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2026-06-21 - 13:41

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 Sun Jun 21, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120932870,6sleep31612599cyclictest12:02:563
30092760,3sleep041ktimersoftd/011:48:100
1612499714,59cyclictest0-21swapper/209:33:082
1612499714,59cyclictest0-21swapper/209:33:082
16123996941,11cyclictest14908-21crond12:07:421
16122996636,13cyclictest0-21swapper/010:42:450
219499650,5rtkit-daemon2193-21rtkit-daemon09:53:262
1612499653,54cyclictest22620-21systemd-cgroups09:07:502
16123996537,13cyclictest0-21swapper/110:58:161
16123996537,13cyclictest0-21swapper/110:58:161
199082640,3sleep015-21rcuc/006:53:200
1612499644,51cyclictest0-21swapper/209:13:092
1612499643,53cyclictest0-21swapper/209:58:192
16123996440,11cyclictest0-21swapper/110:48:361
219499630,5rtkit-daemon2193-21rtkit-daemon11:50:442
1612599634,13cyclictest0-21swapper/310:26:193
1612499634,51cyclictest0-21swapper/209:23:122
1612499633,53cyclictest0-21swapper/210:48:052
16122996324,24cyclictest3990-21unixbench_multi10:13:200
29692623,9sleep00-21swapper/011:01:140
29692623,9sleep00-21swapper/011:01:140
1612599624,11cyclictest21980-21wc09:53:083
1612499624,51cyclictest0-21swapper/211:38:022
1612499624,51cyclictest0-21swapper/211:38:022
1612499624,50cyclictest0-21swapper/210:18:132
1612499624,50cyclictest0-21swapper/210:18:132
1612499624,50cyclictest0-21swapper/210:08:072
1612499624,50cyclictest0-21swapper/209:08:242
1612499622,54cyclictest0-21swapper/210:23:522
67902613,9sleep36930-21latency_hist11:07:463
1612499614,49cyclictest0-21swapper/211:18:132
1612499613,52cyclictest0-21swapper/209:48:372
1612499613,51cyclictest0-21swapper/210:46:522
16122996112,29cyclictest0-21swapper/009:03:090
1612599605,49cyclictest0-21swapper/311:22:443
1612499604,49cyclictest0-21swapper/210:15:002
1612499603,52cyclictest0-21swapper/209:28:532
16123996036,10cyclictest0-21swapper/108:48:231
16123996032,13cyclictest0-21swapper/110:08:001
302692593,48sleep230287-21uname10:53:092
264032593,9sleep00-21swapper/011:35:330
1612599599,29cyclictest0-21swapper/312:13:013
1612499595,48cyclictest0-21swapper/211:36:522
1612499595,46cyclictest0-21swapper/211:52:572
1612499594,47cyclictest0-21swapper/211:22:532
1612499593,49cyclictest0-21swapper/212:02:542
1612499592,51cyclictest0-21swapper/208:48:062
16123995926,12cyclictest0-21swapper/112:13:041
93552584,12sleep00-21swapper/007:38:240
1612499584,47cyclictest0-21swapper/211:05:052
1612499584,47cyclictest0-21swapper/210:33:142
1612499584,47cyclictest0-21swapper/208:55:462
1612499584,47cyclictest0-21swapper/208:55:462
16124995832,8cyclictest1571-21ssh10:58:142
16124995832,8cyclictest1571-21ssh10:58:142
1612499583,50cyclictest0-21swapper/209:47:292
1612499583,48cyclictest30907-21cpuspeed11:42:572
1612499583,48cyclictest0-21swapper/211:08:012
1612399584,32cyclictest0-21swapper/107:18:151
16123995832,12cyclictest0-21swapper/108:58:291
16123995832,12cyclictest0-21swapper/108:58:291
16123995825,16cyclictest29202-21processes10:03:151
1612299584,34cyclictest0-21swapper/010:43:190
16122995819,21cyclictest0-21swapper/008:59:350
16122995819,21cyclictest0-21swapper/008:59:350
93722573,10sleep19446-21switchtime07:38:251
171622573,9sleep00-21swapper/011:22:510
1612599575,35cyclictest0-21swapper/310:03:383
1612599574,12cyclictest0-21swapper/310:47:463
1612599574,12cyclictest0-21swapper/310:37:453
1612599573,13cyclictest0-21swapper/310:18:213
1612599573,13cyclictest0-21swapper/310:18:213
1612499574,46cyclictest0-21swapper/211:58:062
16123995736,8cyclictest15795-21sensors09:43:211
16123995735,8cyclictest3654-21yum-updatesd-he09:27:141
16123995729,12cyclictest0-21swapper/111:13:071
16123995728,14cyclictest0-21swapper/110:54:501
16123995711,11cyclictest0-21swapper/109:15:071
1612299575,16cyclictest0-21swapper/011:32:150
16122995737,11cyclictest14475-21unixbench_singl07:48:250
77462563,47sleep00-21swapper/010:19:170
77462563,47sleep00-21swapper/010:19:170
32712562,9sleep30-21swapper/311:02:213
32712562,9sleep30-21swapper/311:02:213
276212563,47sleep00-21swapper/010:48:200
219499560,6rtkit-daemon2193-21rtkit-daemon10:28:172
1612599566,10cyclictest0-21swapper/309:38:153
1612599566,10cyclictest0-21swapper/309:38:153
1612599564,13cyclictest0-21swapper/310:39:253
1612599564,13cyclictest0-21swapper/310:10:193
1612599564,13cyclictest0-21swapper/309:00:433
1612599564,13cyclictest0-21swapper/309:00:433
1612599564,13cyclictest0-21swapper/308:51:033
1612599563,13cyclictest0-21swapper/311:27:073
16125995614,25cyclictest0-21swapper/311:15:293
1612599560,10cyclictest32322-21kworker/0:210:57:453
1612499563,46cyclictest1080-21lldpd09:19:202
1612499562,49cyclictest0-21swapper/212:13:082
16123995630,12cyclictest0-21swapper/109:50:111
1612399563,25cyclictest0-21swapper/111:34:571
16123995626,14cyclictest0-21swapper/111:27:581
16123995626,14cyclictest0-21swapper/109:21:531
1612299564,46cyclictest0-21swapper/009:19:180
1612299564,45cyclictest0-21swapper/011:17:550
16122995622,26cyclictest0-21swapper/007:23:140
1612599555,12cyclictest0-21swapper/311:10:523
1612599554,45cyclictest0-21swapper/309:29:463
1612599554,13cyclictest0-21swapper/309:49:313
1612599554,13cyclictest0-21swapper/309:33:163
1612599554,13cyclictest0-21swapper/309:33:163
1612599554,12cyclictest0-21swapper/311:28:523
1612599554,12cyclictest0-21swapper/309:45:143
1612599554,12cyclictest0-21swapper/308:57:293
1612599554,12cyclictest0-21swapper/308:57:293
1612599554,11cyclictest0-21swapper/310:48:053
16125995519,28cyclictest0-21swapper/311:37:543
16125995519,28cyclictest0-21swapper/311:37:543
1612499553,46cyclictest0-21swapper/208:58:202
1612499553,46cyclictest0-21swapper/208:58:202
1612499553,44cyclictest11511-21fschecks_count09:38:062
1612499553,44cyclictest11511-21fschecks_count09:38:062
1612399554,32cyclictest0-21swapper/111:18:181
1612399554,21cyclictest0-21swapper/111:41:441
1612399554,21cyclictest0-21swapper/111:41:441
16123995527,14cyclictest0-21swapper/110:23:381
16123995527,12cyclictest0-21swapper/110:28:151
16123995526,14cyclictest0-21swapper/111:08:491
16123995523,13cyclictest0-21swapper/109:03:171
1612299555,14cyclictest0-21swapper/012:06:410
1612299554,31cyclictest0-21swapper/010:33:520
1612299554,31cyclictest0-21swapper/008:48:210
1612299554,15cyclictest0-21swapper/011:56:460
235312540,6sleep3361ktimersoftd/309:08:083
219499540,5rtkit-daemon2193-21rtkit-daemon12:08:132
219499540,4rtkit-daemon2193-21rtkit-daemon06:48:113
219499540,4rtkit-daemon2193-21rtkit-daemon06:48:113
214722542,44sleep20-21swapper/211:28:052
1612599546,15cyclictest0-21swapper/310:28:023
1612599544,13cyclictest0-21swapper/309:06:433
1612499544,44cyclictest0-21swapper/208:13:042
1612499544,44cyclictest0-21swapper/208:13:042
16124995431,10cyclictest7951-21telnet07:38:042
1612499543,30cyclictest0-21swapper/207:23:062
1612399544,44cyclictest0-21swapper/108:53:091
1612399544,44cyclictest0-21swapper/108:53:091
16123995433,10cyclictest0-21swapper/110:32:531
16123995428,12cyclictest0-21swapper/109:54:271
16123995426,13cyclictest0-21swapper/111:52:211
16123995426,13cyclictest0-21swapper/111:43:051
16123995426,13cyclictest0-21swapper/109:58:151
16123995424,13cyclictest0-21swapper/109:30:301
16123995420,16cyclictest5338-21timerwakeupswit11:03:171
1612299545,30cyclictest0-21swapper/009:48:180
1612299545,28cyclictest1124-21snmpd11:38:050
1612299545,28cyclictest1124-21snmpd11:38:050
1612299544,42cyclictest0-21swapper/012:07:560
1612299544,30cyclictest0-21swapper/009:53:240
1612299544,27cyclictest0-21swapper/008:53:020
1612299544,27cyclictest0-21swapper/008:53:020
16122995438,9cyclictest32035-21grep10:08:070
16122995434,13cyclictest10744-21tr11:12:590
16122995433,11cyclictest27217-21grep09:13:070
160102543,45sleep00-21swapper/009:43:250
230182532,43sleep20-21swapper/206:59:442
219499530,5rtkit-daemon2193-21rtkit-daemon11:13:012
1612599539,27cyclictest0-21swapper/311:33:153
1612599536,13cyclictest0-21swapper/312:12:323
1612599535,12cyclictest0-21swapper/309:17:323
1612499534,42cyclictest20028-21hwlatdetect10:38:072
1612499533,44cyclictest28108-21cut10:03:002
1612399534,43cyclictest0-21swapper/111:53:351
1612399534,43cyclictest0-21swapper/110:47:061
1612399534,30cyclictest0-21swapper/108:32:511
16123995331,8cyclictest8858-21diskmemload11:23:021
1612399533,45cyclictest0-21swapper/112:10:311
1612399533,44cyclictest0-21swapper/109:32:521
1612399533,44cyclictest0-21swapper/109:32:521
16123995324,13cyclictest0-21swapper/107:13:221
107502533,44sleep00-21swapper/011:59:520
1612599523,11cyclictest32080-21processes11:43:133
1612499524,40cyclictest0-21swapper/208:43:022
1612399524,40cyclictest0-21swapper/108:03:131
1612399524,29cyclictest0-21swapper/110:38:101
16123995230,11cyclictest0-21swapper/110:18:261
16123995230,11cyclictest0-21swapper/110:18:261
16123995226,13cyclictest0-21swapper/111:57:551
1612299525,39cyclictest0-21swapper/009:58:040
1612299525,28cyclictest0-21swapper/007:33:080
1612299525,28cyclictest0-21swapper/007:33:080
1612299525,14cyclictest0-21swapper/010:53:120
1612299524,41cyclictest0-21swapper/010:23:070
1612299524,29cyclictest20350-21grep12:13:150
1612299524,29cyclictest0-21swapper/007:28:070
16122995234,11cyclictest31508-21grep07:18:120
16122995234,10cyclictest25016-21cpuspeed_turbos08:13:070
16122995234,10cyclictest25016-21cpuspeed_turbos08:13:070
16122995232,11cyclictest14082-21ssh09:42:490
16122995232,11cyclictest14082-21ssh09:42:490
16122995215,29cyclictest8931-21ls08:47:500
98622513,41sleep00-21swapper/011:11:420
256682513,9sleep00-21swapper/009:11:280
182402513,41sleep118332-21tr07:58:121
1612599515,27cyclictest0-21swapper/308:23:013
1612599514,12cyclictest3420-21grep11:48:163
1612599514,10cyclictest20875-21crond06:57:543
16125995120,15cyclictest0-21swapper/310:12:573
1612499514,29cyclictest0-21swapper/208:33:032
16124995132,11cyclictest28981-21tune2fs07:13:132
16124995123,13cyclictest0-21swapper/208:27:072
16124995121,13cyclictest0-21swapper/207:18:172
1612499512,43cyclictest0-21swapper/207:48:142
1612399514,29cyclictest0-21swapper/108:43:031
1612399514,29cyclictest0-21swapper/107:23:031
16123995130,10cyclictest0-21swapper/109:08:391
1612299515,28cyclictest0-21swapper/009:23:110
1612299515,28cyclictest0-21swapper/008:03:240
1612299515,28cyclictest0-21swapper/007:08:180
1612299515,27cyclictest0-21swapper/009:28:130
1612299515,27cyclictest0-21swapper/007:13:230
1612299514,41cyclictest0-21swapper/009:34:150
1612299514,41cyclictest0-21swapper/009:34:150
1612299514,40cyclictest0-21swapper/011:43:160
1612299514,30cyclictest0-21swapper/011:06:450
1612299514,28cyclictest0-21swapper/007:58:220
16122995133,11cyclictest3111-21needreboot08:33:150
16122995115,22cyclictest107550irq/46-eth008:38:040
230572502,42sleep10-21swapper/108:08:121
1612599506,25cyclictest5657-21diskstats11:52:593
1612599505,28cyclictest0-21swapper/309:26:493
1612599505,27cyclictest0-21swapper/309:57:573
1612599504,29cyclictest0-21swapper/311:58:123
1612599504,28cyclictest0-21swapper/308:08:053
16125995019,13cyclictest0-21swapper/309:18:033
16125995018,14cyclictest0-21swapper/308:07:523
1612499504,29cyclictest0-21swapper/208:18:062
16124995029,9cyclictest5693-21telnet07:33:042
16124995029,9cyclictest5693-21telnet07:33:042
1612399504,29cyclictest0-21swapper/109:38:091
1612399504,29cyclictest0-21swapper/109:38:091
1612399504,29cyclictest0-21swapper/107:03:101
1612399504,28cyclictest0-21swapper/108:23:121
1612399504,25cyclictest0-21swapper/110:13:161
16123995033,10cyclictest11248-21hwlatdetect07:43:141
16123995028,10cyclictest0-21swapper/107:28:261
16123995028,10cyclictest0-21swapper/106:48:291
16123995028,10cyclictest0-21swapper/106:48:291
1612299505,27cyclictest0-21swapper/006:58:140
1612299504,28cyclictest0-21swapper/010:28:000
1612299504,26cyclictest0-21swapper/008:12:140
16122995020,13cyclictest0-21swapper/010:04:580
124032503,41sleep00-21swapper/007:47:030
1612599495,27cyclictest0-21swapper/307:58:123
1612599495,27cyclictest0-21swapper/306:58:103
1612599494,28cyclictest0-21swapper/307:57:123
1612599494,27cyclictest0-21swapper/308:43:023
1612599494,27cyclictest0-21swapper/307:18:123
16125994920,12cyclictest0-21swapper/307:38:153
16125994918,14cyclictest0-21swapper/308:33:063
1612499498,34cyclictest0-21swapper/206:53:252
1612499493,28cyclictest0-21swapper/208:28:132
1612499493,15cyclictest0-21swapper/207:28:142
16124994922,12cyclictest0-21swapper/207:43:162
1612499492,41cyclictest0-21swapper/208:42:212
1612499492,41cyclictest0-21swapper/208:08:082
1612399494,38cyclictest0-21swapper/107:08:401
1612399494,28cyclictest0-21swapper/108:38:191
1612399494,13cyclictest0-21swapper/108:13:051
1612399494,13cyclictest0-21swapper/108:13:051
1612299494,27cyclictest0-21swapper/008:23:130
1612299494,27cyclictest0-21swapper/007:03:160
1612299493,28cyclictest0-21swapper/006:48:170
1612299493,28cyclictest0-21swapper/006:48:170
1612599485,27cyclictest0-21swapper/308:42:193
1612599485,26cyclictest0-21swapper/307:07:043
1612599484,27cyclictest0-21swapper/308:22:153
1612599484,26cyclictest28990-21fschecks_time07:13:133
1612599482,24cyclictest0-21swapper/307:48:083
1612499482,40cyclictest0-21swapper/207:53:202
1612499482,40cyclictest0-21swapper/207:08:062
16123994832,10cyclictest3645-21unixbench_singl08:33:231
16122994817,13cyclictest0-21swapper/008:28:230
291512472,9sleep10-21swapper/108:22:311
16125994721,8cyclictest26895-21cat08:17:523
16125994721,8cyclictest26895-21cat08:17:523
1612399474,37cyclictest0-21swapper/107:53:171
16122994715,13cyclictest0-21swapper/008:18:190
157532474,6sleep00-21swapper/006:43:350
146162472,39sleep10-21swapper/107:49:461
1612599464,26cyclictest0-21swapper/307:47:533
1612599463,29cyclictest0-21swapper/307:33:193
1612599463,29cyclictest0-21swapper/307:33:193
16125994626,12cyclictest1092-21unixbench_multi08:28:243
1612499462,39cyclictest0-21swapper/208:04:492
16124994619,14cyclictest0-21swapper/206:52:552
16124994619,14cyclictest0-21swapper/206:52:552
1612299464,36cyclictest0-21swapper/007:57:120
230842452,37sleep10-21swapper/107:00:361
1612599453,22cyclictest1124-21snmpd07:27:073
16125994526,11cyclictest27086-21needreboot07:08:203
1612499454,12cyclictest0-21swapper/207:03:082
1612499452,37cyclictest0-21swapper/207:58:052
1612399453,25cyclictest19092-21cpuspeed_turbos06:53:101
159542454,33sleep20-21swapper/206:46:152
1612599444,22cyclictest0-21swapper/307:28:063
1612399445,25cyclictest0-21swapper/107:33:031
1612399445,25cyclictest0-21swapper/107:33:031
1612399413,25cyclictest0-21swapper/106:47:551
1612599394,13cyclictest0-21swapper/306:47:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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