/*
* builtin-annotate.c
*
* Builtin annotate command: Analyze the perf.data input file,
* look up and read DSOs and symbol information and display
* a histogram of results, along various sorting keys.
*/
#include "builtin.h"
#include "util/util.h"
#include "util/color.h"
#include <linux/list.h>
#include "util/cache.h"
#include <linux/rbtree.h>
#include "util/symbol.h"
#include "util/string.h"
#include "perf.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
#include "util/thread.h"
#define SHOW_KERNEL 1
#define SHOW_USER 2
#define SHOW_HV 4
static char const *input_name = "perf.data";
static char default_sort_order[] = "comm,symbol";
static char *sort_order = default_sort_order;
static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
static int full_paths;
static int print_line;
static unsigned long page_size;
static unsigned long mmap_window = 32;
static struct rb_root threads;
static struct thread *last_match;
struct sym_ext {
struct rb_node node;
double percent;
char *path;
};
/*
* histogram, sorted on item, collects counts
*/
static struct rb_root hist;
struct hist_entry {
struct rb_node rb_node;
struct thread *thread;
struct map *map;
struct dso *dso;
struct symbol *sym;
u64 ip;
char level;
uint32_t count;
};
/*
* configurable sorting bits
*/
struct sort_entry {
struct list_head list;
const char *header;
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
size_t (*print)(FILE *fp, struct hist_entry *);
};
/* --sort pid */
static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static size_t
sort__thread_print(FILE *fp, struct hist_entry *self)
{
return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid);
}
static struct sort_entry sort_thread = {
.header = " Command: Pid",
.cmp = sort__thread_cmp,
.print = sort__thread_print,
};
/* --sort comm */
static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
char *comm_l = left->thread->comm;
char *comm_r = right->thread->comm;
if (!comm_l || !comm_r) {
if (!comm_l && !comm_r)
return 0;
else if (!comm_l)
return -1;
else
return 1;
}
return strcmp(comm_l, comm_r);
}
static size_t
sort__comm_print(FILE *fp, struct hist_entry *self)
{
return fprintf(fp, "%16s",