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2026-04-21 - 03:54

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 Tue Apr 21, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1355421120,6sleep00-21swapper/020:14:210
2485991070,19rtkit-daemon17754-21fschecks_time21:09:100
220602970,4sleep222063-21sh19:39:202
248599920,6rtkit-daemon19234-21fschecks_time21:59:080
707199913,80cyclictest25964-21gltestperf18:54:163
234512910,13sleep015-21rcuc/020:29:170
707199894,78cyclictest0-21swapper/318:14:253
707199894,65cyclictest0-21swapper/321:50:203
707199894,62cyclictest0-21swapper/320:18:543
707199884,77cyclictest7385-21cpuspeed_turbos19:19:103
248599880,31rtkit-daemon7057-21cyclictest22:06:380
707199874,65cyclictest0-21swapper/321:57:263
707199874,63cyclictest0-21swapper/319:59:193
707199873,75cyclictest12133-21unixbench_singl20:59:263
707199873,75cyclictest12133-21unixbench_singl20:59:263
707199864,75cyclictest0-21swapper/321:23:503
707199864,73cyclictest19476-21ssh20:24:103
707199864,66cyclictest0-21swapper/322:30:203
707199863,76cyclictest3534-21munin-node20:49:173
707199863,76cyclictest0-21swapper/317:19:173
707199855,73cyclictest0-21swapper/317:30:433
707199854,74cyclictest0-21swapper/322:14:213
707199854,74cyclictest0-21swapper/322:14:213
707199854,74cyclictest0-21swapper/322:03:083
707199854,73cyclictest0-21swapper/321:44:223
707199854,72cyclictest0-21swapper/320:44:023
707199853,75cyclictest6042-21iostat_ios21:39:133
707199853,74cyclictest0-21swapper/319:37:283
707199853,62cyclictest320991diskmemload20:43:493
248599850,24rtkit-daemon2822-21ssh20:47:180
707199847,56cyclictest0-21swapper/320:04:193
707199844,73cyclictest0-21swapper/321:29:223
707199844,72cyclictest31632-21df_inode19:54:113
707199844,61cyclictest0-21swapper/319:49:003
707199844,57cyclictest0-21swapper/317:24:293
707199843,74cyclictest18415-21open_inodes21:09:213
707199843,71cyclictest0-21swapper/319:11:043
248599840,28rtkit-daemon27995-21ssh22:12:370
248599840,28rtkit-daemon2484-21rtkit-daemon17:14:343
248599840,25rtkit-daemon0-21swapper/121:56:450
707199834,73cyclictest0-21swapper/322:05:453
707199834,72cyclictest0-21swapper/320:19:183
707199834,72cyclictest0-21swapper/320:19:183
707199833,65cyclictest4909-21ntp_offset19:14:253
707199833,46cyclictest121850irq/46-eth020:37:453
248599830,5rtkit-daemon2484-21rtkit-daemon20:44:032
707199824,71cyclictest0-21swapper/322:27:093
707199824,71cyclictest0-21swapper/321:15:173
707199824,71cyclictest0-21swapper/319:44:093
707199824,71cyclictest0-21swapper/319:44:093
707199824,71cyclictest0-21swapper/317:59:303
707199824,70cyclictest0-21swapper/319:28:563
707199824,62cyclictest0-21swapper/320:58:533
707199824,60cyclictest0-21swapper/320:30:533
707199824,57cyclictest0-21swapper/321:05:363
707199823,62cyclictest0-21swapper/319:30:523
248599820,24rtkit-daemon7938-21fschecks_count17:09:190
707199816,55cyclictest0-21swapper/321:38:173
707199816,55cyclictest0-21swapper/321:38:173
707199814,70cyclictest0-21swapper/319:39:333
707199814,59cyclictest0-21swapper/322:22:333
707199814,59cyclictest0-21swapper/322:22:333
707199813,71cyclictest28899-21unixbench-2d21:24:253
707199813,46cyclictest27298-21runrttasks22:10:043
248599810,26rtkit-daemon0-21swapper/122:28:370
248599810,26rtkit-daemon0-21swapper/122:19:150
248599810,26rtkit-daemon0-21swapper/122:19:150
707199804,69cyclictest0-21swapper/318:59:093
707199804,60cyclictest0-21swapper/318:19:103
707199804,56cyclictest21402-21iostat_ios18:44:193
248599800,6rtkit-daemon0-21swapper/020:59:250
248599800,6rtkit-daemon0-21swapper/020:59:250
248599800,28rtkit-daemon0-21swapper/122:17:450
248599800,28rtkit-daemon0-21swapper/122:17:450
707199793,68cyclictest12359-21sshd22:36:533
707199793,59cyclictest9401-21munin-node20:09:103
248599790,24rtkit-daemon5201-21timerwakeupswit20:49:260
707199784,66cyclictest0-21swapper/319:08:563
707199784,66cyclictest0-21swapper/319:08:563
707199783,66cyclictest15774-21cpu18:34:113
248599780,5rtkit-daemon2484-21rtkit-daemon18:24:463
707199774,66cyclictest0-21swapper/317:34:173
707199773,47cyclictest7878-21forks17:09:193
707199754,55cyclictest0-21swapper/317:54:103
707199734,63cyclictest0-21swapper/318:04:273
707199734,62cyclictest0-21swapper/317:54:003
707199733,63cyclictest14153-21munin-node18:29:213
707199733,63cyclictest14153-21munin-node18:29:213
248599730,20rtkit-daemon0-21swapper/122:34:062
707199724,47cyclictest0-21swapper/317:44:173
707199723,62cyclictest19715-21tail18:39:303
707199723,59cyclictest3726-21stty18:09:103
707199714,60cyclictest0-21swapper/318:53:543
707199704,58cyclictest0-21swapper/317:43:593
248599670,5rtkit-daemon2484-21rtkit-daemon21:37:392
248599670,5rtkit-daemon2484-21rtkit-daemon21:37:392
248599670,5rtkit-daemon2484-21rtkit-daemon19:57:132
248599660,5rtkit-daemon2484-21rtkit-daemon19:37:512
195726618,41sleep22058-21sh18:04:192
707099654,53cyclictest0-21swapper/221:44:112
707099654,53cyclictest0-21swapper/219:14:162
707099654,53cyclictest0-21swapper/219:09:192
248599640,6rtkit-daemon8603-21timerwakeupswit20:54:250
707099634,51cyclictest0-21swapper/221:09:092
707099634,51cyclictest0-21swapper/220:32:562
7068996344,13cyclictest0-21swapper/120:14:051
248599630,8rtkit-daemon18-21rcuc/122:32:440
707099625,47cyclictest29088-21munin-node20:39:102
707099624,50cyclictest0-21swapper/219:24:262
707099624,33cyclictest0-21swapper/220:01:172
707099615,48cyclictest0-21swapper/219:51:012
707099615,37cyclictest0-21swapper/221:39:072
707099614,50cyclictest0-21swapper/221:29:272
707099614,50cyclictest0-21swapper/220:04:182
707099614,50cyclictest0-21swapper/217:19:232
707099614,49cyclictest0-21swapper/220:34:142
707099614,49cyclictest0-21swapper/219:44:452
707099614,49cyclictest0-21swapper/219:44:452
707099614,49cyclictest0-21swapper/219:22:322
707099614,48cyclictest26298-21ssh22:09:122
707099614,47cyclictest16189-21ssh20:19:102
707099614,47cyclictest16189-21ssh20:19:102
707099613,49cyclictest0-21swapper/220:59:212
707099613,49cyclictest0-21swapper/220:59:212
7068996140,14cyclictest0-21swapper/120:09:171
707199604,49cyclictest0-21swapper/317:09:023
707199604,49cyclictest0-21swapper/317:09:023
707099607,43cyclictest14796-21yum-updatesd-he21:54:002
707099605,36cyclictest1419-21runrttasks20:26:542
707099604,50cyclictest0-21swapper/222:24:202
707099604,50cyclictest0-21swapper/221:53:192
707099604,50cyclictest0-21swapper/220:49:132
707099604,49cyclictest0-21swapper/218:49:142
707099602,52cyclictest0-21swapper/222:15:462
707099602,52cyclictest0-21swapper/222:15:462
7068996039,14cyclictest0-21swapper/117:19:241
248599600,6rtkit-daemon0-21swapper/121:52:310
168242603,10sleep00-21swapper/018:34:250
7068995921,32cyclictest1372-21unixbench_singl22:19:241
7068995921,32cyclictest1372-21unixbench_singl22:19:241
706399594,48cyclictest0-21swapper/020:24:220
219552593,12sleep20-21swapper/222:04:022
190782594,47sleep00-21swapper/019:34:270
7070995840,11cyclictest27303-21crond18:58:562
707099584,47cyclictest0-21swapper/222:18:572
707099584,47cyclictest0-21swapper/222:18:572
707099584,46cyclictest0-21swapper/221:58:542
707099584,36cyclictest0-21swapper/220:16:212
707099582,50cyclictest0-21swapper/217:34:312
7068995842,10cyclictest0-21swapper/120:24:281
7068995837,14cyclictest0-21swapper/121:24:061
315692582,49sleep10-21swapper/120:41:401
275442583,10sleep027612-21aten_r1power_en18:59:080
248599580,5rtkit-daemon0-21swapper/121:04:470
707099574,46cyclictest0-21swapper/220:13:232
707099572,9cyclictest0-21swapper/221:16:452
706899575,45cyclictest0-21swapper/122:04:161
706899573,47cyclictest0-21swapper/120:29:561
7068995728,11cyclictest3447-21uptime21:34:241
7068995728,11cyclictest3447-21uptime21:34:241
7063995726,13cyclictest0-21swapper/021:14:050
55012573,47sleep10-21swapper/120:49:471
248599570,7rtkit-daemon0-21swapper/321:26:172
707099564,46cyclictest0-21swapper/221:19:142
707099564,46cyclictest0-21swapper/220:56:092
7068995641,8cyclictest11147-21diskstats19:24:131
7068995640,9cyclictest9445-21latency21:44:131
7068995639,11cyclictest0-21swapper/119:19:121
7068995637,13cyclictest0-21swapper/121:33:231
7068995636,13cyclictest0-21swapper/120:44:201
706399564,42cyclictest8693-21cpuspeed_turbos21:44:030
7063995625,24cyclictest0-21swapper/019:50:360
151622563,45sleep20-21swapper/221:04:232
92842553,45sleep20-21swapper/217:12:032
707099554,26cyclictest28524-21yum-updatesd-he17:54:112
706899559,39cyclictest15344-21nscd21:54:011
7068995539,10cyclictest1419-21runrttasks19:47:211
7068995539,10cyclictest1419-21runrttasks19:47:211
7068995538,10cyclictest14886-21rm19:29:151
7068995536,13cyclictest0-21swapper/119:16:241
706899553,44cyclictest18881-21sort20:23:541
706899553,44cyclictest18881-21sort20:23:541
706399558,39cyclictest9328-21df_abs20:09:090
706399555,43cyclictest0-21swapper/019:59:080
7063995520,22cyclictest23876-21aten_r1power_fr21:19:030
7942542,11sleep20-21swapper/218:03:072
77012543,44sleep10-21swapper/120:05:401
707099543,36cyclictest0-21swapper/219:31:442
7070995419,14cyclictest0-21swapper/218:48:562
706899544,43cyclictest0-21swapper/122:29:031
706399548,38cyclictest0-21swapper/019:14:300
248599540,5rtkit-daemon17530-21taskset18:36:012
7972533,9sleep00-21swapper/018:03:090
707099536,39cyclictest0-21swapper/218:14:112
707099534,29cyclictest0-21swapper/218:39:272
707099534,15cyclictest0-21swapper/222:29:002
7070995320,13cyclictest0-21swapper/218:59:292
706899535,42cyclictest0-21swapper/119:39:081
706899534,41cyclictest0-21swapper/121:19:091
706899534,26cyclictest0-21swapper/117:39:121
7068995336,11cyclictest21296-21gltestperf21:14:121
7068995335,11cyclictest1287-21snmpd22:36:331
706899533,30cyclictest0-21swapper/119:49:161
7068995326,12cyclictest0-21swapper/120:54:201
706399534,41cyclictest6850-21ssh21:39:260
706399534,13cyclictest0-21swapper/019:29:150
706399534,10cyclictest1287-21snmpd20:19:140
706399534,10cyclictest1287-21snmpd20:19:140
7063995315,30cyclictest27690-21df_abs21:24:080
265452533,43sleep126660-21cpuspeed_turbos17:49:151
148182535,11sleep10-21swapper/121:53:491
121722533,44sleep00-21swapper/022:36:130
101462533,10sleep00-21swapper/019:23:310
74902523,10sleep00-21swapper/018:14:290
707099524,13cyclictest0-21swapper/218:10:492
7070995223,14cyclictest0-21swapper/217:29:172
706899525,41cyclictest0-21swapper/120:38:531
706899524,39cyclictest0-21swapper/121:09:031
7068995236,11cyclictest0-21swapper/120:03:241
7068995233,11cyclictest6906-21gltestperf18:14:181
7068995231,15cyclictest0-21swapper/121:43:001
706899523,44cyclictest0-21swapper/122:10:291
706399525,29cyclictest0-21swapper/019:24:160
706399524,12cyclictest0-21swapper/019:44:090
706399524,12cyclictest0-21swapper/019:44:090
7063995232,12cyclictest27270-21sed17:49:210
7063995226,12cyclictest0-21swapper/020:08:390
288642522,10sleep10-21swapper/118:59:251
165632523,9sleep00-21swapper/017:28:300
7070995131,13cyclictest9131-21grep18:19:172
706899514,40cyclictest0-21swapper/119:54:281
706899514,32cyclictest0-21swapper/122:16:091
706899514,32cyclictest0-21swapper/122:16:091
706899514,28cyclictest0-21swapper/118:08:591
706899513,32cyclictest9728-21cut17:14:111
706899513,18cyclictest0-21swapper/121:08:521
706399515,14cyclictest0-21swapper/019:54:140
706399514,41cyclictest0-21swapper/019:39:100
52732512,43sleep10-21swapper/122:25:381
144522512,40sleep20-21swapper/217:24:122
105892513,10sleep00-21swapper/018:23:570
7070995032,10cyclictest27180-21tune2fs17:49:202
706899504,39cyclictest0-21swapper/121:59:111
706899504,39cyclictest0-21swapper/118:53:571
706899504,29cyclictest0-21swapper/118:34:291
706899504,28cyclictest0-21swapper/117:29:231
7068995019,13cyclictest0-21swapper/118:54:091
706399505,28cyclictest0-21swapper/020:39:170
706399504,38cyclictest0-21swapper/017:44:110
706399504,28cyclictest0-21swapper/017:14:120
706399504,27cyclictest0-21swapper/017:59:000
706399504,26cyclictest0-21swapper/021:34:110
706399504,26cyclictest0-21swapper/021:34:110
7063995024,12cyclictest0-21swapper/019:09:570
33972503,40sleep00-21swapper/018:08:410
318592502,42sleep10-21swapper/119:05:581
318592502,42sleep10-21swapper/119:05:581
139072503,41sleep00-21swapper/017:20:030
707099494,26cyclictest0-21swapper/217:15:402
706899495,27cyclictest0-21swapper/117:54:111
706899494,26cyclictest0-21swapper/117:44:091
7068994935,9cyclictest3123-21rm19:13:281
706899493,39cyclictest11618-21ntp_offset20:59:191
706899493,39cyclictest11618-21ntp_offset20:59:191
706399494,38cyclictest0-21swapper/021:29:140
706399494,28cyclictest0-21swapper/019:04:290
706399494,28cyclictest0-21swapper/019:04:290
706399494,27cyclictest0-21swapper/017:29:340
7063994919,12cyclictest0-21swapper/020:34:230
227572493,39sleep00-21swapper/018:49:000
224772493,10sleep00-21swapper/018:48:190
707099484,28cyclictest0-21swapper/218:29:222
707099484,28cyclictest0-21swapper/218:29:222
707099483,27cyclictest0-21swapper/217:39:222
706899484,28cyclictest0-21swapper/118:09:341
7068994832,11cyclictest0-21swapper/119:34:161
706399484,28cyclictest0-21swapper/018:10:370
7063994817,13cyclictest0-21swapper/017:44:000
707099473,25cyclictest0-21swapper/219:04:092
707099473,25cyclictest0-21swapper/219:04:092
706899474,27cyclictest0-21swapper/118:00:471
7068994732,9cyclictest10830-21munin-node18:24:091
7068994732,10cyclictest0-21swapper/117:24:271
706899473,38cyclictest9321-21gltestperf18:19:191
7068994721,19cyclictest8010-21fschecks_time17:09:201
706399475,34cyclictest0-21swapper/018:26:010
48762474,6sleep00-21swapper/017:04:050
48762474,6sleep00-21swapper/017:04:050
199172473,37sleep00-21swapper/018:41:020
152632473,38sleep00-21swapper/018:32:390
152632473,38sleep00-21swapper/018:32:390
707099464,23cyclictest0-21swapper/217:44:102
706899464,34cyclictest0-21swapper/118:29:121
706899464,34cyclictest0-21swapper/118:29:121
7068994631,9cyclictest19915-21sshd18:41:001
270502463,38sleep00-21swapper/018:55:410
127372462,10sleep20-21swapper/218:25:522
706399454,23cyclictest0-21swapper/017:34:120
224012442,36sleep10-21swapper/118:47:201
706899433,34cyclictest0-21swapper/117:34:351
707099414,29cyclictest0-21swapper/217:09:012
707099414,29cyclictest0-21swapper/217:09:012
248599370,6rtkit-daemon2484-21rtkit-daemon17:04:191
248599370,6rtkit-daemon2484-21rtkit-daemon17:04:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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