You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 13:06

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 Wed Apr 22, 2026 00:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
82479821940,5sleep30-21swapper/300:11:193
6675152800,1chrt663473-21/usr/sbin/munin21:31:261
521887996243,16cyclictest280-21systemd-journal00:16:100
521889995947,9cyclictest280-21systemd-journal20:46:091
521889995946,10cyclictest280-21systemd-journal19:15:001
6455072580,2sleep375-21kworker/3:1+events21:11:173
6210632580,2sleep2371rcuc/220:46:162
521889995549,4cyclictest781337-21ntpq23:26:241
521889995549,4cyclictest781337-21ntpq23:26:241
7851832530,4sleep2371rcuc/223:31:172
521887995335,15cyclictest851522-21latency_hist00:40:010
521887995244,6cyclictest563578-21apt-get19:50:000
521887995232,17cyclictest732677-21latency_hist22:40:010
521889995141,7cyclictest526799-21kworker/u8:2+events_unbound20:21:221
521887995131,18cyclictest742821-21/usr/sbin/munin22:51:200
521889994943,4cyclictest563573-21latency_hist19:50:011
521889994940,7cyclictest280-21systemd-journal23:09:591
521893994839,6cyclictest657480-21ntpq21:21:262
521893994839,6cyclictest657480-21ntpq21:21:262
521887994826,18cyclictest280-21systemd-journal21:21:100
521887994826,18cyclictest280-21systemd-journal21:21:100
521887994824,8cyclictest280-21systemd-journal20:20:000
521887994816,30cyclictest502236-21kworker/0:0+events20:06:090
521889994737,7cyclictest692817-21latency_hist22:00:011
521889994639,5cyclictest736731-21ntpq22:41:211
521889994634,8cyclictest280-21systemd-journal00:15:001
521887994620,7cyclictest717918-21/usr/sbin/munin22:26:270
521893994535,8cyclictest280-21systemd-journal20:36:102
521889994540,3cyclictest468641-21kworker/u8:3+flush-8:019:16:241
521887994525,6cyclictest653255-21latency_hist21:20:000
521889994435,6cyclictest280-21systemd-journal22:36:101
521887994431,10cyclictest280-21systemd-journal20:21:100
521889994339,3cyclictest544076-21kworker/u8:0+flush-8:020:06:261
521889994335,6cyclictest526799-21kworker/u8:2+flush-8:020:51:121
521889994332,8cyclictest280-21systemd-journal23:51:101
521889994238,3cyclictest544076-21kworker/u8:0+flush-8:019:41:241
521889994232,8cyclictest816123-21ntpq00:01:191
521889994232,8cyclictest771386-21ntpq23:16:221
521887994234,6cyclictest280-21systemd-journal22:00:000
521887994225,3cyclictest762915-21fschecks_count23:11:130
521893994132,7cyclictest280-21systemd-journal21:36:102
521889994134,5cyclictest544076-21kworker/u8:0+flush-8:020:36:261
521887994135,4cyclictest742233-21kworker/u8:1+flush-8:000:05:010
521889994036,3cyclictest468641-21kworker/u8:3+flush-8:019:21:241
521889994034,4cyclictest697734-21apt-get22:04:371
521889994031,6cyclictest544076-21kworker/u8:0+flush-8:020:16:231
521889994029,8cyclictest280-21systemd-journal20:12:101
521889993935,3cyclictest643595-21kworker/u8:1+flush-8:021:51:151
521889993933,4cyclictest742233-21kworker/u8:1+events_unbound00:31:261
521889993933,4cyclictest479584-21kworker/u8:1+flush-8:020:01:121
521893993732,4cyclictest544076-21kworker/u8:0+flush-8:020:06:132
521893993731,4cyclictest526799-21kworker/u8:2+flush-8:023:46:222
521887993722,5cyclictest280-21systemd-journal19:52:170
521893993629,5cyclictest543936-21base6419:30:012
521893993628,6cyclictest280-21systemd-journal21:58:102
521887993625,8cyclictest280-21systemd-journal22:41:100
521893993529,4cyclictest643595-21kworker/u8:1+flush-8:021:11:282
521889993529,4cyclictest742233-21kworker/u8:1+flush-8:023:01:141
521889993529,4cyclictest569079-21apt-get19:56:081
521889993527,6cyclictest827164-21apt-get00:16:081
521889993527,6cyclictest742233-21kworker/u8:1+flush-8:023:41:231
521893993429,4cyclictest526799-21kworker/u8:2+events_unbound20:41:282
521889993428,4cyclictest817324-21apt-get00:06:081
521889993428,4cyclictest742233-21kworker/u8:1+flush-8:000:26:281
521889993426,6cyclictest526799-21kworker/u8:2+flush-8:000:21:221
521887993410,21cyclictest801866-21kworker/0:0+events00:11:270
521893993327,4cyclictest787342-21apt-get23:36:082
521889993328,4cyclictest544076-21kworker/u8:0+flush-8:021:01:131
521889993327,4cyclictest401-21dbus-daemon23:15:001
521889993326,5cyclictest742233-21kworker/u8:1+flush-8:023:21:211
521889993325,5cyclictest280-21systemd-journal00:38:101
521889993320,10cyclictest280-21systemd-journal22:20:001
521893993225,4cyclictest832141-21apt-get00:21:072
521893993224,6cyclictest280-21systemd-journal19:55:112
521889993230,1cyclictest742233-21kworker/u8:1+flush-8:023:36:131
521889993225,5cyclictest742233-21kworker/u8:1+events_unbound23:56:101
521889993225,5cyclictest643595-21kworker/u8:1+flush-8:022:26:241
521889993225,5cyclictest549324-21cpuspeed_turbos19:36:111
521889993225,5cyclictest280-21systemd-journal22:56:101
521887993224,6cyclictest619392-21grep20:46:120
52188799321,29cyclictest653290-21kworker/0:2+events21:40:010
5215272324,9sleep20-21swapper/219:07:342
5215272324,9sleep20-21swapper/219:07:342
521893993127,2cyclictest717975-21aten2_r5power_c22:26:102
521893993127,2cyclictest564458-21fschecks_time19:51:112
521889993127,3cyclictest727576-21kworker/u8:0+flush-8:022:45:411
521889993123,6cyclictest702767-21latency_hist22:10:011
521887993110,19cyclictest702786-21kworker/0:0+events22:11:190
521889993025,3cyclictest608807-21idleruntime-cro20:35:001
521889993024,4cyclictest479584-21kworker/u8:1+events_unbound20:26:211
521889993023,5cyclictest526799-21kworker/u8:2+flush-8:019:31:121
521889993020,5cyclictest618711-21basename20:45:001
521887993025,3cyclictest772787-21cpuspeed_turbos23:21:100
521887993010,18cyclictest673108-21kworker/0:0+events21:41:210
5170832303,6sleep00-21swapper/019:05:230
5170832303,6sleep00-21swapper/019:05:220
521889992925,3cyclictest657963-21kworker/u8:0+flush-8:021:41:281
521889992923,4cyclictest672130-21needreboot21:36:181
521889992923,4cyclictest543759-21apt-key19:30:011
521887992925,2cyclictest544076-21kworker/u8:0+events_unbound20:00:010
521887992923,4cyclictest821910-21cron00:09:590
521887992918,8cyclictest280-21systemd-journal21:35:010
52188799291,27cyclictest801866-21kworker/0:0+events00:26:210
521893992824,3cyclictest703013-21kworker/u8:3+flush-8:022:11:242
521889992824,3cyclictest742233-21kworker/u8:1+flush-8:022:51:251
521889992824,2cyclictest715179-21kthreadcore22:21:161
521889992824,2cyclictest0-21swapper/121:00:001
521889992822,4cyclictest727389-21unixbench_singl22:31:291
521889992822,4cyclictest643595-21kworker/u8:1+flush-8:021:21:181
521889992822,4cyclictest643595-21kworker/u8:1+flush-8:021:21:181
521889992820,6cyclictest526799-21kworker/u8:2+events_unbound21:16:261
521889992818,8cyclictest647461-21ntpq21:11:221
521887992823,3cyclictest584159-21cpuspeed_turbos20:11:110
521887992819,7cyclictest280-21systemd-journal23:34:370
521887992818,7cyclictest280-21systemd-journal19:11:110
52188799281,25cyclictest502236-21kworker/0:0+events19:31:210
521893992724,2cyclictest522479-21fschecks_time19:11:122
521893992723,2cyclictest574170-21aten2_r5power_v20:01:092
521889992722,4cyclictest657963-21kworker/u8:0+flush-8:021:46:271
521889992722,3cyclictest660722-21sed21:26:181
521889992720,5cyclictest707352-21unixbench_multi22:11:291
521889992720,5cyclictest544076-21kworker/u8:0+flush-8:021:06:211
52188799279,16cyclictest653290-21kworker/0:2+events21:46:290
52188799276,16cyclictest608542-21kworker/0:1+events21:01:010
521887992723,2cyclictest703013-21kworker/u8:3-events_unbound22:34:590
52188799272,23cyclictest502236-21kworker/0:0+events20:31:290
521887992722,3cyclictest0-21swapper/023:40:010
521887992719,6cyclictest280-21systemd-journal22:25:000
52188799270,25cyclictest702786-21kworker/0:0+events22:16:210
521893992623,2cyclictest599483-21fschecks_count20:26:122
521893992621,4cyclictest544076-21kworker/u8:0+flush-8:020:56:232
521893992620,4cyclictest752040-21unixbench_multi22:56:262
52188799268,16cyclictest777182-21kworker/0:1+events23:26:250
52188799268,16cyclictest777182-21kworker/0:1+events23:26:250
52188799263,21cyclictest742553-21kworker/0:2+events23:46:230
52188799262,23cyclictest0-21swapper/023:01:270
521887992621,3cyclictest553331-21unixbench_multi19:36:280
521893992522,2cyclictest837366-21fschecks_time00:26:122
521893992521,3cyclictest693387-21cpuspeed_turbos22:01:112
521893992518,5cyclictest757385-21turbostat.cron23:05:002
521893992518,5cyclictest280-21systemd-journal00:35:002
521889992518,5cyclictest782479-21cut23:31:101
52188799259,14cyclictest742553-21kworker/0:2+events23:41:150
521887992522,2cyclictest614809-21irqrtprio20:41:170
521887992517,6cyclictest280-21systemd-journal19:45:000
521887992514,9cyclictest0-21swapper/022:06:170
521887992514,8cyclictest280-21systemd-journal00:00:010
521893992419,4cyclictest807729-21kworker/u8:3+events_unbound23:56:232
521893992419,3cyclictest584150-21cpuspeed_turbos20:11:122
521889992420,2cyclictest0-21swapper/123:46:261
521889992419,3cyclictest0-21swapper/119:51:281
52188799248,15cyclictest653290-21kworker/0:2+events22:01:290
52188799248,14cyclictest836759-21kworker/0:1+events00:31:090
52188799245,17cyclictest502236-21kworker/0:0+events19:21:250
52188799242,21cyclictest0-21swapper/020:36:260
521887992419,4cyclictest738165-21cpuspeed_turbos22:46:110
521887992418,4cyclictest806809-21gpgv23:55:010
521887992417,5cyclictest280-21systemd-journal19:17:120
521893992316,5cyclictest816978-21cron00:05:002
521893992316,5cyclictest280-21systemd-journal21:06:092
52189399231,12cyclictest6841992grep21:51:162
52188799237,15cyclictest801866-21kworker/0:0+events00:20:290
52188799237,14cyclictest653290-21kworker/0:2+events21:51:210
52188799234,17cyclictest502236-21kworker/0:0+events20:00:070
52188799232,20cyclictest0-21swapper/021:11:270
52188799232,20cyclictest0-21swapper/021:06:260
52188799232,20cyclictest0-21swapper/019:26:260
521887992318,3cyclictest0-21swapper/020:26:280
521887992315,5cyclictest280-21systemd-journal23:15:100
5216282234,13sleep10-21swapper/119:08:531
5216282234,13sleep10-21swapper/119:08:531
6241782220,4sleep2371rcuc/220:51:102
52189399223,13cyclictest713031-21apt-get22:21:082
52189399222,14cyclictest708055-21apt-get22:16:092
521893992218,3cyclictest817549-21cpuspeed_turbos00:06:112
52188799227,14cyclictest608542-21kworker/0:1+events20:55:590
52188799225,15cyclictest742553-21kworker/0:2+events22:56:210
52188799224,16cyclictest608542-21kworker/0:1+events20:51:210
66723422112,5sleep30-21swapper/321:31:213
521893992117,3cyclictest526799-21kworker/u8:2+flush-8:019:15:052
521893992116,3cyclictest742877-21aten2_r5power_c22:51:102
521893992115,4cyclictest0-21swapper/220:20:032
521893992114,5cyclictest830870-21needreboot00:16:202
521893992112,6cyclictest280-21systemd-journal19:40:002
521887992115,4cyclictest759950-21kthreadcore23:06:160
521893992016,2cyclictest678588-21cpuspeed_turbos21:46:102
521893992016,2cyclictest663790-21fschecks_count21:31:122
521893992016,2cyclictest0-21swapper/200:36:222
521893992015,3cyclictest0-21swapper/220:20:002
521893992014,4cyclictest723429-21sort22:31:132
521893992012,6cyclictest767219-21turbostat.cron23:15:002
52188799203,16cyclictest653290-21kworker/0:2+events21:26:190
52189399195,2cyclictest0-21swapper/222:36:092
52189399192,12cyclictest757713-21apt-get23:06:092
521893991915,2cyclictest792381-21aten2_r5power_e23:41:112
521893991914,3cyclictest0-21swapper/223:55:012
521893991913,5cyclictest526799-21kworker/u8:2+flush-8:021:41:312
521893991913,4cyclictest781712-21unixbench_multi23:26:282
521893991913,4cyclictest781712-21unixbench_multi23:26:272
52189399190,3cyclictest6373201kthreadcore21:01:192
52189399190,15cyclictest733025-21apt-get22:41:092
5216822194,11sleep30-21swapper/319:09:363
5216822194,11sleep30-21swapper/319:09:363
52189399182,13cyclictest0-21swapper/219:40:022
521893991813,3cyclictest0-21swapper/219:30:032
521893991812,4cyclictest770426-21kthreadcore23:16:182
521893991812,4cyclictest738248-21grep22:46:132
521893991812,4cyclictest563754-21latency_hist19:50:012
521893991810,6cyclictest659542-21tr21:26:172
52189399177,8cyclictest698826-21sed22:06:152
521893991710,5cyclictest825330-21cut00:11:192
52189399168,6cyclictest649085-21awk21:16:152
52189399162,13cyclictest0-21swapper/223:23:562
52189399162,13cyclictest0-21swapper/220:34:562
521893991611,3cyclictest0-21swapper/219:21:172
6387522152,8sleep30-21swapper/321:06:093
7168782142,8sleep30-21swapper/322:21:253
7080292142,8sleep30-21swapper/322:16:073
6384022144,6sleep30-21swapper/321:05:003
8477862130,9sleep30-21swapper/300:36:163
8321152132,7sleep30-21swapper/300:21:073
8192612132,7sleep30-21swapper/300:06:183
8147902132,6sleep30-21swapper/300:01:173
7873452132,7sleep30-21swapper/323:36:093
7859982132,7sleep30-21swapper/323:31:193
7730642132,7sleep30-21swapper/323:21:163
7236152132,7sleep30-21swapper/322:31:163
6798922132,7sleep30-21swapper/321:46:183
6276652132,8sleep30-21swapper/320:51:193
6140612132,7sleep30-21swapper/320:41:093
5944392133,6sleep30-21swapper/320:21:143
5781562134,5sleep30-21swapper/320:01:283
5688402132,6sleep30-21swapper/319:55:023
5680162130,9sleep30-21swapper/319:51:253
5635632132,7sleep30-21swapper/319:49:593
8418542122,6sleep30-21swapper/300:30:013
8309172122,6sleep30-21swapper/300:16:223
8021672122,6sleep30-21swapper/323:51:103
7920112122,5sleep30-21swapper/323:40:013
7818602122,6sleep30-21swapper/323:27:103
7818602122,6sleep30-21swapper/323:27:103
7527572122,7sleep30-21swapper/323:01:103
7454642122,6sleep30-21swapper/322:51:183
7330862122,6sleep30-21swapper/322:41:113
7277302122,5sleep30-21swapper/322:35:013
7183192122,6sleep30-21swapper/322:26:143
7027512122,5sleep30-21swapper/322:10:013
7021992122,6sleep30-21swapper/322:06:283
6929182122,5sleep30-21swapper/322:00:023
6923602122,6sleep30-21swapper/321:56:293
6833472122,6sleep30-21swapper/321:51:113
6681452122,5sleep30-21swapper/321:35:013
6631482122,5sleep30-21swapper/321:30:003
6541932122,6sleep30-21swapper/321:21:183
6541932122,6sleep30-21swapper/321:21:183
6530002122,6sleep30-21swapper/321:17:003
6285772122,5sleep30-21swapper/320:55:013
6131422122,6sleep30-21swapper/320:36:263
6038462122,5sleep30-21swapper/320:30:013
5938272120,5sleep30-21swapper/320:20:013
5883012122,6sleep30-21swapper/320:12:203
5583252123,6sleep30-21swapper/319:41:303
5536762120,7sleep30-21swapper/319:40:013
5295062122,6sleep30-21swapper/319:16:143
5262432122,6sleep30-21swapper/319:11:283
8379482112,6sleep30-21swapper/300:26:173
8082402112,5sleep30-21swapper/323:56:153
7972262112,5sleep30-21swapper/323:46:083
7674492112,5sleep30-21swapper/323:15:023
7626212112,5sleep30-21swapper/323:11:093
7621732112,5sleep30-21swapper/323:08:203
7478282112,6sleep30-21swapper/322:56:073
7417502112,6sleep30-21swapper/322:46:253
6733352112,5sleep30-21swapper/321:40:323
6189322112,5sleep30-21swapper/320:45:023
5991882112,5sleep30-21swapper/320:26:083
5786422112,5sleep30-21swapper/320:05:013
5440462112,6sleep30-21swapper/319:30:223
5393562112,5sleep30-21swapper/319:26:133
5340352112,5sleep30-21swapper/319:21:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional