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2026-09-02 - 12:06

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 Wed Sep 02, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,32ptp4l0-21swapper/019:05:160
218072630,0sleep30-21swapper/319:14:593
323852600,0sleep2311rcuc/223:12:572
282242590,0sleep20-21swapper/221:35:002
111391590,5ptp4l0-21swapper/419:05:334
1886925736,6sleep20-21swapper/219:06:512
111391570,11ptp4l0-21swapper/519:05:135
1895625646,6sleep70-21swapper/719:08:007
17662560,0sleep50-21swapper/523:15:165
1910524937,7sleep10-21swapper/119:09:541
1895524735,7sleep60-21swapper/619:07:596
1883324735,7sleep30-21swapper/319:06:283
126042460,0sleep20-21swapper/222:45:092
126042460,0sleep20-21swapper/222:45:092
111391330,0ptp4l0-21swapper/300:36:113
111391310,2ptp4l0-21swapper/300:25:113
111391310,0ptp4l0-21swapper/500:12:475
111391310,0ptp4l0-21swapper/400:31:144
111391300,0ptp4l0-21swapper/022:05:160
111391300,0ptp4l0-21swapper/019:25:140
111391290,1ptp4l9755-21irqstats22:40:155
111391290,0ptp4l0-21swapper/721:24:007
111391290,0ptp4l0-21swapper/523:51:005
111391290,0ptp4l0-21swapper/422:23:354
111391290,0ptp4l0-21swapper/200:01:232
111391290,0ptp4l0-21swapper/022:39:050
111391290,0ptp4l0-21swapper/021:36:300
111391290,0ptp4l0-21swapper/021:28:330
111391290,0ptp4l0-21swapper/000:13:270
111391280,3ptp4l0-21swapper/422:53:544
111391280,3ptp4l0-21swapper/422:07:404
111391280,2ptp4l0-21swapper/019:45:110
111391280,0ptp4l10144-21diskmemload21:15:070
111391280,0ptp4l0-21swapper/723:18:007
111391280,0ptp4l0-21swapper/722:51:507
111391280,0ptp4l0-21swapper/521:31:195
111391280,0ptp4l0-21swapper/423:37:074
111391280,0ptp4l0-21swapper/420:50:184
111391280,0ptp4l0-21swapper/023:19:150
111391280,0ptp4l0-21swapper/022:24:360
111391280,0ptp4l0-21swapper/022:10:370
111391280,0ptp4l0-21swapper/000:22:380
111391270,0ptp4l0-21swapper/721:42:497
111391270,0ptp4l0-21swapper/500:34:295
111391270,0ptp4l0-21swapper/023:24:310
111391270,0ptp4l0-21swapper/022:44:520
111391270,0ptp4l0-21swapper/000:15:220
111391260,0ptp4l0-21swapper/423:24:544
111391260,0ptp4l0-21swapper/423:03:594
111391260,0ptp4l0-21swapper/421:20:004
111391260,0ptp4l0-21swapper/421:00:204
111391260,0ptp4l0-21swapper/400:20:114
111391260,0ptp4l0-21swapper/320:21:383
111391260,0ptp4l0-21swapper/123:09:261
111391260,0ptp4l0-21swapper/023:51:420
111391260,0ptp4l0-21swapper/023:34:040
111391260,0ptp4l0-21swapper/022:26:570
111391260,0ptp4l0-21swapper/021:59:530
111391250,3ptp4l321ktimersoftd/200:14:302
111391250,1ptp4l1939099cyclictest23:43:234
111391250,0ptp4l0-21swapper/500:23:165
111391250,0ptp4l0-21swapper/500:17:035
111391250,0ptp4l0-21swapper/423:29:244
111391250,0ptp4l0-21swapper/422:30:144
111391250,0ptp4l0-21swapper/422:25:144
111391250,0ptp4l0-21swapper/422:03:384
111391250,0ptp4l0-21swapper/421:30:114
111391250,0ptp4l0-21swapper/421:26:234
111391250,0ptp4l0-21swapper/420:20:004
111391250,0ptp4l0-21swapper/419:45:164
111391250,0ptp4l0-21swapper/400:26:364
111391250,0ptp4l0-21swapper/323:42:223
111391250,0ptp4l0-21swapper/122:55:111
111391250,0ptp4l0-21swapper/121:29:331
111391250,0ptp4l0-21swapper/119:35:201
111391250,0ptp4l0-21swapper/023:47:240
111391250,0ptp4l0-21swapper/023:13:080
111391250,0ptp4l0-21swapper/022:33:050
111391250,0ptp4l0-21swapper/021:09:430
111391250,0ptp4l0-21swapper/019:40:150
111391250,0ptp4l0-21swapper/019:15:130
111391250,0ptp4l0-21swapper/000:28:070
111391250,0ptp4l0-21swapper/000:04:470
111391240,1ptp4l32270-21missed_timers20:45:185
111391240,1ptp4l28787-21fw_conntrack21:35:115
111391240,1ptp4l22229-21/usr/sbin/munin20:25:180
111391240,1ptp4l20782-21fw_conntrack00:30:130
111391240,1ptp4l18248-21timerandwakeup00:25:197
111391240,1ptp4l16571-21users23:35:205
111391240,1ptp4l11184-21irqrtprio21:10:140
111391240,0ptp4l0-21swapper/700:35:587
111391240,0ptp4l0-21swapper/523:06:365
111391240,0ptp4l0-21swapper/522:00:215
111391240,0ptp4l0-21swapper/519:20:135
111391240,0ptp4l0-21swapper/500:05:225
111391240,0ptp4l0-21swapper/423:57:394
111391240,0ptp4l0-21swapper/422:45:174
111391240,0ptp4l0-21swapper/422:45:174
111391240,0ptp4l0-21swapper/422:15:154
111391240,0ptp4l0-21swapper/422:10:164
111391240,0ptp4l0-21swapper/421:10:004
111391240,0ptp4l0-21swapper/400:39:584
111391240,0ptp4l0-21swapper/400:20:004
111391240,0ptp4l0-21swapper/123:20:111
111391240,0ptp4l0-21swapper/122:50:001
111391240,0ptp4l0-21swapper/122:50:001
111391240,0ptp4l0-21swapper/121:19:431
111391240,0ptp4l0-21swapper/121:10:101
111391240,0ptp4l0-21swapper/023:40:120
111391240,0ptp4l0-21swapper/023:36:090
111391240,0ptp4l0-21swapper/021:30:190
111391240,0ptp4l0-21swapper/020:30:170
111391230,1ptp4l27101-21fw_forwarded_lo20:35:124
111391230,1ptp4l25627-21smart_sda20:30:214
111391230,1ptp4l20865-21runrttasks22:10:131
111391230,1ptp4l15388-21/usr/sbin/munin23:35:131
111391230,1ptp4l1064-21/usr/sbin/munin23:15:174
111391230,1ptp4l10144-21diskmemload23:15:531
111391230,0ptp4l15018-21sed20:10:005
111391230,0ptp4l15018-21sed20:10:005
111391230,0ptp4l0-21swapper/621:55:176
111391230,0ptp4l0-21swapper/600:01:266
111391230,0ptp4l0-21swapper/523:55:145
111391230,0ptp4l0-21swapper/523:20:445
111391230,0ptp4l0-21swapper/522:55:165
111391230,0ptp4l0-21swapper/522:49:255
111391230,0ptp4l0-21swapper/522:49:255
111391230,0ptp4l0-21swapper/522:20:145
111391230,0ptp4l0-21swapper/521:20:195
111391230,0ptp4l0-21swapper/521:16:005
111391230,0ptp4l0-21swapper/521:10:115
111391230,0ptp4l0-21swapper/521:00:015
111391230,0ptp4l0-21swapper/520:50:275
111391230,0ptp4l0-21swapper/520:00:145
111391230,0ptp4l0-21swapper/500:01:015
111391230,0ptp4l0-21swapper/423:45:164
111391230,0ptp4l0-21swapper/423:30:224
111391230,0ptp4l0-21swapper/421:50:214
111391230,0ptp4l0-21swapper/421:49:594
111391230,0ptp4l0-21swapper/421:10:184
111391230,0ptp4l0-21swapper/420:25:144
111391230,0ptp4l0-21swapper/420:25:004
111391230,0ptp4l0-21swapper/420:05:184
111391230,0ptp4l0-21swapper/420:05:184
111391230,0ptp4l0-21swapper/419:40:194
111391230,0ptp4l0-21swapper/419:30:214
111391230,0ptp4l0-21swapper/419:15:164
111391230,0ptp4l0-21swapper/400:05:004
111391230,0ptp4l0-21swapper/400:00:214
111391230,0ptp4l0-21swapper/321:45:133
111391230,0ptp4l0-21swapper/320:40:183
111391230,0ptp4l0-21swapper/219:20:202
111391230,0ptp4l0-21swapper/123:55:131
111391230,0ptp4l0-21swapper/123:50:151
111391230,0ptp4l0-21swapper/123:40:321
111391230,0ptp4l0-21swapper/122:40:121
111391230,0ptp4l0-21swapper/122:35:191
111391230,0ptp4l0-21swapper/122:31:331
111391230,0ptp4l0-21swapper/122:20:121
111391230,0ptp4l0-21swapper/122:04:541
111391230,0ptp4l0-21swapper/122:00:001
111391230,0ptp4l0-21swapper/121:20:101
111391230,0ptp4l0-21swapper/121:05:141
111391230,0ptp4l0-21swapper/120:00:201
111391230,0ptp4l0-21swapper/119:20:131
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/023:10:010
111391230,0ptp4l0-21swapper/022:50:440
111391230,0ptp4l0-21swapper/021:50:170
111391230,0ptp4l0-21swapper/021:40:200
111391230,0ptp4l0-21swapper/021:24:590
111391230,0ptp4l0-21swapper/020:20:130
111391230,0ptp4l0-21swapper/020:05:200
111391230,0ptp4l0-21swapper/020:05:190
111391230,0ptp4l0-21swapper/020:05:010
111391230,0ptp4l0-21swapper/019:50:130
111391230,0ptp4l0-21swapper/019:30:210
111391220,2ptp4l31898-21ssh23:59:280
111391220,1ptp4l4189-21ps00:05:160
111391220,0ptp4l57-21ksoftirqd/521:00:115
111391220,0ptp4l0-21swapper/723:42:407
111391220,0ptp4l0-21swapper/721:45:177
111391220,0ptp4l0-21swapper/720:40:167
111391220,0ptp4l0-21swapper/620:49:396
111391220,0ptp4l0-21swapper/619:20:216
111391220,0ptp4l0-21swapper/523:13:595
111391220,0ptp4l0-21swapper/523:00:025
111391220,0ptp4l0-21swapper/522:51:025
111391220,0ptp4l0-21swapper/522:35:185
111391220,0ptp4l0-21swapper/522:17:065
111391220,0ptp4l0-21swapper/522:08:225
111391220,0ptp4l0-21swapper/521:05:155
111391220,0ptp4l0-21swapper/520:39:565
111391220,0ptp4l0-21swapper/520:10:175
111391220,0ptp4l0-21swapper/519:35:125
111391220,0ptp4l0-21swapper/519:35:005
111391220,0ptp4l0-21swapper/500:37:575
111391220,0ptp4l0-21swapper/423:51:164
111391220,0ptp4l0-21swapper/423:10:144
111391220,0ptp4l0-21swapper/423:05:144
111391220,0ptp4l0-21swapper/422:43:224
111391220,0ptp4l0-21swapper/422:37:124
111391220,0ptp4l0-21swapper/421:55:544
111391220,0ptp4l0-21swapper/421:40:004
111391220,0ptp4l0-21swapper/421:36:184
111391220,0ptp4l0-21swapper/421:20:444
111391220,0ptp4l0-21swapper/419:55:174
111391220,0ptp4l0-21swapper/419:50:164
111391220,0ptp4l0-21swapper/419:25:194
111391220,0ptp4l0-21swapper/419:10:174
111391220,0ptp4l0-21swapper/400:10:154
111391220,0ptp4l0-21swapper/321:59:203
111391220,0ptp4l0-21swapper/321:42:453
111391220,0ptp4l0-21swapper/223:00:542
111391220,0ptp4l0-21swapper/222:15:042
111391220,0ptp4l0-21swapper/221:10:002
111391220,0ptp4l0-21swapper/123:31:041
111391220,0ptp4l0-21swapper/123:28:461
111391220,0ptp4l0-21swapper/123:00:161
111391220,0ptp4l0-21swapper/122:18:441
111391220,0ptp4l0-21swapper/122:08:261
111391220,0ptp4l0-21swapper/121:35:131
111391220,0ptp4l0-21swapper/121:31:141
111391220,0ptp4l0-21swapper/120:45:151
111391220,0ptp4l0-21swapper/120:10:161
111391220,0ptp4l0-21swapper/119:40:111
111391220,0ptp4l0-21swapper/100:26:541
111391220,0ptp4l0-21swapper/100:21:171
111391220,0ptp4l0-21swapper/100:17:201
111391220,0ptp4l0-21swapper/100:12:021
111391220,0ptp4l0-21swapper/100:05:131
111391220,0ptp4l0-21swapper/023:02:370
111391220,0ptp4l0-21swapper/022:57:380
111391220,0ptp4l0-21swapper/022:45:230
111391220,0ptp4l0-21swapper/022:45:230
111391220,0ptp4l0-21swapper/022:15:200
111391220,0ptp4l0-21swapper/021:48:430
111391220,0ptp4l0-21swapper/021:00:190
111391220,0ptp4l0-21swapper/020:55:170
111391220,0ptp4l0-21swapper/020:50:170
111391220,0ptp4l0-21swapper/020:41:080
111391220,0ptp4l0-21swapper/020:35:140
111391220,0ptp4l0-21swapper/019:55:200
111391220,0ptp4l0-21swapper/019:10:140
111391220,0ptp4l0-21swapper/000:39:560
111391210,3ptp4l401ktimersoftd/300:04:193
111391210,3ptp4l0-21swapper/419:37:434
111391210,1ptp4l9723-21sshd23:25:265
111391210,0ptp4l0-21swapper/722:32:407
111391210,0ptp4l0-21swapper/721:58:487
111391210,0ptp4l0-21swapper/700:24:507
111391210,0ptp4l0-21swapper/700:04:287
111391210,0ptp4l0-21swapper/623:34:306
111391210,0ptp4l0-21swapper/622:12:416
111391210,0ptp4l0-21swapper/523:43:305
111391210,0ptp4l0-21swapper/523:34:225
111391210,0ptp4l0-21swapper/522:31:525
111391210,0ptp4l0-21swapper/522:26:125
111391210,0ptp4l0-21swapper/522:10:135
111391210,0ptp4l0-21swapper/521:58:155
111391210,0ptp4l0-21swapper/521:51:305
111391210,0ptp4l0-21swapper/521:47:065
111391210,0ptp4l0-21swapper/521:28:465
111391210,0ptp4l0-21swapper/519:50:495
111391210,0ptp4l0-21swapper/519:40:105
111391210,0ptp4l0-21swapper/519:28:135
111391210,0ptp4l0-21swapper/500:27:525
111391210,0ptp4l0-21swapper/422:57:464
111391210,0ptp4l0-21swapper/420:55:164
111391210,0ptp4l0-21swapper/420:40:514
111391210,0ptp4l0-21swapper/322:51:203
111391210,0ptp4l0-21swapper/321:07:153
111391210,0ptp4l0-21swapper/223:34:262
111391210,0ptp4l0-21swapper/222:44:322
111391210,0ptp4l0-21swapper/222:28:252
111391210,0ptp4l0-21swapper/222:11:162
111391210,0ptp4l0-21swapper/221:55:212
111391210,0ptp4l0-21swapper/221:27:512
111391210,0ptp4l0-21swapper/220:03:072
111391210,0ptp4l0-21swapper/123:46:001
111391210,0ptp4l0-21swapper/121:45:361
111391210,0ptp4l0-21swapper/121:00:141
111391210,0ptp4l0-21swapper/120:07:371
111391210,0ptp4l0-21swapper/120:07:371
111391210,0ptp4l0-21swapper/100:37:331
111391210,0ptp4l0-21swapper/100:33:361
111391210,0ptp4l0-21swapper/100:04:101
111391210,0ptp4l0-21swapper/022:02:300
111391210,0ptp4l0-21swapper/020:15:140
111391200,0ptp4l0-21swapper/723:21:437
111391200,0ptp4l0-21swapper/722:28:017
111391200,0ptp4l0-21swapper/623:18:576
111391200,0ptp4l0-21swapper/623:13:146
111391200,0ptp4l0-21swapper/623:00:556
111391200,0ptp4l0-21swapper/622:28:126
111391200,0ptp4l0-21swapper/523:45:445
111391200,0ptp4l0-21swapper/521:42:185
111391200,0ptp4l0-21swapper/520:28:195
111391200,0ptp4l0-21swapper/520:24:075
111391200,0ptp4l0-21swapper/419:21:284
111391200,0ptp4l0-21swapper/323:56:093
111391200,0ptp4l0-21swapper/323:21:123
111391200,0ptp4l0-21swapper/323:17:573
111391200,0ptp4l0-21swapper/322:32:413
111391200,0ptp4l0-21swapper/322:17:303
111391200,0ptp4l0-21swapper/321:23:353
111391200,0ptp4l0-21swapper/319:42:153
111391200,0ptp4l0-21swapper/122:25:381
111391200,0ptp4l0-21swapper/121:51:361
111391200,0ptp4l0-21swapper/121:44:361
111391200,0ptp4l0-21swapper/120:58:211
111391200,0ptp4l0-21swapper/119:26:311
111391200,0ptp4l0-21swapper/119:15:301
111391200,0ptp4l0-21swapper/019:38:440
111391200,0ptp4l0-21swapper/019:20:590
111391190,1ptp4l10144-21diskmemload22:17:297
111391190,0ptp4l0-21swapper/721:06:517
111391190,0ptp4l0-21swapper/700:34:547
111391190,0ptp4l0-21swapper/621:09:086
111391190,0ptp4l0-21swapper/600:14:386
111391190,0ptp4l0-21swapper/520:16:135
111391190,0ptp4l0-21swapper/420:02:424
111391190,0ptp4l0-21swapper/320:08:263
111391190,0ptp4l0-21swapper/320:08:253
111391190,0ptp4l0-21swapper/300:24:493
111391190,0ptp4l0-21swapper/123:13:591
111391190,0ptp4l0-21swapper/122:54:361
111391190,0ptp4l0-21swapper/120:28:411
111391190,0ptp4l0-21swapper/119:34:261
111391190,0ptp4l0-21swapper/020:46:130
111391190,0ptp4l0-21swapper/020:14:290
111391180,0ptp4l0-21swapper/723:56:117
111391180,0ptp4l0-21swapper/621:30:486
111391180,0ptp4l0-21swapper/621:10:076
111391180,0ptp4l0-21swapper/420:14:224
111391180,0ptp4l0-21swapper/220:09:422
111391180,0ptp4l0-21swapper/220:09:422
111391180,0ptp4l0-21swapper/219:33:412
111391180,0ptp4l0-21swapper/120:24:421
111391170,0ptp4l0-21swapper/621:27:566
111391170,0ptp4l0-21swapper/519:18:285
111391170,0ptp4l0-21swapper/322:28:023
111391170,0ptp4l0-21swapper/300:34:533
111391170,0ptp4l0-21swapper/223:18:562
111391170,0ptp4l0-21swapper/200:07:462
111391160,0ptp4l0-21swapper/723:33:307
111391160,0ptp4l0-21swapper/622:44:346
111391160,0ptp4l0-21swapper/620:01:006
111391160,0ptp4l0-21swapper/420:46:334
111391160,0ptp4l0-21swapper/220:49:282
111391160,0ptp4l0-21swapper/120:50:511
111391160,0ptp4l0-21swapper/120:42:011
111391160,0ptp4l0-21swapper/120:39:201
111391160,0ptp4l0-21swapper/120:31:061
111391160,0ptp4l0-21swapper/120:18:271
111391160,0ptp4l0-21swapper/119:57:451
111391160,0ptp4l0-21swapper/119:45:561
111391150,0ptp4l0-21swapper/720:21:157
111391150,0ptp4l0-21swapper/720:17:087
111391150,0ptp4l0-21swapper/719:59:367
111391150,0ptp4l0-21swapper/719:42:217
111391150,0ptp4l0-21swapper/620:32:106
111391150,0ptp4l0-21swapper/620:09:446
111391150,0ptp4l0-21swapper/620:09:446
111391150,0ptp4l0-21swapper/619:40:446
111391150,0ptp4l0-21swapper/619:38:426
111391150,0ptp4l0-21swapper/619:32:246
111391150,0ptp4l0-21swapper/619:12:176
111391150,0ptp4l0-21swapper/600:07:446
111391150,0ptp4l0-21swapper/520:41:205
111391150,0ptp4l0-21swapper/520:30:085
111391150,0ptp4l0-21swapper/519:56:025
111391150,0ptp4l0-21swapper/519:47:455
111391150,0ptp4l0-21swapper/519:12:465
111391150,0ptp4l0-21swapper/323:33:323
111391150,0ptp4l0-21swapper/220:54:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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