Commit 22ae5cf1 authored Sep 12, 2013 by Arnaldo Carvalho de Melo

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 <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-myqozw43hk8z2r5hsupzdk82@git.kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 77048059

tools/perf/builtin-trace.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -818,6 +818,9 @@ static size_t syscall__scnprintf_args(struct syscall sc, char bf, size_t size,
	if (arg.mask & bit)		if (arg.mask & bit)
	continue;		continue;

			if (args[arg.idx] == 0)
			continue;

	printed += scnprintf(bf + printed, size - printed,		printed += scnprintf(bf + printed, size - printed,
	"%s%s: ", printed ? ", " : "", field->name);		"%s%s: ", printed ? ", " : "", field->name);
	if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) {		if (sc->arg_scnprintf && sc->arg_scnprintf[arg.idx]) {