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2026-08-07 - 01:09

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 the 792 highest latencies:
System rackeslot6s.osadl.org (updated Thu Aug 06, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140434799921,4cyclictest1452315-21apt-get11:50:011
1404347997839,34cyclictest0-21swapper/112:15:261
140434599742,16cyclictest15-21rcuc/008:00:020
1404347997030,31cyclictest0-21swapper/112:30:281
1404347996726,33cyclictest0-21swapper/107:55:171
1404347996726,33cyclictest0-21swapper/107:55:171
1404347996726,33cyclictest0-21swapper/107:25:271
140434599666,29cyclictest131ktimers/008:45:000
1404345996457,3cyclictest0-21swapper/007:50:120
1404347996325,5cyclictest1428522-21grep09:25:281
1404347996222,6cyclictest1447107-21grep11:15:291
1404347996121,8cyclictest0-21swapper/110:55:281
1404347996032,23cyclictest0-21swapper/110:10:001
1404347996022,10cyclictest0-21swapper/111:40:191
1404347995923,4cyclictest0-21swapper/108:15:201
140434999561,28cyclictest0-21swapper/207:55:012
1404347995617,9cyclictest0-21swapper/110:45:281
1404347995547,4cyclictest1458319-21munin-plugin-st12:25:001
1404347995526,6cyclictest1427700-21grep09:20:301
1404347995525,23cyclictest0-21swapper/111:55:211
1404347995520,10cyclictest1450556-21grep11:35:281
1404347995125,21cyclictest0-21swapper/110:10:261
140434799511,19cyclictest0-21swapper/110:05:021
1404347995020,6cyclictest0-21swapper/109:40:201
1404345995043,4cyclictest1431132-21munin-plugin-st09:45:000
140434599502,3cyclictest19750irq/27-20000000.i2c12:00:110
1404349994938,8cyclictest0-21swapper/211:55:012
1404345994938,6cyclictest1417477-21unixbench_singl08:20:280
140434599491,6cyclictest0-21swapper/008:55:180
1404345994838,5cyclictest1422476-21unixbench_multi08:50:280
1404345994837,8cyclictest1406281-21sendmail07:20:000
1404349994739,5cyclictest1430275-21run-parts09:40:002
1404349994642,2cyclictest0-21swapper/209:05:012
1404349994633,7cyclictest0-21swapper/210:15:272
1404349994531,6cyclictest14-21rcu_preempt10:55:002
140434999451,17cyclictest0-21swapper/212:10:012
1404345994537,4cyclictest20650irq/252-8000000.ethernet12:15:150
1404345994521,22cyclictest51-21kcompactd009:25:240
1404347994436,5cyclictest1440405-21sendmail10:40:001
1404347994433,6cyclictest0-21swapper/110:30:291
1404347994433,6cyclictest0-21swapper/110:30:291
1404345994437,4cyclictest167350irq/118-8000000.ethernet-tx007:20:230
1404345994434,7cyclictest0-21swapper/008:00:000
1404345994434,7cyclictest0-21swapper/008:00:000
1404349994329,8cyclictest1421647-21grep08:45:282
1404347994334,4cyclictest1444635-21munin-plugin-st11:05:001
1404347994323,6cyclictest1406490-21/usr/sbin/munin07:20:251
140434599439,2cyclictest0-21swapper/008:45:120
1404345994336,4cyclictest167350irq/118-8000000.ethernet-tx011:55:250
1404345994335,4cyclictest20650irq/252-8000000.ethernet11:30:020
1404345994335,4cyclictest0-21swapper/009:45:150
1404345994319,21cyclictest1426305-21dropbear09:15:170
1404349994231,8cyclictest0-21swapper/211:25:002
1404349994231,8cyclictest0-21swapper/211:25:002
1404347994233,5cyclictest1420845-21grep08:40:291
1404347994232,5cyclictest0-21swapper/110:20:281
140434799421,9cyclictest0-21swapper/111:10:001
1404345994235,4cyclictest20650irq/252-8000000.ethernet10:55:190
1404345994234,5cyclictest1447091-21sed11:15:290
1404349994132,4cyclictest0-21swapper/207:35:252
1404349994129,5cyclictest0-21swapper/210:20:262
1404349994128,8cyclictest0-21swapper/210:00:282
1404345994135,3cyclictest20650irq/252-8000000.ethernet10:05:300
1404345994134,4cyclictest20650irq/252-8000000.ethernet11:00:220
1404345994134,4cyclictest20650irq/252-8000000.ethernet07:10:240
1404345994134,4cyclictest20650irq/252-8000000.ethernet07:10:240
1404345994132,6cyclictest1455734-21grep12:05:290
1404345994132,6cyclictest1436971-21unixbench_singl10:15:280
1404349994031,5cyclictest1415778-21grep08:10:302
1404347994029,6cyclictest1409559-21grep07:35:251
1404347994027,9cyclictest0-21swapper/110:50:251
1404347994025,11cyclictest0-21swapper/108:20:261
140434799401,33cyclictest0-21swapper/111:25:161
1404345994033,4cyclictest20650irq/252-8000000.ethernet10:30:210
1404345994033,4cyclictest20650irq/252-8000000.ethernet10:30:210
1404345994033,4cyclictest20650irq/252-8000000.ethernet09:35:240
1404345994033,4cyclictest20650irq/252-8000000.ethernet09:10:240
1404345994033,4cyclictest20650irq/252-8000000.ethernet08:20:000
140434599401,32cyclictest0-21swapper/009:30:180
1404349993930,6cyclictest1413017-21grep07:55:292
1404349993930,6cyclictest1413017-21grep07:55:292
1404349993928,8cyclictest0-21swapper/211:30:002
1404349993928,6cyclictest0-21swapper/209:55:332
1404349993928,5cyclictest0-21swapper/211:10:222
1404349993928,5cyclictest0-21swapper/211:10:222
1404349993926,9cyclictest0-21swapper/208:55:192
1404345993933,4cyclictest0-21swapper/007:30:110
1404345993932,5cyclictest1436187-21munin-run10:15:010
1404345993932,4cyclictest20650irq/252-8000000.ethernet11:45:240
1404345993932,4cyclictest20650irq/252-8000000.ethernet11:25:010
1404345993932,4cyclictest20650irq/252-8000000.ethernet11:25:010
1404345993931,5cyclictest20650irq/252-8000000.ethernet11:05:260
1404345993931,4cyclictest20850irq/208-8000000.ethernet09:55:210
1404345993931,4cyclictest20850irq/208-8000000.ethernet09:50:250
1404345993931,4cyclictest1427455-21tail09:20:270
1404345993928,8cyclictest0-21swapper/007:30:000
1404345993926,7cyclictest1460385-21sshd12:35:200
140434599391,34cyclictest0-21swapper/008:15:010
1404349993825,10cyclictest0-21swapper/211:05:212
1404349993819,14cyclictest311ktimers/209:15:092
1404347993827,6cyclictest0-21swapper/108:05:021
1404347993826,8cyclictest1432738-21grep09:50:271
1404345993828,7cyclictest0-21swapper/010:35:200
1404345993827,9cyclictest15-21rcuc/007:40:060
1404345993826,9cyclictest0-21swapper/008:10:010
1404345993730,4cyclictest0-21swapper/011:35:290
1404345993726,8cyclictest0-21swapper/012:30:280
1404349993629,4cyclictest0-21swapper/209:20:302
1404349993628,6cyclictest1410547-21grep07:40:272
1404349993621,12cyclictest14045061/usr/sbin/munin07:10:102
1404349993621,12cyclictest14045061/usr/sbin/munin07:10:102
1404347993626,6cyclictest0-21swapper/107:10:271
1404347993626,6cyclictest0-21swapper/107:10:271
1404347993626,5cyclictest0-21swapper/107:45:291
1404347993626,5cyclictest0-21swapper/107:45:291
140434599363,21cyclictest15-21rcuc/009:05:010
1404345993631,2cyclictest0-21swapper/008:30:270
1404345993630,4cyclictest20650irq/252-8000000.ethernet11:50:590
1404345993629,4cyclictest20850irq/208-8000000.ethernet10:00:170
1404345993629,4cyclictest20850irq/208-8000000.ethernet08:35:200
1404345993629,4cyclictest20850irq/208-8000000.ethernet08:35:190
140434599362,31cyclictest1440962-21phc2sys-jitter10:40:250
1404345993623,10cyclictest20850irq/208-8000000.ethernet10:50:000
140434599362,28cyclictest0-21swapper/007:40:010
140434599361,7cyclictest1445796-21grep11:10:200
140434599361,7cyclictest1445796-21grep11:10:200
140434599361,33cyclictest0-21swapper/011:40:200
1404349993527,5cyclictest0-21swapper/208:05:002
1404349993527,4cyclictest0-21swapper/209:45:292
1404349993526,5cyclictest0-21swapper/208:15:172
1404349993526,5cyclictest0-21swapper/207:45:282
1404349993526,5cyclictest0-21swapper/207:45:282
1404349993525,4cyclictest0-21swapper/209:25:282
1404349993524,7cyclictest0-21swapper/207:20:262
1404349993522,8cyclictest0-21swapper/211:50:012
1404349993520,10cyclictest0-21swapper/210:30:302
1404349993520,10cyclictest0-21swapper/210:30:302
1404347993522,7cyclictest1417729-21/usr/sbin/munin08:25:181
1404345993530,3cyclictest20650irq/252-8000000.ethernet07:45:200
1404345993530,3cyclictest20650irq/252-8000000.ethernet07:45:200
1404345993529,4cyclictest20850irq/208-8000000.ethernet12:10:260
1404345993529,4cyclictest20850irq/208-8000000.ethernet08:25:180
140434599351,32cyclictest0-21swapper/010:20:100
1404349993427,4cyclictest1442099-21munin-plugin-st10:50:002
1404349993426,5cyclictest0-21swapper/212:20:272
1404349993424,8cyclictest1419407-21/usr/sbin/munin08:35:192
1404349993424,8cyclictest1419407-21/usr/sbin/munin08:35:192
1404349993422,8cyclictest0-21swapper/211:40:192
1404349993420,9cyclictest0-21swapper/211:30:202
1404349993419,12cyclictest0-21swapper/212:35:292
140434999341,6cyclictest0-21swapper/212:30:012
140434799349,3cyclictest1660-21snmpd09:10:011
1404347993425,5cyclictest0-21swapper/108:30:191
1404347993424,5cyclictest0-21swapper/107:15:281
140434799341,4cyclictest1410030-21diskstats07:40:181
140434799341,27cyclictest0-21swapper/111:10:211
140434799341,27cyclictest0-21swapper/111:10:211
1404345993428,4cyclictest20850irq/208-8000000.ethernet10:25:110
1404345993427,4cyclictest19750irq/27-20000000.i2c10:50:240
1404345993426,5cyclictest14-21rcu_preempt09:00:190
1404349993326,5cyclictest1421948-21/usr/sbin/munin08:50:232
1404349993325,5cyclictest1418274-21grep08:25:272
1404349993319,11cyclictest1660-21snmpd11:01:522
140434799339,17cyclictest1440619-21/usr/sbin/munin10:40:191
1404347993325,5cyclictest0-21swapper/107:30:261
1404345993329,2cyclictest0-21swapper/012:20:210
1404349993223,5cyclictest0-21swapper/207:30:282
1404347993224,5cyclictest1425322-21/usr/sbin/munin09:10:161
1404347993224,4cyclictest0-21swapper/112:25:281
1404347993219,7cyclictest47-21kauditd07:55:001
1404347993218,8cyclictest0-21swapper/108:05:281
1404347993217,9cyclictest0-21swapper/108:35:221
1404347993217,9cyclictest0-21swapper/108:35:221
140434799321,28cyclictest1460192-21/usr/sbin/munin12:35:251
1404345993226,3cyclictest1458678-21sh12:25:200
1404349993123,6cyclictest0-21swapper/209:50:172
1404349993122,5cyclictest0-21swapper/212:10:282
1404349993117,12cyclictest311ktimers/210:05:122
140434999311,27cyclictest1440619-21/usr/sbin/munin10:40:222
140434799313,10cyclictest1415994-21grep08:15:011
1404347993124,4cyclictest0-21swapper/108:50:161
1404347993123,5cyclictest0-21swapper/109:15:131
1404347993122,5cyclictest0-21swapper/111:25:021
1404347993122,5cyclictest0-21swapper/111:25:021
1404347993122,5cyclictest0-21swapper/110:25:281
1404347993121,7cyclictest1433565-21grep09:55:331
1404347993120,7cyclictest1423370-21grep08:55:271
1404347993119,9cyclictest0-21swapper/111:50:261
140434799311,5cyclictest0-21swapper/107:10:001
1404349993023,3cyclictest0-21swapper/210:55:272
1404349993021,6cyclictest1450560-21grep11:35:282
1404349993021,6cyclictest0-21swapper/210:35:282
140434999301,27cyclictest0-21swapper/209:10:172
140434599301,4cyclictest1449204-21df_inode11:30:180
1404349992921,6cyclictest1435545-21/usr/sbin/munin10:10:272
1404349992921,5cyclictest1407855-21grep07:25:292
1404349992921,4cyclictest0-21swapper/212:15:262
1404349992921,4cyclictest0-21swapper/211:15:232
140434799291,26cyclictest0-21swapper/112:10:211
140434799291,25cyclictest1660-21snmpd08:45:241
1404349992820,6cyclictest30-21rcuc/209:30:272
1404349992820,5cyclictest0-21swapper/208:05:262
1404349992818,7cyclictest0-21swapper/207:15:272
1404349992816,7cyclictest0-21swapper/208:40:292
1404349992812,14cyclictest167550irq/134-8000000.ethernet-tx212:30:252
1404347992818,7cyclictest0-21swapper/109:35:261
1404347992816,7cyclictest0-21swapper/110:15:271
140434799281,25cyclictest0-21swapper/112:00:261
140434599281,2cyclictest0-21swapper/007:10:010
1404349992719,6cyclictest0-21swapper/210:25:202
1404349992718,7cyclictest1660-21snmpd09:02:592
1404349992716,9cyclictest311ktimers/212:00:122
1404347992715,8cyclictest0-21swapper/109:00:191
140434799271,24cyclictest0-21swapper/112:05:231
1404347992710,11cyclictest1449694-21unixbench_multi11:30:281
1404349992619,4cyclictest1431083-21grep09:40:292
1404349992619,4cyclictest0-21swapper/208:20:272
1404349992618,5cyclictest0-21swapper/211:55:212
1404349992615,7cyclictest0-21swapper/208:35:012
140434799267,10cyclictest0-21swapper/109:50:011
140434799261,2cyclictest0-21swapper/109:35:011
1404349992013,5cyclictest0-21swapper/207:10:012
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