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perf symbols: Remove open coded management of long_name_allocated member

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Instead of expecting callers to set this member accodingly so that later
at dso destruction it can, if needed, be correctly free()d, make it a
requirement by passing it as a parameter to dso__set_long_name.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-na7t1tqim22vuqkt4zq5n4ri@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-12-10 15:08:44 -03:00
parent 5230fb7db4
commit 7e155d4d5e
5 changed files with 16 additions and 13 deletions
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9
tools/perf/util/dso.c
View File

@ -386,12 +386,17 @@ struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
return dso;
}
void dso__set_long_name(struct dso *dso, char *name)
void dso__set_long_name(struct dso *dso, char *name, bool name_allocated)
{
if (name == NULL)
return;
if (dso->long_name_allocated)
free(dso->long_name);
dso->long_name = name;
dso->long_name_len = strlen(name);
dso->long_name_allocated = name_allocated;
}
void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated)
@ -444,7 +449,7 @@ struct dso *dso__new(const char *name)
if (dso != NULL) {
int i;
strcpy(dso->name, name);
dso__set_long_name(dso, dso->name);
dso__set_long_name(dso, dso->name, false);
dso__set_short_name(dso, dso->name, false);
for (i = 0; i < MAP__NR_TYPES; ++i)
dso->symbols[i] = dso->symbol_names[i] = RB_ROOT;

2
tools/perf/util/dso.h
View File

@ -111,7 +111,7 @@ struct dso *dso__new(const char *name);
void dso__delete(struct dso *dso);
void dso__set_short_name(struct dso *dso, const char *name, bool name_allocated);
void dso__set_long_name(struct dso *dso, char *name);
void dso__set_long_name(struct dso *dso, char *name, bool name_allocated);
int dso__name_len(const struct dso *dso);

3
tools/perf/util/machine.c
View File

@ -763,8 +763,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *mg,
ret = -1;
goto out;
}
dso__set_long_name(map->dso, long_name);
map->dso->long_name_allocated = 1;
dso__set_long_name(map->dso, long_name, true);
dso__kernel_module_get_build_id(map->dso, "");
}
}

9
tools/perf/util/symbol.c
View File

@ -1159,7 +1159,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map,
dso->data_type = DSO_BINARY_TYPE__GUEST_KCORE;
else
dso->data_type = DSO_BINARY_TYPE__KCORE;
dso__set_long_name(dso, strdup(kcore_filename));
dso__set_long_name(dso, strdup(kcore_filename), true);
close(fd);
@ -1438,8 +1438,7 @@ int dso__load_vmlinux(struct dso *dso, struct map *map,
dso->data_type = DSO_BINARY_TYPE__GUEST_VMLINUX;
else
dso->data_type = DSO_BINARY_TYPE__VMLINUX;
dso__set_long_name(dso, (char *)vmlinux);
dso->long_name_allocated = vmlinux_allocated;
dso__set_long_name(dso, (char *)vmlinux, vmlinux_allocated);
dso__set_loaded(dso, map->type);
pr_debug("Using %s for symbols\n", symfs_vmlinux);
}
@ -1631,7 +1630,7 @@ static int dso__load_kernel_sym(struct dso *dso, struct map *map,
free(kallsyms_allocated_filename);
if (err > 0 && !dso__is_kcore(dso)) {
dso__set_long_name(dso, strdup("[kernel.kallsyms]"));
dso__set_long_name(dso, strdup("[kernel.kallsyms]"), true);
map__fixup_start(map);
map__fixup_end(map);
}
@ -1679,7 +1678,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
pr_debug("Using %s for symbols\n", kallsyms_filename);
if (err > 0 && !dso__is_kcore(dso)) {
machine__mmap_name(machine, path, sizeof(path));
dso__set_long_name(dso, strdup(path));
dso__set_long_name(dso, strdup(path), true);
map__fixup_start(map);
map__fixup_end(map);
}

2
tools/perf/util/vdso.c
View File

@ -103,7 +103,7 @@ struct dso *vdso__dso_findnew(struct list_head *head)
dso = dso__new(VDSO__MAP_NAME);
if (dso != NULL) {
dsos__add(head, dso);
dso__set_long_name(dso, file);
dso__set_long_name(dso, file, false);
}
}