You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-03 - 20:02
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 50 highest latencies:
System rackcslot2.osadl.org (updated Mon Nov 03, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2086327462,7sleep10-21swapper/107:06:161
2061026856,8sleep00-21swapper/007:03:380
21104993510,25cyclictest0-21swapper/108:59:071
21104993110,0cyclictest0-21swapper/110:01:441
21103993010,19cyclictest0-21swapper/010:22:370
21104992810,1cyclictest0-21swapper/110:10:351
2110499280,25cyclictest0-21swapper/108:11:541
21104992718,8cyclictest31904-21ssh11:03:441
2110399272,24cyclictest5883-21kworker/u4:109:14:060
21104992624,1cyclictest22919-21ssh12:15:431
21104992617,6cyclictest26578-21ssh09:35:461
21104992610,11cyclictest0-21swapper/111:33:381
2110399260,5cyclictest0-21swapper/011:37:100
2110499250,24cyclictest0-21swapper/111:49:131
2110499250,24cyclictest0-21swapper/110:46:171
2110499250,17cyclictest0-21swapper/109:49:531
21103992510,8cyclictest0-21swapper/010:46:220
21103992510,5cyclictest0-21swapper/007:52:160
21103992510,4cyclictest0-21swapper/009:33:040
21104992424,0cyclictest0-21swapper/110:49:381
21104992416,5cyclictest31002-21apache211:18:271
2110499241,3cyclictest0-21swapper/110:21:561
21104992410,7cyclictest0-21swapper/110:27:341
2110499240,1cyclictest27433-21apache_accesses09:37:081
2110399244,19cyclictest2696-21diskmemload10:52:460
21103992419,2cyclictest22077-21sendmail_mailst07:07:130
21103992410,3cyclictest0-21swapper/009:52:170
21104992321,1cyclictest231ktimersoftd/107:52:091
21104992316,4cyclictest31002-21apache209:16:181
21104992310,8cyclictest0-21swapper/107:27:071
21104992310,0cyclictest0-21swapper/109:26:581
2110499230,7cyclictest0-21swapper/110:12:161
2110399234,10cyclictest24131-21/usr/sbin/munin10:12:160
21103992323,0cyclictest0-21swapper/011:17:010
21103992323,0cyclictest0-21swapper/008:42:300
21103992321,1cyclictest7-21ksoftirqd/009:42:120
21103992320,2cyclictest10663-21ssh11:59:260
21103992310,5cyclictest0-21swapper/008:57:500
2110399230,2cyclictest0-21swapper/012:09:070
2110499222,5cyclictest0-21swapper/110:38:251
21104992222,0cyclictest0-21swapper/109:07:111
21104992221,1cyclictest30989-21apache209:25:551
21104992221,0cyclictest0-21swapper/110:01:591
21104992213,6cyclictest21123-21/usr/sbin/munin07:07:091
21104992210,7cyclictest0-21swapper/111:52:221
21104992210,6cyclictest0-21swapper/109:43:181
2110499220,11cyclictest0-21swapper/111:12:141
2110399228,6cyclictest11516-21ssh10:37:380
2110399223,3cyclictest0-21swapper/009:10:390
21103992222,0cyclictest0-21swapper/011:13:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional