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

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On Sun, Dec 06, 2015 at 02:02:42PM -0600, Josh Poimboeuf wrote:
> On Sun, Dec 06, 2015 at 04:50:06PM +0100, Jiri Olsa wrote:
> > 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
> 
> I think the problem is that you have a stale version of the
> auto-generated file llvm-src-base.c.  Looks like "make clean" doesn't
> remove it.  I'll add a patch to fix it.

FYI I switched back to Arnaldo's perf/core and did 'make clean && make'
which passed, then switched back to your change and build failed again

jirka
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[PATCH 00/13] perf tools: Move perf subcommand framework into lib/tools Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-04 23:10 +0100
  Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Ingo Molnar <mingo@kernel.org> - 2015-12-06 10:40 +0100
    Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Jiri Olsa <jolsa@redhat.com> - 2015-12-06 17:00 +0100
      Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-06 21:10 +0100
        Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Jiri Olsa <jolsa@redhat.com> - 2015-12-07 09:50 +0100
          Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-08 16:00 +0100
            Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-08 16:30 +0100
              Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-08 16:50 +0100
            Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-08 16:30 +0100
          Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-08 16:00 +0100
    Re: [PATCH 00/13] perf tools: Move perf subcommand framework into  lib/tools Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-06 19:30 +0100

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