Thanks Dave.
Per thread TW are working as expected
regards
Hari
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#13327): https://lists.fd.io/g/vpp-dev/message/13327
Mute This Topic: https://lists.fd.io/mt/32039603/21656
Group Owner: vpp-dev+ow...@lis
alf Of hari_akkin via
Lists.Fd.Io
Sent: Monday, June 17, 2019 11:37 AM
To: vpp-dev@lists.fd.io
Cc: vpp-dev@lists.fd.io
Subject: Re: [vpp-dev] timer wheel usage queries
Hi Dave,
Thanks for the quick response.
Can you please point me how to tie a timer wheel to a thread?
thanks
H
Hi Dave,
Thanks for the quick response.
Can you please point me how to tie a timer wheel to a thread?
thanks
Hari
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#13299): https://lists.fd.io/g/vpp-dev/message/13299
Mute This Topic: https://lists.fd.i
sessions, etc. onto specific threads; use one wheel per
thread. Running one timer per thread is not suggested.
D.
From: vpp-dev@lists.fd.io On Behalf Of hari_akkin via
Lists.Fd.Io
Sent: Monday, June 17, 2019 6:54 AM
To: vpp-dev@lists.fd.io
Cc: vpp-dev@lists.fd.io
Subject: Re: [vpp-dev] timer wheel
Thanks Dave for the information on calling tw_timer_expire_timers_xxx(tw, now).
However i have to make the node type as VLIB_NODE_TYPE_INPUT and set node state
to VLIB_NODE_STATE_POLLING for polling to work. is this the right approach?
I have one more query on how to implement per thread timer w
Additionally to Dave's answer, you also have to be very careful with
the expected precision of the timers.
When you're inserting a timer with a interval on N into a timer with a
period of P, you timeout is not guaranteed to be N * P, it is more
something like (N-1)*P < timeout < N*P.
The reason fo
You didn't mention calling tw_timer_expire_timers_xxx(tw, now), which is the
only force of physics which will actually cause a timer to expire.
See also .../src/vppinfra/test_tw_timer.c, src/vlib/main.c or
src/vnet/tcp/tcp.c for usage examples. The timer wheel code has been tested to
N=60 milli
