You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-20 - 14:26
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 376 highest latencies:
System rackcslot2.osadl.org (updated Tue May 20, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207127056,9sleep10-21swapper/119:05:091
68642690,0sleep00-21swapper/023:43:310
221682650,0sleep122170-21sed00:03:331
53126149,8sleep00-21swapper/019:03:130
2545994311,30cyclictest636-21nscd22:04:381
129082430,0sleep00-21swapper/022:27:440
254599330,9cyclictest0-21swapper/122:51:341
2544993010,0cyclictest0-21swapper/020:22:230
2544992910,1cyclictest0-21swapper/023:23:420
254599284,5cyclictest0-21swapper/122:54:081
2545992810,17cyclictest26496-21ssh21:20:111
254599280,9cyclictest16112-21diskmemload22:08:331
2544992828,0cyclictest0-21swapper/000:06:540
2544992810,4cyclictest0-21swapper/021:42:280
254599274,8cyclictest26799-21ssh23:28:261
254599273,23cyclictest0-21swapper/121:38:211
254599272,5cyclictest0-21swapper/123:08:261
2545992718,2cyclictest2542-21cyclictest20:53:271
254599270,9cyclictest0-21swapper/120:13:271
254599270,4cyclictest13391-21apache_processe22:28:241
2544992710,14cyclictest0-21swapper/022:54:550
254599260,25cyclictest12934-21ssh00:34:201
2544992625,1cyclictest0-21swapper/020:15:420
2544992610,12cyclictest0-21swapper/021:28:160
254599251,5cyclictest717-21snmpd00:19:511
254599251,4cyclictest0-21swapper/120:58:321
254599250,4cyclictest1111-21runrttasks20:01:291
254599250,24cyclictest0-21swapper/122:42:521
254599245,18cyclictest0-21swapper/121:52:291
2545992415,8cyclictest0-21swapper/121:28:331
2545992414,9cyclictest9665-21ssh00:30:191
2544992421,2cyclictest7-21ksoftirqd/023:23:110
2544992419,4cyclictest817-21apache222:13:150
2544992417,6cyclictest31690-21apache200:13:130
2545992318,2cyclictest717-21snmpd20:43:551
254599231,4cyclictest0-21swapper/100:16:131
2545992310,5cyclictest0-21swapper/120:18:251
2544992320,2cyclictest31690-21apache221:25:490
254499230,18cyclictest0-21swapper/021:48:340
254599226,9cyclictest0-21swapper/123:48:231
254599226,10cyclictest9276-21munin-run22:23:101
2545992217,4cyclictest31662-21apache223:02:111
2545992210,9cyclictest0-21swapper/122:43:431
2545992210,8cyclictest0-21swapper/119:28:241
2545992210,7cyclictest0-21swapper/121:13:221
2545992210,3cyclictest0-21swapper/123:13:271
2545992210,0cyclictest0-21swapper/100:00:251
254599220,19cyclictest0-21swapper/119:46:461
254499225,16cyclictest0-21swapper/021:33:300
2544992220,1cyclictest0-21swapper/022:44:280
254499220,1cyclictest17229-21ssh23:58:210
254499220,19cyclictest30646-21kworker/0:020:31:320
2443022210,1sleep00-21swapper/021:59:070
254599213,13cyclictest0-21swapper/100:27:211
2545992118,1cyclictest31662-21apache223:42:411
254599211,7cyclictest0-21swapper/119:18:241
2545992115,6cyclictest0-21swapper/120:24:061
254599211,3cyclictest0-21swapper/123:07:021
254599211,16cyclictest0-21swapper/121:25:281
254599211,14cyclictest0-21swapper/121:35:401
2545992110,7cyclictest0-21swapper/122:17:491
254499214,9cyclictest0-21swapper/019:13:220
2544992110,7cyclictest0-21swapper/023:53:220
2544992110,6cyclictest0-21swapper/021:18:250
2452122110,2sleep10-21swapper/123:24:021
676222010,0sleep00-21swapper/023:01:450
254599207,8cyclictest17908-21apache_accesses19:48:231
254599203,8cyclictest0-21swapper/119:08:291
2545992013,6cyclictest0-21swapper/123:34:021
254599201,18cyclictest0-21swapper/123:46:171
2545992010,9cyclictest0-21swapper/122:24:371
2545992010,4cyclictest0-21swapper/120:48:231
254499209,5cyclictest0-21swapper/023:13:300
254499206,5cyclictest16283-21kworker/u4:121:10:230
2544992019,1cyclictest31662-21apache200:18:560
2544992013,4cyclictest0-21swapper/020:48:290
2544992012,4cyclictest0-21swapper/022:43:000
254499201,18cyclictest28743-21ssh22:48:240
2544992010,5cyclictest0-21swapper/021:16:220
2544992010,5cyclictest0-21swapper/019:28:220
2544992010,4cyclictest12347-21needreboot23:08:300
2544992010,3cyclictest0-21swapper/023:33:400
254499200,3cyclictest28092-21ssh22:03:580
254599193,9cyclictest2690-21perf20:33:101
2545991919,0cyclictest31662-21apache221:11:521
2545991919,0cyclictest0-21swapper/123:18:561
2545991919,0cyclictest0-21swapper/119:55:031
2545991919,0cyclictest0-21swapper/119:55:031
2545991913,5cyclictest2542-21cyclictest20:08:241
2545991911,6cyclictest97850irq/107-eth1-rx21:47:261
2545991910,2cyclictest0-21swapper/122:36:391
2545991910,0cyclictest0-21swapper/121:53:211
254599190,12cyclictest0-21swapper/119:13:271
2544991917,2cyclictest0-21swapper/000:27:370
2544991911,4cyclictest0-21swapper/021:44:490
2544991911,3cyclictest0-21swapper/022:37:410
2544991910,5cyclictest0-21swapper/000:28:260
2544991910,4cyclictest29621-21sshd23:31:450
2544991910,4cyclictest0-21swapper/022:20:300
2544991910,3cyclictest0-21swapper/020:53:270
2544991910,2cyclictest0-21swapper/019:23:250
254499190,19cyclictest30646-21kworker/0:020:12:400
254499190,17cyclictest30646-21kworker/0:022:13:080
1233721910,0sleep00-21swapper/023:51:210
1117921910,0sleep00-21swapper/000:33:200
254599182,10cyclictest0-21swapper/121:03:251
2545991811,3cyclictest25031-21hwlatdetect00:08:271
2545991810,4cyclictest0-21swapper/119:33:291
254499185,4cyclictest0-21swapper/023:03:280
254499183,7cyclictest2041-21apache_processe23:38:220
2544991810,6cyclictest0-21swapper/020:58:270
2544991810,4cyclictest0-21swapper/019:33:330
2544991810,4cyclictest0-21swapper/019:18:250
2544991810,4cyclictest0-21swapper/019:08:210
254599171,8cyclictest6043-21/usr/sbin/munin20:38:311
2545991714,2cyclictest22861-21sh21:58:241
2545991710,3cyclictest0-21swapper/120:03:271
2545991710,2cyclictest0-21swapper/123:54:061
254499173,9cyclictest0-21swapper/019:58:260
254499172,9cyclictest0-21swapper/021:03:330
2544991716,1cyclictest2542-21cyclictest22:31:110
2544991712,2cyclictest31662-21apache221:56:120
2544991710,3cyclictest0-21swapper/020:03:230
2544991710,0cyclictest0-21swapper/000:10:130
2149921710,1sleep00-21swapper/019:57:340
2149921710,1sleep00-21swapper/019:57:340
254599165,8cyclictest0-21swapper/119:38:501
2545991610,1cyclictest0-21swapper/120:33:291
2544991610,4cyclictest0-21swapper/020:34:150
2544991610,3cyclictest0-21swapper/020:38:480
2544991610,2cyclictest717-21snmpd19:38:110
2544991610,0cyclictest0-21swapper/020:45:310
254499160,5cyclictest0-21swapper/019:48:250
973121510,0sleep10-21swapper/119:24:421
254499148,5cyclictest31690-21apache219:43:310
254499146,3cyclictest0-21swapper/020:23:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional