You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 06:28
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.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Dec 04, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153410,0ktimers/0276051sleep18:52:200
1514730,0ktimers/0288371sleep21:28:580
1514570,0ktimers/0151131sleep20:27:230
1514440,0ktimers/085721sleep19:57:160
1514420,0ktimers/0215321sleep20:57:050
527504260,0irq/11-sym53c8x130150irq/15-NE200019:49:500
2838899418117,0cyclictest0-21swapper23:42:460
1514150,0ktimers/0215711sleep23:26:440
1514130,0ktimers/0135451sleep22:48:160
2838899408104,0cyclictest31823-21sort00:12:490
283889940733,0cyclictest28871-21runrttasks18:58:000
283889940484,0cyclictest9800-21runrttasks20:02:430
1514040,0ktimers/0238101sleep23:36:490
1514020,0ktimers/0324451sleep19:17:420
2838899400123,0cyclictest0-21swapper21:57:130
2838899399101,0cyclictest28385-21cyclictest21:07:350
283889939585,0cyclictest28385-21cyclictest20:11:570
2838899395136,0cyclictest0-21swapper20:47:190
2838899394103,0cyclictest1654-21snmpd23:59:420
1513940,0ktimers/0201871chrt23:18:320
283889939381,0cyclictest0-21swapper22:02:000
2838899392129,0cyclictest0-21swapper20:32:490
283889939129,0cyclictest30319-21apt-get21:37:150
1513910,0ktimers/0127731sleep20:16:520
2838899387130,0cyclictest0-21swapper22:31:570
527503820,0irq/11-sym53c8x130150irq/15-NE200019:39:200
283889938229,0cyclictest23190-21sort21:03:270
2838899379105,0cyclictest0-21swapper00:23:340
283889937893,0cyclictest14850-21latency_hist20:26:420
283889937764,0cyclictest30424-21mailstats00:07:020
1513750,0ktimers/0325661sleep00:16:550
2838899374103,0cyclictest1798-21cron19:26:410
283889937186,0cyclictest16450-21grep23:02:340
283889937129,0cyclictest22103-21nfs_client23:28:090
283889937030,0cyclictest1927-21runrttasks22:57:110
2838899370124,0cyclictest3408-21nfs_client19:32:560
283889936967,0cyclictest5495-21ntp_states22:12:110
283889936965,0cyclictest29237-21apt-get21:32:190
2838899369113,0cyclictest2014-21munin-run21:56:420
283889936894,0cyclictest22752-21munin-node23:33:150
2838899366113,0cyclictest0-21swapper22:30:030
283889936554,0cyclictest0-21swapper19:07:000
283889936527,0cyclictest17949-21runrttasks20:38:550
2838899365108,0cyclictest1633-21nscd21:46:410
2838899364122,0cyclictest0-21swapper00:06:520
2838899364113,0cyclictest5274-21cron22:11:400
283889936372,0cyclictest17629-21sed23:07:460
283889936349,0cyclictest12535-21grep22:43:190
2838899363126,0cyclictest7552-21munin-node22:22:330
2838899362110,0cyclictest8340-21cron19:56:410
283889936133,0cyclictest26471-21awk23:48:060
283889936035,0cyclictest19225-21sendmail-msp20:46:470
2838899360129,0cyclictest0-21swapper21:12:090
2838899360105,0cyclictest29583-21munin-node19:02:000
1513590,0ktimers/053761sleep19:42:350
2838899358114,0cyclictest20426-21mailstats20:52:030
2838899358104,0cyclictest2443-21cut19:28:100
283889935229,0cyclictest27518-21awk23:52:580
2838899352118,0cyclictest0-21swapper21:21:240
283889935130,0cyclictest11180-21runrttasks20:08:150
283889935099,0cyclictest14461-21awk22:52:550
283889935029,0cyclictest27380-21nfs_client21:23:030
2838899349111,0cyclictest0-21swapper21:48:220
283889934736,0cyclictest29667-21munin-node23:11:510
283889934230,0cyclictest31506-21sshd19:12:200
283889934029,0cyclictest6710-21wget22:17:390
283889933928,0cyclictest11615-21chrt22:38:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional