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2025-11-27 - 12:39

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 Thu Nov 27, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2257321120,0sleep40-21swapper/422:06:024
114091630,6ptp4l0-21swapper/119:08:371
114091620,31ptp4l0-21swapper/019:07:440
2488326151,6sleep30-21swapper/319:07:583
227292590,0sleep00-21swapper/022:06:310
114091590,6ptp4l0-21swapper/519:06:335
2473025846,7sleep70-21swapper/719:06:007
2120915632,7phc2sys0-21swapper/419:08:564
2481325242,6sleep60-21swapper/619:07:046
2467725140,6sleep20-21swapper/219:05:242
114091450,0ptp4l0-21swapper/621:00:006
114091350,0ptp4l0-21swapper/520:00:225
114091310,0ptp4l0-21swapper/121:30:111
114091310,0ptp4l0-21swapper/021:10:390
114091300,0ptp4l0-21swapper/519:35:155
114091300,0ptp4l0-21swapper/421:55:144
114091300,0ptp4l0-21swapper/122:47:121
114091300,0ptp4l0-21swapper/119:10:151
114091300,0ptp4l0-21swapper/021:55:180
114091300,0ptp4l0-21swapper/021:40:170
114091290,0ptp4l0-21swapper/522:35:215
114091290,0ptp4l0-21swapper/520:10:185
114091290,0ptp4l0-21swapper/022:51:440
114091290,0ptp4l0-21swapper/022:42:490
114091280,6ptp4l24759-21ssh00:27:444
114091280,3ptp4l0-21swapper/422:37:294
114091280,1ptp4l13582-21latency_hist21:55:000
114091280,0ptp4l0-21swapper/623:33:256
114091280,0ptp4l0-21swapper/523:01:005
114091280,0ptp4l0-21swapper/500:28:515
114091280,0ptp4l0-21swapper/400:39:124
114091280,0ptp4l0-21swapper/122:03:561
114091280,0ptp4l0-21swapper/100:28:401
114091280,0ptp4l0-21swapper/022:13:170
114091280,0ptp4l0-21swapper/021:33:390
114091270,2ptp4l0-21swapper/121:39:101
114091270,2ptp4l0-21swapper/023:12:590
114091270,0ptp4l0-21swapper/523:23:035
114091270,0ptp4l0-21swapper/522:40:465
114091270,0ptp4l0-21swapper/521:31:185
114091270,0ptp4l0-21swapper/421:42:434
114091270,0ptp4l0-21swapper/223:31:082
114091270,0ptp4l0-21swapper/123:29:291
114091270,0ptp4l0-21swapper/122:37:151
114091270,0ptp4l0-21swapper/121:45:111
114091270,0ptp4l0-21swapper/100:38:001
114091270,0ptp4l0-21swapper/023:44:240
114091270,0ptp4l0-21swapper/000:22:280
114091260,4ptp4l0-21swapper/122:18:521
114091260,0ptp4l0-21swapper/523:40:055
114091260,0ptp4l0-21swapper/523:15:205
114091260,0ptp4l0-21swapper/522:58:575
114091260,0ptp4l0-21swapper/522:30:575
114091260,0ptp4l0-21swapper/521:40:485
114091260,0ptp4l0-21swapper/521:20:485
114091260,0ptp4l0-21swapper/423:57:584
114091260,0ptp4l0-21swapper/421:50:594
114091260,0ptp4l0-21swapper/421:36:054
114091260,0ptp4l0-21swapper/400:31:214
114091260,0ptp4l0-21swapper/221:39:592
114091260,0ptp4l0-21swapper/123:13:441
114091260,0ptp4l0-21swapper/122:56:311
114091260,0ptp4l0-21swapper/122:44:311
114091260,0ptp4l0-21swapper/023:01:370
114091260,0ptp4l0-21swapper/021:45:130
114091260,0ptp4l0-21swapper/021:35:560
114091260,0ptp4l0-21swapper/000:39:170
114091260,0ptp4l0-21swapper/000:10:190
114091260,0ptp4l0-21swapper/000:09:080
114091250,1ptp4l19429-21if_enp1s020:05:150
114091250,0ptp4l0-21swapper/619:30:136
114091250,0ptp4l0-21swapper/523:55:555
114091250,0ptp4l0-21swapper/522:29:595
114091250,0ptp4l0-21swapper/521:17:355
114091250,0ptp4l0-21swapper/500:38:595
114091250,0ptp4l0-21swapper/500:17:205
114091250,0ptp4l0-21swapper/421:45:454
114091250,0ptp4l0-21swapper/419:15:114
114091250,0ptp4l0-21swapper/400:18:054
114091250,0ptp4l0-21swapper/400:00:234
114091250,0ptp4l0-21swapper/220:45:012
114091250,0ptp4l0-21swapper/219:30:162
114091250,0ptp4l0-21swapper/123:48:201
114091250,0ptp4l0-21swapper/123:37:261
114091250,0ptp4l0-21swapper/123:15:541
114091250,0ptp4l0-21swapper/122:10:301
114091250,0ptp4l0-21swapper/120:00:211
114091250,0ptp4l0-21swapper/119:25:191
114091250,0ptp4l0-21swapper/100:03:221
114091250,0ptp4l0-21swapper/020:30:070
114091250,0ptp4l0-21swapper/020:30:060
114091240,1ptp4l9683-21memory21:00:172
114091240,1ptp4l5755-21ssh23:15:080
114091240,1ptp4l31078-21/usr/sbin/munin19:20:154
114091240,1ptp4l28191-21latency_hist20:25:001
114091240,1ptp4l23925-21hddtemp_smartct20:15:145
114091240,1ptp4l22296-21/usr/sbin/munin21:20:181
114091240,1ptp4l18440-21latency_hist00:20:006
114091240,1ptp4l0-21swapper/521:55:285
114091240,1ptp4l0-21swapper/200:06:442
114091240,0ptp4l26745-21memory00:30:161
114091240,0ptp4l0-21swapper/623:07:296
114091240,0ptp4l0-21swapper/623:07:296
114091240,0ptp4l0-21swapper/622:22:316
114091240,0ptp4l0-21swapper/621:25:126
114091240,0ptp4l0-21swapper/621:00:116
114091240,0ptp4l0-21swapper/620:45:156
114091240,0ptp4l0-21swapper/523:50:585
114091240,0ptp4l0-21swapper/523:38:205
114091240,0ptp4l0-21swapper/523:25:145
114091240,0ptp4l0-21swapper/523:07:085
114091240,0ptp4l0-21swapper/523:07:085
114091240,0ptp4l0-21swapper/522:18:565
114091240,0ptp4l0-21swapper/522:09:285
114091240,0ptp4l0-21swapper/521:50:175
114091240,0ptp4l0-21swapper/520:50:195
114091240,0ptp4l0-21swapper/520:20:115
114091240,0ptp4l0-21swapper/519:50:185
114091240,0ptp4l0-21swapper/519:10:145
114091240,0ptp4l0-21swapper/500:00:135
114091240,0ptp4l0-21swapper/422:27:044
114091240,0ptp4l0-21swapper/422:00:274
114091240,0ptp4l0-21swapper/421:30:124
114091240,0ptp4l0-21swapper/421:22:404
114091240,0ptp4l0-21swapper/420:00:004
114091240,0ptp4l0-21swapper/400:10:194
114091240,0ptp4l0-21swapper/221:15:192
114091240,0ptp4l0-21swapper/220:23:282
114091240,0ptp4l0-21swapper/121:50:131
114091240,0ptp4l0-21swapper/121:17:071
114091240,0ptp4l0-21swapper/121:10:191
114091240,0ptp4l0-21swapper/120:50:181
114091240,0ptp4l0-21swapper/119:50:191
114091240,0ptp4l0-21swapper/119:35:141
114091240,0ptp4l0-21swapper/021:15:180
114091240,0ptp4l0-21swapper/019:45:180
114091240,0ptp4l0-21swapper/019:40:190
114091240,0ptp4l0-21swapper/000:01:410
114091230,0ptp4l3742-21unixbench_singl23:10:194
114091230,0ptp4l0-21swapper/623:40:146
114091230,0ptp4l0-21swapper/622:10:186
114091230,0ptp4l0-21swapper/621:44:176
114091230,0ptp4l0-21swapper/523:45:105
114091230,0ptp4l0-21swapper/522:53:335
114091230,0ptp4l0-21swapper/522:45:135
114091230,0ptp4l0-21swapper/522:25:005
114091230,0ptp4l0-21swapper/522:10:135
114091230,0ptp4l0-21swapper/522:00:135
114091230,0ptp4l0-21swapper/521:49:365
114091230,0ptp4l0-21swapper/521:37:575
114091230,0ptp4l0-21swapper/521:10:175
114091230,0ptp4l0-21swapper/521:05:165
114091230,0ptp4l0-21swapper/520:30:145
114091230,0ptp4l0-21swapper/520:30:145
114091230,0ptp4l0-21swapper/520:10:005
114091230,0ptp4l0-21swapper/519:55:175
114091230,0ptp4l0-21swapper/519:40:115
114091230,0ptp4l0-21swapper/519:25:115
114091230,0ptp4l0-21swapper/500:30:175
114091230,0ptp4l0-21swapper/500:20:165
114091230,0ptp4l0-21swapper/423:25:194
114091230,0ptp4l0-21swapper/423:20:124
114091230,0ptp4l0-21swapper/422:50:194
114091230,0ptp4l0-21swapper/422:45:154
114091230,0ptp4l0-21swapper/422:43:554
114091230,0ptp4l0-21swapper/422:30:214
114091230,0ptp4l0-21swapper/422:18:174
114091230,0ptp4l0-21swapper/421:15:174
114091230,0ptp4l0-21swapper/421:10:124
114091230,0ptp4l0-21swapper/420:30:154
114091230,0ptp4l0-21swapper/420:30:144
114091230,0ptp4l0-21swapper/420:05:214
114091230,0ptp4l0-21swapper/420:00:154
114091230,0ptp4l0-21swapper/419:50:164
114091230,0ptp4l0-21swapper/419:40:164
114091230,0ptp4l0-21swapper/223:09:192
114091230,0ptp4l0-21swapper/223:09:192
114091230,0ptp4l0-21swapper/222:41:172
114091230,0ptp4l0-21swapper/222:10:182
114091230,0ptp4l0-21swapper/221:40:142
114091230,0ptp4l0-21swapper/221:25:122
114091230,0ptp4l0-21swapper/221:00:012
114091230,0ptp4l0-21swapper/220:45:132
114091230,0ptp4l0-21swapper/220:35:232
114091230,0ptp4l0-21swapper/200:19:472
114091230,0ptp4l0-21swapper/200:13:142
114091230,0ptp4l0-21swapper/123:55:121
114091230,0ptp4l0-21swapper/123:51:371
114091230,0ptp4l0-21swapper/123:05:121
114091230,0ptp4l0-21swapper/123:05:121
114091230,0ptp4l0-21swapper/123:00:111
114091230,0ptp4l0-21swapper/122:31:441
114091230,0ptp4l0-21swapper/122:25:411
114091230,0ptp4l0-21swapper/122:24:371
114091230,0ptp4l0-21swapper/122:05:141
114091230,0ptp4l0-21swapper/121:55:071
114091230,0ptp4l0-21swapper/121:41:521
114091230,0ptp4l0-21swapper/121:30:001
114091230,0ptp4l0-21swapper/121:05:121
114091230,0ptp4l0-21swapper/120:40:071
114091230,0ptp4l0-21swapper/120:30:101
114091230,0ptp4l0-21swapper/120:30:091
114091230,0ptp4l0-21swapper/119:55:191
114091230,0ptp4l0-21swapper/100:18:391
114091230,0ptp4l0-21swapper/100:10:151
114091230,0ptp4l0-21swapper/100:05:131
114091230,0ptp4l0-21swapper/023:25:210
114091230,0ptp4l0-21swapper/023:20:140
114091230,0ptp4l0-21swapper/022:55:130
114091230,0ptp4l0-21swapper/022:30:180
114091230,0ptp4l0-21swapper/022:15:160
114091230,0ptp4l0-21swapper/021:10:000
114091230,0ptp4l0-21swapper/020:40:070
114091230,0ptp4l0-21swapper/019:20:130
114091230,0ptp4l0-21swapper/019:15:130
114091230,0ptp4l0-21swapper/000:25:130
114091220,1ptp4l13125-21diskmemload23:43:584
114091220,0ptp4l0-21swapper/623:45:326
114091220,0ptp4l0-21swapper/623:18:586
114091220,0ptp4l0-21swapper/622:06:306
114091220,0ptp4l0-21swapper/621:33:026
114091220,0ptp4l0-21swapper/621:15:216
114091220,0ptp4l0-21swapper/600:21:436
114091220,0ptp4l0-21swapper/523:10:135
114091220,0ptp4l0-21swapper/520:40:165
114091220,0ptp4l0-21swapper/520:37:495
114091220,0ptp4l0-21swapper/519:45:115
114091220,0ptp4l0-21swapper/500:10:155
114091220,0ptp4l0-21swapper/500:05:015
114091220,0ptp4l0-21swapper/423:50:234
114091220,0ptp4l0-21swapper/423:38:594
114091220,0ptp4l0-21swapper/423:16:054
114091220,0ptp4l0-21swapper/423:05:584
114091220,0ptp4l0-21swapper/423:05:574
114091220,0ptp4l0-21swapper/423:02:024
114091220,0ptp4l0-21swapper/422:12:034
114091220,0ptp4l0-21swapper/421:28:524
114091220,0ptp4l0-21swapper/420:40:094
114091220,0ptp4l0-21swapper/420:17:554
114091220,0ptp4l0-21swapper/400:20:104
114091220,0ptp4l0-21swapper/400:07:204
114091220,0ptp4l0-21swapper/223:54:342
114091220,0ptp4l0-21swapper/223:45:192
114091220,0ptp4l0-21swapper/223:40:062
114091220,0ptp4l0-21swapper/223:19:232
114091220,0ptp4l0-21swapper/222:20:142
114091220,0ptp4l0-21swapper/222:05:592
114091220,0ptp4l0-21swapper/221:23:572
114091220,0ptp4l0-21swapper/219:17:532
114091220,0ptp4l0-21swapper/200:21:282
114091220,0ptp4l0-21swapper/123:42:531
114091220,0ptp4l0-21swapper/123:34:541
114091220,0ptp4l0-21swapper/123:22:281
114091220,0ptp4l0-21swapper/122:51:271
114091220,0ptp4l0-21swapper/121:00:591
114091220,0ptp4l0-21swapper/120:15:131
114091220,0ptp4l0-21swapper/120:10:131
114091220,0ptp4l0-21swapper/120:05:111
114091220,0ptp4l0-21swapper/119:45:111
114091220,0ptp4l0-21swapper/100:20:161
114091220,0ptp4l0-21swapper/023:56:020
114091220,0ptp4l0-21swapper/023:50:240
114091220,0ptp4l0-21swapper/023:47:530
114091220,0ptp4l0-21swapper/023:33:030
114091220,0ptp4l0-21swapper/023:09:460
114091220,0ptp4l0-21swapper/023:09:460
114091220,0ptp4l0-21swapper/022:45:170
114091220,0ptp4l0-21swapper/022:25:190
114091220,0ptp4l0-21swapper/022:24:070
114091220,0ptp4l0-21swapper/021:27:000
114091220,0ptp4l0-21swapper/021:20:280
114091220,0ptp4l0-21swapper/020:00:150
114091220,0ptp4l0-21swapper/000:34:530
114091220,0ptp4l0-21swapper/000:19:050
114091210,0ptp4l0-21swapper/623:54:396
114091210,0ptp4l0-21swapper/623:29:586
114091210,0ptp4l0-21swapper/622:42:256
114091210,0ptp4l0-21swapper/622:33:066
114091210,0ptp4l0-21swapper/622:16:256
114091210,0ptp4l0-21swapper/621:23:536
114091210,0ptp4l0-21swapper/620:15:176
114091210,0ptp4l0-21swapper/619:28:586
114091210,0ptp4l0-21swapper/600:11:406
114091210,0ptp4l0-21swapper/600:05:556
114091210,0ptp4l0-21swapper/523:31:135
114091210,0ptp4l0-21swapper/521:27:385
114091210,0ptp4l0-21swapper/520:29:385
114091210,0ptp4l0-21swapper/520:29:375
114091210,0ptp4l0-21swapper/423:46:054
114091210,0ptp4l0-21swapper/421:03:484
114091210,0ptp4l0-21swapper/419:45:164
114091210,0ptp4l0-21swapper/419:38:544
114091210,0ptp4l0-21swapper/419:26:374
114091210,0ptp4l0-21swapper/300:23:043
114091210,0ptp4l0-21swapper/222:32:392
114091210,0ptp4l0-21swapper/221:33:012
114091210,0ptp4l0-21swapper/221:07:272
114091210,0ptp4l0-21swapper/220:09:152
114091210,0ptp4l0-21swapper/120:46:141
114091210,0ptp4l0-21swapper/120:27:551
114091210,0ptp4l0-21swapper/120:27:551
114091210,0ptp4l0-21swapper/119:40:121
114091210,0ptp4l0-21swapper/119:32:531
114091210,0ptp4l0-21swapper/023:38:580
114091210,0ptp4l0-21swapper/022:36:200
114091210,0ptp4l0-21swapper/022:03:230
114091210,0ptp4l0-21swapper/021:02:190
114091200,0ptp4l0-21swapper/623:14:136
114091200,0ptp4l0-21swapper/621:54:066
114091200,0ptp4l0-21swapper/621:36:176
114091200,0ptp4l0-21swapper/621:07:006
114091200,0ptp4l0-21swapper/620:07:556
114091200,0ptp4l0-21swapper/619:55:576
114091200,0ptp4l0-21swapper/521:03:395
114091200,0ptp4l0-21swapper/519:33:545
114091200,0ptp4l0-21swapper/519:22:265
114091200,0ptp4l0-21swapper/422:59:044
114091200,0ptp4l0-21swapper/422:24:144
114091200,0ptp4l0-21swapper/421:08:494
114091200,0ptp4l0-21swapper/220:34:552
114091200,0ptp4l0-21swapper/220:34:552
114091200,0ptp4l0-21swapper/219:29:462
114091200,0ptp4l0-21swapper/120:37:391
114091200,0ptp4l0-21swapper/119:18:531
114091200,0ptp4l0-21swapper/020:50:280
114091200,0ptp4l0-21swapper/020:20:540
114091200,0ptp4l0-21swapper/019:32:180
114091190,2ptp4l0-21swapper/019:38:570
114091190,0ptp4l0-21swapper/700:23:037
114091190,0ptp4l0-21swapper/620:54:566
114091190,0ptp4l0-21swapper/519:18:475
114091190,0ptp4l0-21swapper/323:21:313
114091190,0ptp4l0-21swapper/223:29:572
114091190,0ptp4l0-21swapper/222:16:012
114091190,0ptp4l0-21swapper/221:54:032
114091190,0ptp4l0-21swapper/219:36:272
114091190,0ptp4l0-21swapper/120:58:411
114091190,0ptp4l0-21swapper/119:20:441
114091190,0ptp4l0-21swapper/020:13:060
114091190,0ptp4l0-21swapper/019:25:540
209962180,0sleep30-21swapper/322:50:163
114091180,0ptp4l0-21swapper/619:17:046
114091180,0ptp4l0-21swapper/600:02:256
114091180,0ptp4l0-21swapper/423:34:484
114091180,0ptp4l0-21swapper/220:51:582
114091180,0ptp4l0-21swapper/200:40:002
114091180,0ptp4l0-21swapper/200:02:162
114091170,0ptp4l0-21swapper/623:04:526
114091170,0ptp4l0-21swapper/520:58:345
114091170,0ptp4l0-21swapper/520:46:095
114091170,0ptp4l0-21swapper/219:59:552
114091170,0ptp4l0-21swapper/020:55:280
114091170,0ptp4l0-21swapper/019:11:290
114091160,0ptp4l0-21swapper/620:44:446
114091160,0ptp4l0-21swapper/600:39:596
114091160,0ptp4l0-21swapper/420:50:004
114091160,0ptp4l0-21swapper/420:20:544
114091160,0ptp4l0-21swapper/419:13:554
114091160,0ptp4l0-21swapper/219:41:092
114091160,0ptp4l0-21swapper/020:38:500
114091160,0ptp4l0-21swapper/020:15:390
114091160,0ptp4l0-21swapper/019:56:510
114091160,0ptp4l0-21swapper/019:52:320
114091150,0ptp4l0-21swapper/723:41:337
114091150,0ptp4l0-21swapper/723:21:317
114091150,0ptp4l0-21swapper/620:35:256
114091150,0ptp4l0-21swapper/620:34:016
114091150,0ptp4l0-21swapper/620:34:006
114091150,0ptp4l0-21swapper/620:26:066
114091150,0ptp4l0-21swapper/620:26:066
114091150,0ptp4l0-21swapper/620:22:396
114091150,0ptp4l0-21swapper/619:41:156
114091150,0ptp4l0-21swapper/619:35:356
114091150,0ptp4l0-21swapper/420:55:314
114091150,0ptp4l0-21swapper/420:53:064
114091150,0ptp4l0-21swapper/420:36:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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