,24cyclictest0-21swapper/000:05:270
2141539993726,7cyclictest311ktimers/219:50:102
2141539993726,5cyclictest0-21swapper/221:10:002
2141539993723,10cyclictest0-21swapper/220:15:252
2141539993721,9cyclictest0-21swapper/220:25:232
2141538993730,4cyclictest2175745-21kernelversion22:25:231
2141538993728,5cyclictest2183692-21kworker/u8:0-events_power_efficient23:55:221
2141538993728,5cyclictest0-21swapper/123:25:251
2141538993723,7cyclictest0-21swapper/123:45:281
2141535993732,3cyclictest167350irq/118-8000000.ethernet-tx020:50:190
2141535993731,4cyclictest0-21swapper/021:20:180
2141535993725,8cyclictest0-21swapper/000:35:290
214153599371,3cyclictest0-21swapper/019:35:000
2141539993629,4cyclictest14-21rcu_preempt21:40:252
2141539993628,5cyclictest311ktimers/223:00:282
2141539993627,6cyclictest311ktimers/223:35:282
2141539993623,9cyclictest0-21swapper/222:40:272
2141538993628,5cyclictest14-21rcu_preempt22:30:181
2141538993628,4cyclictest0-21swapper/121:15:281
2141538993626,7cyclictest231ktimers/121:25:231
2141538993626,7cyclictest231ktimers/121:25:221
2141538993626,5cyclictest0-21swapper/119:45:191
2141538993626,5cyclictest0-21swapper/100:00:301
2141538993625,7cyclictest0-21swapper/100:10:281
2141538993625,7cyclictest0-21swapper/100:10:281
2141538993623,9cyclictest231ktimers/121:55:111
2141539993527,4cyclictest30-21rcuc/222:00:212
2141539993523,9cyclictest0-21swapper/223:10:282
2141539993523,7cyclictest2187038-21grep23:30:282
2141539993523,7cyclictest2187038-21grep23:30:282
2141539993523,6cyclictest0-21swapper/220:20:192
2141538993527,5cyclictest0-21swapper/120:20:281
2141538993526,4cyclictest0-21swapper/123:00:271
2141538993525,6cyclictest2169874-21ptp4l21:50:251
2141538993525,5cyclictest0-21swapper/122:20:001
2141538993524,8cyclictest0-21swapper/120:25:261
2141538993523,8cyclictest22-21rcuc/123:20:101
2141538993523,8cyclictest0-21swapper/123:40:291
2141538993523,8cyclictest0-21swapper/121:10:281
2141535993528,4cyclictest2181826-21gzip23:00:260
214153599351,6cyclictest2167589-21wc21:40:000
2141539993425,7cyclictest2195734-21grep00:20:282
2141539993424,6cyclictest2152877-21grep20:10:292
2141539993422,6cyclictest311ktimers/200:00:052
214153999341,28cyclictest0-21swapper/220:50:172
2141538993426,5cyclictest0-21swapper/119:30:301
2141538993426,4cyclictest0-21swapper/100:35:271
2141538993426,4cyclictest0-21swapper/100:25:011
2141538993425,6cyclictest2197521-21grep00:30:281
2141538993425,6cyclictest2197521-21grep00:30:281
2141538993425,6cyclictest0-21swapper/120:10:001
2141538993425,4cyclictest0-21swapper/120:10:281
214153899341,5cyclictest2143474-21munin-run19:20:001
214153599342,29cyclictest0-21swapper/021:40:270
2141539993328,3cyclictest311ktimers/222:25:112
2141539993324,7cyclictest2176951-21cut22:35:002
2141539993322,8cyclictest0-21swapper/219:40:272
2141539993319,7cyclictest0-21swapper/223:15:212
2141538993325,4cyclictest0-21swapper/123:10:281
2141538993325,4cyclictest0-21swapper/119:50:261
2141538993319,8cyclictest0-21swapper/122:20:261
2141539993221,8cyclictest0-21swapper/222:05:292
2141538993225,4cyclictest0-21swapper/121:20:251
2141538993222,7cyclictest0-21swapper/122:45:291
2141538993220,5cyclictest0-21swapper/123:05:201
2141538993213,4cyclictest8321systemd-network21:05:421
2141539993123,6cyclictest311ktimers/223:25:132
2141538993018,6cyclictest0-21swapper/123:00:001
2141538992921,5cyclictest0-21swapper/123:15:281
2141538992921,4cyclictest0-21swapper/120:45:001
2141538992917,8cyclictest0-21swapper/122:14:591
214153999274,16cyclictest2141627-21wc19:10:022
214153999274,16cyclictest2141627-21wc19:10:012
2141538992316,5cyclictest0-21swapper/119:10:011
2141538992316,5cyclictest0-21swapper/119:10:011
2141535992112,6cyclictest0-21swapper/019:10:020
2141535992112,6cyclictest0-21swapper/019:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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