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2026-05-09 - 06:11

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 all highest latencies:
System rack1slot6s.osadl.org (updated Sat May 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1444099963,44cyclictest1099-21systemd-cgroups17:32:050
1444099944,43cyclictest0-21swapper/022:02:190
1444099943,42cyclictest24152-21switchtime21:37:260
1444099924,43cyclictest0-21swapper/019:22:190
1444099914,13cyclictest0-21swapper/019:57:220
1444099914,13cyclictest0-21swapper/019:57:220
1444599903,77cyclictest0-21swapper/218:55:542
1444099904,37cyclictest0-21swapper/020:51:580
1444099904,37cyclictest0-21swapper/020:51:580
14440999032,10cyclictest14895-21wc22:12:160
14440999032,10cyclictest14895-21wc22:12:160
1444599894,62cyclictest0-21swapper/219:09:312
14440998927,13cyclictest0-21swapper/019:12:180
14440998924,12cyclictest0-21swapper/020:39:460
1444599884,74cyclictest0-21swapper/220:37:092
1444099884,29cyclictest0-21swapper/020:52:200
1444599874,76cyclictest0-21swapper/217:27:272
14445998718,51cyclictest29139-21tail17:22:182
1444099874,40cyclictest0-21swapper/021:47:210
14440998719,13cyclictest0-21swapper/018:22:020
1444599864,62cyclictest0-21swapper/221:49:412
1444599864,62cyclictest0-21swapper/219:02:222
14440998631,9cyclictest11627-21tune2fs20:32:140
1444099863,42cyclictest0-21swapper/020:09:490
1444099863,38cyclictest5065-21needreboot21:57:200
1444599854,73cyclictest0-21swapper/220:07:112
1444599854,57cyclictest0-21swapper/221:32:282
1444599854,57cyclictest0-21swapper/221:32:282
1444599853,63cyclictest0-21swapper/221:20:092
1444599846,60cyclictest0-21swapper/221:22:182
1444599843,69cyclictest8936-21ssh19:40:592
1444599843,56cyclictest25906-21unixbench_multi17:12:382
1444599834,68cyclictest0-21swapper/220:25:482
1444599834,60cyclictest0-21swapper/221:42:142
1444599833,72cyclictest26382-21ssh20:52:412
1444599833,60cyclictest0-21swapper/218:57:112
1444099833,44cyclictest0-21swapper/022:07:420
1444099833,44cyclictest0-21swapper/022:07:420
1444599824,71cyclictest0-21swapper/219:47:252
1444599824,70cyclictest0-21swapper/220:02:252
1444599824,70cyclictest0-21swapper/220:02:252
1444599824,61cyclictest0-21swapper/222:02:142
1444599824,60cyclictest0-21swapper/220:12:332
1444599824,59cyclictest0-21swapper/221:07:412
1444599824,58cyclictest0-21swapper/221:29:032
1444599824,58cyclictest0-21swapper/219:32:282
1444599823,70cyclictest698-21find19:27:292
1444599823,59cyclictest31083-21ssh19:25:492
1444599823,57cyclictest0-21swapper/220:17:132
1444099823,41cyclictest0-21swapper/019:46:010
1444599815,68cyclictest0-21swapper/222:07:122
1444599815,68cyclictest0-21swapper/222:07:122
1444599814,69cyclictest0-21swapper/221:12:092
1444599814,69cyclictest0-21swapper/217:17:272
1444599812,42cyclictest0-21swapper/222:14:262
1444599812,42cyclictest0-21swapper/222:14:262
1444599804,69cyclictest0-21swapper/219:58:212
1444599804,69cyclictest0-21swapper/219:58:212
1444599804,58cyclictest0-21swapper/220:32:282
1444599804,52cyclictest0-21swapper/221:02:162
1444599803,60cyclictest18324-21if_eth022:17:152
1444599803,59cyclictest21213-21chrt20:47:102
1444599803,59cyclictest21213-21chrt20:47:102
1444099805,35cyclictest0-21swapper/018:57:210
1444599794,68cyclictest0-21swapper/217:02:332
1444599794,67cyclictest0-21swapper/220:42:242
1444599794,67cyclictest0-21swapper/216:52:212
14445997919,50cyclictest1676-21nscd19:46:592
1444599784,67cyclictest0-21swapper/217:08:412
1444599784,57cyclictest0-21swapper/219:17:342
1444599784,54cyclictest0-21swapper/220:58:212
1444599783,67cyclictest0-21swapper/221:52:452
1444599783,60cyclictest0-21swapper/221:38:072
1444599782,61cyclictest0-21swapper/219:13:012
1444099784,37cyclictest0-21swapper/020:44:410
1444599775,63cyclictest0-21swapper/221:59:112
1444599774,67cyclictest0-21swapper/218:02:162
1444599774,59cyclictest736-21tune2fs18:37:192
1444599774,59cyclictest736-21tune2fs18:37:192
1444599773,66cyclictest1287-21snmpd20:29:142
1444599773,56cyclictest0-21swapper/219:53:592
1444599772,60cyclictest0-21swapper/217:37:152
1444599764,55cyclictest0-21swapper/218:42:152
1444599763,65cyclictest5020-21munin-node18:47:162
1444599753,62cyclictest24709-21grep18:17:362
1444599753,56cyclictest0-21swapper/218:09:382
1444599734,62cyclictest0-21swapper/217:47:232
1444599734,61cyclictest0-21swapper/216:57:192
1444599734,47cyclictest13184-21latency_hist17:57:052
1444599734,47cyclictest13184-21latency_hist17:57:052
1444599733,63cyclictest22738-21latency_hist18:17:032
1444599722,52cyclictest0-21swapper/217:53:482
308242713,24sleep30-21swapper/321:01:353
14440997155,11cyclictest0-21swapper/021:34:550
14440997155,11cyclictest0-21swapper/021:34:550
1444599693,59cyclictest0-21swapper/217:32:172
1444599684,57cyclictest28766-21munin-node18:27:242
1444599684,55cyclictest0-21swapper/218:22:142
1444599672,52cyclictest0-21swapper/218:33:552
1444599664,49cyclictest0-21swapper/217:42:162
1444699653,27cyclictest0-21swapper/320:17:183
248599640,6rtkit-daemon2484-21rtkit-daemon19:04:451
248599630,5rtkit-daemon2484-21rtkit-daemon21:52:391
14444996326,30cyclictest28705-21sshd19:22:131
34472623,52sleep10-21swapper/117:34:531
248599620,5rtkit-daemon2484-21rtkit-daemon21:24:251
248599620,4rtkit-daemon2484-21rtkit-daemon19:54:291
14444996225,30cyclictest1419-21runrttasks20:58:431
248599610,5rtkit-daemon2484-21rtkit-daemon17:15:201
14444996115,10cyclictest4788-21idleruntime21:57:161
1444599604,48cyclictest0-21swapper/216:52:072
119232603,50sleep312010-21ssh22:07:223
119232603,50sleep312010-21ssh22:07:223
88972594,48sleep19021-21unixbench_singl22:02:281
49162593,12sleep10-21swapper/119:33:331
252312594,47sleep30-21swapper/320:52:163
1444699595,34cyclictest0-21swapper/318:52:113
1444699594,20cyclictest0-21swapper/319:00:213
1444099593,34cyclictest0-21swapper/017:42:260
96322582,9sleep30-21swapper/322:04:323
248599580,4rtkit-daemon2484-21rtkit-daemon22:09:311
248599580,4rtkit-daemon2484-21rtkit-daemon22:09:311
248599580,4rtkit-daemon2484-21rtkit-daemon17:04:131
203552583,10sleep30-21swapper/319:09:323
14446995840,11cyclictest5066-21head21:57:203
14446995840,11cyclictest20401-21crond22:21:543
14446995840,10cyclictest24177-21needreboot18:17:273
58072573,7sleep35811-21ssh19:36:493
14446995725,26cyclictest29565-21needreboot19:22:243
1444499574,37cyclictest0-21swapper/120:35:111
14444995714,27cyclictest121850irq/46-eth021:27:471
1444099573,47cyclictest0-21swapper/019:52:290
50922567,41sleep00-21swapper/020:22:170
14440995621,21cyclictest20032-21ssh22:20:340
128662563,46sleep10-21swapper/117:52:591
323112552,9sleep30-21swapper/320:15:073
248599550,6rtkit-daemon2484-21rtkit-daemon19:47:211
248599550,5rtkit-daemon2484-21rtkit-daemon18:27:240
248599550,5rtkit-daemon2484-21rtkit-daemon18:22:250
215842553,7sleep121587-21ssh21:34:181
215842553,7sleep121587-21ssh21:34:181
1444699553,44cyclictest0-21swapper/319:42:143
14446995524,13cyclictest0-21swapper/321:02:203
14446995518,7cyclictest37-21ksoftirqd/321:22:223
1444499554,34cyclictest0-21swapper/120:44:331
1444099554,43cyclictest0-21swapper/021:27:230
14440995520,18cyclictest25655-21perl19:17:180
15092543,44sleep11603-21hddtemp_smartct20:17:181
1444699544,31cyclictest0-21swapper/322:12:293
1444699544,31cyclictest0-21swapper/322:12:293
1444499545,32cyclictest0-21swapper/118:55:041
1444499545,31cyclictest0-21swapper/121:17:131
1444499545,29cyclictest0-21swapper/120:14:021
1444499545,26cyclictest31163-21ssh21:47:291
1444499543,10cyclictest0-21swapper/120:37:081
1444099543,44cyclictest0-21swapper/019:47:210
143752543,43sleep314438-21iostat17:57:253
143752543,43sleep314438-21iostat17:57:253
83222533,44sleep10-21swapper/117:45:581
248599530,5rtkit-daemon2484-21rtkit-daemon17:32:190
1444699534,28cyclictest0-21swapper/320:26:583
14446995322,7cyclictest0-21swapper/320:00:023
14446995322,7cyclictest0-21swapper/320:00:023
1444499535,28cyclictest0-21swapper/119:42:331
1444499535,27cyclictest8141-21diskstats20:27:141
1444499535,22cyclictest0-21swapper/121:07:081
1444499534,40cyclictest0-21swapper/120:47:081
1444499534,40cyclictest0-21swapper/120:47:081
14444995336,10cyclictest28133-21unixbench_multi20:07:311
14444995335,10cyclictest4897-21fschecks_time20:22:141
14444995334,12cyclictest15194-21needreboot22:12:201
14444995334,12cyclictest15194-21needreboot22:12:201
14444995326,12cyclictest0-21swapper/121:40:461
14444995324,24cyclictest0-21swapper/121:46:181
14444995322,13cyclictest0-21swapper/119:09:011
14444995322,10cyclictest16965-21wc16:57:071
1444099534,44cyclictest0-21swapper/021:04:110
297992523,43sleep329941-21df_inode21:47:103
248599520,5rtkit-daemon2484-21rtkit-daemon20:57:190
248599520,5rtkit-daemon2484-21rtkit-daemon19:33:070
248599520,5rtkit-daemon2484-21rtkit-daemon18:12:180
1444699527,25cyclictest0-21swapper/319:03:133
1444699524,30cyclictest0-21swapper/320:47:163
1444699524,30cyclictest0-21swapper/320:47:163
1444699524,27cyclictest0-21swapper/320:38:513
1444699524,27cyclictest0-21swapper/320:10:263
1444699524,27cyclictest0-21swapper/318:08:513
1444699524,26cyclictest0-21swapper/321:16:523
14446995220,14cyclictest0-21swapper/319:17:193
14446995213,19cyclictest13550-21sort19:47:173
1444499525,29cyclictest0-21swapper/119:15:441
1444499525,29cyclictest0-21swapper/117:57:331
1444499525,29cyclictest0-21swapper/117:57:331
1444499525,27cyclictest1419-21runrttasks19:39:471
1444499525,27cyclictest0-21swapper/117:47:271
1444499524,29cyclictest0-21swapper/117:27:211
14444995234,12cyclictest24680-21unixbench_multi18:17:351
14444995232,13cyclictest0-21swapper/118:57:251
14444995225,12cyclictest0-21swapper/120:02:541
14444995225,12cyclictest0-21swapper/120:02:541
14444995217,27cyclictest25937-21awk19:17:211
1444099523,43cyclictest0-21swapper/020:04:570
1444099523,43cyclictest0-21swapper/020:04:570
1444099523,42cyclictest0-21swapper/019:04:000
95492513,9sleep30-21swapper/320:28:013
285792512,9sleep30-21swapper/317:20:003
248599510,5rtkit-daemon2484-21rtkit-daemon18:52:230
248599510,5rtkit-daemon2484-21rtkit-daemon17:59:560
248599510,5rtkit-daemon2484-21rtkit-daemon17:59:560
209662512,42sleep00-21swapper/019:11:300
1444699514,29cyclictest0-21swapper/320:42:203
1444699514,28cyclictest0-21swapper/317:22:403
1444699514,26cyclictest0-21swapper/320:36:433
1444699514,26cyclictest0-21swapper/317:52:393
1444699513,26cyclictest0-21swapper/320:05:463
1444699513,26cyclictest0-21swapper/320:05:463
14446995120,14cyclictest0-21swapper/321:11:183
14446995120,13cyclictest0-21swapper/318:42:363
1444499517,26cyclictest0-21swapper/120:54:561
1444499515,25cyclictest0-21swapper/122:16:581
1444499514,28cyclictest0-21swapper/117:07:381
1444499514,27cyclictest0-21swapper/121:02:251
1444499514,27cyclictest0-21swapper/118:47:131
1444499514,12cyclictest0-21swapper/121:12:271
1444499513,20cyclictest32300-21munin-node19:27:171
14444995110,10cyclictest1676-21nscd18:12:041
1444099515,27cyclictest0-21swapper/019:37:160
1444099513,34cyclictest0-21swapper/021:16:470
14440995119,27cyclictest3545-21crond21:56:540
62352502,9sleep30-21swapper/317:42:093
226812503,40sleep10-21swapper/118:16:211
1444699504,29cyclictest0-21swapper/317:12:223
1444699504,28cyclictest0-21swapper/321:52:263
1444699504,28cyclictest0-21swapper/318:02:323
1444699504,28cyclictest0-21swapper/317:47:173
1444699504,28cyclictest0-21swapper/316:57:333
1444699504,27cyclictest0-21swapper/321:17:273
1444699504,27cyclictest0-21swapper/319:14:213
1444699504,27cyclictest0-21swapper/318:47:193
1444699504,27cyclictest0-21swapper/316:52:393
1444699504,26cyclictest0-21swapper/318:12:233
1444699504,23cyclictest8033-21yum-updatesd-he19:37:423
14446995020,13cyclictest0-21swapper/318:37:253
14446995020,13cyclictest0-21swapper/318:37:253
14446995018,12cyclictest0-21swapper/317:42:043
14446995013,9cyclictest31528-21sshd17:27:183
1444499505,27cyclictest0-21swapper/118:43:571
1444499504,26cyclictest0-21swapper/120:02:001
14444995013,29cyclictest0-21swapper/118:37:141
14444995013,29cyclictest0-21swapper/118:37:141
1444099504,41cyclictest0-21swapper/020:16:320
14440995031,13cyclictest0-21swapper/020:17:320
1444099503,41cyclictest0-21swapper/021:11:240
1444099503,40cyclictest0-21swapper/021:41:580
1444099503,40cyclictest0-21swapper/020:27:120
13072502,9sleep30-21swapper/319:28:103
248599490,5rtkit-daemon2484-21rtkit-daemon18:47:240
248599490,4rtkit-daemon2484-21rtkit-daemon17:02:200
207262493,39sleep320753-21switchtime21:32:273
207262493,39sleep320753-21switchtime21:32:273
1444699494,27cyclictest0-21swapper/319:52:093
1444699494,26cyclictest0-21swapper/317:32:323
1444699494,12cyclictest0-21swapper/318:23:543
1444699493,27cyclictest22577-21munin-node21:37:183
14446994920,12cyclictest0-21swapper/321:43:143
1444499495,27cyclictest0-21swapper/117:23:441
14444994921,8cyclictest19304-21cat17:02:061
14444994918,12cyclictest0-21swapper/118:33:551
14444994917,13cyclictest0-21swapper/119:58:541
14444994916,13cyclictest0-21swapper/118:27:211
1444099495,37cyclictest0-21swapper/019:27:180
1444099493,40cyclictest0-21swapper/018:37:300
1444099493,40cyclictest0-21swapper/018:37:300
308852482,40sleep00-21swapper/017:23:560
248599480,4rtkit-daemon2484-21rtkit-daemon18:42:240
1444699484,26cyclictest0-21swapper/321:27:073
1444699484,26cyclictest0-21swapper/318:37:033
1444699483,27cyclictest0-21swapper/317:02:233
1444499485,26cyclictest0-21swapper/118:23:541
1444499485,26cyclictest0-21swapper/118:02:161
1444099485,38cyclictest0-21swapper/021:26:260
14440994822,9cyclictest121850irq/46-eth016:57:330
1444699473,22cyclictest0-21swapper/318:27:133
1444099473,28cyclictest0-21swapper/017:07:240
1444099473,12cyclictest0-21swapper/021:17:240
284412466,7sleep114429-21cyclictest17:18:121
239372462,38sleep30-21swapper/317:11:423
177462463,9sleep00-21swapper/018:04:150
167372462,38sleep00-21swapper/016:56:070
1444499463,25cyclictest0-21swapper/117:37:321
1444099454,35cyclictest0-21swapper/017:17:050
1444099453,11cyclictest0-21swapper/018:32:130
14440994529,10cyclictest9266-21tune2fs17:47:220
1444099445,34cyclictest0-21swapper/017:17:330
1444099424,32cyclictest0-21swapper/018:07:320
14440994212,24cyclictest0-21swapper/017:37:240
1444099414,31cyclictest0-21swapper/017:52:220
14444994016,7cyclictest14421-21latency_hist16:52:071
1444699382,23cyclictest0-21swapper/316:52:073
14440993710,7cyclictest14421-21latency_hist16:52:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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