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perf: 'perf kvm' tool for monitoring guest performance from host

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Here is the patch of userspace perf tool.

Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Zhang, Yanmin
2010-04-19 13:32:50 +08:00
committed by Avi Kivity
parent ff9d07a0e7
commit a1645ce12a
30 changed files with 1407 additions and 316 deletions
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75
tools/perf/util/map.h
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@ -19,6 +19,7 @@ extern const char *map_type__name[MAP__NR_TYPES];
struct dso;
struct ref_reloc_sym;
struct map_groups;
struct kernel_info;
struct map {
union {
@ -36,6 +37,7 @@ struct map {
u64 (*unmap_ip)(struct map *, u64);
struct dso *dso;
struct map_groups *groups;
};
struct kmap {
@ -43,6 +45,26 @@ struct kmap {
struct map_groups *kmaps;
};
struct map_groups {
struct rb_root maps[MAP__NR_TYPES];
struct list_head removed_maps[MAP__NR_TYPES];
struct kernel_info *this_kerninfo;
};
/* Native host kernel uses -1 as pid index in kernel_info */
#define HOST_KERNEL_ID (-1)
#define DEFAULT_GUEST_KERNEL_ID (0)
struct kernel_info {
struct rb_node rb_node;
pid_t pid;
char *root_dir;
struct list_head dsos__user;
struct list_head dsos__kernel;
struct map_groups kmaps;
struct map *vmlinux_maps[MAP__NR_TYPES];
};
static inline struct kmap *map__kmap(struct map *self)
{
return (struct kmap *)(self + 1);
@ -74,7 +96,8 @@ typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
void map__init(struct map *self, enum map_type type,
u64 start, u64 end, u64 pgoff, struct dso *dso);
struct map *map__new(u64 start, u64 len, u64 pgoff, u32 pid, char *filename,
struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
u64 pgoff, u32 pid, char *filename,
enum map_type type, char *cwd, int cwdlen);
void map__delete(struct map *self);
struct map *map__clone(struct map *self);
@ -91,11 +114,6 @@ void map__fixup_end(struct map *self);
void map__reloc_vmlinux(struct map *self);
struct map_groups {
struct rb_root maps[MAP__NR_TYPES];
struct list_head removed_maps[MAP__NR_TYPES];
};
size_t __map_groups__fprintf_maps(struct map_groups *self,
enum map_type type, int verbose, FILE *fp);
void maps__insert(struct rb_root *maps, struct map *map);
@ -106,9 +124,40 @@ int map_groups__clone(struct map_groups *self,
size_t map_groups__fprintf(struct map_groups *self, int verbose, FILE *fp);
size_t map_groups__fprintf_maps(struct map_groups *self, int verbose, FILE *fp);
struct kernel_info *add_new_kernel_info(struct rb_root *kerninfo_root,
pid_t pid, const char *root_dir);
struct kernel_info *kerninfo__find(struct rb_root *kerninfo_root, pid_t pid);
struct kernel_info *kerninfo__findnew(struct rb_root *kerninfo_root, pid_t pid);
struct kernel_info *kerninfo__findhost(struct rb_root *kerninfo_root);
char *kern_mmap_name(struct kernel_info *kerninfo, char *buff);
/*
* Default guest kernel is defined by parameter --guestkallsyms
* and --guestmodules
*/
static inline int is_default_guest(struct kernel_info *kerninfo)
{
if (!kerninfo)
return 0;
return kerninfo->pid == DEFAULT_GUEST_KERNEL_ID;
}
static inline int is_host_kernel(struct kernel_info *kerninfo)
{
if (!kerninfo)
return 0;
return kerninfo->pid == HOST_KERNEL_ID;
}
typedef void (*process_kernel_info)(struct kernel_info *kerninfo, void *data);
void kerninfo__process_allkernels(struct rb_root *kerninfo_root,
process_kernel_info process,
void *data);
static inline void map_groups__insert(struct map_groups *self, struct map *map)
{
maps__insert(&self->maps[map->type], map);
maps__insert(&self->maps[map->type], map);
map->groups = self;
}
static inline struct map *map_groups__find(struct map_groups *self,
@ -148,13 +197,11 @@ int map_groups__fixup_overlappings(struct map_groups *self, struct map *map,
struct map *map_groups__find_by_name(struct map_groups *self,
enum map_type type, const char *name);
int __map_groups__create_kernel_maps(struct map_groups *self,
struct map *vmlinux_maps[MAP__NR_TYPES],
struct dso *kernel);
int map_groups__create_kernel_maps(struct map_groups *self,
struct map *vmlinux_maps[MAP__NR_TYPES]);
struct map *map_groups__new_module(struct map_groups *self, u64 start,
const char *filename);
struct map *map_groups__new_module(struct map_groups *self,
u64 start,
const char *filename,
struct kernel_info *kerninfo);
void map_groups__flush(struct map_groups *self);
#endif /* __PERF_MAP_H */