linux-kernel - Re: [PATCH 0/3] tracing: histogram internals doc, hist

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Message-ID: <4404e7631ba832d2090cf154e81fe290022c5c5d.camel@kernel.org>
Date:   Mon, 18 May 2020 13:35:13 -0500
From:   Tom Zanussi <zanussi@...nel.org>
To:     rostedt@...dmis.org
Cc:     mhiramat@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] tracing: histogram internals doc, hist_debug, and
 misc

ping...

Thanks,

Tom

On Fri, 2020-04-03 at 14:31 -0500, Tom Zanussi wrote:
> Hi Steve,
> 
> Here's the histogram internals documentation I promised awhile back
> (second patch).
> 
> Accompanying it is a new config option that enables a new hist_debug
> event file, which is used by the examples in the doc to display
> some of the histogram internals (third patch).
> 
> The first patch is just a cleanup suggested by Masami that I
> previously missed.
> 
> Thanks,
> 
> Tom
> 
> The following changes since commit
> 8e99cf91b99bb30e16727f10ad6828741c0e992f:
> 
>   tracing: Do not allocate buffer in trace_find_next_entry() in
> atomic (2020-04-03 11:30:50 -0400)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/zanussi/linux-
> trace.git ftrace/hist-design-doc-v1
> 
> Tom Zanussi (3):
>   tracing: Check state.disabled in synth event trace functions
>   tracing: Add histogram-design document
>   tracing: Add hist_debug trace event files for histogram debugging
> 
>  Documentation/trace/histogram-design.rst | 2115
> ++++++++++++++++++++++
>  kernel/trace/Kconfig                     |   23 +
>  kernel/trace/trace.h                     |    1 +
>  kernel/trace/trace_events.c              |    4 +
>  kernel/trace/trace_events_hist.c         |  292 ++-
>  5 files changed, 2419 insertions(+), 16 deletions(-)
>  create mode 100644 Documentation/trace/histogram-design.rst
>