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2026-08-26 - 14:19

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 Wed Aug 26, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391700,28ptp4l0-21swapper/119:05:181
312642650,0sleep70-21swapper/722:57:127
111391640,5ptp4l0-21swapper/519:06:105
111391610,29ptp4l0-21swapper/019:07:410
279152600,0sleep40-21swapper/400:25:204
1881915645,6phc2sys0-21swapper/419:06:124
2856825444,6sleep70-21swapper/719:05:487
2889725342,6sleep20-21swapper/219:10:002
24982510,2sleep52919399cyclictest23:02:305
2876624735,7sleep30-21swapper/319:08:243
2865824732,9sleep60-21swapper/619:06:596
111391330,1ptp4l2210-21cpu19:20:124
111391320,0ptp4l0-21swapper/422:05:174
111391320,0ptp4l0-21swapper/019:10:170
111391310,2ptp4l0-21swapper/123:25:131
111391310,1ptp4l10994-21munin-run19:40:003
111391310,0ptp4l0-21swapper/523:30:155
111391310,0ptp4l0-21swapper/421:50:164
111391300,0ptp4l0-21swapper/521:15:175
111391300,0ptp4l0-21swapper/422:45:234
111391300,0ptp4l0-21swapper/420:10:134
111391300,0ptp4l0-21swapper/123:38:301
111391290,4ptp4l0-21swapper/622:08:556
111391290,0ptp4l0-21swapper/500:37:125
111391290,0ptp4l0-21swapper/500:15:225
111391290,0ptp4l0-21swapper/500:05:175
111391290,0ptp4l0-21swapper/423:49:384
111391290,0ptp4l0-21swapper/422:36:004
111391290,0ptp4l0-21swapper/100:30:011
111391280,1ptp4l2440-21df19:20:110
111391280,0ptp4l0-21swapper/423:54:514
111391280,0ptp4l0-21swapper/423:10:414
111391280,0ptp4l0-21swapper/323:46:263
111391280,0ptp4l0-21swapper/123:49:151
111391280,0ptp4l0-21swapper/021:40:180
111391280,0ptp4l0-21swapper/021:30:140
111391280,0ptp4l0-21swapper/021:05:310
111391280,0ptp4l0-21swapper/000:39:520
111391280,0ptp4l0-21swapper/000:31:190
111391270,0ptp4l0-21swapper/422:57:564
111391270,0ptp4l0-21swapper/422:42:164
111391270,0ptp4l0-21swapper/419:29:164
111391270,0ptp4l0-21swapper/123:56:271
111391270,0ptp4l0-21swapper/122:51:001
111391270,0ptp4l0-21swapper/121:00:181
111391270,0ptp4l0-21swapper/100:13:341
111391270,0ptp4l0-21swapper/023:50:220
111391270,0ptp4l0-21swapper/023:32:590
111391270,0ptp4l0-21swapper/023:27:400
111391270,0ptp4l0-21swapper/022:42:580
111391270,0ptp4l0-21swapper/021:45:200
111391270,0ptp4l0-21swapper/019:55:210
111391270,0ptp4l0-21swapper/000:05:260
111391260,4ptp4l0-21swapper/000:02:090
111391260,0ptp4l0-21swapper/723:05:057
111391260,0ptp4l0-21swapper/621:52:436
111391260,0ptp4l0-21swapper/523:26:035
111391260,0ptp4l0-21swapper/522:35:135
111391260,0ptp4l0-21swapper/500:33:095
111391260,0ptp4l0-21swapper/421:40:474
111391260,0ptp4l0-21swapper/421:16:094
111391260,0ptp4l0-21swapper/400:20:134
111391260,0ptp4l0-21swapper/400:01:274
111391260,0ptp4l0-21swapper/322:32:153
111391260,0ptp4l0-21swapper/322:32:143
111391260,0ptp4l0-21swapper/122:04:351
111391260,0ptp4l0-21swapper/121:29:531
111391260,0ptp4l0-21swapper/023:42:320
111391260,0ptp4l0-21swapper/021:16:490
111391260,0ptp4l0-21swapper/019:50:180
111391260,0ptp4l0-21swapper/019:50:180
111391250,4ptp4l0-21swapper/022:22:560
111391250,2ptp4l0-21swapper/522:20:535
111391250,1ptp4l31435-21sed19:15:004
111391250,1ptp4l30504-21memory20:20:162
111391250,1ptp4l1797-21turbostat19:20:004
111391250,0ptp4l0-21swapper/722:30:427
111391250,0ptp4l0-21swapper/722:30:417
111391250,0ptp4l0-21swapper/722:15:217
111391250,0ptp4l0-21swapper/523:50:165
111391250,0ptp4l0-21swapper/523:48:525
111391250,0ptp4l0-21swapper/523:41:315
111391250,0ptp4l0-21swapper/500:22:355
111391250,0ptp4l0-21swapper/423:02:084
111391250,0ptp4l0-21swapper/422:50:124
111391250,0ptp4l0-21swapper/422:24:414
111391250,0ptp4l0-21swapper/421:57:224
111391250,0ptp4l0-21swapper/421:46:184
111391250,0ptp4l0-21swapper/421:35:184
111391250,0ptp4l0-21swapper/400:34:164
111391250,0ptp4l0-21swapper/400:10:164
111391250,0ptp4l0-21swapper/323:04:423
111391250,0ptp4l0-21swapper/123:14:541
111391250,0ptp4l0-21swapper/122:26:171
111391250,0ptp4l0-21swapper/122:26:171
111391250,0ptp4l0-21swapper/121:48:531
111391250,0ptp4l0-21swapper/120:35:001
111391250,0ptp4l0-21swapper/119:58:591
111391250,0ptp4l0-21swapper/100:17:141
111391250,0ptp4l0-21swapper/023:13:440
111391250,0ptp4l0-21swapper/022:56:380
111391250,0ptp4l0-21swapper/022:16:510
111391250,0ptp4l0-21swapper/021:55:130
111391250,0ptp4l0-21swapper/021:24:010
111391250,0ptp4l0-21swapper/020:25:250
111391250,0ptp4l0-21swapper/000:20:190
111391250,0ptp4l0-21swapper/000:10:120
111391240,2ptp4l0-21swapper/023:35:360
111391240,2ptp4l0-21swapper/023:15:200
111391240,1ptp4l26866-21ssh22:05:130
111391240,1ptp4l26844-21smart_sda22:50:200
111391240,1ptp4l22150-21ptp4l-jitter23:30:191
111391240,1ptp4l21465-21netstat20:00:172
111391240,1ptp4l19921-21diskmemload21:51:270
111391240,1ptp4l18367-21munin-run22:40:000
111391240,0ptp4l0-21swapper/723:54:117
111391240,0ptp4l0-21swapper/523:35:515
111391240,0ptp4l0-21swapper/523:10:125
111391240,0ptp4l0-21swapper/522:07:095
111391240,0ptp4l0-21swapper/423:20:084
111391240,0ptp4l0-21swapper/423:10:004
111391240,0ptp4l0-21swapper/420:35:194
111391240,0ptp4l0-21swapper/419:35:224
111391240,0ptp4l0-21swapper/322:00:173
111391240,0ptp4l0-21swapper/219:35:192
111391240,0ptp4l0-21swapper/122:58:251
111391240,0ptp4l0-21swapper/120:55:121
111391240,0ptp4l0-21swapper/023:00:070
111391240,0ptp4l0-21swapper/022:48:160
111391240,0ptp4l0-21swapper/022:12:300
111391240,0ptp4l0-21swapper/020:00:160
111391240,0ptp4l0-21swapper/019:20:000
111391240,0ptp4l0-21swapper/000:17:040
111391230,1ptp4l23923-21cat21:15:005
111391230,1ptp4l19921-21diskmemload21:51:531
111391230,1ptp4l14027-21if_enp0s2519:45:151
111391230,0ptp4l0-21swapper/722:00:237
111391230,0ptp4l0-21swapper/621:40:386
111391230,0ptp4l0-21swapper/522:45:145
111391230,0ptp4l0-21swapper/522:10:135
111391230,0ptp4l0-21swapper/521:40:115
111391230,0ptp4l0-21swapper/521:05:135
111391230,0ptp4l0-21swapper/520:55:245
111391230,0ptp4l0-21swapper/520:25:345
111391230,0ptp4l0-21swapper/519:45:165
111391230,0ptp4l0-21swapper/519:30:155
111391230,0ptp4l0-21swapper/423:55:154
111391230,0ptp4l0-21swapper/423:35:124
111391230,0ptp4l0-21swapper/422:25:214
111391230,0ptp4l0-21swapper/422:25:204
111391230,0ptp4l0-21swapper/422:01:264
111391230,0ptp4l0-21swapper/421:30:174
111391230,0ptp4l0-21swapper/421:23:494
111391230,0ptp4l0-21swapper/421:10:174
111391230,0ptp4l0-21swapper/421:05:314
111391230,0ptp4l0-21swapper/420:50:254
111391230,0ptp4l0-21swapper/420:30:164
111391230,0ptp4l0-21swapper/420:15:174
111391230,0ptp4l0-21swapper/420:05:134
111391230,0ptp4l0-21swapper/420:00:134
111391230,0ptp4l0-21swapper/419:55:204
111391230,0ptp4l0-21swapper/419:50:204
111391230,0ptp4l0-21swapper/419:50:194
111391230,0ptp4l0-21swapper/322:55:323
111391230,0ptp4l0-21swapper/322:15:183
111391230,0ptp4l0-21swapper/319:40:133
111391230,0ptp4l0-21swapper/221:25:172
111391230,0ptp4l0-21swapper/200:39:592
111391230,0ptp4l0-21swapper/123:50:131
111391230,0ptp4l0-21swapper/123:21:481
111391230,0ptp4l0-21swapper/123:04:101
111391230,0ptp4l0-21swapper/122:45:131
111391230,0ptp4l0-21swapper/122:20:051
111391230,0ptp4l0-21swapper/122:12:221
111391230,0ptp4l0-21swapper/122:08:151
111391230,0ptp4l0-21swapper/121:12:441
111391230,0ptp4l0-21swapper/119:35:131
111391230,0ptp4l0-21swapper/023:55:190
111391230,0ptp4l0-21swapper/021:10:020
111391230,0ptp4l0-21swapper/020:50:210
111391230,0ptp4l0-21swapper/020:35:150
111391230,0ptp4l0-21swapper/020:30:180
111391220,0ptp4l0-21swapper/723:45:127
111391220,0ptp4l0-21swapper/721:11:427
111391220,0ptp4l0-21swapper/622:12:446
111391220,0ptp4l0-21swapper/620:20:176
111391220,0ptp4l0-21swapper/523:21:335
111391220,0ptp4l0-21swapper/523:19:405
111391220,0ptp4l0-21swapper/523:07:295
111391220,0ptp4l0-21swapper/522:58:195
111391220,0ptp4l0-21swapper/522:54:475
111391220,0ptp4l0-21swapper/522:25:185
111391220,0ptp4l0-21swapper/522:25:175
111391220,0ptp4l0-21swapper/521:48:525
111391220,0ptp4l0-21swapper/521:35:195
111391220,0ptp4l0-21swapper/521:30:005
111391220,0ptp4l0-21swapper/521:00:215
111391220,0ptp4l0-21swapper/520:40:195
111391220,0ptp4l0-21swapper/520:35:155
111391220,0ptp4l0-21swapper/519:55:135
111391220,0ptp4l0-21swapper/519:35:115
111391220,0ptp4l0-21swapper/500:25:065
111391220,0ptp4l0-21swapper/423:44:474
111391220,0ptp4l0-21swapper/423:32:424
111391220,0ptp4l0-21swapper/423:25:184
111391220,0ptp4l0-21swapper/423:15:014
111391220,0ptp4l0-21swapper/422:33:294
111391220,0ptp4l0-21swapper/422:33:284
111391220,0ptp4l0-21swapper/422:18:054
111391220,0ptp4l0-21swapper/422:11:414
111391220,0ptp4l0-21swapper/421:25:124
111391220,0ptp4l0-21swapper/420:45:184
111391220,0ptp4l0-21swapper/420:25:114
111391220,0ptp4l0-21swapper/419:30:184
111391220,0ptp4l0-21swapper/400:35:334
111391220,0ptp4l0-21swapper/400:16:324
111391220,0ptp4l0-21swapper/400:05:214
111391220,0ptp4l0-21swapper/323:53:353
111391220,0ptp4l0-21swapper/323:40:323
111391220,0ptp4l0-21swapper/323:05:103
111391220,0ptp4l0-21swapper/322:27:263
111391220,0ptp4l0-21swapper/322:27:253
111391220,0ptp4l0-21swapper/321:11:093
111391220,0ptp4l0-21swapper/222:22:412
111391220,0ptp4l0-21swapper/221:53:582
111391220,0ptp4l0-21swapper/123:40:181
111391220,0ptp4l0-21swapper/123:19:381
111391220,0ptp4l0-21swapper/122:35:131
111391220,0ptp4l0-21swapper/122:34:311
111391220,0ptp4l0-21swapper/122:34:301
111391220,0ptp4l0-21swapper/122:18:031
111391220,0ptp4l0-21swapper/121:40:141
111391220,0ptp4l0-21swapper/121:37:171
111391220,0ptp4l0-21swapper/121:15:151
111391220,0ptp4l0-21swapper/121:05:011
111391220,0ptp4l0-21swapper/120:40:231
111391220,0ptp4l0-21swapper/120:40:001
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/100:35:171
111391220,0ptp4l0-21swapper/100:22:361
111391220,0ptp4l0-21swapper/100:05:131
111391220,0ptp4l0-21swapper/023:20:150
111391220,0ptp4l0-21swapper/023:05:200
111391220,0ptp4l0-21swapper/022:03:520
111391220,0ptp4l0-21swapper/021:35:170
111391220,0ptp4l0-21swapper/021:25:140
111391220,0ptp4l0-21swapper/020:45:130
111391220,0ptp4l0-21swapper/020:15:170
111391220,0ptp4l0-21swapper/020:10:130
111391220,0ptp4l0-21swapper/019:30:190
111391220,0ptp4l0-21swapper/019:25:160
111391220,0ptp4l0-21swapper/000:25:120
111391210,2ptp4l0-21swapper/123:05:241
111391210,0ptp4l33-21ksoftirqd/221:49:062
111391210,0ptp4l0-21swapper/723:40:567
111391210,0ptp4l0-21swapper/723:04:377
111391210,0ptp4l0-21swapper/722:26:287
111391210,0ptp4l0-21swapper/722:26:277
111391210,0ptp4l0-21swapper/720:34:097
111391210,0ptp4l0-21swapper/719:40:117
111391210,0ptp4l0-21swapper/622:55:056
111391210,0ptp4l0-21swapper/620:00:256
111391210,0ptp4l0-21swapper/523:55:515
111391210,0ptp4l0-21swapper/522:44:085
111391210,0ptp4l0-21swapper/522:19:475
111391210,0ptp4l0-21swapper/522:01:235
111391210,0ptp4l0-21swapper/521:29:545
111391210,0ptp4l0-21swapper/521:21:105
111391210,0ptp4l0-21swapper/520:34:265
111391210,0ptp4l0-21swapper/520:10:525
111391210,0ptp4l0-21swapper/520:09:255
111391210,0ptp4l0-21swapper/519:41:485
111391210,0ptp4l0-21swapper/500:11:395
111391210,0ptp4l0-21swapper/322:45:573
111391210,0ptp4l0-21swapper/223:01:242
111391210,0ptp4l0-21swapper/222:58:552
111391210,0ptp4l0-21swapper/222:37:592
111391210,0ptp4l0-21swapper/222:11:292
111391210,0ptp4l0-21swapper/222:08:572
111391210,0ptp4l0-21swapper/221:41:592
111391210,0ptp4l0-21swapper/221:31:472
111391210,0ptp4l0-21swapper/221:10:122
111391210,0ptp4l0-21swapper/200:26:332
111391210,0ptp4l0-21swapper/121:34:151
111391210,0ptp4l0-21swapper/100:25:051
111391210,0ptp4l0-21swapper/023:48:000
111391210,0ptp4l0-21swapper/022:28:400
111391210,0ptp4l0-21swapper/022:28:400
111391200,3ptp4l321ktimersoftd/200:16:562
111391200,0ptp4l4429-21kworker/0:222:33:240
111391200,0ptp4l4429-21kworker/0:222:33:230
111391200,0ptp4l0-21swapper/723:32:287
111391200,0ptp4l0-21swapper/720:12:257
111391200,0ptp4l0-21swapper/623:34:206
111391200,0ptp4l0-21swapper/623:29:316
111391200,0ptp4l0-21swapper/622:38:046
111391200,0ptp4l0-21swapper/521:50:575
111391200,0ptp4l0-21swapper/520:50:595
111391200,0ptp4l0-21swapper/520:17:265
111391200,0ptp4l0-21swapper/520:03:005
111391200,0ptp4l0-21swapper/500:04:575
111391200,0ptp4l0-21swapper/419:46:454
111391200,0ptp4l0-21swapper/300:01:163
111391200,0ptp4l0-21swapper/223:34:182
111391200,0ptp4l0-21swapper/223:13:002
111391200,0ptp4l0-21swapper/223:06:312
111391200,0ptp4l0-21swapper/122:40:461
111391200,0ptp4l0-21swapper/121:56:131
111391200,0ptp4l0-21swapper/121:21:121
111391200,0ptp4l0-21swapper/120:54:421
111391200,0ptp4l0-21swapper/120:25:421
111391200,0ptp4l0-21swapper/120:19:261
111391200,0ptp4l0-21swapper/119:55:001
111391200,0ptp4l0-21swapper/119:54:591
111391200,0ptp4l0-21swapper/020:42:260
111391200,0ptp4l0-21swapper/020:22:060
111391200,0ptp4l0-21swapper/020:05:500
111391200,0ptp4l0-21swapper/019:47:460
111391200,0ptp4l0-21swapper/019:42:250
111391200,0ptp4l0-21swapper/019:35:220
111391190,0ptp4l0-21swapper/719:39:277
111391190,0ptp4l0-21swapper/621:31:486
111391190,0ptp4l0-21swapper/620:47:356
111391190,0ptp4l0-21swapper/522:34:315
111391190,0ptp4l0-21swapper/522:34:315
111391190,0ptp4l0-21swapper/521:58:475
111391190,0ptp4l0-21swapper/519:52:595
111391190,0ptp4l0-21swapper/519:52:595
111391190,0ptp4l0-21swapper/420:42:104
111391190,0ptp4l0-21swapper/323:32:283
111391190,0ptp4l0-21swapper/222:42:412
111391190,0ptp4l0-21swapper/100:04:591
111391180,1ptp4l0-21swapper/120:02:271
111391180,0ptp4l0-21swapper/621:38:216
111391180,0ptp4l0-21swapper/621:25:366
111391180,0ptp4l0-21swapper/619:11:076
111391180,0ptp4l0-21swapper/600:40:016
111391180,0ptp4l0-21swapper/322:11:323
111391180,0ptp4l0-21swapper/223:37:472
111391180,0ptp4l0-21swapper/223:29:322
111391180,0ptp4l0-21swapper/200:12:132
111391180,0ptp4l0-21swapper/120:10:571
111391170,2ptp4l0-21swapper/120:20:261
111391170,0ptp4l0-21swapper/722:11:307
111391170,0ptp4l0-21swapper/700:01:217
111391170,0ptp4l0-21swapper/623:37:476
111391170,0ptp4l0-21swapper/623:13:026
111391170,0ptp4l0-21swapper/622:03:436
111391170,0ptp4l0-21swapper/520:20:405
111391170,0ptp4l0-21swapper/119:27:591
111391170,0ptp4l0-21swapper/119:19:151
111391160,1ptp4l0-21swapper/419:42:284
111391160,0ptp4l0-21swapper/620:07:296
111391160,0ptp4l0-21swapper/421:02:494
111391160,0ptp4l0-21swapper/420:22:004
111391160,0ptp4l0-21swapper/320:57:003
111391160,0ptp4l0-21swapper/222:03:412
111391160,0ptp4l0-21swapper/120:06:591
111391160,0ptp4l0-21swapper/020:57:180
111391150,0ptp4l0-21swapper/721:02:257
111391150,0ptp4l0-21swapper/720:56:027
111391150,0ptp4l0-21swapper/720:21:047
111391150,0ptp4l0-21swapper/623:06:336
111391150,0ptp4l0-21swapper/620:39:206
111391150,0ptp4l0-21swapper/620:27:386
111391150,0ptp4l0-21swapper/619:45:426
111391150,0ptp4l0-21swapper/619:42:496
111391150,0ptp4l0-21swapper/619:27:236
111391150,0ptp4l0-21swapper/619:22:476
111391150,0ptp4l0-21swapper/619:16:596
111391150,0ptp4l0-21swapper/600:26:336
111391150,0ptp4l0-21swapper/520:45:455
111391150,0ptp4l0-21swapper/519:25:295
111391150,0ptp4l0-21swapper/519:16:485
111391150,0ptp4l0-21swapper/519:11:315
111391150,0ptp4l0-21swapper/420:57:184
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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