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2025-12-26 - 23:28

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 Fri Dec 26, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136603699841,79cyclictest0-21swapper/009:25:190
136603699841,79cyclictest0-21swapper/009:25:190
1366042997832,9cyclictest1418611-21phc2sys12:15:253
1366036997128,39cyclictest0-21swapper/007:30:010
136603699709,31cyclictest0-21swapper/011:10:010
1366040996930,34cyclictest0-21swapper/210:35:292
1366040996728,34cyclictest0-21swapper/211:20:282
1366040996623,35cyclictest0-21swapper/209:35:292
1366040996621,37cyclictest0-21swapper/211:15:012
1366040996527,31cyclictest0-21swapper/210:50:292
1366040996521,39cyclictest0-21swapper/212:00:012
1366040996428,30cyclictest0-21swapper/208:40:302
1366040996428,30cyclictest0-21swapper/208:40:302
1366040996327,31cyclictest0-21swapper/210:05:282
1366040996324,31cyclictest0-21swapper/208:50:282
1366040996320,35cyclictest0-21swapper/210:00:292
1366040996221,34cyclictest0-21swapper/208:10:282
1366040996221,34cyclictest0-21swapper/208:10:282
1366040996126,31cyclictest0-21swapper/208:40:002
1366040996125,29cyclictest0-21swapper/208:55:292
1366040996125,29cyclictest0-21swapper/208:55:292
1366040996118,36cyclictest0-21swapper/208:45:252
136604099611,53cyclictest0-21swapper/209:45:212
1366040995920,8cyclictest1418859-21head12:15:272
1366040995919,32cyclictest0-21swapper/209:35:002
1366040995918,5cyclictest0-21swapper/208:20:222
1366040995917,4cyclictest0-21swapper/209:40:232
1366040995914,6cyclictest0-21swapper/209:10:162
1366040995914,6cyclictest0-21swapper/209:10:162
1366040995911,39cyclictest1374730-21apt-get08:00:022
1366040995830,22cyclictest0-21swapper/212:30:292
1366040995823,28cyclictest0-21swapper/210:25:272
1366040995820,28cyclictest0-21swapper/209:15:272
1366040995818,32cyclictest0-21swapper/211:05:012
1366040995718,4cyclictest0-21swapper/211:45:252
1366036995753,2cyclictest0-21swapper/009:45:100
1366040995615,4cyclictest0-21swapper/207:55:012
1366039995646,5cyclictest1368832-21munin-plugin-st07:24:591
1366039995646,5cyclictest1368832-21munin-plugin-st07:24:591
1366039995643,8cyclictest1389130-21grep09:20:271
1366039995641,11cyclictest1283-21cron12:05:001
1366040995521,29cyclictest0-21swapper/209:50:282
1366040995520,31cyclictest0-21swapper/211:50:222
1366040995516,4cyclictest0-21swapper/211:35:292
1366040995514,7cyclictest0-21swapper/209:05:232
136604099542,4cyclictest1412454-21diskstats11:40:212
1366040995422,28cyclictest0-21swapper/208:00:292
1366040995421,25cyclictest0-21swapper/211:25:302
1366040995417,30cyclictest0-21swapper/212:35:232
136603699546,44cyclictest0-21swapper/008:40:010
1366036995436,10cyclictest20650irq/252-8000000.ethernet11:55:120
1366040995340,8cyclictest1390031-21munin-plugin-st09:30:002
1366040995340,8cyclictest1390031-21munin-plugin-st09:30:002
1366040995322,7cyclictest1419698-21grep12:20:282
1366040995322,7cyclictest1419698-21grep12:20:282
1366040995315,4cyclictest0-21swapper/210:55:212
1366039995344,5cyclictest1420625-21munin-plugin-st12:30:001
1366039995342,6cyclictest1382439-21munin-plugin-st08:45:001
1366039995342,6cyclictest1382439-21munin-plugin-st08:45:001
136603699531,48cyclictest1382348-21unixbench_multi08:40:300
136603699531,48cyclictest1382348-21unixbench_multi08:40:300
1366036995314,12cyclictest1390867-21apt-get09:35:010
1366040995211,6cyclictest0-21swapper/207:40:192
136603999522,44cyclictest24-21ksoftirqd/110:10:191
1366036995225,3cyclictest1387089-21/usr/sbin/munin09:10:200
1366036995225,3cyclictest1387089-21/usr/sbin/munin09:10:200
1366036995223,3cyclictest1420289-21memory12:25:260
1366040995121,26cyclictest0-21swapper/207:20:242
1366040995121,26cyclictest0-21swapper/207:20:242
1366040995119,25cyclictest0-21swapper/210:10:292
1366040995117,7cyclictest0-21swapper/209:55:292
1366040995111,8cyclictest0-21swapper/211:30:242
1366036995119,6cyclictest131ktimers/009:05:300
1366040995027,19cyclictest167550irq/134-8000000.ethernet-tx212:10:242
1366040995015,28cyclictest0-21swapper/210:40:212
136603699509,35cyclictest0-21swapper/010:00:130
136603699508,37cyclictest0-21swapper/012:20:020
1366036995023,3cyclictest1375338-21/usr/sbin/munin08:00:240
136603699501,44cyclictest0-21swapper/011:50:010
1366036995011,17cyclictest20850irq/208-8000000.ethernet07:55:010
1366040994933,11cyclictest1399367-21head10:20:302
1366040994920,23cyclictest0-21swapper/207:15:162
1366040994915,9cyclictest0-21swapper/210:15:232
1366039994938,6cyclictest1390869-21munin-plugin-st09:35:001
136603699492,8cyclictest1421956-21/usr/sbin/munin12:35:190
1366036994920,4cyclictest1368193-21apt-get07:20:120
1366036994920,4cyclictest1368193-21apt-get07:20:120
1366036994911,35cyclictest1416933-21tail12:05:250
1366036994911,35cyclictest1416933-21tail12:05:250
1366040994827,16cyclictest0-21swapper/207:25:212
1366040994813,7cyclictest0-21swapper/212:05:282
1366040994813,7cyclictest0-21swapper/212:05:282
1366040994810,13cyclictest311ktimers/209:00:152
1366036994841,4cyclictest20650irq/252-8000000.ethernet10:55:240
136603699482,43cyclictest0-21swapper/010:10:220
136603699481,21cyclictest0-21swapper/012:20:020
136603699481,21cyclictest0-21swapper/012:20:010
1366036994812,12cyclictest0-21swapper/009:45:010
136604099471,25cyclictest0-21swapper/207:45:222
136603699474,10cyclictest0-21swapper/008:10:010
1366036994740,4cyclictest0-21swapper/007:50:010
1366036994739,5cyclictest167350irq/118-8000000.ethernet-tx008:10:230
1366036994739,5cyclictest167350irq/118-8000000.ethernet-tx008:10:230
1366036994738,6cyclictest1378200-21munin-plugin-st08:20:000
1366036994720,3cyclictest1371106-21/usr/sbin/munin07:35:280
1366036994720,3cyclictest1371106-21/usr/sbin/munin07:35:270
1366036994719,3cyclictest1409645-21munin-run11:25:010
1366040994614,6cyclictest0-21swapper/212:25:222
1366040994613,6cyclictest0-21swapper/207:30:172
1366039994635,5cyclictest1408787-21latency_hist11:20:001
136603699467,8cyclictest1421366-21grep12:30:290
1366036994626,14cyclictest0-21swapper/008:20:150
136603699462,39cyclictest0-21swapper/009:20:130
1366036994618,3cyclictest1405694-21/usr/sbin/munin11:00:180
136604099451,25cyclictest0-21swapper/208:25:242
136604099451,25cyclictest0-21swapper/208:25:242
136603999451,4cyclictest1373693-21gzip07:50:281
1366039994514,25cyclictest22-21rcuc/110:45:281
136603699456,37cyclictest0-21swapper/011:10:190
136603699455,36cyclictest1384313-21/usr/sbin/munin08:55:190
136603699455,36cyclictest1384313-21/usr/sbin/munin08:55:190
1366036994536,5cyclictest20850irq/208-8000000.ethernet10:05:190
1366036994510,32cyclictest1398287-21grep10:15:270
1366040994416,7cyclictest1401080-21sshd10:31:212
1366039994428,11cyclictest0-21swapper/109:05:281
1366039994426,13cyclictest231ktimers/109:50:111
1366039994426,12cyclictest0-21swapper/108:05:211
136603699449,3cyclictest1411789-21irqstats11:35:240
136603699447,8cyclictest1400654-21fschecks_time10:30:210
1366036994414,28cyclictest1402316-21/usr/sbin/munin10:40:190
1366039994324,12cyclictest0-21swapper/110:40:011
136603999432,12cyclictest22-21rcuc/107:10:011
136603999432,12cyclictest22-21rcuc/107:10:011
136603699437,34cyclictest0-21swapper/010:20:160
1366036994336,3cyclictest1383778-21meminfo08:50:250
1366036994327,14cyclictest0-21swapper/009:00:120
1366036994316,25cyclictest1380167-21diskstats08:30:170
1366040994212,8cyclictest0-21swapper/207:10:202
1366040994211,7cyclictest0-21swapper/211:10:012
1366039994231,8cyclictest1378203-21cat08:20:001
1366039994228,9cyclictest1398517-21grep10:15:291
1366036994234,4cyclictest1414378-21awk11:50:280
136603699421,38cyclictest1391224-21/usr/sbin/munin09:35:180
1366039994133,5cyclictest1396040-21munin-plugin-st10:05:001
1366039994132,5cyclictest1369554-21grep07:25:281
1366039994130,7cyclictest1418939-21sendmail12:20:001
1366039994129,6cyclictest1379797-21grep08:25:291
1366039994129,6cyclictest1379797-21grep08:25:291
1366039994125,11cyclictest0-21swapper/108:55:011
136603999411,33cyclictest0-21swapper/109:55:231
1366036994135,4cyclictest0-21swapper/009:55:120
136603699413,3cyclictest1410748-21df_inode11:30:160
136603699412,32cyclictest0-21swapper/010:55:020
1366036994123,14cyclictest0-21swapper/012:00:110
136603699411,4cyclictest1371634-21df_inode07:40:170
136603699411,37cyclictest0-21swapper/010:25:180
1366040994032,4cyclictest167550irq/134-8000000.ethernet-tx211:20:002
136604099401,2cyclictest0-21swapper/208:10:012
1366039994029,6cyclictest0-21swapper/107:40:001
1366039994029,6cyclictest0-21swapper/107:40:001
1366039994027,8cyclictest1367897-21grep07:15:281
136603699405,8cyclictest1403286-21sshd10:45:210
136603699404,2cyclictest0-21swapper/007:20:010
1366036994030,6cyclictest20850irq/208-8000000.ethernet12:10:280
136603699402,4cyclictest1379320-21df_inode08:25:190
136603699402,4cyclictest1379320-21df_inode08:25:180
136603999393,30cyclictest24-21ksoftirqd/108:50:011
1366039993928,8cyclictest1388341-21sendmail09:20:001
1366039993925,6cyclictest0-21swapper/111:55:001
1366036993931,5cyclictest20850irq/208-8000000.ethernet08:45:100
1366036993926,8cyclictest1366271-21/usr/sbin/munin07:10:170
136603699391,35cyclictest0-21swapper/007:30:260
136603699391,29cyclictest1401939-21apt-get10:40:010
1366040993828,6cyclictest0-21swapper/208:30:282
1366040993827,7cyclictest0-21swapper/208:15:302
1366040993825,7cyclictest0-21swapper/207:35:302
1366040993825,7cyclictest0-21swapper/207:35:302
136603999389,17cyclictest1367057-21munin-node10:20:201
136603999386,12cyclictest1391158-21/usr/sbin/munin09:35:201
1366039993830,4cyclictest167450irq/126-8000000.ethernet-tx111:25:171
1366039993829,5cyclictest0-21swapper/112:05:291
1366039993829,5cyclictest0-21swapper/112:05:281
1366039993825,8cyclictest0-21swapper/108:30:261
1366039993824,9cyclictest0-21swapper/108:10:281
1366039993824,9cyclictest0-21swapper/108:10:271
1366039993824,10cyclictest0-21swapper/111:10:271
136603999381,29cyclictest0-21swapper/110:05:271
1366036993827,8cyclictest1374231-21ssh07:55:210
1366036993822,13cyclictest1412739-21/usr/sbin/munin11:40:290
1366036993819,14cyclictest1408386-21/usr/sbin/munin11:15:240
136603699381,4cyclictest0-21swapper/009:15:120
136603999373,23cyclictest22-21rcuc/107:55:121
136603999372,15cyclictest24-21ksoftirqd/109:45:011
136603999371,30cyclictest1406465-21/usr/sbin/munin11:05:171
136603999371,30cyclictest1389391-21/usr/sbin/munin09:25:251
136603999371,30cyclictest1389391-21/usr/sbin/munin09:25:251
136603999371,30cyclictest0-21swapper/111:00:271
1366036993730,4cyclictest20850irq/208-8000000.ethernet11:25:310
1366039993627,5cyclictest0-21swapper/112:30:291
1366039993625,5cyclictest0-21swapper/107:40:191
1366039993624,6cyclictest0-21swapper/107:35:011
136603999361,4cyclictest0-21swapper/111:35:011
136603699361,3cyclictest1393702-21apt-get09:50:120
1366040993525,5cyclictest0-21swapper/209:20:272
136603999351,2cyclictest0-21swapper/109:50:011
136603999351,29cyclictest0-21swapper/111:55:271
136603999351,28cyclictest0-21swapper/110:40:281
1366039993424,6cyclictest0-21swapper/110:55:271
1366039993421,9cyclictest0-21swapper/111:40:291
136603999341,25cyclictest0-21swapper/112:10:241
1366040993322,6cyclictest0-21swapper/212:05:012
1366040993316,11cyclictest0-21swapper/210:45:282
1366039993323,6cyclictest0-21swapper/111:20:201
1366039993322,7cyclictest0-21swapper/111:35:281
136603999331,5cyclictest0-21swapper/109:05:001
136603999331,27cyclictest0-21swapper/109:10:241
136603999331,27cyclictest0-21swapper/109:10:241
1366039993224,5cyclictest0-21swapper/110:55:001
1366039993221,6cyclictest0-21swapper/108:20:221
1366039993216,10cyclictest231ktimers/110:30:191
136603999321,2cyclictest0-21swapper/109:00:011
136603999321,2cyclictest0-21swapper/109:00:011
136603999321,26cyclictest0-21swapper/108:35:121
136603999321,25cyclictest1399837-21if_err_eth010:25:211
1366039993019,7cyclictest0-21swapper/107:50:011
1366039992921,6cyclictest1419143-21/usr/sbin/munin12:20:211
1366039992921,6cyclictest1419143-21/usr/sbin/munin12:20:211
1366039992920,6cyclictest1413326-21fschecks_count11:45:191
1366039992917,8cyclictest0-21swapper/107:15:011
136603699297,15cyclictest1366168-21ls07:10:020
136603699297,15cyclictest1366168-21ls07:10:020
1366039992815,9cyclictest1375671-21cron08:05:001
136603999281,22cyclictest0-21swapper/112:35:081
1366040992012,4cyclictest0-21swapper/207:10:002
1366040992012,4cyclictest0-21swapper/207:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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