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perf script: Unify the expressions indicating "unknown"

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The perf script command uses various expressions to indicate "unknown".

It is unfriendly for user scripts to parse it. So, this patch unifies
the expressions to "[unknown]".

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://lkml.kernel.org/r/20120130044257.2384.62905.stgit@linux3
Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Akihiro Nagai
2012-01-30 13:42:57 +09:00
committed by Arnaldo Carvalho de Melo
parent f9d3699656
commit 547a92e0ae
6 changed files with 42 additions and 39 deletions
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12
tools/perf/util/symbol.c
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@@ -263,6 +263,18 @@ static size_t symbol__fprintf(struct symbol *sym, FILE *fp)
sym->name);
}
size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp)
{
const char *symname;
if (sym && sym->name)
symname = sym->name;
else
symname = "[unknown]";
return fprintf(fp, "%s", symname);
}
void dso__set_long_name(struct dso *dso, char *name)
{
if (name == NULL)