From: Azat Khuzhin Date: Mon, 28 Oct 2013 08:04:24 +0000 (+0400) Subject: perf probe: Add '--demangle'/'--no-demangle' X-Git-Tag: v3.13-rc1~56^2^2~1 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=35e17b2450e09968f9702d4048c228199af171bc;p=~emulex%2Finfiniband.git perf probe: Add '--demangle'/'--no-demangle' You can't pass demangled name into "perf probe", because of special chars: ./perf probe -f -x /tmp/a.out 'foo(int)' Semantic error :There is non-digit char in line number. And you can't even pass without demangling (because it search symbol in DSO with demangle=true): ./perf probe -f -x /tmp/a.out _Z3fooi no symbols found in /tmp/a.out, maybe install a debug package? However: nm /tmp/a.out | grep foo 000000000040056d T _Z3fooi After this patch, using the next command: ./perf probe -f --no-demangle -x /tmp/a.out _Z3fooi probe will be successfully added. Signed-off-by: Azat Khuzhin Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1382947464-31266-1-git-send-email-a3at.mail@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 89acc17cf2a..6ea9e85bdc0 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -325,6 +325,8 @@ int cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) opt_set_filter), OPT_CALLBACK('x', "exec", NULL, "executable|path", "target executable name or path", opt_set_target), + OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, + "Disable symbol demangling"), OPT_END() }; int ret;