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2026-08-23 - 18:12

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 Aug 23, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109522990,15sleep2281ktimersoftd/207:58:362
219499860,3rtkit-daemon0-21swapper/305:51:513
219499780,13rtkit-daemon2193-21rtkit-daemon10:01:491
11569997040,14cyclictest0-21swapper/010:19:060
11569996840,13cyclictest0-21swapper/008:30:260
11569996839,12cyclictest0-21swapper/009:30:330
7292643,12sleep20-21swapper/210:58:412
1157299645,51cyclictest0-21swapper/307:18:523
11569996437,12cyclictest0-21swapper/010:02:170
219499630,21rtkit-daemon2193-21rtkit-daemon11:01:240
11569996337,12cyclictest0-21swapper/010:56:060
11569996335,12cyclictest0-21swapper/009:04:090
11569996335,12cyclictest0-21swapper/009:04:090
141402623,51sleep00-21swapper/009:39:010
135522623,11sleep00-21swapper/008:49:020
1157299625,50cyclictest0-21swapper/311:03:423
1157299625,49cyclictest0-21swapper/310:28:423
1157299625,49cyclictest0-21swapper/310:28:423
1157199622,35cyclictest0-21swapper/209:10:522
11569996235,12cyclictest0-21swapper/007:56:070
223392613,50sleep30-21swapper/309:03:493
223392613,50sleep30-21swapper/309:03:493
1157299618,46cyclictest0-21swapper/308:15:033
1157299617,46cyclictest0-21swapper/310:58:533
1157299615,48cyclictest0-21swapper/309:15:313
11569996134,13cyclictest0-21swapper/010:13:560
1157299606,48cyclictest0-21swapper/307:53:133
1157299605,48cyclictest0-21swapper/309:54:103
1157299605,48cyclictest0-21swapper/309:52:593
1157299605,47cyclictest0-21swapper/307:30:323
1157299604,49cyclictest0-21swapper/311:13:453
1157299604,49cyclictest0-21swapper/308:58:343
1157299603,49cyclictest0-21swapper/309:18:473
1157199604,49cyclictest0-21swapper/209:23:452
1157199604,48cyclictest1227-21runrttasks10:26:492
1157199604,48cyclictest0-21swapper/210:00:232
1157199604,48cyclictest0-21swapper/208:50:542
1157199603,48cyclictest15505-21gltestperf08:03:562
11569996039,8cyclictest17182-21ssh09:43:550
11569996039,8cyclictest17182-21ssh09:43:550
11569996031,13cyclictest0-21swapper/010:28:200
219499590,30rtkit-daemon0-21swapper/106:27:281
219499590,30rtkit-daemon0-21swapper/106:27:281
120132593,12sleep20-21swapper/206:54:122
1157299597,46cyclictest7875-21cstates11:08:453
1157299597,46cyclictest7875-21cstates11:08:453
1157299595,47cyclictest30795-21chrt10:04:033
1157299595,47cyclictest0-21swapper/310:08:483
1157299594,49cyclictest0-21swapper/309:34:533
1157299594,49cyclictest0-21swapper/308:59:053
1157299594,49cyclictest0-21swapper/307:56:053
1157299594,48cyclictest0-21swapper/310:38:493
1157299594,48cyclictest0-21swapper/308:23:553
1157299594,48cyclictest0-21swapper/308:23:553
1157299594,47cyclictest0-21swapper/310:44:003
1157299593,49cyclictest0-21swapper/310:14:013
1157199594,48cyclictest16967-21grep09:43:522
1157199594,48cyclictest16967-21grep09:43:522
1157199594,48cyclictest0-21swapper/211:09:082
1157199594,48cyclictest0-21swapper/211:09:082
1157199594,48cyclictest0-21swapper/210:38:532
1157199594,47cyclictest0-21swapper/211:13:392
1157199593,50cyclictest20146-21fschecks_time09:48:512
1157199593,49cyclictest0-21swapper/209:29:082
1157199593,48cyclictest3214-21sed08:33:552
1157199593,48cyclictest0-21swapper/209:04:052
1157199593,48cyclictest0-21swapper/209:04:052
1157199593,48cyclictest0-21swapper/208:43:472
11570995919,31cyclictest7410-21latency09:28:581
25562583,48sleep00-21swapper/010:10:460
1157299585,47cyclictest0-21swapper/309:29:093
1157299585,45cyclictest0-21swapper/308:19:013
1157299584,49cyclictest0-21swapper/310:48:523
1157299584,48cyclictest0-21swapper/308:34:583
1157299584,48cyclictest0-21swapper/308:30:013
1157299584,48cyclictest0-21swapper/306:35:443
1157299584,47cyclictest0-21swapper/309:38:583
1157299584,47cyclictest0-21swapper/308:39:093
1157299584,47cyclictest0-21swapper/306:00:353
1157299583,49cyclictest2220-21udisks-daemon10:57:233
1157199583,48cyclictest0-21swapper/210:48:502
1157199583,48cyclictest0-21swapper/210:18:462
1157199583,48cyclictest0-21swapper/209:53:522
1157199583,48cyclictest0-21swapper/209:14:032
1157199583,48cyclictest0-21swapper/208:03:242
1157199582,10cyclictest0-21swapper/210:56:162
1157199582,10cyclictest0-21swapper/207:51:142
1156999583,42cyclictest0-21swapper/011:08:550
1156999583,42cyclictest0-21swapper/011:08:550
219499570,4rtkit-daemon2193-21rtkit-daemon09:12:060
186612573,46sleep20-21swapper/210:34:222
1157299575,46cyclictest0-21swapper/309:46:233
1157299575,46cyclictest0-21swapper/309:46:233
1157299575,45cyclictest0-21swapper/310:26:183
1157299575,45cyclictest0-21swapper/308:08:383
1157299574,47cyclictest0-21swapper/309:11:483
1157299574,46cyclictest9028-21gltestperf06:48:593
1157299574,46cyclictest0-21swapper/307:58:513
1157299574,46cyclictest0-21swapper/306:28:403
1157299574,46cyclictest0-21swapper/306:28:403
1157299574,45cyclictest1227-21runrttasks06:32:033
1157299573,13cyclictest0-21swapper/309:27:133
1157199574,47cyclictest0-21swapper/208:30:332
1157199573,48cyclictest0-21swapper/210:16:282
1157199573,47cyclictest0-21swapper/210:03:502
1157199573,47cyclictest0-21swapper/206:13:412
1157199573,47cyclictest0-21swapper/206:08:412
1157199573,47cyclictest0-21swapper/205:49:042
1157199572,47cyclictest15536-21ssh08:53:462
219499560,4rtkit-daemon2193-21rtkit-daemon06:29:051
1157299566,44cyclictest0-21swapper/310:38:293
11572995641,9cyclictest26699-21cut06:18:563
1157299564,45cyclictest26552-21df_inode09:58:483
1157299564,45cyclictest0-21swapper/308:07:353
1157199564,46cyclictest6356-21seq06:43:572
1157199563,47cyclictest15469-21taskset10:29:462
1157199563,47cyclictest15469-21taskset10:29:462
1157199563,46cyclictest21445-21munin-node08:14:032
1157199563,46cyclictest0-21swapper/208:41:342
1156999565,35cyclictest0-21swapper/009:00:090
1156999564,34cyclictest0-21swapper/009:57:540
11569995626,13cyclictest0-21swapper/007:04:040
11569995626,13cyclictest0-21swapper/007:04:040
93102554,12sleep10-21swapper/110:21:271
1157299554,45cyclictest0-21swapper/307:14:083
1157199554,46cyclictest13860-21interrupts09:38:552
1157199554,46cyclictest0-21swapper/208:24:102
1157199554,46cyclictest0-21swapper/208:24:102
1157199554,45cyclictest0-21swapper/206:34:172
1157199553,45cyclictest23246-21ssh10:43:322
1157199553,45cyclictest0-21swapper/209:18:522
1157199553,44cyclictest10096-21df_abs09:33:482
1157099554,41cyclictest0-21swapper/110:10:421
11570995522,13cyclictest0-21swapper/110:58:521
11570995519,12cyclictest0-21swapper/106:19:121
11570995518,28cyclictest7965-21df_abs11:08:461
11570995518,28cyclictest7965-21df_abs11:08:461
11570995516,18cyclictest16289-21if_eth007:03:581
11570995516,18cyclictest16289-21if_eth007:03:581
1156999559,29cyclictest0-21swapper/008:26:490
1156999559,29cyclictest0-21swapper/008:26:490
1156999554,45cyclictest0-21swapper/008:39:050
1156999554,35cyclictest10811-21netstat09:33:590
11569995521,15cyclictest0-21swapper/010:03:450
23002543,8sleep32414-21tr07:43:513
23002543,8sleep32414-21tr07:43:513
16902542,9sleep00-21swapper/007:42:270
160032543,9sleep10-21swapper/105:54:381
153812543,45sleep015464-21grep08:03:550
1157299544,42cyclictest14188-21rm08:49:303
11572995413,12cyclictest0-21swapper/306:54:063
1157199545,43cyclictest0-21swapper/207:23:512
1157199543,45cyclictest4300-21diskmemload10:10:012
1157199543,44cyclictest4119-21ssh11:03:322
1157199543,12cyclictest0-21swapper/209:03:342
1157199542,9cyclictest0-21swapper/208:08:582
1157199542,45cyclictest1124-21snmpd06:43:112
1157099545,29cyclictest0-21swapper/109:49:021
11570995437,11cyclictest17066-21grep10:33:431
11570995435,12cyclictest20550-21grep08:59:081
1157099543,11cyclictest24209-21python09:54:051
11570995423,11cyclictest4300-21diskmemload09:23:491
71742533,11sleep00-21swapper/007:52:220
219499530,5rtkit-daemon2193-21rtkit-daemon09:38:431
219499530,5rtkit-daemon2193-21rtkit-daemon06:38:571
209662532,45sleep30-21swapper/306:07:093
1157299533,45cyclictest0-21swapper/310:18:483
1157199533,43cyclictest13203-21cpuspeed_turbos06:58:522
1157199533,42cyclictest21392-21open_inodes07:14:052
1157099538,30cyclictest0-21swapper/108:46:401
1157099535,28cyclictest0-21swapper/110:39:511
1157099535,28cyclictest0-21swapper/109:03:531
1157099535,28cyclictest0-21swapper/109:03:531
1157099535,28cyclictest0-21swapper/108:08:471
1157099535,28cyclictest0-21swapper/107:58:591
1157099535,26cyclictest7518-21yum08:39:111
1157099535,26cyclictest27620-21iostat10:48:511
1157099535,14cyclictest0-21swapper/110:32:491
1157099535,14cyclictest0-21swapper/110:32:491
1157099534,8cyclictest7190-21ls11:08:281
1157099534,28cyclictest0-21swapper/110:28:311
11570995338,9cyclictest1608-21cut06:34:001
11570995322,13cyclictest0-21swapper/106:49:011
11570995321,13cyclictest0-21swapper/109:47:091
11570995321,13cyclictest0-21swapper/109:47:091
11570995321,13cyclictest0-21swapper/107:18:391
11569995332,10cyclictest0-21swapper/008:47:490
11569995325,12cyclictest0-21swapper/010:43:530
11569995319,17cyclictest0-21swapper/010:36:460
11569995311,25cyclictest0-21swapper/007:59:050
293942522,43sleep00-21swapper/006:24:030
293942522,43sleep00-21swapper/006:24:030
280862522,43sleep00-21swapper/006:21:370
232062523,42sleep00-21swapper/007:18:570
219499520,5rtkit-daemon2193-21rtkit-daemon07:19:111
1157299523,42cyclictest29636-21munin-node07:34:103
1157299522,44cyclictest0-21swapper/306:09:023
1157199523,42cyclictest14230-21aten2.4-expect05:53:542
1157199523,41cyclictest0-21swapper/208:19:052
11571995218,10cyclictest17705-21munin-node07:09:072
1157099525,35cyclictest0-21swapper/108:54:541
1157099525,29cyclictest0-21swapper/106:14:131
1157099525,28cyclictest0-21swapper/108:50:421
1157099525,28cyclictest0-21swapper/107:48:521
1157099525,14cyclictest0-21swapper/108:22:541
1157099524,32cyclictest0-21swapper/109:34:341
1157099524,30cyclictest0-21swapper/109:18:471
1157099524,29cyclictest0-21swapper/110:43:461
1157099524,29cyclictest0-21swapper/107:43:541
1157099524,29cyclictest0-21swapper/107:43:541
1157099524,24cyclictest0-21swapper/110:13:391
11570995220,12cyclictest31313-21munin-node08:28:491
11570995217,22cyclictest29952-21fschecks_time10:03:491
1156999526,22cyclictest0-21swapper/011:15:010
1156999525,29cyclictest0-21swapper/006:09:080
1156999523,29cyclictest0-21swapper/010:48:520
11569995223,25cyclictest0-21swapper/008:22:530
11569995218,15cyclictest0-21swapper/008:53:570
11569995216,24cyclictest875-21telnet06:33:520
11569995210,35cyclictest0-21swapper/009:14:010
219499510,5rtkit-daemon2193-21rtkit-daemon08:36:081
219499510,5rtkit-daemon2193-21rtkit-daemon07:25:180
219499510,4rtkit-daemon2193-21rtkit-daemon07:02:111
131702513,41sleep10-21swapper/111:16:141
1157299513,10cyclictest9200-21chrt08:43:483
1157099516,30cyclictest0-21swapper/110:57:551
1157099516,26cyclictest22037-21diskstats08:13:531
1157099514,30cyclictest0-21swapper/109:13:481
1157099514,29cyclictest0-21swapper/109:08:351
1157099514,28cyclictest0-21swapper/107:28:481
11570995121,13cyclictest0-21swapper/107:38:501
1156999517,27cyclictest0-21swapper/009:50:280
1156999514,29cyclictest0-21swapper/010:39:070
1156999514,22cyclictest0-21swapper/010:29:240
1156999514,22cyclictest0-21swapper/010:29:240
11569995139,7cyclictest41ktimersoftd/009:23:560
11569995133,6cyclictest2292-21ssh08:33:390
1156999513,9cyclictest107550irq/46-eth011:08:110
11569995119,14cyclictest0-21swapper/007:33:590
11569995117,15cyclictest0-21swapper/009:18:520
11569995115,18cyclictest1547-21nscd08:08:470
219499500,5rtkit-daemon2193-21rtkit-daemon06:54:421
219499500,4rtkit-daemon2193-21rtkit-daemon08:04:091
1157299506,37cyclictest0-21swapper/306:48:393
1157299505,38cyclictest0-21swapper/307:03:493
1157299505,38cyclictest0-21swapper/307:03:493
1157299502,12cyclictest0-21swapper/305:54:133
1157199503,40cyclictest8315-21telnet06:48:512
11571995020,9cyclictest18708-21latency_hist06:03:412
1157099505,27cyclictest0-21swapper/107:08:481
1157099504,28cyclictest0-21swapper/107:24:011
1157099504,28cyclictest0-21swapper/105:59:151
11570995020,13cyclictest0-21swapper/108:23:541
11570995020,13cyclictest0-21swapper/108:23:541
1156999506,25cyclictest0-21swapper/008:13:480
1156999505,28cyclictest0-21swapper/007:43:500
1156999505,28cyclictest0-21swapper/007:43:500
1156999504,29cyclictest0-21swapper/006:53:510
1156999504,29cyclictest0-21swapper/006:44:020
11569995031,9cyclictest0-21swapper/005:54:250
1156999503,34cyclictest0-21swapper/007:00:070
1156999503,34cyclictest0-21swapper/006:42:290
11569995024,14cyclictest0-21swapper/006:03:180
290982492,9sleep20-21swapper/207:29:472
219499490,5rtkit-daemon2193-21rtkit-daemon07:28:550
150602492,9sleep30-21swapper/307:03:243
1157099495,26cyclictest0-21swapper/106:47:501
1157099495,13cyclictest0-21swapper/107:53:501
1157099494,27cyclictest0-21swapper/106:09:021
1157099494,13cyclictest0-21swapper/106:08:041
1156999494,28cyclictest0-21swapper/005:53:020
1156999493,28cyclictest0-21swapper/006:13:540
11569994917,14cyclictest0-21swapper/006:29:010
7792482,39sleep30-21swapper/307:39:033
197052482,9sleep30-21swapper/307:11:463
1157299483,39cyclictest361ktimersoftd/306:39:133
1157199484,28cyclictest0-21swapper/207:38:202
1157199482,42cyclictest0-21swapper/206:15:082
1157199482,41cyclictest0-21swapper/207:39:062
11571994819,9cyclictest28249-21latency_hist06:23:402
1157099486,26cyclictest0-21swapper/105:49:521
1157099484,27cyclictest0-21swapper/107:38:371
1156999483,28cyclictest0-21swapper/007:14:070
1156999483,28cyclictest0-21swapper/007:08:580
11569994828,9cyclictest0-21swapper/006:04:190
11569994818,13cyclictest0-21swapper/006:49:010
255442472,39sleep30-21swapper/306:14:353
114572474,38sleep00-21swapper/005:47:440
1157199469,22cyclictest16727-21sendmail_mailqu07:04:062
1157199469,22cyclictest16727-21sendmail_mailqu07:04:062
1157199463,37cyclictest30874-21munin-node06:29:102
40372452,9sleep20-21swapper/207:45:232
40372452,9sleep20-21swapper/207:45:232
1157299453,27cyclictest0-21swapper/307:23:593
1157199442,38cyclictest0-21swapper/206:24:062
1157199442,38cyclictest0-21swapper/206:24:062
1157199422,23cyclictest22479-21munin-node07:19:102
1028324111,17sleep10-21swapper/105:43:591
1157299403,31cyclictest0-21swapper/305:48:423
1157199393,30cyclictest0-21swapper/205:48:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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