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2026-06-14 - 21:18

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, 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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  Intel
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.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rack1slot6s.osadl.org (updated Sun Jun 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3047021480,40sleep130469-21basename07:29:501
12608991014,89cyclictest0-21swapper/211:19:492
12608991014,89cyclictest0-21swapper/211:19:492
12608991004,88cyclictest12530-21ls10:39:332
12608991004,88cyclictest12530-21ls10:39:332
12608991003,89cyclictest23378-21fschecks_count09:19:412
12608991003,89cyclictest23378-21fschecks_count09:19:412
1260899993,89cyclictest0-21swapper/209:24:392
1260899974,86cyclictest0-21swapper/211:39:342
1260899973,87cyclictest0-21swapper/210:24:402
1260899973,86cyclictest0-21swapper/208:59:572
12607999634,54cyclictest32709-21cpuspeed_turbos11:09:341
1260899953,23cyclictest7445-21telnet09:44:352
1260899943,83cyclictest14329-21fschecks_time11:29:382
12607999412,13cyclictest0-21swapper/111:04:331
1260899934,36cyclictest0-21swapper/211:14:332
1260899933,82cyclictest0-21swapper/210:59:482
1260899924,81cyclictest0-21swapper/211:54:282
1260899924,13cyclictest0-21swapper/210:39:212
1260899923,27cyclictest0-21swapper/210:54:482
12608999215,11cyclictest0-21swapper/210:02:152
12608999215,11cyclictest0-21swapper/210:02:152
1260899914,24cyclictest12489-21grep09:50:002
1260899913,80cyclictest0-21swapper/212:17:172
12607999114,14cyclictest0-21swapper/109:54:341
1260899903,80cyclictest0-21swapper/210:09:512
1260899903,79cyclictest0-21swapper/211:04:342
1260899903,24cyclictest0-21swapper/209:33:522
1260899903,13cyclictest0-21swapper/210:14:462
12608999021,9cyclictest27053-21munin-node11:49:482
12608999013,12cyclictest0-21swapper/211:25:002
1260799904,12cyclictest0-21swapper/111:59:471
1260799904,12cyclictest0-21swapper/111:59:471
1260799904,12cyclictest0-21swapper/111:24:281
1260799903,35cyclictest5233-21tr12:04:311
1260799903,17cyclictest7287-21df_abs11:19:341
1260799903,17cyclictest7287-21df_abs11:19:341
12607999010,11cyclictest25695-21sshd10:09:551
12607998941,42cyclictest0-21swapper/110:57:101
1260899883,24cyclictest0-21swapper/209:55:102
1260799889,13cyclictest0-21swapper/109:32:111
1260799885,74cyclictest0-21swapper/108:19:561
12607998841,40cyclictest0-21swapper/110:17:491
1260799884,76cyclictest0-21swapper/112:18:271
1260799884,76cyclictest0-21swapper/107:20:021
1260799884,38cyclictest0-21swapper/110:39:561
1260799884,38cyclictest0-21swapper/110:39:561
1260799884,33cyclictest0-21swapper/110:53:331
1260799883,35cyclictest16765-21needreboot10:44:451
12607998816,11cyclictest19267-21head09:59:571
12607998816,11cyclictest19267-21head09:59:571
1260899874,76cyclictest0-21swapper/209:15:182
1260899874,26cyclictest0-21swapper/210:54:032
1260899874,26cyclictest0-21swapper/210:20:512
1260899873,37cyclictest0-21swapper/212:02:572
1260899873,37cyclictest0-21swapper/212:02:572
1260899873,27cyclictest0-21swapper/211:09:352
1260899873,27cyclictest0-21swapper/210:32:502
1260899873,13cyclictest0-21swapper/207:35:042
1260799875,36cyclictest0-21swapper/109:24:491
1260799875,24cyclictest0-21swapper/109:14:361
1260799874,9cyclictest13610-21needreboot09:04:501
1260799874,31cyclictest12563-21unixbench_singl09:50:011
1260799874,23cyclictest0-21swapper/110:26:261
1260799874,22cyclictest0-21swapper/110:34:391
1260799873,19cyclictest30593-21cpu11:54:301
12607998722,14cyclictest0-21swapper/110:59:311
1260899864,40cyclictest0-21swapper/207:24:472
1260899864,26cyclictest0-21swapper/208:56:492
1260899863,75cyclictest0-21swapper/207:30:012
1260899863,27cyclictest0-21swapper/208:09:582
12608998620,8cyclictest5338-21diskmemload11:44:512
12608998617,8cyclictest21350-21ssh10:04:372
12608998617,8cyclictest21350-21ssh10:04:372
12608998611,20cyclictest107550irq/46-eth012:09:462
1260799865,25cyclictest0-21swapper/111:42:301
1260799865,22cyclictest0-21swapper/112:10:371
1260799864,28cyclictest0-21swapper/107:29:281
1260799864,13cyclictest0-21swapper/109:20:571
1260799864,13cyclictest0-21swapper/109:20:571
1260799864,12cyclictest0-21swapper/112:20:131
1260799863,22cyclictest0-21swapper/109:39:491
12607998624,9cyclictest31552-21gltestperf08:39:431
1260899854,12cyclictest0-21swapper/209:37:092
12607998528,11cyclictest23818-21cpuspeed_turbos08:24:391
12607998523,13cyclictest0-21swapper/111:46:451
12607998515,11cyclictest0-21swapper/111:29:431
1260899845,24cyclictest0-21swapper/209:41:522
1260899843,27cyclictest0-21swapper/210:44:522
1260899843,12cyclictest0-21swapper/211:34:492
1260799845,33cyclictest0-21swapper/108:57:151
1260799845,23cyclictest0-21swapper/110:21:131
1260799844,33cyclictest0-21swapper/107:44:551
1260799844,30cyclictest0-21swapper/107:11:021
1260799844,27cyclictest0-21swapper/111:34:471
1260799844,12cyclictest0-21swapper/111:14:531
1260799844,12cyclictest0-21swapper/108:44:511
1260799844,12cyclictest0-21swapper/108:44:511
1260799843,21cyclictest9039-21sh08:59:381
12607998424,10cyclictest5717-21cpuspeed_turbos10:29:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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