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2025-11-23 - 13:15

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 Sun Nov 23, 2025 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091830,29ptp4l0-21swapper/019:09:210
626427342,16sleep60-21swapper/619:05:266
663626252,6sleep70-21swapper/719:10:007
114091620,5ptp4l0-21swapper/119:07:131
290002610,1sleep10-21swapper/121:51:081
114091610,5ptp4l0-21swapper/419:05:204
114091600,5ptp4l0-21swapper/519:07:565
114091600,29ptp4l0-21swapper/219:09:562
105982600,0sleep00-21swapper/000:30:010
180302570,0sleep00-21swapper/023:53:000
180302570,0sleep00-21swapper/023:53:000
114091570,0ptp4l30850-21fw_conntrack21:10:131
114091570,0ptp4l30850-21fw_conntrack21:10:121
637025443,7sleep30-21swapper/319:06:353
114091340,0ptp4l0-21swapper/622:06:106
114091320,0ptp4l0-21swapper/600:35:136
114091320,0ptp4l0-21swapper/521:52:175
114091310,0ptp4l0-21swapper/623:05:076
114091310,0ptp4l0-21swapper/621:54:196
114091310,0ptp4l0-21swapper/600:16:306
114091310,0ptp4l0-21swapper/523:43:525
114091310,0ptp4l0-21swapper/522:26:165
114091310,0ptp4l0-21swapper/521:57:285
114091310,0ptp4l0-21swapper/423:54:234
114091310,0ptp4l0-21swapper/423:54:234
114091310,0ptp4l0-21swapper/423:27:574
114091310,0ptp4l0-21swapper/421:17:354
114091310,0ptp4l0-21swapper/421:17:344
114091310,0ptp4l0-21swapper/400:27:074
114091310,0ptp4l0-21swapper/100:37:351
114091300,0ptp4l0-21swapper/623:38:496
114091300,0ptp4l0-21swapper/622:15:156
114091300,0ptp4l0-21swapper/523:31:325
114091300,0ptp4l0-21swapper/523:01:595
114091300,0ptp4l0-21swapper/522:48:505
114091300,0ptp4l0-21swapper/421:14:214
114091300,0ptp4l0-21swapper/421:14:204
114091300,0ptp4l0-21swapper/322:38:403
114091300,0ptp4l0-21swapper/122:34:381
114091290,2ptp4l0-21swapper/500:09:335
114091290,2ptp4l0-21swapper/422:47:064
114091290,1ptp4l0-21swapper/323:50:543
114091290,1ptp4l0-21swapper/323:50:533
114091290,0ptp4l0-21swapper/722:38:127
114091290,0ptp4l0-21swapper/621:19:156
114091290,0ptp4l0-21swapper/621:19:146
114091290,0ptp4l0-21swapper/621:12:056
114091290,0ptp4l0-21swapper/621:12:056
114091290,0ptp4l0-21swapper/523:59:475
114091290,0ptp4l0-21swapper/523:15:465
114091290,0ptp4l0-21swapper/522:55:005
114091290,0ptp4l0-21swapper/520:10:205
114091290,0ptp4l0-21swapper/500:32:435
114091290,0ptp4l0-21swapper/423:36:254
114091290,0ptp4l0-21swapper/123:46:111
114091290,0ptp4l0-21swapper/123:11:041
114091290,0ptp4l0-21swapper/122:43:391
114091290,0ptp4l0-21swapper/121:39:401
114091280,2ptp4l0-21swapper/622:21:066
114091280,1ptp4l0-21swapper/521:44:565
114091280,0ptp4l0-21swapper/721:22:257
114091280,0ptp4l0-21swapper/600:01:056
114091280,0ptp4l0-21swapper/523:22:135
114091280,0ptp4l0-21swapper/521:31:305
114091280,0ptp4l0-21swapper/500:25:295
114091280,0ptp4l0-21swapper/423:59:304
114091280,0ptp4l0-21swapper/300:22:013
114091280,0ptp4l0-21swapper/221:32:292
114091270,3ptp4l121rcu_preempt21:39:085
114091270,2ptp4l0-21swapper/321:22:383
114091270,0ptp4l0-21swapper/621:33:066
114091270,0ptp4l0-21swapper/620:41:136
114091270,0ptp4l0-21swapper/521:00:275
114091270,0ptp4l0-21swapper/423:15:484
114091270,0ptp4l0-21swapper/422:41:254
114091270,0ptp4l0-21swapper/421:26:184
114091270,0ptp4l0-21swapper/121:47:461
114091270,0ptp4l0-21swapper/121:30:241
114091270,0ptp4l0-21swapper/100:09:161
114091260,1ptp4l7161-21grep21:20:212
114091260,0ptp4l0-21swapper/700:11:207
114091260,0ptp4l0-21swapper/623:10:066
114091260,0ptp4l0-21swapper/622:14:186
114091260,0ptp4l0-21swapper/621:40:496
114091260,0ptp4l0-21swapper/521:47:095
114091260,0ptp4l0-21swapper/519:38:205
114091260,0ptp4l0-21swapper/500:17:335
114091260,0ptp4l0-21swapper/423:11:444
114091260,0ptp4l0-21swapper/422:36:084
114091260,0ptp4l0-21swapper/422:29:114
114091260,0ptp4l0-21swapper/422:22:264
114091260,0ptp4l0-21swapper/123:30:091
114091260,0ptp4l0-21swapper/123:02:501
691799252,22cyclictest0-21swapper/119:25:171
114091250,6ptp4l0-21swapper/523:37:205
114091250,3ptp4l0-21swapper/523:25:275
114091250,3ptp4l0-21swapper/519:59:355
114091250,2ptp4l0-21swapper/521:28:585
114091250,1ptp4l30698-21irqstats23:25:181
114091250,1ptp4l27995-21strings22:35:171
114091250,1ptp4l27449-21diskstats21:50:122
114091250,0ptp4l0-21swapper/623:17:396
114091250,0ptp4l0-21swapper/620:48:586
114091250,0ptp4l0-21swapper/620:35:186
114091250,0ptp4l0-21swapper/620:29:426
114091250,0ptp4l0-21swapper/522:10:125
114091250,0ptp4l0-21swapper/522:07:205
114091250,0ptp4l0-21swapper/521:21:165
114091250,0ptp4l0-21swapper/521:10:525
114091250,0ptp4l0-21swapper/521:10:515
114091250,0ptp4l0-21swapper/500:37:335
114091250,0ptp4l0-21swapper/423:48:234
114091250,0ptp4l0-21swapper/422:17:194
114091250,0ptp4l0-21swapper/420:02:344
114091250,0ptp4l0-21swapper/400:37:594
114091250,0ptp4l0-21swapper/400:01:584
114091250,0ptp4l0-21swapper/222:29:432
114091250,0ptp4l0-21swapper/222:15:192
114091250,0ptp4l0-21swapper/200:20:202
114091250,0ptp4l0-21swapper/123:19:031
114091250,0ptp4l0-21swapper/121:58:411
114091240,1ptp4l8735-21cat00:25:211
114091240,1ptp4l8578-21ps20:20:195
114091240,1ptp4l7135-21taskset23:37:231
114091240,1ptp4l30288-21idleruntime-cro19:59:591
114091240,1ptp4l2999migration/219:50:002
114091240,1ptp4l2553-21munin-run20:10:001
114091240,1ptp4l20115-21df_inode22:25:121
114091240,1ptp4l16600-21latency23:05:152
114091240,1ptp4l12513-21cpuspeed_turbos19:20:126
114091240,1ptp4l0-21swapper/500:13:145
114091240,0ptp4l27080-21strings00:05:160
114091240,0ptp4l0-21swapper/723:52:227
114091240,0ptp4l0-21swapper/723:52:227
114091240,0ptp4l0-21swapper/623:42:016
114091240,0ptp4l0-21swapper/622:37:286
114091240,0ptp4l0-21swapper/621:49:336
114091240,0ptp4l0-21swapper/620:55:166
114091240,0ptp4l0-21swapper/619:51:326
114091240,0ptp4l0-21swapper/600:34:236
114091240,0ptp4l0-21swapper/600:06:126
114091240,0ptp4l0-21swapper/522:40:215
114091240,0ptp4l0-21swapper/522:03:035
114091240,0ptp4l0-21swapper/520:57:135
114091240,0ptp4l0-21swapper/520:48:045
114091240,0ptp4l0-21swapper/520:25:145
114091240,0ptp4l0-21swapper/520:18:345
114091240,0ptp4l0-21swapper/520:05:165
114091240,0ptp4l0-21swapper/520:02:155
114091240,0ptp4l0-21swapper/519:30:405
114091240,0ptp4l0-21swapper/519:25:275
114091240,0ptp4l0-21swapper/519:24:495
114091240,0ptp4l0-21swapper/423:42:354
114091240,0ptp4l0-21swapper/422:58:084
114091240,0ptp4l0-21swapper/422:08:394
114091240,0ptp4l0-21swapper/420:45:054
114091240,0ptp4l0-21swapper/419:27:194
114091240,0ptp4l0-21swapper/400:15:154
114091240,0ptp4l0-21swapper/322:00:013
114091240,0ptp4l0-21swapper/223:15:162
114091240,0ptp4l0-21swapper/222:13:502
114091240,0ptp4l0-21swapper/221:40:222
114091240,0ptp4l0-21swapper/220:55:192
114091240,0ptp4l0-21swapper/219:50:162
114091240,0ptp4l0-21swapper/200:15:192
114091240,0ptp4l0-21swapper/120:25:231
114091240,0ptp4l0-21swapper/119:40:161
114091240,0ptp4l0-21swapper/119:21:001
114091240,0ptp4l0-21swapper/021:10:180
114091240,0ptp4l0-21swapper/021:10:170
114091240,0ptp4l0-21swapper/020:45:000
114091230,1ptp4l3958-21ssh21:16:331
114091230,1ptp4l3958-21ssh21:16:321
114091230,1ptp4l11925-21munin-run19:20:002
114091230,0ptp4l0-21swapper/722:00:217
114091230,0ptp4l0-21swapper/721:59:487
114091230,0ptp4l0-21swapper/719:30:017
114091230,0ptp4l0-21swapper/623:05:006
114091230,0ptp4l0-21swapper/622:45:156
114091230,0ptp4l0-21swapper/622:30:186
114091230,0ptp4l0-21swapper/622:30:006
114091230,0ptp4l0-21swapper/621:59:176
114091230,0ptp4l0-21swapper/620:15:156
114091230,0ptp4l0-21swapper/619:35:136
114091230,0ptp4l0-21swapper/619:10:206
114091230,0ptp4l0-21swapper/523:50:115
114091230,0ptp4l0-21swapper/523:50:105
114091230,0ptp4l0-21swapper/523:10:595
114091230,0ptp4l0-21swapper/522:59:235
114091230,0ptp4l0-21swapper/520:35:035
114091230,0ptp4l0-21swapper/519:40:215
114091230,0ptp4l0-21swapper/519:15:015
114091230,0ptp4l0-21swapper/500:00:145
114091230,0ptp4l0-21swapper/422:01:004
114091230,0ptp4l0-21swapper/421:56:174
114091230,0ptp4l0-21swapper/421:05:154
114091230,0ptp4l0-21swapper/420:25:224
114091230,0ptp4l0-21swapper/419:45:134
114091230,0ptp4l0-21swapper/400:30:134
114091230,0ptp4l0-21swapper/400:05:164
114091230,0ptp4l0-21swapper/300:10:163
114091230,0ptp4l0-21swapper/223:35:172
114091230,0ptp4l0-21swapper/223:10:152
114091230,0ptp4l0-21swapper/222:45:132
114091230,0ptp4l0-21swapper/222:20:182
114091230,0ptp4l0-21swapper/222:05:422
114091230,0ptp4l0-21swapper/221:25:212
114091230,0ptp4l0-21swapper/220:50:132
114091230,0ptp4l0-21swapper/219:35:272
114091230,0ptp4l0-21swapper/200:35:212
114091230,0ptp4l0-21swapper/200:10:012
114091230,0ptp4l0-21swapper/123:50:131
114091230,0ptp4l0-21swapper/123:50:121
114091230,0ptp4l0-21swapper/123:40:151
114091230,0ptp4l0-21swapper/123:07:431
114091230,0ptp4l0-21swapper/122:50:181
114091230,0ptp4l0-21swapper/122:46:051
114091230,0ptp4l0-21swapper/122:10:161
114091230,0ptp4l0-21swapper/122:05:111
114091230,0ptp4l0-21swapper/122:01:481
114091230,0ptp4l0-21swapper/121:00:131
114091230,0ptp4l0-21swapper/120:30:131
114091230,0ptp4l0-21swapper/120:22:541
114091230,0ptp4l0-21swapper/119:48:341
114091230,0ptp4l0-21swapper/119:30:221
114091230,0ptp4l0-21swapper/119:16:301
114091230,0ptp4l0-21swapper/100:30:161
114091230,0ptp4l0-21swapper/100:00:151
114091230,0ptp4l0-21swapper/023:27:530
114091230,0ptp4l0-21swapper/023:10:200
114091230,0ptp4l0-21swapper/023:01:530
114091230,0ptp4l0-21swapper/022:55:140
114091230,0ptp4l0-21swapper/022:50:140
114091230,0ptp4l0-21swapper/022:40:120
114091230,0ptp4l0-21swapper/022:05:170
114091230,0ptp4l0-21swapper/021:55:180
114091230,0ptp4l0-21swapper/020:25:220
114091230,0ptp4l0-21swapper/000:15:170
114091220,1ptp4l5632-21ssh00:21:134
114091220,1ptp4l0-21swapper/500:20:035
114091220,0ptp4l4125-21ls00:20:176
114091220,0ptp4l0-21swapper/719:30:147
114091220,0ptp4l0-21swapper/621:25:226
114091220,0ptp4l0-21swapper/621:20:176
114091220,0ptp4l0-21swapper/620:50:036
114091220,0ptp4l0-21swapper/619:15:166
114091220,0ptp4l0-21swapper/523:45:135
114091220,0ptp4l0-21swapper/523:08:255
114091220,0ptp4l0-21swapper/522:35:485
114091220,0ptp4l0-21swapper/522:24:415
114091220,0ptp4l0-21swapper/522:15:375
114091220,0ptp4l0-21swapper/521:16:425
114091220,0ptp4l0-21swapper/521:16:415
114091220,0ptp4l0-21swapper/520:30:135
114091220,0ptp4l0-21swapper/423:32:354
114091220,0ptp4l0-21swapper/423:06:204
114091220,0ptp4l0-21swapper/423:04:264
114091220,0ptp4l0-21swapper/422:12:544
114091220,0ptp4l0-21swapper/421:52:394
114091220,0ptp4l0-21swapper/421:45:204
114091220,0ptp4l0-21swapper/421:35:214
114091220,0ptp4l0-21swapper/421:33:224
114091220,0ptp4l0-21swapper/420:15:234
114091220,0ptp4l0-21swapper/319:30:183
114091220,0ptp4l0-21swapper/223:42:052
114091220,0ptp4l0-21swapper/223:01:282
114091220,0ptp4l0-21swapper/222:56:362
114091220,0ptp4l0-21swapper/222:40:592
114091220,0ptp4l0-21swapper/222:30:152
114091220,0ptp4l0-21swapper/221:55:012
114091220,0ptp4l0-21swapper/221:49:442
114091220,0ptp4l0-21swapper/221:38:042
114091220,0ptp4l0-21swapper/221:19:592
114091220,0ptp4l0-21swapper/221:19:592
114091220,0ptp4l0-21swapper/221:11:412
114091220,0ptp4l0-21swapper/221:11:402
114091220,0ptp4l0-21swapper/220:40:132
114091220,0ptp4l0-21swapper/219:20:132
114091220,0ptp4l0-21swapper/219:10:022
114091220,0ptp4l0-21swapper/200:34:112
114091220,0ptp4l0-21swapper/200:04:132
114091220,0ptp4l0-21swapper/123:55:161
114091220,0ptp4l0-21swapper/123:20:031
114091220,0ptp4l0-21swapper/122:55:191
114091220,0ptp4l0-21swapper/122:17:031
114091220,0ptp4l0-21swapper/121:40:051
114091220,0ptp4l0-21swapper/121:25:161
114091220,0ptp4l0-21swapper/121:05:191
114091220,0ptp4l0-21swapper/120:44:461
114091220,0ptp4l0-21swapper/120:10:191
114091220,0ptp4l0-21swapper/119:14:311
114091220,0ptp4l0-21swapper/100:21:511
114091220,0ptp4l0-21swapper/100:17:321
114091220,0ptp4l0-21swapper/023:55:220
114091220,0ptp4l0-21swapper/023:45:130
114091220,0ptp4l0-21swapper/023:32:050
114091220,0ptp4l0-21swapper/023:16:150
114091220,0ptp4l0-21swapper/023:06:330
114091220,0ptp4l0-21swapper/022:46:460
114091220,0ptp4l0-21swapper/022:35:140
114091220,0ptp4l0-21swapper/022:11:540
114091220,0ptp4l0-21swapper/022:01:030
114091220,0ptp4l0-21swapper/021:50:450
114091220,0ptp4l0-21swapper/021:45:170
114091220,0ptp4l0-21swapper/021:35:190
114091220,0ptp4l0-21swapper/021:21:490
114091220,0ptp4l0-21swapper/021:15:150
114091220,0ptp4l0-21swapper/021:15:140
114091220,0ptp4l0-21swapper/021:05:120
114091220,0ptp4l0-21swapper/020:45:160
114091220,0ptp4l0-21swapper/020:30:210
114091220,0ptp4l0-21swapper/020:00:130
114091220,0ptp4l0-21swapper/019:45:000
114091220,0ptp4l0-21swapper/019:40:190
114091220,0ptp4l0-21swapper/019:15:190
114091220,0ptp4l0-21swapper/000:35:430
114091220,0ptp4l0-21swapper/000:30:130
114091220,0ptp4l0-21swapper/000:24:220
114091210,1ptp4l29312-21smart_sda21:05:205
114091210,0ptp4l6898-21cyclictest20:35:152
114091210,0ptp4l0-21swapper/622:43:176
114091210,0ptp4l0-21swapper/621:09:426
114091210,0ptp4l0-21swapper/522:30:535
114091210,0ptp4l0-21swapper/520:53:245
114091210,0ptp4l0-21swapper/423:24:314
114091210,0ptp4l0-21swapper/422:50:034
114091210,0ptp4l0-21swapper/422:31:524
114091210,0ptp4l0-21swapper/421:42:134
114091210,0ptp4l0-21swapper/421:23:124
114091210,0ptp4l0-21swapper/419:39:234
114091210,0ptp4l0-21swapper/321:59:493
114091210,0ptp4l0-21swapper/300:37:083
114091210,0ptp4l0-21swapper/223:34:182
114091210,0ptp4l0-21swapper/222:53:162
114091210,0ptp4l0-21swapper/222:36:482
114091210,0ptp4l0-21swapper/200:28:052
114091210,0ptp4l0-21swapper/200:10:062
114091210,0ptp4l0-21swapper/121:21:191
114091210,0ptp4l0-21swapper/120:45:221
114091210,0ptp4l0-21swapper/100:13:351
114091210,0ptp4l0-21swapper/023:40:540
114091210,0ptp4l0-21swapper/023:38:060
114091210,0ptp4l0-21swapper/023:21:150
114091210,0ptp4l0-21swapper/022:31:020
114091210,0ptp4l0-21swapper/022:27:050
114091210,0ptp4l0-21swapper/022:22:190
114091210,0ptp4l0-21swapper/022:15:520
114091210,0ptp4l0-21swapper/021:43:200
114091210,0ptp4l0-21swapper/021:25:010
114091210,0ptp4l0-21swapper/000:12:150
114091210,0ptp4l0-21swapper/000:02:290
114091200,1ptp4l0-21swapper/420:30:214
114091200,0ptp4l0-21swapper/700:22:027
114091200,0ptp4l0-21swapper/622:53:196
114091200,0ptp4l0-21swapper/621:36:316
114091200,0ptp4l0-21swapper/600:28:086
114091200,0ptp4l0-21swapper/420:21:024
114091200,0ptp4l0-21swapper/419:32:244
114091200,0ptp4l0-21swapper/223:59:092
114091200,0ptp4l0-21swapper/221:08:432
114091200,0ptp4l0-21swapper/122:22:151
114091200,0ptp4l0-21swapper/120:52:021
114091200,0ptp4l0-21swapper/120:15:011
114091200,0ptp4l0-21swapper/120:00:191
114091200,0ptp4l0-21swapper/021:33:120
114091200,0ptp4l0-21swapper/021:04:030
114091200,0ptp4l0-21swapper/019:20:420
114091190,0ptp4l0-21swapper/700:37:117
114091190,0ptp4l0-21swapper/623:34:146
114091190,0ptp4l0-21swapper/622:56:316
114091190,0ptp4l0-21swapper/600:10:016
114091190,0ptp4l0-21swapper/519:49:015
114091190,0ptp4l0-21swapper/319:29:553
114091190,0ptp4l0-21swapper/223:24:112
114091190,0ptp4l0-21swapper/220:28:422
114091190,0ptp4l0-21swapper/120:59:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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