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2026-09-05 - 17:27

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 Sat Sep 05, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269709099661,32cyclictest0-21swapper/109:05:021
2697094995340,9cyclictest2712714-21sendmail08:40:012
2697086995244,4cyclictest2748015-21sh12:05:210
2697086995244,4cyclictest167350irq/118-8000000.ethernet-tx007:25:310
2697090995139,8cyclictest0-21swapper/107:25:001
2697086995132,16cyclictest167350irq/118-8000000.ethernet-tx009:40:160
2697090994935,9cyclictest0-21swapper/111:50:291
2697090994835,8cyclictest0-21swapper/110:25:271
2697090994832,10cyclictest0-21swapper/110:00:291
2697086994840,5cyclictest20850irq/208-8000000.ethernet09:20:250
2697086994831,14cyclictest15-21rcuc/010:55:000
2697094994735,8cyclictest0-21swapper/212:20:002
2697090994732,10cyclictest0-21swapper/108:40:011
2697086994740,4cyclictest167350irq/118-8000000.ethernet-tx011:05:280
2697086994736,8cyclictest15-21rcuc/008:55:150
2697094994635,8cyclictest0-21swapper/212:35:002
2697090994635,8cyclictest2746839-21sendmail12:00:001
2697090994631,11cyclictest0-21swapper/109:34:591
2697090994629,10cyclictest0-21swapper/108:05:291
2697086994637,5cyclictest0-21swapper/008:45:280
2697086994637,5cyclictest0-21swapper/008:45:280
2697086994635,7cyclictest2724555-21grep09:45:290
269708699462,6cyclictest2746258-21df_inode11:55:170
269708699462,40cyclictest2704818-21sed07:50:270
2697090994532,9cyclictest2743372-21munin-plugin-st11:40:011
2697090994530,9cyclictest2709268-21sed08:15:271
2697090994528,9cyclictest0-21swapper/107:10:011
2697090994527,10cyclictest0-21swapper/109:10:291
269708699454,8cyclictest2712933-21grep08:40:020
2697086994535,6cyclictest0-21swapper/009:55:310
269708699453,36cyclictest0-21swapper/010:25:020
2697094994432,8cyclictest0-21swapper/212:05:002
2697094994429,9cyclictest0-21swapper/209:40:292
2697090994438,4cyclictest2704089-21munin-plugin-st07:50:011
2697090994438,4cyclictest2704089-21munin-plugin-st07:50:011
2697090994428,11cyclictest0-21swapper/112:00:301
269708699443,5cyclictest2739080-21date11:15:000
2697086994432,8cyclictest0-21swapper/009:40:010
269708699442,7cyclictest2702055-21memory07:35:250
269708699442,6cyclictest2699436-21fw_packets07:20:210
269708699442,5cyclictest2727661-21memory10:05:250
269708699442,5cyclictest2727661-21memory10:05:250
269708699442,5cyclictest2708759-21diskstats08:15:160
269708699442,38cyclictest2705743-21/usr/sbin/munin07:55:300
2697094994337,3cyclictest2734847-21munin-plugin-st10:50:002
2697094994326,12cyclictest0-21swapper/211:55:282
2697090994329,9cyclictest0-21swapper/112:10:311
2697090994328,9cyclictest0-21swapper/107:15:271
2697086994334,6cyclictest2703981-21grep07:45:310
2697086994334,6cyclictest2703981-21grep07:45:300
2697086994334,6cyclictest131ktimers/010:30:260
269708699432,5cyclictest2720915-21meminfo09:25:260
269708699432,5cyclictest2720915-21meminfo09:25:260
2697094994234,5cyclictest2727998-21munin-run10:10:002
2697094994234,5cyclictest2727998-21munin-run10:10:002
2697094994231,6cyclictest2716062-21unixbench_multi08:55:282
2697090994229,8cyclictest0-21swapper/111:00:271
2697090994229,10cyclictest2739927-21apt-get11:20:001
2697090994229,10cyclictest2739927-21apt-get11:20:001
2697090994228,10cyclictest0-21swapper/112:20:001
2697090994227,9cyclictest0-21swapper/110:30:321
269708699425,33cyclictest2752431-21phc2sys12:30:270
269708699423,8cyclictest2744967-21unixbench_multi11:45:290
2697086994235,4cyclictest167350irq/118-8000000.ethernet-tx011:30:180
2697086994235,3cyclictest2706636-21apt-key08:05:020
2697086994234,4cyclictest167350irq/118-8000000.ethernet-tx010:00:240
2697086994229,6cyclictest0-21swapper/011:35:220
269708699421,38cyclictest0-21swapper/007:10:280
2697094994130,8cyclictest0-21swapper/207:19:592
2697094994129,9cyclictest0-21swapper/210:40:012
2697094994129,8cyclictest0-21swapper/208:40:282
2697094994127,9cyclictest0-21swapper/208:05:012
2697090994127,9cyclictest0-21swapper/110:45:291
2697090994126,8cyclictest0-21swapper/110:15:291
2697086994134,4cyclictest2753589-21munin-plugin-st12:40:000
2697086994134,4cyclictest20850irq/208-8000000.ethernet11:45:000
2697086994131,5cyclictest2730666-21latency_hist10:25:020
2697086994127,10cyclictest0-21swapper/007:15:050
269708699412,5cyclictest0-21swapper/012:20:200
269708699412,5cyclictest0-21swapper/012:20:200
269708699411,37cyclictest2732999-21sed10:35:310
269708699411,37cyclictest0-21swapper/009:50:150
2697094994028,8cyclictest0-21swapper/211:20:282
2697094994028,8cyclictest0-21swapper/209:25:282
2697094994028,8cyclictest0-21swapper/209:25:282
2697094994025,8cyclictest0-21swapper/210:00:302
2697094994022,10cyclictest0-21swapper/211:35:262
269709499401,4cyclictest2716964-21unixbench_singl09:00:302
2697090994030,5cyclictest0-21swapper/108:15:011
2697090994029,8cyclictest0-21swapper/111:00:011
2697090994029,6cyclictest0-21swapper/110:20:281
2697090994028,8cyclictest0-21swapper/108:40:291
2697090994026,8cyclictest0-21swapper/111:45:281
2697090994023,10cyclictest0-21swapper/107:10:301
2697090994018,11cyclictest0-21swapper/111:10:291
2697086994031,4cyclictest167350irq/118-8000000.ethernet-tx011:00:020
2697086994030,7cyclictest2737346-21grep11:00:270
2697086994030,5cyclictest2719466-21grep09:15:290
269708699402,36cyclictest0-21swapper/012:00:250
269708699402,34cyclictest2708349-21unixbench_singl08:10:280
269708699401,5cyclictest0-21swapper/010:15:250
2697094993932,4cyclictest2730542-21munin-run10:25:012
2697094993929,7cyclictest0-21swapper/208:25:302
2697094993926,8cyclictest0-21swapper/211:40:292
2697090993929,5cyclictest0-21swapper/108:05:011
2697090993927,9cyclictest0-21swapper/109:50:331
2697090993927,8cyclictest0-21swapper/111:40:291
269709099391,3cyclictest0-21swapper/111:25:191
269708699395,5cyclictest2707453-21unixbench_multi08:05:300
2697086993934,3cyclictest167350irq/118-8000000.ethernet-tx009:05:190
269708699393,32cyclictest2739418-21fschecks_time11:15:200
269708699393,32cyclictest2739418-21fschecks_time11:15:200
2697086993930,5cyclictest167350irq/118-8000000.ethernet-tx011:50:240
2697086993929,5cyclictest0-21swapper/011:20:200
2697086993928,7cyclictest2728730-21grep10:10:320
2697086993924,10cyclictest0-21swapper/009:15:000
269708699392,34cyclictest0-21swapper/008:40:190
269709499385,7cyclictest2698029-21irqstats07:15:012
2697094993827,5cyclictest0-21swapper/208:15:012
2697090993829,4cyclictest0-21swapper/109:25:301
2697090993829,4cyclictest0-21swapper/109:25:301
2697090993829,4cyclictest0-21swapper/107:30:291
2697090993828,6cyclictest0-21swapper/112:10:001
2697090993827,8cyclictest0-21swapper/109:20:271
2697090993824,7cyclictest2751854-21grep12:25:261
2697090993823,8cyclictest0-21swapper/108:50:011
2697090993823,8cyclictest0-21swapper/108:50:001
2697090993822,8cyclictest0-21swapper/107:35:291
2697086993830,5cyclictest2734793-21grep10:45:290
2697086993829,7cyclictest0-21swapper/012:10:310
2697086993829,5cyclictest2716938-21unixbench_multi09:00:290
2697086993826,7cyclictest2749619-21df12:15:170
2697086993822,11cyclictest0-21swapper/008:50:300
269708699381,3cyclictest2709549-21apt-get08:20:120
269708699381,35cyclictest0-21swapper/007:30:210
269708699381,32cyclictest0-21swapper/010:40:270
2697094993728,5cyclictest0-21swapper/212:25:002
2697094993728,5cyclictest0-21swapper/212:24:592
2697094993727,7cyclictest0-21swapper/209:55:002
2697094993726,8cyclictest0-21swapper/212:35:302
2697094993726,8cyclictest0-21swapper/207:35:292
2697094993726,7cyclictest0-21swapper/210:10:322
2697094993724,9cyclictest2703185-21unixbench_singl07:40:302
2697090993726,5cyclictest0-21swapper/108:50:291
2697090993723,9cyclictest0-21swapper/107:55:221
2697086993730,4cyclictest20850irq/208-8000000.ethernet07:44:590
269708699371,34cyclictest0-21swapper/011:25:160
2697094993626,7cyclictest2719492-21grep09:15:292
2697094993626,6cyclictest0-21swapper/212:10:312
2697090993630,3cyclictest167450irq/126-8000000.ethernet-tx109:15:281
2697090993627,5cyclictest0-21swapper/110:40:021
2697090993624,7cyclictest0-21swapper/112:30:291
2697090993621,8cyclictest0-21swapper/109:45:301
2697086993624,8cyclictest0-21swapper/008:30:300
2697094993527,5cyclictest2741589-21unixbench_multi11:25:282
2697094993527,4cyclictest0-21swapper/211:20:022
2697094993527,4cyclictest0-21swapper/211:20:022
2697094993526,5cyclictest0-21swapper/208:05:302
2697094993524,8cyclictest0-21swapper/212:25:272
2697094993523,8cyclictest0-21swapper/209:30:232
2697090993526,5cyclictest167450irq/126-8000000.ethernet-tx110:50:281
2697090993523,8cyclictest0-21swapper/109:35:271
2697086993529,4cyclictest20850irq/208-8000000.ethernet09:30:280
2697086993520,13cyclictest0-21swapper/012:25:170
2697094993426,4cyclictest0-21swapper/210:15:202
2697094993425,7cyclictest0-21swapper/207:20:262
2697094993425,5cyclictest0-21swapper/209:05:212
2697094993425,5cyclictest0-21swapper/207:35:012
2697094993424,7cyclictest0-21swapper/207:50:012
2697094993424,7cyclictest0-21swapper/207:50:002
2697094993423,8cyclictest0-21swapper/208:45:252
2697094993423,8cyclictest0-21swapper/208:45:252
2697094993423,7cyclictest0-21swapper/210:40:292
2697094993422,8cyclictest0-21swapper/207:30:002
269709499341,27cyclictest2722290-21/usr/sbin/munin09:35:292
2697090993424,7cyclictest0-21swapper/108:30:301
2697090993422,8cyclictest0-21swapper/108:20:311
2697090993421,8cyclictest0-21swapper/112:35:301
2697090993421,8cyclictest0-21swapper/108:55:271
2697090993412,15cyclictest167450irq/126-8000000.ethernet-tx109:40:241
2697094993324,6cyclictest2737990-21grep11:05:282
2697094993324,5cyclictest0-21swapper/211:10:292
2697094993320,8cyclictest0-21swapper/208:15:272
269709499331,27cyclictest2736740-21sshd11:00:042
2697090993324,5cyclictest0-21swapper/110:05:291
2697090993324,5cyclictest0-21swapper/110:05:291
2697090993323,7cyclictest0-21swapper/110:40:291
2697090993323,7cyclictest0-21swapper/107:50:271
2697090993323,6cyclictest0-21swapper/107:25:291
2697090993323,5cyclictest0-21swapper/112:20:231
2697090993323,5cyclictest0-21swapper/112:20:231
269708699331,30cyclictest0-21swapper/008:25:270
269709499322,4cyclictest2748148-21irqstats12:05:242
2697094993224,4cyclictest0-21swapper/211:45:292
2697094993221,8cyclictest0-21swapper/210:30:322
269709499321,9cyclictest0-21swapper/210:30:012
2697094993216,4cyclictest167550irq/134-8000000.ethernet-tx207:55:202
269709099324,11cyclictest2737580-21/usr/sbin/munin11:05:191
2697090993220,9cyclictest0-21swapper/107:40:301
2697090993220,8cyclictest0-21swapper/111:30:291
269709499319,15cyclictest2725664-21/usr/sbin/munin09:55:212
2697094993124,5cyclictest2714688-21/usr/sbin/munin08:50:222
2697094993123,5cyclictest0-21swapper/211:30:292
2697094993121,7cyclictest0-21swapper/210:50:292
2697090993123,5cyclictest2717228-21/usr/sbin/munin09:05:201
2697090993121,7cyclictest0-21swapper/111:20:291
2697090993120,7cyclictest0-21swapper/110:00:021
269709099311,27cyclictest2728198-21/usr/sbin/munin10:10:271
2697094993023,4cyclictest0-21swapper/208:20:292
2697094993020,7cyclictest0-21swapper/208:30:302
2697090993021,5cyclictest0-21swapper/108:25:191
2697094992923,4cyclictest2736529-21sendmail11:00:002
2697094992919,7cyclictest0-21swapper/211:50:292
2697094992821,4cyclictest0-21swapper/207:50:142
2697094992819,5cyclictest0-21swapper/209:45:212
269709499281,4cyclictest0-21swapper/209:20:152
2697086992819,5cyclictest131ktimers/007:10:020
2697094992617,7cyclictest311ktimers/209:10:152
2697094992114,3cyclictest0-21swapper/207:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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