You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-25 - 16:49

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #5, slot #4

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  Intel
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack5slot4s.osadl.org (updated Tue Aug 25, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72430021860,5sleep30-21swapper/310:12:453
65942521810,3sleep30-21swapper/309:07:443
54855121590,3sleep3575-21kworker/3:2+events07:17:483
6445652610,3sleep3575-21kworker/3:2-events08:52:433
8157732600,2sleep0201rcuc/011:47:410
539513996054,4cyclictest534482-21kworker/u8:0+events_unbound07:15:021
539513995550,4cyclictest824756-21kworker/u8:3+events_unbound12:22:521
539513995448,4cyclictest590866-21kworker/u8:2+flush-8:008:57:511
539508995342,8cyclictest859458-21latency_hist12:30:000
539513995246,4cyclictest621193-21kworker/u8:3+events_unbound09:30:011
8224462510,3sleep3575-21kworker/3:2+events11:52:423
539513995145,4cyclictest804955-21kworker/u8:0+flush-8:011:37:501
539513995045,3cyclictest705195-21kworker/u8:1+flush-8:010:12:541
539513995044,4cyclictest740252-21kworker/u8:1+events_unbound10:37:391
7739882490,3chrt201rcuc/011:02:500
539513994943,4cyclictest740252-21kworker/u8:1+events_unbound12:32:351
539513994939,7cyclictest275-21systemd-journal08:55:011
539513994841,5cyclictest740252-21kworker/u8:1+flush-8:011:17:531
539513994839,7cyclictest544366-21latency_hist07:15:011
539513994741,4cyclictest730318-21kworker/u8:2+events_unbound10:22:461
539513994741,4cyclictest730318-21kworker/u8:2+events_unbound10:22:461
539508994729,15cyclictest640766-21latency_hist08:50:010
539508994724,19cyclictest789697-21apt-get11:20:010
539513994639,5cyclictest824756-21kworker/u8:3+flush-8:012:02:521
539513994639,5cyclictest740252-21kworker/u8:1+flush-8:010:52:471
539513994639,5cyclictest621193-21kworker/u8:3+events_unbound08:42:451
539513994639,5cyclictest590866-21kworker/u8:2+flush-8:009:02:451
539513994538,5cyclictest784945-21kworker/u8:3+flush-8:011:32:411
539508994527,16cyclictest401-21dbus-daemon07:25:000
539513994439,3cyclictest740252-21kworker/u8:1+events_unbound12:00:011
539513994438,4cyclictest621193-21kworker/u8:3+events_unbound09:10:011
539513994438,4cyclictest590866-21kworker/u8:2+flush-8:008:37:481
539508994423,18cyclictest275-21systemd-journal11:32:500
539513994339,3cyclictest3930081-21kworker/u8:1+flush-8:007:43:501
539513994337,4cyclictest3930081-21kworker/u8:1+events_unbound09:15:011
539513994336,4cyclictest804955-21kworker/u8:0+flush-8:011:52:521
539513994237,4cyclictest590866-21kworker/u8:2+flush-8:009:20:001
539513994235,5cyclictest774636-21kworker/u8:2+flush-8:012:07:371
539513994135,4cyclictest740252-21kworker/u8:1+events_unbound11:47:371
539513994133,6cyclictest810149-21apt-get11:42:321
539513994132,7cyclictest275-21systemd-journal08:31:201
539517994031,7cyclictest695359-21gpgv09:45:002
539517994014,8cyclictest275-21systemd-journal10:20:202
539517994014,8cyclictest275-21systemd-journal10:20:202
539513994036,3cyclictest590866-21kworker/u8:2+flush-8:009:47:391
539513994034,4cyclictest740252-21kworker/u8:1+events_unbound10:47:461
539513994032,5cyclictest570962-21latency_hist07:40:011
539513994031,7cyclictest596017-21latency_hist08:05:001
539508994032,6cyclictest749857-21latency_hist10:40:010
539508994023,15cyclictest715920-21cpuspeed_turbos10:07:360
539508994021,2cyclictest849352-21cron12:20:000
539508994020,2cyclictest0-21swapper/009:57:530
539508994018,6cyclictest591479-21/usr/sbin/munin08:02:510
539508994016,9cyclictest626622-21diskstats08:37:390
5392422403,8sleep10-21swapper/107:08:561
539517993924,13cyclictest544138-21unixbench_singl07:12:532
539517993923,13cyclictest736408-21kthreadcore10:27:382
539513993935,3cyclictest824756-21kworker/u8:3+flush-8:012:12:491
539513993934,3cyclictest705195-21kworker/u8:1+flush-8:010:10:011
539513993934,3cyclictest3930081-21kworker/u8:1+events_unbound09:32:401
539513993933,4cyclictest720402-21kworker/u8:3+flush-8:010:32:371
539513993932,5cyclictest720402-21kworker/u8:3+events_unbound10:27:341
539513993930,6cyclictest275-21systemd-journal10:43:201
539508993932,5cyclictest646171-21apt-get08:57:330
53950899392,35cyclictest0-21swapper/012:37:520
539508993919,2cyclictest0-21swapper/011:25:200
539508993918,3cyclictest0-21swapper/009:32:360
539508993915,8cyclictest575155-21ntpq07:42:450
53950899390,35cyclictest1-21systemd09:12:200
539513993829,7cyclictest275-21systemd-journal07:33:501
539508993831,5cyclictest275-21systemd-journal08:26:260
539508993821,6cyclictest700396-21latency_hist09:50:010
539517993723,12cyclictest854249-21unixbench_multi12:22:532
539517993722,13cyclictest834188-21unixbench_multi12:02:522
539517993722,13cyclictest794635-21unixbench_singl11:22:532
539513993733,3cyclictest720402-21kworker/u8:3+events_unbound10:20:001
539513993732,4cyclictest576161-21kworker/u8:3+events_unbound07:47:551
539513993732,3cyclictest844378-21kworker/u8:0+flush-8:012:17:401
539513993731,5cyclictest3930081-21kworker/u8:1+flush-8:008:12:511
539517993621,13cyclictest705133-21unixbench_singl09:52:522
539517993621,13cyclictest595742-21unixbench_multi08:02:532
539513993630,4cyclictest685336-21kworker/u8:0+flush-8:010:02:461
539508993619,2cyclictest790623-21cpuspeed_turbos11:22:350
539508993618,3cyclictest833931-21mailstats12:02:500
539508993617,17cyclictest736411-21kthreadcore10:27:380
539508993615,3cyclictest0-21swapper/010:57:370
539513993531,3cyclictest590866-21kworker/u8:2+events_unbound09:22:401
539513993529,4cyclictest740252-21kworker/u8:1+events_unbound11:02:421
539513993529,4cyclictest685336-21kworker/u8:0+flush-8:011:12:491
539513993528,5cyclictest621193-21kworker/u8:3+flush-8:008:47:351
539508993523,1cyclictest0-21swapper/012:32:510
539517993423,8cyclictest275-21systemd-journal12:05:202
539513993428,4cyclictest784945-21kworker/u8:3+events_unbound11:22:491
539508993425,7cyclictest596942-21diskstats08:07:350
539513993328,4cyclictest844378-21kworker/u8:0+events_unbound12:30:001
539513993327,4cyclictest685336-21kworker/u8:0+flush-8:010:57:431
539513993327,4cyclictest576161-21kworker/u8:3+flush-8:007:52:521
539513993327,4cyclictest3930081-21kworker/u8:1+flush-8:008:17:411
539513993327,4cyclictest3930081-21kworker/u8:1+flush-8:008:17:411
539508993317,4cyclictest0-21swapper/009:27:470
539517993218,2cyclictest814386-21unixbench_multi11:42:522
539513993228,3cyclictest3930081-21kworker/u8:1+events_unbound07:57:421
539513993227,3cyclictest620957-21cron08:30:001
539513993226,5cyclictest534482-21kworker/u8:0+flush-8:008:07:441
53950899327,20cyclictest670506-21kworker/0:0+events10:20:000
539508993226,4cyclictest546067-21irqrtprio07:15:030
539508993225,5cyclictest644957-21ntpq08:52:450
539508993222,8cyclictest783998-21ntpq11:12:470
539517993125,4cyclictest705195-21kworker/u8:1+flush-8:010:17:252
539513993127,3cyclictest590866-21kworker/u8:2+flush-8:008:22:351
539513993127,3cyclictest590866-21kworker/u8:2+flush-8:008:22:351
539513993126,4cyclictest685336-21kworker/u8:0+events_unbound09:37:471
539513993126,3cyclictest690668-21kworker/u8:3+flush-8:009:52:411
539508993122,6cyclictest275-21systemd-journal07:30:000
539513993026,3cyclictest3937158-21kworker/u8:4+events_unbound07:21:211
7762232290,7sleep3451irq_work/311:07:433
539517992919,2cyclictest539502-21cyclictest11:35:002
539513992924,3cyclictest865660-21irqcore12:37:411
539513992924,3cyclictest795567-21cut11:27:381
53950899299,15cyclictest749892-21kworker/0:2+events10:50:260
539517992824,2cyclictest864405-21unixbench_singl12:32:522
539517992824,2cyclictest596750-21aten2_r5power_e08:07:332
539517992823,3cyclictest749640-21unixbench_singl10:37:512
539513992821,5cyclictest740252-21kworker/u8:1+flush-8:011:07:471
539513992820,6cyclictest690741-21apt-get09:42:321
539508992825,2cyclictest585843-21sh07:55:000
539508992824,2cyclictest0-21swapper/010:35:010
539508992822,4cyclictest829239-21unixbench_multi11:57:540
539508992820,6cyclictest720596-21/usr/sbin/munin10:12:520
539508992820,6cyclictest606562-21/usr/sbin/munin08:17:510
539508992820,6cyclictest606562-21/usr/sbin/munin08:17:510
539508992816,10cyclictest590805-21apt-get08:00:000
539517992720,5cyclictest590866-21kworker/u8:2+flush-8:010:07:252
539517992711,4cyclictest0-21swapper/209:47:532
539513992723,3cyclictest534482-21kworker/u8:0+events_unbound07:27:411
53950899277,18cyclictest529627-21kworker/0:0+events07:12:420
539508992723,3cyclictest804955-21kworker/u8:0+events_unbound11:36:260
539508992723,3cyclictest580937-21munin-run07:50:000
539508992715,2cyclictest0-21swapper/011:07:400
539508992710,16cyclictest566030-21kworker/0:2+events09:05:000
539517992621,3cyclictest844135-21unixbench_singl12:12:552
539517992621,3cyclictest656375-21fschecks_time09:07:382
539517992620,5cyclictest590866-21kworker/u8:2+flush-8:009:00:252
53950899268,16cyclictest784731-21kworker/0:0+events12:12:500
539508992621,3cyclictest666466-21sort09:17:390
539508992614,8cyclictest539511-21grep07:10:010
539517992522,2cyclictest565731-21unixbench_multi07:32:532
539517992521,2cyclictest601710-21aten2_r5power_e08:12:352
539517992519,4cyclictest590866-21kworker/u8:2+flush-8:008:53:252
539517992518,5cyclictest740252-21kworker/u8:1+flush-8:011:46:252
539517992515,8cyclictest714255-21tr10:02:432
539513992520,3cyclictest685336-21kworker/u8:0+flush-8:009:57:361
53950899256,17cyclictest749892-21kworker/0:2+events10:42:400
539508992520,4cyclictest734837-21unixbench_singl10:22:530
539508992520,4cyclictest734837-21unixbench_singl10:22:530
539508992520,3cyclictest0-21swapper/009:25:010
539508992515,8cyclictest570187-21ntpq07:37:450
539517992421,2cyclictest570675-21unixbench_multi07:37:522
539517992420,2cyclictest0-21swapper/211:20:002
539517992417,5cyclictest680521-21sort09:30:012
539508992422,1cyclictest0-21swapper/008:32:520
539508992420,2cyclictest0-21swapper/012:25:000
539508992415,7cyclictest704583-21ntpq09:52:440
539508992415,6cyclictest695258-21apt-get09:45:010
539517992320,2cyclictest805460-21fschecks_count11:37:352
539517992319,2cyclictest765459-21fschecks_time10:57:392
539517992318,3cyclictest571535-21aten2_r5power_v07:42:352
539517992317,4cyclictest796226-21kthreadcore11:27:422
539508992318,4cyclictest600-21sshd08:24:200
539508992318,4cyclictest600-21sshd08:24:200
539508992315,6cyclictest814659-21latency_hist11:45:010
53951799223,5cyclictest0-21swapper/209:57:482
539517992212,8cyclictest779608-21dpkg11:10:002
53950899225,15cyclictest670506-21kworker/0:0+events09:37:520
539508992218,2cyclictest715265-21systemd-run10:05:000
53950899220,5cyclictest823722-21grep11:52:440
539517992118,2cyclictest585574-21unixbench_multi07:52:542
539517992117,2cyclictest770470-21fschecks_time11:02:382
539517992117,2cyclictest0-21swapper/212:40:002
53951799211,3cyclictest0-21swapper/210:42:432
53950899214,15cyclictest566030-21kworker/0:2+events08:12:440
539508992115,5cyclictest3937158-21kworker/u8:4+flush-8:007:32:540
5348662214,10sleep20-21swapper/207:07:212
539517992016,2cyclictest0-21swapper/211:12:502
539517992016,2cyclictest0-21swapper/207:57:442
539517992014,4cyclictest859453-21idleruntime-cro12:30:002
539517992013,5cyclictest590-21ntpd09:37:482
53951799200,9cyclictest7440732cat10:32:462
539508992015,3cyclictest758956-21needreboot10:47:450
539508992015,3cyclictest656649-21sort09:07:410
539508992011,7cyclictest838653-21ntpq12:07:460
539517991915,2cyclictest0-21swapper/207:22:522
539508991915,2cyclictest0-21swapper/008:45:000
539517991815,2cyclictest625696-21unixbench_singl08:32:532
539517991814,2cyclictest0-21swapper/210:12:362
539517991814,2cyclictest0-21swapper/208:27:312
539517991814,2cyclictest0-21swapper/207:15:032
539517991813,3cyclictest0-21swapper/208:47:442
53951799181,11cyclictest631347-21apt-get08:42:342
53951799180,6cyclictest848740-21/usr/sbin/munin12:17:502
5349172182,9sleep30-21swapper/307:07:383
53951799179,6cyclictest663052-21tr09:12:432
53951799178,7cyclictest763918-21awk10:52:442
53951799178,7cyclictest649459-21cut08:57:432
53951799177,8cyclictest822284-21tr11:52:412
53951799177,8cyclictest275-21systemd-journal08:36:192
53951799172,13cyclictest607200-21sed08:17:402
53951799172,13cyclictest607200-21sed08:17:402
539517991713,2cyclictest0-21swapper/209:17:512
53951799171,15cyclictest0-21swapper/208:22:512
53951799171,15cyclictest0-21swapper/208:22:512
53951799171,11cyclictest576635-21/usr/sbin/munin07:47:382
53951799168,6cyclictest684066-21tr09:32:442
53951799167,7cyclictest671023-21cut09:22:342
53951799161,5cyclictest0-21swapper/207:26:082
539517991612,2cyclictest0-21swapper/210:47:522
53951799157,6cyclictest825808-21sed11:57:412
5709432143,5sleep30-21swapper/307:40:013
8486172132,7sleep30-21swapper/312:17:473
8376832132,7sleep30-21swapper/312:07:433
8156022132,7sleep30-21swapper/311:47:413
8047122132,6sleep30-21swapper/311:35:013
7948812133,5sleep30-21swapper/311:25:023
7910452133,6sleep30-21swapper/311:22:413
7710162132,7sleep30-21swapper/311:02:423
7442012132,7sleep30-21swapper/310:32:493
6699642132,7sleep30-21swapper/309:17:523
6618732132,7sleep30-21swapper/309:12:433
6499872132,7sleep30-21swapper/308:57:503
6358612132,6sleep30-21swapper/308:45:023
8648702122,6sleep30-21swapper/312:35:203
8600502122,6sleep30-21swapper/312:31:473
8552132122,6sleep30-21swapper/312:27:373
8398592122,6sleep30-21swapper/312:12:373
8295192122,5sleep30-21swapper/312:00:013
7811442124,5sleep30-21swapper/311:12:423
7599812122,6sleep30-21swapper/310:50:023
7552492122,6sleep30-21swapper/310:47:343
7539312122,6sleep30-21swapper/310:42:443
7455452122,6sleep30-21swapper/310:37:343
7155632122,6sleep30-21swapper/310:06:203
7043892122,6sleep30-21swapper/309:52:443
6953102122,5sleep30-21swapper/309:45:013
6909852122,6sleep30-21swapper/309:42:363
6704762122,5sleep30-21swapper/309:20:013
6308152122,6sleep30-21swapper/308:39:203
6201272122,6sleep30-21swapper/308:27:443
6101792122,6sleep30-21swapper/308:17:453
6101792122,6sleep30-21swapper/308:17:453
6020252122,6sleep30-21swapper/308:12:393
5862962123,6sleep30-21swapper/307:57:343
5761562122,5sleep30-21swapper/307:45:023
5610832122,5sleep30-21swapper/307:30:013
5605782122,6sleep30-21swapper/307:27:533
5559252122,6sleep30-21swapper/307:22:553
8498682113,5sleep30-21swapper/312:20:283
8247802112,6sleep30-21swapper/311:55:233
8129482112,6sleep30-21swapper/311:42:433
8051752112,5sleep30-21swapper/311:37:343
7849322112,5sleep30-21swapper/311:15:023
7649592112,6sleep30-21swapper/310:55:323
7398752112,6sleep30-21swapper/310:29:083
7300552112,5sleep30-21swapper/310:20:013
7300552112,5sleep30-21swapper/310:20:013
7254982112,6sleep30-21swapper/310:16:523
7105302112,5sleep30-21swapper/310:00:023
7057732112,5sleep30-21swapper/309:57:333
6856132112,6sleep30-21swapper/309:35:583
6806512112,6sleep30-21swapper/309:30:203
6758892112,6sleep30-21swapper/309:27:323
6511112112,5sleep30-21swapper/309:02:353
6311942112,6sleep30-21swapper/308:40:563
6209882112,5sleep30-21swapper/308:30:013
6113322112,6sleep30-21swapper/308:20:143
6113322112,6sleep30-21swapper/308:20:143
5960302112,5sleep30-21swapper/308:05:013
5913642112,6sleep30-21swapper/308:01:073
5811652112,6sleep30-21swapper/307:50:083
5751242112,5sleep30-21swapper/307:42:463
5397782112,6sleep30-21swapper/307:12:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional