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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@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Naohiro Aota <naohiro.aota@hgst.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/147151074685.12957.16415861010796255514.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2016-08-18 17:59:07 +09:00 committed by Arnaldo Carvalho de Melo
parent 9254378725
commit 9880ce4a69
1 changed files with 2 additions and 1 deletions
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3
tools/perf/util/probe-finder.c
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@ -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)