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perf symbols: Change the kernel DSO name if it comes from kallsyms

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So that the user have a clearer indication about the source of
the symbols, as we only state buildid mismatches in verbose
mode, because 'perf top' would overwrite such warning anyway.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1258757489-5978-6-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-11-20 20:51:29 -02:00 committed by Ingo Molnar
parent fbd733b815
commit ef6ae72425
1 changed files with 6 additions and 1 deletions
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7
tools/perf/util/symbol.c
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@ -108,6 +108,8 @@ static size_t symbol__fprintf(struct symbol *self, FILE *fp)
static void dso__set_long_name(struct dso *self, char *name) static void dso__set_long_name(struct dso *self, char *name)
{ {
if (name == NULL)
return;
self->long_name = name; self->long_name = name;
self->long_name_len = strlen(name); self->long_name_len = strlen(name);
} }
@ -1377,8 +1379,11 @@ static int dso__load_kernel_sym(struct dso *self, struct map *map,
{ {
int err = dso__load_vmlinux(self, map, self->name, filter); int err = dso__load_vmlinux(self, map, self->name, filter);
if (err <= 0) if (err <= 0) {
err = kernel_maps__load_kallsyms(filter); err = kernel_maps__load_kallsyms(filter);
if (err > 0)
dso__set_long_name(self, strdup("[kernel.kallsyms]"));
}
if (err > 0) { if (err > 0) {
map__fixup_start(map); map__fixup_start(map);