Commit caa36ed7 authored May 19, 2016 by Arnaldo Carvalho de Melo

perf trace: Only auto set call-graph to "dwarf" when syscalls are being traced

When --min-stack or --max-stack is passwd but --no-syscalls is also in
effect, there is no point in automatically setting '--call-graph dwarf'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-pq922i7h9wef0pho1dqpttvn@git.kernel.org


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

parent 7e4c1498

tools/perf/builtin-trace.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2910,7 +2910,7 @@ int cmd_trace(int argc, const char *argv, const char prefix __maybe_unused)
		}

		#ifdef HAVE_DWARF_UNWIND_SUPPORT
		if ((trace.min_stack \|\| max_stack_user_set) && !callchain_param.enabled)
		if ((trace.min_stack \|\| max_stack_user_set) && !callchain_param.enabled && trace.trace_syscalls)
		record_opts__parse_callchain(&trace.opts, &callchain_param, "dwarf", false);
		#endif