perf report: Add --dsos parameter

So that we can filter by dso. Symbols in other dsos won't be
accounted for.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1246399282-20934-2-git-send-email-acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-06-30 19:01:20 -03:00 коммит произвёл Ingo Molnar
Родитель f5812a7a33
Коммит 25903407da
5 изменённых файлов: 238 добавлений и 0 удалений

Просмотреть файл

@ -20,6 +20,10 @@ OPTIONS
-i::
--input=::
Input file name. (default: perf.data)
-d::
--dsos=::
Only consider symbols in these dsos. CSV that understands
file://filename entries.
SEE ALSO
--------

Просмотреть файл

@ -301,6 +301,7 @@ LIB_H += util/util.h
LIB_H += util/help.h
LIB_H += util/strbuf.h
LIB_H += util/string.h
LIB_H += util/strlist.h
LIB_H += util/run-command.h
LIB_H += util/sigchain.h
LIB_H += util/symbol.h
@ -322,6 +323,7 @@ LIB_OBJS += util/run-command.o
LIB_OBJS += util/quote.o
LIB_OBJS += util/strbuf.o
LIB_OBJS += util/string.o
LIB_OBJS += util/strlist.o
LIB_OBJS += util/usage.o
LIB_OBJS += util/wrapper.o
LIB_OBJS += util/sigchain.o

Просмотреть файл

@ -16,6 +16,7 @@
#include "util/symbol.h"
#include "util/string.h"
#include "util/callchain.h"
#include "util/strlist.h"
#include "perf.h"
#include "util/header.h"
@ -32,6 +33,8 @@ static char *vmlinux = NULL;
static char default_sort_order[] = "comm,dso";
static char *sort_order = default_sort_order;
static char *dso_list_str;
static struct strlist *dso_list;
static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
@ -1272,6 +1275,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
if (show & show_mask) {
struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip);
if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name))
return 0;
if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) {
eprintf("problem incrementing symbol count, skipping event\n");
return -1;
@ -1659,6 +1665,8 @@ static const struct option options[] = {
OPT_BOOLEAN('x', "exclude-other", &exclude_other,
"Only display entries with parent-match"),
OPT_BOOLEAN('c', "callchain", &callchain, "Display callchains"),
OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]",
"only consider symbols in these dsos"),
OPT_END()
};
@ -1698,6 +1706,14 @@ int cmd_report(int argc, const char **argv, const char *prefix)
if (argc)
usage_with_options(report_usage, options);
if (dso_list_str) {
dso_list = strlist__new(true, dso_list_str);
if (!dso_list) {
fprintf(stderr, "problems parsing dso list\n");
exit(129);
}
}
setup_pager();
return __cmd_report();

184
tools/perf/util/strlist.c Normal file
Просмотреть файл

@ -0,0 +1,184 @@
/*
* (c) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Licensed under the GPLv2.
*/
#include "strlist.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static struct str_node *str_node__new(const char *s, bool dupstr)
{
struct str_node *self = malloc(sizeof(*self));
if (self != NULL) {
if (dupstr) {
s = strdup(s);
if (s == NULL)
goto out_delete;
}
self->s = s;
}
return self;
out_delete:
free(self);
return NULL;
}
static void str_node__delete(struct str_node *self, bool dupstr)
{
if (dupstr)
free((void *)self->s);
free(self);
}
int strlist__add(struct strlist *self, const char *new_entry)
{
struct rb_node **p = &self->entries.rb_node;
struct rb_node *parent = NULL;
struct str_node *sn;
while (*p != NULL) {
int rc;
parent = *p;
sn = rb_entry(parent, struct str_node, rb_node);
rc = strcmp(sn->s, new_entry);
if (rc > 0)
p = &(*p)->rb_left;
else if (rc < 0)
p = &(*p)->rb_right;
else
return -EEXIST;
}
sn = str_node__new(new_entry, self->dupstr);
if (sn == NULL)
return -ENOMEM;
rb_link_node(&sn->rb_node, parent, p);
rb_insert_color(&sn->rb_node, &self->entries);
return 0;
}
int strlist__load(struct strlist *self, const char *filename)
{
char entry[1024];
int err;
FILE *fp = fopen(filename, "r");
if (fp == NULL)
return errno;
while (fgets(entry, sizeof(entry), fp) != NULL) {
const size_t len = strlen(entry);
if (len == 0)
continue;
entry[len - 1] = '\0';
err = strlist__add(self, entry);
if (err != 0)
goto out;
}
err = 0;
out:
fclose(fp);
return err;
}
void strlist__remove(struct strlist *self, struct str_node *sn)
{
rb_erase(&sn->rb_node, &self->entries);
str_node__delete(sn, self->dupstr);
}
bool strlist__has_entry(struct strlist *self, const char *entry)
{
struct rb_node **p = &self->entries.rb_node;
struct rb_node *parent = NULL;
while (*p != NULL) {
struct str_node *sn;
int rc;
parent = *p;
sn = rb_entry(parent, struct str_node, rb_node);
rc = strcmp(sn->s, entry);
if (rc > 0)
p = &(*p)->rb_left;
else if (rc < 0)
p = &(*p)->rb_right;
else
return true;
}
return false;
}
static int strlist__parse_list_entry(struct strlist *self, const char *s)
{
if (strncmp(s, "file://", 7) == 0)
return strlist__load(self, s + 7);
return strlist__add(self, s);
}
int strlist__parse_list(struct strlist *self, const char *s)
{
char *sep;
int err;
while ((sep = strchr(s, ',')) != NULL) {
*sep = '\0';
err = strlist__parse_list_entry(self, s);
*sep = ',';
if (err != 0)
return err;
s = sep + 1;
}
return *s ? strlist__parse_list_entry(self, s) : 0;
}
struct strlist *strlist__new(bool dupstr, const char *slist)
{
struct strlist *self = malloc(sizeof(*self));
if (self != NULL) {
self->entries = RB_ROOT;
self->dupstr = dupstr;
if (slist && strlist__parse_list(self, slist) != 0)
goto out_error;
}
return self;
out_error:
free(self);
return NULL;
}
void strlist__delete(struct strlist *self)
{
if (self != NULL) {
struct str_node *pos;
struct rb_node *next = rb_first(&self->entries);
while (next) {
pos = rb_entry(next, struct str_node, rb_node);
next = rb_next(&pos->rb_node);
strlist__remove(self, pos);
}
self->entries = RB_ROOT;
free(self);
}
}

32
tools/perf/util/strlist.h Normal file
Просмотреть файл

@ -0,0 +1,32 @@
#ifndef STRLIST_H_
#define STRLIST_H_
#include "rbtree.h"
#include <stdbool.h>
struct str_node {
struct rb_node rb_node;
const char *s;
};
struct strlist {
struct rb_root entries;
bool dupstr;
};
struct strlist *strlist__new(bool dupstr, const char *slist);
void strlist__delete(struct strlist *self);
void strlist__remove(struct strlist *self, struct str_node *sn);
int strlist__load(struct strlist *self, const char *filename);
int strlist__add(struct strlist *self, const char *str);
bool strlist__has_entry(struct strlist *self, const char *entry);
static inline bool strlist__empty(const struct strlist *self)
{
return rb_first(&self->entries) == NULL;
}
int strlist__parse_list(struct strlist *self, const char *s);
#endif /* STRLIST_H_ */