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2024-02-25 - 07:11

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #3

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 rackcslot3s (updated Sun Feb 25, 2024 00:50:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139062665651,10sleep40-21swapper/419:06:494
139432498477,15sleep50-21swapper/519:07:235
139642488465,15sleep60-21swapper/619:07:406
140302485463,15sleep70-21swapper/719:08:377
139142472451,15sleep30-21swapper/319:06:563
140602390364,20sleep10-21swapper/119:09:031
138732342303,16sleep00-21swapper/019:06:210
140342333311,14sleep20-21swapper/219:08:402
14564998887,0cyclictest3276-21needreboot22:05:330
14567997877,0cyclictest22869-21cpuspeed_turbos21:40:243
237082630,0sleep50-21swapper/523:55:415
183462600,0sleep60-21swapper/619:15:326
14566995957,1cyclictest14993-21idleruntime-cro23:40:002
14569995654,1cyclictest20225-21sendmail_mailqu20:25:435
14569995654,1cyclictest20225-21sendmail_mailqu20:25:435
14571995049,0cyclictest8442-21cpuspeed_turbos23:25:237
14568995049,0cyclictest17379-21cron23:45:004
14567994947,1cyclictest12062-21grep21:15:433
14567994947,1cyclictest12062-21grep21:15:433
14568994846,1cyclictest22079-21latency_hist19:25:004
14571994442,1cyclictest10909-21grep23:30:257
14565994443,0cyclictest0-21swapper/120:10:001
14564994443,0cyclictest32385-21tr19:45:200
14570994341,1cyclictest20321-21tr19:20:246
14564994342,0cyclictest6728-21cron20:00:000
14569994240,1cyclictest3322-21grep19:50:365
14566994240,1cyclictest12447-21sh21:20:002
14566994240,1cyclictest12447-21sh21:20:002
14571994139,1cyclictest280-21systemd-journal00:10:007
1457099410,1cyclictest280-21systemd-journal21:55:006
14569994139,1cyclictest32718-21tr00:15:265
14565994117,1cyclictest15647-21grep23:40:291
14567994038,1cyclictest29778-21grep19:40:243
14567994038,1cyclictest29778-21grep19:40:243
14570993937,1cyclictest4887-21tr22:10:206
14570993937,1cyclictest3500-21cpuspeed_turbos23:15:236
1457099390,38cyclictest0-21swapper/619:35:326
14569993937,1cyclictest6380-21taskset19:55:465
14569993937,1cyclictest0-21swapper/521:50:455
14568993939,0cyclictest0-21swapper/423:05:224
14566993938,0cyclictest26476-21cpuspeed_turbos20:40:242
14566993938,0cyclictest2516-21grep22:05:222
14565993931,7cyclictest9809-21tr00:35:221
1457199384,18cyclictest0-21swapper/700:20:417
14570993836,1cyclictest16917-21cpuspeed_turbos22:35:226
1457099380,1cyclictest0-21swapper/621:35:326
14569993836,1cyclictest9348-21proc_pri23:25:395
14568993836,1cyclictest797-21wc22:00:354
14568993836,1cyclictest11731-21cat20:10:004
14567993836,1cyclictest17875-21cpuspeed_turbos19:15:243
14567993832,5cyclictest27825-21unixbench_multi20:40:493
14567993824,13cyclictest547-21latency_hist23:10:013
14566993837,0cyclictest23708-21runrttasks23:55:412
14566993836,1cyclictest4002-21grep19:50:492
14565993836,1cyclictest8051-21cat00:30:331
14565993836,1cyclictest4960-21sed21:00:501
14565993836,1cyclictest27396-21cpuspeed_turbos19:35:241
14564993837,0cyclictest7643-21sh23:25:010
14571993735,1cyclictest28191-21cron20:45:007
14570993735,1cyclictest6433-21sort23:20:316
14570993735,1cyclictest30216-21head20:45:546
14570993735,1cyclictest23010-21tr23:55:246
14570993734,2cyclictest14529-21grep20:15:246
14569993735,1cyclictest21312-21switchtime19:20:435
1456999370,36cyclictest0-21swapper/521:00:235
1456999370,0cyclictest0-21swapper/522:50:425
14567993736,0cyclictest2518-21tr22:05:223
14567993735,1cyclictest6658-21needreboot21:05:363
14567993735,1cyclictest6658-21needreboot21:05:363
14567993712,24cyclictest1861-21grep20:55:363
14566993734,2cyclictest29777-21cpuspeed_turbos19:40:242
14566993734,2cyclictest29777-21cpuspeed_turbos19:40:242
14565993736,0cyclictest3881-21timerwakeupswit19:50:481
14565993735,1cyclictest31186-21tr20:50:231
14565993735,1cyclictest27585-21grep21:50:251
14565993723,0cyclictest21381-21sendmail_mailqu21:35:411
14564993735,1cyclictest11497-21sh20:10:010
1456499370,36cyclictest0-21swapper/021:50:440
14571993634,1cyclictest4275-21strings21:00:377
14571993610,14cyclictest0-21swapper/722:18:527
1457199360,1cyclictest0-21swapper/719:30:387
14570993634,1cyclictest30565-21needreboot19:40:386
14570993634,1cyclictest30565-21needreboot19:40:386
14570993634,1cyclictest26176-21cat19:30:506
14570993634,1cyclictest0-21swapper/621:10:216
14569993634,1cyclictest30009-21wc23:00:425
14569993634,1cyclictest19271-21grep19:15:475
14569993634,1cyclictest18320-21unixbench_singl20:20:495
1456999360,35cyclictest0-21swapper/520:30:475
14567993634,1cyclictest27747-21tr00:05:253
14567993634,1cyclictest0-21swapper/319:40:003
14567993633,2cyclictest24003-21tr20:35:213
14566993634,1cyclictest28596-21cat19:35:452
14566993622,0cyclictest9838-21grep00:35:232
1456599360,35cyclictest0-21swapper/121:30:291
1456599360,35cyclictest0-21swapper/121:30:291
14564993634,1cyclictest1643-21cat23:10:320
14571993534,0cyclictest22751-21cat22:45:447
14571993534,0cyclictest1279-21wc19:45:457
14570993533,1cyclictest20575-21cpuspeed_turbos23:50:226
14570993533,1cyclictest15709-21cat22:30:446
14569993533,1cyclictest21874-21unixbench_singl21:35:465
14569993532,2cyclictest11220-21grep00:35:475
14569993532,1cyclictest12605-21sh23:35:005
14568993533,1cyclictest496-21wc19:45:294
14567993533,1cyclictest9362-21wc00:35:003
14567993533,1cyclictest21646-21unixbench_multi19:20:453
14566993533,1cyclictest29431-21cat20:45:392
14566993533,1cyclictest17984-21tr23:45:252
14565993534,0cyclictest0-21swapper/119:30:501
14565993533,1cyclictest5449-21cat22:10:271
14565993533,1cyclictest32171-21cat23:05:411
14565993533,1cyclictest0-21swapper/122:05:391
14565993533,1cyclictest0-21swapper/121:40:421
1457199348,10cyclictest0-21swapper/722:24:017
14571993432,1cyclictest7430-21cut00:30:227
14571993432,1cyclictest2589-21cpuspeed_turbos19:50:237
14571993432,1cyclictest25420-21unixbench_singl22:50:447
14571993432,1cyclictest0-21swapper/720:45:527
1457199340,0cyclictest0-21swapper/723:40:567
1457199340,0cyclictest0-21swapper/719:35:467
14570993432,1cyclictest4064-21grep00:20:446
14570993432,1cyclictest10476-21grep20:05:326
14569993432,1cyclictest25073-21tr19:30:255
14569993432,1cyclictest18127-21tr21:30:215
14569993432,1cyclictest18127-21tr21:30:215
14569993431,1cyclictest4864-21unixbench_multi23:15:455
1456999340,1cyclictest0-21swapper/522:50:015
14568993432,1cyclictest3483-21cpuspeed_turbos21:00:234
14568993432,1cyclictest29358-21grep20:45:364
14568993432,1cyclictest12140-21cpuspeed_turbos20:10:244
14568993431,2cyclictest3321-21needreboot19:50:364
14568993414,5cyclictest0-21swapper/400:20:284
14567993432,1cyclictest20446-21tr21:35:243
14567993432,1cyclictest18659-21wc22:40:003
14567993432,1cyclictest0-21swapper/323:15:233
14567993432,1cyclictest0-21swapper/322:25:243
14567993431,2cyclictest12120-21grep20:10:243
14566993433,0cyclictest6673-21cron22:15:002
14566993432,1cyclictest6815-21sh00:30:002
14565993433,0cyclictest22688-21grep20:30:451
14565993433,0cyclictest10720-21cut21:15:231
14565993433,0cyclictest10720-21cut21:15:221
14565993432,1cyclictest8380-21cpuspeed_turbos21:10:211
14565993432,1cyclictest25271-21tr21:45:231
14565993432,1cyclictest24049-21cpuspeed_turbos22:50:221
14565993432,1cyclictest0-21swapper/123:45:571
14565993431,2cyclictest21026-21cut19:20:351
1456599340,32cyclictest19348-21tr20:25:241
1456599340,32cyclictest19348-21tr20:25:241
14564993433,0cyclictest15593-21grep23:40:290
14571993331,1cyclictest7392-21cpuspeed_turbos20:00:247
14570993332,0cyclictest12708-21latency_hist23:35:006
14570993331,1cyclictest20266-21cat22:40:426
14570993331,1cyclictest0-21swapper/621:40:456
14569993331,1cyclictest2681-21tr00:20:225
14569993331,1cyclictest26451-21tr20:40:245
14569993330,1cyclictest11124-21grep22:20:445
14568993332,0cyclictest32078-21apt00:15:004
14568993332,0cyclictest27425-21tr19:35:244
14568993332,0cyclictest23423-21sh20:35:004
14568993331,1cyclictest28777-21wc21:50:444
14568993331,1cyclictest12564-21cat21:20:004
14568993331,1cyclictest12564-21cat21:20:004
1456899330,1cyclictest0-21swapper/419:15:354
14567993331,1cyclictest6433-21unixbench_multi00:25:433
14567993331,1cyclictest24534-21cat22:50:303
14567993331,1cyclictest22985-21tr23:55:253
14567993331,1cyclictest0-21swapper/319:15:003
1456799330,32cyclictest0-21swapper/321:05:003
14566993331,1cyclictest18990-21sendmail_mailqu21:30:382
14566993331,1cyclictest18990-21sendmail_mailqu21:30:382
14565993331,1cyclictest4947-21grep19:55:211
14565993331,1cyclictest28193-21apt20:45:001
14565993331,1cyclictest21778-21cat23:50:531
14565993331,1cyclictest16914-21grep21:25:411
14565993331,1cyclictest0-21swapper/122:30:001
14564993332,0cyclictest1797-21cat22:05:000
14564993331,1cyclictest29950-21wc20:45:510
1457199328,9cyclictest0-21swapper/721:50:457
14571993232,0cyclictest0-21swapper/723:00:227
14571993230,1cyclictest2901-21sh21:00:017
14571993230,1cyclictest0-21swapper/722:40:237
14571993230,1cyclictest0-21swapper/721:55:337
14571993230,1cyclictest0-21swapper/719:55:347
14570993230,1cyclictest32368-21tr22:00:206
14570993230,1cyclictest23203-21cat19:25:296
14570993230,1cyclictest2276-21timerandwakeup20:55:476
14570993230,1cyclictest19926-21cat23:50:016
14570993230,1cyclictest16291-21cat21:25:316
1457099320,1cyclictest0-21swapper/600:25:226
14569993230,1cyclictest20661-21grep22:40:445
14569993230,1cyclictest0-21swapper/522:10:385
14569993230,1cyclictest0-21swapper/522:05:225
14568993230,1cyclictest18925-21wc21:30:384
14568993230,1cyclictest18925-21wc21:30:374
14568993230,1cyclictest14852-21tr19:10:254
14567993231,0cyclictest2040-21sh00:20:003
14567993230,1cyclictest6381-21grep19:55:463
1456799320,31cyclictest0-21swapper/322:15:433
1456799320,1cyclictest0-21swapper/322:45:443
14566993231,0cyclictest6657-21needreboot21:05:362
14566993231,0cyclictest6657-21needreboot21:05:362
14566993230,1cyclictest4667-21timerandwakeup23:15:442
14566993230,1cyclictest22860-21wc22:45:452
14565993230,1cyclictest9710-21grep22:20:231
14565993230,1cyclictest29433-21missed_timers20:45:391
14564993231,0cyclictest21059-21cat21:35:350
14564993231,0cyclictest16693-21wc19:15:000
14564993230,1cyclictest24583-21cat20:35:290
14564993230,1cyclictest18829-21sendmail_mailqu19:15:420
14564993230,1cyclictest1122-21cut20:55:230
14571993129,1cyclictest19703-21grep19:20:007
14571993129,1cyclictest15860-21grep19:10:467
14571993129,1cyclictest10482-21cut20:05:327
14571993129,1cyclictest0-21swapper/719:20:317
14571993112,9cyclictest0-21swapper/722:02:357
14570993129,1cyclictest21718-21tr20:30:216
14570993129,1cyclictest21682-21tr22:45:226
14570993129,1cyclictest0-21swapper/623:25:346
14570993128,2cyclictest8775-21unixbench_singl20:00:506
14570993116,14cyclictest10478-21grep00:35:356
14569993130,1cyclictest0-21swapper/519:10:485
14569993130,0cyclictest31242-21cpuspeed_turbos20:50:235
14569993130,0cyclictest0-21swapper/521:10:405
14569993130,0cyclictest0-21swapper/520:45:395
14569993129,1cyclictest9129-21ls20:05:005
14569993129,1cyclictest3216-21grep21:00:005
14569993129,1cyclictest29961-21cpuspeed_turbos21:55:235
14569993129,1cyclictest20552-21cut23:50:225
14569993129,1cyclictest14665-21grep23:35:495
14569993129,1cyclictest0-21swapper/500:00:445
1456899318,0cyclictest16808-21cpuspeed_turbos22:35:214
14568993130,0cyclictest25174-21cat22:50:424
14568993130,0cyclictest17418-21latency20:20:324
14568993129,1cyclictest32717-21tr00:15:264
14568993129,1cyclictest24367-21tail23:55:584
14568993129,1cyclictest1929-21ntp_kernel_pll_20:55:384
14568993129,1cyclictest17671-21wc21:30:004
14568993129,1cyclictest11759-21cat00:40:004
1456899310,30cyclictest0-21swapper/419:35:004
1456899310,0cyclictest0-21swapper/420:35:214
14567993130,0cyclictest15638-21cut23:40:293
14567993130,0cyclictest0-21swapper/319:30:003
14567993129,1cyclictest495-21grep19:45:293
14567993129,1cyclictest14653-21grep21:20:463
14567993129,1cyclictest14653-21grep21:20:463
14567993129,1cyclictest14452-21tr22:30:233
14567993129,1cyclictest0-21swapper/323:35:323
14567993129,1cyclictest0-21swapper/320:50:233
14567993129,1cyclictest0-21swapper/320:15:243
14566993129,1cyclictest24002-21grep20:35:212
14566993129,1cyclictest22928-21tr21:40:242
14566993129,1cyclictest18790-21grep22:40:012
14565993130,0cyclictest18345-21grep20:20:491
14565993129,1cyclictest8549-21tr23:25:231
14565993129,1cyclictest451-21wc19:45:291
14565993129,1cyclictest27796-21cut00:05:251
14565993129,1cyclictest27132-21turbostat.cron00:05:001
14565993129,1cyclictest26990-21missed_timers22:55:331
14565993129,1cyclictest22905-21wc22:45:441
14564993130,0cyclictest13361-21cpuspeed_turbos21:20:220
14564993130,0cyclictest13361-21cpuspeed_turbos21:20:220
14564993130,0cyclictest12774-21latency_hist23:35:000
14564993129,1cyclictest26391-21cpuspeed_turbos20:40:240
14564993129,1cyclictest20160-21proc_pri20:25:410
14564993129,1cyclictest20160-21proc_pri20:25:410
14564993129,1cyclictest19763-21sh23:50:000
14564993129,1cyclictest13480-21unixbench_multi20:10:470
14564993128,2cyclictest27394-21tr19:35:240
1457199309,9cyclictest0-21swapper/723:22:307
14571993029,0cyclictest23533-21ps19:25:387
14571993028,1cyclictest11192-21tail00:35:477
14570993028,1cyclictest3880-21grep19:50:486
14570993028,1cyclictest24041-21tr22:50:226
14570993028,1cyclictest11222-21cat21:15:306
14570993028,1cyclictest11222-21cat21:15:306
14570993027,2cyclictest5021-21cpuspeed_turbos19:55:216
14570993027,1cyclictest5900-21cpuspeed_turbos21:05:226
14570993027,1cyclictest5900-21cpuspeed_turbos21:05:226
14569993028,1cyclictest0-21swapper/523:15:005
14569993027,1cyclictest19760-21apt23:50:005
1456999300,1cyclictest0-21swapper/522:00:205
14568993029,0cyclictest7644-21sh23:25:004
14568993029,0cyclictest24718-21cat19:30:004
14568993028,1cyclictest9421-21grep20:05:014
14568993028,1cyclictest27681-21cat20:40:484
14568993028,1cyclictest23458-21wc21:40:344
14568993028,1cyclictest12257-21unixbench_singl23:30:524
14568993028,1cyclictest0-21swapper/419:55:464
14567993028,1cyclictest25277-21tr21:45:233
14567993028,1cyclictest11470-21cat23:30:373
1456799300,0cyclictest0-21swapper/322:10:203
14566993028,1cyclictest8227-21find22:15:432
14566993028,1cyclictest5464-21grep21:05:002
14566993028,1cyclictest3175-21cat00:20:292
14566993028,1cyclictest12093-21grep22:25:242
14565993029,0cyclictest17874-21cpuspeed_turbos19:15:241
14565993028,1cyclictest14647-21unixbench_singl23:35:491
14565993016,13cyclictest14656-21unixbench_multi21:20:461
14565993016,13cyclictest14656-21unixbench_multi21:20:461
14564993029,0cyclictest8434-21grep23:25:230
14564993029,0cyclictest8242-21grep20:00:420
14564993029,0cyclictest25987-21cat22:55:010
14564993029,0cyclictest24586-21cat19:30:010
14564993028,1cyclictest21232-21wc22:45:010
14564993028,1cyclictest18549-21cat21:30:290
14564993028,1cyclictest18549-21cat21:30:290
1456499300,1cyclictest0-21swapper/021:45:220
1457199299,8cyclictest0-21swapper/723:19:277
1457199293,14cyclictest0-21swapper/722:05:027
14571992928,0cyclictest6323-21head22:10:407
14571992928,0cyclictest31270-21tr20:50:237
14571992928,0cyclictest0-21swapper/722:30:457
14571992927,1cyclictest21853-21head21:35:467
14570992927,1cyclictest27797-21grep20:40:506
14569992927,1cyclictest28704-21timerwakeupswit19:35:465
14569992927,1cyclictest27509-21grep22:55:425
1456899296,14cyclictest0-21swapper/420:50:444
14568992927,1cyclictest9023-21tail21:10:324
14568992927,1cyclictest0-21swapper/423:35:354
14567992927,1cyclictest32447-21cpuspeed_turbos22:00:203
14567992927,1cyclictest26040-21missed_timers00:00:453
14567992927,1cyclictest25095-21grep19:30:253
14567992926,2cyclictest9701-21cpuspeed_turbos22:20:233
14566992928,0cyclictest27727-21grep00:05:252
14566992928,0cyclictest1459-21cat00:15:522
14566992927,1cyclictest16593-21sh19:15:002
14566992927,1cyclictest12119-21cpuspeed_turbos20:10:242
14565992927,1cyclictest2163-21grep20:55:461
14564992928,0cyclictest4351-21cron19:55:000
14564992927,1cyclictest31315-21grep21:55:450
14564992927,1cyclictest31185-21grep20:50:230
14564992927,1cyclictest26453-21cat00:00:570
14564992927,1cyclictest23083-21grep20:30:490
14564992927,1cyclictest17082-21unixbench_singl21:25:420
1456499290,1cyclictest0-21swapper/000:10:450
1457199283,8cyclictest0-21swapper/700:26:087
14571992827,0cyclictest20571-21cat20:25:487
14571992827,0cyclictest20571-21cat20:25:487
14571992827,0cyclictest16530-21cat20:20:007
14571992826,1cyclictest5903-21grep21:05:237
14571992826,1cyclictest5903-21grep21:05:227
14571992826,1cyclictest22790-21tr21:40:247
14571992826,1cyclictest12117-21cut20:10:247
14571992826,1cyclictest0-21swapper/700:15:517
14570992827,0cyclictest3778-21wc22:05:436
14570992813,1cyclictest0-21swapper/622:28:126
14570992813,1cyclictest0-21swapper/620:26:466
14570992813,1cyclictest0-21swapper/620:26:456
1457099280,26cyclictest0-21swapper/623:00:226
14569992827,0cyclictest0-21swapper/521:45:365
14569992826,1cyclictest22722-21cpuspeed_turbos19:25:205
14569992826,1cyclictest17343-21grep22:35:295
1456999280,27cyclictest0-21swapper/520:15:245
1456999280,26cyclictest0-21swapper/520:35:425
14568992827,0cyclictest6970-21cat22:15:014
14568992827,0cyclictest14555-21tr20:15:244
14568992826,1cyclictest6344-21grep00:25:434
14568992826,1cyclictest23541-21cat22:50:014
14568992826,1cyclictest20987-21latency21:35:334
14567992824,2cyclictest5867-21cpuspeed_turbos23:20:223
14566992827,0cyclictest0-21swapper/222:50:302
14566992826,1cyclictest24652-21cat19:30:002
14566992826,1cyclictest0-21swapper/219:55:462
14565992826,1cyclictest5912-21cpuspeed_turbos23:20:221
14565992825,1cyclictest32737-21cpuspeed_turbos00:15:261
1456599281,25cyclictest28735-21grep23:00:221
1456599280,26cyclictest3486-21grep23:15:231
14564992827,0cyclictest21334-21head23:50:390
14564992826,1cyclictest8018-21cut22:15:370
14564992826,1cyclictest7465-21cpuspeed_turbos00:30:220
14564992826,1cyclictest26284-21cat19:30:500
14564992826,1cyclictest22974-21cpuspeed_turbos23:55:240
1456499280,1cyclictest0-21swapper/023:35:470
14571992725,1cyclictest0-21swapper/720:35:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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