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2026-07-19 - 16:39

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Sun Jul 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991190,11rtkit-daemon18-21rcuc/107:16:023
2194991140,8rtkit-daemon0-21swapper/106:24:341
186721010,13sleep0819099cyclictest09:51:400
8193991006,38cyclictest0-21swapper/210:46:422
219499990,4rtkit-daemon2193-21rtkit-daemon07:19:471
8193999626,10cyclictest27193-21ssh11:10:532
8194999534,41cyclictest24183-21ssh08:51:573
8193999420,12cyclictest0-21swapper/210:42:102
819099944,39cyclictest0-21swapper/008:42:010
819399913,41cyclictest0-21swapper/211:21:462
8193999125,25cyclictest0-21swapper/209:07:012
819399904,40cyclictest0-21swapper/208:02:042
8193999016,12cyclictest0-21swapper/211:04:552
8194998927,55cyclictest9047-21expr09:16:423
819399895,25cyclictest0-21swapper/210:16:492
819399894,15cyclictest0-21swapper/209:06:082
819399885,27cyclictest0-21swapper/210:13:412
819399885,27cyclictest0-21swapper/210:13:412
819399884,46cyclictest0-21swapper/211:26:542
819399884,46cyclictest0-21swapper/211:26:542
819499864,73cyclictest0-21swapper/309:28:103
819499864,73cyclictest0-21swapper/309:28:103
8194998632,48cyclictest0-21swapper/310:17:003
819399866,13cyclictest0-21swapper/211:11:522
819399864,40cyclictest0-21swapper/210:56:442
819399863,43cyclictest0-21swapper/211:16:432
8193998622,22cyclictest0-21swapper/211:36:402
819499854,73cyclictest0-21swapper/311:35:463
819499853,33cyclictest0-21swapper/309:34:453
819499853,33cyclictest0-21swapper/309:34:453
819499853,33cyclictest0-21swapper/308:57:083
8194998528,50cyclictest17822-21munin-node10:11:553
8194998528,50cyclictest17822-21munin-node10:11:553
819399855,27cyclictest0-21swapper/208:07:062
819399854,41cyclictest0-21swapper/206:46:492
8193998522,14cyclictest0-21swapper/210:10:012
819499843,73cyclictest0-21swapper/308:45:023
8194998423,9cyclictest24043-21fschecks_time09:36:473
819399845,27cyclictest0-21swapper/209:40:362
819499833,30cyclictest0-21swapper/310:22:363
8194998313,7cyclictest0-21swapper/310:42:003
819399835,27cyclictest0-21swapper/208:39:502
819399832,48cyclictest0-21swapper/209:44:172
262072830,4sleep18182-21cyclictest08:06:321
819499823,29cyclictest0-21swapper/311:49:583
819499823,12cyclictest0-21swapper/310:02:043
8194998224,9cyclictest19835-21ssh08:46:503
8194998224,9cyclictest19835-21ssh08:46:503
819399822,48cyclictest0-21swapper/209:30:512
819399822,48cyclictest0-21swapper/209:30:512
819399822,46cyclictest0-21swapper/209:00:002
8193998219,13cyclictest0-21swapper/207:36:452
819499814,14cyclictest21051-21yum-updatesd-he11:01:443
819499813,32cyclictest0-21swapper/308:22:013
819499813,31cyclictest0-21swapper/311:08:563
8194998123,8cyclictest31895-21unixbench_singl09:02:023
8194998121,8cyclictest27894-21fschecks_count10:26:433
819499812,73cyclictest0-21swapper/311:11:353
8194998119,13cyclictest0-21swapper/310:56:393
8193998125,12cyclictest0-21swapper/209:21:012
819399812,48cyclictest0-21swapper/208:33:572
819499803,69cyclictest0-21swapper/309:52:223
819499803,31cyclictest0-21swapper/307:06:333
819499803,28cyclictest2284-21aten_r1power_en10:36:373
8194998024,48cyclictest0-21swapper/308:33:033
8194998019,13cyclictest0-21swapper/308:31:303
819399802,46cyclictest0-21swapper/209:13:402
819499794,68cyclictest0-21swapper/311:26:293
819499794,68cyclictest0-21swapper/311:26:293
8194997934,41cyclictest0-21swapper/309:25:243
819499793,24cyclictest14244-21fschecks_count11:36:413
8194997924,9cyclictest2298-21gltestperf09:06:493
8194997921,10cyclictest19979-21gltestperf07:51:523
819399795,27cyclictest0-21swapper/211:46:592
819399794,39cyclictest16385-21grep08:41:502
819499783,67cyclictest0-21swapper/311:16:403
8194997822,8cyclictest3439-21kernelversion07:16:583
8194997819,11cyclictest0-21swapper/310:51:543
819399785,22cyclictest307612grep07:06:542
819499774,26cyclictest15255-21munin-run08:41:303
8194997725,9cyclictest31999-21python09:46:573
8194997723,8cyclictest19441-21sed06:42:083
8194997723,8cyclictest19441-21sed06:42:083
8194997720,9cyclictest27646-21fschecks_time09:41:483
8194997718,12cyclictest0-21swapper/309:12:103
819499763,26cyclictest19206-21rm11:42:213
8194997624,9cyclictest13039-21cpuspeed_turbos10:06:413
8194997621,9cyclictest22307-21gltestperf07:56:513
8194997621,10cyclictest9683-21cpu10:46:363
8194997620,9cyclictest31631-21unixbench_singl07:07:083
8194997620,9cyclictest16767-21needreboot06:36:593
264402760,5sleep10-21swapper/110:24:481
819499754,13cyclictest0-21swapper/306:51:493
8194997522,9cyclictest12572-21fschecks_count07:36:513
8194997520,8cyclictest7691-21df_abs07:26:473
819499752,31cyclictest0-21swapper/309:56:453
819499752,30cyclictest0-21swapper/306:26:493
819399752,44cyclictest0-21swapper/210:53:072
819499743,29cyclictest0-21swapper/311:24:173
819499743,14cyclictest0-21swapper/310:34:273
819499734,33cyclictest0-21swapper/308:08:163
8194997321,8cyclictest18402-21unixbench_multi07:47:043
8194997320,9cyclictest25926-21gltestperf06:56:543
8194997319,12cyclictest0-21swapper/308:01:503
8194997221,9cyclictest9591-21aten_r1power_en07:31:433
8194997220,9cyclictest31859-21gltestperf08:16:513
819499713,29cyclictest0-21swapper/306:31:483
8194997118,9cyclictest20660-21cpuspeed_turbos06:46:483
8194997025,9cyclictest14972-21fschecks_count07:41:503
8194997022,8cyclictest5895-21cat07:21:573
8194997022,8cyclictest5895-21cat07:21:573
8194996823,9cyclictest29222-21entropy08:11:483
8194996820,9cyclictest9088-21fschecks_count06:21:543
819099674,55cyclictest24901-21cut11:06:430
8190996448,9cyclictest0-21swapper/006:21:350
34392643,53sleep10-21swapper/109:07:321
819099636,40cyclictest0-21swapper/011:49:330
819299624,33cyclictest0-21swapper/110:01:531
819299624,31cyclictest0-21swapper/111:41:411
819299624,30cyclictest0-21swapper/109:01:591
819299624,29cyclictest0-21swapper/111:01:591
819299623,44cyclictest0-21swapper/111:12:411
819099624,51cyclictest0-21swapper/009:43:020
819099623,50cyclictest0-21swapper/009:36:530
819299614,29cyclictest14643-21sshd10:51:541
819299614,28cyclictest1227-21runrttasks08:34:451
819299614,20cyclictest0-21swapper/110:15:351
819299614,20cyclictest0-21swapper/110:15:351
8192996120,14cyclictest0-21swapper/108:41:051
819299606,30cyclictest0-21swapper/107:06:331
819299603,38cyclictest0-21swapper/111:07:301
8192996016,25cyclictest32078-21fschecks_time11:16:421
819099604,48cyclictest17225-21grep10:11:450
819099604,48cyclictest17225-21grep10:11:450
819099603,51cyclictest0-21swapper/009:06:460
819099603,49cyclictest0-21swapper/011:27:000
819099603,49cyclictest0-21swapper/011:27:000
196292609,44sleep00-21swapper/011:43:400
819299595,29cyclictest8551-21sort09:16:291
819299595,28cyclictest0-21swapper/108:42:011
819299594,29cyclictest0-21swapper/109:26:421
819299594,29cyclictest0-21swapper/109:26:421
8192995924,14cyclictest0-21swapper/110:56:501
8192995923,10cyclictest31336-21ssh10:31:411
8192995921,13cyclictest0-21swapper/109:41:591
8192995918,11cyclictest6387-21df_abs10:41:411
8192995910,16cyclictest7014-1kworker/1:2H09:21:281
819099594,7cyclictest4038-21ssh11:21:520
323622593,48sleep00-21swapper/008:17:000
819299584,36cyclictest0-21swapper/111:31:301
819299584,28cyclictest0-21swapper/110:16:411
8192995821,12cyclictest0-21swapper/110:36:381
8192995819,12cyclictest0-21swapper/110:26:491
8192995811,26cyclictest0-21swapper/107:46:431
819099583,48cyclictest0-21swapper/008:46:490
819099583,48cyclictest0-21swapper/008:46:490
8190995821,23cyclictest12880-21kworker/0:110:40:440
819399574,13cyclictest0-21swapper/210:31:562
819399573,47cyclictest0-21swapper/209:21:562
819299575,31cyclictest0-21swapper/108:16:591
819299575,28cyclictest0-21swapper/109:46:421
819299575,27cyclictest0-21swapper/110:46:401
819299575,15cyclictest0-21swapper/111:37:581
819299574,29cyclictest0-21swapper/109:31:561
819299574,29cyclictest0-21swapper/109:31:561
819299574,29cyclictest0-21swapper/108:47:001
819299574,29cyclictest0-21swapper/108:47:001
819299574,27cyclictest12216-21fgrep06:27:061
819299574,27cyclictest0-21swapper/109:36:451
819299574,26cyclictest0-21swapper/109:56:571
819299574,26cyclictest0-21swapper/108:52:551
819299573,26cyclictest0-21swapper/110:06:381
819299573,26cyclictest0-21swapper/106:56:591
8192995717,25cyclictest107550irq/46-eth011:26:401
8192995717,25cyclictest107550irq/46-eth011:26:401
8192995717,10cyclictest8637-21wc07:27:021
8192995716,12cyclictest0-21swapper/108:29:551
8192995715,18cyclictest0-21swapper/111:21:501
819099578,7cyclictest0-21swapper/009:47:160
819099574,46cyclictest0-21swapper/010:31:530
8193995623,15cyclictest0-21swapper/206:41:342
819399562,49cyclictest0-21swapper/210:23:552
819299564,29cyclictest0-21swapper/111:46:451
819299564,27cyclictest0-21swapper/107:06:521
819299564,26cyclictest0-21swapper/107:22:021
819299564,26cyclictest0-21swapper/107:22:021
8192995621,10cyclictest0-21swapper/108:22:441
8192995620,14cyclictest0-21swapper/108:11:531
8192995620,10cyclictest27754-21ntp_kernel_pll_08:56:581
819099563,46cyclictest0-21swapper/010:41:480
819099563,45cyclictest0-21swapper/010:57:410
8190995610,26cyclictest0-21swapper/009:35:200
8190995610,26cyclictest0-21swapper/009:35:200
819399554,25cyclictest0-21swapper/208:26:452
819399552,48cyclictest0-21swapper/210:41:242
819399552,48cyclictest0-21swapper/210:05:522
8193995519,30cyclictest23655-21gltestperf08:51:482
819299554,29cyclictest0-21swapper/109:51:411
819299554,27cyclictest0-21swapper/107:56:481
819299554,26cyclictest0-21swapper/109:21:391
819299554,25cyclictest0-21swapper/106:50:431
819299553,27cyclictest0-21swapper/106:31:581
8192995521,13cyclictest0-21swapper/108:06:521
8192995518,13cyclictest0-21swapper/107:12:001
8192995516,12cyclictest0-21swapper/106:42:071
8192995516,12cyclictest0-21swapper/106:42:071
819099556,12cyclictest0-21swapper/010:06:390
819099554,44cyclictest9861-21yum-updatesd-he10:01:490
819099554,26cyclictest0-21swapper/009:29:480
819099554,26cyclictest0-21swapper/009:29:480
8190995520,14cyclictest0-21swapper/008:56:530
819399544,44cyclictest0-21swapper/207:52:062
8193995427,11cyclictest0-21swapper/209:36:282
8193995427,11cyclictest0-21swapper/209:36:282
8193995424,15cyclictest0-21swapper/209:52:172
819399542,47cyclictest0-21swapper/209:48:032
819299548,22cyclictest0-21swapper/107:55:391
819299545,28cyclictest0-21swapper/107:46:321
819299544,28cyclictest0-21swapper/106:36:481
819299544,25cyclictest0-21swapper/107:40:531
8192995417,13cyclictest0-21swapper/107:31:561
8192995416,11cyclictest0-21swapper/106:21:361
819099544,44cyclictest0-21swapper/009:24:480
819099543,9cyclictest16255-21runrttasks11:39:230
819099543,46cyclictest0-21swapper/009:18:260
8190995426,11cyclictest1124-21snmpd10:51:250
236922543,43sleep10-21swapper/106:51:561
819399535,27cyclictest0-21swapper/208:21:502
819399535,13cyclictest0-21swapper/209:57:392
8193995323,14cyclictest0-21swapper/211:31:352
8190995319,12cyclictest0-21swapper/007:52:040
8190995314,33cyclictest0-21swapper/011:11:580
75592536,40sleep00-21swapper/009:57:420
223832532,9sleep00-21swapper/010:18:300
819399523,24cyclictest19232-21ssh08:46:432
819399523,24cyclictest19232-21ssh08:46:432
8193995223,12cyclictest0-21swapper/207:16:482
819099524,24cyclictest10781-21grep11:31:420
8190995234,10cyclictest10076-21sed06:22:090
819099523,10cyclictest0-21swapper/010:26:500
8190995223,9cyclictest30966-21yum-updatesd-he09:01:570
8190995222,13cyclictest0-21swapper/008:07:000
8190995210,14cyclictest0-21swapper/008:36:410
19082522,43sleep00-21swapper/007:14:570
819399515,40cyclictest0-21swapper/207:31:552
819099519,26cyclictest0-21swapper/009:13:190
819099515,14cyclictest0-21swapper/008:24:320
819099514,30cyclictest0-21swapper/008:01:410
819099513,43cyclictest0-21swapper/008:54:360
819099513,42cyclictest0-21swapper/008:28:330
227142512,42sleep00-21swapper/006:51:390
164322512,43sleep00-21swapper/010:56:150
819399505,28cyclictest0-21swapper/211:41:542
819399504,40cyclictest0-21swapper/208:01:322
819399503,41cyclictest0-21swapper/207:01:492
8193995021,9cyclictest6931-21latency_hist07:26:342
819099509,22cyclictest21051-21yum-updatesd-he11:01:590
819099504,14cyclictest0-21swapper/011:18:260
819099503,42cyclictest0-21swapper/007:57:000
8190995022,9cyclictest9270-21if_eth008:31:510
8190995020,13cyclictest0-21swapper/010:21:470
305212504,9sleep00-21swapper/008:12:490
270992503,9sleep00-21swapper/006:59:370
152192502,42sleep00-21swapper/006:35:110
819399493,41cyclictest0-21swapper/210:29:462
8193994923,12cyclictest31170-21tail08:16:432
8190994934,9cyclictest2545-21head07:16:470
8190994933,9cyclictest9649-21aten_r1power_fr07:31:440
8190994933,10cyclictest13152-21head07:36:590
819099493,40cyclictest28215-21yum-updatesd-he07:02:020
819099493,40cyclictest0-21swapper/006:36:450
8190994917,10cyclictest4874-21telnet07:21:450
8190994917,10cyclictest4874-21telnet07:21:450
224772495,9sleep00-21swapper/006:51:310
819399485,27cyclictest0-21swapper/208:15:222
819399485,27cyclictest0-21swapper/206:31:522
819399484,39cyclictest0-21swapper/206:21:502
819399482,40cyclictest0-21swapper/206:51:472
8193994816,15cyclictest0-21swapper/207:11:532
8190994833,9cyclictest10852-21head06:26:470
91112472,39sleep00-21swapper/007:28:560
819399462,39cyclictest0-21swapper/207:42:012
819099463,38cyclictest0-21swapper/007:44:260
819099463,26cyclictest0-21swapper/007:07:060
819399454,26cyclictest0-21swapper/207:48:122
819399454,26cyclictest0-21swapper/206:56:522
819399452,38cyclictest0-21swapper/207:21:552
8190994523,8cyclictest16741-21telnet07:46:420
819399444,23cyclictest0-21swapper/206:42:072
819399444,23cyclictest0-21swapper/206:42:072
8190994428,10cyclictest18727-21tune2fs06:41:550
8190994428,10cyclictest18727-21tune2fs06:41:550
92432432,10sleep20-21swapper/207:30:392
8193994320,10cyclictest10916-21aten2.4-expect06:26:482
78862384,28sleep20-21swapper/206:18:052
8194993623,8cyclictest8167-21latency_hist06:21:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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