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2026-03-29 - 08:00

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 Sun Mar 29, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391750,36ptp4l0-21swapper/219:05:172
111391650,4ptp4l7443-21cat19:05:114
238892590,0sleep1231rcuc/123:13:381
111391590,28ptp4l0-21swapper/019:05:380
158002580,0sleep40-21swapper/422:15:174
914325735,7sleep30-21swapper/319:08:223
909225342,6sleep70-21swapper/719:07:467
906825038,7sleep10-21swapper/119:07:251
919124736,6sleep60-21swapper/619:09:056
916324535,6sleep50-21swapper/519:08:405
111391330,0ptp4l0-21swapper/522:23:525
111391330,0ptp4l0-21swapper/522:23:515
111391320,0ptp4l0-21swapper/022:05:400
111391310,5ptp4l3406-21if_err_eno123:30:141
111391310,1ptp4l28065-21/usr/sbin/munin00:05:143
111391310,0ptp4l0-21swapper/521:24:005
111391310,0ptp4l0-21swapper/521:00:195
111391300,0ptp4l0-21swapper/721:12:157
111391300,0ptp4l0-21swapper/121:49:571
111391300,0ptp4l0-21swapper/023:49:300
111391290,0ptp4l0-21swapper/523:39:535
111391290,0ptp4l0-21swapper/523:20:055
111391290,0ptp4l0-21swapper/522:29:395
111391290,0ptp4l0-21swapper/520:40:205
111391290,0ptp4l0-21swapper/500:30:365
111391290,0ptp4l0-21swapper/500:21:435
111391290,0ptp4l0-21swapper/421:17:394
111391290,0ptp4l0-21swapper/400:01:454
111391290,0ptp4l0-21swapper/123:25:261
111391290,0ptp4l0-21swapper/121:22:511
111391290,0ptp4l0-21swapper/121:00:121
111391290,0ptp4l0-21swapper/022:19:380
111391290,0ptp4l0-21swapper/021:57:420
111391290,0ptp4l0-21swapper/021:42:560
111391290,0ptp4l0-21swapper/021:35:170
111391290,0ptp4l0-21swapper/021:23:570
111391280,1ptp4l3407-21ssh00:16:381
111391280,0ptp4l0-21swapper/723:16:247
111391280,0ptp4l0-21swapper/423:56:454
111391280,0ptp4l0-21swapper/123:44:191
111391280,0ptp4l0-21swapper/123:19:591
111391280,0ptp4l0-21swapper/122:40:401
111391280,0ptp4l0-21swapper/122:21:521
111391280,0ptp4l0-21swapper/122:21:511
111391280,0ptp4l0-21swapper/122:01:231
111391280,0ptp4l0-21swapper/121:10:101
111391280,0ptp4l0-21swapper/023:17:270
111391280,0ptp4l0-21swapper/022:30:440
111391280,0ptp4l0-21swapper/020:00:170
111391270,0ptp4l0-21swapper/719:45:207
111391270,0ptp4l0-21swapper/719:45:197
111391270,0ptp4l0-21swapper/523:10:455
111391270,0ptp4l0-21swapper/520:27:005
111391270,0ptp4l0-21swapper/519:10:125
111391270,0ptp4l0-21swapper/123:38:061
111391270,0ptp4l0-21swapper/023:12:140
111391270,0ptp4l0-21swapper/022:27:520
111391270,0ptp4l0-21swapper/022:11:010
111391270,0ptp4l0-21swapper/021:15:030
111391270,0ptp4l0-21swapper/000:25:160
111391260,0ptp4l0-21swapper/722:36:417
111391260,0ptp4l0-21swapper/520:05:165
111391260,0ptp4l0-21swapper/423:28:354
111391260,0ptp4l0-21swapper/423:23:454
111391260,0ptp4l0-21swapper/422:22:484
111391260,0ptp4l0-21swapper/422:22:474
111391260,0ptp4l0-21swapper/422:09:074
111391260,0ptp4l0-21swapper/321:44:383
111391260,0ptp4l0-21swapper/122:51:231
111391260,0ptp4l0-21swapper/100:38:331
111391260,0ptp4l0-21swapper/023:50:080
111391260,0ptp4l0-21swapper/023:41:470
111391260,0ptp4l0-21swapper/022:02:340
111391260,0ptp4l0-21swapper/021:50:250
111391260,0ptp4l0-21swapper/021:47:170
111391260,0ptp4l0-21swapper/000:10:300
111391250,1ptp4l3973-21tail23:30:165
111391250,1ptp4l26930-21smart_sda21:45:185
111391250,0ptp4l0-21swapper/721:32:327
111391250,0ptp4l0-21swapper/521:18:415
111391250,0ptp4l0-21swapper/423:00:194
111391250,0ptp4l0-21swapper/422:35:194
111391250,0ptp4l0-21swapper/420:40:124
111391250,0ptp4l0-21swapper/420:25:014
111391250,0ptp4l0-21swapper/122:15:191
111391250,0ptp4l0-21swapper/122:14:151
111391250,0ptp4l0-21swapper/121:38:341
111391250,0ptp4l0-21swapper/120:16:191
111391250,0ptp4l0-21swapper/023:35:190
111391250,0ptp4l0-21swapper/023:10:010
111391250,0ptp4l0-21swapper/022:45:010
111391250,0ptp4l0-21swapper/022:24:480
111391250,0ptp4l0-21swapper/022:24:480
111391250,0ptp4l0-21swapper/021:13:440
111391250,0ptp4l0-21swapper/000:15:130
111391240,3ptp4l0-21swapper/123:50:531
111391240,1ptp4l5763-21df_inode20:10:131
111391240,1ptp4l540-21cat21:10:001
111391240,1ptp4l49-21ksoftirqd/423:50:174
111391240,1ptp4l26922-21irqrtprio19:45:143
111391240,1ptp4l26922-21irqrtprio19:45:143
111391240,1ptp4l22254-21latency20:45:155
111391240,1ptp4l21967-21tr19:35:111
111391240,1ptp4l15215-21hddtemp_smartct19:20:130
111391240,1ptp4l12726-21sed22:10:204
111391240,0ptp4l21207-21sed23:55:177
111391240,0ptp4l0-21swapper/522:51:525
111391240,0ptp4l0-21swapper/522:15:115
111391240,0ptp4l0-21swapper/521:56:245
111391240,0ptp4l0-21swapper/500:35:025
111391240,0ptp4l0-21swapper/422:43:184
111391240,0ptp4l0-21swapper/421:29:004
111391240,0ptp4l0-21swapper/421:13:104
111391240,0ptp4l0-21swapper/420:40:014
111391240,0ptp4l0-21swapper/400:27:304
111391240,0ptp4l0-21swapper/322:36:353
111391240,0ptp4l0-21swapper/321:30:153
111391240,0ptp4l0-21swapper/122:56:091
111391240,0ptp4l0-21swapper/120:35:001
111391240,0ptp4l0-21swapper/120:25:111
111391240,0ptp4l0-21swapper/119:25:121
111391240,0ptp4l0-21swapper/023:33:270
111391240,0ptp4l0-21swapper/023:26:020
111391240,0ptp4l0-21swapper/023:00:110
111391240,0ptp4l0-21swapper/022:40:480
111391240,0ptp4l0-21swapper/021:25:560
111391240,0ptp4l0-21swapper/019:55:200
111391240,0ptp4l0-21swapper/019:15:130
111391240,0ptp4l0-21swapper/000:07:370
111391230,1ptp4l31488-21rm21:51:424
111391230,1ptp4l1061-21snmpd22:00:134
111391230,0ptp4l17241-21forks20:35:111
111391230,0ptp4l0-21swapper/723:35:127
111391230,0ptp4l0-21swapper/700:26:387
111391230,0ptp4l0-21swapper/700:05:207
111391230,0ptp4l0-21swapper/700:03:237
111391230,0ptp4l0-21swapper/623:10:156
111391230,0ptp4l0-21swapper/523:40:175
111391230,0ptp4l0-21swapper/523:25:135
111391230,0ptp4l0-21swapper/522:55:135
111391230,0ptp4l0-21swapper/522:11:195
111391230,0ptp4l0-21swapper/521:37:195
111391230,0ptp4l0-21swapper/520:35:125
111391230,0ptp4l0-21swapper/520:15:015
111391230,0ptp4l0-21swapper/520:10:175
111391230,0ptp4l0-21swapper/519:35:135
111391230,0ptp4l0-21swapper/519:30:005
111391230,0ptp4l0-21swapper/500:17:055
111391230,0ptp4l0-21swapper/500:13:115
111391230,0ptp4l0-21swapper/500:06:125
111391230,0ptp4l0-21swapper/423:45:184
111391230,0ptp4l0-21swapper/423:39:424
111391230,0ptp4l0-21swapper/423:33:374
111391230,0ptp4l0-21swapper/422:59:234
111391230,0ptp4l0-21swapper/422:53:394
111391230,0ptp4l0-21swapper/421:40:104
111391230,0ptp4l0-21swapper/421:35:154
111391230,0ptp4l0-21swapper/421:33:314
111391230,0ptp4l0-21swapper/421:20:174
111391230,0ptp4l0-21swapper/421:07:084
111391230,0ptp4l0-21swapper/420:50:144
111391230,0ptp4l0-21swapper/420:05:184
111391230,0ptp4l0-21swapper/420:00:164
111391230,0ptp4l0-21swapper/419:55:164
111391230,0ptp4l0-21swapper/419:50:164
111391230,0ptp4l0-21swapper/419:40:184
111391230,0ptp4l0-21swapper/419:40:184
111391230,0ptp4l0-21swapper/419:20:194
111391230,0ptp4l0-21swapper/419:15:004
111391230,0ptp4l0-21swapper/400:35:224
111391230,0ptp4l0-21swapper/400:32:064
111391230,0ptp4l0-21swapper/400:20:204
111391230,0ptp4l0-21swapper/400:10:384
111391230,0ptp4l0-21swapper/323:35:003
111391230,0ptp4l0-21swapper/323:15:513
111391230,0ptp4l0-21swapper/221:51:392
111391230,0ptp4l0-21swapper/219:43:162
111391230,0ptp4l0-21swapper/219:43:162
111391230,0ptp4l0-21swapper/122:45:121
111391230,0ptp4l0-21swapper/122:35:111
111391230,0ptp4l0-21swapper/122:30:121
111391230,0ptp4l0-21swapper/122:07:041
111391230,0ptp4l0-21swapper/120:20:131
111391230,0ptp4l0-21swapper/119:10:131
111391230,0ptp4l0-21swapper/100:25:551
111391230,0ptp4l0-21swapper/100:21:301
111391230,0ptp4l0-21swapper/022:50:220
111391230,0ptp4l0-21swapper/021:34:180
111391230,0ptp4l0-21swapper/020:55:160
111391230,0ptp4l0-21swapper/020:39:130
111391230,0ptp4l0-21swapper/020:25:200
111391230,0ptp4l0-21swapper/020:05:190
111391230,0ptp4l0-21swapper/019:40:160
111391230,0ptp4l0-21swapper/019:40:150
111391230,0ptp4l0-21swapper/019:30:120
111391230,0ptp4l0-21swapper/000:35:140
111391230,0ptp4l0-21swapper/000:30:160
111391230,0ptp4l0-21swapper/000:25:000
111391230,0ptp4l0-21swapper/000:00:190
111391220,0ptp4l0-21swapper/723:21:067
111391220,0ptp4l0-21swapper/723:07:237
111391220,0ptp4l0-21swapper/722:28:237
111391220,0ptp4l0-21swapper/722:03:147
111391220,0ptp4l0-21swapper/721:44:097
111391220,0ptp4l0-21swapper/719:30:197
111391220,0ptp4l0-21swapper/622:45:226
111391220,0ptp4l0-21swapper/622:31:086
111391220,0ptp4l0-21swapper/622:21:066
111391220,0ptp4l0-21swapper/622:21:056
111391220,0ptp4l0-21swapper/621:20:136
111391220,0ptp4l0-21swapper/619:41:486
111391220,0ptp4l0-21swapper/619:41:476
111391220,0ptp4l0-21swapper/600:01:286
111391220,0ptp4l0-21swapper/523:45:525
111391220,0ptp4l0-21swapper/522:45:125
111391220,0ptp4l0-21swapper/522:41:515
111391220,0ptp4l0-21swapper/522:38:545
111391220,0ptp4l0-21swapper/522:30:125
111391220,0ptp4l0-21swapper/522:06:175
111391220,0ptp4l0-21swapper/521:10:115
111391220,0ptp4l0-21swapper/521:05:145
111391220,0ptp4l0-21swapper/520:20:115
111391220,0ptp4l0-21swapper/520:00:005
111391220,0ptp4l0-21swapper/519:25:005
111391220,0ptp4l0-21swapper/500:25:505
111391220,0ptp4l0-21swapper/423:40:184
111391220,0ptp4l0-21swapper/423:15:164
111391220,0ptp4l0-21swapper/423:10:054
111391220,0ptp4l0-21swapper/423:05:144
111391220,0ptp4l0-21swapper/422:45:204
111391220,0ptp4l0-21swapper/422:30:464
111391220,0ptp4l0-21swapper/422:25:044
111391220,0ptp4l0-21swapper/421:57:044
111391220,0ptp4l0-21swapper/421:46:294
111391220,0ptp4l0-21swapper/421:00:144
111391220,0ptp4l0-21swapper/420:55:184
111391220,0ptp4l0-21swapper/420:30:114
111391220,0ptp4l0-21swapper/419:50:014
111391220,0ptp4l0-21swapper/419:50:004
111391220,0ptp4l0-21swapper/419:25:164
111391220,0ptp4l0-21swapper/419:10:014
111391220,0ptp4l0-21swapper/400:15:134
111391220,0ptp4l0-21swapper/323:35:143
111391220,0ptp4l0-21swapper/322:03:293
111391220,0ptp4l0-21swapper/321:11:533
111391220,0ptp4l0-21swapper/319:30:183
111391220,0ptp4l0-21swapper/300:26:433
111391220,0ptp4l0-21swapper/300:02:243
111391220,0ptp4l0-21swapper/223:06:102
111391220,0ptp4l0-21swapper/221:20:002
111391220,0ptp4l0-21swapper/200:01:242
111391220,0ptp4l0-21swapper/123:49:141
111391220,0ptp4l0-21swapper/123:19:201
111391220,0ptp4l0-21swapper/121:55:171
111391220,0ptp4l0-21swapper/121:50:111
111391220,0ptp4l0-21swapper/121:19:151
111391220,0ptp4l0-21swapper/120:52:471
111391220,0ptp4l0-21swapper/120:45:161
111391220,0ptp4l0-21swapper/120:05:121
111391220,0ptp4l0-21swapper/119:58:201
111391220,0ptp4l0-21swapper/119:24:571
111391220,0ptp4l0-21swapper/100:34:051
111391220,0ptp4l0-21swapper/023:56:410
111391220,0ptp4l0-21swapper/022:56:510
111391220,0ptp4l0-21swapper/022:35:130
111391220,0ptp4l0-21swapper/021:00:150
111391220,0ptp4l0-21swapper/020:50:190
111391220,0ptp4l0-21swapper/020:46:370
111391220,0ptp4l0-21swapper/020:30:110
111391220,0ptp4l0-21swapper/019:50:120
111391220,0ptp4l0-21swapper/019:25:180
227182210,0sleep10-21swapper/122:25:151
111391210,0ptp4l0-21swapper/523:50:315
111391210,0ptp4l0-21swapper/523:19:305
111391210,0ptp4l0-21swapper/523:09:205
111391210,0ptp4l0-21swapper/523:04:315
111391210,0ptp4l0-21swapper/522:01:045
111391210,0ptp4l0-21swapper/521:50:155
111391210,0ptp4l0-21swapper/521:26:515
111391210,0ptp4l0-21swapper/520:34:535
111391210,0ptp4l0-21swapper/520:01:005
111391210,0ptp4l0-21swapper/519:21:265
111391210,0ptp4l0-21swapper/519:16:205
111391210,0ptp4l0-21swapper/500:01:385
111391210,0ptp4l0-21swapper/420:47:054
111391210,0ptp4l0-21swapper/400:10:004
111391210,0ptp4l0-21swapper/323:55:143
111391210,0ptp4l0-21swapper/323:25:413
111391210,0ptp4l0-21swapper/322:43:433
111391210,0ptp4l0-21swapper/322:28:323
111391210,0ptp4l0-21swapper/222:31:152
111391210,0ptp4l0-21swapper/222:21:052
111391210,0ptp4l0-21swapper/222:21:042
111391210,0ptp4l0-21swapper/123:04:301
111391210,0ptp4l0-21swapper/121:40:361
111391210,0ptp4l0-21swapper/120:40:181
111391210,0ptp4l0-21swapper/119:30:141
111391210,0ptp4l0-21swapper/119:15:191
111391210,0ptp4l0-21swapper/023:21:210
111391210,0ptp4l0-21swapper/020:23:250
111391210,0ptp4l0-21swapper/019:49:210
111391210,0ptp4l0-21swapper/019:49:200
111391200,0ptp4l0-21swapper/723:44:217
111391200,0ptp4l0-21swapper/722:43:417
111391200,0ptp4l0-21swapper/623:41:276
111391200,0ptp4l0-21swapper/621:13:416
111391200,0ptp4l0-21swapper/521:43:125
111391200,0ptp4l0-21swapper/520:57:365
111391200,0ptp4l0-21swapper/520:52:275
111391200,0ptp4l0-21swapper/519:49:335
111391200,0ptp4l0-21swapper/519:49:325
111391200,0ptp4l0-21swapper/323:21:203
111391200,0ptp4l0-21swapper/319:26:193
111391200,0ptp4l0-21swapper/221:41:122
111391200,0ptp4l0-21swapper/123:55:581
111391200,0ptp4l0-21swapper/123:09:201
111391200,0ptp4l0-21swapper/120:02:471
111391200,0ptp4l0-21swapper/119:54:401
111391200,0ptp4l0-21swapper/100:13:371
111391200,0ptp4l0-21swapper/100:07:421
111391200,0ptp4l0-21swapper/020:44:520
111391200,0ptp4l0-21swapper/019:12:520
111391190,2ptp4l0-21swapper/519:50:415
111391190,0ptp4l33-21ksoftirqd/221:19:592
111391190,0ptp4l0-21swapper/723:54:577
111391190,0ptp4l0-21swapper/623:06:126
111391190,0ptp4l0-21swapper/621:08:196
111391190,0ptp4l0-21swapper/420:26:194
111391190,0ptp4l0-21swapper/419:38:194
111391190,0ptp4l0-21swapper/323:07:173
111391190,0ptp4l0-21swapper/319:44:213
111391190,0ptp4l0-21swapper/319:44:203
111391190,0ptp4l0-21swapper/222:53:062
111391190,0ptp4l0-21swapper/222:38:252
111391190,0ptp4l0-21swapper/221:08:132
111391190,0ptp4l0-21swapper/121:25:291
111391190,0ptp4l0-21swapper/100:00:381
111391190,0ptp4l0-21swapper/021:06:320
111391190,0ptp4l0-21swapper/020:10:430
111391190,0ptp4l0-21swapper/019:36:120
111391180,0ptp4l0-21swapper/622:19:116
111391180,0ptp4l0-21swapper/621:41:116
111391180,0ptp4l0-21swapper/419:32:204
111391180,0ptp4l0-21swapper/323:44:223
111391180,0ptp4l0-21swapper/222:45:542
111391180,0ptp4l0-21swapper/221:13:212
111391170,1ptp4l73-21ksoftirqd/720:54:317
111391170,0ptp4l0-21swapper/622:50:476
111391170,0ptp4l0-21swapper/200:31:462
9562991614,1cyclictest23464-21turbostat20:49:596
111391160,0ptp4l0-21swapper/723:25:417
111391160,0ptp4l0-21swapper/721:09:257
111391160,0ptp4l0-21swapper/420:16:494
111391160,0ptp4l0-21swapper/223:41:292
111391160,0ptp4l0-21swapper/219:18:482
111391160,0ptp4l0-21swapper/120:58:111
111391160,0ptp4l0-21swapper/020:16:520
111391150,0ptp4l0-21swapper/719:44:207
111391150,0ptp4l0-21swapper/719:44:207
111391150,0ptp4l0-21swapper/719:26:077
111391150,0ptp4l0-21swapper/620:55:086
111391150,0ptp4l0-21swapper/620:17:316
111391150,0ptp4l0-21swapper/620:11:276
111391150,0ptp4l0-21swapper/620:01:286
111391150,0ptp4l0-21swapper/619:58:086
111391150,0ptp4l0-21swapper/420:10:544
111391150,0ptp4l0-21swapper/321:09:303
111391150,0ptp4l0-21swapper/320:51:263
111391150,0ptp4l0-21swapper/222:28:102
111391150,0ptp4l0-21swapper/220:39:432
111391150,0ptp4l0-21swapper/220:17:402
111391150,0ptp4l0-21swapper/220:01:282
111391150,0ptp4l0-21swapper/219:58:072
111391150,0ptp4l0-21swapper/119:42:261
111391150,0ptp4l0-21swapper/119:42:251
9570991412,1cyclictest0-21swapper/700:20:217
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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