Commit 4aa58232 authored Sep 20, 2013 by Arnaldo Carvalho de Melo

perf trace: Don't supress zeroed args when there is an strarray entry for it

Case in hand:

   9.682 ( 0.001 ms): Xorg/13079 setitimer(which: REAL, value: 0x7fffede42470) = 0

ITIMER_REAL is zero.

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-6hnoqsjh99t4hxi3xu2nlwep@git.kernel.org


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

parent 453350dd

tools/perf/builtin-trace.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -940,8 +940,15 @@ static size_t syscall__scnprintf_args(struct syscall sc, char bf, size_t size,
		field = field->next, ++arg.idx, bit <<= 1) {
		if (arg.mask & bit)
		continue;

		if (args[arg.idx] == 0)
		/*
		* Suppress this argument if its value is zero and
		* and we don't have a string associated in an
		* strarray for it.
		*/
		if (args[arg.idx] == 0 &&
		!(sc->arg_scnprintf &&
		sc->arg_scnprintf[arg.idx] == SCA_STRARRAY &&
		sc->arg_parm[arg.idx]))
		continue;

		printed += scnprintf(bf + printed, size - printed,

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