You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 04:31

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 #4, slot #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot6s.osadl.org (updated Wed Apr 02, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1799922650,2sleep017998-21/usr/sbin/munin21:00:160
3256821550,3sleep032567-21/usr/sbin/munin22:00:230
789921280,3chrt7896-21ntpq22:35:190
2623821260,2sleep026237-21/usr/sbin/munin23:55:200
2353921010,3sleep023540-21sshd23:42:230
37192980,3sleep03718-21interrupts20:00:170
233052840,3sleep023347-21ntp_kernel_pll_21:20:210
2194727519,31sleep021982-21irqstats19:05:160
39072720,3sleep03908-21systemctl00:40:000
23042996324,15cyclictest12510-21sshd20:39:230
23042996122,12cyclictest16740-21wc23:15:010
2304299609,19cyclictest30933-21/usr/sbin/munin21:55:170
2304299608,19cyclictest27084-21df_inode19:25:140
23042996034,15cyclictest25821-21/usr/sbin/munin19:20:150
23042996012,17cyclictest22050-21ntp_states21:15:250
2304299599,18cyclictest5571-21/usr/sbin/munin20:10:220
2304299599,16cyclictest14078-21df20:45:120
2304299596,20cyclictest16588-21/usr/sbin/munin20:55:120
23042995935,15cyclictest26687-21/usr/sbin/munin21:35:260
23042995935,15cyclictest20815-21/usr/sbin/munin21:10:270
23042995930,16cyclictest13171-21runrttasks22:58:230
23042995927,21cyclictest23284-21irqstats19:10:180
23042995911,34cyclictest30569-21/usr/sbin/munin00:15:220
23042995910,18cyclictest28362-21df19:30:170
23042995910,15cyclictest24688-21/usr/sbin/munin23:50:160
2304299589,16cyclictest1295-21ntp_states19:50:300
23042995835,15cyclictest7605-21latency_hist22:35:010
23042995831,15cyclictest24747-21open_inodes19:15:250
23042995815,15cyclictest886-21latency_hist19:50:010
23042995811,15cyclictest1710-21/usr/sbin/munin00:30:200
23042995810,16cyclictest4373-21/usr/sbin/munin22:20:260
2304299579,14cyclictest8172-21/usr/sbin/munin20:20:270
2304299579,14cyclictest2267-21/usr/sbin/munin19:55:250
2304299578,18cyclictest269-21runrttasks23:49:170
2304299578,16cyclictest1506-21seq22:08:530
2304299578,14cyclictest29280-21/usr/sbin/munin00:10:210
23042995734,15cyclictest11012-21/usr/sbin/munin22:50:110
23042995734,14cyclictest12812-21/usr/sbin/munin20:40:150
23042995732,16cyclictest27955-21/usr/sbin/munin21:40:220
23042995731,17cyclictest32110-21/usr/sbin/munin00:20:200
23042995729,17cyclictest24489-21chrt21:26:170
23042995711,17cyclictest4236-21munin-run22:20:010
23042995711,17cyclictest16707-21rs:main0
2304299569,16cyclictest13657-21/usr/sbin/munin23:00:160
2304299569,15cyclictest15511-21memory20:50:250
2304299569,14cyclictest10152-21/usr/sbin/munin20:30:110
2304299568,16cyclictest1769-21/usr/sbin/munin22:10:230
2304299568,15cyclictest16811-21/usr/sbin/munin23:15:230
23042995611,18cyclictest19485-21ntp_states21:05:240
23042995610,16cyclictest29641-21/usr/sbin/munin21:50:240
2304299558,19cyclictest25200-21/usr/sbin/munin21:30:160
2304299558,15cyclictest6856-21/usr/sbin/munin20:15:270
2304299558,15cyclictest29739-21sort19:35:180
23042995533,13cyclictest31284-21/usr/sbin/munin19:40:270
23042995533,13cyclictest27516-21/usr/sbin/munin00:00:200
23042995530,15cyclictest20400-21/usr/sbin/munin23:30:180
23042995510,17cyclictest20062-21wc23:30:020
23042995510,14cyclictest15406-21munin-run23:10:000
2304299548,15cyclictest324-21munin-node23:35:140
23042995410,17cyclictest9244-21ntp_states22:40:230
23042995410,16cyclictest10097-21cron22:45:020
2304299537,16cyclictest5019-21chrt20:06:290
2304299536,19cyclictest9467-21chrt20:25:200
23042995331,14cyclictest5988-21runrttasks22:28:010
23042995328,16cyclictest29203-21sshd21:47:230
2304299528,15cyclictest773-21sshd00:25:230
23042995227,16cyclictest28854-21runrttasks00:07:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional