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perf tools: Use kmod_path__parse in map_groups__set_modules_path_dir 

Replacing the file name parsing with kmod_path__parse
and moving the dso update into new separate function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-q0ed76ajcyoaofotntrg5sla@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-02-12 22:20:01 +01:00 committed by Arnaldo Carvalho de Melo
parent 963a70b8a2
commit bb58a8a459
1 changed files with 44 additions and 27 deletions
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71
tools/perf/util/machine.c
View File

@ -851,6 +851,39 @@ static char *get_kernel_version(const char *root_dir)
return strdup(name);
}
static bool is_kmod_dso(struct dso *dso)
{
return dso->symtab_type == DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE ||
dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE;
}
static int map_groups__set_module_path(struct map_groups *mg, const char *path,
struct kmod_path *m)
{
struct map *map;
char *long_name;
map = map_groups__find_by_name(mg, MAP__FUNCTION, m->name);
if (map == NULL)
return 0;
long_name = strdup(path);
if (long_name == NULL)
return -ENOMEM;
dso__set_long_name(map->dso, long_name, true);
dso__kernel_module_get_build_id(map->dso, "");
/*
* Full name could reveal us kmod compression, so
* we need to update the symtab_type if needed.
*/
if (m->comp && is_kmod_dso(map->dso))
map->dso->symtab_type++;
return 0;
}
static int map_groups__set_modules_path_dir(struct map_groups *mg,
const char *dir_name, int depth)
{
@ -889,35 +922,19 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
if (ret < 0)
goto out;
} else {
char *dot = strrchr(dent->d_name, '.'),
dso_name[PATH_MAX];
struct map *map;
char *long_name;
struct kmod_path m;
if (dot == NULL)
continue;
/* On some system, modules are compressed like .ko.gz */
if (is_supported_compression(dot + 1) &&
is_kmodule_extension(dot - 2))
dot -= 3;
snprintf(dso_name, sizeof(dso_name), "[%.*s]",
(int)(dot - dent->d_name), dent->d_name);
strxfrchar(dso_name, '-', '_');
map = map_groups__find_by_name(mg, MAP__FUNCTION,
dso_name);
if (map == NULL)
continue;
long_name = strdup(path);
if (long_name == NULL) {
ret = -1;
ret = kmod_path__parse_name(&m, dent->d_name);
if (ret)
goto out;
if (m.kmod)
ret = map_groups__set_module_path(mg, path, &m);
free(m.name);
if (ret)
goto out;
}
dso__set_long_name(map->dso, long_name, true);
dso__kernel_module_get_build_id(map->dso, "");
}
}