You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-24 - 15:07
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, lowest P state: performance
Characteristics of the highest latencies:
System rackcslot2.osadl.org (updated Mon Nov 24, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1866326754,8sleep00-21swapper/007:02:410
1729326653,8sleep10-21swapper/107:01:481
19236994010,4cyclictest0-21swapper/110:21:391
19236993410,3cyclictest0-21swapper/107:08:181
19235993310,15cyclictest0-21swapper/009:53:460
1923699281,26cyclictest0-21swapper/107:46:581
19235992810,2cyclictest0-21swapper/009:48:320
19236992723,3cyclictest1111-21runrttasks11:33:511
19236992722,4cyclictest29075-21apache209:28:561
19236992721,3cyclictest29047-21apache209:36:021
19236992710,4cyclictest0-21swapper/111:09:051
1923599270,22cyclictest20175-21ssh12:19:420
19236992610,8cyclictest0-21swapper/109:25:231
19235992625,0cyclictest0-21swapper/010:17:450
1923699258,16cyclictest27451-21kworker/1:210:48:331
19236992510,12cyclictest0-21swapper/112:11:561
1923599251,20cyclictest0-21swapper/009:42:320
19235992510,6cyclictest0-21swapper/011:47:040
19235992510,11cyclictest0-21swapper/012:09:170
19236992424,0cyclictest0-21swapper/109:00:021
19236992420,3cyclictest636-21nscd10:10:091
19236992420,3cyclictest231ktimersoftd/110:14:561
1923699235,12cyclictest0-21swapper/107:22:041
19236992310,9cyclictest97750irq/106-eth1-rx09:40:421
19236992310,12cyclictest0-21swapper/111:48:521
1923699230,2cyclictest0-21swapper/112:22:331
1923699230,23cyclictest0-21swapper/109:09:351
1923599235,18cyclictest0-21swapper/012:00:310
1923599235,12cyclictest0-21swapper/007:56:580
1923599233,14cyclictest0-21swapper/008:11:560
19235992323,0cyclictest0-21swapper/007:10:000
19235992315,1cyclictest19232-21cyclictest10:56:240
1923599230,13cyclictest0-21swapper/009:06:570
1923599230,0cyclictest24371-21/usr/sbin/munin11:42:060
1923699222,12cyclictest0-21swapper/109:02:041
19236992221,1cyclictest29047-21apache210:43:221
19236992220,1cyclictest29047-21apache210:27:251
19236992210,0cyclictest0-21swapper/110:54:141
1923699220,2cyclictest9977-21ls12:06:451
19235992218,2cyclictest0-21swapper/010:05:080
1923599221,0cyclictest710-21diskmemload11:37:330
19235992210,5cyclictest0-21swapper/010:31:570
1923699214,13cyclictest0-21swapper/107:42:001
1923699213,13cyclictest0-21swapper/111:46:341
19236992118,2cyclictest29075-21apache209:21:121
19236992115,4cyclictest5029-21proc_pri11:17:031
19236992112,7cyclictest98050irq/109-eth1-tx10:31:581
19236992111,5cyclictest29075-21apache210:04:411
19236992110,6cyclictest0-21swapper/111:26:581
19236992110,5cyclictest0-21swapper/107:27:001
19236992110,4cyclictest0-21swapper/112:16:571
19236992110,4cyclictest0-21swapper/109:44:481
19236992110,4cyclictest0-21swapper/108:01:591
19236992110,3cyclictest0-21swapper/112:01:361
1923599213,11cyclictest13494-21ls09:22:020
19235992121,0cyclictest0-21swapper/011:53:460
19235992110,4cyclictest0-21swapper/011:32:000
1923599210,20cyclictest0-21swapper/010:12:150
1923599210,18cyclictest8423-21rm12:03:530
1208722110,0sleep00-21swapper/011:26:580
1923699204,12cyclictest0-21swapper/111:22:051
1923699203,13cyclictest0-21swapper/109:51:571
19236992020,0cyclictest0-21swapper/112:35:151
19236992019,1cyclictest29047-21apache212:08:371
19236992017,2cyclictest29047-21apache207:59:021
19236992013,7cyclictest0-21swapper/108:39:581
19236992010,7cyclictest0-21swapper/108:31:581
19236992010,7cyclictest0-21swapper/108:10:201
19236992010,5cyclictest0-21swapper/111:36:581
19236992010,4cyclictest0-21swapper/109:12:031
19236992010,3cyclictest0-21swapper/110:41:201
1923599201,8cyclictest22454-21ntp_kernel_err08:37:040
19235992017,2cyclictest817-21apache211:04:480
19235992017,1cyclictest29047-21apache210:37:140
19235992016,3cyclictest0-21swapper/007:32:340
19235992012,4cyclictest97750irq/106-eth1-rx09:56:550
19235992010,7cyclictest0-21swapper/010:24:050
19235992010,4cyclictest0-21swapper/010:27:300
1923599200,6cyclictest0-21swapper/010:58:060
172022010,1sleep00-21swapper/011:12:070
653921910,0sleep00-21swapper/009:12:280
1923699195,9cyclictest0-21swapper/111:11:581
1923699192,8cyclictest0-21swapper/110:25:091
1923699191,17cyclictest0-21swapper/110:57:541
19236991911,5cyclictest31746-21ls11:52:021
19236991911,3cyclictest0-21swapper/112:30:061
1923699191,11cyclictest0-21swapper/111:01:591
19236991910,3cyclictest0-21swapper/108:16:571
1923599198,5cyclictest0-21swapper/007:37:040
1923599195,7cyclictest0-21swapper/010:09:510
19235991919,0cyclictest0-21swapper/010:45:180
19235991915,1cyclictest27460-21apache_volume08:51:560
19235991914,4cyclictest19232-21cyclictest11:07:590
19235991910,5cyclictest0-21swapper/012:28:540
19235991910,4cyclictest0-21swapper/009:27:040
19235991910,3cyclictest0-21swapper/007:26:560
1923599190,2cyclictest5744-21kworker/u4:012:23:530
1923599190,14cyclictest0-21swapper/011:21:460
1923699185,4cyclictest636-21nscd09:46:461
1923699183,7cyclictest30893-21mandb07:36:441
19236991810,3cyclictest0-21swapper/108:46:541
19236991810,3cyclictest0-21swapper/107:37:001
1923599187,10cyclictest0-21swapper/008:56:550
1923599186,8cyclictest0-21swapper/008:46:550
1923599184,9cyclictest0-21swapper/007:51:560
1923599182,6cyclictest0-21swapper/009:17:050
19235991811,5cyclictest24573-21apache_accesses09:36:570
19235991810,6cyclictest0-21swapper/008:19:060
19235991810,5cyclictest0-21swapper/007:16:390
19235991810,4cyclictest0-21swapper/012:14:140
19235991810,4cyclictest0-21swapper/009:36:360
19235991810,3cyclictest0-21swapper/007:21:590
1923699174,6cyclictest0-21swapper/108:51:581
1923699172,7cyclictest0-21swapper/107:16:591
19236991715,1cyclictest231ktimersoftd/107:51:581
19236991710,3cyclictest0-21swapper/108:21:571
19236991710,1cyclictest0-21swapper/109:57:571
1923599174,7cyclictest0-21swapper/008:07:000
1923599173,8cyclictest0-21swapper/008:42:060
1923599171,7cyclictest0-21swapper/010:47:290
1923599171,6cyclictest0-21swapper/007:41:560
19235991710,4cyclictest0-21swapper/008:32:020
19235991710,2cyclictest0-21swapper/012:32:060
19235991710,1cyclictest0-21swapper/009:02:010
1917621710,0sleep00-21swapper/008:27:150
1923699162,7cyclictest25391-21perf08:46:451
19236991610,3cyclictest0-21swapper/107:12:011
19236991610,2cyclictest0-21swapper/108:27:021
19236991610,1cyclictest0-21swapper/108:16:091
1923599166,6cyclictest0-21swapper/008:22:030
19235991610,2cyclictest0-21swapper/007:47:000
19235991610,1cyclictest0-21swapper/011:16:450
19235991515,0cyclictest0-21swapper/007:17:370
19235991510,3cyclictest0-21swapper/008:03:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional