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2026-05-09 - 22:29

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 May 09, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,31ptp4l0-21swapper/007:08:390
111391600,29ptp4l0-21swapper/107:06:421
111391590,5ptp4l0-21swapper/407:06:314
251202570,0sleep60-21swapper/608:50:186
908125432,7sleep50-21swapper/507:06:225
925825039,6sleep70-21swapper/707:08:407
912424939,6sleep20-21swapper/207:06:512
931624835,7sleep30-21swapper/307:09:253
911924736,6sleep60-21swapper/607:06:476
111391470,0ptp4l5005-21ssh12:08:261
111391370,0ptp4l0-21swapper/110:37:151
111391360,0ptp4l0-21swapper/511:07:555
111391340,1ptp4l27510-21ssh12:39:131
111391330,0ptp4l0-21swapper/109:10:161
111391320,0ptp4l0-21swapper/509:35:125
111391320,0ptp4l0-21swapper/112:10:111
111391310,7ptp4l9618-21cyclictest09:21:261
111391310,0ptp4l0-21swapper/510:48:535
111391310,0ptp4l0-21swapper/011:05:140
111391300,3ptp4l0-21swapper/111:38:231
111391300,2ptp4l0-21swapper/711:59:247
111391300,0ptp4l0-21swapper/511:44:325
111391300,0ptp4l0-21swapper/509:55:325
111391300,0ptp4l0-21swapper/509:16:155
111391300,0ptp4l0-21swapper/410:14:404
111391300,0ptp4l0-21swapper/110:40:191
111391300,0ptp4l0-21swapper/110:24:331
111391300,0ptp4l0-21swapper/110:24:321
111391300,0ptp4l0-21swapper/110:19:041
111391300,0ptp4l0-21swapper/110:14:091
111391300,0ptp4l0-21swapper/010:31:080
111391290,0ptp4l0-21swapper/511:35:115
111391290,0ptp4l0-21swapper/510:38:565
111391290,0ptp4l0-21swapper/209:42:162
111391290,0ptp4l0-21swapper/110:30:461
111391290,0ptp4l0-21swapper/109:16:351
964599280,0cyclictest0-21swapper/211:10:142
111391280,4ptp4l721ktimersoftd/709:30:127
111391280,3ptp4l0-21swapper/111:23:051
111391280,0ptp4l32747-21diskmemload10:28:111
111391280,0ptp4l14102-21ssh09:26:071
111391280,0ptp4l0-21swapper/512:14:535
111391280,0ptp4l0-21swapper/512:09:115
111391280,0ptp4l0-21swapper/510:06:225
111391280,0ptp4l0-21swapper/509:52:225
111391280,0ptp4l0-21swapper/509:42:465
111391280,0ptp4l0-21swapper/509:14:015
111391280,0ptp4l0-21swapper/412:20:144
111391280,0ptp4l0-21swapper/410:46:574
111391280,0ptp4l0-21swapper/409:00:004
111391280,0ptp4l0-21swapper/112:17:431
111391280,0ptp4l0-21swapper/112:01:501
111391280,0ptp4l0-21swapper/110:51:191
111391280,0ptp4l0-21swapper/110:47:201
111391280,0ptp4l0-21swapper/107:30:131
111391280,0ptp4l0-21swapper/011:19:250
111391280,0ptp4l0-21swapper/010:01:370
111391270,2ptp4l0-21swapper/411:12:464
111391270,0ptp4l0-21swapper/711:02:087
111391270,0ptp4l0-21swapper/511:52:125
111391270,0ptp4l0-21swapper/511:25:375
111391270,0ptp4l0-21swapper/511:17:015
111391270,0ptp4l0-21swapper/511:11:245
111391270,0ptp4l0-21swapper/511:04:435
111391270,0ptp4l0-21swapper/510:53:415
111391270,0ptp4l0-21swapper/510:44:195
111391270,0ptp4l0-21swapper/510:31:585
111391270,0ptp4l0-21swapper/510:27:075
111391270,0ptp4l0-21swapper/509:29:535
111391270,0ptp4l0-21swapper/410:35:024
111391270,0ptp4l0-21swapper/410:22:044
111391270,0ptp4l0-21swapper/410:22:044
111391270,0ptp4l0-21swapper/311:59:273
111391270,0ptp4l0-21swapper/112:24:581
111391270,0ptp4l0-21swapper/111:57:141
111391270,0ptp4l0-21swapper/109:44:441
111391270,0ptp4l0-21swapper/012:15:390
111391270,0ptp4l0-21swapper/011:46:530
111391270,0ptp4l0-21swapper/009:11:560
111391260,1ptp4l19230-21turbostat07:30:001
111391260,0ptp4l0-21swapper/609:54:166
111391260,0ptp4l0-21swapper/512:21:205
111391260,0ptp4l0-21swapper/511:55:085
111391260,0ptp4l0-21swapper/511:49:055
111391260,0ptp4l0-21swapper/511:32:125
111391260,0ptp4l0-21swapper/510:56:345
111391260,0ptp4l0-21swapper/510:16:525
111391260,0ptp4l0-21swapper/509:45:515
111391260,0ptp4l0-21swapper/509:24:555
111391260,0ptp4l0-21swapper/411:02:374
111391260,0ptp4l0-21swapper/409:54:084
111391260,0ptp4l0-21swapper/310:10:523
111391260,0ptp4l0-21swapper/108:50:151
111391260,0ptp4l0-21swapper/107:20:151
111391260,0ptp4l0-21swapper/009:55:170
111391260,0ptp4l0-21swapper/009:35:310
111391250,3ptp4l32747-21diskmemload12:08:110
111391250,1ptp4l30947-21smartctl11:15:191
111391250,1ptp4l23744-21fw_conntrack11:50:131
111391250,1ptp4l10465-21df_inode10:05:111
111391250,0ptp4l0-21swapper/710:11:087
111391250,0ptp4l0-21swapper/512:29:235
111391250,0ptp4l0-21swapper/510:13:285
111391250,0ptp4l0-21swapper/509:31:485
111391250,0ptp4l0-21swapper/508:40:135
111391250,0ptp4l0-21swapper/411:15:194
111391250,0ptp4l0-21swapper/309:30:193
111391250,0ptp4l0-21swapper/109:32:291
111391250,0ptp4l0-21swapper/108:15:171
111391250,0ptp4l0-21swapper/011:12:450
111391250,0ptp4l0-21swapper/010:39:080
111391250,0ptp4l0-21swapper/009:30:020
111391250,0ptp4l0-21swapper/008:27:380
111391240,3ptp4l0-21swapper/107:40:241
111391240,3ptp4l0-21swapper/107:40:241
111391240,1ptp4l4088-21load08:05:171
111391240,1ptp4l27516-21ps07:45:171
111391240,1ptp4l27065-21wc08:55:145
111391240,1ptp4l21624-21df_inode10:20:125
111391240,1ptp4l21624-21df_inode10:20:125
111391240,0ptp4l0-21swapper/512:31:435
111391240,0ptp4l0-21swapper/507:50:115
111391240,0ptp4l0-21swapper/507:10:155
111391240,0ptp4l0-21swapper/411:40:174
111391240,0ptp4l0-21swapper/410:29:454
111391240,0ptp4l0-21swapper/111:35:001
111391240,0ptp4l0-21swapper/111:05:331
111391240,0ptp4l0-21swapper/111:01:111
111391240,0ptp4l0-21swapper/110:05:011
111391240,0ptp4l0-21swapper/109:54:361
111391240,0ptp4l0-21swapper/109:47:161
111391240,0ptp4l0-21swapper/109:00:121
111391240,0ptp4l0-21swapper/108:40:111
111391240,0ptp4l0-21swapper/107:15:111
111391240,0ptp4l0-21swapper/011:50:570
111391240,0ptp4l0-21swapper/011:25:520
111391240,0ptp4l0-21swapper/010:28:120
111391240,0ptp4l0-21swapper/010:12:550
111391240,0ptp4l0-21swapper/007:45:160
111391230,1ptp4l17813-21sed08:35:171
111391230,1ptp4l17330-21df08:35:135
111391230,0ptp4l32747-21diskmemload11:05:124
111391230,0ptp4l0-21swapper/512:15:105
111391230,0ptp4l0-21swapper/511:23:595
111391230,0ptp4l0-21swapper/510:01:265
111391230,0ptp4l0-21swapper/509:07:145
111391230,0ptp4l0-21swapper/509:04:595
111391230,0ptp4l0-21swapper/508:45:115
111391230,0ptp4l0-21swapper/508:30:125
111391230,0ptp4l0-21swapper/508:10:195
111391230,0ptp4l0-21swapper/508:05:175
111391230,0ptp4l0-21swapper/508:00:175
111391230,0ptp4l0-21swapper/507:55:135
111391230,0ptp4l0-21swapper/507:40:145
111391230,0ptp4l0-21swapper/507:40:135
111391230,0ptp4l0-21swapper/507:35:155
111391230,0ptp4l0-21swapper/507:15:205
111391230,0ptp4l0-21swapper/411:30:144
111391230,0ptp4l0-21swapper/411:20:544
111391230,0ptp4l0-21swapper/409:15:204
111391230,0ptp4l0-21swapper/409:11:564
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/207:25:152
111391230,0ptp4l0-21swapper/112:30:041
111391230,0ptp4l0-21swapper/112:25:001
111391230,0ptp4l0-21swapper/111:45:161
111391230,0ptp4l0-21swapper/111:40:191
111391230,0ptp4l0-21swapper/111:25:191
111391230,0ptp4l0-21swapper/110:57:561
111391230,0ptp4l0-21swapper/109:35:131
111391230,0ptp4l0-21swapper/109:05:221
111391230,0ptp4l0-21swapper/108:30:151
111391230,0ptp4l0-21swapper/108:20:151
111391230,0ptp4l0-21swapper/107:55:151
111391230,0ptp4l0-21swapper/107:35:151
111391230,0ptp4l0-21swapper/107:12:241
111391230,0ptp4l0-21swapper/012:10:120
111391230,0ptp4l0-21swapper/012:00:200
111391230,0ptp4l0-21swapper/008:59:270
111391230,0ptp4l0-21swapper/008:15:280
111391230,0ptp4l0-21swapper/008:10:160
111391230,0ptp4l0-21swapper/008:00:170
111391220,1ptp4l30827-21ssh10:31:504
111391220,1ptp4l21382-21sshd07:33:245
111391220,0ptp4l20766-21/usr/sbin/munin07:30:204
111391220,0ptp4l121rcu_preempt12:28:240
111391220,0ptp4l0-21swapper/710:10:007
111391220,0ptp4l0-21swapper/612:34:266
111391220,0ptp4l0-21swapper/611:03:456
111391220,0ptp4l0-21swapper/610:20:346
111391220,0ptp4l0-21swapper/610:20:346
111391220,0ptp4l0-21swapper/609:48:136
111391220,0ptp4l0-21swapper/512:35:155
111391220,0ptp4l0-21swapper/512:00:295
111391220,0ptp4l0-21swapper/508:25:185
111391220,0ptp4l0-21swapper/508:15:155
111391220,0ptp4l0-21swapper/507:45:185
111391220,0ptp4l0-21swapper/507:27:395
111391220,0ptp4l0-21swapper/507:20:115
111391220,0ptp4l0-21swapper/412:35:204
111391220,0ptp4l0-21swapper/412:30:194
111391220,0ptp4l0-21swapper/412:29:154
111391220,0ptp4l0-21swapper/412:10:134
111391220,0ptp4l0-21swapper/412:05:184
111391220,0ptp4l0-21swapper/412:02:084
111391220,0ptp4l0-21swapper/411:55:124
111391220,0ptp4l0-21swapper/411:50:174
111391220,0ptp4l0-21swapper/410:52:094
111391220,0ptp4l0-21swapper/410:05:554
111391220,0ptp4l0-21swapper/410:00:084
111391220,0ptp4l0-21swapper/409:45:124
111391220,0ptp4l0-21swapper/409:43:004
111391220,0ptp4l0-21swapper/409:38:434
111391220,0ptp4l0-21swapper/409:24:154
111391220,0ptp4l0-21swapper/408:25:014
111391220,0ptp4l0-21swapper/408:20:194
111391220,0ptp4l0-21swapper/408:00:114
111391220,0ptp4l0-21swapper/407:25:174
111391220,0ptp4l0-21swapper/311:02:093
111391220,0ptp4l0-21swapper/209:48:372
111391220,0ptp4l0-21swapper/111:10:171
111391220,0ptp4l0-21swapper/109:55:141
111391220,0ptp4l0-21swapper/108:55:161
111391220,0ptp4l0-21swapper/108:45:151
111391220,0ptp4l0-21swapper/108:25:141
111391220,0ptp4l0-21swapper/108:10:201
111391220,0ptp4l0-21swapper/108:00:131
111391220,0ptp4l0-21swapper/012:39:390
111391220,0ptp4l0-21swapper/012:32:370
111391220,0ptp4l0-21swapper/011:55:120
111391220,0ptp4l0-21swapper/011:43:570
111391220,0ptp4l0-21swapper/011:35:200
111391220,0ptp4l0-21swapper/011:30:120
111391220,0ptp4l0-21swapper/011:20:160
111391220,0ptp4l0-21swapper/011:01:240
111391220,0ptp4l0-21swapper/010:55:410
111391220,0ptp4l0-21swapper/010:45:220
111391220,0ptp4l0-21swapper/009:54:530
111391220,0ptp4l0-21swapper/009:45:130
111391220,0ptp4l0-21swapper/009:42:160
111391220,0ptp4l0-21swapper/009:26:430
111391220,0ptp4l0-21swapper/008:20:140
111391220,0ptp4l0-21swapper/008:05:170
111391220,0ptp4l0-21swapper/007:40:180
111391220,0ptp4l0-21swapper/007:40:180
111391220,0ptp4l0-21swapper/007:30:180
111391220,0ptp4l0-21swapper/007:25:160
111391210,0ptp4l0-21swapper/712:00:037
111391210,0ptp4l0-21swapper/709:40:247
111391210,0ptp4l0-21swapper/708:22:337
111391210,0ptp4l0-21swapper/609:37:326
111391210,0ptp4l0-21swapper/508:50:185
111391210,0ptp4l0-21swapper/411:46:124
111391210,0ptp4l0-21swapper/410:55:444
111391210,0ptp4l0-21swapper/409:55:224
111391210,0ptp4l0-21swapper/409:31:154
111391210,0ptp4l0-21swapper/409:26:294
111391210,0ptp4l0-21swapper/408:10:144
111391210,0ptp4l0-21swapper/309:40:303
111391210,0ptp4l0-21swapper/212:35:032
111391210,0ptp4l0-21swapper/209:54:092
111391210,0ptp4l0-21swapper/209:26:402
111391210,0ptp4l0-21swapper/012:20:070
111391210,0ptp4l0-21swapper/010:52:070
111391210,0ptp4l0-21swapper/010:21:200
111391210,0ptp4l0-21swapper/010:21:200
111391210,0ptp4l0-21swapper/010:16:290
111391210,0ptp4l0-21swapper/010:06:300
111391210,0ptp4l0-21swapper/009:23:130
111391210,0ptp4l0-21swapper/009:16:130
111391210,0ptp4l0-21swapper/009:09:420
111391210,0ptp4l0-21swapper/008:54:200
111391210,0ptp4l0-21swapper/008:47:460
111391210,0ptp4l0-21swapper/008:32:020
111391210,0ptp4l0-21swapper/007:20:250
111391200,0ptp4l0-21swapper/609:26:396
111391200,0ptp4l0-21swapper/609:24:376
111391200,0ptp4l0-21swapper/411:37:014
111391200,0ptp4l0-21swapper/411:25:074
111391200,0ptp4l0-21swapper/410:15:104
111391200,0ptp4l0-21swapper/407:57:324
111391200,0ptp4l0-21swapper/310:09:413
111391200,0ptp4l0-21swapper/212:34:292
111391200,0ptp4l0-21swapper/210:20:332
111391200,0ptp4l0-21swapper/210:20:322
111391200,0ptp4l0-21swapper/209:37:312
111391200,0ptp4l0-21swapper/107:53:311
111391200,0ptp4l0-21swapper/010:45:000
111391200,0ptp4l0-21swapper/007:16:500
111391190,0ptp4l0-21swapper/612:35:056
111391190,0ptp4l0-21swapper/610:18:256
111391190,0ptp4l0-21swapper/508:20:115
111391190,0ptp4l0-21swapper/412:16:464
111391190,0ptp4l0-21swapper/211:38:202
111391190,0ptp4l0-21swapper/211:03:422
111391190,0ptp4l0-21swapper/210:18:222
111391190,0ptp4l0-21swapper/209:24:372
111391190,0ptp4l0-21swapper/007:54:500
964599180,4cyclictest0-21swapper/211:26:202
111391180,0ptp4l0-21swapper/410:44:084
111391180,0ptp4l0-21swapper/407:40:194
111391180,0ptp4l0-21swapper/407:40:184
111391180,0ptp4l0-21swapper/312:00:043
111391180,0ptp4l0-21swapper/308:22:383
964599170,3cyclictest0-21swapper/211:16:042
964599170,3cyclictest0-21swapper/210:52:342
964599170,3cyclictest0-21swapper/210:46:222
964599170,0cyclictest0-21swapper/210:55:182
111391170,2ptp4l0-21swapper/007:12:590
182442160,0sleep30-21swapper/311:41:493
111391160,0ptp4l0-21swapper/408:56:274
111391160,0ptp4l0-21swapper/408:45:154
964599150,0cyclictest0-21swapper/211:20:252
964599150,0cyclictest0-21swapper/211:05:472
964599150,0cyclictest0-21swapper/210:44:592
111391150,0ptp4l0-21swapper/607:56:076
111391150,0ptp4l0-21swapper/607:13:296
111391150,0ptp4l0-21swapper/409:06:044
111391150,0ptp4l0-21swapper/408:50:304
111391150,0ptp4l0-21swapper/408:42:514
111391150,0ptp4l0-21swapper/408:39:314
111391150,0ptp4l0-21swapper/408:07:274
111391150,0ptp4l0-21swapper/407:51:564
111391150,0ptp4l0-21swapper/407:20:284
111391150,0ptp4l0-21swapper/407:16:224
111391150,0ptp4l0-21swapper/210:08:202
111391150,0ptp4l0-21swapper/207:13:292
111391150,0ptp4l0-21swapper/009:02:000
111391150,0ptp4l0-21swapper/008:40:010
111391150,0ptp4l0-21swapper/008:38:190
111391150,0ptp4l0-21swapper/007:56:040
111391150,0ptp4l0-21swapper/007:36:410
111391140,0ptp4l0-21swapper/609:42:166
111391140,0ptp4l0-21swapper/608:44:116
111391140,0ptp4l0-21swapper/608:07:236
111391140,0ptp4l0-21swapper/607:50:326
111391140,0ptp4l0-21swapper/408:16:124
111391140,0ptp4l0-21swapper/407:45:274
111391140,0ptp4l0-21swapper/407:36:414
111391140,0ptp4l0-21swapper/407:11:174
111391140,0ptp4l0-21swapper/208:44:102
111391140,0ptp4l0-21swapper/208:07:232
111391140,0ptp4l0-21swapper/207:56:052
968199130,1cyclictest0-21swapper/712:30:167
111391120,0ptp4l0-21swapper/207:50:112
968199110,10cyclictest0-21swapper/710:47:017
968199109,0cyclictest0-21swapper/711:39:497
968199109,0cyclictest0-21swapper/711:09:587
968199108,1cyclictest0-21swapper/712:18:577
968199100,9cyclictest0-21swapper/711:10:087
968199100,9cyclictest0-21swapper/710:15:177
968199100,9cyclictest0-21swapper/709:55:017
968199100,0cyclictest0-21swapper/711:40:177
967599109,0cyclictest32747-21diskmemload11:32:026
967599100,9cyclictest0-21swapper/609:34:576
965199100,9cyclictest0-21swapper/310:45:413
965199100,1cyclictest0-21swapper/311:33:453
964599100,9cyclictest0-21swapper/212:08:042
964599100,9cyclictest0-21swapper/210:33:462
188191100,6phc2sys0-21swapper/608:25:176
188191100,0phc2sys0-21swapper/209:57:132
96819998,0cyclictest0-21swapper/712:35:097
96819998,0cyclictest0-21swapper/710:28:487
96819990,8cyclictest0-21swapper/708:14:257
96819990,8cyclictest0-21swapper/707:55:437
96759990,8cyclictest0-21swapper/610:52:076
96759990,0cyclictest0-21swapper/610:02:366
96519998,0cyclictest0-21swapper/309:56:483
96519998,0cyclictest0-21swapper/309:10:373
96519990,8cyclictest0-21swapper/311:26:233
96519990,0cyclictest0-21swapper/309:36:223
96819986,1cyclictest19785-21/usr/sbin/munin11:45:187
96759985,1cyclictest13674-21fw_forwarded_lo12:20:096
96759984,1cyclictest110891getstats12:03:106
96759980,0cyclictest0-21swapper/610:26:206
96519987,0cyclictest0-21swapper/310:23:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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