lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 23 Jan 2022 12:17:36 -0800 From: Cong Wang <xiyou.wangcong@...il.com> To: Joe Damato <jdamato@...tly.com> Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org Subject: Re: [PATCH net-next] sock: add sndbuff full perf trace event On Thu, Jan 20, 2022 at 02:02:30PM -0800, Joe Damato wrote: > Calls to sock_alloc_send_pskb can fail or trigger a wait if there is no > sndbuf space available. > > Add a perf trace event to help users monitor when and how this occurs so > appropriate application level changes can be made, if necessary. > > Signed-off-by: Joe Damato <jdamato@...tly.com> > --- > include/trace/events/sock.h | 21 +++++++++++++++++++++ > net/core/sock.c | 1 + > 2 files changed, 22 insertions(+) There are more places where we set the SOCKWQ_ASYNC_NOSPACE bit, so it looks like your patch is incomplete. Thanks.
Powered by blists - more mailing lists