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2025-11-21 - 04:49

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 Fri Nov 21, 2025 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129712720,0sleep00-21swapper/022:50:160
185752650,0sleep70-21swapper/722:59:137
115872630,1sleep41093-21runrttasks20:15:134
114091630,6ptp4l0-21swapper/619:08:336
114091610,30ptp4l0-21swapper/219:08:152
236322600,0sleep60-21swapper/621:35:166
1297625948,6sleep10-21swapper/119:10:001
224312570,0sleep40-21swapper/422:19:524
182752570,0sleep10-21swapper/120:29:591
181072570,0sleep60-21swapper/622:57:446
114091570,5ptp4l0-21swapper/019:06:220
1273425645,6sleep70-21swapper/719:06:547
1276524938,6sleep30-21swapper/319:07:133
2120914735,7phc2sys0-21swapper/419:09:064
1281424736,7sleep50-21swapper/519:07:555
114091430,0ptp4l0-21swapper/021:19:070
279702410,0sleep00-21swapper/023:10:200
114091340,0ptp4l0-21swapper/420:20:184
114091330,1ptp4l21296-21ssh22:16:310
114091320,0ptp4l0-21swapper/621:00:196
114091310,8ptp4l0-21swapper/022:57:050
114091310,3ptp4l0-21swapper/021:56:060
114091300,0ptp4l0-21swapper/423:17:204
114091300,0ptp4l0-21swapper/422:45:224
114091300,0ptp4l0-21swapper/322:05:543
114091290,0ptp4l0-21swapper/423:38:394
114091290,0ptp4l0-21swapper/422:41:314
114091290,0ptp4l0-21swapper/400:20:194
114091290,0ptp4l0-21swapper/400:20:184
114091290,0ptp4l0-21swapper/022:12:460
114091280,1ptp4l0-21swapper/520:05:165
114091280,0ptp4l0-21swapper/520:20:205
114091280,0ptp4l0-21swapper/022:40:460
114091280,0ptp4l0-21swapper/000:30:160
114091270,0ptp4l0-21swapper/621:47:376
114091270,0ptp4l0-21swapper/621:47:366
114091270,0ptp4l0-21swapper/423:01:324
114091270,0ptp4l0-21swapper/422:33:494
114091270,0ptp4l0-21swapper/421:18:594
114091270,0ptp4l0-21swapper/400:06:514
114091270,0ptp4l0-21swapper/323:00:483
114091270,0ptp4l0-21swapper/123:35:481
114091270,0ptp4l0-21swapper/121:39:021
114091270,0ptp4l0-21swapper/121:25:311
114091270,0ptp4l0-21swapper/121:24:331
114091270,0ptp4l0-21swapper/023:52:460
114091270,0ptp4l0-21swapper/023:44:390
114091270,0ptp4l0-21swapper/023:17:310
114091270,0ptp4l0-21swapper/021:43:160
114091270,0ptp4l0-21swapper/021:30:520
114091260,2ptp4l20421-21smart_sda23:45:180
114091260,2ptp4l0-21swapper/023:59:330
114091260,0ptp4l0-21swapper/722:08:077
114091260,0ptp4l0-21swapper/623:19:296
114091260,0ptp4l0-21swapper/622:38:586
114091260,0ptp4l0-21swapper/619:12:496
114091260,0ptp4l0-21swapper/500:23:165
114091260,0ptp4l0-21swapper/500:23:165
114091260,0ptp4l0-21swapper/500:00:165
114091260,0ptp4l0-21swapper/419:35:204
114091260,0ptp4l0-21swapper/322:21:333
114091260,0ptp4l0-21swapper/223:27:322
114091260,0ptp4l0-21swapper/123:06:181
114091260,0ptp4l0-21swapper/100:01:291
114091260,0ptp4l0-21swapper/022:04:120
114091250,1ptp4l30617-21/usr/sbin/munin23:15:131
114091250,1ptp4l17100-21timerwakeupswit22:10:255
114091250,1ptp4l11970-21latency_hist23:34:594
114091250,0ptp4l0-21swapper/623:20:236
114091250,0ptp4l0-21swapper/621:10:156
114091250,0ptp4l0-21swapper/620:40:156
114091250,0ptp4l0-21swapper/523:10:005
114091250,0ptp4l0-21swapper/522:30:205
114091250,0ptp4l0-21swapper/519:45:125
114091250,0ptp4l0-21swapper/423:49:554
114091250,0ptp4l0-21swapper/422:50:594
114091250,0ptp4l0-21swapper/422:40:004
114091250,0ptp4l0-21swapper/421:41:054
114091250,0ptp4l0-21swapper/421:15:014
114091250,0ptp4l0-21swapper/123:55:301
114091250,0ptp4l0-21swapper/123:10:211
114091250,0ptp4l0-21swapper/122:40:381
114091250,0ptp4l0-21swapper/100:08:011
114091250,0ptp4l0-21swapper/022:34:110
114091250,0ptp4l0-21swapper/021:25:190
114091250,0ptp4l0-21swapper/019:35:160
114091250,0ptp4l0-21swapper/000:35:160
114091250,0ptp4l0-21swapper/000:18:230
114091240,1ptp4l9130-21cat20:09:590
114091240,1ptp4l5011-21df_inode00:10:141
114091240,1ptp4l4120-21diskmemload22:15:131
114091240,1ptp4l30481-21cut20:55:210
114091240,1ptp4l2819-21cat19:55:164
114091240,1ptp4l24739-21unixbench_singl19:30:210
114091240,1ptp4l22929-21latency_hist20:40:002
114091240,1ptp4l18259-21latency_hist19:20:015
114091240,1ptp4l15852-21grep22:55:124
114091240,1ptp4l15818-21cpuspeed_turbos19:15:011
114091240,1ptp4l15721-21switchtime00:25:201
114091240,0ptp4l4120-21diskmemload22:51:071
114091240,0ptp4l0-21swapper/722:22:127
114091240,0ptp4l0-21swapper/623:30:166
114091240,0ptp4l0-21swapper/623:25:006
114091240,0ptp4l0-21swapper/623:12:126
114091240,0ptp4l0-21swapper/621:34:576
114091240,0ptp4l0-21swapper/600:15:216
114091240,0ptp4l0-21swapper/523:16:105
114091240,0ptp4l0-21swapper/523:10:035
114091240,0ptp4l0-21swapper/522:51:025
114091240,0ptp4l0-21swapper/521:55:135
114091240,0ptp4l0-21swapper/521:24:515
114091240,0ptp4l0-21swapper/521:12:385
114091240,0ptp4l0-21swapper/520:55:215
114091240,0ptp4l0-21swapper/520:45:235
114091240,0ptp4l0-21swapper/423:25:214
114091240,0ptp4l0-21swapper/421:31:064
114091240,0ptp4l0-21swapper/421:24:204
114091240,0ptp4l0-21swapper/420:55:224
114091240,0ptp4l0-21swapper/420:26:534
114091240,0ptp4l0-21swapper/419:45:014
114091240,0ptp4l0-21swapper/400:35:144
114091240,0ptp4l0-21swapper/400:30:124
114091240,0ptp4l0-21swapper/400:10:184
114091240,0ptp4l0-21swapper/223:20:232
114091240,0ptp4l0-21swapper/222:39:352
114091240,0ptp4l0-21swapper/221:00:172
114091240,0ptp4l0-21swapper/220:00:212
114091240,0ptp4l0-21swapper/219:10:222
114091240,0ptp4l0-21swapper/123:05:001
114091240,0ptp4l0-21swapper/121:12:201
114091240,0ptp4l0-21swapper/119:46:131
114091240,0ptp4l0-21swapper/119:20:171
114091240,0ptp4l0-21swapper/100:20:431
114091240,0ptp4l0-21swapper/100:20:421
114091240,0ptp4l0-21swapper/100:18:161
114091240,0ptp4l0-21swapper/023:35:220
114091240,0ptp4l0-21swapper/023:25:160
114091240,0ptp4l0-21swapper/023:04:530
114091240,0ptp4l0-21swapper/022:48:020
114091240,0ptp4l0-21swapper/021:49:190
114091240,0ptp4l0-21swapper/021:49:180
114091240,0ptp4l0-21swapper/021:25:000
114091240,0ptp4l0-21swapper/020:25:220
114091240,0ptp4l0-21swapper/020:15:180
114091240,0ptp4l0-21swapper/019:40:160
114091230,0ptp4l22938-21sed00:35:211
114091230,0ptp4l0-21swapper/723:53:597
114091230,0ptp4l0-21swapper/723:00:117
114091230,0ptp4l0-21swapper/623:41:186
114091230,0ptp4l0-21swapper/622:43:396
114091230,0ptp4l0-21swapper/622:29:466
114091230,0ptp4l0-21swapper/620:00:196
114091230,0ptp4l0-21swapper/600:10:016
114091230,0ptp4l0-21swapper/523:45:125
114091230,0ptp4l0-21swapper/523:35:175
114091230,0ptp4l0-21swapper/523:25:465
114091230,0ptp4l0-21swapper/523:01:395
114091230,0ptp4l0-21swapper/522:55:155
114091230,0ptp4l0-21swapper/522:48:555
114091230,0ptp4l0-21swapper/522:25:175
114091230,0ptp4l0-21swapper/521:45:145
114091230,0ptp4l0-21swapper/521:45:145
114091230,0ptp4l0-21swapper/521:40:195
114091230,0ptp4l0-21swapper/521:39:175
114091230,0ptp4l0-21swapper/521:30:215
114091230,0ptp4l0-21swapper/521:19:265
114091230,0ptp4l0-21swapper/521:05:005
114091230,0ptp4l0-21swapper/520:10:165
114091230,0ptp4l0-21swapper/519:55:205
114091230,0ptp4l0-21swapper/519:40:085
114091230,0ptp4l0-21swapper/519:39:035
114091230,0ptp4l0-21swapper/519:30:165
114091230,0ptp4l0-21swapper/519:20:115
114091230,0ptp4l0-21swapper/519:15:005
114091230,0ptp4l0-21swapper/500:31:515
114091230,0ptp4l0-21swapper/500:10:175
114091230,0ptp4l0-21swapper/500:05:125
114091230,0ptp4l0-21swapper/500:00:015
114091230,0ptp4l0-21swapper/423:55:134
114091230,0ptp4l0-21swapper/423:50:184
114091230,0ptp4l0-21swapper/423:10:174
114091230,0ptp4l0-21swapper/422:10:254
114091230,0ptp4l0-21swapper/422:00:194
114091230,0ptp4l0-21swapper/421:57:084
114091230,0ptp4l0-21swapper/421:38:074
114091230,0ptp4l0-21swapper/420:30:204
114091230,0ptp4l0-21swapper/420:10:244
114091230,0ptp4l0-21swapper/420:01:074
114091230,0ptp4l0-21swapper/419:50:144
114091230,0ptp4l0-21swapper/400:26:434
114091230,0ptp4l0-21swapper/400:00:074
114091230,0ptp4l0-21swapper/323:53:483
114091230,0ptp4l0-21swapper/223:40:152
114091230,0ptp4l0-21swapper/223:30:172
114091230,0ptp4l0-21swapper/223:07:372
114091230,0ptp4l0-21swapper/222:56:092
114091230,0ptp4l0-21swapper/222:32:012
114091230,0ptp4l0-21swapper/222:29:492
114091230,0ptp4l0-21swapper/222:20:192
114091230,0ptp4l0-21swapper/221:35:212
114091230,0ptp4l0-21swapper/200:15:222
114091230,0ptp4l0-21swapper/123:50:101
114091230,0ptp4l0-21swapper/123:45:141
114091230,0ptp4l0-21swapper/123:24:401
114091230,0ptp4l0-21swapper/122:36:111
114091230,0ptp4l0-21swapper/122:29:261
114091230,0ptp4l0-21swapper/121:50:121
114091230,0ptp4l0-21swapper/121:40:201
114091230,0ptp4l0-21swapper/121:30:181
114091230,0ptp4l0-21swapper/121:15:121
114091230,0ptp4l0-21swapper/121:05:011
114091230,0ptp4l0-21swapper/120:30:251
114091230,0ptp4l0-21swapper/119:55:181
114091230,0ptp4l0-21swapper/119:40:111
114091230,0ptp4l0-21swapper/119:30:191
114091230,0ptp4l0-21swapper/023:05:440
114091230,0ptp4l0-21swapper/022:35:540
114091230,0ptp4l0-21swapper/022:24:340
114091230,0ptp4l0-21swapper/021:51:420
114091230,0ptp4l0-21swapper/021:05:160
114091230,0ptp4l0-21swapper/020:50:180
114091230,0ptp4l0-21swapper/020:24:590
114091230,0ptp4l0-21swapper/019:45:110
114091230,0ptp4l0-21swapper/000:25:120
114091230,0ptp4l0-21swapper/000:10:350
114091230,0ptp4l0-21swapper/000:06:370
114091230,0ptp4l0-21swapper/000:05:000
114091220,2ptp4l0-21swapper/723:22:167
114091220,0ptp4l5529-21ps21:55:171
114091220,0ptp4l4262-21ssh00:09:482
114091220,0ptp4l4120-21diskmemload23:30:550
114091220,0ptp4l0-21swapper/723:38:107
114091220,0ptp4l0-21swapper/622:52:566
114091220,0ptp4l0-21swapper/622:32:406
114091220,0ptp4l0-21swapper/622:20:196
114091220,0ptp4l0-21swapper/622:18:226
114091220,0ptp4l0-21swapper/621:51:076
114091220,0ptp4l0-21swapper/620:35:166
114091220,0ptp4l0-21swapper/600:31:566
114091220,0ptp4l0-21swapper/600:27:486
114091220,0ptp4l0-21swapper/523:43:125
114091220,0ptp4l0-21swapper/523:30:415
114091220,0ptp4l0-21swapper/522:41:175
114091220,0ptp4l0-21swapper/522:21:195
114091220,0ptp4l0-21swapper/522:15:135
114091220,0ptp4l0-21swapper/522:09:035
114091220,0ptp4l0-21swapper/521:50:145
114091220,0ptp4l0-21swapper/521:05:145
114091220,0ptp4l0-21swapper/520:50:135
114091220,0ptp4l0-21swapper/520:25:155
114091220,0ptp4l0-21swapper/520:04:055
114091220,0ptp4l0-21swapper/500:35:195
114091220,0ptp4l0-21swapper/500:25:195
114091220,0ptp4l0-21swapper/500:17:005
114091220,0ptp4l0-21swapper/423:23:594
114091220,0ptp4l0-21swapper/423:05:084
114091220,0ptp4l0-21swapper/422:21:064
114091220,0ptp4l0-21swapper/421:51:464
114091220,0ptp4l0-21swapper/421:45:194
114091220,0ptp4l0-21swapper/421:45:184
114091220,0ptp4l0-21swapper/421:25:084
114091220,0ptp4l0-21swapper/420:50:174
114091220,0ptp4l0-21swapper/420:07:534
114091220,0ptp4l0-21swapper/419:40:154
114091220,0ptp4l0-21swapper/419:30:144
114091220,0ptp4l0-21swapper/419:25:134
114091220,0ptp4l0-21swapper/323:37:443
114091220,0ptp4l0-21swapper/322:59:533
114091220,0ptp4l0-21swapper/320:27:063
114091220,0ptp4l0-21swapper/223:46:402
114091220,0ptp4l0-21swapper/223:39:332
114091220,0ptp4l0-21swapper/223:11:412
114091220,0ptp4l0-21swapper/222:45:002
114091220,0ptp4l0-21swapper/222:44:552
114091220,0ptp4l0-21swapper/222:18:072
114091220,0ptp4l0-21swapper/221:50:562
114091220,0ptp4l0-21swapper/221:47:322
114091220,0ptp4l0-21swapper/221:47:312
114091220,0ptp4l0-21swapper/221:34:492
114091220,0ptp4l0-21swapper/221:10:152
114091220,0ptp4l0-21swapper/220:40:202
114091220,0ptp4l0-21swapper/200:27:512
114091220,0ptp4l0-21swapper/123:42:201
114091220,0ptp4l0-21swapper/123:30:501
114091220,0ptp4l0-21swapper/122:55:121
114091220,0ptp4l0-21swapper/122:46:041
114091220,0ptp4l0-21swapper/122:30:011
114091220,0ptp4l0-21swapper/122:23:461
114091220,0ptp4l0-21swapper/122:10:181
114091220,0ptp4l0-21swapper/122:09:281
114091220,0ptp4l0-21swapper/122:00:561
114091220,0ptp4l0-21swapper/121:45:151
114091220,0ptp4l0-21swapper/121:45:141
114091220,0ptp4l0-21swapper/121:05:121
114091220,0ptp4l0-21swapper/120:55:251
114091220,0ptp4l0-21swapper/120:50:141
114091220,0ptp4l0-21swapper/120:45:191
114091220,0ptp4l0-21swapper/120:44:531
114091220,0ptp4l0-21swapper/120:20:131
114091220,0ptp4l0-21swapper/120:16:051
114091220,0ptp4l0-21swapper/119:50:181
114091220,0ptp4l0-21swapper/119:25:181
114091220,0ptp4l0-21swapper/100:30:211
114091220,0ptp4l0-21swapper/023:22:500
114091220,0ptp4l0-21swapper/022:26:280
114091220,0ptp4l0-21swapper/021:35:450
114091220,0ptp4l0-21swapper/021:12:470
114091220,0ptp4l0-21swapper/020:10:240
114091220,0ptp4l0-21swapper/019:50:120
114091220,0ptp4l0-21swapper/019:15:150
114091210,0ptp4l0-21swapper/623:39:526
114091210,0ptp4l0-21swapper/623:09:246
114091210,0ptp4l0-21swapper/621:20:426
114091210,0ptp4l0-21swapper/523:51:295
114091210,0ptp4l0-21swapper/523:23:225
114091210,0ptp4l0-21swapper/522:35:235
114091210,0ptp4l0-21swapper/522:00:585
114091210,0ptp4l0-21swapper/521:25:405
114091210,0ptp4l0-21swapper/520:30:265
114091210,0ptp4l0-21swapper/520:15:135
114091210,0ptp4l0-21swapper/519:54:145
114091210,0ptp4l0-21swapper/519:26:395
114091210,0ptp4l0-21swapper/423:43:124
114091210,0ptp4l0-21swapper/422:25:574
114091210,0ptp4l0-21swapper/419:22:154
114091210,0ptp4l0-21swapper/400:18:434
114091210,0ptp4l0-21swapper/320:23:243
114091210,0ptp4l0-21swapper/223:19:212
114091210,0ptp4l0-21swapper/219:18:042
114091210,0ptp4l0-21swapper/200:31:542
114091210,0ptp4l0-21swapper/123:25:181
114091210,0ptp4l0-21swapper/120:10:151
114091210,0ptp4l0-21swapper/120:05:001
114091210,0ptp4l0-21swapper/120:00:161
114091210,0ptp4l0-21swapper/119:39:491
114091210,0ptp4l0-21swapper/020:45:530
114091210,0ptp4l0-21swapper/020:30:210
114091210,0ptp4l0-21swapper/019:25:220
114091210,0ptp4l0-21swapper/019:20:110
114091210,0ptp4l0-21swapper/000:23:540
114091210,0ptp4l0-21swapper/000:23:530
114091200,0ptp4l4120-21diskmemload21:18:303
114091200,0ptp4l0-21swapper/723:44:187
114091200,0ptp4l0-21swapper/623:46:366
114091200,0ptp4l0-21swapper/622:45:036
114091200,0ptp4l0-21swapper/621:44:356
114091200,0ptp4l0-21swapper/620:51:506
114091200,0ptp4l0-21swapper/620:14:116
114091200,0ptp4l0-21swapper/619:33:056
114091200,0ptp4l0-21swapper/422:09:494
114091200,0ptp4l0-21swapper/421:01:124
114091200,0ptp4l0-21swapper/420:48:084
114091200,0ptp4l0-21swapper/419:14:014
114091200,0ptp4l0-21swapper/323:44:103
114091200,0ptp4l0-21swapper/323:22:103
114091200,0ptp4l0-21swapper/222:53:082
114091200,0ptp4l0-21swapper/221:09:532
114091200,0ptp4l0-21swapper/220:34:352
114091200,0ptp4l0-21swapper/119:14:271
114091200,0ptp4l0-21swapper/022:08:200
114091200,0ptp4l0-21swapper/020:37:530
114091190,0ptp4l0-21swapper/620:27:486
114091190,0ptp4l0-21swapper/619:52:436
114091190,0ptp4l0-21swapper/520:44:545
114091190,0ptp4l0-21swapper/221:20:362
114091190,0ptp4l0-21swapper/221:18:422
114091190,0ptp4l0-21swapper/220:58:562
114091190,0ptp4l0-21swapper/219:53:172
114091190,0ptp4l0-21swapper/200:14:572
114091190,0ptp4l0-21swapper/020:44:050
114091190,0ptp4l0-21swapper/019:55:150
114091180,0ptp4l0-21swapper/721:18:297
114091180,0ptp4l0-21swapper/620:33:466
114091180,0ptp4l0-21swapper/620:18:516
114091180,0ptp4l0-21swapper/600:10:046
114091180,0ptp4l0-21swapper/419:15:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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