linux-kernel - [PATCH 5/6] perf-probe: Use hexadecimal type by default if possible

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Message-Id: <147151074685.12957.16415861010796255514.stgit@devbox>
Date:	Thu, 18 Aug 2016 17:59:07 +0900
From:	Masami Hiramatsu <mhiramat@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Cc:	Masami Hiramatsu <mhiramat@...nel.org>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Naohiro Aota <naohiro.aota@...t.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Wang Nan <wangnan0@...wei.com>,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>
Subject: [PATCH 5/6] perf-probe: Use hexadecimal type by default if possible

Use hexadecimal type by default if it is available on
current running kernel.
This keeps the default behavior of perf probe after
changing the output format of 'u8/16/32/64' to
unsigned decimal number.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 tools/perf/util/probe-finder.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index f18cd6b..ac4740f 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -373,7 +373,8 @@ static int convert_variable_type(Dwarf_Die *vr_die,
 		 probe_type_is_available(PROBE_TYPE_X))
 		prefix = 'x';
 	else
-		prefix = die_is_signed_type(&type) ? 's' : 'u';
+		prefix = die_is_signed_type(&type) ? 's' :
+			 probe_type_is_available(PROBE_TYPE_X) ? 'x' : 'u';
 
 	ret = dwarf_bytesize(&type);
 	if (ret <= 0)