From: "Richard W.M. Jones" <rjones@redhat.com>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: cocci@inria.fr
Subject: Re: [cocci] Analysing software build processes
Date: Fri, 3 May 2024 11:59:15 +0100 [thread overview]
Message-ID: <20240503105915.GU7636@redhat.com> (raw)
In-Reply-To: <72b79221-63f7-4095-a5f9-d4502deced43@web.de>
On Fri, May 03, 2024 at 12:40:59PM +0200, Markus Elfring wrote:
> >> Can the analysis become easier anyhow according to questionable software run time characteristics?
> >
> > I don't understand what this means.
>
> Do you know further profiling tools?
>
> Example:
> https://bashdb.sourceforge.net/remake/
The problem seems to be entirely inside ocamlopt.opt, so I don't
understand how tracing make will help.
> You managed to generate a flamegraph with a special software build process.
> Can we benefit any more from such data representations?
There's no "special software build process". The flamegraph was
collected by running 'perf record -a -g' on the machine while
ocamlopt.opt was compiling a single file, and converting the perf data
to a flamegraph using Brendan's tools here:
https://github.com/brendangregg/FlameGraph
Rich.
> Would you like to help to achieve out of source builds
> for affected programs?
>
> Regards,
> Markus
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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next prev parent reply other threads:[~2024-05-03 10:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-02 8:54 [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Richard W.M. Jones
2024-05-02 9:01 ` Wolfram Sang
2024-05-02 16:16 ` Richard W.M. Jones
2024-05-02 17:40 ` Wolfram Sang
2024-05-02 9:44 ` Julia Lawall
2024-05-02 16:31 ` Richard W.M. Jones
2024-05-02 16:39 ` Julia Lawall
2024-05-02 16:49 ` Richard W.M. Jones
2024-05-02 17:02 ` Julia Lawall
2024-05-03 12:15 ` Richard W.M. Jones
2024-05-03 13:15 ` [cocci] Influence of build configuration parameter “--enable-flambda” on compilation of OCaml source files Markus Elfring
2024-05-03 15:50 ` [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Julia Lawall
2024-05-03 16:43 ` Markus Elfring
2024-05-07 9:45 ` Richard W.M. Jones
2024-05-07 9:56 ` Julia Lawall
2024-05-05 5:25 ` [cocci] Using OCaml compiler variants? Markus Elfring
2024-05-02 17:19 ` [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Richard W.M. Jones
2024-05-02 17:31 ` Richard W.M. Jones
2024-05-02 21:41 ` Julia Lawall
2024-05-03 7:31 ` Richard W.M. Jones
2024-05-03 8:00 ` Markus Elfring
2024-05-03 10:24 ` Richard W.M. Jones
2024-05-03 10:40 ` [cocci] Analysing software build processes Markus Elfring
2024-05-03 10:59 ` Richard W.M. Jones [this message]
2024-05-03 11:15 ` Markus Elfring
2024-05-02 10:18 ` [cocci] Checking compilation durations for “parser_cocci_menhir.ml” Markus Elfring
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