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2026-07-17 - 21:08

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Fri Jul 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2687921150,7sleep326874-21grep09:03:403
41599910433,64cyclictest0-21swapper/011:27:580
41599910433,64cyclictest0-21swapper/011:27:580
4159991004,88cyclictest0-21swapper/010:38:290
415999944,82cyclictest9834-21tr11:38:290
415999935,81cyclictest0-21swapper/010:48:170
415999934,35cyclictest0-21swapper/011:20:410
415999925,24cyclictest0-21swapper/008:33:410
415999924,33cyclictest0-21swapper/009:33:500
415999923,82cyclictest0-21swapper/008:58:570
415999915,32cyclictest0-21swapper/010:56:270
415999915,18cyclictest0-21swapper/008:28:440
415999905,14cyclictest0-21swapper/008:53:510
415999904,35cyclictest0-21swapper/009:58:340
415999899,73cyclictest29198-21diskmemload08:38:450
415999899,73cyclictest29198-21diskmemload08:38:450
415999895,32cyclictest5741-21diskstats10:03:370
415999895,32cyclictest5741-21diskstats10:03:370
415999894,35cyclictest0-21swapper/011:13:350
415999894,31cyclictest0-21swapper/011:30:020
415999894,26cyclictest0-21swapper/011:50:160
415999894,13cyclictest0-21swapper/010:58:350
415999894,12cyclictest0-21swapper/009:18:570
415999894,11cyclictest15239-21aten_r1power_cu08:48:340
415999893,35cyclictest0-21swapper/009:46:300
416499883,78cyclictest0-21swapper/110:03:461
416499883,78cyclictest0-21swapper/110:03:461
415999885,33cyclictest0-21swapper/011:08:090
415999884,34cyclictest0-21swapper/009:48:380
415999884,33cyclictest0-21swapper/009:57:260
415999884,32cyclictest0-21swapper/010:08:270
415999884,26cyclictest0-21swapper/011:10:480
415999883,33cyclictest0-21swapper/009:03:510
4159998811,15cyclictest26617-21ssh10:33:180
416499874,76cyclictest0-21swapper/110:38:301
4164998731,49cyclictest26218-21cpuspeed_turbos07:08:411
416499873,9cyclictest107550irq/46-eth011:38:291
416499873,77cyclictest0-21swapper/111:18:301
415999875,36cyclictest0-21swapper/009:13:420
415999874,36cyclictest0-21swapper/008:23:430
415999874,33cyclictest0-21swapper/010:22:360
415999874,32cyclictest0-21swapper/011:36:410
415999874,22cyclictest0-21swapper/011:44:420
415999874,12cyclictest11263-21kworker/0:108:44:150
415999874,12cyclictest11263-21kworker/0:108:44:150
415999874,10cyclictest29193-21idleruntime-cro08:23:230
4159998734,9cyclictest21646-21grep08:04:010
4159998734,9cyclictest21646-21grep08:04:010
4159998730,12cyclictest0-21swapper/010:34:490
4159998719,11cyclictest0-21swapper/009:33:190
416499865,27cyclictest0-21swapper/110:53:281
4164998626,53cyclictest0-21swapper/110:20:311
4164998622,12cyclictest0-21swapper/110:50:201
415999865,13cyclictest0-21swapper/008:13:240
415999864,32cyclictest0-21swapper/009:09:400
415999864,32cyclictest0-21swapper/006:23:500
415999864,13cyclictest0-21swapper/007:12:380
4159998631,12cyclictest0-21swapper/010:15:090
4159998622,9cyclictest22623-21latency_hist09:43:220
416499854,26cyclictest0-21swapper/109:44:471
415999855,35cyclictest0-21swapper/010:48:470
4159998521,8cyclictest16094-21latency_hist06:48:280
4159998516,12cyclictest0-21swapper/007:08:260
416499844,24cyclictest0-21swapper/111:06:261
416499843,29cyclictest0-21swapper/109:58:571
416499843,11cyclictest0-21swapper/109:53:311
4164998426,51cyclictest30688-21aten_r1power_cu07:18:401
4164998426,51cyclictest30688-21aten_r1power_cu07:18:401
4164998425,52cyclictest0-21swapper/111:43:401
4164998423,54cyclictest0-21swapper/111:16:521
415999844,34cyclictest0-21swapper/007:56:470
415999844,33cyclictest0-21swapper/007:33:250
415999844,33cyclictest0-21swapper/006:29:040
415999844,14cyclictest0-21swapper/010:23:440
416499833,9cyclictest1538-21munin-node09:13:381
416499833,72cyclictest0-21swapper/110:44:571
416499833,30cyclictest0-21swapper/109:23:191
416499833,28cyclictest0-21swapper/111:35:351
416499833,12cyclictest0-21swapper/108:50:581
415999835,32cyclictest0-21swapper/007:13:390
415999834,32cyclictest0-21swapper/009:23:270
416499824,71cyclictest0-21swapper/108:59:191
416499824,71cyclictest0-21swapper/108:53:291
4164998221,9cyclictest1227-21runrttasks07:42:001
4164998211,65cyclictest11272-21runrttasks08:43:181
4164998211,65cyclictest11272-21runrttasks08:43:181
4159998220,8cyclictest2915-21latency_hist07:28:270
4159998217,9cyclictest18477-21latency_hist06:53:280
416499814,70cyclictest2215-21gdm-simple-gree09:31:191
416499813,9cyclictest3466-21grep11:28:411
416499813,71cyclictest0-21swapper/107:28:271
416499813,13cyclictest13894-21runrttasks08:45:121
416499813,13cyclictest13894-21runrttasks08:45:121
4164998125,50cyclictest0-21swapper/111:08:271
416499812,27cyclictest11302-21rm09:27:061
416499812,27cyclictest1027-21rm11:25:571
416499812,27cyclictest1027-21rm11:25:571
4164998119,53cyclictest0-21swapper/110:23:331
4164998119,14cyclictest0-21swapper/109:08:361
4164998119,11cyclictest29198-21diskmemload08:33:561
416499805,69cyclictest0-21swapper/110:14:041
416499805,11cyclictest0-21swapper/110:58:431
416499804,68cyclictest0-21swapper/109:43:211
416499804,68cyclictest0-21swapper/106:23:281
416499804,12cyclictest0-21swapper/108:23:451
416499803,71cyclictest0-21swapper/110:32:401
416499803,27cyclictest18842-21rm09:37:561
416499803,12cyclictest0-21swapper/109:49:181
4164998027,47cyclictest1227-21runrttasks08:03:401
4164998027,47cyclictest1227-21runrttasks08:03:401
4164998023,49cyclictest0-21swapper/111:48:551
4164998021,10cyclictest15318-21cpuspeed07:53:391
415999805,32cyclictest0-21swapper/006:38:450
415999804,33cyclictest0-21swapper/007:48:450
415999804,32cyclictest0-21swapper/007:23:260
415999804,32cyclictest0-21swapper/007:23:260
4164997924,9cyclictest27160-21iostat_ios09:03:451
4164997920,9cyclictest1227-21runrttasks08:08:361
416499783,27cyclictest0-21swapper/110:08:381
4164997825,9cyclictest7080-21cpuspeed_turbos06:28:421
4164997822,8cyclictest1227-21runrttasks06:54:481
4164997821,8cyclictest1227-21runrttasks07:02:011
416499782,27cyclictest30456-21ssh10:38:191
416499775,14cyclictest0-21swapper/108:32:231
416499774,30cyclictest0-21swapper/106:43:061
416499774,30cyclictest0-21swapper/106:23:391
416499774,12cyclictest0-21swapper/107:43:391
416499773,27cyclictest4037-21which07:28:471
4164997723,8cyclictest13624-21hwlatdetect07:48:451
4164997722,8cyclictest1227-21runrttasks06:34:571
4164997721,8cyclictest29921-21unixbench-2d07:14:011
4164997721,8cyclictest1227-21runrttasks07:06:411
4164997720,9cyclictest17980-21df_abs07:58:391
4164997719,8cyclictest27732-21fschecks_time08:18:431
415999774,32cyclictest0-21swapper/007:58:420
416499764,11cyclictest0-21swapper/107:38:261
4164997622,10cyclictest24683-21aten_r1power_en08:13:341
4164997524,8cyclictest1227-21runrttasks06:44:121
416499744,32cyclictest0-21swapper/106:53:281
416799644,44cyclictest0-21swapper/311:04:303
156832644,12sleep30-21swapper/307:53:433
213202633,12sleep20-21swapper/208:03:582
213202633,12sleep20-21swapper/208:03:582
4166996218,24cyclictest646-21tail07:23:362
4166996021,23cyclictest13318-21munin-node09:28:492
299892603,11sleep20-21swapper/210:37:332
126772603,13sleep20-21swapper/206:38:542
4167995913,21cyclictest0-21swapper/306:43:403
416699582,42cyclictest0-21swapper/209:17:592
4167995740,10cyclictest10396-21cut11:38:353
416699574,37cyclictest0-21swapper/208:41:342
416699574,37cyclictest0-21swapper/208:41:342
416699574,22cyclictest0-21swapper/209:52:092
416699572,38cyclictest12243-21ssh10:57:352
4166995713,13cyclictest0-21swapper/210:43:492
293952574,11sleep30-21swapper/310:35:443
416799562,42cyclictest0-21swapper/309:25:343
416699563,21cyclictest0-21swapper/211:13:502
4166995622,20cyclictest0-21swapper/209:26:532
416799555,34cyclictest0-21swapper/308:55:193
4167995539,10cyclictest31057-21gltestperf09:53:393
416699554,34cyclictest0-21swapper/208:23:332
416699554,33cyclictest0-21swapper/211:51:432
416699554,27cyclictest0-21swapper/208:50:012
4166995521,13cyclictest0-21swapper/209:35:212
16952553,46sleep20-21swapper/211:27:562
16952553,46sleep20-21swapper/211:27:562
152472553,46sleep30-21swapper/310:16:503
416799545,32cyclictest0-21swapper/310:05:493
416799545,32cyclictest0-21swapper/310:05:493
416799544,34cyclictest0-21swapper/308:25:083
4167995437,11cyclictest1843-21grep09:13:413
4167995435,11cyclictest23134-21sed08:08:453
4167995424,13cyclictest0-21swapper/309:52:373
416699544,28cyclictest0-21swapper/209:18:482
416699543,44cyclictest0-21swapper/210:03:332
416699543,44cyclictest0-21swapper/210:03:332
4166995415,22cyclictest12329-21fschecks_time08:43:412
4166995415,22cyclictest12329-21fschecks_time08:43:412
416799538,29cyclictest0-21swapper/309:08:343
416799535,31cyclictest0-21swapper/311:48:453
416799535,13cyclictest0-21swapper/307:32:413
416799534,33cyclictest0-21swapper/308:43:393
416799534,33cyclictest0-21swapper/308:43:393
416799534,30cyclictest0-21swapper/307:03:473
416799534,29cyclictest0-21swapper/308:03:483
416799534,29cyclictest0-21swapper/308:03:483
4167995314,9cyclictest30607-21aten_r1power_fr10:38:303
4167995310,37cyclictest0-21swapper/310:53:333
416699534,30cyclictest0-21swapper/207:48:572
416699534,29cyclictest0-21swapper/211:28:302
416699534,28cyclictest0-21swapper/211:08:462
416699534,23cyclictest1071-21munin-run09:58:192
416699533,25cyclictest0-21swapper/207:05:572
308322534,41sleep30-21swapper/311:23:213
308322534,41sleep30-21swapper/311:23:213
275482533,9sleep327658-21users07:09:023
205752532,10sleep30-21swapper/306:54:473
416799529,24cyclictest0-21swapper/310:18:323
416799525,14cyclictest0-21swapper/311:43:273
416799525,14cyclictest0-21swapper/310:44:513
416799525,14cyclictest0-21swapper/310:23:383
416799525,14cyclictest0-21swapper/310:00:093
416799524,32cyclictest0-21swapper/308:41:163
416799524,32cyclictest0-21swapper/308:41:163
416799524,29cyclictest0-21swapper/310:28:383
416799524,25cyclictest0-21swapper/310:12:533
416799524,22cyclictest0-21swapper/309:38:463
416799523,43cyclictest1227-21runrttasks07:41:373
4167995210,24cyclictest0-21swapper/311:13:293
416699524,28cyclictest0-21swapper/210:08:432
416699524,28cyclictest0-21swapper/208:33:372
416699524,27cyclictest0-21swapper/210:20:362
416699524,27cyclictest0-21swapper/208:18:252
416699524,25cyclictest0-21swapper/211:38:002
416699524,12cyclictest0-21swapper/208:28:362
416699523,24cyclictest16742-21yum-updatesd-he11:03:422
416699523,20cyclictest0-21swapper/207:53:412
4166995221,13cyclictest0-21swapper/210:23:442
4166995220,13cyclictest0-21swapper/211:19:112
4166995220,12cyclictest0-21swapper/209:43:352
249942522,9sleep30-21swapper/309:44:333
416799519,25cyclictest0-21swapper/309:32:203
416799515,28cyclictest0-21swapper/311:18:333
416799515,28cyclictest0-21swapper/309:33:413
416799515,28cyclictest0-21swapper/307:14:023
416799515,28cyclictest0-21swapper/306:24:053
416799515,13cyclictest0-21swapper/311:30:353
416799514,29cyclictest0-21swapper/311:08:343
416799514,29cyclictest0-21swapper/308:13:473
4167995121,13cyclictest0-21swapper/308:58:563
4167995119,14cyclictest0-21swapper/307:48:493
416699516,24cyclictest0-21swapper/209:03:562
416699514,32cyclictest0-21swapper/209:59:102
416699514,29cyclictest0-21swapper/210:48:302
416699514,29cyclictest0-21swapper/210:13:422
416699514,28cyclictest0-21swapper/210:58:302
416699514,28cyclictest0-21swapper/210:28:472
416699514,28cyclictest0-21swapper/207:19:022
416699514,28cyclictest0-21swapper/207:19:022
416699514,27cyclictest0-21swapper/210:38:422
416699514,27cyclictest0-21swapper/206:58:572
416699514,26cyclictest0-21swapper/211:43:312
4166995134,10cyclictest19158-21taskset07:58:572
4166995120,13cyclictest0-21swapper/211:39:592
4166995120,13cyclictest0-21swapper/208:08:462
193492512,10sleep30-21swapper/307:59:523
183312513,11sleep30-21swapper/306:51:403
416799505,27cyclictest0-21swapper/308:18:583
416799505,13cyclictest0-21swapper/308:28:333
416799504,28cyclictest0-21swapper/311:33:413
416799504,28cyclictest0-21swapper/307:43:433
416799504,28cyclictest0-21swapper/307:23:423
416799504,28cyclictest0-21swapper/306:29:033
416799504,27cyclictest0-21swapper/310:53:183
416799504,27cyclictest0-21swapper/308:33:463
416799504,13cyclictest0-21swapper/310:59:353
4167995021,10cyclictest15253-21ssh08:48:343
416699504,28cyclictest0-21swapper/208:58:352
416699504,28cyclictest0-21swapper/208:18:412
416699504,28cyclictest0-21swapper/207:34:012
416699504,28cyclictest0-21swapper/206:53:442
416699504,27cyclictest0-21swapper/209:38:362
416699504,27cyclictest0-21swapper/208:54:532
416699504,27cyclictest0-21swapper/207:44:042
416699504,27cyclictest0-21swapper/207:28:392
416699504,27cyclictest0-21swapper/207:09:032
416699504,27cyclictest0-21swapper/206:28:282
416699504,12cyclictest0-21swapper/209:08:562
416799494,27cyclictest0-21swapper/309:20:043
416799494,27cyclictest0-21swapper/306:39:023
416799494,27cyclictest0-21swapper/306:33:583
416699494,27cyclictest0-21swapper/207:38:412
416699494,27cyclictest0-21swapper/206:43:432
4159994919,9cyclictest23250-21latency_hist07:03:260
38152494,37sleep00-21swapper/006:19:220
416799484,28cyclictest0-21swapper/307:38:263
416699484,26cyclictest0-21swapper/207:17:382
416699484,26cyclictest0-21swapper/206:28:522
4166994830,11cyclictest11315-21crond06:38:272
4159994722,11cyclictest0-21swapper/007:33:420
416799467,23cyclictest37-21ksoftirqd/306:58:443
416699463,26cyclictest0-21swapper/206:48:482
122272467,34sleep00-21swapper/007:45:180
109892463,37sleep00-21swapper/006:34:160
4159994518,12cyclictest0-21swapper/007:38:360
416799444,13cyclictest0-21swapper/307:18:573
416799444,13cyclictest0-21swapper/307:18:573
415999434,10cyclictest0-21swapper/008:13:480
415999414,12cyclictest19311-21grep06:53:450
416799408,21cyclictest0-21swapper/306:23:293
416699382,23cyclictest0-21swapper/206:23:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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