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2026-03-21 - 15:43

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #8

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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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackcslot8s.osadl.org (updated Sat Mar 21, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28332880,1sleep12837-21cpuspeed_turbos07:05:101
452826655,6sleep40-21swapper/407:09:554
111391630,30ptp4l0-21swapper/007:05:210
322352620,0sleep30-21swapper/308:05:203
322352620,0sleep30-21swapper/308:05:193
134002570,0sleep60-21swapper/611:50:006
406025532,7sleep20-21swapper/207:05:212
453425141,6sleep60-21swapper/607:09:586
434825039,6sleep70-21swapper/707:07:417
449924736,7sleep30-21swapper/307:09:383
111391460,6ptp4l0-21swapper/507:05:155
111391380,0ptp4l0-21swapper/011:30:110
111391350,0ptp4l0-21swapper/409:31:234
111391340,0ptp4l0-21swapper/411:15:134
111391340,0ptp4l0-21swapper/411:13:224
111391340,0ptp4l0-21swapper/409:35:114
111391330,0ptp4l0-21swapper/510:02:215
111391330,0ptp4l0-21swapper/409:25:204
111391330,0ptp4l0-21swapper/109:53:541
111391330,0ptp4l0-21swapper/011:05:370
111391330,0ptp4l0-21swapper/008:50:120
111391320,0ptp4l0-21swapper/509:57:405
111391320,0ptp4l0-21swapper/509:42:515
111391320,0ptp4l0-21swapper/412:07:304
111391320,0ptp4l0-21swapper/408:45:224
111391320,0ptp4l0-21swapper/110:04:581
111391320,0ptp4l0-21swapper/109:33:121
111391320,0ptp4l0-21swapper/012:12:370
111391310,4ptp4l0-21swapper/109:20:151
111391310,0ptp4l0-21swapper/509:20:135
111391310,0ptp4l0-21swapper/411:02:234
111391310,0ptp4l0-21swapper/410:11:194
111391310,0ptp4l0-21swapper/112:06:571
111391310,0ptp4l0-21swapper/009:19:220
111391310,0ptp4l0-21swapper/008:45:510
111391310,0ptp4l0-21swapper/008:30:280
111391300,3ptp4l0-21swapper/511:58:475
111391300,3ptp4l0-21swapper/108:35:191
111391300,1ptp4l5159-21ssh12:22:544
111391300,1ptp4l27910-21diskmemload09:59:161
111391300,0ptp4l27910-21diskmemload12:29:084
111391300,0ptp4l0-21swapper/412:10:154
111391300,0ptp4l0-21swapper/411:34:074
111391300,0ptp4l0-21swapper/410:22:134
111391300,0ptp4l0-21swapper/410:16:204
111391300,0ptp4l0-21swapper/410:00:024
111391300,0ptp4l0-21swapper/409:46:354
111391300,0ptp4l0-21swapper/408:55:174
111391300,0ptp4l0-21swapper/110:52:001
111391300,0ptp4l0-21swapper/109:42:561
111391300,0ptp4l0-21swapper/012:35:220
111391300,0ptp4l0-21swapper/011:22:320
111391290,3ptp4l0-21swapper/009:46:190
111391290,0ptp4l0-21swapper/512:12:115
111391290,0ptp4l0-21swapper/512:05:055
111391290,0ptp4l0-21swapper/409:20:094
111391290,0ptp4l0-21swapper/112:34:341
111391290,0ptp4l0-21swapper/011:36:410
111391290,0ptp4l0-21swapper/010:57:170
111391290,0ptp4l0-21swapper/010:10:340
111391290,0ptp4l0-21swapper/010:09:120
111391290,0ptp4l0-21swapper/009:29:340
111391280,3ptp4l481ktimersoftd/412:18:134
111391280,2ptp4l0-21swapper/012:16:170
111391280,1ptp4l241ktimersoftd/107:40:141
111391280,0ptp4l0-21swapper/511:19:275
111391280,0ptp4l0-21swapper/510:22:295
111391280,0ptp4l0-21swapper/509:50:165
111391280,0ptp4l0-21swapper/411:50:114
111391280,0ptp4l0-21swapper/410:31:304
111391280,0ptp4l0-21swapper/112:38:281
111391280,0ptp4l0-21swapper/111:20:301
111391280,0ptp4l0-21swapper/111:16:341
111391280,0ptp4l0-21swapper/011:47:150
111391280,0ptp4l0-21swapper/011:11:170
111391280,0ptp4l0-21swapper/011:00:550
111391280,0ptp4l0-21swapper/010:27:370
111391270,2ptp4l0-21swapper/510:12:485
111391270,0ptp4l0-21swapper/510:59:015
111391270,0ptp4l0-21swapper/510:18:505
111391270,0ptp4l0-21swapper/509:33:115
111391270,0ptp4l0-21swapper/412:37:114
111391270,0ptp4l0-21swapper/411:49:424
111391270,0ptp4l0-21swapper/410:09:404
111391270,0ptp4l0-21swapper/407:14:084
111391270,0ptp4l0-21swapper/111:58:351
111391270,0ptp4l0-21swapper/111:46:201
111391270,0ptp4l0-21swapper/111:10:471
111391270,0ptp4l0-21swapper/109:10:381
111391270,0ptp4l0-21swapper/012:01:170
111391270,0ptp4l0-21swapper/011:56:020
111391270,0ptp4l0-21swapper/010:47:490
111391270,0ptp4l0-21swapper/010:31:540
111391270,0ptp4l0-21swapper/009:34:300
111391260,3ptp4l0-21swapper/012:09:520
111391260,3ptp4l0-21swapper/009:50:560
111391260,2ptp4l0-21swapper/010:24:360
111391260,0ptp4l0-21swapper/612:39:476
111391260,0ptp4l0-21swapper/507:48:225
111391260,0ptp4l0-21swapper/507:30:405
111391260,0ptp4l0-21swapper/411:35:154
111391260,0ptp4l0-21swapper/410:43:384
111391260,0ptp4l0-21swapper/410:43:384
111391260,0ptp4l0-21swapper/409:58:454
111391260,0ptp4l0-21swapper/409:41:004
111391260,0ptp4l0-21swapper/409:16:524
111391260,0ptp4l0-21swapper/408:02:034
111391260,0ptp4l0-21swapper/408:02:024
111391260,0ptp4l0-21swapper/109:25:401
111391260,0ptp4l0-21swapper/109:19:361
111391260,0ptp4l0-21swapper/107:55:151
111391260,0ptp4l0-21swapper/012:30:220
111391260,0ptp4l0-21swapper/010:50:410
111391260,0ptp4l0-21swapper/010:43:340
111391260,0ptp4l0-21swapper/010:43:340
111391260,0ptp4l0-21swapper/009:12:510
111391260,0ptp4l0-21swapper/008:02:450
111391260,0ptp4l0-21swapper/008:02:440
111391250,2ptp4l22893-21timerandwakeup07:45:190
111391250,1ptp4l13916-21fw_conntrack11:50:125
111391250,0ptp4l0-21swapper/511:44:395
111391250,0ptp4l0-21swapper/511:01:455
111391250,0ptp4l0-21swapper/510:50:085
111391250,0ptp4l0-21swapper/510:38:145
111391250,0ptp4l0-21swapper/508:35:125
111391250,0ptp4l0-21swapper/508:07:545
111391250,0ptp4l0-21swapper/508:07:545
111391250,0ptp4l0-21swapper/508:00:105
111391250,0ptp4l0-21swapper/508:00:095
111391250,0ptp4l0-21swapper/507:15:185
111391250,0ptp4l0-21swapper/507:14:555
111391250,0ptp4l0-21swapper/412:30:264
111391250,0ptp4l0-21swapper/412:02:164
111391250,0ptp4l0-21swapper/407:20:104
111391250,0ptp4l0-21swapper/210:21:032
111391250,0ptp4l0-21swapper/112:15:181
111391250,0ptp4l0-21swapper/110:15:421
111391250,0ptp4l0-21swapper/108:51:281
111391250,0ptp4l0-21swapper/108:01:211
111391250,0ptp4l0-21swapper/108:01:211
111391250,0ptp4l0-21swapper/107:19:181
111391250,0ptp4l0-21swapper/012:27:490
111391250,0ptp4l0-21swapper/012:24:320
111391250,0ptp4l0-21swapper/009:09:470
111391250,0ptp4l0-21swapper/007:31:080
111391250,0ptp4l0-21swapper/007:17:180
111391250,0ptp4l0-21swapper/007:11:130
111391240,1ptp4l481ktimersoftd/410:37:524
111391240,1ptp4l3578-21/usr/sbin/munin12:20:185
111391240,1ptp4l3440-21irqstats12:20:171
111391240,0ptp4l0-21swapper/512:15:175
111391240,0ptp4l0-21swapper/510:47:235
111391240,0ptp4l0-21swapper/510:33:105
111391240,0ptp4l0-21swapper/510:05:205
111391240,0ptp4l0-21swapper/509:16:375
111391240,0ptp4l0-21swapper/508:25:275
111391240,0ptp4l0-21swapper/411:55:594
111391240,0ptp4l0-21swapper/411:05:194
111391240,0ptp4l0-21swapper/408:54:074
111391240,0ptp4l0-21swapper/408:32:104
111391240,0ptp4l0-21swapper/407:41:194
111391240,0ptp4l0-21swapper/407:35:184
111391240,0ptp4l0-21swapper/209:05:152
111391240,0ptp4l0-21swapper/208:20:192
111391240,0ptp4l0-21swapper/208:10:062
111391240,0ptp4l0-21swapper/112:13:081
111391240,0ptp4l0-21swapper/112:04:081
111391240,0ptp4l0-21swapper/111:32:041
111391240,0ptp4l0-21swapper/111:00:201
111391240,0ptp4l0-21swapper/108:24:001
111391240,0ptp4l0-21swapper/108:15:111
111391240,0ptp4l0-21swapper/009:55:130
111391240,0ptp4l0-21swapper/007:35:490
111391240,0ptp4l0-21swapper/007:20:110
111391230,0ptp4l0-21swapper/512:26:455
111391230,0ptp4l0-21swapper/511:25:155
111391230,0ptp4l0-21swapper/511:20:145
111391230,0ptp4l0-21swapper/511:10:225
111391230,0ptp4l0-21swapper/511:09:315
111391230,0ptp4l0-21swapper/509:11:245
111391230,0ptp4l0-21swapper/508:24:325
111391230,0ptp4l0-21swapper/508:17:375
111391230,0ptp4l0-21swapper/507:58:285
111391230,0ptp4l0-21swapper/411:22:464
111391230,0ptp4l0-21swapper/410:50:124
111391230,0ptp4l0-21swapper/410:45:204
111391230,0ptp4l0-21swapper/410:29:094
111391230,0ptp4l0-21swapper/409:51:544
111391230,0ptp4l0-21swapper/409:10:504
111391230,0ptp4l0-21swapper/409:07:484
111391230,0ptp4l0-21swapper/409:00:184
111391230,0ptp4l0-21swapper/407:45:154
111391230,0ptp4l0-21swapper/407:30:214
111391230,0ptp4l0-21swapper/112:29:011
111391230,0ptp4l0-21swapper/111:40:181
111391230,0ptp4l0-21swapper/110:55:141
111391230,0ptp4l0-21swapper/110:30:121
111391230,0ptp4l0-21swapper/110:25:141
111391230,0ptp4l0-21swapper/110:10:121
111391230,0ptp4l0-21swapper/109:35:181
111391230,0ptp4l0-21swapper/108:55:121
111391230,0ptp4l0-21swapper/108:40:151
111391230,0ptp4l0-21swapper/108:05:191
111391230,0ptp4l0-21swapper/108:05:181
111391230,0ptp4l0-21swapper/107:35:191
111391230,0ptp4l0-21swapper/107:10:131
111391230,0ptp4l0-21swapper/011:26:580
111391230,0ptp4l0-21swapper/009:40:120
111391230,0ptp4l0-21swapper/009:20:200
111391230,0ptp4l0-21swapper/009:00:160
111391230,0ptp4l0-21swapper/008:55:160
111391230,0ptp4l0-21swapper/008:37:010
111391230,0ptp4l0-21swapper/008:15:180
111391230,0ptp4l0-21swapper/007:50:200
111391230,0ptp4l0-21swapper/007:40:190
111391220,1ptp4l23993-21hddtemp_smartct09:00:111
111391220,0ptp4l14534-21ssh09:35:130
111391220,0ptp4l0-21swapper/612:28:476
111391220,0ptp4l0-21swapper/611:25:116
111391220,0ptp4l0-21swapper/611:16:586
111391220,0ptp4l0-21swapper/611:11:596
111391220,0ptp4l0-21swapper/610:21:016
111391220,0ptp4l0-21swapper/609:54:066
111391220,0ptp4l0-21swapper/609:21:486
111391220,0ptp4l0-21swapper/609:11:386
111391220,0ptp4l0-21swapper/609:05:176
111391220,0ptp4l0-21swapper/608:20:156
111391220,0ptp4l0-21swapper/512:36:385
111391220,0ptp4l0-21swapper/512:34:155
111391220,0ptp4l0-21swapper/512:02:035
111391220,0ptp4l0-21swapper/511:37:255
111391220,0ptp4l0-21swapper/511:32:115
111391220,0ptp4l0-21swapper/510:40:015
111391220,0ptp4l0-21swapper/510:40:015
111391220,0ptp4l0-21swapper/510:25:215
111391220,0ptp4l0-21swapper/509:47:465
111391220,0ptp4l0-21swapper/509:35:165
111391220,0ptp4l0-21swapper/509:26:435
111391220,0ptp4l0-21swapper/509:00:115
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/507:25:115
111391220,0ptp4l0-21swapper/507:20:175
111391220,0ptp4l0-21swapper/411:40:244
111391220,0ptp4l0-21swapper/411:25:574
111391220,0ptp4l0-21swapper/410:55:184
111391220,0ptp4l0-21swapper/407:25:134
111391220,0ptp4l0-21swapper/212:28:402
111391220,0ptp4l0-21swapper/212:05:212
111391220,0ptp4l0-21swapper/211:41:252
111391220,0ptp4l0-21swapper/211:28:332
111391220,0ptp4l0-21swapper/211:11:552
111391220,0ptp4l0-21swapper/111:50:151
111391220,0ptp4l0-21swapper/111:06:041
111391220,0ptp4l0-21swapper/110:49:281
111391220,0ptp4l0-21swapper/110:40:071
111391220,0ptp4l0-21swapper/110:40:061
111391220,0ptp4l0-21swapper/110:36:491
111391220,0ptp4l0-21swapper/110:22:221
111391220,0ptp4l0-21swapper/110:05:211
111391220,0ptp4l0-21swapper/109:46:251
111391220,0ptp4l0-21swapper/108:25:181
111391220,0ptp4l0-21swapper/107:50:141
111391220,0ptp4l0-21swapper/107:30:001
111391220,0ptp4l0-21swapper/107:20:181
111391220,0ptp4l0-21swapper/011:52:130
111391220,0ptp4l0-21swapper/011:40:190
111391220,0ptp4l0-21swapper/011:15:120
111391220,0ptp4l0-21swapper/010:35:140
111391220,0ptp4l0-21swapper/010:16:380
111391220,0ptp4l0-21swapper/010:00:210
111391220,0ptp4l0-21swapper/008:43:160
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/008:10:170
111391220,0ptp4l0-21swapper/008:05:160
111391220,0ptp4l0-21swapper/008:05:150
111391220,0ptp4l0-21swapper/007:25:120
300312210,0sleep3391rcuc/309:10:403
111391210,0ptp4l0-21swapper/612:08:166
111391210,0ptp4l0-21swapper/611:43:006
111391210,0ptp4l0-21swapper/610:16:436
111391210,0ptp4l0-21swapper/511:45:285
111391210,0ptp4l0-21swapper/508:55:105
111391210,0ptp4l0-21swapper/508:50:375
111391210,0ptp4l0-21swapper/507:40:145
111391210,0ptp4l0-21swapper/408:28:544
111391210,0ptp4l0-21swapper/408:15:144
111391210,0ptp4l0-21swapper/408:10:174
111391210,0ptp4l0-21swapper/211:46:362
111391210,0ptp4l0-21swapper/210:45:552
111391210,0ptp4l0-21swapper/210:44:042
111391210,0ptp4l0-21swapper/210:44:032
111391210,0ptp4l0-21swapper/209:50:582
111391210,0ptp4l0-21swapper/209:11:372
111391210,0ptp4l0-21swapper/111:35:471
111391210,0ptp4l0-21swapper/111:25:411
111391210,0ptp4l0-21swapper/109:09:551
111391210,0ptp4l0-21swapper/108:34:561
111391210,0ptp4l0-21swapper/107:49:491
111391210,0ptp4l0-21swapper/107:25:191
111391210,0ptp4l0-21swapper/007:55:550
111391200,0ptp4l0-21swapper/612:33:176
111391200,0ptp4l0-21swapper/611:09:176
111391200,0ptp4l0-21swapper/508:45:305
111391200,0ptp4l0-21swapper/508:32:515
111391200,0ptp4l0-21swapper/507:50:545
111391200,0ptp4l0-21swapper/408:44:514
111391200,0ptp4l0-21swapper/408:09:554
111391200,0ptp4l0-21swapper/408:09:544
111391200,0ptp4l0-21swapper/407:55:124
111391200,0ptp4l0-21swapper/212:33:182
111391200,0ptp4l0-21swapper/212:23:082
111391200,0ptp4l0-21swapper/211:50:572
111391200,0ptp4l0-21swapper/211:15:202
111391200,0ptp4l0-21swapper/210:29:522
111391200,0ptp4l0-21swapper/209:49:532
111391200,0ptp4l0-21swapper/209:36:552
111391200,0ptp4l0-21swapper/108:14:151
111391200,0ptp4l0-21swapper/008:27:540
111391190,0ptp4l0-21swapper/612:23:176
111391190,0ptp4l0-21swapper/610:29:556
111391190,0ptp4l0-21swapper/508:11:545
111391190,0ptp4l0-21swapper/408:36:504
111391190,0ptp4l0-21swapper/408:20:504
111391190,0ptp4l0-21swapper/212:39:482
111391190,0ptp4l0-21swapper/211:57:032
111391190,0ptp4l0-21swapper/210:16:442
111391190,0ptp4l0-21swapper/210:08:522
111391190,0ptp4l0-21swapper/209:55:192
111391180,0ptp4l0-21swapper/610:08:576
111391180,0ptp4l0-21swapper/609:56:486
111391180,0ptp4l0-21swapper/407:51:584
111391180,0ptp4l0-21swapper/210:54:152
111391180,0ptp4l0-21swapper/210:35:452
111391180,0ptp4l0-21swapper/108:46:331
111391170,0ptp4l0-21swapper/611:50:586
111391170,0ptp4l0-21swapper/611:31:216
111391170,0ptp4l0-21swapper/509:07:255
111391170,0ptp4l0-21swapper/407:15:374
111391170,0ptp4l0-21swapper/208:42:542
111391160,0ptp4l0-21swapper/708:08:577
111391160,0ptp4l0-21swapper/708:08:567
111391160,0ptp4l0-21swapper/610:54:186
111391160,0ptp4l0-21swapper/610:45:546
111391160,0ptp4l0-21swapper/610:41:196
111391160,0ptp4l0-21swapper/610:41:186
111391160,0ptp4l0-21swapper/609:25:586
111391160,0ptp4l0-21swapper/211:30:342
111391160,0ptp4l0-21swapper/211:09:152
209232150,0sleep30-21swapper/309:44:593
111391150,0ptp4l0-21swapper/609:36:576
111391150,0ptp4l0-21swapper/609:01:426
111391150,0ptp4l0-21swapper/608:59:226
111391150,0ptp4l0-21swapper/608:53:416
111391150,0ptp4l0-21swapper/608:31:126
111391150,0ptp4l0-21swapper/608:27:256
111391150,0ptp4l0-21swapper/608:11:186
111391150,0ptp4l0-21swapper/608:08:326
111391150,0ptp4l0-21swapper/608:08:316
111391150,0ptp4l0-21swapper/607:53:066
111391150,0ptp4l0-21swapper/607:36:386
111391150,0ptp4l0-21swapper/507:35:045
111391150,0ptp4l0-21swapper/209:25:582
111391150,0ptp4l0-21swapper/209:21:412
111391150,0ptp4l0-21swapper/209:01:442
111391150,0ptp4l0-21swapper/208:59:222
111391150,0ptp4l0-21swapper/208:34:072
111391150,0ptp4l0-21swapper/208:27:282
111391150,0ptp4l0-21swapper/208:08:282
111391150,0ptp4l0-21swapper/208:08:272
484899140,13cyclictest0-21swapper/610:58:066
111391140,0ptp4l0-21swapper/611:57:046
111391140,0ptp4l0-21swapper/608:42:536
111391140,0ptp4l0-21swapper/607:41:136
111391140,0ptp4l0-21swapper/607:17:326
111391140,0ptp4l0-21swapper/211:02:212
111391140,0ptp4l0-21swapper/208:53:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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