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2026-08-10 - 08:15

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 Mon Aug 10, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,2ptp4l0-21swapper/019:05:120
111391630,5ptp4l0-21swapper/419:05:564
87482620,0sleep00-21swapper/000:30:160
111391610,30ptp4l0-21swapper/119:06:591
3108825949,6sleep70-21swapper/719:08:147
111391580,5ptp4l0-21swapper/519:08:075
3104325534,6sleep60-21swapper/619:07:416
3086925241,7sleep20-21swapper/219:05:292
3092024635,7sleep30-21swapper/319:06:023
198342370,0sleep33151599cyclictest23:16:013
111391320,0ptp4l0-21swapper/421:49:564
111391320,0ptp4l0-21swapper/400:10:194
111391310,0ptp4l0-21swapper/421:32:154
111391310,0ptp4l0-21swapper/400:05:204
111391310,0ptp4l0-21swapper/019:10:160
111391300,0ptp4l0-21swapper/423:20:214
111391300,0ptp4l0-21swapper/420:55:164
111391300,0ptp4l0-21swapper/420:10:234
111391300,0ptp4l0-21swapper/420:10:224
111391300,0ptp4l0-21swapper/400:35:344
111391300,0ptp4l0-21swapper/021:17:340
111391290,0ptp4l0-21swapper/523:09:065
111391290,0ptp4l0-21swapper/521:45:175
111391290,0ptp4l0-21swapper/500:00:215
111391290,0ptp4l0-21swapper/423:46:584
111391290,0ptp4l0-21swapper/423:25:194
111391290,0ptp4l0-21swapper/423:05:134
111391290,0ptp4l0-21swapper/422:51:204
111391290,0ptp4l0-21swapper/421:53:064
111391290,0ptp4l0-21swapper/400:01:234
111391290,0ptp4l0-21swapper/023:58:260
111391290,0ptp4l0-21swapper/022:10:520
111391290,0ptp4l0-21swapper/021:48:490
111391290,0ptp4l0-21swapper/021:38:460
111391290,0ptp4l0-21swapper/021:31:450
111391290,0ptp4l0-21swapper/021:10:200
111391280,3ptp4l101ktimersoftd/020:00:280
111391280,0ptp4l0-21swapper/522:42:405
111391280,0ptp4l0-21swapper/422:44:434
111391280,0ptp4l0-21swapper/400:22:444
111391280,0ptp4l0-21swapper/221:54:242
111391280,0ptp4l0-21swapper/100:16:531
111391280,0ptp4l0-21swapper/023:28:070
111391280,0ptp4l0-21swapper/023:17:510
111391280,0ptp4l0-21swapper/022:59:040
111391280,0ptp4l0-21swapper/021:40:420
111391280,0ptp4l0-21swapper/020:35:010
111391270,0ptp4l0-21swapper/723:01:587
111391270,0ptp4l0-21swapper/522:11:065
111391270,0ptp4l0-21swapper/423:58:514
111391270,0ptp4l0-21swapper/422:18:434
111391270,0ptp4l0-21swapper/422:08:174
111391270,0ptp4l0-21swapper/421:20:314
111391270,0ptp4l0-21swapper/421:17:184
111391270,0ptp4l0-21swapper/400:18:334
111391270,0ptp4l0-21swapper/323:03:053
111391270,0ptp4l0-21swapper/122:40:501
111391260,1ptp4l0-21swapper/022:09:200
111391260,0ptp4l121rcu_preempt22:29:190
111391260,0ptp4l0-21swapper/422:38:524
111391260,0ptp4l0-21swapper/421:41:434
111391260,0ptp4l0-21swapper/222:37:012
111391260,0ptp4l0-21swapper/123:57:061
111391260,0ptp4l0-21swapper/023:46:520
111391260,0ptp4l0-21swapper/023:31:540
111391260,0ptp4l0-21swapper/022:46:040
111391260,0ptp4l0-21swapper/022:46:030
111391260,0ptp4l0-21swapper/022:37:250
111391260,0ptp4l0-21swapper/021:27:050
111391260,0ptp4l0-21swapper/021:00:170
111391260,0ptp4l0-21swapper/020:57:580
111391260,0ptp4l0-21swapper/020:25:160
111391250,1ptp4l32344-21irqstats19:10:164
111391250,0ptp4l0-21swapper/722:54:347
111391250,0ptp4l0-21swapper/721:36:597
111391250,0ptp4l0-21swapper/523:53:385
111391250,0ptp4l0-21swapper/523:46:065
111391250,0ptp4l0-21swapper/523:37:385
111391250,0ptp4l0-21swapper/522:15:515
111391250,0ptp4l0-21swapper/520:15:155
111391250,0ptp4l0-21swapper/500:16:525
111391250,0ptp4l0-21swapper/422:31:314
111391250,0ptp4l0-21swapper/422:22:024
111391250,0ptp4l0-21swapper/421:35:544
111391250,0ptp4l0-21swapper/421:11:234
111391250,0ptp4l0-21swapper/420:05:124
111391250,0ptp4l0-21swapper/420:00:004
111391250,0ptp4l0-21swapper/123:53:021
111391250,0ptp4l0-21swapper/121:55:511
111391250,0ptp4l0-21swapper/120:40:161
111391250,0ptp4l0-21swapper/023:50:020
111391250,0ptp4l0-21swapper/023:09:270
111391250,0ptp4l0-21swapper/022:23:140
111391250,0ptp4l0-21swapper/021:50:190
111391250,0ptp4l0-21swapper/020:40:210
111391250,0ptp4l0-21swapper/019:45:160
111391250,0ptp4l0-21swapper/019:35:220
111391250,0ptp4l0-21swapper/000:25:240
111391250,0ptp4l0-21swapper/000:24:000
111391240,7ptp4l0-21swapper/520:36:445
111391240,2ptp4l0-21swapper/422:03:554
111391240,1ptp4l9795-21latency19:30:154
111391240,1ptp4l30854-21munin-run22:05:005
111391240,1ptp4l28612-21sed20:10:240
111391240,1ptp4l28612-21sed20:10:230
111391240,1ptp4l19149-21smartctl21:00:204
111391240,1ptp4l14677-21find20:50:174
111391240,1ptp4l10238-21fw_conntrack22:20:125
111391240,0ptp4l0-21swapper/723:10:597
111391240,0ptp4l0-21swapper/722:55:127
111391240,0ptp4l0-21swapper/521:15:155
111391240,0ptp4l0-21swapper/521:14:135
111391240,0ptp4l0-21swapper/423:35:164
111391240,0ptp4l0-21swapper/400:32:474
111391240,0ptp4l0-21swapper/323:10:153
111391240,0ptp4l0-21swapper/121:39:281
111391240,0ptp4l0-21swapper/121:09:591
111391240,0ptp4l0-21swapper/100:07:521
111391240,0ptp4l0-21swapper/023:37:310
111391240,0ptp4l0-21swapper/023:20:120
111391240,0ptp4l0-21swapper/023:00:100
111391240,0ptp4l0-21swapper/022:44:540
111391240,0ptp4l0-21swapper/020:30:190
111391240,0ptp4l0-21swapper/019:40:140
111391240,0ptp4l0-21swapper/000:35:040
111391240,0ptp4l0-21swapper/000:05:260
111391230,2ptp4l0-21swapper/423:14:084
111391230,1ptp4l6850-21df20:35:134
111391230,1ptp4l31125-21sed21:20:150
111391230,1ptp4l25467-21/usr/sbin/munin20:05:130
111391230,1ptp4l2505-21fw_conntrack19:15:140
111391230,0ptp4l0-21swapper/622:22:586
111391230,0ptp4l0-21swapper/620:20:206
111391230,0ptp4l0-21swapper/523:55:175
111391230,0ptp4l0-21swapper/523:31:235
111391230,0ptp4l0-21swapper/523:20:175
111391230,0ptp4l0-21swapper/522:30:185
111391230,0ptp4l0-21swapper/522:08:455
111391230,0ptp4l0-21swapper/521:25:005
111391230,0ptp4l0-21swapper/520:55:155
111391230,0ptp4l0-21swapper/520:40:155
111391230,0ptp4l0-21swapper/520:25:015
111391230,0ptp4l0-21swapper/519:45:115
111391230,0ptp4l0-21swapper/519:20:125
111391230,0ptp4l0-21swapper/500:31:315
111391230,0ptp4l0-21swapper/423:50:124
111391230,0ptp4l0-21swapper/423:30:124
111391230,0ptp4l0-21swapper/423:15:134
111391230,0ptp4l0-21swapper/423:00:154
111391230,0ptp4l0-21swapper/422:46:534
111391230,0ptp4l0-21swapper/422:46:524
111391230,0ptp4l0-21swapper/422:25:124
111391230,0ptp4l0-21swapper/421:27:274
111391230,0ptp4l0-21swapper/420:25:164
111391230,0ptp4l0-21swapper/420:00:254
111391230,0ptp4l0-21swapper/419:50:144
111391230,0ptp4l0-21swapper/419:25:154
111391230,0ptp4l0-21swapper/400:25:164
111391230,0ptp4l0-21swapper/322:55:143
111391230,0ptp4l0-21swapper/123:40:171
111391230,0ptp4l0-21swapper/123:20:151
111391230,0ptp4l0-21swapper/122:58:181
111391230,0ptp4l0-21swapper/122:04:371
111391230,0ptp4l0-21swapper/121:14:461
111391230,0ptp4l0-21swapper/120:25:121
111391230,0ptp4l0-21swapper/119:45:131
111391230,0ptp4l0-21swapper/119:20:211
111391230,0ptp4l0-21swapper/119:15:201
111391230,0ptp4l0-21swapper/023:44:580
111391230,0ptp4l0-21swapper/022:50:190
111391230,0ptp4l0-21swapper/022:15:100
111391230,0ptp4l0-21swapper/022:00:140
111391230,0ptp4l0-21swapper/020:50:190
111391230,0ptp4l0-21swapper/019:55:130
111391230,0ptp4l0-21swapper/019:50:180
111391230,0ptp4l0-21swapper/000:17:350
111391230,0ptp4l0-21swapper/000:10:110
111391230,0ptp4l0-21swapper/000:00:520
192712220,0sleep10-21swapper/121:00:211
111391220,0ptp4l22260-21diskmemload22:55:484
111391220,0ptp4l0-21swapper/721:21:587
111391220,0ptp4l0-21swapper/623:03:276
111391220,0ptp4l0-21swapper/600:37:076
111391220,0ptp4l0-21swapper/523:41:075
111391220,0ptp4l0-21swapper/523:17:065
111391220,0ptp4l0-21swapper/523:13:415
111391220,0ptp4l0-21swapper/523:00:445
111391220,0ptp4l0-21swapper/522:57:225
111391220,0ptp4l0-21swapper/522:49:095
111391220,0ptp4l0-21swapper/522:49:095
111391220,0ptp4l0-21swapper/521:55:095
111391220,0ptp4l0-21swapper/521:54:485
111391220,0ptp4l0-21swapper/521:41:505
111391220,0ptp4l0-21swapper/521:39:265
111391220,0ptp4l0-21swapper/521:20:015
111391220,0ptp4l0-21swapper/521:05:115
111391220,0ptp4l0-21swapper/520:14:115
111391220,0ptp4l0-21swapper/520:14:115
111391220,0ptp4l0-21swapper/519:50:215
111391220,0ptp4l0-21swapper/519:15:215
111391220,0ptp4l0-21swapper/500:20:435
111391220,0ptp4l0-21swapper/423:43:044
111391220,0ptp4l0-21swapper/422:10:114
111391220,0ptp4l0-21swapper/421:55:174
111391220,0ptp4l0-21swapper/420:45:164
111391220,0ptp4l0-21swapper/420:30:174
111391220,0ptp4l0-21swapper/420:20:014
111391220,0ptp4l0-21swapper/420:15:194
111391220,0ptp4l0-21swapper/419:49:044
111391220,0ptp4l0-21swapper/419:40:154
111391220,0ptp4l0-21swapper/419:20:014
111391220,0ptp4l0-21swapper/419:18:354
111391220,0ptp4l0-21swapper/322:54:573
111391220,0ptp4l0-21swapper/322:41:293
111391220,0ptp4l0-21swapper/321:37:053
111391220,0ptp4l0-21swapper/321:21:433
111391220,0ptp4l0-21swapper/223:30:032
111391220,0ptp4l0-21swapper/220:20:192
111391220,0ptp4l0-21swapper/123:47:011
111391220,0ptp4l0-21swapper/123:39:451
111391220,0ptp4l0-21swapper/123:12:461
111391220,0ptp4l0-21swapper/122:52:291
111391220,0ptp4l0-21swapper/122:49:081
111391220,0ptp4l0-21swapper/122:49:071
111391220,0ptp4l0-21swapper/122:30:141
111391220,0ptp4l0-21swapper/122:05:431
111391220,0ptp4l0-21swapper/121:55:001
111391220,0ptp4l0-21swapper/121:45:021
111391220,0ptp4l0-21swapper/121:43:501
111391220,0ptp4l0-21swapper/121:33:081
111391220,0ptp4l0-21swapper/121:26:371
111391220,0ptp4l0-21swapper/100:31:231
111391220,0ptp4l0-21swapper/100:00:221
111391220,0ptp4l0-21swapper/023:10:060
111391220,0ptp4l0-21swapper/022:30:530
111391220,0ptp4l0-21swapper/021:55:150
111391220,0ptp4l0-21swapper/020:45:170
111391220,0ptp4l0-21swapper/020:20:130
111391220,0ptp4l0-21swapper/020:19:120
111391220,0ptp4l0-21swapper/019:30:110
111391210,3ptp4l0-21swapper/519:40:505
111391210,0ptp4l0-21swapper/623:49:206
111391210,0ptp4l0-21swapper/623:35:366
111391210,0ptp4l0-21swapper/621:36:026
111391210,0ptp4l0-21swapper/521:33:445
111391210,0ptp4l0-21swapper/521:05:005
111391210,0ptp4l0-21swapper/520:04:205
111391210,0ptp4l0-21swapper/500:27:415
111391210,0ptp4l0-21swapper/500:13:035
111391210,0ptp4l0-21swapper/500:08:085
111391210,0ptp4l0-21swapper/420:44:254
111391210,0ptp4l0-21swapper/419:35:224
111391210,0ptp4l0-21swapper/321:01:583
111391210,0ptp4l0-21swapper/319:45:183
111391210,0ptp4l0-21swapper/223:49:192
111391210,0ptp4l0-21swapper/223:35:352
111391210,0ptp4l0-21swapper/221:58:412
111391210,0ptp4l0-21swapper/200:37:062
111391210,0ptp4l0-21swapper/123:34:471
111391210,0ptp4l0-21swapper/123:15:561
111391210,0ptp4l0-21swapper/123:06:011
111391210,0ptp4l0-21swapper/123:04:301
111391210,0ptp4l0-21swapper/122:24:251
111391210,0ptp4l0-21swapper/122:15:531
111391210,0ptp4l0-21swapper/122:11:081
111391210,0ptp4l0-21swapper/121:24:361
111391210,0ptp4l0-21swapper/121:15:451
111391210,0ptp4l0-21swapper/120:15:011
111391210,0ptp4l0-21swapper/119:10:331
111391210,0ptp4l0-21swapper/100:27:541
111391210,0ptp4l0-21swapper/100:20:341
111391210,0ptp4l0-21swapper/100:12:331
111391210,0ptp4l0-21swapper/019:25:150
111391210,0ptp4l0-21swapper/019:21:010
111391200,0ptp4l0-21swapper/722:41:277
111391200,0ptp4l0-21swapper/721:00:567
111391200,0ptp4l0-21swapper/622:56:396
111391200,0ptp4l0-21swapper/621:43:286
111391200,0ptp4l0-21swapper/619:31:226
111391200,0ptp4l0-21swapper/520:50:485
111391200,0ptp4l0-21swapper/520:07:595
111391200,0ptp4l0-21swapper/519:11:565
111391200,0ptp4l0-21swapper/500:35:585
111391200,0ptp4l0-21swapper/220:17:342
111391200,0ptp4l0-21swapper/219:44:232
111391200,0ptp4l0-21swapper/200:33:472
111391200,0ptp4l0-21swapper/120:37:331
111391200,0ptp4l0-21swapper/120:11:161
111391200,0ptp4l0-21swapper/120:11:151
111391200,0ptp4l0-21swapper/119:52:571
111391200,0ptp4l0-21swapper/100:35:091
111391200,0ptp4l0-21swapper/021:05:340
111391190,0ptp4l0-21swapper/720:42:137
111391190,0ptp4l0-21swapper/719:45:197
111391190,0ptp4l0-21swapper/621:58:436
111391190,0ptp4l0-21swapper/621:54:246
111391190,0ptp4l0-21swapper/600:27:166
111391190,0ptp4l0-21swapper/600:23:426
111391190,0ptp4l0-21swapper/522:35:085
111391190,0ptp4l0-21swapper/520:34:345
111391190,0ptp4l0-21swapper/221:36:012
111391190,0ptp4l0-21swapper/123:25:431
111391190,0ptp4l0-21swapper/122:28:551
111391190,0ptp4l0-21swapper/120:48:291
111391180,0ptp4l0-21swapper/622:48:106
111391180,0ptp4l0-21swapper/622:48:096
111391180,0ptp4l0-21swapper/523:25:455
111391180,0ptp4l0-21swapper/222:23:002
111391180,0ptp4l0-21swapper/200:27:152
111391180,0ptp4l0-21swapper/122:35:431
322242170,0sleep70-21swapper/723:34:387
271612170,0sleep30-21swapper/323:25:463
111391170,0ptp4l0-21swapper/622:36:596
111391170,0ptp4l0-21swapper/522:28:585
111391170,0ptp4l0-21swapper/421:05:204
111391170,0ptp4l0-21swapper/222:48:122
111391170,0ptp4l0-21swapper/222:48:112
111391170,0ptp4l0-21swapper/200:23:402
111391170,0ptp4l0-21swapper/120:21:591
111391170,0ptp4l0-21swapper/119:40:551
111391160,0ptp4l22260-21diskmemload21:12:162
111391160,0ptp4l0-21swapper/720:07:227
111391160,0ptp4l0-21swapper/600:33:466
111391160,0ptp4l0-21swapper/520:47:095
111391160,0ptp4l0-21swapper/519:31:075
111391160,0ptp4l0-21swapper/519:28:335
111391160,0ptp4l0-21swapper/319:16:213
111391160,0ptp4l0-21swapper/223:03:262
111391160,0ptp4l0-21swapper/219:31:302
111391160,0ptp4l0-21swapper/120:58:121
111391160,0ptp4l0-21swapper/120:30:511
111391160,0ptp4l0-21swapper/120:08:511
111391160,0ptp4l0-21swapper/120:01:191
111391160,0ptp4l0-21swapper/119:58:501
111391160,0ptp4l0-21swapper/119:31:051
111391150,0ptp4l0-21swapper/719:16:237
111391150,0ptp4l0-21swapper/620:37:566
111391150,0ptp4l0-21swapper/620:17:276
111391150,0ptp4l0-21swapper/620:07:366
111391150,0ptp4l0-21swapper/619:44:206
111391150,0ptp4l0-21swapper/619:27:266
111391150,0ptp4l0-21swapper/600:18:336
111391150,0ptp4l0-21swapper/520:21:595
111391150,0ptp4l0-21swapper/519:58:545
111391150,0ptp4l0-21swapper/519:35:465
111391150,0ptp4l0-21swapper/320:41:503
111391150,0ptp4l0-21swapper/320:06:463
111391150,0ptp4l0-21swapper/222:56:402
111391150,0ptp4l0-21swapper/221:43:262
111391150,0ptp4l0-21swapper/219:59:392
111391150,0ptp4l0-21swapper/219:27:282
111391150,0ptp4l0-21swapper/219:21:212
111391150,0ptp4l0-21swapper/120:50:321
111391150,0ptp4l0-21swapper/119:35:431
111391150,0ptp4l0-21swapper/119:28:261
3151599140,13cyclictest0-21swapper/322:32:103
111391140,0ptp4l0-21swapper/720:34:037
111391140,0ptp4l0-21swapper/620:46:426
111391140,0ptp4l0-21swapper/620:31:176
111391140,0ptp4l0-21swapper/619:59:366
111391140,0ptp4l0-21swapper/619:53:236
111391140,0ptp4l0-21swapper/619:21:156
111391140,0ptp4l0-21swapper/619:11:396
111391140,0ptp4l0-21swapper/522:52:305
111391140,0ptp4l0-21swapper/220:46:412
111391140,0ptp4l0-21swapper/220:37:552
111391140,0ptp4l0-21swapper/220:31:162
111391140,0ptp4l0-21swapper/220:07:332
111391140,0ptp4l0-21swapper/219:52:112
111391140,0ptp4l0-21swapper/219:11:392
31543991311,1cyclictest22266-21munin-run21:09:597
3153599110,10cyclictest27413-21ssh22:43:416
3153599110,10cyclictest0-21swapper/622:14:006
3153599110,10cyclictest0-21swapper/622:04:336
3150799110,10cyclictest0-21swapper/221:20:172
3154399100,1cyclictest0-21swapper/721:49:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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