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2026-09-09 - 11:34

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 Sep 09, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11982640,1sleep71068-21runrttasks20:30:197
111391620,6ptp4l0-21swapper/119:05:301
111391620,31ptp4l0-21swapper/019:07:400
56912610,0sleep20-21swapper/223:56:332
111391610,2ptp4l0-21swapper/519:05:215
2523326049,6sleep70-21swapper/719:05:067
111391600,5ptp4l0-21swapper/419:08:514
2706625848,6sleep20-21swapper/219:09:032
173792560,0sleep20-21swapper/223:27:262
43862510,0sleep60-21swapper/620:39:476
2712624735,7sleep60-21swapper/619:09:546
2693224736,7sleep30-21swapper/319:07:193
77822390,0sleep52744199cyclictest21:40:105
111391340,0ptp4l0-21swapper/000:25:130
111391330,0ptp4l0-21swapper/520:35:145
111391330,0ptp4l0-21swapper/421:42:424
111391330,0ptp4l0-21swapper/021:29:350
111391320,0ptp4l0-21swapper/423:25:114
111391320,0ptp4l0-21swapper/000:20:170
44472310,0sleep60-21swapper/621:35:146
111391310,0ptp4l0-21swapper/421:53:504
111391310,0ptp4l0-21swapper/420:40:194
111391300,0ptp4l0-21swapper/422:25:364
111391300,0ptp4l0-21swapper/400:24:394
111391300,0ptp4l0-21swapper/123:00:311
111391300,0ptp4l0-21swapper/023:19:280
111391300,0ptp4l0-21swapper/022:41:380
111391300,0ptp4l0-21swapper/021:51:290
111391300,0ptp4l0-21swapper/021:30:170
111391290,8ptp4l0-21swapper/522:56:475
111391290,8ptp4l0-21swapper/522:56:475
111391290,3ptp4l101ktimersoftd/022:01:010
111391290,2ptp4l0-21swapper/500:18:355
111391290,1ptp4l0-21swapper/500:10:015
111391290,0ptp4l0-21swapper/721:26:107
111391290,0ptp4l0-21swapper/420:10:184
111391290,0ptp4l0-21swapper/022:13:080
111391280,4ptp4l0-21swapper/022:45:500
111391280,0ptp4l0-21swapper/523:51:455
111391280,0ptp4l0-21swapper/423:45:354
111391280,0ptp4l0-21swapper/422:44:104
111391280,0ptp4l0-21swapper/421:36:134
111391280,0ptp4l0-21swapper/421:17:084
111391280,0ptp4l0-21swapper/100:10:231
111391270,4ptp4l0-21swapper/421:55:224
111391270,3ptp4l401ktimersoftd/322:06:473
111391270,0ptp4l0-21swapper/522:05:135
111391270,0ptp4l0-21swapper/519:14:575
111391270,0ptp4l0-21swapper/422:50:214
111391270,0ptp4l0-21swapper/422:36:064
111391270,0ptp4l0-21swapper/421:29:574
111391270,0ptp4l0-21swapper/023:32:190
111391270,0ptp4l0-21swapper/023:26:170
111391270,0ptp4l0-21swapper/022:25:500
111391270,0ptp4l0-21swapper/022:18:240
111391270,0ptp4l0-21swapper/021:39:300
111391270,0ptp4l0-21swapper/021:20:340
111391270,0ptp4l0-21swapper/021:16:480
111391270,0ptp4l0-21swapper/019:55:460
111391260,6ptp4l0-21swapper/422:20:594
111391260,0ptp4l0-21swapper/522:54:345
111391260,0ptp4l0-21swapper/423:14:124
111391260,0ptp4l0-21swapper/423:07:374
111391260,0ptp4l0-21swapper/422:02:274
111391260,0ptp4l0-21swapper/323:00:163
111391260,0ptp4l0-21swapper/123:21:281
111391260,0ptp4l0-21swapper/122:49:101
111391260,0ptp4l0-21swapper/020:45:170
111391260,0ptp4l0-21swapper/020:10:150
111391250,3ptp4l0-21swapper/423:22:424
111391250,1ptp4l9773-21cpuspeed_turbos19:40:127
111391250,0ptp4l18189-21diskmemload22:56:024
111391250,0ptp4l18189-21diskmemload22:56:024
111391250,0ptp4l0-21swapper/523:40:215
111391250,0ptp4l0-21swapper/522:37:555
111391250,0ptp4l0-21swapper/422:05:584
111391250,0ptp4l0-21swapper/420:06:264
111391250,0ptp4l0-21swapper/419:46:504
111391250,0ptp4l0-21swapper/400:12:104
111391250,0ptp4l0-21swapper/123:59:431
111391250,0ptp4l0-21swapper/123:45:031
111391250,0ptp4l0-21swapper/121:55:001
111391250,0ptp4l0-21swapper/121:42:011
111391250,0ptp4l0-21swapper/121:21:381
111391250,0ptp4l0-21swapper/023:47:180
111391250,0ptp4l0-21swapper/023:35:210
111391250,0ptp4l0-21swapper/022:39:160
111391250,0ptp4l0-21swapper/022:30:170
111391250,0ptp4l0-21swapper/022:08:150
111391250,0ptp4l0-21swapper/021:55:370
111391250,0ptp4l0-21swapper/020:30:150
111391250,0ptp4l0-21swapper/019:15:140
111391250,0ptp4l0-21swapper/000:34:160
111391240,2ptp4l0-21swapper/422:14:244
111391240,1ptp4l31400-21sed20:25:210
111391240,1ptp4l27861-21cut20:20:010
111391240,1ptp4l27861-21cut20:20:000
111391240,1ptp4l25146-21sh22:05:141
111391240,1ptp4l23000-21memory23:35:174
111391240,1ptp4l20709-21latency_hist20:05:005
111391240,1ptp4l18888-21df21:10:121
111391240,1ptp4l14607-21irqstats21:00:161
111391240,1ptp4l11940-21df_inode20:55:120
111391240,0ptp4l0-21swapper/522:17:145
111391240,0ptp4l0-21swapper/522:11:325
111391240,0ptp4l0-21swapper/519:45:195
111391240,0ptp4l0-21swapper/519:15:365
111391240,0ptp4l0-21swapper/422:48:114
111391240,0ptp4l0-21swapper/421:31:284
111391240,0ptp4l0-21swapper/420:25:584
111391240,0ptp4l0-21swapper/220:13:572
111391240,0ptp4l0-21swapper/123:37:021
111391240,0ptp4l0-21swapper/122:59:251
111391240,0ptp4l0-21swapper/122:59:251
111391240,0ptp4l0-21swapper/122:44:021
111391240,0ptp4l0-21swapper/120:05:201
111391240,0ptp4l0-21swapper/100:35:131
111391240,0ptp4l0-21swapper/100:15:151
111391240,0ptp4l0-21swapper/023:14:500
111391240,0ptp4l0-21swapper/023:05:200
111391240,0ptp4l0-21swapper/023:00:120
111391240,0ptp4l0-21swapper/021:45:150
111391240,0ptp4l0-21swapper/020:20:110
111391240,0ptp4l0-21swapper/019:45:440
111391240,0ptp4l0-21swapper/019:40:170
111391230,1ptp4l627-21diskstats19:20:114
111391230,1ptp4l20566-21grep00:20:125
111391230,1ptp4l1293-21smartctl20:30:214
111391230,0ptp4l18189-21diskmemload22:33:361
111391230,0ptp4l0-21swapper/723:55:167
111391230,0ptp4l0-21swapper/723:00:197
111391230,0ptp4l0-21swapper/523:10:165
111391230,0ptp4l0-21swapper/522:27:515
111391230,0ptp4l0-21swapper/522:00:215
111391230,0ptp4l0-21swapper/521:10:015
111391230,0ptp4l0-21swapper/520:52:005
111391230,0ptp4l0-21swapper/520:40:145
111391230,0ptp4l0-21swapper/519:30:125
111391230,0ptp4l0-21swapper/500:30:225
111391230,0ptp4l0-21swapper/423:55:194
111391230,0ptp4l0-21swapper/423:32:004
111391230,0ptp4l0-21swapper/423:17:594
111391230,0ptp4l0-21swapper/423:05:014
111391230,0ptp4l0-21swapper/422:34:424
111391230,0ptp4l0-21swapper/421:10:214
111391230,0ptp4l0-21swapper/421:01:594
111391230,0ptp4l0-21swapper/420:20:104
111391230,0ptp4l0-21swapper/420:15:194
111391230,0ptp4l0-21swapper/420:15:194
111391230,0ptp4l0-21swapper/419:55:204
111391230,0ptp4l0-21swapper/419:55:004
111391230,0ptp4l0-21swapper/419:40:174
111391230,0ptp4l0-21swapper/419:31:484
111391230,0ptp4l0-21swapper/419:15:014
111391230,0ptp4l0-21swapper/400:37:014
111391230,0ptp4l0-21swapper/400:25:174
111391230,0ptp4l0-21swapper/400:16:324
111391230,0ptp4l0-21swapper/400:03:544
111391230,0ptp4l0-21swapper/323:55:163
111391230,0ptp4l0-21swapper/319:40:153
111391230,0ptp4l0-21swapper/319:39:173
111391230,0ptp4l0-21swapper/123:41:451
111391230,0ptp4l0-21swapper/122:51:171
111391230,0ptp4l0-21swapper/122:27:531
111391230,0ptp4l0-21swapper/122:05:011
111391230,0ptp4l0-21swapper/121:55:141
111391230,0ptp4l0-21swapper/120:35:181
111391230,0ptp4l0-21swapper/120:20:171
111391230,0ptp4l0-21swapper/119:10:001
111391230,0ptp4l0-21swapper/100:30:201
111391230,0ptp4l0-21swapper/100:05:151
111391230,0ptp4l0-21swapper/023:50:250
111391230,0ptp4l0-21swapper/023:42:140
111391230,0ptp4l0-21swapper/023:23:270
111391230,0ptp4l0-21swapper/022:55:230
111391230,0ptp4l0-21swapper/022:55:220
111391230,0ptp4l0-21swapper/022:20:130
111391230,0ptp4l0-21swapper/021:10:580
111391230,0ptp4l0-21swapper/021:05:160
111391230,0ptp4l0-21swapper/020:40:180
111391230,0ptp4l0-21swapper/020:05:150
111391230,0ptp4l0-21swapper/019:50:210
111391230,0ptp4l0-21swapper/019:25:160
111391230,0ptp4l0-21swapper/019:10:170
111391230,0ptp4l0-21swapper/000:00:200
111391220,0ptp4l0-21swapper/723:54:477
111391220,0ptp4l0-21swapper/622:18:096
111391220,0ptp4l0-21swapper/523:57:475
111391220,0ptp4l0-21swapper/523:45:145
111391220,0ptp4l0-21swapper/523:38:505
111391220,0ptp4l0-21swapper/523:33:345
111391220,0ptp4l0-21swapper/523:20:135
111391220,0ptp4l0-21swapper/523:02:145
111391220,0ptp4l0-21swapper/522:45:125
111391220,0ptp4l0-21swapper/522:40:135
111391220,0ptp4l0-21swapper/522:22:015
111391220,0ptp4l0-21swapper/521:55:155
111391220,0ptp4l0-21swapper/521:50:135
111391220,0ptp4l0-21swapper/521:15:135
111391220,0ptp4l0-21swapper/521:10:145
111391220,0ptp4l0-21swapper/521:00:155
111391220,0ptp4l0-21swapper/520:15:475
111391220,0ptp4l0-21swapper/520:15:475
111391220,0ptp4l0-21swapper/520:05:145
111391220,0ptp4l0-21swapper/519:52:525
111391220,0ptp4l0-21swapper/519:35:135
111391220,0ptp4l0-21swapper/519:25:145
111391220,0ptp4l0-21swapper/500:36:045
111391220,0ptp4l0-21swapper/500:05:015
111391220,0ptp4l0-21swapper/500:01:005
111391220,0ptp4l0-21swapper/423:50:014
111391220,0ptp4l0-21swapper/423:42:434
111391220,0ptp4l0-21swapper/422:16:104
111391220,0ptp4l0-21swapper/421:46:064
111391220,0ptp4l0-21swapper/421:20:224
111391220,0ptp4l0-21swapper/421:05:144
111391220,0ptp4l0-21swapper/420:55:134
111391220,0ptp4l0-21swapper/420:50:154
111391220,0ptp4l0-21swapper/420:45:174
111391220,0ptp4l0-21swapper/420:36:424
111391220,0ptp4l0-21swapper/419:25:004
111391220,0ptp4l0-21swapper/419:10:204
111391220,0ptp4l0-21swapper/400:05:124
111391220,0ptp4l0-21swapper/123:53:001
111391220,0ptp4l0-21swapper/123:11:481
111391220,0ptp4l0-21swapper/122:35:141
111391220,0ptp4l0-21swapper/122:20:121
111391220,0ptp4l0-21swapper/122:19:131
111391220,0ptp4l0-21swapper/121:47:311
111391220,0ptp4l0-21swapper/120:50:191
111391220,0ptp4l0-21swapper/120:40:121
111391220,0ptp4l0-21swapper/120:25:151
111391220,0ptp4l0-21swapper/120:00:171
111391220,0ptp4l0-21swapper/119:45:111
111391220,0ptp4l0-21swapper/119:35:191
111391220,0ptp4l0-21swapper/119:30:191
111391220,0ptp4l0-21swapper/119:25:121
111391220,0ptp4l0-21swapper/100:29:141
111391220,0ptp4l0-21swapper/100:01:141
111391220,0ptp4l0-21swapper/023:55:190
111391220,0ptp4l0-21swapper/022:50:160
111391220,0ptp4l0-21swapper/021:40:010
111391220,0ptp4l0-21swapper/021:03:310
111391220,0ptp4l0-21swapper/019:30:200
111391220,0ptp4l0-21swapper/000:37:030
111391220,0ptp4l0-21swapper/000:05:170
111391210,0ptp4l0-21swapper/621:48:466
111391210,0ptp4l0-21swapper/523:25:425
111391210,0ptp4l0-21swapper/523:09:005
111391210,0ptp4l0-21swapper/521:37:365
111391210,0ptp4l0-21swapper/520:47:485
111391210,0ptp4l0-21swapper/520:31:525
111391210,0ptp4l0-21swapper/520:20:195
111391210,0ptp4l0-21swapper/500:25:095
111391210,0ptp4l0-21swapper/420:00:214
111391210,0ptp4l0-21swapper/400:31:564
111391210,0ptp4l0-21swapper/323:54:563
111391210,0ptp4l0-21swapper/321:26:183
111391210,0ptp4l0-21swapper/223:19:542
111391210,0ptp4l0-21swapper/123:25:251
111391210,0ptp4l0-21swapper/123:05:351
111391210,0ptp4l0-21swapper/122:11:391
111391210,0ptp4l0-21swapper/121:28:241
111391210,0ptp4l0-21swapper/120:34:431
111391210,0ptp4l0-21swapper/119:59:171
111391210,0ptp4l0-21swapper/119:43:461
111391210,0ptp4l0-21swapper/100:23:181
111391210,0ptp4l0-21swapper/020:50:160
111391210,0ptp4l0-21swapper/019:20:120
111391210,0ptp4l0-21swapper/000:10:310
111391200,2ptp4l0-21swapper/119:54:381
111391200,0ptp4l0-21swapper/623:19:536
111391200,0ptp4l0-21swapper/620:30:186
111391200,0ptp4l0-21swapper/523:17:155
111391200,0ptp4l0-21swapper/522:30:305
111391200,0ptp4l0-21swapper/521:33:435
111391200,0ptp4l0-21swapper/519:23:585
111391200,0ptp4l0-21swapper/419:36:584
111391200,0ptp4l0-21swapper/320:30:463
111391200,0ptp4l0-21swapper/223:08:172
111391200,0ptp4l0-21swapper/222:47:072
111391200,0ptp4l0-21swapper/221:48:352
111391200,0ptp4l0-21swapper/219:26:292
111391200,0ptp4l0-21swapper/219:23:592
111391200,0ptp4l0-21swapper/200:38:192
111391200,0ptp4l0-21swapper/200:32:082
111391200,0ptp4l0-21swapper/123:31:171
111391200,0ptp4l0-21swapper/121:36:491
111391200,0ptp4l0-21swapper/120:56:221
111391200,0ptp4l0-21swapper/120:46:421
111391200,0ptp4l0-21swapper/020:38:100
111391200,0ptp4l0-21swapper/020:01:260
111391200,0ptp4l0-21swapper/000:16:220
111391190,0ptp4l0-21swapper/719:39:377
111391190,0ptp4l0-21swapper/623:44:116
111391190,0ptp4l0-21swapper/621:42:306
111391190,0ptp4l0-21swapper/619:56:186
111391190,0ptp4l0-21swapper/519:44:575
111391190,0ptp4l0-21swapper/321:24:583
111391190,0ptp4l0-21swapper/222:18:072
111391190,0ptp4l0-21swapper/221:23:522
111391190,0ptp4l0-21swapper/220:16:032
111391190,0ptp4l0-21swapper/220:16:022
111391190,0ptp4l0-21swapper/123:17:101
111391180,0ptp4l0-21swapper/721:24:537
111391180,0ptp4l0-21swapper/720:37:227
111391180,0ptp4l0-21swapper/623:08:196
111391180,0ptp4l0-21swapper/620:57:166
111391180,0ptp4l0-21swapper/600:38:216
111391180,0ptp4l0-21swapper/521:47:325
111391180,0ptp4l0-21swapper/521:27:115
111391180,0ptp4l0-21swapper/521:20:175
111391180,0ptp4l0-21swapper/520:25:135
111391180,0ptp4l0-21swapper/223:44:192
111391180,0ptp4l0-21swapper/220:57:392
111391180,0ptp4l0-21swapper/200:15:252
111391180,0ptp4l0-21swapper/121:31:461
111391180,0ptp4l0-21swapper/121:05:521
155752170,0sleep7711rcuc/722:38:287
111391170,0ptp4l0-21swapper/722:52:517
111391170,0ptp4l0-21swapper/722:06:477
111391170,0ptp4l0-21swapper/622:47:086
111391170,0ptp4l0-21swapper/322:43:113
111391170,0ptp4l0-21swapper/222:50:302
111391170,0ptp4l0-21swapper/221:42:302
111391170,0ptp4l0-21swapper/121:19:161
27455991613,2cyclictest20829-21turbostat21:59:597
111391160,1ptp4l0-21swapper/219:46:062
111391160,0ptp4l0-21swapper/722:43:117
111391160,0ptp4l0-21swapper/623:04:256
111391160,0ptp4l0-21swapper/600:32:096
111391160,0ptp4l0-21swapper/520:58:545
111391160,0ptp4l0-21swapper/519:58:205
111391160,0ptp4l0-21swapper/120:19:071
111391160,0ptp4l0-21swapper/120:19:071
111391150,0ptp4l0-21swapper/720:07:247
111391150,0ptp4l0-21swapper/620:13:306
111391150,0ptp4l0-21swapper/620:08:046
111391150,0ptp4l0-21swapper/619:49:286
111391150,0ptp4l0-21swapper/619:26:296
111391150,0ptp4l0-21swapper/320:36:423
111391150,0ptp4l0-21swapper/320:07:193
111391150,0ptp4l0-21swapper/223:04:272
111391150,0ptp4l0-21swapper/221:35:342
111391150,0ptp4l0-21swapper/220:08:022
111391150,0ptp4l0-21swapper/219:56:102
111391150,0ptp4l0-21swapper/119:21:551
111391150,0ptp4l0-21swapper/119:15:321
111391150,0ptp4l0-21swapper/019:35:350
27455991412,1cyclictest0-21swapper/721:15:127
111391140,0ptp4l0-21swapper/622:50:316
111391140,0ptp4l0-21swapper/621:03:096
111391140,0ptp4l0-21swapper/619:35:446
111391140,0ptp4l0-21swapper/619:23:596
111391140,0ptp4l0-21swapper/322:52:513
111391140,0ptp4l0-21swapper/221:14:282
111391140,0ptp4l0-21swapper/221:03:072
111391140,0ptp4l0-21swapper/220:49:132
111391140,0ptp4l0-21swapper/220:32:512
111391140,0ptp4l0-21swapper/219:35:442
2744999110,10cyclictest0-21swapper/623:11:196
2744999110,10cyclictest0-21swapper/622:32:216
2745599100,0cyclictest0-21swapper/719:25:137
2744999109,0cyclictest0-21swapper/600:21:056
2744999109,0cyclictest0-21swapper/600:16:236
2744999109,0cyclictest0-21swapper/600:11:396
2744999100,9cyclictest0-21swapper/621:32:556
2744999100,0cyclictest0-21swapper/622:36:446
2742899100,1cyclictest0-21swapper/322:25:113
2742099108,1cyclictest0-21swapper/219:30:142
274559990,8cyclictest0-21swapper/723:37:367
274499998,0cyclictest0-21swapper/623:38:216
274499998,0cyclictest0-21swapper/623:33:286
274499998,0cyclictest0-21swapper/623:28:366
274499998,0cyclictest0-21swapper/622:27:566
274499998,0cyclictest0-21swapper/621:58:246
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