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2026-08-31 - 11:41

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 Aug 31, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203039799901,84cyclictest0-21swapper/000:40:010
203039799684,40cyclictest0-21swapper/021:25:010
2030397996819,46cyclictest2041094-21tune2fs20:10:190
2030397996724,39cyclictest2053810-21dropbear21:25:190
2030397996627,3cyclictest2046552-21/usr/sbin/munin20:40:260
2030397996626,33cyclictest2057443-21/usr/sbin/munin21:45:260
2030397996626,33cyclictest2057443-21/usr/sbin/munin21:45:260
2030397996530,9cyclictest2031755-21diskstats19:15:190
2030397996523,38cyclictest0-21swapper/019:10:010
203040399631,25cyclictest32-21ksoftirqd/220:15:182
203039999635,20cyclictest22-21rcuc/123:55:011
203039799623,34cyclictest0-21swapper/022:40:020
2030397996232,3cyclictest2073007-21/usr/sbin/munin23:15:300
2030397996221,35cyclictest2076641-21sshd23:40:150
2030397996132,4cyclictest2046991-21/usr/sbin/munin20:45:160
2030397996122,35cyclictest2076204-21cut23:35:280
2030397996022,3cyclictest2068422-21/usr/sbin/munin22:50:220
2030397995937,16cyclictest0-21swapper/023:25:140
2030397995830,3cyclictest2052565-21/usr/sbin/munin21:15:290
2030397995816,38cyclictest2051441-21/usr/sbin/munin21:10:220
2030403995440,8cyclictest0-21swapper/220:30:302
203039999543,9cyclictest0-21swapper/122:20:011
203039799549,7cyclictest0-21swapper/021:00:230
2030397995434,16cyclictest167350irq/118-8000000.ethernet-tx020:00:230
2030397995420,31cyclictest2078487-21ssh23:50:200
2030399995339,10cyclictest1283-21cron19:50:001
2030399995339,10cyclictest1283-21cron19:50:001
2030397995325,3cyclictest2060386-21munin-run22:05:010
2030403995231,17cyclictest30-21rcuc/223:10:012
2030397995236,11cyclictest2062267-21apt-get22:15:160
2030397995224,3cyclictest2058011-21df21:50:180
2030397995223,3cyclictest2079224-21df_inode23:55:190
2030397995217,31cyclictest2056644-21ps21:40:260
2030397995143,5cyclictest167350irq/118-8000000.ethernet-tx000:30:200
2030397995143,4cyclictest167350irq/118-8000000.ethernet-tx022:20:210
2030397995135,12cyclictest2043961-21/usr/sbin/munin20:25:270
2030397995135,12cyclictest2043961-21/usr/sbin/munin20:25:260
2030397995119,28cyclictest2050542-21lsblk21:05:210
2030399995033,12cyclictest231ktimers/100:00:131
2030397995036,11cyclictest2059161-21/usr/sbin/munin21:55:260
2030397995036,11cyclictest2059161-21/usr/sbin/munin21:55:260
2030397995033,12cyclictest2080194-21/usr/sbin/munin00:00:230
2030397995026,19cyclictest2082003-21/usr/sbin/munin00:10:220
2030397995020,26cyclictest2070311-21tail23:00:270
2030397995015,8cyclictest0-21swapper/019:25:170
2030397995010,38cyclictest0-21swapper/000:20:170
203039999495,10cyclictest22-21rcuc/122:10:011
2030397994941,4cyclictest2067350-21apt-get22:45:140
2030397994938,8cyclictest2040590-21/usr/sbin/munin20:05:280
2030397994935,10cyclictest0-21swapper/020:55:010
2030397994935,10cyclictest0-21swapper/020:55:010
2030397994929,16cyclictest2030914-21/usr/sbin/munin19:10:260
2030397994920,3cyclictest2034576-21/usr/sbin/munin19:30:270
2030397994917,6cyclictest2066912-21ptp4l22:40:260
2030403994839,6cyclictest311ktimers/220:00:002
2030403994839,5cyclictest311ktimers/223:45:122
2030399994839,5cyclictest2038237-21munin-plugin-st19:55:001
2030397994842,3cyclictest2055423-21apt-get21:35:150
2030397994840,4cyclictest2035920-21apt-get19:40:160
2030399994738,5cyclictest2075579-21munin-plugin-st23:35:001
2030397994742,3cyclictest2037598-21apt-get19:50:110
2030397994740,3cyclictest2084324-21apt-get00:25:120
2030397994737,7cyclictest2043301-21sshd20:23:150
2030397994736,8cyclictest2045354-21ssh20:35:200
2030397994731,7cyclictest0-21swapper/022:30:170
2030397994731,13cyclictest2042236-21/usr/sbin/munin20:15:260
2030397994730,13cyclictest2061101-21/usr/sbin/munin22:05:290
2030403994633,8cyclictest0-21swapper/222:15:322
2030399994617,16cyclictest2034221-21/usr/sbin/munin19:30:181
2030397994640,3cyclictest2074940-21apt-get23:30:140
2030397994635,8cyclictest2061486-21/usr/sbin/munin22:10:170
2030397994632,11cyclictest2033172-21sshd19:24:150
2030397994630,12cyclictest2069328-21/usr/sbin/munin22:55:260
2030397994629,13cyclictest2049043-21/usr/sbin/munin20:55:270
2030397994623,18cyclictest2039023-21grep19:55:310
2030397994615,4cyclictest2083328-21cat00:20:000
203040399453,25cyclictest0-21swapper/221:45:012
2030397994538,4cyclictest2035364-21/usr/sbin/munin19:35:250
2030397994538,3cyclictest2073695-21/usr/sbin/munin23:20:280
2030397994538,3cyclictest2073695-21/usr/sbin/munin23:20:280
2030397994534,8cyclictest2064205-21/usr/sbin/munin22:25:230
2030397994532,10cyclictest2080946-21apt-get00:05:160
2030397994528,14cyclictest0-21swapper/023:05:200
2030397994527,13cyclictest2071897-21phc2sys23:10:250
2030403994428,8cyclictest0-21swapper/223:10:282
2030403994421,6cyclictest0-21swapper/220:05:012
2030399994434,6cyclictest0-21swapper/122:20:191
2030397994438,2cyclictest2077479-21apt-get23:45:150
2030397994437,4cyclictest2054725-21ssh21:30:210
2030397994435,6cyclictest2044426-21df_inode20:30:190
2030397994429,11cyclictest2037308-21grep19:45:280
2030397994429,11cyclictest2037308-21grep19:45:280
2030403994331,7cyclictest0-21swapper/222:55:312
2030403994319,5cyclictest0-21swapper/222:50:012
2030403994222,8cyclictest0-21swapper/219:35:292
2030403994127,8cyclictest311ktimers/219:45:002
2030403994123,14cyclictest0-21swapper/219:10:012
2030403994122,10cyclictest0-21swapper/221:35:302
2030403994121,10cyclictest0-21swapper/221:10:212
2030403994119,12cyclictest311ktimers/200:05:162
2030399994134,5cyclictest231ktimers/120:55:011
2030399994134,5cyclictest231ktimers/120:55:011
2030399994128,9cyclictest0-21swapper/122:45:221
2030399994126,9cyclictest0-21swapper/123:30:001
2030399994126,10cyclictest0-21swapper/121:35:221
2030403994031,5cyclictest0-21swapper/221:45:282
2030403994031,5cyclictest0-21swapper/221:45:282
2030403994030,7cyclictest2083270-21run-parts00:20:012
2030403994028,7cyclictest2033075-21grep19:20:302
2030403994022,10cyclictest0-21swapper/220:40:012
2030399994033,4cyclictest2032327-21sendmail19:20:001
2030399994031,5cyclictest0-21swapper/120:55:281
2030399994029,7cyclictest0-21swapper/100:20:271
2030403993925,7cyclictest0-21swapper/223:30:282
2030403993923,8cyclictest0-21swapper/221:00:272
2030399993932,4cyclictest2069668-21munin-plugin-st23:00:001
2030399993928,5cyclictest0-21swapper/122:25:221
203039999391,2cyclictest0-21swapper/121:10:011
2030403993830,4cyclictest0-21swapper/220:50:212
2030403993830,4cyclictest0-21swapper/220:50:212
2030403993828,6cyclictest2059563-21latency_hist22:00:012
2030403993828,6cyclictest2059563-21latency_hist22:00:012
2030403993826,8cyclictest0-21swapper/220:25:292
2030403993826,8cyclictest0-21swapper/220:25:292
2030403993826,7cyclictest311ktimers/200:10:282
203040399382,25cyclictest2068190-21sshd22:50:152
2030399993827,6cyclictest0-21swapper/121:55:281
2030399993827,6cyclictest0-21swapper/121:55:281
2030399993826,7cyclictest2042228-21ptp4l20:15:261
203039999382,5cyclictest2066516-21cpu22:40:141
2030399993825,7cyclictest0-21swapper/119:25:191
2030399993822,11cyclictest0-21swapper/121:20:221
203040399374,11cyclictest311ktimers/221:05:282
2030403993728,5cyclictest0-21swapper/223:35:312
2030403993726,8cyclictest311ktimers/219:45:282
2030403993726,8cyclictest311ktimers/219:45:282
2030403993726,7cyclictest0-21swapper/221:30:342
2030403993725,8cyclictest0-21swapper/222:20:322
2030403993722,8cyclictest0-21swapper/200:00:322
2030403993720,8cyclictest2038192-21grep19:50:282
2030403993719,11cyclictest311ktimers/200:25:122
2030399993730,4cyclictest2040775-21munin-plugin-st20:10:001
2030403993626,6cyclictest2060287-21grep22:00:282
203040399362,28cyclictest2052904-21/usr/sbin/munin21:20:132
2030403993621,8cyclictest0-21swapper/200:35:012
203040399361,29cyclictest2042673-21/usr/sbin/munin20:20:282
203039999367,2cyclictest0-21swapper/122:30:221
2030399993629,4cyclictest2085820-21munin-plugin-st00:35:011
2030399993629,4cyclictest2058560-21grep21:50:291
2030399993627,4cyclictest0-21swapper/100:05:211
2030403993530,3cyclictest2030393-21cyclictest21:50:272
2030403993528,5cyclictest311ktimers/219:25:152
2030403993527,6cyclictest311ktimers/223:40:242
2030403993526,6cyclictest311ktimers/221:25:212
2030403993525,6cyclictest0-21swapper/223:00:282
2030403993525,5cyclictest311ktimers/220:05:212
2030403993525,5cyclictest30-21rcuc/219:30:222
2030403993524,7cyclictest0-21swapper/220:10:282
2030403993522,9cyclictest0-21swapper/220:45:012
203039999354,12cyclictest2038434-21/usr/sbin/munin19:55:201
2030399993526,5cyclictest0-21swapper/121:30:341
203039999352,27cyclictest0-21swapper/100:36:171
203039999351,2cyclictest0-21swapper/123:05:001
203040399347,22cyclictest0-21swapper/222:05:252
2030403993426,5cyclictest311ktimers/223:15:262
2030403993424,7cyclictest0-21swapper/222:35:342
203040399341,28cyclictest0-21swapper/200:35:152
203040399341,27cyclictest0-21swapper/223:54:212
2030399993426,5cyclictest14-21rcu_preempt20:40:011
2030399993426,5cyclictest0-21swapper/122:10:271
2030399993424,6cyclictest0-21swapper/120:45:301
2030399993424,5cyclictest0-21swapper/120:25:291
2030399993424,5cyclictest0-21swapper/120:25:291
2030399993421,9cyclictest2076425-21sendmail23:40:001
2030399993419,9cyclictest0-21swapper/120:20:211
203039999341,2cyclictest0-21swapper/120:15:001
2030403993325,4cyclictest0-21swapper/220:55:292
2030403993324,6cyclictest311ktimers/222:25:122
2030403993324,5cyclictest0-21swapper/219:15:012
2030403993322,5cyclictest0-21swapper/200:20:182
2030399993324,6cyclictest0-21swapper/120:00:291
2030399993324,5cyclictest0-21swapper/100:15:301
203039999331,26cyclictest0-21swapper/121:45:111
203039999331,26cyclictest0-21swapper/121:45:111
2030403993225,4cyclictest311ktimers/223:30:002
2030403993220,6cyclictest311ktimers/222:40:192
2030403993216,10cyclictest2073264-21sshd23:20:152
2030403993216,10cyclictest2073264-21sshd23:20:152
203040399321,26cyclictest0-21swapper/222:12:212
2030399993223,5cyclictest0-21swapper/100:25:281
2030399993220,8cyclictest0-21swapper/121:00:261
203039999321,9cyclictest0-21swapper/119:45:011
203039999321,4cyclictest0-21swapper/123:05:151
203039999321,2cyclictest0-21swapper/122:55:011
203039999321,25cyclictest0-21swapper/120:40:151
2030403993123,5cyclictest311ktimers/219:15:022
2030403993123,5cyclictest0-21swapper/221:15:292
2030403993121,5cyclictest311ktimers/222:30:292
2030403993119,9cyclictest0-21swapper/200:00:002
2030399993124,5cyclictest0-21swapper/119:20:291
2030399993122,7cyclictest2054281-21unixbench_multi21:25:331
2030399993120,7cyclictest0-21swapper/100:00:011
203039999311,3cyclictest0-21swapper/123:25:011
203039999311,3cyclictest0-21swapper/123:25:011
203039999311,28cyclictest0-21swapper/123:15:281
203039999311,28cyclictest0-21swapper/123:10:151
2030399993023,5cyclictest0-21swapper/120:34:231
2030399993023,4cyclictest0-21swapper/123:45:301
203039999301,4cyclictest2030859-21meminfo19:10:241
203039999301,4cyclictest0-21swapper/100:10:271
203039999301,27cyclictest2056906-21kworker/u8:1+events_power_efficient22:00:261
2030399992917,9cyclictest0-21swapper/121:40:281
203039999291,4cyclictest0-21swapper/119:40:011
2030403992819,5cyclictest0-21swapper/220:45:132
2030399992822,3cyclictest47-21kauditd23:40:021
203039999264,15cyclictest231ktimers/121:15:121
203039999261,20cyclictest231ktimers/121:10:121
2030399992512,9cyclictest2066298-21tr22:40:001
203039999182,14cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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