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2026-04-11 - 06:00

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 Apr 11, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,11ptp4l0-21swapper/419:05:134
214532630,0sleep10-21swapper/100:26:021
111391610,5ptp4l19572-21taskset19:06:471
1949826050,6sleep70-21swapper/719:05:537
111391600,5ptp4l0-21swapper/019:05:450
135972590,0sleep40-21swapper/421:12:204
288822570,2sleep12010299cyclictest23:05:121
209902570,0sleep70-21swapper/721:22:247
245222560,1sleep024526-21latency_hist23:45:000
1791325544,6sleep20-21swapper/219:05:082
111391550,5ptp4l0-21swapper/519:06:335
1980325039,6sleep60-21swapper/619:09:446
1978024736,7sleep30-21swapper/319:09:263
111391340,0ptp4l0-21swapper/423:01:394
111391330,1ptp4l23475-21fw_forwarded_lo19:15:144
111391330,0ptp4l0-21swapper/023:45:190
111391330,0ptp4l0-21swapper/021:55:500
111391330,0ptp4l0-21swapper/020:50:180
111391320,0ptp4l0-21swapper/421:33:224
111391310,0ptp4l0-21swapper/521:50:225
111391310,0ptp4l0-21swapper/021:30:160
111391300,0ptp4l13797-21ssh21:57:504
111391300,0ptp4l0-21swapper/421:37:094
111391300,0ptp4l0-21swapper/400:23:484
111391300,0ptp4l0-21swapper/022:13:060
111391300,0ptp4l0-21swapper/021:42:170
111391290,3ptp4l0-21swapper/423:17:174
111391290,0ptp4l0-21swapper/422:32:484
111391290,0ptp4l0-21swapper/421:53:014
111391290,0ptp4l0-21swapper/400:31:384
111391290,0ptp4l0-21swapper/121:30:181
111391290,0ptp4l0-21swapper/121:00:121
111391290,0ptp4l0-21swapper/022:56:030
111391290,0ptp4l0-21swapper/021:18:540
111391290,0ptp4l0-21swapper/021:00:170
111391280,0ptp4l0-21swapper/522:35:435
111391280,0ptp4l0-21swapper/423:22:464
111391280,0ptp4l0-21swapper/422:05:494
111391280,0ptp4l0-21swapper/421:45:074
111391280,0ptp4l0-21swapper/421:17:584
111391280,0ptp4l0-21swapper/420:00:204
111391280,0ptp4l0-21swapper/400:36:174
111391280,0ptp4l0-21swapper/400:26:474
111391280,0ptp4l0-21swapper/100:07:401
111391280,0ptp4l0-21swapper/100:07:391
111391280,0ptp4l0-21swapper/021:35:500
111391270,4ptp4l0-21swapper/500:37:215
111391270,0ptp4l0-21swapper/422:46:294
111391270,0ptp4l0-21swapper/422:04:224
111391270,0ptp4l0-21swapper/421:43:414
111391270,0ptp4l0-21swapper/421:27:144
111391270,0ptp4l0-21swapper/421:27:144
111391270,0ptp4l0-21swapper/400:09:004
111391270,0ptp4l0-21swapper/400:08:594
111391270,0ptp4l0-21swapper/121:14:131
111391270,0ptp4l0-21swapper/023:05:070
111391270,0ptp4l0-21swapper/022:21:130
111391260,2ptp4l0-21swapper/423:43:444
111391260,2ptp4l0-21swapper/421:20:064
111391260,0ptp4l0-21swapper/721:39:037
111391260,0ptp4l0-21swapper/423:36:294
111391260,0ptp4l0-21swapper/423:30:534
111391260,0ptp4l0-21swapper/422:18:594
111391260,0ptp4l0-21swapper/420:30:154
111391260,0ptp4l0-21swapper/400:10:144
111391260,0ptp4l0-21swapper/321:40:143
111391260,0ptp4l0-21swapper/122:15:571
111391260,0ptp4l0-21swapper/121:16:191
111391260,0ptp4l0-21swapper/023:56:410
111391260,0ptp4l0-21swapper/022:41:380
111391260,0ptp4l0-21swapper/000:05:020
111391260,0ptp4l0-21swapper/000:05:010
111391260,0ptp4l0-21swapper/000:03:150
111391260,0ptp4l0-21swapper/000:03:150
111391250,1ptp4l9303-21timerwakeupswit21:50:201
111391250,0ptp4l0-21swapper/423:55:114
111391250,0ptp4l0-21swapper/423:25:194
111391250,0ptp4l0-21swapper/422:10:214
111391250,0ptp4l0-21swapper/222:00:192
111391250,0ptp4l0-21swapper/200:37:582
111391250,0ptp4l0-21swapper/122:55:121
111391250,0ptp4l0-21swapper/122:54:051
111391250,0ptp4l0-21swapper/121:35:281
111391250,0ptp4l0-21swapper/121:25:171
111391250,0ptp4l0-21swapper/121:25:171
111391250,0ptp4l0-21swapper/023:28:530
111391250,0ptp4l0-21swapper/023:18:310
111391250,0ptp4l0-21swapper/022:52:360
111391250,0ptp4l0-21swapper/022:46:010
111391250,0ptp4l0-21swapper/022:29:050
111391250,0ptp4l0-21swapper/021:29:190
111391250,0ptp4l0-21swapper/021:29:190
111391250,0ptp4l0-21swapper/020:33:240
111391250,0ptp4l0-21swapper/019:55:120
111391250,0ptp4l0-21swapper/000:34:210
111391250,0ptp4l0-21swapper/000:24:320
111391240,3ptp4l0-21swapper/420:45:164
111391240,2ptp4l0-21swapper/023:36:220
111391240,1ptp4l29763-21users23:50:195
111391240,1ptp4l24042-21smart_sda20:25:180
111391240,1ptp4l21079-21memory19:10:154
111391240,1ptp4l18795-21diskstats22:05:110
111391240,1ptp4l1214-21memory22:25:175
111391240,1ptp4l0-21swapper/522:44:415
111391240,0ptp4l0-21swapper/723:54:137
111391240,0ptp4l0-21swapper/523:05:585
111391240,0ptp4l0-21swapper/423:45:484
111391240,0ptp4l0-21swapper/422:51:424
111391240,0ptp4l0-21swapper/422:24:024
111391240,0ptp4l0-21swapper/421:05:184
111391240,0ptp4l0-21swapper/419:55:174
111391240,0ptp4l0-21swapper/121:49:221
111391240,0ptp4l0-21swapper/100:38:511
111391240,0ptp4l0-21swapper/023:10:200
111391240,0ptp4l0-21swapper/023:02:290
111391240,0ptp4l0-21swapper/022:17:420
111391240,0ptp4l0-21swapper/021:49:420
111391240,0ptp4l0-21swapper/021:21:200
111391240,0ptp4l0-21swapper/021:11:180
111391240,0ptp4l0-21swapper/020:05:200
111391240,0ptp4l0-21swapper/019:19:590
111391240,0ptp4l0-21swapper/000:27:130
111391230,1ptp4l6505-21munin-run19:50:000
111391230,0ptp4l2528-21df19:40:121
111391230,0ptp4l0-21swapper/623:15:146
111391230,0ptp4l0-21swapper/622:25:216
111391230,0ptp4l0-21swapper/622:00:216
111391230,0ptp4l0-21swapper/523:30:205
111391230,0ptp4l0-21swapper/523:20:125
111391230,0ptp4l0-21swapper/522:55:145
111391230,0ptp4l0-21swapper/522:14:125
111391230,0ptp4l0-21swapper/521:30:215
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/519:50:175
111391230,0ptp4l0-21swapper/519:40:215
111391230,0ptp4l0-21swapper/500:32:265
111391230,0ptp4l0-21swapper/423:53:114
111391230,0ptp4l0-21swapper/423:10:194
111391230,0ptp4l0-21swapper/423:06:164
111391230,0ptp4l0-21swapper/422:40:144
111391230,0ptp4l0-21swapper/422:39:054
111391230,0ptp4l0-21swapper/420:50:174
111391230,0ptp4l0-21swapper/420:35:124
111391230,0ptp4l0-21swapper/420:25:004
111391230,0ptp4l0-21swapper/419:50:144
111391230,0ptp4l0-21swapper/419:40:014
111391230,0ptp4l0-21swapper/419:25:204
111391230,0ptp4l0-21swapper/419:20:144
111391230,0ptp4l0-21swapper/400:15:134
111391230,0ptp4l0-21swapper/223:15:142
111391230,0ptp4l0-21swapper/223:03:492
111391230,0ptp4l0-21swapper/123:55:421
111391230,0ptp4l0-21swapper/123:50:201
111391230,0ptp4l0-21swapper/123:40:131
111391230,0ptp4l0-21swapper/122:45:121
111391230,0ptp4l0-21swapper/120:30:131
111391230,0ptp4l0-21swapper/120:20:131
111391230,0ptp4l0-21swapper/120:00:131
111391230,0ptp4l0-21swapper/100:18:201
111391230,0ptp4l0-21swapper/023:30:150
111391230,0ptp4l0-21swapper/023:21:410
111391230,0ptp4l0-21swapper/022:35:000
111391230,0ptp4l0-21swapper/022:03:280
111391230,0ptp4l0-21swapper/020:55:180
111391230,0ptp4l0-21swapper/020:15:130
111391230,0ptp4l0-21swapper/020:10:290
111391230,0ptp4l0-21swapper/019:30:090
111391230,0ptp4l0-21swapper/000:15:560
111391230,0ptp4l0-21swapper/000:10:160
111391220,0ptp4l0-21swapper/721:40:167
111391220,0ptp4l0-21swapper/622:39:246
111391220,0ptp4l0-21swapper/620:45:126
111391220,0ptp4l0-21swapper/600:01:026
111391220,0ptp4l0-21swapper/600:01:016
111391220,0ptp4l0-21swapper/523:55:575
111391220,0ptp4l0-21swapper/522:50:475
111391220,0ptp4l0-21swapper/522:15:015
111391220,0ptp4l0-21swapper/522:00:145
111391220,0ptp4l0-21swapper/521:55:235
111391220,0ptp4l0-21swapper/521:48:555
111391220,0ptp4l0-21swapper/521:17:135
111391220,0ptp4l0-21swapper/521:11:135
111391220,0ptp4l0-21swapper/521:00:135
111391220,0ptp4l0-21swapper/520:20:205
111391220,0ptp4l0-21swapper/520:10:175
111391220,0ptp4l0-21swapper/520:00:145
111391220,0ptp4l0-21swapper/519:45:045
111391220,0ptp4l0-21swapper/519:35:135
111391220,0ptp4l0-21swapper/500:19:415
111391220,0ptp4l0-21swapper/500:09:235
111391220,0ptp4l0-21swapper/500:09:235
111391220,0ptp4l0-21swapper/500:04:475
111391220,0ptp4l0-21swapper/500:04:475
111391220,0ptp4l0-21swapper/422:55:114
111391220,0ptp4l0-21swapper/421:04:454
111391220,0ptp4l0-21swapper/420:55:134
111391220,0ptp4l0-21swapper/420:40:114
111391220,0ptp4l0-21swapper/420:05:154
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:40:174
111391220,0ptp4l0-21swapper/419:30:124
111391220,0ptp4l0-21swapper/400:00:164
111391220,0ptp4l0-21swapper/400:00:154
111391220,0ptp4l0-21swapper/223:55:192
111391220,0ptp4l0-21swapper/223:29:272
111391220,0ptp4l0-21swapper/222:25:222
111391220,0ptp4l0-21swapper/220:45:112
111391220,0ptp4l0-21swapper/219:25:132
111391220,0ptp4l0-21swapper/123:49:581
111391220,0ptp4l0-21swapper/123:20:191
111391220,0ptp4l0-21swapper/123:17:511
111391220,0ptp4l0-21swapper/122:44:041
111391220,0ptp4l0-21swapper/122:25:161
111391220,0ptp4l0-21swapper/122:22:411
111391220,0ptp4l0-21swapper/122:15:001
111391220,0ptp4l0-21swapper/122:06:221
111391220,0ptp4l0-21swapper/122:00:131
111391220,0ptp4l0-21swapper/120:38:051
111391220,0ptp4l0-21swapper/120:10:121
111391220,0ptp4l0-21swapper/120:05:141
111391220,0ptp4l0-21swapper/120:00:001
111391220,0ptp4l0-21swapper/119:45:211
111391220,0ptp4l0-21swapper/100:31:211
111391220,0ptp4l0-21swapper/023:50:130
111391220,0ptp4l0-21swapper/022:35:180
111391220,0ptp4l0-21swapper/021:51:470
111391220,0ptp4l0-21swapper/021:05:130
111391220,0ptp4l0-21swapper/020:45:150
111391220,0ptp4l0-21swapper/020:40:000
111391220,0ptp4l0-21swapper/020:35:110
111391220,0ptp4l0-21swapper/020:00:120
111391220,0ptp4l0-21swapper/019:40:150
111391220,0ptp4l0-21swapper/019:20:140
111391220,0ptp4l0-21swapper/019:10:140
111391220,0ptp4l0-21swapper/000:35:230
111391210,0ptp4l0-21swapper/623:41:316
111391210,0ptp4l0-21swapper/623:29:306
111391210,0ptp4l0-21swapper/623:03:476
111391210,0ptp4l0-21swapper/523:49:495
111391210,0ptp4l0-21swapper/523:42:295
111391210,0ptp4l0-21swapper/523:18:125
111391210,0ptp4l0-21swapper/522:33:295
111391210,0ptp4l0-21swapper/522:23:315
111391210,0ptp4l0-21swapper/522:07:275
111391210,0ptp4l0-21swapper/521:35:555
111391210,0ptp4l0-21swapper/520:09:395
111391210,0ptp4l0-21swapper/519:57:195
111391210,0ptp4l0-21swapper/422:25:184
111391210,0ptp4l0-21swapper/420:25:174
111391210,0ptp4l0-21swapper/420:10:394
111391210,0ptp4l0-21swapper/323:54:183
111391210,0ptp4l0-21swapper/323:32:373
111391210,0ptp4l0-21swapper/321:37:453
111391210,0ptp4l0-21swapper/223:53:392
111391210,0ptp4l0-21swapper/222:16:562
111391210,0ptp4l0-21swapper/221:35:202
111391210,0ptp4l0-21swapper/221:34:102
111391210,0ptp4l0-21swapper/123:30:091
111391210,0ptp4l0-21swapper/123:26:471
111391210,0ptp4l0-21swapper/123:10:021
111391210,0ptp4l0-21swapper/122:35:401
111391210,0ptp4l0-21swapper/122:32:121
111391210,0ptp4l0-21swapper/121:55:151
111391210,0ptp4l0-21swapper/121:41:461
111391210,0ptp4l0-21swapper/119:35:121
111391210,0ptp4l0-21swapper/119:25:451
111391210,0ptp4l0-21swapper/100:13:351
111391210,0ptp4l0-21swapper/100:04:051
111391210,0ptp4l0-21swapper/100:04:051
111391210,0ptp4l0-21swapper/020:24:590
111391210,0ptp4l0-21swapper/019:50:120
111391210,0ptp4l0-21swapper/019:27:190
111391200,0ptp4l0-21swapper/723:32:277
111391200,0ptp4l0-21swapper/719:26:237
111391200,0ptp4l0-21swapper/623:11:236
111391200,0ptp4l0-21swapper/622:31:546
111391200,0ptp4l0-21swapper/622:16:596
111391200,0ptp4l0-21swapper/620:39:316
111391200,0ptp4l0-21swapper/523:10:015
111391200,0ptp4l0-21swapper/522:46:245
111391200,0ptp4l0-21swapper/521:42:115
111391200,0ptp4l0-21swapper/521:21:405
111391200,0ptp4l0-21swapper/520:46:295
111391200,0ptp4l0-21swapper/519:25:395
111391200,0ptp4l0-21swapper/500:29:465
111391200,0ptp4l0-21swapper/223:41:282
111391200,0ptp4l0-21swapper/223:07:092
111391200,0ptp4l0-21swapper/123:01:521
111391200,0ptp4l0-21swapper/121:20:451
111391200,0ptp4l0-21swapper/120:40:241
111391200,0ptp4l0-21swapper/019:36:420
111391190,0ptp4l0-21swapper/623:53:406
111391190,0ptp4l0-21swapper/623:38:376
111391190,0ptp4l0-21swapper/523:26:485
111391190,0ptp4l0-21swapper/523:01:135
111391190,0ptp4l0-21swapper/520:51:315
111391190,0ptp4l0-21swapper/420:18:434
111391190,0ptp4l0-21swapper/319:26:193
111391190,0ptp4l0-21swapper/222:39:222
111391190,0ptp4l0-21swapper/123:38:131
111391180,0ptp4l0-21swapper/621:35:236
111391180,0ptp4l0-21swapper/600:37:566
111391180,0ptp4l0-21swapper/523:38:115
111391180,0ptp4l0-21swapper/520:37:195
111391180,0ptp4l0-21swapper/500:11:055
111391180,0ptp4l0-21swapper/223:38:372
111391180,0ptp4l0-21swapper/200:01:002
111391180,0ptp4l0-21swapper/200:01:002
204292170,0sleep60-21swapper/620:20:006
111391170,0ptp4l0-21swapper/623:07:096
111391170,0ptp4l0-21swapper/621:34:196
111391170,0ptp4l0-21swapper/520:15:125
111391170,0ptp4l0-21swapper/519:14:545
111391170,0ptp4l0-21swapper/119:50:181
111391170,0ptp4l0-21swapper/119:31:481
111391170,0ptp4l0-21swapper/119:10:391
111391160,2ptp4l0-21swapper/621:07:426
111391160,0ptp4l0-21swapper/619:25:136
111391160,0ptp4l0-21swapper/520:58:455
111391160,0ptp4l0-21swapper/222:31:542
111391160,0ptp4l0-21swapper/121:07:131
111391160,0ptp4l0-21swapper/120:59:511
111391160,0ptp4l0-21swapper/120:52:271
111391160,0ptp4l0-21swapper/120:46:211
111391160,0ptp4l0-21swapper/120:28:561
111391160,0ptp4l0-21swapper/120:15:511
111391160,0ptp4l0-21swapper/119:15:471
2014499150,1cyclictest0-21swapper/723:05:127
111391150,0ptp4l0-21swapper/623:55:016
111391150,0ptp4l0-21swapper/623:31:126
111391150,0ptp4l0-21swapper/620:58:016
111391150,0ptp4l0-21swapper/620:42:396
111391150,0ptp4l0-21swapper/620:08:416
111391150,0ptp4l0-21swapper/619:34:176
111391150,0ptp4l0-21swapper/619:11:576
111391150,0ptp4l0-21swapper/521:05:445
111391150,0ptp4l0-21swapper/520:40:275
111391150,0ptp4l0-21swapper/520:32:005
111391150,0ptp4l0-21swapper/519:34:375
111391150,0ptp4l0-21swapper/519:21:235
111391150,0ptp4l0-21swapper/519:15:485
111391150,0ptp4l0-21swapper/223:31:112
111391150,0ptp4l0-21swapper/220:16:292
111391150,0ptp4l0-21swapper/220:08:452
111391150,0ptp4l0-21swapper/219:11:552
111391150,0ptp4l0-21swapper/119:21:271
111391140,0ptp4l0-21swapper/621:04:206
111391140,0ptp4l0-21swapper/620:13:126
111391140,0ptp4l0-21swapper/520:28:595
111391140,0ptp4l0-21swapper/223:11:202
111391140,0ptp4l0-21swapper/221:57:162
111391140,0ptp4l0-21swapper/221:14:052
111391140,0ptp4l0-21swapper/221:07:422
111391140,0ptp4l0-21swapper/221:04:202
111391140,0ptp4l0-21swapper/220:57:592
111391140,0ptp4l0-21swapper/220:42:362
111391140,0ptp4l0-21swapper/220:38:482
111391140,0ptp4l0-21swapper/220:13:112
111391140,0ptp4l0-21swapper/219:34:162
2014499110,10cyclictest0-21swapper/722:39:247
2014499109,0cyclictest0-21swapper/720:50:117
2014499100,9cyclictest0-21swapper/721:53:507
2014499100,9cyclictest0-21swapper/700:01:377
2014499100,9cyclictest0-21swapper/700:01:367
2014499100,0cyclictest0-21swapper/700:27:417
2013799109,0cyclictest0-21swapper/623:20:386
2013799100,9cyclictest0-21swapper/621:26:046
2013799100,9cyclictest0-21swapper/621:26:046
2013799100,9cyclictest0-21swapper/600:12:396
2011599100,9cyclictest0-21swapper/323:58:473
2011099109,0cyclictest0-21swapper/220:50:132
2011099100,9cyclictest0-21swapper/222:49:392
201449998,0cyclictest0-21swapper/719:10:427
201379990,0cyclictest0-21swapper/623:46:346
201379990,0cyclictest0-21swapper/622:52:126
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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