From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [PATCH 3/3] log: call vsnprintf only when it is needed to emit trace
Date: Wed, 11 Nov 2020 07:32:03 -0700 [thread overview]
Message-ID: <CAPnjgZ1Ne3=cRHyQrdr=v+6u9fcVgxKrrWGnwhecci-+YDB6mw@mail.gmail.com> (raw)
In-Reply-To: <20201106175339.30683-3-patrick.delaunay@st.com>
On Fri, 6 Nov 2020 at 10:55, Patrick Delaunay <patrick.delaunay@st.com> wrote:
>
> Reduce the log overhead when the traces are filtered,
> by moving the vsnprintf call from _log() to log_dispatch().
>
> This patch avoids the printf treatment when LOG features is
> activated, but trace is filtered, for example when
> MAX_LOG_LEVEL=8 and LOG_DEFAULT_LEVEL=6.
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
>
> # Conflicts:
> # common/log.c
> ---
>
> common/log.c | 22 ++++++++++++++--------
> 1 file changed, 14 insertions(+), 8 deletions(-)
Reviewed-by: Simon Glass <sjg@chromium.org>
next prev parent reply other threads:[~2020-11-11 14:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-06 17:53 [PATCH 1/3] log: don't build the trace buffer when log is not ready Patrick Delaunay
2020-11-06 17:53 ` [PATCH 2/3] log: use debug uart to output trace before LOG init Patrick Delaunay
2020-11-11 14:32 ` Simon Glass
2020-11-19 13:42 ` Patrick DELAUNAY
2020-11-06 17:53 ` [PATCH 3/3] log: call vsnprintf only when it is needed to emit trace Patrick Delaunay
2020-11-11 14:32 ` Simon Glass [this message]
2020-11-11 14:32 ` [PATCH 1/3] log: don't build the trace buffer when log is not ready Simon Glass
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