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2026-09-05 - 13:48

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 highest latencies:
System rack1slot6s.osadl.org (updated Sat Sep 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3216921180,3sleep232172-21cpuspeed_turbos06:16:392
3216921180,3sleep232172-21cpuspeed_turbos06:16:392
1250199964,42cyclictest0-21swapper/211:00:342
12502999314,8cyclictest0-21swapper/308:31:553
12501999317,12cyclictest0-21swapper/207:41:372
12502999031,13cyclictest0-21swapper/308:03:523
12502998720,8cyclictest16346-21fschecks_count07:51:423
1250199864,13cyclictest25242-21runrttasks08:05:312
12502998530,18cyclictest14812-21cat11:06:163
1250199845,35cyclictest0-21swapper/207:56:392
1250199834,25cyclictest0-21swapper/208:41:502
12502998145,31cyclictest0-21swapper/310:19:133
12502998145,31cyclictest0-21swapper/310:19:133
1250199804,42cyclictest21022-21munin-node07:01:372
12500996725,26cyclictest7307-21ssh10:53:121
219499650,5rtkit-daemon24152-21taskset05:58:071
219499650,5rtkit-daemon107550irq/46-eth005:36:531
37682644,13sleep00-21swapper/009:59:330
101412644,12sleep00-21swapper/006:36:500
185722623,12sleep00-21swapper/008:42:460
12500996232,9cyclictest107550irq/46-eth010:31:171
79342603,50sleep10-21swapper/108:26:511
220622604,12sleep00-21swapper/008:01:020
219499600,7rtkit-daemon0-21swapper/110:59:250
12500996034,10cyclictest16706-21ssh10:18:401
12500996034,10cyclictest16706-21ssh10:18:401
12500995933,8cyclictest9536-21ssh09:18:451
12500995835,9cyclictest27127-21telnet06:06:411
12500995832,7cyclictest23481-21ssh09:41:191
12500995832,7cyclictest23481-21ssh09:41:191
1249899587,26cyclictest0-21swapper/007:43:260
12498995819,32cyclictest14883-21sh07:49:400
120302583,12sleep00-21swapper/009:21:520
290162576,11sleep10-21swapper/109:47:451
1250199575,45cyclictest0-21swapper/208:26:542
1249899574,26cyclictest0-21swapper/010:26:330
294102564,11sleep00-21swapper/010:36:580
258202563,9sleep125903-21telnet08:06:351
247762564,45sleep00-21swapper/008:03:440
140442563,9sleep00-21swapper/010:16:100
1250299565,45cyclictest17946-21gltestperf09:31:393
1249899564,46cyclictest0-21swapper/010:06:330
219499550,5rtkit-daemon2193-21rtkit-daemon06:06:593
219499550,4rtkit-daemon1227-21runrttasks07:07:271
12500995531,9cyclictest9536-21ssh10:56:411
12500995530,9cyclictest1124-21snmpd10:36:181
1249899555,27cyclictest0-21swapper/008:31:550
1249899554,13cyclictest0-21swapper/010:41:500
98362543,44sleep10-21swapper/110:07:331
6692543,44sleep00-21swapper/009:55:590
318282543,9sleep00-21swapper/008:15:370
12501995436,13cyclictest0-21swapper/208:11:052
12501995418,8cyclictest18906-21cpuspeed_turbos06:56:402
12500995437,9cyclictest32587-21unixbench_multi10:41:501
12500995433,7cyclictest17648-21kworker/1:108:01:031
12500995432,7cyclictest5229-21diskmemload09:54:511
12500995429,9cyclictest26072-21sed10:31:521
37602533,10sleep00-21swapper/006:22:390
253412533,9sleep00-21swapper/007:08:380
1250299534,41cyclictest28405-21cpuspeed07:16:393
1250199537,14cyclictest0-21swapper/210:21:282
12501995339,8cyclictest28381-21gltestperf10:36:382
12501995338,10cyclictest0-21swapper/206:21:502
12501995336,12cyclictest0-21swapper/210:41:432
12501995335,12cyclictest0-21swapper/210:46:482
12501995335,12cyclictest0-21swapper/209:21:312
12501995334,13cyclictest0-21swapper/208:54:202
1250199533,43cyclictest0-21swapper/211:05:182
1250099535,30cyclictest0-21swapper/107:41:241
12500995330,8cyclictest1124-21snmpd06:20:311
12500995330,8cyclictest1124-21snmpd06:20:311
1250099533,44cyclictest11005-21ssh07:42:591
12500995329,8cyclictest5229-21diskmemload08:01:331
12500995329,8cyclictest3886-21munin-node09:11:501
12500995329,10cyclictest17119-21telnet09:31:311
1249899534,9cyclictest0-21swapper/008:20:470
12498995317,13cyclictest0-21swapper/009:11:360
12498995310,12cyclictest0-21swapper/010:55:370
96372523,9sleep00-21swapper/009:19:100
90222523,42sleep39162-21cpuspeed_turbos07:41:383
65362522,9sleep30-21swapper/310:02:313
46972522,10sleep10-21swapper/110:50:501
296372523,9sleep00-21swapper/009:50:100
185752523,42sleep00-21swapper/009:31:520
15062523,10sleep00-21swapper/006:21:050
15062523,10sleep00-21swapper/006:21:050
12502995233,13cyclictest0-21swapper/308:46:513
1250199524,41cyclictest0-21swapper/210:01:442
1250199524,41cyclictest0-21swapper/208:46:402
12501995237,10cyclictest0-21swapper/208:31:362
12501995237,10cyclictest0-21swapper/207:51:462
12501995234,13cyclictest0-21swapper/209:17:252
12501995233,13cyclictest0-21swapper/205:57:002
1250199523,43cyclictest0-21swapper/208:18:572
12501995219,9cyclictest24527-21sed09:41:392
12500995228,8cyclictest5229-21diskmemload08:31:541
12500995222,24cyclictest201ktimersoftd/106:51:561
12500995221,15cyclictest0-21swapper/109:56:491
12500995221,15cyclictest0-21swapper/109:22:361
12500995218,21cyclictest19979-21cpu08:46:341
12500995215,25cyclictest0-21swapper/108:25:501
1249899524,13cyclictest0-21swapper/007:51:400
12498995236,9cyclictest14973-21grep08:36:580
12498995236,9cyclictest12323-21cut06:41:430
1249899522,13cyclictest28882-21ssh08:11:230
48002513,9sleep00-21swapper/010:51:130
143672513,9sleep00-21swapper/011:05:040
125302513,7sleep112571-21sensors_temp10:11:481
12502995137,9cyclictest0-21swapper/309:21:323
1250199515,39cyclictest16590-21kworker/2:010:32:152
1250199514,40cyclictest0-21swapper/207:36:572
12501995137,10cyclictest0-21swapper/205:38:572
12501995135,11cyclictest0-21swapper/208:21:552
12501995135,11cyclictest0-21swapper/206:46:502
12501995134,11cyclictest0-21swapper/209:04:002
1250199513,34cyclictest0-21swapper/205:46:292
1250199513,21cyclictest0-21swapper/209:54:092
12501995120,8cyclictest23956-21latency_hist10:31:182
1250199512,44cyclictest0-21swapper/208:36:462
12500995135,10cyclictest24530-21head09:41:391
12500995132,7cyclictest5229-21diskmemload08:52:271
12500995132,7cyclictest5229-21diskmemload08:17:151
12500995129,9cyclictest1562-21irqstats09:06:451
12500995129,8cyclictest12125-21ssh11:01:321
12500995126,8cyclictest29504-21ssh09:01:211
12500995126,8cyclictest29504-21ssh09:01:211
12500995123,13cyclictest0-21swapper/110:21:351
12500995123,13cyclictest0-21swapper/108:41:201
12500995123,12cyclictest0-21swapper/107:46:361
1249899515,15cyclictest0-21swapper/008:56:380
1249899515,15cyclictest0-21swapper/008:56:380
1249899514,27cyclictest6977-21tr08:26:360
1249899514,14cyclictest0-21swapper/010:16:480
1249899514,14cyclictest0-21swapper/010:16:480
1249899513,11cyclictest0-21swapper/009:26:420
12498995122,11cyclictest0-21swapper/008:46:420
61332503,41sleep00-21swapper/006:27:220
307422503,7sleep130830-21rt-features06:11:591
295782503,41sleep00-21swapper/009:01:240
278682502,41sleep10-21swapper/107:15:281
207332503,9sleep00-21swapper/007:00:480
130502502,9sleep20-21swapper/210:12:172
1250299504,40cyclictest0-21swapper/310:49:123
1250299504,38cyclictest5229-21diskmemload10:12:023
1250299504,38cyclictest27139-21ssh08:06:513
12502995035,10cyclictest0-21swapper/308:26:443
12502995031,13cyclictest0-21swapper/305:46:293
1250299503,40cyclictest14326-21ssh08:36:483
1250199504,39cyclictest0-21swapper/210:16:312
1250199504,39cyclictest0-21swapper/210:16:312
1250199504,39cyclictest0-21swapper/209:31:352
12501995036,7cyclictest5856-21ssh10:51:342
12501995035,10cyclictest0-21swapper/209:41:192
12501995035,10cyclictest0-21swapper/209:41:192
12501995035,10cyclictest0-21swapper/209:11:312
12501995033,11cyclictest0-21swapper/210:09:282
12501995030,13cyclictest0-21swapper/209:11:172
1250199503,40cyclictest0-21swapper/209:58:262
1250199503,38cyclictest0-21swapper/209:26:322
12500995035,9cyclictest1226-21fschecks_time07:26:431
12500995031,7cyclictest5229-21diskmemload09:03:121
1250099503,26cyclictest0-21swapper/110:01:341
12500995019,13cyclictest0-21swapper/108:41:551
12500995010,34cyclictest0-21swapper/105:46:281
1249899505,26cyclictest0-21swapper/010:33:170
1249899505,26cyclictest0-21swapper/009:09:580
1249899504,9cyclictest4196-21sed08:21:430
1249899504,26cyclictest0-21swapper/009:41:310
1249899504,12cyclictest0-21swapper/010:21:290
1249899503,39cyclictest0-21swapper/009:38:490
1249899503,39cyclictest0-21swapper/009:38:490
12498995022,12cyclictest0-21swapper/005:41:390
12498995019,12cyclictest0-21swapper/007:38:530
79412493,8sleep37946-21ssh07:39:203
49902492,9sleep30-21swapper/307:33:243
214002495,37sleep20-21swapper/205:52:012
1250299494,39cyclictest0-21swapper/310:35:293
1250299494,39cyclictest0-21swapper/307:46:393
12502994935,9cyclictest0-21swapper/306:41:363
12502994935,8cyclictest16554-21cpuspeed_turbos06:51:413
12502994934,10cyclictest0-21swapper/310:26:353
12502994931,12cyclictest0-21swapper/309:56:503
12502994931,12cyclictest0-21swapper/309:09:213
12502994931,12cyclictest0-21swapper/308:41:343
12502994930,13cyclictest0-21swapper/310:23:113
12502994929,14cyclictest0-21swapper/310:41:313
1250199495,38cyclictest0-21swapper/207:46:422
12501994932,12cyclictest0-21swapper/208:59:012
12501994932,12cyclictest0-21swapper/208:59:012
12501994932,11cyclictest0-21swapper/206:06:432
1250099493,25cyclictest0-21swapper/109:26:491
12500994923,11cyclictest0-21swapper/106:05:291
12500994922,12cyclictest0-21swapper/107:51:541
12500994919,25cyclictest14440-21df_inode06:46:421
12500994919,15cyclictest0-21swapper/107:36:241
1249899496,12cyclictest0-21swapper/007:17:010
1249899495,13cyclictest0-21swapper/010:01:480
1249899494,26cyclictest0-21swapper/006:06:410
1249899493,28cyclictest0-21swapper/005:41:280
12498994920,12cyclictest0-21swapper/008:51:520
69922484,37sleep00-21swapper/006:31:420
316932483,10sleep10-21swapper/107:21:491
294032483,39sleep00-21swapper/006:11:300
252172482,39sleep20-21swapper/207:07:022
182832483,39sleep00-21swapper/006:54:590
1250299484,38cyclictest0-21swapper/310:51:493
12502994834,9cyclictest0-21swapper/310:56:423
12502994834,8cyclictest563-21rm08:16:453
12502994833,10cyclictest0-21swapper/307:57:383
12502994830,12cyclictest0-21swapper/309:36:403
12502994830,12cyclictest0-21swapper/309:36:403
12502994821,13cyclictest0-21swapper/306:36:563
1250299482,41cyclictest0-21swapper/308:15:353
12502994810,31cyclictest0-21swapper/309:16:423
1250199484,27cyclictest0-21swapper/208:11:522
1250199484,16cyclictest0-21swapper/209:46:512
12500994829,7cyclictest29008-21ssh08:11:321
12500994827,7cyclictest22098-21sed05:56:271
1249899485,29cyclictest0-21swapper/006:46:440
1249899485,13cyclictest0-21swapper/005:49:460
1249899483,27cyclictest0-21swapper/006:01:570
12498994822,10cyclictest31435-21gltestperf07:21:430
12498994819,9cyclictest22222-21grep07:01:510
12498994818,13cyclictest0-21swapper/007:26:420
111162482,9sleep20-21swapper/206:39:542
60612472,9sleep30-21swapper/308:25:203
268322473,9sleep00-21swapper/007:11:480
219499470,4rtkit-daemon2193-21rtkit-daemon05:59:223
1250299474,36cyclictest0-21swapper/309:26:463
1250299474,13cyclictest0-21swapper/310:36:213
12502994730,10cyclictest29615-21munin-node09:01:353
1250299473,37cyclictest28352-21rm08:57:293
1250299473,37cyclictest28352-21rm08:57:293
12502994729,12cyclictest0-21swapper/310:08:483
12501994719,7cyclictest18404-21latency_hist06:56:262
1250099476,31cyclictest0-21swapper/107:16:411
12500994732,9cyclictest9791-21grep06:36:431
1250099473,26cyclictest0-21swapper/106:31:551
1249899475,24cyclictest0-21swapper/005:51:400
1249899474,25cyclictest0-21swapper/005:56:400
1249899473,35cyclictest0-21swapper/007:31:410
39652462,38sleep10-21swapper/106:25:221
12502994631,10cyclictest0-21swapper/309:51:223
1250299463,18cyclictest0-21swapper/308:54:183
12502994629,13cyclictest0-21swapper/309:46:413
12502994617,12cyclictest32391-21forks06:16:433
12502994617,12cyclictest32391-21forks06:16:433
1250199466,34cyclictest0-21swapper/206:11:382
12501994633,8cyclictest3122-21basename07:31:352
1250199462,39cyclictest0-21swapper/205:50:122
12500994625,8cyclictest12496-21irqstats06:41:461
12500994619,12cyclictest0-21swapper/106:26:411
205612452,37sleep30-21swapper/306:58:333
190112452,36sleep30-21swapper/305:46:593
12502994531,8cyclictest25791-21munin-node07:11:493
12502994531,10cyclictest0-21swapper/307:06:433
12502994528,13cyclictest0-21swapper/309:13:523
12502994520,8cyclictest16025-21munin-run06:51:253
1250199454,34cyclictest0-21swapper/207:11:372
1250199453,36cyclictest0-21swapper/207:26:592
12500994520,12cyclictest1124-21snmpd07:00:411
122752453,6sleep00-21swapper/005:33:580
122752453,6sleep00-21swapper/005:33:580
12501994426,13cyclictest0-21swapper/206:43:192
12501994418,8cyclictest30592-21aten2.4-expect07:21:352
12501994417,19cyclictest0-21swapper/206:31:492
12501994414,11cyclictest0-21swapper/206:26:442
1250099446,23cyclictest22160-21ls07:01:511
12500994422,8cyclictest107550irq/46-eth005:46:541
1250299435,32cyclictest1227-21runrttasks07:25:573
1250299434,33cyclictest0-21swapper/306:21:403
1250299434,32cyclictest0-21swapper/305:56:283
1250299433,34cyclictest0-21swapper/307:01:433
1250299433,34cyclictest0-21swapper/306:01:393
12502994325,13cyclictest0-21swapper/309:41:203
1250199434,33cyclictest0-21swapper/207:16:432
12501994323,14cyclictest0-21swapper/206:01:402
61962422,35sleep30-21swapper/306:27:583
1250299423,32cyclictest0-21swapper/306:11:433
12502994218,8cyclictest12533-21cat05:36:293
12502994218,8cyclictest12533-21cat05:36:293
1250299415,30cyclictest7134-21munin-node06:31:423
1250299413,13cyclictest13967-21netstat05:36:553
1250299411,33cyclictest0-21swapper/307:26:533
1250199403,28cyclictest0-21swapper/205:36:282
1250199403,28cyclictest0-21swapper/205:36:282
1250099363,27cyclictest12661-21cat05:36:291
1250099363,27cyclictest12661-21cat05:36:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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