Em Sun, Oct 25, 2015 at 09:46:07AM +0100, Ingo Molnar escreveu: > > * Arnaldo Carvalho de Melo <a...@kernel.org> wrote: > > > Hi Ingo, > > > > Please consider pulling, > > > > - Arnaldo > > > > The following changes since commit 80fcd45ee05b4ef05e61d37a5ffb70a67095a9f6: > > > > Merge tag 'perf-core-for-mingo' of > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core > > (2015-10-23 10:25:57 +0200) > > > > are available in the git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git > > tags/perf-core-for-mingo > > > > for you to fetch changes up to 161d9041782b86c5493481566539bfc058ceeaff: > > > > perf tools: Provide help for subset of options (2015-10-23 21:50:50 -0300) > > > > ---------------------------------------------------------------- > > perf/core improvements: > > > > New features: > > > > - Show ordered command line options when -h is used or when an > > unknown option is specified (Arnaldo Carvalho de Melo) > > > > - If options are passed after -h, show just its descriptions, not > > all options (Arnaldo Carvalho de Melo) > > Very nice! > > > Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> > > > > ---------------------------------------------------------------- > > Arnaldo Carvalho de Melo (2): > > perf tools: Show tool command line options ordered > > perf tools: Provide help for subset of options > > > > tools/perf/util/parse-options.c | 90 > > ++++++++++++++++++++++++++++++++++++----- > > 1 file changed, 81 insertions(+), 9 deletions(-) > > Pulled, thanks a lot Arnaldo! > > So I tested this a bit, and the ordering works well. > > What wasn't so obvious to me was behavior like: > > triton:~/tip> perf report -h x > > Usage: perf report [<options>]
I'll fix that, and also make it search the provided key as a substring in the event descriptions, like 'perf list' does now, does that sound ok? - Arnaldo > > triton:~/tip> > > triton:~/tip> perf report -h exclude-other > > Usage: perf report [<options>] > > > triton:~/tip> > > I.e. it outputs nothing and does not tell the user what's wrong. > > Then I figured out the right syntax: > > triton:~/tip> perf report -h --exclude-other > > Usage: perf report [<options>] > > -x, --exclude-other Only display entries with parent-match > > triton:~/tip> > > :) > > So maybe we should also try a search for the option name with a '-' and '--' > prepended? Also, my pet peeve are partial matches: > > triton:~/tip> perf report -h --exclude > > Usage: perf report [<options>] > > > triton:~/tip> > > But in any case it's a nice step forward! > > Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
