You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-09 - 08:51

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 100 highest latencies:
System rack4slot6s.osadl.org (updated Tue Dec 09, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1226322470,2sleep012264-21modprobe00:15:020
707721690,3sleep07080-21wc23:55:010
1490621480,4chrt14907-21sendmail22:20:010
3190121470,4chrt31899-21df_inode23:25:150
1025321430,5chrt10251-21ntp_states19:55:220
127821310,4chrt1279-21mailstats21:25:270
1107421240,3sleep011077-21wc22:05:010
30706991199,94cyclictest25805-21open_inodes20:55:290
307069911810,92cyclictest32378-21ntp_states19:15:250
307069911434,70cyclictest4104-21/usr/sbin/munin19:30:290
307069911431,73cyclictest20478-21/usr/sbin/munin22:40:210
30706991129,90cyclictest25766-21/usr/sbin/munin23:00:250
30706991129,89cyclictest2932-21seq23:38:370
30706991127,92cyclictest11514-21sed00:10:290
30706991127,90cyclictest30719-21/usr/sbin/munin21:15:130
30706991119,88cyclictest24524-21/usr/sbin/munin20:50:250
30706991119,87cyclictest12364-21cat22:10:010
30706991119,86cyclictest21677-21df20:40:130
30706991119,86cyclictest13853-21/usr/sbin/munin20:10:260
30706991118,90cyclictest4464-21cat23:45:010
30706991118,89cyclictest16317-21munin-run20:20:010
30706991117,89cyclictest9979-21ntpq00:05:210
307069911110,88cyclictest12448-21munin-run20:05:010
30706991109,87cyclictest18768-21latency_hist22:35:010
30706991108,90cyclictest21489-21/usr/sbin/munin22:45:250
30706991108,88cyclictest993-21/usr/sbin/munin23:30:250
30706991108,87cyclictest7591-21/usr/sbin/munin21:50:250
30706991099,86cyclictest4577-21modprobe21:40:010
30706991098,89cyclictest12660-21sshd20:05:170
30706991097,90cyclictest28211-21/usr/sbin/munin21:05:170
30706991097,89cyclictest6272-21ntp_states21:45:250
30706991097,89cyclictest5008-21open_inodes21:40:250
30706991088,87cyclictest29988-21/usr/sbin/munin21:10:330
30706991088,87cyclictest22189-21snmpd19:35:130
30706991088,86cyclictest19172-21irqstats20:30:170
30706991087,88cyclictest16615-21ntp_states22:25:250
307069910810,85cyclictest26983-21memory21:00:210
30706991079,72cyclictest32399-21wc21:20:280
30706991077,87cyclictest17983-21awk00:35:290
30706991077,87cyclictest12484-21df22:10:130
30706991077,86cyclictest7455-21df_inode19:45:130
30706991076,87cyclictest5398-21chrt23:47:330
30706991076,87cyclictest17844-21if_err_eth020:25:170
307069910729,68cyclictest2452-21/usr/sbin/munin21:30:260
307069910725,71cyclictest27524-21sshd23:07:370
307069910710,86cyclictest20065-21munin-run22:40:010
30706991069,86cyclictest13752-21irqstats00:20:170
30706991068,86cyclictest28087-21irqstats23:10:170
30706991068,86cyclictest24349-21ntp_states22:55:250
30706991068,85cyclictest30433-21sendmail-msp23:20:010
30706991067,88cyclictest9511-21chrt00:04:250
30706991067,88cyclictest16814-21/usr/sbin/munin20:20:250
30706991067,86cyclictest9874-21wc19:55:010
30706991066,87cyclictest23036-21cat20:45:170
30706991057,85cyclictest31099-21wc23:20:290
30706991057,84cyclictest6415-21ntpq19:40:250
30706991049,83cyclictest8602-21df_inode21:55:130
30706991046,86cyclictest30871-21df_inode19:10:170
307069910429,67cyclictest16520-21ps00:30:260
30706991037,81cyclictest15104-21chrt22:20:140
30706991036,86cyclictest1941-21runrttasks19:23:410
307069910324,68cyclictest269-21runrttasks19:25:120
307069910318,75cyclictest22892-21if_eth022:50:180
307069910310,80cyclictest20313-21/usr/sbin/munin20:35:280
307069910211,78cyclictest7164-21df23:55:120
30706991015,83cyclictest14942-21/usr/sbin/munin00:25:130
3070699957,73cyclictest30747-21seq19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional