https://bugs.dpdk.org/show_bug.cgi?id=191
Bug ID: 191
Summary: Sometimes timers (rte_timer) do not expire
Product: DPDK
Version: 18.11
Hardware: x86
OS: Linux
Status: CONFIRMED
Severity: major
Priority: Normal
Component: other
Assignee: dev@dpdk.org
Reporter: maria.lingem...@ericsson.com
Target Milestone: ---
Created attachment 24
--> https://bugs.dpdk.org/attachment.cgi?id=24&action=edit
sample timer program
Some timers do not expire as expected. Expiry time has passed and timer is
still in state pending. Other timers installed after still expire as they
should.
Attaching a small test program that installs timers on one core and has them
expire on another to reproduce the fault.
A sample output from the program:
Installed 1000000 timers.
Warning: 4 timer(s) did not expire.
It might take a few runs to trigger the fault, and it might also be easier to
trigger with a bit of background load on the machine.
Has been reproduced on 18.05 and 18.11
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