You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-09 - 02:51

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 #3, slot #6

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
  
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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot6s.osadl.org (updated Thu Apr 09, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4388211089,16sleep00-21swapper/019:07:400
3246210985,16sleep30-21swapper/319:05:133
4467210786,16sleep20-21swapper/219:08:422
2774210178,15sleep10-21swapper/119:05:121
30132700,0sleep2301ktimersoftd/221:58:182
462199251,18cyclictest0-21swapper/122:15:111
462199201,2cyclictest0-21swapper/123:30:111
71032190,0sleep00-21swapper/022:01:520
462299190,17cyclictest0-21swapper/220:25:122
462299180,3cyclictest0-21swapper/222:49:042
462299180,3cyclictest0-21swapper/222:27:042
195562180,0sleep10-21swapper/123:55:451
4623991714,2cyclictest2976-21kworker/u8:321:28:043
4623991714,2cyclictest2125-21kworker/u8:020:38:043
462299172,2cyclictest0-21swapper/220:12:042
4622991714,2cyclictest13403-21kworker/u8:100:11:032
462299170,3cyclictest0-21swapper/220:52:042
462299170,3cyclictest0-21swapper/200:25:042
462199171,14cyclictest16350-21head19:36:031
462399162,2cyclictest22077-21ssh23:59:043
4622991613,2cyclictest9372-21kworker/u8:221:05:032
4622991613,2cyclictest6356-21kworker/u8:120:49:042
4622991613,2cyclictest3696-21kworker/u8:223:20:032
4622991613,2cyclictest2976-21kworker/u8:321:29:042
4622991613,2cyclictest29562-21kworker/u8:220:18:032
4622991613,2cyclictest17694-21kworker/u8:121:52:052
4622991613,2cyclictest12357-21kworker/u8:100:38:032
4622991613,2cyclictest10494-21kworker/u8:019:46:042
4622991613,2cyclictest10494-21kworker/u8:019:30:042
4622991613,2cyclictest10494-21kworker/u8:019:29:042
462199161,7cyclictest0-21swapper/122:37:591
4621991612,2cyclictest11696-21munin-node1
462099161,13cyclictest0-21swapper/021:50:140
462399151,3cyclictest26170-21diskstats21:15:143
4623991512,2cyclictest2976-21kworker/u8:321:43:043
462399150,12cyclictest0-21swapper/322:58:583
4622991512,2cyclictest31065-21kworker/u8:023:03:042
4622991512,2cyclictest29562-21kworker/u8:220:33:042
4622991512,2cyclictest25163-21kworker/u8:020:02:012
4622991512,2cyclictest14553-21kworker/u8:123:11:042
4622991512,2cyclictest13403-21kworker/u8:100:07:042
4622991512,2cyclictest12982-21kworker/u8:119:41:042
462199159,4cyclictest0-21swapper/123:45:141
462199152,2cyclictest0-21swapper/122:50:181
462199152,11cyclictest0-21swapper/123:20:191
462199151,3cyclictest4262-21http_loadtime23:40:131
4621991512,2cyclictest221ktimersoftd/100:12:181
462199150,13cyclictest0-21swapper/100:22:281
462099151,12cyclictest11-21rcuc/023:17:250
462099151,12cyclictest0-21swapper/022:40:000
462099150,13cyclictest20595-21diskmemload22:25:390
4623991411,2cyclictest3083-21kworker/u8:022:35:043
4623991411,2cyclictest1916-21kworker/u8:023:39:043
4623991411,2cyclictest16747-21kworker/u8:123:22:043
462399140,2cyclictest0-21swapper/320:45:173
462399140,2cyclictest0-21swapper/320:05:173
462399140,12cyclictest0-21swapper/323:08:073
4622991411,2cyclictest9372-21kworker/u8:221:03:042
4622991411,2cyclictest6356-21kworker/u8:120:42:032
4622991411,2cyclictest4532-21kworker/u8:219:20:042
4622991411,2cyclictest25163-21kworker/u8:020:05:042
4622991411,2cyclictest24439-21kworker/u8:000:02:042
4622991411,2cyclictest19515-21kworker/u8:222:57:032
4622991411,2cyclictest18016-21kworker/u8:200:32:012
4622991411,2cyclictest16747-21kworker/u8:123:27:042
4622991411,2cyclictest13814-21kworker/u8:021:19:042
4622991411,2cyclictest13403-21kworker/u8:123:53:042
4622991411,2cyclictest12982-21kworker/u8:119:52:042
4622991411,2cyclictest12982-21kworker/u8:119:38:012
4622991411,2cyclictest12808-21kworker/u8:021:40:042
4622991411,2cyclictest0-21swapper/223:34:522
4622991411,2cyclictest0-21swapper/221:35:322
462299140,2cyclictest0-21swapper/223:16:522
462299140,12cyclictest0-21swapper/222:52:142
462299140,12cyclictest0-21swapper/200:16:002
462199143,9cyclictest0-21swapper/121:16:031
462199143,9cyclictest0-21swapper/119:56:021
462199143,9cyclictest0-21swapper/119:56:021
462199142,10cyclictest0-21swapper/122:30:191
462199142,10cyclictest0-21swapper/100:15:381
4621991411,2cyclictest221ktimersoftd/123:00:471
462199141,12cyclictest221ktimersoftd/121:20:281
462199141,11cyclictest0-21swapper/121:27:271
4621991410,2cyclictest0-21swapper/123:35:121
462199140,13cyclictest21-21rcuc/122:04:581
462199140,13cyclictest0-21swapper/123:05:181
462199140,13cyclictest0-21swapper/100:25:581
462199140,12cyclictest20595-21diskmemload22:20:001
462199140,12cyclictest0-21swapper/123:15:151
462199140,12cyclictest0-21swapper/119:31:011
462199140,11cyclictest23-21ksoftirqd/121:59:081
462099142,10cyclictest11-21rcuc/023:26:480
4620991411,2cyclictest9-21ksoftirqd/021:45:030
4620991411,2cyclictest11-21rcuc/023:48:370
462099141,11cyclictest0-21swapper/000:10:020
4620991410,2cyclictest0-21swapper/019:15:170
462099140,2cyclictest101ktimersoftd/023:30:140
462099140,13cyclictest0-21swapper/022:50:290
462099140,12cyclictest0-21swapper/022:40:260
243522141,3sleep324362-21ssh23:27:223
190142140,0sleep30-21swapper/300:29:383
462399139,2cyclictest3728-21runrttasks19:35:163
462399138,3cyclictest21798-21ssh00:31:273
4623991310,2cyclictest11586-21apt-get23:15:063
4623991310,2cyclictest10494-21kworker/u8:019:28:043
4623991310,2cyclictest0-21swapper/323:51:173
4623991310,2cyclictest0-21swapper/323:33:173
4623991310,2cyclictest0-21swapper/322:48:173
4623991310,2cyclictest0-21swapper/322:19:173
4623991310,2cyclictest0-21swapper/322:05:143
4623991310,2cyclictest0-21swapper/319:55:133
4623991310,2cyclictest0-21swapper/319:55:133
4623991310,2cyclictest0-21swapper/319:30:163
462399130,2cyclictest0-21swapper/323:11:083
462399130,2cyclictest0-21swapper/322:24:573
462399130,2cyclictest0-21swapper/300:06:383
462399130,12cyclictest0-21swapper/323:01:473
462399130,12cyclictest0-21swapper/319:11:013
462399130,11cyclictest0-21swapper/321:24:273
462299132,10cyclictest0-21swapper/219:12:052
4622991310,2cyclictest12982-21kworker/u8:119:58:012
4622991310,2cyclictest12982-21kworker/u8:119:58:012
4622991310,2cyclictest12773-21ssh00:22:232
4622991310,2cyclictest0-21swapper/223:36:042
462299130,2cyclictest0-21swapper/223:48:512
462299130,2cyclictest0-21swapper/223:05:422
462299130,2cyclictest0-21swapper/222:43:432
462299130,2cyclictest0-21swapper/222:15:522
462299130,2cyclictest0-21swapper/222:10:232
462299130,2cyclictest0-21swapper/221:45:222
462299130,12cyclictest0-21swapper/223:42:022
462299130,12cyclictest0-21swapper/222:36:052
462299130,12cyclictest0-21swapper/222:05:232
462199139,2cyclictest0-21swapper/121:45:191
462199133,8cyclictest4682-21munin-node1
462199133,8cyclictest23018-21basename00:00:111
462199133,6cyclictest0-21swapper/123:11:161
462199133,2cyclictest0-21swapper/120:15:131
462199132,9cyclictest0-21swapper/121:00:121
462199132,9cyclictest0-21swapper/120:40:121
462199132,9cyclictest0-21swapper/119:20:001
462199131,3cyclictest0-21swapper/120:35:121
462199131,10cyclictest20595-21diskmemload21:36:001
462199131,10cyclictest0-21swapper/122:05:491
462199131,10cyclictest0-21swapper/120:11:021
462199131,10cyclictest0-21swapper/119:40:121
4621991310,2cyclictest0-21swapper/121:44:081
4621991310,2cyclictest0-21swapper/119:25:111
4621991310,2cyclictest0-21swapper/119:20:171
462199130,2cyclictest0-21swapper/123:29:381
462199130,2cyclictest0-21swapper/122:57:581
462199130,2cyclictest0-21swapper/122:11:011
462199130,1cyclictest0-21swapper/100:05:181
462199130,12cyclictest0-21swapper/121:50:381
462199130,11cyclictest0-21swapper/121:05:381
462099138,3cyclictest0-21swapper/000:35:020
462099131,2cyclictest11-21rcuc/021:23:500
462099131,1cyclictest0-21swapper/000:02:590
462099131,11cyclictest11-21rcuc/022:47:370
462099131,11cyclictest11-21rcuc/022:20:200
4620991310,2cyclictest9-21ksoftirqd/023:36:580
4620991310,2cyclictest9-21ksoftirqd/022:55:210
4620991310,2cyclictest11-21rcuc/022:10:500
4620991310,2cyclictest0-21swapper/021:40:200
4620991310,2cyclictest0-21swapper/021:35:100
4620991310,2cyclictest0-21swapper/021:28:260
462099130,3cyclictest0-21swapper/000:23:330
462099130,2cyclictest23273-21ssh21:11:390
462099130,12cyclictest9-21ksoftirqd/000:17:400
462099130,12cyclictest0-21swapper/023:24:290
462099130,12cyclictest0-21swapper/023:13:480
462099130,12cyclictest0-21swapper/023:07:290
462099130,12cyclictest0-21swapper/022:31:490
462099130,11cyclictest11-21rcuc/021:15:490
462099130,11cyclictest0-21swapper/023:51:210
462099130,11cyclictest0-21swapper/021:55:230
321182130,2sleep00-21swapper/023:01:420
187712130,1sleep0101ktimersoftd/000:29:140
462399129,2cyclictest9715-21ssh23:45:273
462399129,2cyclictest0-21swapper/322:13:073
462399129,2cyclictest0-21swapper/321:47:583
462399129,2cyclictest0-21swapper/321:30:073
462399129,2cyclictest0-21swapper/321:10:483
462399129,2cyclictest0-21swapper/300:20:283
462399127,3cyclictest20595-21diskmemload22:41:023
462399120,2cyclictest7106-21ssh00:16:023
462399120,2cyclictest0-21swapper/322:50:113
462399120,2cyclictest0-21swapper/322:01:373
462399120,2cyclictest0-21swapper/321:55:143
462399120,11cyclictest0-21swapper/323:42:283
462399120,11cyclictest0-21swapper/322:30:263
462399120,11cyclictest0-21swapper/321:50:473
462399120,11cyclictest0-21swapper/321:35:273
462399120,11cyclictest0-21swapper/320:10:123
462399120,11cyclictest0-21swapper/319:45:133
462399120,11cyclictest0-21swapper/300:00:083
462399120,10cyclictest0-21swapper/300:14:083
462299129,2cyclictest0-21swapper/223:55:242
462299129,2cyclictest0-21swapper/222:32:452
462299129,2cyclictest0-21swapper/222:00:042
462299129,2cyclictest0-21swapper/221:20:042
462299120,2cyclictest0-21swapper/222:20:162
462299120,2cyclictest0-21swapper/221:31:262
462299120,11cyclictest20595-21diskmemload21:12:472
462199129,2cyclictest0-21swapper/122:45:341
462199129,2cyclictest0-21swapper/100:32:021
462199127,3cyclictest30157-21cut22:25:521
462199127,3cyclictest20963-21munin-node1
462199127,3cyclictest0-21swapper/121:10:151
462199127,3cyclictest0-21swapper/100:35:181
462199124,2cyclictest0-21swapper/123:50:131
462199122,8cyclictest0-21swapper/119:11:021
462199121,9cyclictest21-21rcuc/120:55:121
462199121,9cyclictest0-21swapper/120:05:171
462199121,9cyclictest0-21swapper/120:00:121
462199121,2cyclictest0-21swapper/121:30:101
462199120,2cyclictest0-21swapper/120:45:121
462199120,11cyclictest0-21swapper/120:50:051
462099129,2cyclictest0-21swapper/023:55:560
462099129,2cyclictest0-21swapper/021:05:100
462099129,2cyclictest0-21swapper/020:10:130
462099129,2cyclictest0-21swapper/000:31:360
4620991210,1cyclictest0-21swapper/022:15:090
462099120,2cyclictest0-21swapper/023:41:450
462099120,2cyclictest0-21swapper/022:05:160
462099120,2cyclictest0-21swapper/021:30:340
462099120,2cyclictest0-21swapper/000:06:010
462099120,11cyclictest0-21swapper/020:30:130
462099120,11cyclictest0-21swapper/020:20:120
462099120,11cyclictest0-21swapper/019:20:170
462099120,11cyclictest0-21swapper/019:10:110
165102120,2sleep00-21swapper/020:59:280
462399118,2cyclictest13814-21kworker/u8:020:58:013
462399118,2cyclictest0-21swapper/319:15:133
462399118,2cyclictest0-21swapper/300:36:123
462399112,6cyclictest0-21swapper/320:31:593
462399112,6cyclictest0-21swapper/320:20:023
462399111,7cyclictest4562-21gdm-simple-gree19:22:593
462399111,5cyclictest10672-21taskset20:45:013
462399110,2cyclictest0-21swapper/319:40:143
462399110,10cyclictest9372-21kworker/u8:220:53:043
462399110,10cyclictest0-21swapper/322:27:283
462299112,6cyclictest0-21swapper/219:17:022
462299111,7cyclictest0-21swapper/220:21:592
462299110,8cyclictest0-21swapper/220:35:592
462199118,2cyclictest0-21swapper/120:27:281
462199116,3cyclictest18958-21munin-node1
462199110,9cyclictest0-21swapper/120:20:121
462099118,2cyclictest0-21swapper/019:41:000
462099116,3cyclictest0-21swapper/020:50:060
462099112,7cyclictest0-21swapper/021:05:000
462099112,6cyclictest0-21swapper/020:48:590
462099112,6cyclictest0-21swapper/019:30:000
462099112,6cyclictest0-21swapper/019:28:590
462099111,7cyclictest0-21swapper/019:36:020
462399107,2cyclictest29562-21kworker/u8:220:29:043
462399105,3cyclictest16814-21aten2.4_r3power21:00:113
462399102,6cyclictest0-21swapper/319:51:023
462399101,7cyclictest0-21swapper/320:16:593
462299100,2cyclictest0-21swapper/220:55:112
462099105,3cyclictest3663-21mailstats20:26:010
462099105,3cyclictest21202-21tr19:50:110
462099100,9cyclictest0-21swapper/019:48:270
462099100,6cyclictest0-21swapper/020:16:000
46239996,2cyclictest0-21swapper/320:00:143
46239994,3cyclictest19586-21missed_timers21:05:153
46209994,3cyclictest9739-21pzem_energy20:40:290
46209994,3cyclictest6691-21munin-node0
46209994,3cyclictest23406-21fschecks_count19:55:130
46209994,3cyclictest23406-21fschecks_count19:55:130
28514290,2sleep00-21swapper/020:07:490
46209983,3cyclictest249912sleep020:00:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional