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2026-08-29 - 13:30

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 Aug 29, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310672640,0sleep50-21swapper/519:15:015
111391640,3ptp4l27429-21unixbench_multi19:05:204
111391640,30ptp4l0-21swapper/019:07:500
111391620,5ptp4l0-21swapper/119:06:351
150862610,0sleep20-21swapper/223:23:132
2765025847,7sleep20-21swapper/219:07:142
2595525735,6sleep70-21swapper/719:05:037
2754525634,7sleep60-21swapper/619:05:506
1881915633,7phc2sys0-21swapper/519:06:125
2752525433,7sleep30-21swapper/319:05:383
111391330,3ptp4l0-21swapper/020:20:190
111391330,0ptp4l0-21swapper/500:04:535
111391330,0ptp4l0-21swapper/322:50:173
111391310,3ptp4l0-21swapper/323:28:153
111391310,0ptp4l0-21swapper/523:31:485
111391310,0ptp4l0-21swapper/521:30:065
111391310,0ptp4l0-21swapper/500:19:265
111391300,0ptp4l0-21swapper/722:14:247
111391300,0ptp4l0-21swapper/722:14:247
111391300,0ptp4l0-21swapper/323:37:103
111391300,0ptp4l0-21swapper/322:23:123
111391300,0ptp4l0-21swapper/121:22:301
111391300,0ptp4l0-21swapper/021:11:480
111391290,0ptp4l0-21swapper/700:33:387
111391290,0ptp4l0-21swapper/523:21:105
111391290,0ptp4l0-21swapper/522:38:285
111391290,0ptp4l0-21swapper/521:52:235
111391290,0ptp4l0-21swapper/323:11:333
111391290,0ptp4l0-21swapper/323:01:393
111391290,0ptp4l0-21swapper/300:10:133
111391290,0ptp4l0-21swapper/122:45:271
111391290,0ptp4l0-21swapper/121:51:121
111391290,0ptp4l0-21swapper/022:06:400
111391290,0ptp4l0-21swapper/021:41:080
111391280,2ptp4l561ktimersoftd/523:42:185
111391280,0ptp4l0-21swapper/723:41:317
111391280,0ptp4l0-21swapper/723:36:457
111391280,0ptp4l0-21swapper/723:05:387
111391280,0ptp4l0-21swapper/722:58:167
111391280,0ptp4l0-21swapper/722:18:527
111391280,0ptp4l0-21swapper/722:18:517
111391280,0ptp4l0-21swapper/622:02:126
111391280,0ptp4l0-21swapper/423:52:224
111391280,0ptp4l0-21swapper/400:07:364
111391280,0ptp4l0-21swapper/322:59:103
111391280,0ptp4l0-21swapper/322:03:483
111391280,0ptp4l0-21swapper/123:45:481
111391280,0ptp4l0-21swapper/121:55:351
111391280,0ptp4l0-21swapper/121:19:321
111391280,0ptp4l0-21swapper/100:36:591
111391270,0ptp4l18897-21diskmemload00:27:311
111391270,0ptp4l0-21swapper/722:20:517
111391270,0ptp4l0-21swapper/523:46:455
111391270,0ptp4l0-21swapper/522:54:105
111391270,0ptp4l0-21swapper/521:58:135
111391270,0ptp4l0-21swapper/422:37:014
111391270,0ptp4l0-21swapper/323:30:213
111391270,0ptp4l0-21swapper/321:37:243
111391270,0ptp4l0-21swapper/123:42:251
111391270,0ptp4l0-21swapper/122:31:531
111391270,0ptp4l0-21swapper/022:31:420
111391260,1ptp4l20434-21/usr/sbin/munin21:10:173
111391260,0ptp4l0-21swapper/722:07:287
111391260,0ptp4l0-21swapper/721:24:287
111391260,0ptp4l0-21swapper/720:41:097
111391260,0ptp4l0-21swapper/623:57:216
111391260,0ptp4l0-21swapper/322:39:373
111391260,0ptp4l0-21swapper/322:06:023
111391260,0ptp4l0-21swapper/321:27:233
111391260,0ptp4l0-21swapper/123:52:051
111391260,0ptp4l0-21swapper/122:52:091
111391260,0ptp4l0-21swapper/122:19:561
111391260,0ptp4l0-21swapper/122:19:561
111391260,0ptp4l0-21swapper/023:31:580
111391260,0ptp4l0-21swapper/021:55:060
111391260,0ptp4l0-21swapper/021:19:170
111391250,4ptp4l401ktimersoftd/321:45:303
111391250,1ptp4l3725-21df19:25:125
111391250,1ptp4l23271-21diskstats23:35:115
111391250,0ptp4l18897-21diskmemload00:25:385
111391250,0ptp4l0-21swapper/723:29:047
111391250,0ptp4l0-21swapper/723:15:017
111391250,0ptp4l0-21swapper/721:37:577
111391250,0ptp4l0-21swapper/700:10:367
111391250,0ptp4l0-21swapper/523:26:225
111391250,0ptp4l0-21swapper/523:19:175
111391250,0ptp4l0-21swapper/522:42:135
111391250,0ptp4l0-21swapper/522:33:565
111391250,0ptp4l0-21swapper/500:10:015
111391250,0ptp4l0-21swapper/321:21:273
111391250,0ptp4l0-21swapper/319:40:123
111391250,0ptp4l0-21swapper/123:17:351
111391250,0ptp4l0-21swapper/123:09:061
111391250,0ptp4l0-21swapper/122:37:431
111391250,0ptp4l0-21swapper/119:20:191
111391250,0ptp4l0-21swapper/023:40:130
111391250,0ptp4l0-21swapper/023:25:030
111391250,0ptp4l0-21swapper/022:55:500
111391250,0ptp4l0-21swapper/022:17:190
111391250,0ptp4l0-21swapper/022:17:190
111391250,0ptp4l0-21swapper/021:39:260
111391250,0ptp4l0-21swapper/000:05:080
111391240,7ptp4l0-21swapper/520:53:395
111391240,2ptp4l18897-21diskmemload00:15:150
111391240,1ptp4l8441-21irqstats20:45:141
111391240,1ptp4l8064-21df20:45:105
111391240,1ptp4l3769-21awk21:33:511
111391240,1ptp4l2987-21kernelversion23:05:164
111391240,1ptp4l2884-21ls20:35:005
111391240,1ptp4l2816499cyclictest19:50:185
111391240,1ptp4l18899-21df_inode21:55:114
111391240,1ptp4l18453-21date21:55:000
111391240,1ptp4l1196-21/usr/sbin/munin20:30:121
111391240,1ptp4l101ktimersoftd/022:29:430
111391240,0ptp4l0-21swapper/723:30:147
111391240,0ptp4l0-21swapper/723:10:127
111391240,0ptp4l0-21swapper/723:00:327
111391240,0ptp4l0-21swapper/721:14:287
111391240,0ptp4l0-21swapper/719:15:157
111391240,0ptp4l0-21swapper/621:59:436
111391240,0ptp4l0-21swapper/619:35:126
111391240,0ptp4l0-21swapper/619:35:126
111391240,0ptp4l0-21swapper/523:55:175
111391240,0ptp4l0-21swapper/523:51:315
111391240,0ptp4l0-21swapper/522:16:395
111391240,0ptp4l0-21swapper/522:16:385
111391240,0ptp4l0-21swapper/522:03:045
111391240,0ptp4l0-21swapper/521:22:575
111391240,0ptp4l0-21swapper/519:38:545
111391240,0ptp4l0-21swapper/519:38:535
111391240,0ptp4l0-21swapper/500:35:155
111391240,0ptp4l0-21swapper/500:34:025
111391240,0ptp4l0-21swapper/500:07:545
111391240,0ptp4l0-21swapper/422:55:174
111391240,0ptp4l0-21swapper/420:05:114
111391240,0ptp4l0-21swapper/219:35:202
111391240,0ptp4l0-21swapper/219:35:192
111391240,0ptp4l0-21swapper/123:11:111
111391240,0ptp4l0-21swapper/122:43:171
111391240,0ptp4l0-21swapper/120:52:111
111391240,0ptp4l0-21swapper/120:26:001
111391240,0ptp4l0-21swapper/120:23:431
111391240,0ptp4l0-21swapper/119:37:221
111391240,0ptp4l0-21swapper/119:37:221
111391240,0ptp4l0-21swapper/100:04:161
111391240,0ptp4l0-21swapper/023:54:320
111391240,0ptp4l0-21swapper/020:55:230
111391240,0ptp4l0-21swapper/020:15:200
111391240,0ptp4l0-21swapper/019:15:000
111391230,2ptp4l18897-21diskmemload22:49:050
111391230,1ptp4l12682-21grep23:20:124
111391230,0ptp4l24841-21/usr/sbin/munin00:25:124
111391230,0ptp4l11255-21netstat19:40:157
111391230,0ptp4l0-21swapper/723:56:187
111391230,0ptp4l0-21swapper/722:50:177
111391230,0ptp4l0-21swapper/722:40:137
111391230,0ptp4l0-21swapper/722:35:117
111391230,0ptp4l0-21swapper/722:03:597
111391230,0ptp4l0-21swapper/721:59:117
111391230,0ptp4l0-21swapper/721:50:127
111391230,0ptp4l0-21swapper/721:49:387
111391230,0ptp4l0-21swapper/720:00:307
111391230,0ptp4l0-21swapper/700:35:207
111391230,0ptp4l0-21swapper/700:20:127
111391230,0ptp4l0-21swapper/623:35:196
111391230,0ptp4l0-21swapper/622:55:136
111391230,0ptp4l0-21swapper/622:53:496
111391230,0ptp4l0-21swapper/620:20:156
111391230,0ptp4l0-21swapper/523:12:105
111391230,0ptp4l0-21swapper/522:55:205
111391230,0ptp4l0-21swapper/522:46:105
111391230,0ptp4l0-21swapper/522:24:365
111391230,0ptp4l0-21swapper/521:25:205
111391230,0ptp4l0-21swapper/521:15:105
111391230,0ptp4l0-21swapper/520:55:545
111391230,0ptp4l0-21swapper/520:40:005
111391230,0ptp4l0-21swapper/520:25:195
111391230,0ptp4l0-21swapper/520:14:255
111391230,0ptp4l0-21swapper/520:05:485
111391230,0ptp4l0-21swapper/519:45:495
111391230,0ptp4l0-21swapper/519:44:585
111391230,0ptp4l0-21swapper/519:32:235
111391230,0ptp4l0-21swapper/519:32:225
111391230,0ptp4l0-21swapper/519:10:485
111391230,0ptp4l0-21swapper/423:40:114
111391230,0ptp4l0-21swapper/423:29:364
111391230,0ptp4l0-21swapper/423:19:064
111391230,0ptp4l0-21swapper/422:50:334
111391230,0ptp4l0-21swapper/422:30:154
111391230,0ptp4l0-21swapper/421:40:194
111391230,0ptp4l0-21swapper/421:25:134
111391230,0ptp4l0-21swapper/420:40:304
111391230,0ptp4l0-21swapper/419:45:134
111391230,0ptp4l0-21swapper/419:10:174
111391230,0ptp4l0-21swapper/400:35:184
111391230,0ptp4l0-21swapper/400:19:484
111391230,0ptp4l0-21swapper/323:15:123
111391230,0ptp4l0-21swapper/322:15:133
111391230,0ptp4l0-21swapper/322:15:133
111391230,0ptp4l0-21swapper/321:50:143
111391230,0ptp4l0-21swapper/320:32:363
111391230,0ptp4l0-21swapper/320:00:203
111391230,0ptp4l0-21swapper/319:55:193
111391230,0ptp4l0-21swapper/319:48:003
111391230,0ptp4l0-21swapper/319:15:163
111391230,0ptp4l0-21swapper/300:30:153
111391230,0ptp4l0-21swapper/300:06:113
111391230,0ptp4l0-21swapper/220:20:122
111391230,0ptp4l0-21swapper/220:10:182
111391230,0ptp4l0-21swapper/123:55:171
111391230,0ptp4l0-21swapper/123:32:261
111391230,0ptp4l0-21swapper/122:55:191
111391230,0ptp4l0-21swapper/121:25:201
111391230,0ptp4l0-21swapper/121:00:121
111391230,0ptp4l0-21swapper/120:40:001
111391230,0ptp4l0-21swapper/120:11:081
111391230,0ptp4l0-21swapper/120:06:411
111391230,0ptp4l0-21swapper/119:55:131
111391230,0ptp4l0-21swapper/119:50:181
111391230,0ptp4l0-21swapper/119:45:121
111391230,0ptp4l0-21swapper/119:25:321
111391230,0ptp4l0-21swapper/100:19:421
111391230,0ptp4l0-21swapper/100:05:181
111391230,0ptp4l0-21swapper/023:39:370
111391230,0ptp4l0-21swapper/023:05:010
111391230,0ptp4l0-21swapper/022:52:480
111391230,0ptp4l0-21swapper/022:02:400
111391230,0ptp4l0-21swapper/021:25:120
111391230,0ptp4l0-21swapper/020:10:160
111391230,0ptp4l0-21swapper/019:55:140
111391230,0ptp4l0-21swapper/019:45:120
111391230,0ptp4l0-21swapper/019:15:100
111391230,0ptp4l0-21swapper/000:35:160
111391220,2ptp4l0-21swapper/519:57:065
111391220,1ptp4l21223-21sshd20:02:281
111391220,0ptp4l18897-21diskmemload23:19:080
111391220,0ptp4l0-21swapper/723:52:327
111391220,0ptp4l0-21swapper/723:24:307
111391220,0ptp4l0-21swapper/722:49:527
111391220,0ptp4l0-21swapper/722:34:387
111391220,0ptp4l0-21swapper/722:28:087
111391220,0ptp4l0-21swapper/721:42:347
111391220,0ptp4l0-21swapper/721:25:007
111391220,0ptp4l0-21swapper/720:47:267
111391220,0ptp4l0-21swapper/720:31:337
111391220,0ptp4l0-21swapper/700:29:547
111391220,0ptp4l0-21swapper/621:47:096
111391220,0ptp4l0-21swapper/600:15:186
111391220,0ptp4l0-21swapper/600:00:586
111391220,0ptp4l0-21swapper/522:25:125
111391220,0ptp4l0-21swapper/521:46:545
111391220,0ptp4l0-21swapper/521:40:115
111391220,0ptp4l0-21swapper/521:35:155
111391220,0ptp4l0-21swapper/521:05:185
111391220,0ptp4l0-21swapper/519:20:135
111391220,0ptp4l0-21swapper/500:21:145
111391220,0ptp4l0-21swapper/423:32:334
111391220,0ptp4l0-21swapper/422:47:404
111391220,0ptp4l0-21swapper/422:20:194
111391220,0ptp4l0-21swapper/422:17:304
111391220,0ptp4l0-21swapper/422:17:304
111391220,0ptp4l0-21swapper/422:10:134
111391220,0ptp4l0-21swapper/422:10:134
111391220,0ptp4l0-21swapper/422:07:444
111391220,0ptp4l0-21swapper/421:52:444
111391220,0ptp4l0-21swapper/421:47:394
111391220,0ptp4l0-21swapper/421:38:134
111391220,0ptp4l0-21swapper/421:33:404
111391220,0ptp4l0-21swapper/421:22:424
111391220,0ptp4l0-21swapper/421:15:104
111391220,0ptp4l0-21swapper/421:00:184
111391220,0ptp4l0-21swapper/420:55:254
111391220,0ptp4l0-21swapper/420:50:204
111391220,0ptp4l0-21swapper/420:15:194
111391220,0ptp4l0-21swapper/419:55:014
111391220,0ptp4l0-21swapper/419:36:294
111391220,0ptp4l0-21swapper/419:36:294
111391220,0ptp4l0-21swapper/400:21:424
111391220,0ptp4l0-21swapper/322:47:283
111391220,0ptp4l0-21swapper/322:40:123
111391220,0ptp4l0-21swapper/322:27:003
111391220,0ptp4l0-21swapper/322:11:263
111391220,0ptp4l0-21swapper/322:11:263
111391220,0ptp4l0-21swapper/321:44:403
111391220,0ptp4l0-21swapper/300:38:383
111391220,0ptp4l0-21swapper/300:29:043
111391220,0ptp4l0-21swapper/300:20:193
111391220,0ptp4l0-21swapper/223:51:472
111391220,0ptp4l0-21swapper/223:19:592
111391220,0ptp4l0-21swapper/222:56:182
111391220,0ptp4l0-21swapper/222:10:192
111391220,0ptp4l0-21swapper/222:10:192
111391220,0ptp4l0-21swapper/221:17:062
111391220,0ptp4l0-21swapper/200:15:202
111391220,0ptp4l0-21swapper/123:35:121
111391220,0ptp4l0-21swapper/123:25:151
111391220,0ptp4l0-21swapper/123:20:171
111391220,0ptp4l0-21swapper/122:00:011
111391220,0ptp4l0-21swapper/121:40:131
111391220,0ptp4l0-21swapper/121:35:121
111391220,0ptp4l0-21swapper/120:40:141
111391220,0ptp4l0-21swapper/119:30:131
111391220,0ptp4l0-21swapper/119:30:131
111391220,0ptp4l0-21swapper/100:32:541
111391220,0ptp4l0-21swapper/100:14:281
111391220,0ptp4l0-21swapper/023:20:130
111391220,0ptp4l0-21swapper/023:05:130
111391220,0ptp4l0-21swapper/022:38:480
111391220,0ptp4l0-21swapper/022:10:120
111391220,0ptp4l0-21swapper/022:10:110
111391220,0ptp4l0-21swapper/021:47:320
111391220,0ptp4l0-21swapper/021:33:370
111391220,0ptp4l0-21swapper/021:20:340
111391220,0ptp4l0-21swapper/020:50:180
111391220,0ptp4l0-21swapper/020:49:250
111391220,0ptp4l0-21swapper/020:40:290
111391220,0ptp4l0-21swapper/020:25:140
111391220,0ptp4l0-21swapper/020:00:010
111391220,0ptp4l0-21swapper/019:50:150
111391220,0ptp4l0-21swapper/019:28:370
111391220,0ptp4l0-21swapper/000:31:160
111391210,0ptp4l0-21swapper/723:47:127
111391210,0ptp4l0-21swapper/623:34:086
111391210,0ptp4l0-21swapper/623:15:446
111391210,0ptp4l0-21swapper/622:42:316
111391210,0ptp4l0-21swapper/622:25:456
111391210,0ptp4l0-21swapper/622:13:526
111391210,0ptp4l0-21swapper/622:13:526
111391210,0ptp4l0-21swapper/622:08:456
111391210,0ptp4l0-21swapper/621:41:306
111391210,0ptp4l0-21swapper/620:59:506
111391210,0ptp4l0-21swapper/523:06:245
111391210,0ptp4l0-21swapper/521:00:115
111391210,0ptp4l0-21swapper/520:22:275
111391210,0ptp4l0-21swapper/423:56:524
111391210,0ptp4l0-21swapper/423:46:034
111391210,0ptp4l0-21swapper/422:25:214
111391210,0ptp4l0-21swapper/422:02:074
111391210,0ptp4l0-21swapper/421:11:494
111391210,0ptp4l0-21swapper/420:35:194
111391210,0ptp4l0-21swapper/420:25:144
111391210,0ptp4l0-21swapper/400:14:544
111391210,0ptp4l0-21swapper/323:55:543
111391210,0ptp4l0-21swapper/323:52:573
111391210,0ptp4l0-21swapper/323:47:483
111391210,0ptp4l0-21swapper/321:09:503
111391210,0ptp4l0-21swapper/320:41:373
111391210,0ptp4l0-21swapper/223:11:132
111391210,0ptp4l0-21swapper/222:37:262
111391210,0ptp4l0-21swapper/221:39:102
111391210,0ptp4l0-21swapper/221:26:222
111391210,0ptp4l0-21swapper/221:20:522
111391210,0ptp4l0-21swapper/200:36:002
111391210,0ptp4l0-21swapper/122:25:151
111391210,0ptp4l0-21swapper/122:24:351
111391210,0ptp4l0-21swapper/122:13:161
111391210,0ptp4l0-21swapper/122:13:161
111391210,0ptp4l0-21swapper/122:09:341
111391210,0ptp4l0-21swapper/121:46:121
111391210,0ptp4l0-21swapper/121:05:121
111391210,0ptp4l0-21swapper/119:44:161
111391210,0ptp4l0-21swapper/119:12:281
111391210,0ptp4l0-21swapper/100:22:181
111391210,0ptp4l0-21swapper/023:49:120
111391210,0ptp4l0-21swapper/022:42:480
111391210,0ptp4l0-21swapper/022:23:400
111391210,0ptp4l0-21swapper/020:35:130
111391210,0ptp4l0-21swapper/020:05:170
111391210,0ptp4l0-21swapper/000:25:130
111391210,0ptp4l0-21swapper/000:21:440
111391210,0ptp4l0-21swapper/000:11:580
111391200,0ptp4l49-21ksoftirqd/422:43:344
111391200,0ptp4l0-21swapper/700:19:537
111391200,0ptp4l0-21swapper/622:24:536
111391200,0ptp4l0-21swapper/621:38:346
111391200,0ptp4l0-21swapper/621:26:216
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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