Commit-ID: 22ae5cf1c9b4e27a3efe96d8fa6d038560a2cf23 Gitweb: http://git.kernel.org/tip/22ae5cf1c9b4e27a3efe96d8fa6d038560a2cf23 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Thu, 12 Sep 2013 11:27:34 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 9 Oct 2013 11:11:06 -0300
perf trace: Don't print zeroed args This way we make the output more compact. If somebody complain (and provide a sane reason why we would like to see zeroes) we can make it an optional, ~/.perfconfig configurable knob. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-trace.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 903416c..516f6b3 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -818,6 +818,9 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, if (arg.mask & bit) continue; + if (args[arg.idx] == 0) + continue; + printed += scnprintf(bf + printed, size - printed, "%s%s: ", printed ? ", " : "", field->name); if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
