You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-04 - 17:53

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 highest latencies:
System rack5slot4s.osadl.org (updated Fri Sep 04, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185713799164151,8cyclictest2151968-21apt-get12:05:032
185713599109105,2cyclictest0-21swapper/112:05:031
20024522660,3sleep20-21swapper/209:32:392
1857129996652,13cyclictest0-21swapper/012:05:030
1857129996553,9cyclictest275-21systemd-journal09:40:000
18677172600,2sleep3471rcuc/307:17:363
20139492540,4sleep10-21swapper/109:47:301
1857135995450,3cyclictest1824831-21kworker/u8:3+events_unbound07:17:461
1857135995244,6cyclictest2087787-21kworker/u8:1+events_unbound11:02:331
1857129995246,4cyclictest1967983-21kworker/u8:2+events_unbound09:12:310
1857137995136,13cyclictest1873943-21apt-get07:25:002
1857137995129,20cyclictest275-21systemd-journal09:30:002
1857129995046,3cyclictest1857303-21kworker/u8:1+events_unbound07:20:010
1857135994945,3cyclictest1869376-21kworker/u8:0+flush-8:007:27:311
1857135994944,4cyclictest1899239-21kworker/u8:0+events_unbound08:58:031
1857129994944,3cyclictest2102293-21kworker/u8:0+events_unbound11:20:000
1857129994941,6cyclictest2112718-21/usr/sbin/munin11:27:450
19315742480,4sleep3481ktimers/308:22:333
1857135994844,3cyclictest2003108-21kworker/u8:0+events_unbound09:52:281
1857135994840,6cyclictest2042809-21kworker/u8:0+events_unbound10:47:331
1857135994840,6cyclictest1924099-21/usr/sbin/munin08:17:431
1857135994840,6cyclictest1924099-21/usr/sbin/munin08:17:431
1857135994840,5cyclictest2017855-21kworker/u8:3+events_unbound10:02:381
1857129994839,7cyclictest1963982-21diskstats08:57:300
1857137994737,8cyclictest275-21systemd-journal10:25:002
1857135994736,8cyclictest275-21systemd-journal12:16:551
1857129994742,4cyclictest2042809-21kworker/u8:0+flush-8:010:35:000
20149782460,4chrt13-21ksoftirqd/009:47:330
1857137994636,8cyclictest275-21systemd-journal09:10:012
1857135994643,2cyclictest2176726-21kworker/u8:0+events_unbound12:32:291
1857135994642,3cyclictest2112538-21kworker/u8:3+flush-8:011:30:021
1857135994642,3cyclictest1967983-21kworker/u8:2+flush-8:009:42:281
1857135994541,3cyclictest2102293-21kworker/u8:0+events_unbound11:17:331
1857135994541,3cyclictest2087787-21kworker/u8:1+flush-8:012:02:451
1857135994541,3cyclictest2087787-21kworker/u8:1+flush-8:011:49:551
1857135994541,3cyclictest2058245-21kworker/u8:3+flush-8:010:50:321
1857135994541,3cyclictest2017855-21kworker/u8:3+events_unbound10:05:021
1857135994541,3cyclictest1967983-21kworker/u8:2+flush-8:009:12:301
1857135994541,3cyclictest1883977-21kworker/u8:4+flush-8:008:02:251
1857135994541,3cyclictest1869376-21kworker/u8:0+flush-8:007:30:561
1857129994540,3cyclictest2112538-21kworker/u8:3+events_unbound11:32:440
1857135994440,3cyclictest2087787-21kworker/u8:1+events_unbound11:37:311
1857135994440,3cyclictest1914104-21kworker/u8:1+flush-8:008:07:271
1857129994433,8cyclictest275-21systemd-journal11:00:010
1857135994339,3cyclictest2126985-21kworker/u8:0+events_unbound11:52:271
1857135994339,3cyclictest1978208-21kworker/u8:1+events_unbound09:32:421
1857135994339,3cyclictest1914104-21kworker/u8:1+flush-8:008:13:561
20849732420,6sleep20-21swapper/210:57:382
20688632420,4sleep20-21swapper/210:42:332
20688632420,4sleep20-21swapper/210:42:332
1857137994235,5cyclictest2136322-21journal-offline11:47:402
1857135994238,3cyclictest2102293-21kworker/u8:0+flush-8:011:22:401
1857135994238,3cyclictest2087787-21kworker/u8:1+events_unbound11:57:511
1857135994238,3cyclictest2058245-21kworker/u8:3+events_unbound10:57:311
1857135994238,3cyclictest2042809-21kworker/u8:0+events_unbound10:22:281
1857135994238,3cyclictest1978208-21kworker/u8:1+events_unbound09:37:271
1857135994238,3cyclictest1938813-21kworker/u8:2+flush-8:008:47:331
1857129994240,1cyclictest1998261-21/usr/sbin/munin09:30:010
1857129994232,8cyclictest1927819-21ntpq08:17:370
1857129994232,8cyclictest1927819-21ntpq08:17:370
1857135994137,3cyclictest2077866-21kworker/u8:2+events_unbound12:27:291
1857135994137,3cyclictest1988562-21kworker/u8:3+events_unbound09:28:081
1857135994137,3cyclictest1967983-21kworker/u8:2+flush-8:009:00:321
1857135994137,3cyclictest1899239-21kworker/u8:0+flush-8:007:52:361
1857129994131,8cyclictest1878349-21ntpq07:27:370
1857137994025,13cyclictest2022695-21unixbench_multi09:52:432
1857135994036,3cyclictest2087787-21kworker/u8:1+events_unbound12:12:441
1857137993925,12cyclictest1879915-21fschecks_time07:32:302
1857135993936,2cyclictest2042809-21kworker/u8:0+events_unbound10:37:411
1857135993935,3cyclictest1899239-21kworker/u8:0+flush-8:008:52:311
1857135993935,3cyclictest1899239-21kworker/u8:0+events_unbound08:37:281
1857135993933,4cyclictest2043429-21apt-get10:17:291
1857129993932,5cyclictest275-21systemd-journal08:50:010
1857129993928,9cyclictest275-21systemd-journal07:35:000
1857137993831,5cyclictest275-21systemd-journal10:02:152
1857137993828,8cyclictest275-21systemd-journal08:34:552
1857137993816,19cyclictest275-21systemd-journal08:23:542
1857135993834,3cyclictest2087787-21kworker/u8:1+events_unbound11:12:311
1857135993834,3cyclictest2077866-21kworker/u8:2+events_unbound11:08:041
1857135993834,3cyclictest1071218-21kworker/u8:0+flush-8:007:10:011
1857129993834,3cyclictest1883977-21kworker/u8:4+flush-8:007:47:430
1857129993831,5cyclictest2087787-21kworker/u8:1+flush-8:012:17:260
1857129993829,7cyclictest275-21systemd-journal08:15:000
1857135993733,3cyclictest1824831-21kworker/u8:3+flush-8:008:27:301
1857135993733,3cyclictest1824831-21kworker/u8:3+flush-8:007:47:381
1857135993732,4cyclictest2028083-21kworker/u8:1+events_unbound10:27:451
1857135993732,3cyclictest1993297-21turbostat.cron09:25:001
1857129993733,3cyclictest1883977-21kworker/u8:4+flush-8:007:52:410
1857129993732,4cyclictest2126985-21kworker/u8:0+flush-8:011:52:340
1857135993632,3cyclictest2087787-21kworker/u8:1+flush-8:012:22:311
1857129993629,5cyclictest2077866-21kworker/u8:2+flush-8:012:15:000
20090492350,2sleep2371rcuc/209:42:302
1857137993528,5cyclictest2181594-21grep12:32:452
1857137993513,2cyclictest0-21swapper/212:37:302
1857135993532,2cyclictest1824831-21kworker/u8:3+events_unbound07:22:281
1857135993531,3cyclictest2126985-21kworker/u8:0+events_unbound11:41:551
1857135993531,3cyclictest1938813-21kworker/u8:2+events_unbound08:40:561
1857135993531,3cyclictest1899239-21kworker/u8:0+flush-8:008:24:311
1857135993526,7cyclictest275-21systemd-journal07:36:501
1857129993529,4cyclictest1938813-21kworker/u8:2+flush-8:008:42:420
1857129993527,6cyclictest2131372-21ntpq11:42:390
1857137993428,4cyclictest1968229-21apt-get09:00:002
1857137993414,2cyclictest0-21swapper/209:37:312
1857135993430,3cyclictest1967983-21kworker/u8:2+flush-8:010:12:181
1857135993430,3cyclictest1967983-21kworker/u8:2+events_unbound09:17:271
1857135993430,3cyclictest1899239-21kworker/u8:0+events_unbound08:32:471
1857135993429,3cyclictest1883968-21kworker/u8:2+events_unbound07:42:351
1857135993424,7cyclictest275-21systemd-journal10:32:431
1857129993430,3cyclictest1899239-21kworker/u8:0+events_unbound08:32:250
1857129993429,3cyclictest2102293-21kworker/u8:0+flush-8:011:22:330
1857137993317,14cyclictest2127166-21awk11:40:002
1857129993323,8cyclictest275-21systemd-journal10:40:000
185713799323,8cyclictest2107780-21apt-get11:22:242
185713799322,11cyclictest2171252-21ntpq12:22:402
1857137993215,15cyclictest1972874-21grep09:02:422
1857137993215,14cyclictest0-21swapper/212:05:012
1857135993229,2cyclictest1948246-21kworker/u8:3+flush-8:009:07:431
1857135993228,3cyclictest2176726-21kworker/u8:0+flush-8:012:36:561
1857135993228,3cyclictest2077866-21kworker/u8:2+events_unbound11:27:431
1857135993228,3cyclictest1899239-21kworker/u8:0+flush-8:007:55:511
1857135993227,3cyclictest2024000-21irqcore09:57:341
1857129993228,3cyclictest1883977-21kworker/u8:4+flush-8:007:37:320
1857129993222,8cyclictest275-21systemd-journal07:25:000
185713799312,7cyclictest2157538-21apt-get12:12:252
1857137993124,5cyclictest275-21systemd-journal08:30:002
1857137993112,5cyclictest1948246-21kworker/u8:3-ext4-rsv-conversion08:40:012
1857137993111,2cyclictest0-21swapper/209:22:232
1857135993127,3cyclictest2028083-21kworker/u8:1+events_unbound10:42:321
1857135993127,3cyclictest2028083-21kworker/u8:1+events_unbound10:42:321
1857129993126,4cyclictest1967983-21kworker/u8:2+events_unbound10:02:430
1857129993126,3cyclictest2028083-21kworker/u8:1+events_unbound10:30:000
1857137993013,2cyclictest0-21swapper/211:52:312
1857137993013,2cyclictest0-21swapper/211:07:442
1857129993027,2cyclictest2042809-21kworker/u8:0+flush-8:010:22:450
1857129993024,5cyclictest2028083-21kworker/u8:1+flush-8:010:07:410
1857129993023,5cyclictest1824831-21kworker/u8:3+events_unbound08:02:350
1857137992925,2cyclictest1874872-21fschecks_count07:27:292
1857137992915,12cyclictest0-21swapper/208:07:322
1857137992914,2cyclictest0-21swapper/207:12:462
1857137992913,2cyclictest0-21swapper/211:42:292
1857137992912,4cyclictest2166388-21grep12:17:412
1857137992912,2cyclictest0-21swapper/211:57:352
1857129992927,1cyclictest2087787-21kworker/u8:1+events_unbound12:02:290
1857129992926,2cyclictest2101555-21needreboot11:12:360
1857129992924,3cyclictest2003108-21kworker/u8:0+flush-8:009:52:400
1857129992923,4cyclictest1948216-21unixbench_singl08:37:450
1857129992923,4cyclictest1824831-21kworker/u8:3+flush-8:007:57:330
185713799282,8cyclictest1899419-21apt-get07:52:262
1857137992813,2cyclictest0-21swapper/208:02:302
185713799281,25cyclictest1908618-21unixbench_multi07:57:442
1857137992812,2cyclictest0-21swapper/210:00:012
1857137992811,4cyclictest0-21swapper/211:32:342
1857129992824,3cyclictest2077866-21kworker/u8:2+flush-8:011:02:440
1857129992824,3cyclictest1978208-21kworker/u8:1+events_unbound09:32:340
1857129992823,3cyclictest2182618-21fschecks_time12:37:280
1857129992823,3cyclictest1899239-21kworker/u8:0+events_unbound09:02:360
185713799277,8cyclictest2035530-21cut10:07:342
185713799277,7cyclictest1886638-21cut07:37:332
185713799272,9cyclictest2176133-21ntpq12:27:402
1857137992724,2cyclictest1893765-21unixbench_multi07:42:442
1857137992711,2cyclictest0-21swapper/207:10:012
1857129992723,3cyclictest2077866-21kworker/u8:2+flush-8:011:07:300
1857129992723,3cyclictest1967983-21kworker/u8:2+flush-8:010:12:420
1857129992722,4cyclictest2176726-21kworker/u8:0+flush-8:012:32:450
1857129992722,4cyclictest1857303-21kworker/u8:1+flush-8:007:12:410
1857129992722,3cyclictest2058245-21kworker/u8:3+events_unbound10:42:420
1857129992722,3cyclictest2058245-21kworker/u8:3+events_unbound10:42:420
185713799262,6cyclictest2087978-21apt-get11:02:272
1857137992622,3cyclictest1959149-21fschecks_time08:52:302
185713799261,8cyclictest1978793-21apt-get09:12:272
1857137992618,6cyclictest275-21systemd-journal10:26:552
185713799261,10cyclictest1895408-21ps07:47:332
1857137992610,3cyclictest0-21swapper/209:17:342
1857129992622,3cyclictest1824831-21kworker/u8:3+flush-8:008:22:420
1857129992622,2cyclictest0-21swapper/012:00:000
1857129992621,4cyclictest1899239-21kworker/u8:0+events_unbound08:52:290
1857129992620,4cyclictest1978208-21kworker/u8:1+flush-8:009:18:170
1857129992620,4cyclictest1883968-21kworker/u8:2+events_unbound07:42:260
18524612262,6sleep00-21swapper/007:06:550
185713799257,7cyclictest2099087-21tr11:12:322
185713799252,5cyclictest2073137-21apt-get10:47:272
1857137992521,2cyclictest1953099-21unixbench_multi08:42:472
185713799250,2cyclictest20149822kthreadcore09:47:332
1857129992521,3cyclictest2024000-21sort09:57:340
1857129992521,3cyclictest1967983-21kworker/u8:2+flush-8:009:42:260
1857129992520,3cyclictest1914104-21kworker/u8:1+flush-8:008:25:310
1857137992420,2cyclictest2112972-21cpuspeed_turbos11:27:302
19611282230,2sleep3575-21kworker/3:2+events08:52:353
185713799230,9cyclictest2047953-21basename10:20:002
185712999239,12cyclictest1988562-21kworker/u8:3+flush-8:009:22:370
1857129992318,4cyclictest2042809-21kworker/u8:0+events_unbound10:47:360
1857129992317,4cyclictest2087787-21kworker/u8:1+flush-8:011:37:330
1857129992317,4cyclictest0-21swapper/009:10:000
1857129992314,7cyclictest2087787-21kworker/u8:1+events_unbound11:47:390
1857129992218,3cyclictest1883977-21kworker/u8:4+events_unbound08:05:060
1857129992218,2cyclictest0-21swapper/012:27:270
1857129992217,3cyclictest0-21swapper/012:25:010
1857137992116,3cyclictest1958103-21grep08:47:452
1857129992117,3cyclictest2028083-21kworker/u8:1+events_unbound10:18:560
1857129992117,2cyclictest0-21swapper/010:52:290
18523222214,11sleep10-21swapper/107:05:071
1857137992016,2cyclictest0-21swapper/210:37:312
1857137991916,2cyclictest2103104-21fschecks_count11:17:352
1857137991914,4cyclictest2082390-21unixbench_singl10:52:452
1857137991912,5cyclictest275-21systemd-journal08:20:002
1857137991912,5cyclictest275-21systemd-journal08:19:592
18563482193,9sleep30-21swapper/307:07:423
185713799180,3cyclictest18623502if_err_enp4s007:15:012
1857137991713,2cyclictest0-21swapper/210:32:272
21077832162,9sleep30-21swapper/311:22:243
20189062168,5sleep30-21swapper/309:52:313
1857137991610,4cyclictest0-21swapper/210:12:332
21868192153,7sleep30-21swapper/312:40:013
1857137991510,3cyclictest0-21swapper/208:12:342
21231802132,7sleep30-21swapper/311:37:373
20542532133,7sleep30-21swapper/310:27:343
19081052132,7sleep30-21swapper/307:57:383
21769172122,6sleep30-21swapper/312:30:023
21743312122,6sleep30-21swapper/312:27:373
21663612122,6sleep30-21swapper/312:17:423
21577002122,6sleep30-21swapper/312:12:283
21422512122,5sleep30-21swapper/311:55:023
21328802122,6sleep30-21swapper/311:47:323
21272062122,6sleep30-21swapper/311:40:023
21127592122,6sleep30-21swapper/311:27:303
21023872122,5sleep30-21swapper/311:15:023
20834912122,6sleep30-21swapper/310:57:363
20784162122,6sleep30-21swapper/310:52:303
20720512122,6sleep30-21swapper/310:42:433
20720512122,6sleep30-21swapper/310:42:433
20582232122,6sleep30-21swapper/310:31:563
20479312120,8sleep30-21swapper/310:20:003
20380382122,5sleep30-21swapper/310:10:013
20280692122,5sleep30-21swapper/310:00:013
20178452122,6sleep30-21swapper/309:47:583
20126642122,6sleep30-21swapper/309:42:443
20031962122,5sleep30-21swapper/309:35:013
19842472122,6sleep30-21swapper/309:17:323
19783732122,5sleep30-21swapper/309:10:013
19671092122,6sleep30-21swapper/308:57:373
19577012122,6sleep30-21swapper/308:47:413
19492372122,6sleep30-21swapper/308:42:333
19435612122,6sleep30-21swapper/308:35:023
19189762122,6sleep30-21swapper/308:10:023
19030122122,6sleep30-21swapper/307:52:373
18958622122,6sleep30-21swapper/307:47:343
18791462122,5sleep30-21swapper/307:30:013
18786442122,6sleep30-21swapper/307:27:453
18574252122,6sleep30-21swapper/307:11:553
21672472112,5sleep30-21swapper/312:20:023
21524332112,6sleep30-21swapper/312:05:143
21472502112,6sleep30-21swapper/312:00:193
21388352111,6sleep30-21swapper/311:52:343
21174902112,5sleep30-21swapper/311:30:023
20976822112,6sleep30-21swapper/311:10:193
20927472112,5sleep30-21swapper/311:05:183
20918242112,5sleep30-21swapper/311:02:423
20729602112,6sleep30-21swapper/310:45:283
20627792112,5sleep30-21swapper/310:35:013
20482012112,6sleep30-21swapper/310:20:123
20422292112,5sleep30-21swapper/310:12:373
20237872112,5sleep30-21swapper/309:57:333
19992652112,5sleep30-21swapper/309:32:333
19935242112,5sleep30-21swapper/309:25:023
19931302112,6sleep30-21swapper/309:22:583
19736812112,6sleep30-21swapper/309:05:163
19687432112,6sleep30-21swapper/309:00:303
19389242112,6sleep30-21swapper/308:32:253
19339622113,5sleep30-21swapper/308:26:523
19239262112,6sleep30-21swapper/308:15:163
19239262112,6sleep30-21swapper/308:15:163
19142282112,5sleep30-21swapper/308:07:253
19092732112,6sleep30-21swapper/308:02:003
18898762112,5sleep30-21swapper/307:42:293
18844432112,6sleep30-21swapper/307:37:003
18691962113,5sleep30-21swapper/307:20:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional