Re: [PATCH 00/13] perf tools: Move perf subcommand framework into lib/tools

From: Jiri Olsa <jolsa@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/13] perf tools: Move perf subcommand framework into lib/tools
Date: Sun, 6 Dec 2015 16:50:06 +0100	[thread overview]
Message-ID: <20151206155003.GA11852@krava.brq.redhat.com> (raw)
In-Reply-To: <20151206093752.GA4022@gmail.com>

On Sun, Dec 06, 2015 at 10:37:52AM +0100, Ingo Molnar wrote:
> 
> * Josh Poimboeuf <jpoimboe@redhat.com> wrote:
> 
> > Ingo suggested that I factor out the perf subcommand functionality
> > (originally copied from git) into tools/lib so that it can be used by
> > stacktool[*] and possibly others.
> > 
> > All the subcommand option handling files have been moved into libapi,
> > including parse-options.c, run-command.c, exec_cmd.c, help.c, usage.c,
> > and their dependencies.  Since several of the dependencies are more
> > general-purpose "utilities" which aren't directly related to
> > subcommands, I put everything in 'tools/lib/api/util'.  They're linked
> > into perf as part of the libapi.a library.
> > 
> > Patches 1-10 do some cleanups and splitting up of the code in
> > preparation for the move.
> > 
> > Patch 11 does the actual moving of the files into tools/lib/api/util.
> > 
> > [*] https://lkml.kernel.org/r/cover.1445443144.git.jpoimboe@redhat.com
> > 
> > Josh Poimboeuf (13):
> >   perf: Use -iquote for local include paths
> >   perf: Split up util.h
> >   perf: Move term functions out of util.c
> >   perf: Remove unused pager_use_color variable
> >   perf: Split up cache.h
> >   perf: Remove cache.h
> >   perf: Save cmdline arguments earlier
> >   perf: Remove check for unused PERF_PAGER_IN_USE
> >   perf: Move cmd_version() to builtin-version.c
> >   perf: Move help_unknown_cmd() to its own file
> >   perf tools: Move strlcpy() to tools/lib/string.c
> >   perf tools: Move perf subcommand framework into a library
> >   perf tools: Move subcommand framework and related utils to libapi
> 
> >  133 files changed, 852 insertions(+), 761 deletions(-)
> 
> So this split-out looks great to me!
> 
> A bit of a background: this series is a necessary precondition of me being able to 
> merge 'stacktool' and the frame pointer handling enhancements Josh is working on - 
> but it would be nice if this could all be done via Arnaldo's perf tree to minimize 
> any impact on pending perf work.
> 
> I've Cc:-ed Namhyung and Jiri as well, who've done a lot of work in perf/util/.
> 

heya,
got compilation error over this patchset:

[jolsa@krava perf]$ make clean && make JOBS=1

  ...

  CC       tests/llvm-src-base.o
tests/llvm-src-base.c:1:24: fatal error: tests/llvm.h: No such file or directory
compilation terminated.
mv: cannot stat ‘tests/.llvm-src-base.o.tmp’: No such file or directory
/home/jolsa/kernel/linux-perf/tools/build/Makefile.build:77: recipe for target 'tests/llvm-src-base.o' failed
make[3]: *** [tests/llvm-src-base.o] Error 1
/home/jolsa/kernel/linux-perf/tools/build/Makefile.build:116: recipe for target 'tests' failed
make[2]: *** [tests] Error 2
Makefile.perf:313: recipe for target 'perf-in.o' failed
make[1]: *** [perf-in.o] Error 2
Makefile:68: recipe for target 'all' failed
make: *** [all] Error 2

jirka