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2025-12-17 - 20:47

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 Wed Dec 17, 2025 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172543599671,4cyclictest0-21swapper/011:05:110
1725435996528,34cyclictest0-21swapper/008:30:300
1725435996255,5cyclictest0-21swapper/009:55:010
1725435996054,4cyclictest0-21swapper/010:35:110
1725439995814,14cyclictest1741944-21/usr/sbin/munin08:45:201
1725435995847,7cyclictest1740890-21apt08:40:000
1725435995637,15cyclictest167350irq/118-8000000.ethernet-tx009:00:020
1725441995531,16cyclictest30-21rcuc/207:35:012
1725439995528,15cyclictest231ktimers/111:00:151
1725439995528,15cyclictest231ktimers/111:00:151
1725435995343,8cyclictest1767351-21munin-plugin-st11:15:000
1725435995341,8cyclictest0-21swapper/011:40:160
172543599531,5cyclictest0-21swapper/012:10:100
172543599523,6cyclictest0-21swapper/009:25:280
1725441995028,14cyclictest311ktimers/212:10:122
1725441995026,15cyclictest311ktimers/212:35:132
1725439995030,14cyclictest231ktimers/109:35:121
1725439995030,14cyclictest231ktimers/109:35:121
1725441994943,3cyclictest1761339-21sh10:40:002
172543999495,15cyclictest24-21ksoftirqd/110:50:001
1725439994930,13cyclictest231ktimers/110:50:131
1725435994940,4cyclictest14-21rcu_preempt07:50:270
1725435994937,9cyclictest0-21swapper/011:50:260
172543999481,20cyclictest22-21rcuc/110:10:011
172543599484,38cyclictest0-21swapper/011:00:010
1725435994829,15cyclictest131ktimers/007:35:140
1725435994829,15cyclictest131ktimers/007:35:140
1725439994736,8cyclictest0-21swapper/110:40:001
1725439994634,8cyclictest0-21swapper/109:00:281
1725439994634,8cyclictest0-21swapper/109:00:281
1725439994633,7cyclictest1653-21lldpd09:20:021
1725439994628,12cyclictest0-21swapper/110:15:011
1725439994627,14cyclictest231ktimers/110:30:121
172543599466,19cyclictest15-21rcuc/007:35:010
1725435994638,4cyclictest167350irq/118-8000000.ethernet-tx009:50:010
1725435994638,4cyclictest167350irq/118-8000000.ethernet-tx009:40:170
172544199459,17cyclictest1764722-21apt-get11:00:012
1725441994527,11cyclictest311ktimers/209:10:162
1725439994528,13cyclictest231ktimers/111:25:131
1725435994535,7cyclictest0-21swapper/007:55:280
172543599452,41cyclictest0-21swapper/010:25:010
172543599451,39cyclictest15-21rcuc/012:00:020
1725441994435,6cyclictest1734030-21grep07:55:292
1725439994433,5cyclictest0-21swapper/108:45:011
1725439994433,5cyclictest0-21swapper/108:45:001
1725439994430,9cyclictest0-21swapper/111:05:281
1725439994430,8cyclictest0-21swapper/109:10:281
1725439994430,10cyclictest0-21swapper/109:30:271
1725439994429,8cyclictest0-21swapper/112:00:281
1725435994431,8cyclictest0-21swapper/009:20:020
1725435994431,8cyclictest0-21swapper/008:15:280
172543599441,8cyclictest0-21swapper/008:15:020
1725435994415,6cyclictest131ktimers/007:25:180
172543599441,38cyclictest0-21swapper/007:45:010
1725441994334,5cyclictest1770656-21grep11:30:282
1725441994330,9cyclictest0-21swapper/212:00:282
1725439994333,7cyclictest0-21swapper/110:20:001
1725439994333,6cyclictest1726246-21munin-plugin-st07:15:011
1725439994332,7cyclictest0-21swapper/111:20:291
1725439994331,8cyclictest0-21swapper/112:25:281
1725439994330,8cyclictest0-21swapper/107:40:281
1725439994326,12cyclictest231ktimers/108:00:141
1725439994326,10cyclictest0-21swapper/108:20:271
172543599434,37cyclictest0-21swapper/008:25:120
172543599431,40cyclictest0-21swapper/007:15:190
1725441994235,4cyclictest0-21swapper/211:40:272
1725441994232,6cyclictest1747630-21grep09:15:272
1725441994227,11cyclictest0-21swapper/209:55:252
1725439994232,5cyclictest0-21swapper/112:20:261
1725439994229,9cyclictest0-21swapper/107:40:011
1725439994229,9cyclictest0-21swapper/107:40:001
1725439994226,11cyclictest231ktimers/109:05:131
1725435994232,6cyclictest0-21swapper/010:00:260
1725435994229,10cyclictest0-21swapper/008:00:280
172543599422,5cyclictest1757385-21df_inode10:15:180
1725441994129,8cyclictest0-21swapper/208:20:272
1725441994128,9cyclictest311ktimers/211:20:132
1725441994128,9cyclictest0-21swapper/209:20:272
1725441994125,13cyclictest311ktimers/209:25:142
1725441994123,14cyclictest311ktimers/207:25:132
1725441994110,19cyclictest32-21ksoftirqd/208:10:012
1725439994132,5cyclictest0-21swapper/111:00:011
1725439994128,8cyclictest0-21swapper/108:55:291
1725439994121,14cyclictest231ktimers/109:50:131
1725435994134,4cyclictest167350irq/118-8000000.ethernet-tx007:10:370
1725435994134,4cyclictest0-21swapper/009:10:190
172543599411,38cyclictest0-21swapper/012:25:240
172543599411,38cyclictest0-21swapper/009:05:210
1725441994032,4cyclictest0-21swapper/211:15:222
1725441994029,8cyclictest311ktimers/208:30:132
1725439994030,5cyclictest0-21swapper/112:10:151
1725439994029,7cyclictest0-21swapper/107:45:281
1725439994026,10cyclictest0-21swapper/110:40:281
1725439994026,10cyclictest0-21swapper/110:40:271
172543599405,31cyclictest0-21swapper/012:15:260
1725435994027,8cyclictest0-21swapper/010:40:280
1725435994027,8cyclictest0-21swapper/010:40:280
1725435994025,13cyclictest0-21swapper/011:00:210
1725435994025,13cyclictest0-21swapper/011:00:210
1725435994023,15cyclictest0-21swapper/008:50:120
172543599401,9cyclictest1771464-21unixbench_multi11:35:290
172543599401,4cyclictest1775006-21users11:55:280
172543599401,3cyclictest1769139-21cat11:25:010
172543599401,37cyclictest1744788-21if_err_eth109:00:220
172543599401,37cyclictest1744788-21if_err_eth109:00:210
1725441993926,9cyclictest0-21swapper/210:10:012
1725441993926,8cyclictest0-21swapper/207:50:282
1725441993925,9cyclictest0-21swapper/209:45:202
1725439993926,8cyclictest0-21swapper/108:25:291
1725435993932,4cyclictest20850irq/208-8000000.ethernet08:40:280
1725435993932,4cyclictest20850irq/208-8000000.ethernet08:40:280
1725435993932,4cyclictest0-21swapper/008:45:180
1725435993926,9cyclictest0-21swapper/010:25:260
1725435993926,9cyclictest0-21swapper/010:25:260
1725435993924,11cyclictest0-21swapper/012:35:270
172543599392,35cyclictest0-21swapper/007:20:230
172543599391,8cyclictest1737867-21fschecks_time08:20:190
172543599391,4cyclictest0-21swapper/009:30:190
172543599391,3cyclictest0-21swapper/009:35:110
172543599391,3cyclictest0-21swapper/009:35:110
172543599391,36cyclictest0-21swapper/010:30:240
1725441993827,7cyclictest0-21swapper/208:45:292
1725441993822,13cyclictest311ktimers/210:30:152
1725441993820,12cyclictest0-21swapper/209:50:272
172543999384,12cyclictest22-21rcuc/110:05:011
1725439993824,5cyclictest0-21swapper/107:15:261
1725439993823,9cyclictest0-21swapper/110:25:261
1725439993823,9cyclictest0-21swapper/110:25:261
1725435993833,3cyclictest0-21swapper/011:45:110
1725435993830,4cyclictest0-21swapper/010:05:200
172543599381,4cyclictest0-21swapper/012:25:010
172543599381,35cyclictest0-21swapper/012:30:110
172543599381,2cyclictest0-21swapper/010:00:010
172544199379,6cyclictest0-21swapper/210:20:012
1725441993728,4cyclictest0-21swapper/208:15:012
1725439993723,9cyclictest1752062-21apt09:44:591
172543999371,10cyclictest0-21swapper/110:25:011
1725435993731,4cyclictest0-21swapper/010:45:160
1725435993727,7cyclictest0-21swapper/008:10:010
1725435993726,7cyclictest1748566-21grep09:20:290
172543599371,34cyclictest0-21swapper/012:05:290
172543599371,34cyclictest0-21swapper/011:30:160
172543599371,34cyclictest0-21swapper/010:10:190
172543599371,2cyclictest0-21swapper/011:15:120
1725441993631,2cyclictest0-21swapper/212:05:192
1725441993629,4cyclictest0-21swapper/208:00:282
1725441993627,5cyclictest0-21swapper/212:15:262
172544199362,6cyclictest0-21swapper/209:00:012
1725441993624,8cyclictest0-21swapper/207:15:192
1725441993619,10cyclictest0-21swapper/210:55:002
1725439993615,15cyclictest231ktimers/111:35:131
1725441993525,6cyclictest0-21swapper/207:10:372
1725441993525,5cyclictest0-21swapper/209:40:262
1725441993524,7cyclictest0-21swapper/207:20:272
1725441993523,9cyclictest311ktimers/210:20:102
172544199351,28cyclictest0-21swapper/208:25:162
1725439993526,5cyclictest0-21swapper/112:30:271
1725439993521,5cyclictest0-21swapper/111:45:001
172543999351,4cyclictest0-21swapper/107:30:011
1725435993524,7cyclictest0-21swapper/010:50:270
172544199344,13cyclictest1749722-21/usr/sbin/munin09:30:182
1725439993429,2cyclictest0-21swapper/109:50:011
1725439993425,6cyclictest1733172-21grep07:50:281
1725439993424,6cyclictest231ktimers/109:25:131
1725439993423,7cyclictest0-21swapper/112:35:271
1725439993421,9cyclictest0-21swapper/108:30:221
172543999341,2cyclictest0-21swapper/108:15:011
1725441993326,4cyclictest0-21swapper/211:00:282
1725441993326,4cyclictest0-21swapper/211:00:282
1725441993324,6cyclictest1759610-21grep10:25:262
1725441993324,6cyclictest1759610-21grep10:25:252
1725441993324,6cyclictest0-21swapper/208:50:282
172544199332,19cyclictest1774159-21unixbench_singl11:50:262
1725441993321,8cyclictest30-21rcuc/210:40:132
1725441993321,8cyclictest30-21rcuc/210:40:132
1725441993319,9cyclictest1730111-21/usr/sbin/munin07:35:122
1725441993319,9cyclictest1730111-21/usr/sbin/munin07:35:122
1725441993319,8cyclictest0-21swapper/208:40:272
1725441993319,8cyclictest0-21swapper/208:40:272
172544199331,27cyclictest0-21swapper/209:35:162
172544199331,27cyclictest0-21swapper/209:35:162
1725439993324,5cyclictest0-21swapper/108:05:291
172543999331,27cyclictest0-21swapper/107:55:271
172543999331,26cyclictest0-21swapper/108:50:181
1725435993328,2cyclictest0-21swapper/007:45:180
1725435993325,5cyclictest1725436-21latency_hist07:10:010
1725441993220,8cyclictest1740834-21grep08:35:282
172544199321,28cyclictest1775023-21sshd11:58:522
1725439993224,5cyclictest1727589-21/usr/sbin/munin07:20:211
1725439993223,5cyclictest0-21swapper/111:50:251
1725439993222,7cyclictest1773166-21grep11:45:261
1725439993220,8cyclictest0-21swapper/109:55:271
172543599321,29cyclictest0-21swapper/011:25:570
172544199314,22cyclictest1745156-21unixbench_singl09:00:282
172544199314,22cyclictest1745156-21unixbench_singl09:00:282
1725441993124,4cyclictest0-21swapper/211:45:242
172544199312,2cyclictest0-21swapper/211:30:012
1725441993122,6cyclictest311ktimers/212:30:112
1725441993122,6cyclictest0-21swapper/208:15:282
1725441993122,5cyclictest1731501-21grep07:40:282
1725441993120,8cyclictest311ktimers/210:45:142
1725441993118,7cyclictest1779999-21grep12:25:282
1725441993117,9cyclictest0-21swapper/209:05:292
1725441993117,8cyclictest0-21swapper/207:50:012
1725441993111,14cyclictest311ktimers/212:20:102
1725439993122,5cyclictest0-21swapper/111:30:281
1725439993121,7cyclictest1768096-21grep11:15:291
1725439993120,8cyclictest1748624-21unixbench_singl09:20:291
172543999311,24cyclictest1740889-21latency_hist08:40:011
1725439993021,5cyclictest0-21swapper/107:30:261
1725441992922,4cyclictest0-21swapper/210:10:262
1725441992921,4cyclictest1771122-21sh11:35:222
1725441992920,6cyclictest0-21swapper/210:00:272
1725439992923,4cyclictest1773336-21kworker/u8:3-events_power_efficient12:05:261
1725439992923,4cyclictest0-21swapper/112:00:011
1725439992922,4cyclictest0-21swapper/108:15:281
1725441992821,4cyclictest0-21swapper/211:10:272
172543999289,14cyclictest231ktimers/112:15:121
1725439992816,4cyclictest0-21swapper/107:10:021
1725441992722,4cyclictest0-21swapper/211:05:182
1725439992518,5cyclictest864-21systemd-logind11:11:331
1725441992211,6cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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