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perf probe: Use hexadecimal type by default if possible

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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)