2009-05-26 01:17:18 -06:00
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#include "util/util.h"
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2009-05-27 01:10:38 -06:00
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#include "builtin.h"
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2009-05-26 01:17:18 -06:00
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#include <libelf.h>
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2009-05-18 11:28:47 -06:00
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#include <gelf.h>
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#include <elf.h>
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2009-05-26 01:17:18 -06:00
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2009-05-18 13:24:49 -06:00
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#include "util/list.h"
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2009-05-27 01:50:13 -06:00
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#include "util/cache.h"
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2009-05-18 13:24:49 -06:00
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#include "util/rbtree.h"
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2009-05-18 09:45:42 -06:00
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2009-05-26 01:17:18 -06:00
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#include "perf.h"
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#include "util/parse-options.h"
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#include "util/parse-events.h"
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2009-05-18 09:45:42 -06:00
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#define SHOW_KERNEL 1
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#define SHOW_USER 2
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#define SHOW_HV 4
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2009-05-27 01:33:18 -06:00
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static char const *input_name = "perf.data";
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2009-05-27 12:20:23 -06:00
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static char *vmlinux = NULL;
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2009-05-27 12:20:26 -06:00
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static char *sort_order = "pid,symbol";
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2009-05-18 09:45:42 -06:00
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static int input;
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static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
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2009-05-26 10:48:58 -06:00
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static int dump_trace = 0;
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2009-05-27 01:10:38 -06:00
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static int verbose;
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2009-05-26 10:48:58 -06:00
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2009-05-18 09:45:42 -06:00
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static unsigned long page_size;
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static unsigned long mmap_window = 32;
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2009-05-26 01:17:18 -06:00
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const char *perf_event_names[] = {
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2009-05-18 09:45:42 -06:00
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[PERF_EVENT_MMAP] = " PERF_EVENT_MMAP",
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[PERF_EVENT_MUNMAP] = " PERF_EVENT_MUNMAP",
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[PERF_EVENT_COMM] = " PERF_EVENT_COMM",
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};
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struct ip_event {
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struct perf_event_header header;
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__u64 ip;
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__u32 pid, tid;
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};
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struct mmap_event {
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struct perf_event_header header;
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__u32 pid, tid;
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__u64 start;
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__u64 len;
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__u64 pgoff;
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char filename[PATH_MAX];
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};
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struct comm_event {
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struct perf_event_header header;
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__u32 pid,tid;
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char comm[16];
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};
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typedef union event_union {
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struct perf_event_header header;
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struct ip_event ip;
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struct mmap_event mmap;
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struct comm_event comm;
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} event_t;
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struct symbol {
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2009-05-27 01:10:38 -06:00
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struct rb_node rb_node;
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__u64 start;
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__u64 end;
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char name[0];
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2009-05-18 09:45:42 -06:00
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};
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static struct symbol *symbol__new(uint64_t start, uint64_t len, const char *name)
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{
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struct symbol *self = malloc(sizeof(*self) + strlen(name) + 1);
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if (self != NULL) {
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self->start = start;
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self->end = start + len;
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strcpy(self->name, name);
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}
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return self;
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}
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static void symbol__delete(struct symbol *self)
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{
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free(self);
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}
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static size_t symbol__fprintf(struct symbol *self, FILE *fp)
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{
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2009-05-27 01:10:38 -06:00
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return fprintf(fp, " %llx-%llx %s\n",
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2009-05-18 09:45:42 -06:00
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self->start, self->end, self->name);
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}
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struct dso {
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struct list_head node;
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2009-05-18 13:24:49 -06:00
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struct rb_root syms;
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2009-05-18 09:45:42 -06:00
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char name[0];
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};
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static struct dso *dso__new(const char *name)
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{
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struct dso *self = malloc(sizeof(*self) + strlen(name) + 1);
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if (self != NULL) {
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strcpy(self->name, name);
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2009-05-18 13:24:49 -06:00
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self->syms = RB_ROOT;
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2009-05-18 09:45:42 -06:00
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}
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return self;
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}
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static void dso__delete_symbols(struct dso *self)
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{
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2009-05-18 13:24:49 -06:00
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struct symbol *pos;
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struct rb_node *next = rb_first(&self->syms);
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2009-05-18 09:45:42 -06:00
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2009-05-18 13:24:49 -06:00
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while (next) {
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pos = rb_entry(next, struct symbol, rb_node);
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next = rb_next(&pos->rb_node);
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2009-05-18 09:45:42 -06:00
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symbol__delete(pos);
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2009-05-18 13:24:49 -06:00
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}
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2009-05-18 09:45:42 -06:00
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}
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static void dso__delete(struct dso *self)
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{
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dso__delete_symbols(self);
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free(self);
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}
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static void dso__insert_symbol(struct dso *self, struct symbol *sym)
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{
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2009-05-18 13:24:49 -06:00
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struct rb_node **p = &self->syms.rb_node;
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struct rb_node *parent = NULL;
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const uint64_t ip = sym->start;
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struct symbol *s;
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while (*p != NULL) {
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parent = *p;
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s = rb_entry(parent, struct symbol, rb_node);
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if (ip < s->start)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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rb_link_node(&sym->rb_node, parent, p);
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rb_insert_color(&sym->rb_node, &self->syms);
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2009-05-18 09:45:42 -06:00
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}
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static struct symbol *dso__find_symbol(struct dso *self, uint64_t ip)
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{
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2009-05-27 01:10:38 -06:00
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struct rb_node *n;
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2009-05-18 09:45:42 -06:00
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if (self == NULL)
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return NULL;
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2009-05-27 01:10:38 -06:00
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n = self->syms.rb_node;
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2009-05-18 09:45:42 -06:00
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2009-05-18 13:24:49 -06:00
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while (n) {
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struct symbol *s = rb_entry(n, struct symbol, rb_node);
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if (ip < s->start)
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n = n->rb_left;
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else if (ip > s->end)
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n = n->rb_right;
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else
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return s;
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}
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2009-05-18 09:45:42 -06:00
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return NULL;
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}
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2009-05-18 11:28:47 -06:00
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/**
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* elf_symtab__for_each_symbol - iterate thru all the symbols
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*
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* @self: struct elf_symtab instance to iterate
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* @index: uint32_t index
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* @sym: GElf_Sym iterator
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*/
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#define elf_symtab__for_each_symbol(syms, nr_syms, index, sym) \
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for (index = 0, gelf_getsym(syms, index, &sym);\
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index < nr_syms; \
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index++, gelf_getsym(syms, index, &sym))
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static inline uint8_t elf_sym__type(const GElf_Sym *sym)
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{
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return GELF_ST_TYPE(sym->st_info);
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}
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2009-05-26 01:17:18 -06:00
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static inline int elf_sym__is_function(const GElf_Sym *sym)
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2009-05-18 11:28:47 -06:00
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{
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return elf_sym__type(sym) == STT_FUNC &&
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sym->st_name != 0 &&
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2009-05-27 05:35:35 -06:00
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sym->st_shndx != SHN_UNDEF &&
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sym->st_size != 0;
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2009-05-18 11:28:47 -06:00
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}
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static inline const char *elf_sym__name(const GElf_Sym *sym,
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const Elf_Data *symstrs)
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{
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return symstrs->d_buf + sym->st_name;
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}
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static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
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GElf_Shdr *shp, const char *name,
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size_t *index)
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{
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Elf_Scn *sec = NULL;
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size_t cnt = 1;
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while ((sec = elf_nextscn(elf, sec)) != NULL) {
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char *str;
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gelf_getshdr(sec, shp);
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str = elf_strptr(elf, ep->e_shstrndx, shp->sh_name);
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if (!strcmp(name, str)) {
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if (index)
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*index = cnt;
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break;
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}
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++cnt;
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}
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return sec;
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}
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2009-05-27 05:35:35 -06:00
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static int dso__load_sym(struct dso *self, int fd, char *name)
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2009-05-18 09:45:42 -06:00
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{
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2009-05-27 01:10:38 -06:00
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Elf_Data *symstrs;
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uint32_t nr_syms;
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2009-05-27 05:35:35 -06:00
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int err = -1;
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2009-05-27 01:10:38 -06:00
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uint32_t index;
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GElf_Ehdr ehdr;
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GElf_Shdr shdr;
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Elf_Data *syms;
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GElf_Sym sym;
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Elf_Scn *sec;
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Elf *elf;
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2009-05-27 05:35:35 -06:00
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int nr = 0;
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2009-05-18 11:28:47 -06:00
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2009-05-27 01:10:38 -06:00
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elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
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2009-05-18 11:28:47 -06:00
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if (elf == NULL) {
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fprintf(stderr, "%s: cannot read %s ELF file.\n",
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2009-05-27 05:35:35 -06:00
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__func__, name);
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2009-05-18 11:28:47 -06:00
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goto out_close;
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}
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if (gelf_getehdr(elf, &ehdr) == NULL) {
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fprintf(stderr, "%s: cannot get elf header.\n", __func__);
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goto out_elf_end;
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}
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2009-05-27 01:10:38 -06:00
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sec = elf_section_by_name(elf, &ehdr, &shdr, ".symtab", NULL);
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2009-05-18 11:28:47 -06:00
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if (sec == NULL)
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sec = elf_section_by_name(elf, &ehdr, &shdr, ".dynsym", NULL);
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if (sec == NULL)
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goto out_elf_end;
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2009-05-27 01:10:38 -06:00
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syms = elf_getdata(sec, NULL);
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2009-05-18 11:28:47 -06:00
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if (syms == NULL)
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goto out_elf_end;
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sec = elf_getscn(elf, shdr.sh_link);
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if (sec == NULL)
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goto out_elf_end;
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2009-05-27 01:10:38 -06:00
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symstrs = elf_getdata(sec, NULL);
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2009-05-18 11:28:47 -06:00
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if (symstrs == NULL)
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goto out_elf_end;
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2009-05-27 01:10:38 -06:00
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nr_syms = shdr.sh_size / shdr.sh_entsize;
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2009-05-18 11:28:47 -06:00
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elf_symtab__for_each_symbol(syms, nr_syms, index, sym) {
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2009-05-26 07:30:22 -06:00
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struct symbol *f;
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2009-05-18 11:28:47 -06:00
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if (!elf_sym__is_function(&sym))
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continue;
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2009-05-26 07:30:22 -06:00
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sec = elf_getscn(elf, sym.st_shndx);
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if (!sec)
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goto out_elf_end;
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gelf_getshdr(sec, &shdr);
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sym.st_value -= shdr.sh_addr - shdr.sh_offset;
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f = symbol__new(sym.st_value, sym.st_size,
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elf_sym__name(&sym, symstrs));
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if (!f)
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2009-05-18 11:28:47 -06:00
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goto out_elf_end;
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dso__insert_symbol(self, f);
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2009-05-27 05:35:35 -06:00
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nr++;
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2009-05-18 11:28:47 -06:00
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}
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2009-05-27 05:35:35 -06:00
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err = nr;
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2009-05-18 11:28:47 -06:00
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out_elf_end:
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elf_end(elf);
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out_close:
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return err;
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2009-05-18 09:45:42 -06:00
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}
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2009-05-27 05:35:35 -06:00
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static int dso__load(struct dso *self)
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{
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int size = strlen(self->name) + sizeof("/usr/lib/debug%s.debug");
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char *name = malloc(size);
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int variant = 0;
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int ret = -1;
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int fd;
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if (!name)
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return -1;
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more:
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do {
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switch (variant) {
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case 0: /* Fedora */
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snprintf(name, size, "/usr/lib/debug%s.debug", self->name);
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break;
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case 1: /* Ubuntu */
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snprintf(name, size, "/usr/lib/debug%s", self->name);
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break;
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case 2: /* Sane people */
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snprintf(name, size, "%s", self->name);
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break;
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default:
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goto out;
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}
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variant++;
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fd = open(name, O_RDONLY);
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} while (fd < 0);
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ret = dso__load_sym(self, fd, name);
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close(fd);
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/*
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* Some people seem to have debuginfo files _WITHOUT_ debug info!?!?
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*/
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if (!ret)
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|
|
goto more;
|
|
|
|
|
|
|
|
out:
|
|
|
|
free(name);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
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);
|
2009-05-27 05:35:35 -06:00
|
|
|
int nr;
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
if (dso == NULL) {
|
|
|
|
dso = dso__new(name);
|
2009-05-27 05:35:35 -06:00
|
|
|
if (!dso)
|
|
|
|
goto out_delete_dso;
|
|
|
|
|
|
|
|
nr = dso__load(dso);
|
|
|
|
if (nr < 0) {
|
|
|
|
fprintf(stderr, "Failed to open: %s\n", name);
|
2009-05-18 09:45:42 -06:00
|
|
|
goto out_delete_dso;
|
2009-05-27 05:35:35 -06:00
|
|
|
}
|
|
|
|
if (!nr) {
|
|
|
|
fprintf(stderr,
|
|
|
|
"Failed to find debug symbols for: %s, maybe install a debug package?\n",
|
|
|
|
name);
|
|
|
|
}
|
2009-05-18 09:45:42 -06:00
|
|
|
|
|
|
|
dsos__add(dso);
|
|
|
|
}
|
|
|
|
|
|
|
|
return dso;
|
|
|
|
|
|
|
|
out_delete_dso:
|
|
|
|
dso__delete(dso);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-05-27 01:10:38 -06:00
|
|
|
static 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.
|
|
|
|
*/
|
2009-05-27 01:10:38 -06:00
|
|
|
static int hex2long(char *ptr, unsigned long *long_val)
|
2009-05-26 16:20:57 -06:00
|
|
|
{
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:23 -06:00
|
|
|
static int load_kernel(void)
|
|
|
|
{
|
|
|
|
int fd, nr;
|
|
|
|
|
|
|
|
if (!vmlinux)
|
|
|
|
goto kallsyms;
|
|
|
|
|
|
|
|
fd = open(vmlinux, O_RDONLY);
|
|
|
|
if (fd < 0)
|
|
|
|
goto kallsyms;
|
|
|
|
|
|
|
|
kernel_dso = dso__new("[kernel]");
|
|
|
|
if (!kernel_dso)
|
|
|
|
goto fail_open;
|
|
|
|
|
|
|
|
nr = dso__load_sym(kernel_dso, fd, vmlinux);
|
|
|
|
|
|
|
|
if (nr <= 0)
|
|
|
|
goto fail_load;
|
|
|
|
|
|
|
|
dsos__add(kernel_dso);
|
|
|
|
close(fd);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail_load:
|
|
|
|
dso__delete(kernel_dso);
|
|
|
|
fail_open:
|
|
|
|
close(fd);
|
|
|
|
kallsyms:
|
|
|
|
return load_kallsyms();
|
|
|
|
}
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2009-05-26 13:19:04 -06:00
|
|
|
struct thread;
|
|
|
|
|
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;
|
|
|
|
pid_t pid;
|
|
|
|
char *comm;
|
|
|
|
};
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
return self;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int thread__set_comm(struct thread *self, const char *comm)
|
|
|
|
{
|
|
|
|
self->comm = strdup(comm);
|
|
|
|
return self->comm ? 0 : -ENOMEM;
|
|
|
|
}
|
|
|
|
|
2009-05-27 01:10:38 -06:00
|
|
|
static struct rb_root threads;
|
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)
|
|
|
|
{
|
2009-05-27 01:10:38 -06:00
|
|
|
struct map *pos;
|
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
if (self == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
list_for_each_entry(pos, &self->maps, node)
|
|
|
|
if (ip >= pos->start && ip <= pos->end)
|
|
|
|
return pos;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
/*
|
|
|
|
* 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;
|
|
|
|
uint64_t ip;
|
|
|
|
char level;
|
|
|
|
|
|
|
|
uint32_t count;
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
/*
|
|
|
|
* configurable sorting bits
|
|
|
|
*/
|
|
|
|
|
|
|
|
struct sort_entry {
|
|
|
|
struct list_head list;
|
|
|
|
|
2009-05-28 03:08:33 -06:00
|
|
|
char *header;
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
|
|
|
|
size_t (*print)(FILE *fp, struct hist_entry *);
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
static int64_t
|
2009-05-27 12:20:25 -06:00
|
|
|
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
|
2009-05-27 12:20:24 -06:00
|
|
|
{
|
2009-05-27 12:20:25 -06:00
|
|
|
return right->thread->pid - left->thread->pid;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
|
|
sort__thread_print(FILE *fp, struct hist_entry *self)
|
|
|
|
{
|
2009-05-28 03:08:33 -06:00
|
|
|
return fprintf(fp, " %16s:%5d", self->thread->comm ?: "", self->thread->pid);
|
2009-05-27 12:20:25 -06:00
|
|
|
}
|
2009-05-27 12:20:24 -06:00
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
static struct sort_entry sort_thread = {
|
2009-05-28 03:08:33 -06:00
|
|
|
.header = " Command: Pid ",
|
2009-05-27 12:20:25 -06:00
|
|
|
.cmp = sort__thread_cmp,
|
|
|
|
.print = sort__thread_print,
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:27 -06:00
|
|
|
static int64_t
|
|
|
|
sort__comm_cmp(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)
|
|
|
|
{
|
2009-05-27 13:36:22 -06:00
|
|
|
return fprintf(fp, " %16s", self->thread->comm ?: "<unknown>");
|
2009-05-27 12:20:27 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct sort_entry sort_comm = {
|
2009-05-28 03:08:33 -06:00
|
|
|
.header = " Command",
|
2009-05-27 12:20:27 -06:00
|
|
|
.cmp = sort__comm_cmp,
|
|
|
|
.print = sort__comm_print,
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:28 -06:00
|
|
|
static int64_t
|
|
|
|
sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
|
|
|
|
{
|
|
|
|
struct dso *dso_l = left->dso;
|
|
|
|
struct dso *dso_r = right->dso;
|
|
|
|
|
|
|
|
if (!dso_l || !dso_r) {
|
|
|
|
if (!dso_l && !dso_r)
|
|
|
|
return 0;
|
|
|
|
else if (!dso_l)
|
|
|
|
return -1;
|
|
|
|
else
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return strcmp(dso_l->name, dso_r->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
|
|
sort__dso_print(FILE *fp, struct hist_entry *self)
|
|
|
|
{
|
2009-05-27 13:36:22 -06:00
|
|
|
return fprintf(fp, " %64s", self->dso ? self->dso->name : "<unknown>");
|
2009-05-27 12:20:28 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct sort_entry sort_dso = {
|
2009-05-28 03:08:33 -06:00
|
|
|
.header = " Shared Object",
|
2009-05-27 12:20:28 -06:00
|
|
|
.cmp = sort__dso_cmp,
|
|
|
|
.print = sort__dso_print,
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
static int64_t
|
|
|
|
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
|
|
|
|
{
|
|
|
|
uint64_t ip_l, ip_r;
|
2009-05-27 12:20:24 -06:00
|
|
|
|
|
|
|
if (left->sym == right->sym)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
ip_l = left->sym ? left->sym->start : left->ip;
|
|
|
|
ip_r = right->sym ? right->sym->start : right->ip;
|
|
|
|
|
|
|
|
return (int64_t)(ip_r - ip_l);
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
static size_t
|
|
|
|
sort__sym_print(FILE *fp, struct hist_entry *self)
|
|
|
|
{
|
|
|
|
size_t ret = 0;
|
|
|
|
|
|
|
|
if (verbose)
|
2009-05-27 13:36:22 -06:00
|
|
|
ret += fprintf(fp, " %#018llx", (unsigned long long)self->ip);
|
2009-05-27 12:20:25 -06:00
|
|
|
|
2009-05-28 03:08:33 -06:00
|
|
|
ret += fprintf(fp, " %s: %s",
|
|
|
|
self->dso ? self->dso->name : "<unknown>",
|
|
|
|
self->sym ? self->sym->name : "<unknown>");
|
2009-05-27 12:20:25 -06:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct sort_entry sort_sym = {
|
2009-05-28 03:08:33 -06:00
|
|
|
.header = "Shared Object: Symbol",
|
|
|
|
.cmp = sort__sym_cmp,
|
|
|
|
.print = sort__sym_print,
|
2009-05-27 12:20:25 -06:00
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:26 -06:00
|
|
|
struct sort_dimension {
|
|
|
|
char *name;
|
|
|
|
struct sort_entry *entry;
|
|
|
|
int taken;
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct sort_dimension sort_dimensions[] = {
|
|
|
|
{ .name = "pid", .entry = &sort_thread, },
|
2009-05-27 12:20:27 -06:00
|
|
|
{ .name = "comm", .entry = &sort_comm, },
|
2009-05-27 12:20:28 -06:00
|
|
|
{ .name = "dso", .entry = &sort_dso, },
|
2009-05-27 12:20:26 -06:00
|
|
|
{ .name = "symbol", .entry = &sort_sym, },
|
|
|
|
};
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
static LIST_HEAD(hist_entry__sort_list);
|
|
|
|
|
2009-05-27 12:20:26 -06:00
|
|
|
static int sort_dimension__add(char *tok)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
|
|
|
|
struct sort_dimension *sd = &sort_dimensions[i];
|
|
|
|
|
|
|
|
if (sd->taken)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (strcmp(tok, sd->name))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
list_add_tail(&sd->entry->list, &hist_entry__sort_list);
|
|
|
|
sd->taken = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -ESRCH;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
static void setup_sorting(void)
|
|
|
|
{
|
2009-05-27 12:20:26 -06:00
|
|
|
char *tmp, *tok, *str = strdup(sort_order);
|
|
|
|
|
|
|
|
for (tok = strtok_r(str, ", ", &tmp);
|
|
|
|
tok; tok = strtok_r(NULL, ", ", &tmp))
|
|
|
|
sort_dimension__add(tok);
|
|
|
|
|
|
|
|
free(str);
|
2009-05-27 12:20:25 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int64_t
|
|
|
|
hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
|
|
|
|
{
|
|
|
|
struct sort_entry *se;
|
|
|
|
int64_t cmp = 0;
|
|
|
|
|
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
|
|
cmp = se->cmp(left, right);
|
|
|
|
if (cmp)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
return cmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
|
|
hist_entry__fprintf(FILE *fp, struct hist_entry *self, uint64_t total_samples)
|
|
|
|
{
|
|
|
|
struct sort_entry *se;
|
|
|
|
size_t ret;
|
|
|
|
|
|
|
|
if (total_samples) {
|
2009-05-27 13:36:22 -06:00
|
|
|
ret = fprintf(fp, " %5.2f%%",
|
2009-05-27 12:20:25 -06:00
|
|
|
(self->count * 100.0) / total_samples);
|
|
|
|
} else
|
|
|
|
ret = fprintf(fp, "%12d ", self->count);
|
|
|
|
|
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list)
|
|
|
|
ret += se->print(fp, self);
|
|
|
|
|
|
|
|
ret += fprintf(fp, "\n");
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* collect histogram counts
|
|
|
|
*/
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
static int
|
|
|
|
hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
|
|
|
|
struct symbol *sym, uint64_t ip, char level)
|
2009-05-18 09:45:42 -06:00
|
|
|
{
|
2009-05-27 12:20:24 -06:00
|
|
|
struct rb_node **p = &hist.rb_node;
|
|
|
|
struct rb_node *parent = NULL;
|
|
|
|
struct hist_entry *he;
|
|
|
|
struct hist_entry entry = {
|
|
|
|
.thread = thread,
|
|
|
|
.map = map,
|
|
|
|
.dso = dso,
|
|
|
|
.sym = sym,
|
|
|
|
.ip = ip,
|
|
|
|
.level = level,
|
|
|
|
.count = 1,
|
|
|
|
};
|
|
|
|
int cmp;
|
|
|
|
|
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
|
|
|
he = rb_entry(parent, struct hist_entry, rb_node);
|
|
|
|
|
|
|
|
cmp = hist_entry__cmp(&entry, he);
|
|
|
|
|
|
|
|
if (!cmp) {
|
|
|
|
he->count++;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (cmp < 0)
|
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
2009-05-19 06:30:23 -06:00
|
|
|
}
|
2009-05-27 12:20:24 -06:00
|
|
|
|
|
|
|
he = malloc(sizeof(*he));
|
|
|
|
if (!he)
|
|
|
|
return -ENOMEM;
|
|
|
|
*he = entry;
|
|
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
|
|
rb_insert_color(&he->rb_node, &hist);
|
|
|
|
|
|
|
|
return 0;
|
2009-05-18 09:45:42 -06:00
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
/*
|
|
|
|
* reverse the map, sort on count.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static struct rb_root output_hists;
|
|
|
|
|
|
|
|
static void output__insert_entry(struct hist_entry *he)
|
2009-05-26 13:19:04 -06:00
|
|
|
{
|
2009-05-27 12:20:24 -06:00
|
|
|
struct rb_node **p = &output_hists.rb_node;
|
2009-05-26 13:19:04 -06:00
|
|
|
struct rb_node *parent = NULL;
|
2009-05-27 12:20:24 -06:00
|
|
|
struct hist_entry *iter;
|
2009-05-26 13:19:04 -06:00
|
|
|
|
|
|
|
while (*p != NULL) {
|
|
|
|
parent = *p;
|
2009-05-27 12:20:24 -06:00
|
|
|
iter = rb_entry(parent, struct hist_entry, rb_node);
|
2009-05-26 13:19:04 -06:00
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
if (he->count > iter->count)
|
2009-05-26 13:19:04 -06:00
|
|
|
p = &(*p)->rb_left;
|
|
|
|
else
|
|
|
|
p = &(*p)->rb_right;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
|
|
rb_insert_color(&he->rb_node, &output_hists);
|
2009-05-26 13:19:04 -06:00
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
static void output__resort(void)
|
2009-05-26 13:19:04 -06:00
|
|
|
{
|
2009-05-27 12:20:24 -06:00
|
|
|
struct rb_node *next = rb_first(&hist);
|
|
|
|
struct hist_entry *n;
|
2009-05-26 13:19:04 -06:00
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
while (next) {
|
|
|
|
n = rb_entry(next, struct hist_entry, rb_node);
|
|
|
|
next = rb_next(&n->rb_node);
|
2009-05-26 13:19:04 -06:00
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
rb_erase(&n->rb_node, &hist);
|
|
|
|
output__insert_entry(n);
|
2009-05-26 13:19:04 -06:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
static size_t output__fprintf(FILE *fp, uint64_t total_samples)
|
2009-05-26 13:19:04 -06:00
|
|
|
{
|
2009-05-27 12:20:24 -06:00
|
|
|
struct hist_entry *pos;
|
2009-05-27 13:36:22 -06:00
|
|
|
struct sort_entry *se;
|
2009-05-26 13:19:04 -06:00
|
|
|
struct rb_node *nd;
|
|
|
|
size_t ret = 0;
|
|
|
|
|
2009-05-28 03:08:33 -06:00
|
|
|
fprintf(fp, "#\n");
|
|
|
|
|
|
|
|
fprintf(fp, "# Overhead");
|
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list)
|
|
|
|
fprintf(fp, " %s", se->header);
|
|
|
|
fprintf(fp, "\n");
|
|
|
|
|
|
|
|
fprintf(fp, "# ........");
|
2009-05-27 13:36:22 -06:00
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
2009-05-28 03:08:33 -06:00
|
|
|
int i;
|
|
|
|
|
|
|
|
fprintf(fp, " ");
|
|
|
|
for (i = 0; i < strlen(se->header); i++)
|
|
|
|
fprintf(fp, ".");
|
2009-05-27 13:36:22 -06:00
|
|
|
}
|
2009-05-28 03:08:33 -06:00
|
|
|
fprintf(fp, "\n");
|
|
|
|
|
|
|
|
fprintf(fp, "#\n");
|
2009-05-27 13:36:22 -06:00
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
|
|
|
|
pos = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
ret += hist_entry__fprintf(fp, pos, total_samples);
|
2009-05-26 13:19:04 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:23 -06:00
|
|
|
if (load_kernel() < 0) {
|
2009-05-18 09:45:42 -06:00
|
|
|
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;
|
2009-05-27 12:20:24 -06:00
|
|
|
struct map *map = NULL;
|
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,
|
2009-05-27 01:10:38 -06:00
|
|
|
(void *)(long)ip);
|
2009-05-26 10:48:58 -06:00
|
|
|
}
|
|
|
|
|
2009-05-19 06:30:23 -06:00
|
|
|
if (thread == NULL) {
|
2009-05-27 14:13:17 -06:00
|
|
|
fprintf(stderr, "problem processing %d event, skipping it.\n",
|
2009-05-19 06:30:23 -06:00
|
|
|
event->header.type);
|
2009-05-27 14:13:17 -06:00
|
|
|
goto broken_event;
|
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';
|
2009-05-27 12:20:24 -06:00
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
dso = kernel_dso;
|
2009-05-27 12:20:24 -06:00
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
} else if (event->header.misc & PERF_EVENT_MISC_USER) {
|
2009-05-27 01:10:38 -06:00
|
|
|
|
2009-05-18 09:45:42 -06:00
|
|
|
show = SHOW_USER;
|
|
|
|
level = '.';
|
2009-05-27 01:10:38 -06:00
|
|
|
|
|
|
|
map = thread__find_map(thread, ip);
|
2009-05-26 07:30:22 -06:00
|
|
|
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;
|
|
|
|
}
|
2009-05-27 12:20:24 -06:00
|
|
|
|
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
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
if (hist_entry__add(thread, map, dso, sym, ip, level)) {
|
|
|
|
fprintf(stderr,
|
2009-05-27 14:13:17 -06:00
|
|
|
"problem incrementing symbol count, skipping event\n");
|
|
|
|
goto broken_event;
|
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),
|
2009-05-27 01:10:38 -06:00
|
|
|
(void *)(long)event->mmap.start,
|
|
|
|
(void *)(long)event->mmap.len,
|
|
|
|
(void *)(long)event->mmap.pgoff,
|
2009-05-26 10:48:58 -06:00
|
|
|
event->mmap.filename);
|
|
|
|
}
|
2009-05-19 06:30:23 -06:00
|
|
|
if (thread == NULL || map == NULL) {
|
2009-05-27 14:13:17 -06:00
|
|
|
fprintf(stderr, "problem processing PERF_EVENT_MMAP, skipping event.\n");
|
|
|
|
goto broken_event;
|
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)) {
|
2009-05-27 14:13:17 -06:00
|
|
|
fprintf(stderr, "problem processing PERF_EVENT_COMM, skipping event.\n");
|
|
|
|
goto broken_event;
|
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:
|
2009-05-27 05:35:35 -06:00
|
|
|
if (dump_trace)
|
|
|
|
fprintf(stderr, "%p [%p]: skipping unknown header type: %d\n",
|
|
|
|
(void *)(offset + head),
|
|
|
|
(void *)(long)(event->header.size),
|
|
|
|
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;
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
if (verbose >= 2)
|
2009-05-27 01:10:38 -06:00
|
|
|
dsos__fprintf(stdout);
|
|
|
|
|
2009-05-27 12:20:24 -06:00
|
|
|
output__resort();
|
|
|
|
output__fprintf(stdout, total);
|
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 16:46:14 -06:00
|
|
|
OPT_BOOLEAN('v', "verbose", &verbose,
|
|
|
|
"be more verbose (show symbol address, etc)"),
|
2009-05-26 10:48:58 -06:00
|
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
|
|
"dump raw trace in ASCII"),
|
2009-05-27 12:20:23 -06:00
|
|
|
OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
|
2009-05-28 02:52:00 -06:00
|
|
|
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
|
|
|
|
"sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"),
|
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);
|
|
|
|
|
2009-05-27 12:20:25 -06:00
|
|
|
setup_sorting();
|
|
|
|
|
2009-05-27 01:50:13 -06:00
|
|
|
setup_pager();
|
|
|
|
|
2009-05-26 01:17:18 -06:00
|
|
|
return __cmd_report();
|
|
|
|
}
|