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2025-11-29 - 05:16

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 Sat Nov 29, 2025 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091630,32ptp4l0-21swapper/319:07:053
114091630,32ptp4l0-21swapper/019:05:130
99472620,0sleep50-21swapper/520:55:155
114091590,5ptp4l0-21swapper/719:08:537
114091590,5ptp4l0-21swapper/419:05:404
2464425847,6sleep20-21swapper/219:05:552
260212570,0sleep10-21swapper/122:53:341
2463025431,7sleep50-21swapper/519:05:505
2482025242,6sleep60-21swapper/619:08:086
2496124838,6sleep10-21swapper/119:09:551
114091370,0ptp4l0-21swapper/519:10:155
114091350,1ptp4l1084-21snmpd22:50:134
114091350,0ptp4l0-21swapper/119:50:131
114091340,0ptp4l0-21swapper/523:42:035
114091340,0ptp4l0-21swapper/122:25:141
114091330,0ptp4l0-21swapper/123:52:291
114091320,1ptp4l6534-21irqrtprio21:40:155
114091320,1ptp4l28884-21/usr/sbin/munin22:10:221
114091320,0ptp4l0-21swapper/519:55:185
114091320,0ptp4l0-21swapper/421:20:164
114091320,0ptp4l0-21swapper/321:56:353
114091320,0ptp4l0-21swapper/221:29:552
114091310,2ptp4l401ktimersoftd/319:30:203
114091310,0ptp4l321ktimersoftd/223:20:192
114091310,0ptp4l0-21swapper/223:16:132
114091310,0ptp4l0-21swapper/221:33:252
114091310,0ptp4l0-21swapper/000:10:190
114091300,2ptp4l0-21swapper/523:19:365
114091300,0ptp4l0-21swapper/522:22:285
114091300,0ptp4l0-21swapper/322:09:143
114091300,0ptp4l0-21swapper/221:46:532
114091300,0ptp4l0-21swapper/200:35:352
114091300,0ptp4l0-21swapper/122:39:581
114091300,0ptp4l0-21swapper/120:05:121
114091290,3ptp4l401ktimersoftd/322:00:173
114091290,2ptp4l0-21swapper/323:48:223
114091290,1ptp4l0-21swapper/400:04:094
114091290,0ptp4l0-21swapper/722:49:077
114091290,0ptp4l0-21swapper/523:28:585
114091290,0ptp4l0-21swapper/523:28:585
114091290,0ptp4l0-21swapper/423:50:194
114091290,0ptp4l0-21swapper/422:30:424
114091290,0ptp4l0-21swapper/422:05:224
114091290,0ptp4l0-21swapper/121:51:171
114091290,0ptp4l0-21swapper/121:40:031
114091290,0ptp4l0-21swapper/121:20:141
114091290,0ptp4l0-21swapper/121:10:411
114091290,0ptp4l0-21swapper/021:54:450
114091290,0ptp4l0-21swapper/021:34:300
114091280,2ptp4l0-21swapper/521:28:585
114091280,1ptp4l0-21swapper/500:01:015
114091280,0ptp4l0-21swapper/523:35:035
114091280,0ptp4l0-21swapper/522:50:145
114091280,0ptp4l0-21swapper/422:59:014
114091280,0ptp4l0-21swapper/322:55:013
114091280,0ptp4l0-21swapper/123:38:101
114091280,0ptp4l0-21swapper/123:28:591
114091280,0ptp4l0-21swapper/123:28:591
114091280,0ptp4l0-21swapper/119:40:001
114091280,0ptp4l0-21swapper/023:13:300
114091280,0ptp4l0-21swapper/022:46:440
114091280,0ptp4l0-21swapper/021:38:550
114091280,0ptp4l0-21swapper/000:28:250
114091270,0ptp4l0-21swapper/522:26:255
114091270,0ptp4l0-21swapper/522:18:185
114091270,0ptp4l0-21swapper/522:00:155
114091270,0ptp4l0-21swapper/521:12:475
114091270,0ptp4l0-21swapper/500:24:475
114091270,0ptp4l0-21swapper/500:08:485
114091270,0ptp4l0-21swapper/300:06:133
114091270,0ptp4l0-21swapper/200:28:082
114091270,0ptp4l0-21swapper/100:17:281
114091270,0ptp4l0-21swapper/022:42:080
114091260,1ptp4l30914-21sh00:32:445
114091260,0ptp4l0-21swapper/723:14:247
114091260,0ptp4l0-21swapper/523:23:075
114091260,0ptp4l0-21swapper/522:32:255
114091260,0ptp4l0-21swapper/522:14:535
114091260,0ptp4l0-21swapper/520:00:165
114091260,0ptp4l0-21swapper/422:26:084
114091260,0ptp4l0-21swapper/221:15:592
114091260,0ptp4l0-21swapper/123:44:591
114091260,0ptp4l0-21swapper/123:19:051
114091260,0ptp4l0-21swapper/123:06:361
114091260,0ptp4l0-21swapper/122:20:001
114091260,0ptp4l0-21swapper/121:59:301
114091260,0ptp4l0-21swapper/121:15:421
114091260,0ptp4l0-21swapper/119:15:161
114091260,0ptp4l0-21swapper/023:43:200
114091260,0ptp4l0-21swapper/022:58:530
114091250,2ptp4l0-21swapper/523:30:585
114091250,1ptp4l27203-21df_inode22:55:147
114091250,1ptp4l26861-21ps20:20:195
114091250,0ptp4l0-21swapper/523:59:205
114091250,0ptp4l0-21swapper/523:13:065
114091250,0ptp4l0-21swapper/521:00:195
114091250,0ptp4l0-21swapper/500:10:175
114091250,0ptp4l0-21swapper/422:15:164
114091250,0ptp4l0-21swapper/422:00:164
114091250,0ptp4l0-21swapper/420:40:124
114091250,0ptp4l0-21swapper/419:10:214
114091250,0ptp4l0-21swapper/400:23:284
114091250,0ptp4l0-21swapper/323:15:153
114091250,0ptp4l0-21swapper/222:56:192
114091250,0ptp4l0-21swapper/219:37:582
114091250,0ptp4l0-21swapper/122:46:111
114091250,0ptp4l0-21swapper/122:24:591
114091250,0ptp4l0-21swapper/121:35:191
114091250,0ptp4l0-21swapper/121:25:151
114091250,0ptp4l0-21swapper/121:10:001
114091250,0ptp4l0-21swapper/120:45:141
114091250,0ptp4l0-21swapper/100:39:501
114091250,0ptp4l0-21swapper/100:25:171
114091250,0ptp4l0-21swapper/100:20:211
114091250,0ptp4l0-21swapper/023:19:180
114091250,0ptp4l0-21swapper/021:56:100
114091250,0ptp4l0-21swapper/000:02:420
114091240,1ptp4l859-21latency_hist23:50:011
114091240,1ptp4l8438-21switchtime20:50:206
114091240,1ptp4l8438-21switchtime20:50:206
114091240,1ptp4l805-21if_virbr020:35:175
114091240,1ptp4l6004-21sensors23:55:184
114091240,1ptp4l30103-21unixbench_singl00:30:211
114091240,1ptp4l24188-21irqstats20:15:171
114091240,1ptp4l23628-21fw_conntrack22:50:130
114091240,1ptp4l23523-21munin-run21:20:010
114091240,1ptp4l12889-21cat19:50:185
114091240,1ptp4l1253-21/usr/sbin/munin23:50:170
114091240,1ptp4l12526-21fw_conntrack23:20:146
114091240,0ptp4l0-21swapper/723:15:187
114091240,0ptp4l0-21swapper/721:57:207
114091240,0ptp4l0-21swapper/621:31:516
114091240,0ptp4l0-21swapper/621:16:306
114091240,0ptp4l0-21swapper/619:20:216
114091240,0ptp4l0-21swapper/523:00:185
114091240,0ptp4l0-21swapper/522:55:385
114091240,0ptp4l0-21swapper/522:39:335
114091240,0ptp4l0-21swapper/521:22:565
114091240,0ptp4l0-21swapper/520:15:155
114091240,0ptp4l0-21swapper/520:10:175
114091240,0ptp4l0-21swapper/519:45:195
114091240,0ptp4l0-21swapper/423:30:214
114091240,0ptp4l0-21swapper/423:07:074
114091240,0ptp4l0-21swapper/421:47:554
114091240,0ptp4l0-21swapper/420:55:124
114091240,0ptp4l0-21swapper/400:39:334
114091240,0ptp4l0-21swapper/400:33:394
114091240,0ptp4l0-21swapper/400:08:574
114091240,0ptp4l0-21swapper/322:54:563
114091240,0ptp4l0-21swapper/223:05:122
114091240,0ptp4l0-21swapper/219:18:292
114091240,0ptp4l0-21swapper/123:12:581
114091240,0ptp4l0-21swapper/122:55:581
114091240,0ptp4l0-21swapper/122:00:101
114091240,0ptp4l0-21swapper/121:34:491
114091240,0ptp4l0-21swapper/121:00:191
114091240,0ptp4l0-21swapper/120:41:311
114091240,0ptp4l0-21swapper/120:30:371
114091240,0ptp4l0-21swapper/120:20:181
114091240,0ptp4l0-21swapper/120:10:181
114091240,0ptp4l0-21swapper/021:00:000
114091240,0ptp4l0-21swapper/019:31:140
114091230,3ptp4l0-21swapper/120:59:141
114091230,1ptp4l7003-21sed20:50:010
114091230,0ptp4l49-21ksoftirqd/400:26:094
114091230,0ptp4l0-21swapper/723:46:067
114091230,0ptp4l0-21swapper/623:10:156
114091230,0ptp4l0-21swapper/623:05:166
114091230,0ptp4l0-21swapper/621:45:136
114091230,0ptp4l0-21swapper/621:30:006
114091230,0ptp4l0-21swapper/619:25:166
114091230,0ptp4l0-21swapper/600:35:156
114091230,0ptp4l0-21swapper/600:05:126
114091230,0ptp4l0-21swapper/523:45:195
114091230,0ptp4l0-21swapper/522:45:095
114091230,0ptp4l0-21swapper/522:40:165
114091230,0ptp4l0-21swapper/522:05:155
114091230,0ptp4l0-21swapper/521:50:155
114091230,0ptp4l0-21swapper/521:48:065
114091230,0ptp4l0-21swapper/521:35:185
114091230,0ptp4l0-21swapper/521:05:145
114091230,0ptp4l0-21swapper/520:45:135
114091230,0ptp4l0-21swapper/520:30:165
114091230,0ptp4l0-21swapper/520:05:105
114091230,0ptp4l0-21swapper/519:40:135
114091230,0ptp4l0-21swapper/519:35:115
114091230,0ptp4l0-21swapper/519:15:145
114091230,0ptp4l0-21swapper/500:25:165
114091230,0ptp4l0-21swapper/500:15:175
114091230,0ptp4l0-21swapper/423:40:234
114091230,0ptp4l0-21swapper/423:25:134
114091230,0ptp4l0-21swapper/423:25:124
114091230,0ptp4l0-21swapper/423:17:594
114091230,0ptp4l0-21swapper/423:00:144
114091230,0ptp4l0-21swapper/422:45:234
114091230,0ptp4l0-21swapper/422:14:274
114091230,0ptp4l0-21swapper/421:55:194
114091230,0ptp4l0-21swapper/421:39:364
114091230,0ptp4l0-21swapper/421:25:164
114091230,0ptp4l0-21swapper/421:05:204
114091230,0ptp4l0-21swapper/419:58:124
114091230,0ptp4l0-21swapper/419:16:354
114091230,0ptp4l0-21swapper/400:11:154
114091230,0ptp4l0-21swapper/320:25:173
114091230,0ptp4l0-21swapper/223:10:202
114091230,0ptp4l0-21swapper/221:44:202
114091230,0ptp4l0-21swapper/220:58:182
114091230,0ptp4l0-21swapper/220:50:142
114091230,0ptp4l0-21swapper/220:50:132
114091230,0ptp4l0-21swapper/219:25:122
114091230,0ptp4l0-21swapper/219:20:222
114091230,0ptp4l0-21swapper/200:05:152
114091230,0ptp4l0-21swapper/200:05:012
114091230,0ptp4l0-21swapper/123:30:021
114091230,0ptp4l0-21swapper/123:00:151
114091230,0ptp4l0-21swapper/122:40:141
114091230,0ptp4l0-21swapper/122:30:121
114091230,0ptp4l0-21swapper/120:35:151
114091230,0ptp4l0-21swapper/120:27:131
114091230,0ptp4l0-21swapper/119:55:111
114091230,0ptp4l0-21swapper/119:45:191
114091230,0ptp4l0-21swapper/119:21:411
114091230,0ptp4l0-21swapper/119:10:151
114091230,0ptp4l0-21swapper/100:10:131
114091230,0ptp4l0-21swapper/100:00:211
114091230,0ptp4l0-21swapper/023:55:010
114091230,0ptp4l0-21swapper/023:30:160
114091230,0ptp4l0-21swapper/023:25:150
114091230,0ptp4l0-21swapper/023:25:150
114091230,0ptp4l0-21swapper/023:22:000
114091230,0ptp4l0-21swapper/023:08:540
114091230,0ptp4l0-21swapper/022:06:020
114091230,0ptp4l0-21swapper/021:25:160
114091230,0ptp4l0-21swapper/021:05:200
114091230,0ptp4l0-21swapper/021:03:090
114091230,0ptp4l0-21swapper/020:40:190
114091230,0ptp4l0-21swapper/020:35:180
114091230,0ptp4l0-21swapper/020:20:220
114091230,0ptp4l0-21swapper/020:08:180
114091230,0ptp4l0-21swapper/020:00:170
114091230,0ptp4l0-21swapper/019:53:350
114091230,0ptp4l0-21swapper/019:26:420
114091230,0ptp4l0-21swapper/019:10:200
114091230,0ptp4l0-21swapper/000:33:490
114091230,0ptp4l0-21swapper/000:10:010
114091220,0ptp4l0-21swapper/723:57:587
114091220,0ptp4l0-21swapper/721:41:397
114091220,0ptp4l0-21swapper/720:25:117
114091220,0ptp4l0-21swapper/720:23:527
114091220,0ptp4l0-21swapper/719:30:127
114091220,0ptp4l0-21swapper/700:36:467
114091220,0ptp4l0-21swapper/623:16:206
114091220,0ptp4l0-21swapper/622:57:506
114091220,0ptp4l0-21swapper/622:51:276
114091220,0ptp4l0-21swapper/622:12:576
114091220,0ptp4l0-21swapper/621:51:036
114091220,0ptp4l0-21swapper/621:44:056
114091220,0ptp4l0-21swapper/621:22:036
114091220,0ptp4l0-21swapper/600:28:026
114091220,0ptp4l0-21swapper/523:50:125
114091220,0ptp4l0-21swapper/523:07:585
114091220,0ptp4l0-21swapper/521:58:085
114091220,0ptp4l0-21swapper/521:33:005
114091220,0ptp4l0-21swapper/521:17:465
114091220,0ptp4l0-21swapper/520:40:015
114091220,0ptp4l0-21swapper/500:36:285
114091220,0ptp4l0-21swapper/423:37:364
114091220,0ptp4l0-21swapper/423:24:104
114091220,0ptp4l0-21swapper/423:11:224
114091220,0ptp4l0-21swapper/422:40:124
114091220,0ptp4l0-21swapper/422:35:234
114091220,0ptp4l0-21swapper/422:20:114
114091220,0ptp4l0-21swapper/421:53:214
114091220,0ptp4l0-21swapper/421:41:274
114091220,0ptp4l0-21swapper/421:15:134
114091220,0ptp4l0-21swapper/421:12:274
114091220,0ptp4l0-21swapper/420:49:254
114091220,0ptp4l0-21swapper/420:27:524
114091220,0ptp4l0-21swapper/420:16:274
114091220,0ptp4l0-21swapper/420:06:434
114091220,0ptp4l0-21swapper/420:00:184
114091220,0ptp4l0-21swapper/323:58:173
114091220,0ptp4l0-21swapper/323:14:203
114091220,0ptp4l0-21swapper/322:46:563
114091220,0ptp4l0-21swapper/321:41:453
114091220,0ptp4l0-21swapper/300:37:033
114091220,0ptp4l0-21swapper/223:04:262
114091220,0ptp4l0-21swapper/222:51:302
114091220,0ptp4l0-21swapper/222:20:532
114091220,0ptp4l0-21swapper/222:13:052
114091220,0ptp4l0-21swapper/221:21:532
114091220,0ptp4l0-21swapper/220:39:072
114091220,0ptp4l0-21swapper/220:25:192
114091220,0ptp4l0-21swapper/200:34:312
114091220,0ptp4l0-21swapper/123:55:471
114091220,0ptp4l0-21swapper/123:21:261
114091220,0ptp4l0-21swapper/122:05:001
114091220,0ptp4l0-21swapper/121:49:121
114091220,0ptp4l0-21swapper/120:03:361
114091220,0ptp4l0-21swapper/119:40:131
114091220,0ptp4l0-21swapper/119:26:371
114091220,0ptp4l0-21swapper/023:00:020
114091220,0ptp4l0-21swapper/022:37:320
114091220,0ptp4l0-21swapper/022:30:590
114091220,0ptp4l0-21swapper/022:20:120
114091220,0ptp4l0-21swapper/022:16:270
114091220,0ptp4l0-21swapper/022:14:340
114091220,0ptp4l0-21swapper/022:00:160
114091220,0ptp4l0-21swapper/021:40:200
114091220,0ptp4l0-21swapper/021:20:590
114091220,0ptp4l0-21swapper/021:12:280
114091220,0ptp4l0-21swapper/019:35:110
114091220,0ptp4l0-21swapper/000:39:280
114091220,0ptp4l0-21swapper/000:23:150
114091210,1ptp4l6644-21pgrep20:46:527
114091210,1ptp4l444-21ssh23:49:050
114091210,0ptp4l16106-21diskmemload23:04:276
114091210,0ptp4l0-21swapper/722:54:297
114091210,0ptp4l0-21swapper/722:09:197
114091210,0ptp4l0-21swapper/722:00:247
114091210,0ptp4l0-21swapper/719:30:007
114091210,0ptp4l0-21swapper/700:05:577
114091210,0ptp4l0-21swapper/622:40:426
114091210,0ptp4l0-21swapper/600:00:376
114091210,0ptp4l0-21swapper/520:26:275
114091210,0ptp4l0-21swapper/421:32:184
114091210,0ptp4l0-21swapper/420:37:254
114091210,0ptp4l0-21swapper/320:23:273
114091210,0ptp4l0-21swapper/222:40:432
114091210,0ptp4l0-21swapper/221:51:022
114091210,0ptp4l0-21swapper/221:14:042
114091210,0ptp4l0-21swapper/220:42:082
114091210,0ptp4l0-21swapper/120:52:271
114091210,0ptp4l0-21swapper/120:52:271
114091210,0ptp4l0-21swapper/119:31:501
114091210,0ptp4l0-21swapper/100:06:471
114091210,0ptp4l0-21swapper/023:37:370
114091210,0ptp4l0-21swapper/022:26:080
114091210,0ptp4l0-21swapper/020:19:260
114091210,0ptp4l0-21swapper/020:12:260
114091210,0ptp4l0-21swapper/019:56:430
114091210,0ptp4l0-21swapper/019:15:250
114091210,0ptp4l0-21swapper/000:16:510
114091200,0ptp4l0-21swapper/622:20:526
114091200,0ptp4l0-21swapper/621:08:526
114091200,0ptp4l0-21swapper/619:18:516
277832190,0sleep20-21swapper/220:25:002
114091190,0ptp4l0-21swapper/623:55:566
114091190,0ptp4l0-21swapper/621:14:016
114091190,0ptp4l0-21swapper/600:34:456
114091190,0ptp4l0-21swapper/520:51:555
114091190,0ptp4l0-21swapper/520:51:545
114091190,0ptp4l0-21swapper/420:32:094
114091190,0ptp4l0-21swapper/420:14:554
114091190,0ptp4l0-21swapper/419:42:314
114091190,0ptp4l0-21swapper/419:36:574
114091190,0ptp4l0-21swapper/223:55:562
114091190,0ptp4l0-21swapper/220:17:342
114091190,0ptp4l0-21swapper/020:32:080
2526099183,13cyclictest0-21swapper/519:21:155
114091180,0ptp4l0-21swapper/519:28:275
114091180,0ptp4l0-21swapper/423:45:414
114091180,0ptp4l0-21swapper/400:16:354
114091170,2ptp4l0-21swapper/019:43:560
114091170,0ptp4l0-21swapper/519:31:265
114091170,0ptp4l0-21swapper/419:45:334
114091170,0ptp4l0-21swapper/021:47:540
114091160,0ptp4l0-21swapper/620:58:296
114091160,0ptp4l0-21swapper/620:42:116
114091160,0ptp4l0-21swapper/620:39:446
114091160,0ptp4l0-21swapper/420:50:034
114091160,0ptp4l0-21swapper/420:50:034
114091160,0ptp4l0-21swapper/419:53:034
114091160,0ptp4l0-21swapper/419:27:484
114091160,0ptp4l0-21swapper/320:46:363
114091160,0ptp4l0-21swapper/221:08:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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