You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-18 - 17:07

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackfslot4s.osadl.org (updated Wed Jun 18, 2025 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1764221280,2chrt17638-21ntpq11:26:330
2265921240,2chrt22660-21sshd09:40:350
2239021190,2chrt22355-21munin-run08:40:010
3063121140,3chrt30630-21ssh10:51:490
1283721140,4chrt12840-21fschecks_time08:20:350
924221120,3chrt9243-21sh12:10:350
1449821110,3chrt14497-21sshd10:22:330
329521100,2chrt3298-21sed11:01:050
1900721030,3chrt19008-21sleep07:28:300
785421010,3chrt7855-21sh09:13:320
2637721010,2sleep026378-21/usr/sbin/munin11:42:150
1656321010,2chrt16564-21sh08:27:020
318622970,2sleep031863-21run-parts11:52:120
22612930,2sleep02264-21awk11:57:170
76112850,2chrt7549-21ntp_states12:07:090
215472840,2sleep021548-21ssh12:31:530
112172810,2sleep011218-21sh10:16:570
6492800,2sleep0651-21sed10:56:150
187932770,2sleep018795-21grep08:31:220
76712680,2sleep07672-21if_err_can010:11:040
78662679,43sleep07876-21ntpq07:05:480
206942670,2sleep020696-21uname09:36:130
148992650,2sleep014901-21cut12:20:360
137012610,2sleep013700-21sshd12:17:340
205522605,8sleep020549-21ntpq11:31:530
10762602,8sleep01106-21idleruntime-cro10:00:020
256202593,9sleep025630-21ntpq07:40:580
31672562,10sleep03163-21apt-get09:05:140
295272563,43sleep029612-21cat07:50:030
195852552,42sleep019555-21apt-get07:30:220
58112514,39sleep05824-21sshd10:07:350
256622513,7sleep025668-21/usr/sbin/munin08:46:260
252282512,42sleep025211-21ssh10:42:120
242532512,6sleep024234-21ssh12:36:470
226622510,2sleep022663-21/usr/sbin/munin10:37:190
9302905021,22cyclictest0-21swapper11:19:310
233242503,38sleep023389-21sleep07:36:240
301352492,7sleep030112-21ssh11:50:030
9302904820,20cyclictest0-21swapper09:29:520
9302904819,22cyclictest0-21swapper12:04:050
9302904812,17cyclictest0-21swapper07:50:250
930290477,31cyclictest0-21swapper11:05:110
9302904718,22cyclictest0-21swapper10:03:470
9302904718,22cyclictest0-21swapper09:34:500
9302904715,26cyclictest28636-21ssh09:50:560
233382473,37sleep023342-21ntpq11:36:570
9302904616,22cyclictest0-21swapper10:32:580
9302904616,21cyclictest0-21swapper12:29:140
9302904615,22cyclictest0-21swapper09:24:380
318782460,2chrt31876-21mailstats08:56:210
7802453,35sleep0785-21collect207:56:050
9302904418,20cyclictest0-21swapper11:22:310
9302904417,21cyclictest0-21swapper07:19:580
9302904416,21cyclictest0-21swapper10:27:580
930290437,8cyclictest8511-21apt-get09:15:220
9302904316,21cyclictest0-21swapper08:51:060
930290425,9cyclictest859-21snmpd08:16:530
930290425,18cyclictest2758-21hddtemp_smartct08:00:410
930290424,11cyclictest9805-21diskstats07:10:470
930290417,19cyclictest0-21swapper10:49:000
930290414,9cyclictest22844-21df_inode08:40:310
930290414,10cyclictest27137-21users09:47:310
930290404,29cyclictest10632-21ssh11:14:530
930290397,10cyclictest8274-21ntpq08:10:510
9302903913,9cyclictest1624-21ntpq09:00:560
930290385,16cyclictest16326-21sleep07:22:490
930290376,12cyclictest5139-21diskstats08:05:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional