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Merge branch 'perf/urgent' into perf/core

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Merge reason: We want to apply a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2010-12-16 11:22:25 +01:00
parent 5f29805a4f d949750fed
commit 006b20fe4c
63 changed files with 906 additions and 221 deletions
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59
tools/perf/util/symbol.c
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@@ -532,7 +532,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
struct machine *machine = kmaps->machine;
struct map *curr_map = map;
struct symbol *pos;
int count = 0;
int count = 0, moved = 0;
struct rb_root *root = &self->symbols[map->type];
struct rb_node *next = rb_first(root);
int kernel_range = 0;
@@ -590,6 +590,11 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
char dso_name[PATH_MAX];
struct dso *dso;
if (count == 0) {
curr_map = map;
goto filter_symbol;
}
if (self->kernel == DSO_TYPE_GUEST_KERNEL)
snprintf(dso_name, sizeof(dso_name),
"[guest.kernel].%d",
@@ -615,7 +620,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
map_groups__insert(kmaps, curr_map);
++kernel_range;
}
filter_symbol:
if (filter && filter(curr_map, pos)) {
discard_symbol: rb_erase(&pos->rb_node, root);
symbol__delete(pos);
@@ -623,8 +628,9 @@ discard_symbol: rb_erase(&pos->rb_node, root);
if (curr_map != map) {
rb_erase(&pos->rb_node, root);
symbols__insert(&curr_map->dso->symbols[curr_map->type], pos);
}
count++;
++moved;
} else
++count;
}
}
@@ -634,7 +640,7 @@ discard_symbol: rb_erase(&pos->rb_node, root);
dso__set_loaded(curr_map->dso, curr_map->type);
}
return count;
return count + moved;
}
int dso__load_kallsyms(struct dso *self, const char *filename,
@@ -2130,14 +2136,55 @@ static struct dso *machine__create_kernel(struct machine *self)
return kernel;
}
struct process_args {
u64 start;
};
static int symbol__in_kernel(void *arg, const char *name,
char type __used, u64 start)
{
struct process_args *args = arg;
if (strchr(name, '['))
return 0;
args->start = start;
return 1;
}
/* Figure out the start address of kernel map from /proc/kallsyms */
static u64 machine__get_kernel_start_addr(struct machine *machine)
{
const char *filename;
char path[PATH_MAX];
struct process_args args;
if (machine__is_host(machine)) {
filename = "/proc/kallsyms";
} else {
if (machine__is_default_guest(machine))
filename = (char *)symbol_conf.default_guest_kallsyms;
else {
sprintf(path, "%s/proc/kallsyms", machine->root_dir);
filename = path;
}
}
if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0)
return 0;
return args.start;
}
int __machine__create_kernel_maps(struct machine *self, struct dso *kernel)
{
enum map_type type;
u64 start = machine__get_kernel_start_addr(self);
for (type = 0; type < MAP__NR_TYPES; ++type) {
struct kmap *kmap;
self->vmlinux_maps[type] = map__new2(0, kernel, type);
self->vmlinux_maps[type] = map__new2(start, kernel, type);
if (self->vmlinux_maps[type] == NULL)
return -1;