You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-03-22 - 11:02

x86 Intel Celeron G1620 @2700 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of system in rack #9, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 100, highest latencies:
System rack9slot5.osadl.org (updated Wed Mar 22, 2023 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200242960,0sleep120021-21x2gosqlitewrapp21:13:451
6592770,0sleep0657-21x2gosqlitewrapp20:00:200
65292510,1sleep06526-21x2gosqlitewrapp20:41:270
274112460,0sleep00-21swapper/022:04:280
20212460,0sleep10-21swapper/119:18:031
231962450,1sleep10-21swapper/120:53:401
119212440,0sleep10-21swapper/118:44:571
125122390,1sleep10-21swapper/119:32:291
263542380,0sleep10-21swapper/122:49:361
264599200,1rtkit-daemon2644-21rtkit-daemon18:33:350
308662196,9sleep10-21swapper/118:27:221
299652182,4sleep00-21swapper/018:24:480
264599180,1rtkit-daemon2644-21rtkit-daemon23:07:351
6812160,0sleep10-21swapper/122:54:221
3144699150,1cyclictest6315-21x2gosqlitewrapp18:38:381
264599150,1rtkit-daemon2644-21rtkit-daemon18:28:341
31446991411,2cyclictest16954-21x2gosqlitewrapp21:11:491
3144699140,13cyclictest0-21swapper/121:21:291
31445991412,1cyclictest8677-21x2gocleansessio21:51:480
3144599140,13cyclictest0-21swapper/021:04:380
264599140,1rtkit-daemon2644-21rtkit-daemon23:54:351
264599140,1rtkit-daemon2644-21rtkit-daemon23:29:070
264599140,1rtkit-daemon2644-21rtkit-daemon22:27:280
264599140,1rtkit-daemon2644-21rtkit-daemon18:36:141
3144699130,13cyclictest0-21swapper/121:31:491
3144699130,0cyclictest0-21swapper/121:37:191
31445991313,0cyclictest0-21swapper/022:47:090
31445991312,1cyclictest0-21swapper/021:09:280
31445991312,0cyclictest0-21swapper/023:41:190
3144599130,13cyclictest0-21swapper/023:21:390
3144599130,13cyclictest0-21swapper/023:16:290
3144599130,13cyclictest0-21swapper/021:41:080
3144599130,13cyclictest0-21swapper/021:19:280
3144599130,0cyclictest0-21swapper/021:30:080
31446991212,0cyclictest24145-21ssh21:39:091
31446991212,0cyclictest0-21swapper/123:48:191
31446991212,0cyclictest0-21swapper/122:32:591
31446991212,0cyclictest0-21swapper/122:08:591
31446991212,0cyclictest0-21swapper/122:03:491
31446991212,0cyclictest0-21swapper/120:13:491
31446991212,0cyclictest0-21swapper/119:34:081
31446991210,1cyclictest1860-21runrttasks21:53:091
3144699120,12cyclictest0-21swapper/123:34:091
3144699120,12cyclictest0-21swapper/120:51:091
3144699120,12cyclictest0-21swapper/120:31:291
3144699120,0cyclictest0-21swapper/123:19:391
3144699120,0cyclictest0-21swapper/121:58:391
31445991212,0cyclictest0-21swapper/023:46:090
31445991212,0cyclictest0-21swapper/019:48:580
31445991212,0cyclictest0-21swapper/019:06:280
3144599120,12cyclictest0-21swapper/023:36:290
3144599120,12cyclictest0-21swapper/018:57:080
3144599120,0cyclictest0-21swapper/023:11:390
3144599120,0cyclictest0-21swapper/022:42:190
3144599120,0cyclictest0-21swapper/021:57:180
3144599120,0cyclictest0-21swapper/021:35:380
3144599120,0cyclictest0-21swapper/020:59:280
3144599120,0cyclictest0-21swapper/018:44:180
264599120,8rtkit-daemon0-21swapper/018:28:270
246702120,0sleep00-21swapper/020:31:270
31446991111,0cyclictest0-21swapper/123:24:291
31446991111,0cyclictest0-21swapper/123:09:591
31446991111,0cyclictest0-21swapper/122:25:591
31446991111,0cyclictest0-21swapper/120:25:391
3144699110,11cyclictest0-21swapper/121:47:591
3144699110,11cyclictest0-21swapper/119:51:381
31445991111,0cyclictest0-21swapper/023:06:290
31445991111,0cyclictest0-21swapper/022:29:490
31445991111,0cyclictest0-21swapper/020:26:480
31445991111,0cyclictest0-21swapper/020:11:280
31445991111,0cyclictest0-21swapper/019:35:480
31445991111,0cyclictest0-21swapper/019:23:180
3144599110,0cyclictest0-21swapper/021:46:380
264599110,1rtkit-daemon2644-21rtkit-daemon20:40:471
264599110,1rtkit-daemon22291-21x2golistsession19:44:570
3144699108,1cyclictest9735-21x2golistsession21:06:391
31446991010,0cyclictest0-21swapper/122:13:491
31446991010,0cyclictest0-21swapper/121:26:191
31446991010,0cyclictest0-21swapper/120:02:191
3144599107,2cyclictest21142-21x2gosqlitewrapp18:58:480
31445991010,0cyclictest0-21swapper/021:24:380
31445991010,0cyclictest0-21swapper/020:53:180
31445991010,0cyclictest0-21swapper/020:05:280
31445991010,0cyclictest0-21swapper/019:56:080
264599100,1rtkit-daemon21516-21x2golistsession22:46:401
264599100,1rtkit-daemon1376-21/usr/sbin/munin23:14:321
264599100,1rtkit-daemon1353-21x2gocleansessio23:03:030
314469999,0cyclictest0-21swapper/123:38:391
314469999,0cyclictest0-21swapper/123:29:191
314469999,0cyclictest0-21swapper/122:41:391
314469999,0cyclictest0-21swapper/120:45:591
314469999,0cyclictest0-21swapper/120:35:591
314469999,0cyclictest0-21swapper/119:57:291
314459999,0cyclictest0-21swapper/023:26:290
314459999,0cyclictest0-21swapper/022:57:090
314459999,0cyclictest0-21swapper/022:51:590
314459999,0cyclictest0-21swapper/022:37:090
314459999,0cyclictest0-21swapper/022:13:090
314459999,0cyclictest0-21swapper/020:15:580
26459990,1rtkit-daemon2644-21rtkit-daemon22:37:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional