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2026-08-30 - 23:28

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Sun Aug 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2134521640,11sleep22889899cyclictest06:32:222
2889699994,25cyclictest30194-21cpu09:32:111
2889699954,30cyclictest0-21swapper/108:27:001
2889699905,29cyclictest0-21swapper/108:47:151
28896996946,8cyclictest7150irq/45-ahci09:12:001
5322653,13sleep20-21swapper/207:57:242
2889999654,28cyclictest0-21swapper/309:42:183
2889399630,14cyclictest10585-21ssh09:51:450
184712634,51sleep30-21swapper/310:52:093
2889999624,41cyclictest0-21swapper/309:52:083
219499620,4rtkit-daemon2193-21rtkit-daemon10:08:503
2889399614,48cyclictest0-21swapper/009:17:110
2889399614,27cyclictest0-21swapper/010:47:140
219499610,5rtkit-daemon2193-21rtkit-daemon09:31:593
2889899603,21cyclictest27262-21ssh11:05:182
2889899603,21cyclictest27262-21ssh11:05:182
28898996027,26cyclictest0-21swapper/209:24:062
2889399606,32cyclictest5581-21unixbench_singl08:52:330
2889399606,32cyclictest5581-21unixbench_singl08:52:330
2889399606,26cyclictest0-21swapper/009:12:110
28899995915,27cyclictest0-21swapper/308:11:133
2889999584,14cyclictest1124-21snmpd06:47:173
2889999584,14cyclictest1124-21snmpd06:47:173
2889699586,28cyclictest25778-21cpuspeed_turbos06:42:181
2889399585,46cyclictest0-21swapper/010:22:190
28893995838,11cyclictest572-21cpuspeed_turbos08:47:130
28893995837,13cyclictest0-21swapper/007:57:170
2889399583,48cyclictest0-21swapper/010:11:560
68252573,46sleep20-21swapper/210:32:372
38442572,9sleep10-21swapper/109:41:081
38442572,9sleep10-21swapper/109:41:081
2889999575,28cyclictest0-21swapper/308:32:293
2889999574,27cyclictest0-21swapper/310:13:363
28899995720,10cyclictest5465-21sed10:32:113
2889899579,33cyclictest0-21swapper/208:27:132
2889899573,45cyclictest0-21swapper/210:07:062
28898995711,27cyclictest0-21swapper/209:32:322
2889699574,36cyclictest0-21swapper/110:32:081
28893995739,11cyclictest14419-21gltestperf06:17:260
28893995710,31cyclictest1240-21cpuspeed_turbos09:37:100
28893995710,31cyclictest1240-21cpuspeed_turbos09:37:100
219499570,6rtkit-daemon2193-21rtkit-daemon08:32:013
2889999565,42cyclictest0-21swapper/310:36:583
2889999565,32cyclictest0-21swapper/310:22:233
28899995642,8cyclictest18366-21gltestperf10:02:173
2889899567,40cyclictest0-21swapper/209:51:452
2889899564,44cyclictest1227-21runrttasks06:48:162
2889899564,44cyclictest1227-21runrttasks06:48:162
2889699568,25cyclictest0-21swapper/110:52:191
28896995627,13cyclictest0-21swapper/110:04:091
2889399568,41cyclictest23699-21grep08:32:200
2889399566,18cyclictest32757-21taskset09:35:490
2889399564,44cyclictest0-21swapper/007:47:270
2889399563,47cyclictest5538-21taskset07:07:180
28893995617,30cyclictest7415-21cstates08:57:140
28893995610,25cyclictest0-21swapper/010:19:390
28893995610,25cyclictest0-21swapper/010:19:390
182082563,11sleep30-21swapper/309:12:283
75272554,43sleep30-21swapper/307:12:143
2889999555,32cyclictest0-21swapper/310:01:573
2889999554,33cyclictest0-21swapper/308:02:243
28898995539,10cyclictest8220-21grep08:07:342
2889899553,44cyclictest0-21swapper/207:56:152
28898995519,22cyclictest21636-21diskmemload08:18:252
2889399558,31cyclictest18956-21rt-features10:02:270
2889399554,44cyclictest0-21swapper/008:42:150
2889399554,42cyclictest0-21swapper/008:27:150
28893995537,10cyclictest25614-21wc11:02:160
28893995537,10cyclictest25614-21wc11:02:160
2889399553,45cyclictest0-21swapper/008:12:160
2889399553,45cyclictest0-21swapper/008:12:160
28893995513,26cyclictest0-21swapper/008:26:380
28893995511,20cyclictest0-21swapper/009:22:120
265122553,45sleep326542-21latency06:42:283
219499550,6rtkit-daemon2193-21rtkit-daemon08:24:093
2889999544,36cyclictest0-21swapper/308:56:333
2889999544,36cyclictest0-21swapper/308:56:333
2889999544,34cyclictest0-21swapper/310:51:173
2889999544,30cyclictest0-21swapper/306:27:293
28899995421,14cyclictest0-21swapper/305:57:303
28899995416,20cyclictest19731-21kworker/3:009:37:093
28899995416,20cyclictest19731-21kworker/3:009:37:093
28898995438,9cyclictest22226-21gltestperf10:57:142
28898995434,12cyclictest2464-21grep10:27:152
2889699544,30cyclictest156862ssh08:20:461
2889699544,27cyclictest10041-21sadc09:01:591
2889399547,34cyclictest0-21swapper/008:18:420
2889399544,42cyclictest0-21swapper/007:52:210
28893995430,18cyclictest1547-21nscd07:45:240
28893995412,25cyclictest0-21swapper/008:02:130
28893995411,25cyclictest0-21swapper/009:07:280
248322547,40sleep10-21swapper/110:12:161
219499540,5rtkit-daemon2193-21rtkit-daemon10:25:042
219499540,5rtkit-daemon2193-21rtkit-daemon10:17:123
219499540,5rtkit-daemon2193-21rtkit-daemon10:17:123
219499540,5rtkit-daemon2193-21rtkit-daemon09:02:152
219499540,5rtkit-daemon2193-21rtkit-daemon08:42:162
185282544,42sleep20-21swapper/207:32:332
185282544,42sleep20-21swapper/207:32:332
71752532,9sleep30-21swapper/307:10:373
2889999535,29cyclictest0-21swapper/307:52:323
2889999535,28cyclictest0-21swapper/309:27:113
2889999535,27cyclictest0-21swapper/311:09:223
2889999535,26cyclictest0-21swapper/310:30:333
2889999534,30cyclictest0-21swapper/308:12:163
2889999534,30cyclictest0-21swapper/308:12:163
2889999534,29cyclictest0-21swapper/307:57:343
2889999534,26cyclictest0-21swapper/306:07:173
28899995321,13cyclictest22875-21python10:57:263
28899995321,13cyclictest0-21swapper/308:47:533
2889899534,41cyclictest0-21swapper/209:57:152
2889899533,43cyclictest0-21swapper/205:42:412
2889899533,22cyclictest0-21swapper/207:47:172
28898995314,32cyclictest0-21swapper/208:22:222
2889699534,31cyclictest0-21swapper/108:02:161
2889699534,30cyclictest0-21swapper/108:42:301
28896995321,13cyclictest0-21swapper/109:52:131
28896995310,27cyclictest0-21swapper/111:08:441
2889399537,30cyclictest22867-21mailstats10:57:250
2889399534,41cyclictest0-21swapper/010:12:100
2889399534,29cyclictest29337-21proc_pri11:07:240
180562532,43sleep10-21swapper/106:26:501
2889999525,29cyclictest0-21swapper/309:22:143
2889999525,28cyclictest0-21swapper/308:18:103
2889999525,27cyclictest0-21swapper/306:16:173
2889999525,26cyclictest0-21swapper/309:49:033
2889999524,28cyclictest0-21swapper/308:37:233
2889999524,26cyclictest0-21swapper/307:47:083
2889999523,34cyclictest0-21swapper/310:42:533
28899995221,13cyclictest0-21swapper/308:46:073
28899995220,13cyclictest0-21swapper/307:22:293
28899995220,13cyclictest0-21swapper/306:52:163
28899995218,14cyclictest0-21swapper/307:02:253
28899995218,13cyclictest0-21swapper/306:37:273
2889899523,42cyclictest0-21swapper/208:47:552
2889899523,35cyclictest0-21swapper/210:37:022
28898995214,24cyclictest0-21swapper/209:07:042
2889699524,44cyclictest0-21swapper/109:18:471
28896995225,22cyclictest0-21swapper/110:39:381
28896995222,11cyclictest1227-21runrttasks10:47:231
2889399525,31cyclictest29187-21munin-run08:41:590
2889399525,28cyclictest0-21swapper/007:32:290
2889399525,28cyclictest0-21swapper/007:32:290
2889399524,41cyclictest0-21swapper/009:46:570
2889399524,29cyclictest0-21swapper/006:57:040
2889399524,28cyclictest12214-21ntp_kernel_pll_09:52:220
2889399523,28cyclictest15298-21ssh09:57:200
2889399523,15cyclictest5048-21kworker/0:010:38:370
28893995225,22cyclictest0-21swapper/010:51:580
28893995222,12cyclictest0-21swapper/006:32:040
28893995221,12cyclictest0-21swapper/005:52:060
28893995212,33cyclictest8830-21chrt06:07:170
274322524,7sleep00-21swapper/005:37:240
219499520,5rtkit-daemon2193-21rtkit-daemon09:06:073
219499520,5rtkit-daemon2193-21rtkit-daemon08:13:392
219499520,5rtkit-daemon2193-21rtkit-daemon08:13:392
2889999515,28cyclictest0-21swapper/307:27:253
2889999515,26cyclictest0-21swapper/307:42:143
2889999514,29cyclictest0-21swapper/307:32:133
2889999514,29cyclictest0-21swapper/307:32:133
2889999514,28cyclictest0-21swapper/309:07:123
2889999514,28cyclictest0-21swapper/307:37:383
2889999514,28cyclictest0-21swapper/307:17:183
2889999514,28cyclictest0-21swapper/306:02:343
2889999514,28cyclictest0-21swapper/306:02:343
2889999514,28cyclictest0-21swapper/305:52:323
2889999514,28cyclictest0-21swapper/305:48:213
2889999514,27cyclictest0-21swapper/306:26:203
28899995133,11cyclictest25566-21sed11:02:153
28899995133,11cyclictest25566-21sed11:02:153
28899995119,14cyclictest0-21swapper/308:57:303
28899995119,12cyclictest0-21swapper/309:17:073
28899995118,13cyclictest0-21swapper/306:32:153
2889899514,41cyclictest0-21swapper/210:48:222
2889899513,43cyclictest0-21swapper/210:02:242
2889899513,42cyclictest0-21swapper/209:12:182
2889899513,42cyclictest0-21swapper/206:46:512
2889699515,40cyclictest0-21swapper/109:12:121
2889699515,29cyclictest0-21swapper/107:02:261
2889699514,39cyclictest0-21swapper/107:47:251
2889699514,29cyclictest0-21swapper/107:52:341
2889699514,28cyclictest0-21swapper/109:46:581
2889699514,28cyclictest0-21swapper/108:12:241
2889699514,28cyclictest0-21swapper/108:12:241
28896995135,11cyclictest0-21swapper/110:26:321
2889699513,27cyclictest14838-21ssh09:57:151
28896995122,12cyclictest0-21swapper/109:23:001
28896995121,13cyclictest0-21swapper/108:27:201
28896995121,13cyclictest0-21swapper/106:02:271
28896995121,13cyclictest0-21swapper/106:02:271
2889399519,35cyclictest2450-21grep10:27:150
2889399518,36cyclictest0-21swapper/006:22:140
2889399514,25cyclictest0-21swapper/008:11:010
2889399514,16cyclictest0-21swapper/007:12:220
28893995135,9cyclictest20359-21grep07:37:220
28893995124,12cyclictest0-21swapper/009:29:200
219499510,5rtkit-daemon2193-21rtkit-daemon08:52:232
219499510,5rtkit-daemon2193-21rtkit-daemon08:52:232
219499510,4rtkit-daemon2193-21rtkit-daemon08:37:162
114482512,9sleep20-21swapper/210:41:562
2889999504,27cyclictest0-21swapper/305:42:403
2889899507,34cyclictest0-21swapper/209:01:512
2889899505,39cyclictest3437-21sh08:02:172
2889699505,27cyclictest0-21swapper/109:27:221
2889699505,27cyclictest0-21swapper/109:02:101
2889699505,25cyclictest27924-21diskstats10:17:121
2889699505,25cyclictest27924-21diskstats10:17:121
2889699505,13cyclictest0-21swapper/110:42:561
2889699504,28cyclictest0-21swapper/108:07:181
2889699504,28cyclictest0-21swapper/106:32:211
2889699504,27cyclictest0-21swapper/107:27:031
2889699504,27cyclictest0-21swapper/106:52:051
2889699504,27cyclictest0-21swapper/106:52:051
28896995024,12cyclictest0-21swapper/105:57:391
28896995019,24cyclictest0-21swapper/108:52:081
28896995019,24cyclictest0-21swapper/108:52:081
28896995011,25cyclictest1227-21runrttasks08:32:421
2889399508,26cyclictest0-21swapper/010:42:080
2889399505,27cyclictest0-21swapper/009:02:120
2889399504,38cyclictest0-21swapper/010:32:070
2889399504,27cyclictest0-21swapper/005:57:410
28893995020,12cyclictest0-21swapper/006:41:320
251072502,41sleep10-21swapper/111:02:111
251072502,41sleep10-21swapper/111:02:111
28899994924,9cyclictest107550irq/46-eth006:17:183
2889899494,28cyclictest0-21swapper/209:42:132
2889899494,27cyclictest0-21swapper/206:37:282
28898994934,9cyclictest19162-21grep06:27:252
2889899493,42cyclictest0-21swapper/210:12:292
2889899493,41cyclictest0-21swapper/210:20:432
2889899493,41cyclictest0-21swapper/210:20:432
2889899493,41cyclictest0-21swapper/209:17:102
2889899493,40cyclictest0-21swapper/211:11:152
2889899493,40cyclictest0-21swapper/206:26:432
2889899493,30cyclictest0-21swapper/208:35:502
2889899493,28cyclictest0-21swapper/205:56:032
2889899493,26cyclictest0-21swapper/205:57:372
2889899492,42cyclictest0-21swapper/210:56:442
2889699499,10cyclictest18-21rcuc/107:32:311
2889699499,10cyclictest18-21rcuc/107:32:311
2889699495,26cyclictest0-21swapper/108:37:431
2889699494,39cyclictest0-21swapper/110:07:111
2889699494,38cyclictest0-21swapper/107:42:171
2889699494,28cyclictest0-21swapper/110:27:201
2889699494,27cyclictest0-21swapper/107:57:151
2889399498,25cyclictest0-21swapper/006:42:170
2889399496,37cyclictest0-21swapper/007:21:270
2889399494,39cyclictest0-21swapper/007:22:150
2889399494,27cyclictest0-21swapper/005:42:340
2889399493,39cyclictest0-21swapper/005:52:240
28893994919,13cyclictest0-21swapper/006:47:330
28893994919,13cyclictest0-21swapper/006:47:330
203702492,9sleep10-21swapper/106:30:571
154132493,39sleep20-21swapper/207:27:212
2889999485,25cyclictest0-21swapper/307:00:173
2889899483,39cyclictest8963-21mailstats07:12:342
2889899483,27cyclictest0-21swapper/207:02:382
2889699485,26cyclictest0-21swapper/109:47:081
2889699484,28cyclictest0-21swapper/107:27:351
2889699484,28cyclictest0-21swapper/106:52:271
2889699484,27cyclictest0-21swapper/110:59:001
2889699484,27cyclictest0-21swapper/107:12:181
2889699484,27cyclictest0-21swapper/105:52:181
2889699484,27cyclictest0-21swapper/105:47:231
2889699484,26cyclictest0-21swapper/106:41:211
2889699484,26cyclictest0-21swapper/106:07:321
2889399489,33cyclictest16854-21munin-run07:32:020
2889399488,33cyclictest0-21swapper/006:02:200
2889399488,33cyclictest0-21swapper/006:02:200
2889399484,26cyclictest0-21swapper/006:57:190
134862482,9sleep20-21swapper/209:55:162
129902483,9sleep00-21swapper/006:13:020
69822472,39sleep10-21swapper/107:08:051
46902473,9sleep00-21swapper/007:04:170
2889899474,25cyclictest0-21swapper/206:02:282
2889899474,25cyclictest0-21swapper/206:02:282
2889899473,27cyclictest0-21swapper/207:42:372
2889899473,27cyclictest0-21swapper/207:07:192
2889899472,33cyclictest0-21swapper/206:52:342
28898994719,21cyclictest0-21swapper/209:37:092
28898994719,21cyclictest0-21swapper/209:37:092
2889699474,26cyclictest0-21swapper/107:01:251
2889699474,26cyclictest0-21swapper/106:21:181
2889699474,25cyclictest0-21swapper/105:42:211
2889899464,26cyclictest0-21swapper/207:17:192
28898994630,10cyclictest13858-21cpuspeed_turbos06:17:202
2889899463,38cyclictest0-21swapper/205:48:192
28898994627,13cyclictest0-21swapper/209:27:182
28898994622,9cyclictest32651-21munin-node06:57:362
28898994620,20cyclictest144092sleep207:26:282
28896994516,13cyclictest0-21swapper/107:17:191
28896994515,13cyclictest0-21swapper/107:37:291
129812452,37sleep10-21swapper/106:12:551
2889399445,9cyclictest107550irq/46-eth006:32:170
28898994329,9cyclictest11950-21fschecks_time06:12:252
28898994328,9cyclictest21148-21unixbench-2d07:37:362
2889699437,23cyclictest0-21swapper/105:42:061
288322423,32sleep20-21swapper/205:41:442
2889899403,31cyclictest0-21swapper/206:07:292
28899993918,9cyclictest0-21swapper/305:42:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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