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2026-05-28 - 20:52

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 highest latencies:
System rackeslot6s.osadl.org (updated Thu May 28, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25870119912111,9cyclictest0-21swapper/109:05:001
258701199931,2cyclictest0-21swapper/108:40:011
2587011997431,34cyclictest0-21swapper/111:15:291
2587011997431,34cyclictest0-21swapper/111:15:281
258701199691,6cyclictest0-21swapper/112:35:001
2587011996524,31cyclictest0-21swapper/109:05:281
2587011996521,5cyclictest2636300-21grep11:55:261
2587011996430,26cyclictest0-21swapper/109:10:281
2587011996422,33cyclictest0-21swapper/109:40:251
2587011996324,29cyclictest0-21swapper/109:25:191
2587011996220,32cyclictest0-21swapper/111:45:231
2587011996129,26cyclictest0-21swapper/110:30:261
2587011996021,3cyclictest0-21swapper/110:10:221
2587011996016,38cyclictest0-21swapper/109:55:251
2587011995817,35cyclictest0-21swapper/108:10:011
2587011995722,29cyclictest0-21swapper/110:15:271
2587011995720,3cyclictest0-21swapper/107:45:221
2587011995716,6cyclictest0-21swapper/108:45:301
2587011995625,24cyclictest0-21swapper/107:15:011
2587011995616,6cyclictest0-21swapper/110:50:251
2587011995525,22cyclictest0-21swapper/112:00:291
2587011995521,29cyclictest0-21swapper/109:30:251
2587011995518,6cyclictest2616891-21cron10:05:001
2587011995516,8cyclictest2639683-21grep12:15:281
2587011995423,25cyclictest2596550-21grep08:05:001
2587011995417,33cyclictest0-21swapper/112:10:261
2587011995417,33cyclictest0-21swapper/112:10:261
2587011995416,6cyclictest0-21swapper/110:20:211
2587011995415,5cyclictest0-21swapper/108:50:271
2587011995316,4cyclictest0-21swapper/111:40:241
2587011995315,3cyclictest0-21swapper/111:20:221
2587009995333,13cyclictest0-21swapper/007:55:290
2587011995224,24cyclictest231ktimers/111:35:211
2587011995223,26cyclictest0-21swapper/111:05:211
2587011995218,4cyclictest0-21swapper/107:20:291
2587011995218,4cyclictest0-21swapper/107:20:291
2587011995216,6cyclictest0-21swapper/108:15:271
2587011995216,6cyclictest0-21swapper/108:15:271
258701199521,28cyclictest2592775-21/usr/sbin/munin07:40:231
2587011995123,11cyclictest2597587-21/usr/sbin/munin08:10:171
2587011995120,26cyclictest0-21swapper/109:20:021
2587011995116,4cyclictest0-21swapper/107:30:251
2587009995118,28cyclictest0-21swapper/011:20:200
2587011995035,10cyclictest0-21swapper/109:40:011
2587011995030,16cyclictest2605816-21sh09:00:001
2587011995030,16cyclictest2605816-21sh09:00:001
2587011995019,4cyclictest0-21swapper/110:05:281
2587009995040,6cyclictest2622807-21sendmail10:40:000
2587011994940,6cyclictest2595694-21munin-plugin-st07:59:591
2587011994919,25cyclictest0-21swapper/108:25:011
2587011994918,8cyclictest0-21swapper/111:54:591
2587011994822,23cyclictest2640617-21sshd12:21:211
258701199481,25cyclictest0-21swapper/110:29:311
2587009994828,14cyclictest0-21swapper/011:05:280
258701499479,25cyclictest2634077-21/usr/sbin/munin11:45:172
2587014994732,11cyclictest0-21swapper/211:35:002
2587011994719,4cyclictest0-21swapper/107:40:001
2587009994736,7cyclictest2606924-21cat09:05:010
2587009994734,2cyclictest0-21swapper/009:20:020
2587011994626,16cyclictest0-21swapper/107:25:251
2587011994619,22cyclictest0-21swapper/110:40:181
2587011994614,8cyclictest0-21swapper/111:25:231
2587009994633,10cyclictest2614320-21grep09:45:290
2587011994536,6cyclictest2610045-21grep09:20:301
258700999452,40cyclictest0-21swapper/009:10:240
258700999451,37cyclictest0-21swapper/007:15:040
258700999449,31cyclictest0-21swapper/010:10:190
2587009994436,5cyclictest2637223-21grep12:00:280
2587009994433,7cyclictest0-21swapper/008:50:290
2587009994426,16cyclictest0-21swapper/009:30:240
258700999442,40cyclictest0-21swapper/009:40:180
258701499434,5cyclictest0-21swapper/208:25:022
2587014994335,5cyclictest2626117-21unixbench_singl10:55:292
2587014994330,8cyclictest0-21swapper/208:05:272
2587011994320,18cyclictest0-21swapper/109:50:291
2587009994338,4cyclictest0-21swapper/007:35:090
2587009994331,9cyclictest0-21swapper/010:10:010
2587009994315,23cyclictest0-21swapper/007:15:020
2587009994311,8cyclictest2587005-21cyclictest07:20:220
2587009994311,8cyclictest2587005-21cyclictest07:20:210
2587014994231,7cyclictest0-21swapper/210:25:262
2587014994230,8cyclictest0-21swapper/212:30:262
2587014994227,9cyclictest0-21swapper/207:15:012
2587014994216,12cyclictest2618776-21/usr/sbin/munin10:15:182
258701199421,7cyclictest0-21swapper/112:30:011
2587009994236,2cyclictest2624024-21fschecks_time10:45:190
2587009994228,10cyclictest0-21swapper/011:00:280
2587009994228,10cyclictest0-21swapper/011:00:280
258700999422,4cyclictest2601864-21df08:35:180
2587009994224,16cyclictest0-21swapper/011:30:170
258700999421,5cyclictest2600421-21grep08:25:230
258701499418,21cyclictest2592537-21/usr/sbin/munin07:40:192
2587014994134,4cyclictest2614351-21cron09:50:002
2587011994121,18cyclictest231ktimers/108:25:121
2587009994129,9cyclictest0-21swapper/010:40:270
2587009994128,9cyclictest0-21swapper/008:20:290
2587009994127,10cyclictest0-21swapper/011:40:260
258700999412,4cyclictest2591143-21memory07:30:240
2587009994124,14cyclictest131ktimers/012:05:130
258700999412,37cyclictest0-21swapper/008:30:170
258700999412,35cyclictest2614808-21sshd09:50:220
2587014994031,5cyclictest0-21swapper/207:55:002
2587014994029,7cyclictest2620240-21grep10:20:282
2587014994029,7cyclictest0-21swapper/209:50:292
2587014994028,8cyclictest0-21swapper/207:35:262
2587014994027,9cyclictest0-21swapper/209:45:012
2587014994010,26cyclictest2617097-21/usr/sbin/munin10:05:172
2587009994032,4cyclictest0-21swapper/009:25:200
2587009994028,9cyclictest0-21swapper/007:45:270
2587009994027,8cyclictest0-21swapper/008:05:280
2587009994024,14cyclictest167350irq/118-8000000.ethernet-tx009:20:170
258700999401,37cyclictest0-21swapper/009:05:080
258700999401,37cyclictest0-21swapper/007:50:170
2587014993933,3cyclictest2617936-21/usr/sbin/munin10:10:172
2587014993932,4cyclictest2602441-21cron08:39:592
2587014993931,4cyclictest2637258-21munin-plugin-st12:05:002
258701499392,31cyclictest0-21swapper/208:10:252
258701499391,30cyclictest0-21swapper/210:45:232
258701199396,27cyclictest231ktimers/112:06:231
2587011993923,10cyclictest0-21swapper/110:55:211
2587009993933,4cyclictest0-21swapper/008:45:140
2587009993932,4cyclictest20850irq/208-8000000.ethernet11:10:260
258700999391,4cyclictest2620260-21sshd10:21:230
258700999391,4cyclictest0-21swapper/011:00:010
258700999391,3cyclictest2616416-21ssh10:00:190
258700999391,35cyclictest2638873-21unixbench_singl12:10:270
258700999391,35cyclictest2638873-21unixbench_singl12:10:270
258701499384,27cyclictest2637993-21unixbench_multi12:05:282
2587014993831,4cyclictest2588951-21sendmail07:20:002
2587014993830,5cyclictest2633028-21sendmail11:39:592
2587014993829,6cyclictest2631285-21grep11:25:272
2587014993828,7cyclictest0-21swapper/211:10:292
2587014993828,6cyclictest2625249-21grep10:50:272
2587014993828,6cyclictest2604099-21grep08:45:302
2587014993828,5cyclictest0-21swapper/210:40:282
2587014993826,9cyclictest0-21swapper/208:20:282
2587014993825,8cyclictest0-21swapper/211:15:302
2587014993825,8cyclictest0-21swapper/211:15:302
2587014993825,8cyclictest0-21swapper/207:50:002
258701499381,7cyclictest2601499-21unixbench_multi08:30:272
258701499381,30cyclictest2621737-21grep10:30:272
2587009993827,8cyclictest0-21swapper/009:55:270
258700999381,5cyclictest0-21swapper/009:40:010
258700999381,4cyclictest0-21swapper/007:40:200
258700999381,3cyclictest0-21swapper/011:35:190
258700999381,35cyclictest0-21swapper/012:35:160
2587014993729,5cyclictest0-21swapper/208:00:292
2587014993728,6cyclictest0-21swapper/212:35:292
2587014993728,5cyclictest0-21swapper/209:39:592
2587014993726,6cyclictest0-21swapper/207:25:282
2587014993722,8cyclictest0-21swapper/207:30:282
2587011993717,4cyclictest2601080-21fschecks_count08:30:191
2587009993732,3cyclictest0-21swapper/011:50:100
2587009993731,4cyclictest0-21swapper/008:00:210
2587009993730,4cyclictest20850irq/208-8000000.ethernet10:50:240
2587009993728,6cyclictest0-21swapper/012:20:290
2587009993721,14cyclictest0-21swapper/011:56:180
258700999371,3cyclictest0-21swapper/011:30:010
258700999371,34cyclictest0-21swapper/012:15:210
258700999371,34cyclictest0-21swapper/010:15:190
258700999371,34cyclictest0-21swapper/008:10:120
258700999371,34cyclictest0-21swapper/007:25:260
258700999371,2cyclictest0-21swapper/010:35:010
2587014993630,3cyclictest167550irq/134-8000000.ethernet-tx209:20:262
2587014993623,9cyclictest0-21swapper/209:05:262
2587014993621,10cyclictest0-21swapper/211:05:272
2587009993630,4cyclictest20850irq/208-8000000.ethernet11:15:230
2587009993630,4cyclictest20850irq/208-8000000.ethernet11:15:230
2587009993623,9cyclictest0-21swapper/011:45:270
258700999361,33cyclictest0-21swapper/008:55:110
258700999361,33cyclictest0-21swapper/008:55:110
258700999361,29cyclictest0-21swapper/008:45:020
2587014993528,4cyclictest311ktimers/211:55:272
2587014993528,4cyclictest2622711-21grep10:35:282
2587014993526,6cyclictest2641380-21grep12:25:292
2587014993518,10cyclictest2595594-21grep07:55:282
258701499351,28cyclictest0-21swapper/208:40:162
2587011993520,10cyclictest2603259-21grep08:40:281
2587009993525,7cyclictest2641395-21grep12:25:290
258700999351,32cyclictest0-21swapper/010:25:100
258700999351,32cyclictest0-21swapper/008:17:020
258700999351,32cyclictest0-21swapper/008:17:020
2587014993427,4cyclictest167550irq/134-8000000.ethernet-tx209:30:282
2587014993425,6cyclictest2606595-21grep09:00:292
2587014993420,9cyclictest0-21swapper/210:00:282
2587014993419,9cyclictest0-21swapper/211:20:302
258701499341,28cyclictest0-21swapper/212:20:202
2587011993413,11cyclictest2588298-21/usr/sbin/munin07:15:181
2587014993324,5cyclictest0-21swapper/212:15:252
2587014993319,9cyclictest0-21swapper/209:55:202
2587009993324,6cyclictest2642218-21grep12:30:250
2587014993218,9cyclictest0-21swapper/209:25:242
258701199321,2cyclictest0-21swapper/111:15:001
2587014993123,4cyclictest2605511-21phc2sys08:55:262
2587014993123,4cyclictest2605511-21phc2sys08:55:262
2587014993119,8cyclictest0-21swapper/211:00:262
2587014993119,8cyclictest0-21swapper/211:00:262
2587014993116,11cyclictest0-21swapper/208:50:202
2587014993020,6cyclictest0-21swapper/211:55:012
2587011993023,4cyclictest0-21swapper/107:50:271
2587014992918,7cyclictest0-21swapper/207:20:292
2587014992918,7cyclictest0-21swapper/207:20:292
258701499283,4cyclictest2633497-21irqstats11:40:222
2587014992815,9cyclictest2609300-21sendmail09:20:002
2587011992821,3cyclictest47-21kauditd10:35:011
2587011992821,3cyclictest0-21swapper/112:35:231
2587011992819,5cyclictest0-21swapper/111:00:201
2587011992819,5cyclictest0-21swapper/111:00:191
2587014992716,7cyclictest0-21swapper/208:15:282
2587014992716,7cyclictest0-21swapper/208:15:282
2587014992713,10cyclictest0-21swapper/212:10:262
2587014992713,10cyclictest0-21swapper/212:10:262
2587011992718,6cyclictest1660-21snmpd09:48:151
2587011992716,8cyclictest0-21swapper/111:30:211
2587014992617,5cyclictest0-21swapper/207:10:012
2587014992313,7cyclictest0-21swapper/209:10:272
2587011992317,4cyclictest0-21swapper/110:45:151
258700999231,2cyclictest2587005-21cyclictest07:10:000
2587011991813,3cyclictest2586971-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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