2009-05-26 01:17:18 -06:00
|
|
|
#include "util/util.h"
|
|
|
|
|
|
|
|
#include <libelf.h>
|
2009-05-18 11:28:47 -06:00
|
|
|
#include <gelf.h>
|
|
|
|
#include <elf.h>
|
2009-05-26 16:21:55 -06:00
|
|
|
#include <ctype.h>
|
2009-05-26 01:17:18 -06:00
|
|
|
|
2009-05-18 13:24:49 -06:00
|
|
|
#include "util/list.h"
|
|
|
|
#include "util/rbtree.h"
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
#include "perf.h"
|
|
|
|
|
|
|
|
#include "util/parse-options.h"
|
|
|
|
#include "util/parse-events.h"
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
#define SHOW_KERNEL 1
|
|
|
|
#define SHOW_USER 2
|
|
|
|
#define SHOW_HV 4
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
static char const *input_name = "output.perf";
|
2009-05-18 09:45:42 -06:00
|
|
|
static int input;
|
|
|
|
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
|
|
|
|
|
2009-05-26 10:48:58 -06:00
|
|
|
static int dump_trace = 0;
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
static unsigned long page_size;
|
|
|
|
static unsigned long mmap_window = 32;
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
const char *perf_event_names[] = {
|
2009-05-18 09:45:42 -06:00
|
|
|
[PERF_EVENT_MMAP] = " PERF_EVENT_MMAP",
|
|
|
|
[PERF_EVENT_MUNMAP] = " PERF_EVENT_MUNMAP",
|
|
|
|
[PERF_EVENT_COMM] = " PERF_EVENT_COMM",
|
|
|
|
};
|
|
|
|
|
|
|
|
struct ip_event {
|
|
|
|
struct perf_event_header header;
|
|
|
|
__u64 ip;
|
|
|
|
__u32 pid, tid;
|
|
|
|
};
|
|
|
|
struct mmap_event {
|
|
|
|
struct perf_event_header header;
|
|
|
|
__u32 pid, tid;
|
|
|
|
__u64 start;
|
|
|
|
__u64 len;
|
|
|
|
__u64 pgoff;
|
|
|
|
char filename[PATH_MAX];
|
|
|
|
};
|
|
|
|
struct comm_event {
|
|
|
|
struct perf_event_header header;
|
|
|
|
__u32 pid,tid;
|
|
|
|
char comm[16];
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef union event_union {
|
|
|
|
struct perf_event_header header;
|
|
|
|
struct ip_event ip;
|
|
|
|
struct mmap_event mmap;
|
|
|
|
struct comm_event comm;
|
|
|
|
} event_t;
|
|
|
|
|
|
|
|
struct symbol {
|
2009-05-18 13:24:49 -06:00
|
|
|
struct rb_node rb_node;
|
|
|
|
uint64_t start;
|
|
|
|
uint64_t end;
|
|
|
|
char name[0];
|
2009-05-18 09:45:42 -06:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct symbol *symbol__new(uint64_t start, uint64_t len, const char *name)
|
|
|
|
{
|
|
|
|
struct symbol *self = malloc(sizeof(*self) + strlen(name) + 1);
|
|
|
|
|
|
|
|
if (self != NULL) {
|
|
|
|
self->start = start;
|
|
|
|
self->end = start + len;
|
|
|
|
strcpy(self->name, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void symbol__delete(struct symbol *self)
|
|
|
|
{
|
|
|
|
free(self);
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t symbol__fprintf(struct symbol *self, FILE *fp)
|
|
|
|
{
|
|
|
|
return fprintf(fp, " %lx-%lx %s\n",
|
|
|
|
self->start, self->end, self->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
struct dso {
|
|
|
|
struct list_head node;
|
2009-05-18 13:24:49 -06:00
|
|
|
struct rb_root syms;
|
2009-05-18 09:45:42 -06:00
|
|
|
char name[0];
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct dso *dso__new(const char *name)
|
|
|
|
{
|
|
|
|
struct dso *self = malloc(sizeof(*self) + strlen(name) + 1);
|
|
|
|
|
|
|
|
if (self != NULL) {
|
|
|
|
strcpy(self->name, name);
|
2009-05-18 13:24:49 -06:00
|
|
|
self->syms = RB_ROOT;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dso__delete_symbols(struct dso *self)
|
|
|
|
{
|
2009-05-18 13:24:49 -06:00
|
|
|
struct symbol *pos;
|
|
|
|
struct rb_node *next = rb_first(&self->syms);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-18 13:24:49 -06:00
|
|
|
while (next) {
|
|
|
|
pos = rb_entry(next, struct symbol, rb_node);
|
|
|
|
next = rb_next(&pos->rb_node);
|
2009-05-18 09:45:42 -06:00
|
|
|
symbol__delete(pos);
|
2009-05-18 13:24:49 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void dso__delete(struct dso *self)
|
|
|
|
{
|
|
|
|
dso__delete_symbols(self);
|
|
|
|
free(self);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void dso__insert_symbol(struct dso *self, struct symbol *sym)
|
|
|
|
{
|
2009-05-18 13:24:49 -06:00
|
|
|
struct rb_node **p = &self->syms.rb_node;
|
|
|
|
struct rb_node *parent = NULL;
|
|
|
|
const uint64_t ip = sym->start;
|
|
|
|
struct symbol *s;
|
|
|
|
|
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
|
|
|
s = rb_entry(parent, struct symbol, rb_node);
|
|
|
|
if (ip < s->start)
|
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
|
|
|
}
|
|
|
|
rb_link_node(&sym->rb_node, parent, p);
|
|
|
|
rb_insert_color(&sym->rb_node, &self->syms);
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct symbol *dso__find_symbol(struct dso *self, uint64_t ip)
|
|
|
|
{
|
|
|
|
if (self == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
2009-05-18 13:24:49 -06:00
|
|
|
struct rb_node *n = self->syms.rb_node;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-18 13:24:49 -06:00
|
|
|
while (n) {
|
|
|
|
struct symbol *s = rb_entry(n, struct symbol, rb_node);
|
|
|
|
|
|
|
|
if (ip < s->start)
|
|
|
|
n = n->rb_left;
|
|
|
|
else if (ip > s->end)
|
|
|
|
n = n->rb_right;
|
|
|
|
else
|
|
|
|
return s;
|
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-05-18 11:28:47 -06:00
|
|
|
/**
|
|
|
|
* elf_symtab__for_each_symbol - iterate thru all the symbols
|
|
|
|
*
|
|
|
|
* @self: struct elf_symtab instance to iterate
|
|
|
|
* @index: uint32_t index
|
|
|
|
* @sym: GElf_Sym iterator
|
|
|
|
*/
|
|
|
|
#define elf_symtab__for_each_symbol(syms, nr_syms, index, sym) \
|
|
|
|
for (index = 0, gelf_getsym(syms, index, &sym);\
|
|
|
|
index < nr_syms; \
|
|
|
|
index++, gelf_getsym(syms, index, &sym))
|
|
|
|
|
|
|
|
static inline uint8_t elf_sym__type(const GElf_Sym *sym)
|
|
|
|
{
|
|
|
|
return GELF_ST_TYPE(sym->st_info);
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
static inline int elf_sym__is_function(const GElf_Sym *sym)
|
2009-05-18 11:28:47 -06:00
|
|
|
{
|
|
|
|
return elf_sym__type(sym) == STT_FUNC &&
|
|
|
|
sym->st_name != 0 &&
|
|
|
|
sym->st_shndx != SHN_UNDEF;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline const char *elf_sym__name(const GElf_Sym *sym,
|
|
|
|
const Elf_Data *symstrs)
|
|
|
|
{
|
|
|
|
return symstrs->d_buf + sym->st_name;
|
|
|
|
}
|
|
|
|
|
|
|
|
static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
|
|
|
|
GElf_Shdr *shp, const char *name,
|
|
|
|
size_t *index)
|
|
|
|
{
|
|
|
|
Elf_Scn *sec = NULL;
|
|
|
|
size_t cnt = 1;
|
|
|
|
|
|
|
|
while ((sec = elf_nextscn(elf, sec)) != NULL) {
|
|
|
|
char *str;
|
|
|
|
|
|
|
|
gelf_getshdr(sec, shp);
|
|
|
|
str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
|
|
|
|
if (!strcmp(name, str)) {
|
|
|
|
if (index)
|
|
|
|
*index = cnt;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
++cnt;
|
|
|
|
}
|
|
|
|
|
|
|
|
return sec;
|
|
|
|
}
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
static int dso__load(struct dso *self)
|
|
|
|
{
|
2009-05-18 11:28:47 -06:00
|
|
|
int fd = open(self->name, O_RDONLY), err = -1;
|
|
|
|
|
|
|
|
if (fd == -1)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
Elf *elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
|
|
|
|
if (elf == NULL) {
|
|
|
|
fprintf(stderr, "%s: cannot read %s ELF file.\n",
|
|
|
|
__func__, self->name);
|
|
|
|
goto out_close;
|
|
|
|
}
|
|
|
|
|
|
|
|
GElf_Ehdr ehdr;
|
|
|
|
if (gelf_getehdr(elf, &ehdr) == NULL) {
|
|
|
|
fprintf(stderr, "%s: cannot get elf header.\n", __func__);
|
|
|
|
goto out_elf_end;
|
|
|
|
}
|
|
|
|
|
|
|
|
GElf_Shdr shdr;
|
|
|
|
Elf_Scn *sec = elf_section_by_name(elf, &ehdr, &shdr, ".symtab", NULL);
|
|
|
|
if (sec == NULL)
|
|
|
|
sec = elf_section_by_name(elf, &ehdr, &shdr, ".dynsym", NULL);
|
|
|
|
|
|
|
|
if (sec == NULL)
|
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
Elf_Data *syms = elf_getdata(sec, NULL);
|
|
|
|
if (syms == NULL)
|
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
sec = elf_getscn(elf, shdr.sh_link);
|
|
|
|
if (sec == NULL)
|
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
Elf_Data *symstrs = elf_getdata(sec, NULL);
|
|
|
|
if (symstrs == NULL)
|
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
const uint32_t nr_syms = shdr.sh_size / shdr.sh_entsize;
|
|
|
|
|
|
|
|
GElf_Sym sym;
|
|
|
|
uint32_t index;
|
|
|
|
elf_symtab__for_each_symbol(syms, nr_syms, index, sym) {
|
2009-05-26 07:30:22 -06:00
|
|
|
struct symbol *f;
|
|
|
|
|
2009-05-18 11:28:47 -06:00
|
|
|
if (!elf_sym__is_function(&sym))
|
|
|
|
continue;
|
2009-05-26 07:30:22 -06:00
|
|
|
|
|
|
|
sec = elf_getscn(elf, sym.st_shndx);
|
|
|
|
if (!sec)
|
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
gelf_getshdr(sec, &shdr);
|
|
|
|
sym.st_value -= shdr.sh_addr - shdr.sh_offset;
|
|
|
|
|
|
|
|
f = symbol__new(sym.st_value, sym.st_size,
|
|
|
|
elf_sym__name(&sym, symstrs));
|
|
|
|
if (!f)
|
2009-05-18 11:28:47 -06:00
|
|
|
goto out_elf_end;
|
|
|
|
|
|
|
|
dso__insert_symbol(self, f);
|
|
|
|
}
|
|
|
|
|
|
|
|
err = 0;
|
|
|
|
out_elf_end:
|
|
|
|
elf_end(elf);
|
|
|
|
out_close:
|
|
|
|
close(fd);
|
|
|
|
return err;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static size_t dso__fprintf(struct dso *self, FILE *fp)
|
|
|
|
{
|
|
|
|
size_t ret = fprintf(fp, "dso: %s\n", self->name);
|
|
|
|
|
2009-05-18 13:24:49 -06:00
|
|
|
struct rb_node *nd;
|
|
|
|
for (nd = rb_first(&self->syms); nd; nd = rb_next(nd)) {
|
|
|
|
struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
|
2009-05-18 09:45:42 -06:00
|
|
|
ret += symbol__fprintf(pos, fp);
|
2009-05-18 13:24:49 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static LIST_HEAD(dsos);
|
|
|
|
static struct dso *kernel_dso;
|
|
|
|
|
|
|
|
static void dsos__add(struct dso *dso)
|
|
|
|
{
|
|
|
|
list_add_tail(&dso->node, &dsos);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct dso *dsos__find(const char *name)
|
|
|
|
{
|
|
|
|
struct dso *pos;
|
|
|
|
|
|
|
|
list_for_each_entry(pos, &dsos, node)
|
|
|
|
if (strcmp(pos->name, name) == 0)
|
|
|
|
return pos;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct dso *dsos__findnew(const char *name)
|
|
|
|
{
|
|
|
|
struct dso *dso = dsos__find(name);
|
|
|
|
|
|
|
|
if (dso == NULL) {
|
|
|
|
dso = dso__new(name);
|
|
|
|
if (dso != NULL && dso__load(dso) < 0)
|
|
|
|
goto out_delete_dso;
|
|
|
|
|
|
|
|
dsos__add(dso);
|
|
|
|
}
|
|
|
|
|
|
|
|
return dso;
|
|
|
|
|
|
|
|
out_delete_dso:
|
|
|
|
dso__delete(dso);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
void dsos__fprintf(FILE *fp)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
|
|
|
struct dso *pos;
|
|
|
|
|
|
|
|
list_for_each_entry(pos, &dsos, node)
|
|
|
|
dso__fprintf(pos, fp);
|
|
|
|
}
|
|
|
|
|
2009-05-26 16:20:57 -06:00
|
|
|
static int hex(char ch)
|
|
|
|
{
|
|
|
|
if ((ch >= '0') && (ch <= '9'))
|
|
|
|
return ch - '0';
|
|
|
|
if ((ch >= 'a') && (ch <= 'f'))
|
|
|
|
return ch - 'a' + 10;
|
|
|
|
if ((ch >= 'A') && (ch <= 'F'))
|
|
|
|
return ch - 'A' + 10;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* While we find nice hex chars, build a long_val.
|
|
|
|
* Return number of chars processed.
|
|
|
|
*/
|
|
|
|
int hex2long(char *ptr, unsigned long *long_val)
|
|
|
|
{
|
|
|
|
const char *p = ptr;
|
|
|
|
*long_val = 0;
|
|
|
|
|
|
|
|
while (*p) {
|
|
|
|
const int hex_val = hex(*p);
|
|
|
|
|
|
|
|
if (hex_val < 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
*long_val = (*long_val << 4) | hex_val;
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return p - ptr;
|
|
|
|
}
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
static int load_kallsyms(void)
|
|
|
|
{
|
2009-05-27 00:38:48 -06:00
|
|
|
struct rb_node *nd, *prevnd;
|
|
|
|
char *line = NULL;
|
|
|
|
FILE *file;
|
|
|
|
size_t n;
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
kernel_dso = dso__new("[kernel]");
|
|
|
|
if (kernel_dso == NULL)
|
|
|
|
return -1;
|
|
|
|
|
2009-05-27 00:38:48 -06:00
|
|
|
file = fopen("/proc/kallsyms", "r");
|
2009-05-18 09:45:42 -06:00
|
|
|
if (file == NULL)
|
|
|
|
goto out_delete_dso;
|
|
|
|
|
|
|
|
while (!feof(file)) {
|
2009-05-26 16:20:57 -06:00
|
|
|
unsigned long start;
|
2009-05-27 00:38:48 -06:00
|
|
|
struct symbol *sym;
|
|
|
|
int line_len, len;
|
|
|
|
char symbol_type;
|
|
|
|
|
|
|
|
line_len = getline(&line, &n, file);
|
2009-05-26 16:20:57 -06:00
|
|
|
if (line_len < 0)
|
2009-05-18 09:45:42 -06:00
|
|
|
break;
|
|
|
|
|
|
|
|
if (!line)
|
|
|
|
goto out_delete_dso;
|
|
|
|
|
2009-05-26 16:20:57 -06:00
|
|
|
line[--line_len] = '\0'; /* \n */
|
2009-05-26 09:21:34 -06:00
|
|
|
|
2009-05-27 00:38:48 -06:00
|
|
|
len = hex2long(line, &start);
|
|
|
|
|
2009-05-26 16:21:55 -06:00
|
|
|
len++;
|
|
|
|
if (len + 2 >= line_len)
|
|
|
|
continue;
|
|
|
|
|
2009-05-27 00:38:48 -06:00
|
|
|
symbol_type = toupper(line[len]);
|
2009-05-26 16:21:55 -06:00
|
|
|
/*
|
|
|
|
* We're interested only in code ('T'ext)
|
|
|
|
*/
|
2009-05-27 00:38:48 -06:00
|
|
|
if (symbol_type != 'T' && symbol_type != 'W')
|
2009-05-26 16:20:57 -06:00
|
|
|
continue;
|
|
|
|
/*
|
|
|
|
* Well fix up the end later, when we have all sorted.
|
|
|
|
*/
|
2009-05-27 00:38:48 -06:00
|
|
|
sym = symbol__new(start, 0xdead, line + len + 2);
|
2009-05-26 09:21:34 -06:00
|
|
|
|
2009-05-26 16:20:57 -06:00
|
|
|
if (sym == NULL)
|
|
|
|
goto out_delete_dso;
|
|
|
|
|
|
|
|
dso__insert_symbol(kernel_dso, sym);
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-26 09:21:34 -06:00
|
|
|
/*
|
|
|
|
* Now that we have all sorted out, just set the ->end of all
|
|
|
|
* symbols
|
|
|
|
*/
|
2009-05-27 00:38:48 -06:00
|
|
|
prevnd = rb_first(&kernel_dso->syms);
|
2009-05-26 09:21:34 -06:00
|
|
|
|
|
|
|
if (prevnd == NULL)
|
|
|
|
goto out_delete_line;
|
|
|
|
|
|
|
|
for (nd = rb_next(prevnd); nd; nd = rb_next(nd)) {
|
|
|
|
struct symbol *prev = rb_entry(prevnd, struct symbol, rb_node),
|
|
|
|
*curr = rb_entry(nd, struct symbol, rb_node);
|
|
|
|
|
|
|
|
prev->end = curr->start - 1;
|
|
|
|
prevnd = nd;
|
|
|
|
}
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
dsos__add(kernel_dso);
|
|
|
|
free(line);
|
|
|
|
fclose(file);
|
2009-05-27 00:38:48 -06:00
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
return 0;
|
|
|
|
|
2009-05-26 08:14:27 -06:00
|
|
|
out_delete_line:
|
|
|
|
free(line);
|
2009-05-18 09:45:42 -06:00
|
|
|
out_delete_dso:
|
|
|
|
dso__delete(kernel_dso);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct map {
|
|
|
|
struct list_head node;
|
|
|
|
uint64_t start;
|
|
|
|
uint64_t end;
|
|
|
|
uint64_t pgoff;
|
|
|
|
struct dso *dso;
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct map *map__new(struct mmap_event *event)
|
|
|
|
{
|
|
|
|
struct map *self = malloc(sizeof(*self));
|
|
|
|
|
|
|
|
if (self != NULL) {
|
|
|
|
self->start = event->start;
|
|
|
|
self->end = event->start + event->len;
|
|
|
|
self->pgoff = event->pgoff;
|
|
|
|
|
|
|
|
self->dso = dsos__findnew(event->filename);
|
|
|
|
if (self->dso == NULL)
|
|
|
|
goto out_delete;
|
|
|
|
}
|
|
|
|
return self;
|
|
|
|
out_delete:
|
|
|
|
free(self);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t map__fprintf(struct map *self, FILE *fp)
|
|
|
|
{
|
|
|
|
return fprintf(fp, " %lx-%lx %lx %s\n",
|
|
|
|
self->start, self->end, self->pgoff, self->dso->name);
|
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
struct thread;
|
|
|
|
|
|
|
|
static const char *thread__name(struct thread *self, char *bf, size_t size);
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
struct symhist {
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node rb_node;
|
2009-05-18 09:45:42 -06:00
|
|
|
struct dso *dso;
|
|
|
|
struct symbol *sym;
|
2009-05-26 13:19:04 -06:00
|
|
|
struct thread *thread;
|
2009-05-19 06:30:23 -06:00
|
|
|
uint64_t ip;
|
2009-05-18 09:45:42 -06:00
|
|
|
uint32_t count;
|
|
|
|
char level;
|
|
|
|
};
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
static struct symhist *symhist__new(struct symbol *sym, uint64_t ip,
|
2009-05-26 13:19:04 -06:00
|
|
|
struct thread *thread, struct dso *dso,
|
|
|
|
char level)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
|
|
|
struct symhist *self = malloc(sizeof(*self));
|
|
|
|
|
|
|
|
if (self != NULL) {
|
2009-05-26 13:19:04 -06:00
|
|
|
self->sym = sym;
|
|
|
|
self->thread = thread;
|
|
|
|
self->ip = ip;
|
|
|
|
self->dso = dso;
|
|
|
|
self->level = level;
|
|
|
|
self->count = 1;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
void symhist__delete(struct symhist *self)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
|
|
|
free(self);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void symhist__inc(struct symhist *self)
|
|
|
|
{
|
|
|
|
++self->count;
|
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
static size_t
|
|
|
|
symhist__fprintf(struct symhist *self, uint64_t total_samples, FILE *fp)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
2009-05-26 13:19:04 -06:00
|
|
|
char bf[32];
|
|
|
|
size_t ret;
|
|
|
|
|
|
|
|
if (total_samples)
|
|
|
|
ret = fprintf(fp, "%5.2f", (self->count * 100.0) / total_samples);
|
|
|
|
else
|
|
|
|
ret = fprintf(fp, "%12d", self->count);
|
|
|
|
|
|
|
|
ret += fprintf(fp, "%14s [%c] %#018llx ",
|
|
|
|
thread__name(self->thread, bf, sizeof(bf)),
|
|
|
|
self->level, (unsigned long long)self->ip);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
if (self->level != '.')
|
2009-05-26 13:19:04 -06:00
|
|
|
ret += fprintf(fp, "%s\n",
|
|
|
|
self->sym ? self->sym->name : "<unknown>");
|
2009-05-18 09:45:42 -06:00
|
|
|
else
|
2009-05-26 13:19:04 -06:00
|
|
|
ret += fprintf(fp, "%s: %s\n",
|
2009-05-26 07:30:22 -06:00
|
|
|
self->dso ? self->dso->name : "<unknown>",
|
2009-05-18 09:45:42 -06:00
|
|
|
self->sym ? self->sym->name : "<unknown>");
|
2009-05-26 13:19:04 -06:00
|
|
|
return ret;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
struct thread {
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node rb_node;
|
2009-05-18 09:45:42 -06:00
|
|
|
struct list_head maps;
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_root symhists;
|
2009-05-18 09:45:42 -06:00
|
|
|
pid_t pid;
|
|
|
|
char *comm;
|
|
|
|
};
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
static const char *thread__name(struct thread *self, char *bf, size_t size)
|
|
|
|
{
|
|
|
|
if (self->comm)
|
|
|
|
return self->comm;
|
|
|
|
|
|
|
|
snprintf(bf, sizeof(bf), ":%u", self->pid);
|
|
|
|
return bf;
|
|
|
|
}
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
static struct thread *thread__new(pid_t pid)
|
|
|
|
{
|
|
|
|
struct thread *self = malloc(sizeof(*self));
|
|
|
|
|
|
|
|
if (self != NULL) {
|
|
|
|
self->pid = pid;
|
|
|
|
self->comm = NULL;
|
|
|
|
INIT_LIST_HEAD(&self->maps);
|
2009-05-19 06:30:23 -06:00
|
|
|
self->symhists = RB_ROOT;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
static int thread__symbol_incnew(struct thread *self, struct symbol *sym,
|
|
|
|
uint64_t ip, struct dso *dso, char level)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node **p = &self->symhists.rb_node;
|
|
|
|
struct rb_node *parent = NULL;
|
|
|
|
struct symhist *sh;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
|
|
|
sh = rb_entry(parent, struct symhist, rb_node);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (sh->sym == sym || ip == sh->ip) {
|
|
|
|
symhist__inc(sh);
|
|
|
|
return 0;
|
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
/* Handle unresolved symbols too */
|
|
|
|
const uint64_t start = !sh->sym ? sh->ip : sh->sym->start;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (ip < start)
|
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
sh = symhist__new(sym, ip, self, dso, level);
|
2009-05-19 06:30:23 -06:00
|
|
|
if (sh == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
rb_link_node(&sh->rb_node, parent, p);
|
|
|
|
rb_insert_color(&sh->rb_node, &self->symhists);
|
2009-05-18 09:45:42 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int thread__set_comm(struct thread *self, const char *comm)
|
|
|
|
{
|
|
|
|
self->comm = strdup(comm);
|
|
|
|
return self->comm ? 0 : -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
size_t thread__maps_fprintf(struct thread *self, FILE *fp)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
|
|
|
struct map *pos;
|
|
|
|
size_t ret = 0;
|
|
|
|
|
|
|
|
list_for_each_entry(pos, &self->maps, node)
|
|
|
|
ret += map__fprintf(pos, fp);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t thread__fprintf(struct thread *self, FILE *fp)
|
|
|
|
{
|
|
|
|
int ret = fprintf(fp, "thread: %d %s\n", self->pid, self->comm);
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node *nd;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
for (nd = rb_first(&self->symhists); nd; nd = rb_next(nd)) {
|
|
|
|
struct symhist *pos = rb_entry(nd, struct symhist, rb_node);
|
2009-05-26 13:19:04 -06:00
|
|
|
ret += symhist__fprintf(pos, 0, fp);
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
static struct rb_root threads = RB_ROOT;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
static struct thread *threads__findnew(pid_t pid)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node **p = &threads.rb_node;
|
|
|
|
struct rb_node *parent = NULL;
|
|
|
|
struct thread *th;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
|
|
|
th = rb_entry(parent, struct thread, rb_node);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (th->pid == pid)
|
|
|
|
return th;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (pid < th->pid)
|
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
th = thread__new(pid);
|
|
|
|
if (th != NULL) {
|
|
|
|
rb_link_node(&th->rb_node, parent, p);
|
|
|
|
rb_insert_color(&th->rb_node, &threads);
|
|
|
|
}
|
|
|
|
return th;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void thread__insert_map(struct thread *self, struct map *map)
|
|
|
|
{
|
|
|
|
list_add_tail(&map->node, &self->maps);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct map *thread__find_map(struct thread *self, uint64_t ip)
|
|
|
|
{
|
|
|
|
if (self == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
struct map *pos;
|
|
|
|
|
|
|
|
list_for_each_entry(pos, &self->maps, node)
|
|
|
|
if (ip >= pos->start && ip <= pos->end)
|
|
|
|
return pos;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
void threads__fprintf(FILE *fp)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
2009-05-19 06:30:23 -06:00
|
|
|
struct rb_node *nd;
|
|
|
|
for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {
|
|
|
|
struct thread *pos = rb_entry(nd, struct thread, rb_node);
|
2009-05-18 09:45:42 -06:00
|
|
|
thread__fprintf(pos, fp);
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
static struct rb_root global_symhists = RB_ROOT;
|
|
|
|
|
|
|
|
static void threads__insert_symhist(struct symhist *sh)
|
|
|
|
{
|
|
|
|
struct rb_node **p = &global_symhists.rb_node;
|
|
|
|
struct rb_node *parent = NULL;
|
|
|
|
struct symhist *iter;
|
|
|
|
|
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
|
|
|
iter = rb_entry(parent, struct symhist, rb_node);
|
|
|
|
|
|
|
|
/* Reverse order */
|
|
|
|
if (sh->count > iter->count)
|
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
|
|
|
}
|
|
|
|
|
|
|
|
rb_link_node(&sh->rb_node, parent, p);
|
|
|
|
rb_insert_color(&sh->rb_node, &global_symhists);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void threads__sort_symhists(void)
|
|
|
|
{
|
|
|
|
struct rb_node *nd;
|
|
|
|
|
|
|
|
for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {
|
|
|
|
struct thread *thread = rb_entry(nd, struct thread, rb_node);
|
|
|
|
struct rb_node *next = rb_first(&thread->symhists);
|
|
|
|
|
|
|
|
while (next) {
|
|
|
|
struct symhist *n = rb_entry(next, struct symhist,
|
|
|
|
rb_node);
|
|
|
|
next = rb_next(&n->rb_node);
|
|
|
|
rb_erase(&n->rb_node, &thread->symhists);
|
|
|
|
threads__insert_symhist(n);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t threads__symhists_fprintf(uint64_t total_samples, FILE *fp)
|
|
|
|
{
|
|
|
|
struct rb_node *nd;
|
|
|
|
size_t ret = 0;
|
|
|
|
|
|
|
|
for (nd = rb_first(&global_symhists); nd; nd = rb_next(nd)) {
|
|
|
|
struct symhist *pos = rb_entry(nd, struct symhist, rb_node);
|
|
|
|
ret += symhist__fprintf(pos, total_samples, fp);
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
static int __cmd_report(void)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
|
|
|
unsigned long offset = 0;
|
|
|
|
unsigned long head = 0;
|
|
|
|
struct stat stat;
|
|
|
|
char *buf;
|
|
|
|
event_t *event;
|
|
|
|
int ret, rc = EXIT_FAILURE;
|
2009-05-26 12:51:47 -06:00
|
|
|
uint32_t size;
|
2009-05-26 11:03:36 -06:00
|
|
|
unsigned long total = 0, total_mmap = 0, total_comm = 0, total_unknown = 0;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
input = open(input_name, O_RDONLY);
|
|
|
|
if (input < 0) {
|
|
|
|
perror("failed to open file");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = fstat(input, &stat);
|
|
|
|
if (ret < 0) {
|
|
|
|
perror("failed to stat file");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!stat.st_size) {
|
|
|
|
fprintf(stderr, "zero-sized file, nothing to do!\n");
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (load_kallsyms() < 0) {
|
|
|
|
perror("failed to open kallsyms");
|
|
|
|
return EXIT_FAILURE;
|
|
|
|
}
|
|
|
|
|
|
|
|
remap:
|
|
|
|
buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ,
|
|
|
|
MAP_SHARED, input, offset);
|
|
|
|
if (buf == MAP_FAILED) {
|
|
|
|
perror("failed to mmap file");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
more:
|
|
|
|
event = (event_t *)(buf + head);
|
|
|
|
|
2009-05-26 12:51:47 -06:00
|
|
|
size = event->header.size;
|
|
|
|
if (!size)
|
|
|
|
size = 8;
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
if (head + event->header.size >= page_size * mmap_window) {
|
|
|
|
unsigned long shift = page_size * (head / page_size);
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = munmap(buf, page_size * mmap_window);
|
|
|
|
assert(ret == 0);
|
|
|
|
|
|
|
|
offset += shift;
|
|
|
|
head -= shift;
|
|
|
|
goto remap;
|
|
|
|
}
|
|
|
|
|
2009-05-26 12:51:47 -06:00
|
|
|
size = event->header.size;
|
|
|
|
if (!size)
|
|
|
|
goto broken_event;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) {
|
|
|
|
char level;
|
|
|
|
int show = 0;
|
|
|
|
struct dso *dso = NULL;
|
|
|
|
struct thread *thread = threads__findnew(event->ip.pid);
|
2009-05-26 07:30:22 -06:00
|
|
|
uint64_t ip = event->ip.ip;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-26 10:48:58 -06:00
|
|
|
if (dump_trace) {
|
2009-05-26 11:03:36 -06:00
|
|
|
fprintf(stderr, "%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
|
|
|
|
(void *)(offset + head),
|
|
|
|
(void *)(long)(event->header.size),
|
2009-05-26 10:48:58 -06:00
|
|
|
event->header.misc,
|
|
|
|
event->ip.pid,
|
|
|
|
(void *)event->ip.ip);
|
|
|
|
}
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (thread == NULL) {
|
|
|
|
fprintf(stderr, "problem processing %d event, bailing out\n",
|
|
|
|
event->header.type);
|
2009-05-18 09:45:42 -06:00
|
|
|
goto done;
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
if (event->header.misc & PERF_EVENT_MISC_KERNEL) {
|
|
|
|
show = SHOW_KERNEL;
|
|
|
|
level = 'k';
|
|
|
|
dso = kernel_dso;
|
|
|
|
} else if (event->header.misc & PERF_EVENT_MISC_USER) {
|
|
|
|
show = SHOW_USER;
|
|
|
|
level = '.';
|
2009-05-26 07:30:22 -06:00
|
|
|
struct map *map = thread__find_map(thread, ip);
|
|
|
|
if (map != NULL) {
|
2009-05-18 09:45:42 -06:00
|
|
|
dso = map->dso;
|
2009-05-26 07:30:22 -06:00
|
|
|
ip -= map->start + map->pgoff;
|
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
} else {
|
|
|
|
show = SHOW_HV;
|
|
|
|
level = 'H';
|
|
|
|
}
|
|
|
|
|
|
|
|
if (show & show_mask) {
|
2009-05-26 07:30:22 -06:00
|
|
|
struct symbol *sym = dso__find_symbol(dso, ip);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
2009-05-26 07:30:22 -06:00
|
|
|
if (thread__symbol_incnew(thread, sym, ip, dso, level)) {
|
2009-05-19 06:30:23 -06:00
|
|
|
fprintf(stderr, "problem incrementing symbol count, bailing out\n");
|
2009-05-18 09:45:42 -06:00
|
|
|
goto done;
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
total++;
|
|
|
|
} else switch (event->header.type) {
|
|
|
|
case PERF_EVENT_MMAP: {
|
|
|
|
struct thread *thread = threads__findnew(event->mmap.pid);
|
|
|
|
struct map *map = map__new(&event->mmap);
|
|
|
|
|
2009-05-26 10:48:58 -06:00
|
|
|
if (dump_trace) {
|
2009-05-26 11:03:36 -06:00
|
|
|
fprintf(stderr, "%p [%p]: PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n",
|
|
|
|
(void *)(offset + head),
|
|
|
|
(void *)(long)(event->header.size),
|
2009-05-26 10:48:58 -06:00
|
|
|
(void *)event->mmap.start,
|
|
|
|
(void *)event->mmap.len,
|
|
|
|
(void *)event->mmap.pgoff,
|
|
|
|
event->mmap.filename);
|
|
|
|
}
|
2009-05-19 06:30:23 -06:00
|
|
|
if (thread == NULL || map == NULL) {
|
|
|
|
fprintf(stderr, "problem processing PERF_EVENT_MMAP, bailing out\n");
|
2009-05-18 09:45:42 -06:00
|
|
|
goto done;
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
thread__insert_map(thread, map);
|
2009-05-26 10:48:58 -06:00
|
|
|
total_mmap++;
|
2009-05-18 09:45:42 -06:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PERF_EVENT_COMM: {
|
|
|
|
struct thread *thread = threads__findnew(event->comm.pid);
|
|
|
|
|
2009-05-26 10:48:58 -06:00
|
|
|
if (dump_trace) {
|
2009-05-26 11:03:36 -06:00
|
|
|
fprintf(stderr, "%p [%p]: PERF_EVENT_COMM: %s:%d\n",
|
|
|
|
(void *)(offset + head),
|
|
|
|
(void *)(long)(event->header.size),
|
2009-05-26 10:48:58 -06:00
|
|
|
event->comm.comm, event->comm.pid);
|
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
if (thread == NULL ||
|
2009-05-19 06:30:23 -06:00
|
|
|
thread__set_comm(thread, event->comm.comm)) {
|
|
|
|
fprintf(stderr, "problem processing PERF_EVENT_COMM, bailing out\n");
|
2009-05-18 09:45:42 -06:00
|
|
|
goto done;
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-26 10:48:58 -06:00
|
|
|
total_comm++;
|
2009-05-18 09:45:42 -06:00
|
|
|
break;
|
|
|
|
}
|
2009-05-26 10:48:58 -06:00
|
|
|
default: {
|
2009-05-26 12:51:47 -06:00
|
|
|
broken_event:
|
2009-05-26 11:03:36 -06:00
|
|
|
fprintf(stderr, "%p [%p]: skipping unknown header type: %d\n",
|
|
|
|
(void *)(offset + head),
|
|
|
|
(void *)(long)(event->header.size),
|
2009-05-26 10:48:58 -06:00
|
|
|
event->header.type);
|
2009-05-26 10:53:17 -06:00
|
|
|
total_unknown++;
|
2009-05-26 12:51:47 -06:00
|
|
|
|
|
|
|
/*
|
|
|
|
* assume we lost track of the stream, check alignment, and
|
|
|
|
* increment a single u64 in the hope to catch on again 'soon'.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (unlikely(head & 7))
|
|
|
|
head &= ~7ULL;
|
|
|
|
|
|
|
|
size = 8;
|
2009-05-26 10:48:58 -06:00
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-26 12:51:47 -06:00
|
|
|
head += size;
|
2009-05-26 11:03:36 -06:00
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
if (offset + head < stat.st_size)
|
|
|
|
goto more;
|
|
|
|
|
|
|
|
rc = EXIT_SUCCESS;
|
|
|
|
done:
|
|
|
|
close(input);
|
2009-05-26 10:48:58 -06:00
|
|
|
|
|
|
|
if (dump_trace) {
|
2009-05-26 10:53:17 -06:00
|
|
|
fprintf(stderr, " IP events: %10ld\n", total);
|
|
|
|
fprintf(stderr, " mmap events: %10ld\n", total_mmap);
|
|
|
|
fprintf(stderr, " comm events: %10ld\n", total_comm);
|
|
|
|
fprintf(stderr, " unknown events: %10ld\n", total_unknown);
|
2009-05-26 10:48:58 -06:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
threads__sort_symhists();
|
|
|
|
threads__symhists_fprintf(total, stdout);
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
static const char * const report_usage[] = {
|
|
|
|
"perf report [<options>] <command>",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct option options[] = {
|
|
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
|
|
"input file name"),
|
2009-05-26 10:48:58 -06:00
|
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
|
|
"dump raw trace in ASCII"),
|
2009-05-26 01:17:18 -06:00
|
|
|
OPT_END()
|
|
|
|
};
|
|
|
|
|
|
|
|
int cmd_report(int argc, const char **argv, const char *prefix)
|
|
|
|
{
|
|
|
|
elf_version(EV_CURRENT);
|
|
|
|
|
|
|
|
page_size = getpagesize();
|
|
|
|
|
|
|
|
parse_options(argc, argv, options, report_usage, 0);
|
|
|
|
|
|
|
|
return __cmd_report();
|
|
|
|
}
|