You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 10:21
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 100 highest latencies:
System rackcslot2.osadl.org (updated Tue Nov 18, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1658227967,7sleep00-21swapper/019:01:480
1808327159,8sleep10-21swapper/119:02:331
250552660,1sleep10-21swapper/123:07:011
18674993111,17cyclictest0-21swapper/021:09:570
1867599292,26cyclictest0-21swapper/123:54:281
1867599290,28cyclictest21295-21kworker/1:223:17:311
247322810,2sleep10-21swapper/100:04:071
1867599280,1cyclictest0-21swapper/122:04:471
1867499284,23cyclictest0-21swapper/023:30:090
18674992827,1cyclictest7-21ksoftirqd/019:16:420
1867499280,1cyclictest0-21swapper/000:07:060
1867499280,0cyclictest0-21swapper/023:49:140
1867599270,3cyclictest0-21swapper/123:27:261
18675992618,6cyclictest32278-21diskmemload22:12:051
18675992610,6cyclictest0-21swapper/119:17:051
18675992518,5cyclictest6862-21apache223:34:501
1867599250,24cyclictest0-21swapper/120:44:561
1867499256,18cyclictest0-21swapper/023:41:500
1867499252,22cyclictest0-21swapper/000:33:490
18674992521,3cyclictest6862-21apache223:06:080
18674992515,5cyclictest817-21apache219:33:400
1867599244,2cyclictest0-21swapper/121:17:001
18675992418,5cyclictest6862-21apache219:57:091
18675992414,3cyclictest636-21nscd22:31:571
18674992424,0cyclictest0-21swapper/021:36:200
18674992421,2cyclictest6836-21apache221:25:350
18674992418,5cyclictest18540-21snmpd23:34:210
18674992412,8cyclictest3605-21kworker/u4:022:25:380
18674992410,7cyclictest0-21swapper/021:48:520
18674992410,0cyclictest0-21swapper/023:52:110
1867499240,1cyclictest1141-21sshd19:43:070
1867599233,20cyclictest0-21swapper/123:49:511
18675992323,0cyclictest0-21swapper/122:08:211
18675992310,4cyclictest0-21swapper/121:26:591
18674992317,5cyclictest6862-21apache200:04:550
18674992314,7cyclictest27742-1kworker/u5:223:17:570
18674992310,0cyclictest0-21swapper/019:41:230
1867599228,10cyclictest231ktimersoftd/121:43:311
1867599225,12cyclictest0-21swapper/100:12:021
18675992222,0cyclictest0-21swapper/100:34:011
18675992212,7cyclictest18540-21snmpd23:14:301
1867599220,21cyclictest0-21swapper/100:18:531
1867499225,8cyclictest0-21swapper/020:27:040
1867499223,15cyclictest0-21swapper/022:57:050
1867499220,19cyclictest0-21swapper/021:41:330
1886622110,0sleep10-21swapper/100:27:051
1867599212,9cyclictest0-21swapper/120:02:011
18675992121,0cyclictest0-21swapper/123:04:071
18675992118,1cyclictest6836-21apache223:59:111
1867599211,7cyclictest0-21swapper/122:28:211
18675992110,5cyclictest0-21swapper/121:52:291
18675992110,3cyclictest0-21swapper/122:22:051
1867599210,5cyclictest0-21swapper/123:40:541
1867499214,13cyclictest0-21swapper/022:32:020
1867499214,13cyclictest0-21swapper/020:22:100
1867499214,12cyclictest0-21swapper/019:56:590
1867499213,15cyclictest0-21swapper/022:08:240
18674992110,4cyclictest0-21swapper/021:20:540
18674992110,4cyclictest0-21swapper/021:14:110
18674992110,4cyclictest0-21swapper/000:22:100
18674992110,2cyclictest0-21swapper/021:55:050
1867499210,11cyclictest20202-21seq22:17:000
666822010,0sleep10-21swapper/121:57:371
1867599207,9cyclictest32278-21diskmemload21:08:251
1867599206,5cyclictest18540-21snmpd21:15:431
1867599206,14cyclictest0-21swapper/122:19:001
18675992018,1cyclictest6862-21apache222:40:231
18675992012,3cyclictest18672-21cyclictest00:22:581
18675992010,6cyclictest0-21swapper/120:52:041
18675992010,6cyclictest0-21swapper/119:22:011
18675992010,4cyclictest0-21swapper/121:06:051
18675992010,1cyclictest0-21swapper/121:47:021
1867499206,10cyclictest0-21swapper/000:12:070
18674992018,1cyclictest0-21swapper/022:37:590
18674992016,3cyclictest11357-21/usr/sbin/munin20:12:000
18674992016,2cyclictest0-21swapper/020:19:370
18674992010,7cyclictest0-21swapper/019:56:470
18674992010,6cyclictest0-21swapper/023:12:580
18674992010,6cyclictest0-21swapper/020:53:080
2641821910,0sleep00-21swapper/023:07:590
1867599195,7cyclictest0-21swapper/122:47:051
1867599195,6cyclictest0-21swapper/120:57:061
1867599192,14cyclictest0-21swapper/119:27:081
18675991916,2cyclictest18672-21cyclictest23:23:261
18675991910,3cyclictest0-21swapper/119:42:031
1867499195,8cyclictest0-21swapper/000:17:040
1867499194,9cyclictest0-21swapper/020:42:020
1867499194,6cyclictest0-21swapper/022:42:080
1867499193,9cyclictest0-21swapper/000:27:000
1867499191,9cyclictest0-21swapper/020:47:000
18674991916,2cyclictest18672-21cyclictest21:59:080
18674991915,3cyclictest23753-21kworker/0:222:56:080
18674991915,1cyclictest0-21swapper/021:41:590
18674991910,5cyclictest0-21swapper/022:12:100
18674991910,3cyclictest97850irq/107-eth1-rx22:27:010
18674991910,1cyclictest0-21swapper/023:37:160
1867499190,18cyclictest0-21swapper/022:05:560
1867599185,9cyclictest0-21swapper/121:32:061
1867599184,8cyclictest0-21swapper/122:52:001
1867599183,15cyclictest0-21swapper/121:25:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional