iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf tools: Create util/sort.and use it

Browse Source 
Create util/sort.[ch] and move common functionality for
builtin-report.c and builtin-annotate.c there, and make use of it.

Signed-off-by: John Kacur <jkacur@redhat.com>
LKML-Reference: <alpine.LFD.2.00.0909241758390.11383@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
John Kacur 2009-09-24 18:02:49 +02:00 committed by Ingo Molnar
parent 8b40f521cf
commit dd68ada2d4
5 changed files with 373 additions and 508 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/Makefile
View File

@ -339,6 +339,7 @@ LIB_H += util/symbol.h
LIB_H += util/module.h LIB_H += util/module.h
LIB_H += util/color.h LIB_H += util/color.h
LIB_H += util/values.h LIB_H += util/values.h
LIB_H += util/sort.h
LIB_OBJS += util/abspath.o LIB_OBJS += util/abspath.o
LIB_OBJS += util/alias.o LIB_OBJS += util/alias.o
@ -374,6 +375,7 @@ LIB_OBJS += util/trace-event-parse.o
LIB_OBJS += util/trace-event-read.o LIB_OBJS += util/trace-event-read.o
LIB_OBJS += util/trace-event-info.o LIB_OBJS += util/trace-event-info.o
LIB_OBJS += util/svghelper.o LIB_OBJS += util/svghelper.o
LIB_OBJS += util/sort.o
BUILTIN_OBJS += builtin-annotate.o BUILTIN_OBJS += builtin-annotate.o
BUILTIN_OBJS += builtin-help.o BUILTIN_OBJS += builtin-help.o

211
tools/perf/builtin-annotate.c
View File

@ -22,12 +22,10 @@
#include "util/parse-options.h" #include "util/parse-options.h"
#include "util/parse-events.h" #include "util/parse-events.h"
#include "util/thread.h" #include "util/thread.h"
#include "util/sort.h"
static char const *input_name = "perf.data"; static char const *input_name = "perf.data";
static char default_sort_order[] = "comm,symbol";
static char *sort_order = default_sort_order;
static int force; static int force;
static int input; static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
@ -55,207 +53,6 @@ struct sym_ext {
static struct rb_root hist; static struct rb_root hist;
struct hist_entry {
struct rb_node rb_node;
struct thread *thread;
struct map *map;
struct dso *dso;
struct symbol *sym;
u64 ip;
char level;
uint32_t count;
};
/*
* configurable sorting bits
*/
struct sort_entry {
struct list_head list;
const char *header;
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
size_t (*print)(FILE *fp, struct hist_entry *);
};
static int64_t cmp_null(void *l, void *r)
{
if (!l && !r)
return 0;
else if (!l)
return -1;
else
return 1;
}
/* --sort pid */
static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static size_t
sort__thread_print(FILE *fp, struct hist_entry *self)
{
return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid);
}
static struct sort_entry sort_thread = {
.header = " Command: Pid",
.cmp = sort__thread_cmp,
.print = sort__thread_print,
};
/* --sort comm */
static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
char *comm_l = left->thread->comm;
char *comm_r = right->thread->comm;
if (!comm_l || !comm_r)
return cmp_null(comm_l, comm_r);
return strcmp(comm_l, comm_r);
}
static size_t
sort__comm_print(FILE *fp, struct hist_entry *self)
{
return fprintf(fp, "%16s", self->thread->comm);
}
static struct sort_entry sort_comm = {
.header = " Command",
.cmp = sort__comm_cmp,
.collapse = sort__comm_collapse,
.print = sort__comm_print,
};
/* --sort dso */
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)
return cmp_null(dso_l, dso_r);
return strcmp(dso_l->name, dso_r->name);
}
static size_t
sort__dso_print(FILE *fp, struct hist_entry *self)
{
if (self->dso)
return fprintf(fp, "%-25s", self->dso->name);
return fprintf(fp, "%016llx ", (u64)self->ip);
}
static struct sort_entry sort_dso = {
.header = "Shared Object ",
.cmp = sort__dso_cmp,
.print = sort__dso_print,
};
/* --sort symbol */
static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
u64 ip_l, ip_r;
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);
}
static size_t
sort__sym_print(FILE *fp, struct hist_entry *self)
{
size_t ret = 0;
if (verbose)
ret += fprintf(fp, "%#018llx ", (u64)self->ip);
if (self->sym) {
ret += fprintf(fp, "[%c] %s",
self->dso == kernel_dso ? 'k' : '.', self->sym->name);
} else {
ret += fprintf(fp, "%#016llx", (u64)self->ip);
}
return ret;
}
static struct sort_entry sort_sym = {
.header = "Symbol",
.cmp = sort__sym_cmp,
.print = sort__sym_print,
};
static int sort__need_collapse = 0;
struct sort_dimension {
const char *name;
struct sort_entry *entry;
int taken;
};
static struct sort_dimension sort_dimensions[] = {
{ .name = "pid", .entry = &sort_thread, },
{ .name = "comm", .entry = &sort_comm, },
{ .name = "dso", .entry = &sort_dso, },
{ .name = "symbol", .entry = &sort_sym, },
};
static LIST_HEAD(hist_entry__sort_list);
static int sort_dimension__add(char *tok)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
struct sort_dimension *sd = &sort_dimensions[i];
if (sd->taken)
continue;
if (strncasecmp(tok, sd->name, strlen(tok)))
continue;
if (sd->entry->collapse)
sort__need_collapse = 1;
list_add_tail(&sd->entry->list, &hist_entry__sort_list);
sd->taken = 1;
return 0;
}
return -ESRCH;
}
static int64_t static int64_t
hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
{ {
@ -1137,5 +934,11 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
setup_pager(); setup_pager();
if (field_sep && *field_sep == '.') {
fputs("'.' is the only non valid --field-separator argument\n",
stderr);
exit(129);
}
return __cmd_annotate(); return __cmd_annotate();
} }

307
tools/perf/builtin-report.c
View File

@ -27,15 +27,13 @@
#include "util/parse-events.h" #include "util/parse-events.h"
#include "util/thread.h" #include "util/thread.h"
#include "util/sort.h"
static char const *input_name = "perf.data"; static char const *input_name = "perf.data";
static char default_sort_order[] = "comm,dso,symbol";
static char *sort_order = default_sort_order;
static char *dso_list_str, *comm_list_str, *sym_list_str, static char *dso_list_str, *comm_list_str, *sym_list_str,
*col_width_list_str; *col_width_list_str;
static struct strlist *dso_list, *comm_list, *sym_list; static struct strlist *dso_list, *comm_list, *sym_list;
static char *field_sep;
static int force; static int force;
static int input; static int input;
@ -53,10 +51,6 @@ static char *pretty_printing_style = default_pretty_printing_style;
static unsigned long page_size; static unsigned long page_size;
static unsigned long mmap_window = 32; static unsigned long mmap_window = 32;
static char default_parent_pattern[] = "^sys_|^do_page_fault";
static char *parent_pattern = default_parent_pattern;
static regex_t parent_regex;
static int exclude_other = 1; static int exclude_other = 1;
static char callchain_default_opt[] = "fractal,0.5"; static char callchain_default_opt[] = "fractal,0.5";
@ -80,304 +74,8 @@ struct callchain_param callchain_param = {
static u64 sample_type; static u64 sample_type;
static int repsep_fprintf(FILE *fp, const char *fmt, ...)
{
int n;
va_list ap;
va_start(ap, fmt);
if (!field_sep)
n = vfprintf(fp, fmt, ap);
else {
char *bf = NULL;
n = vasprintf(&bf, fmt, ap);
if (n > 0) {
char *sep = bf;
while (1) {
sep = strchr(sep, *field_sep);
if (sep == NULL)
break;
*sep = '.';
}
}
fputs(bf, fp);
free(bf);
}
va_end(ap);
return n;
}
static unsigned int dsos__col_width,
comms__col_width,
threads__col_width;
/*
* histogram, sorted on item, collects counts
*/
static struct rb_root hist; 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;
struct symbol *parent;
u64 ip;
char level;
struct callchain_node callchain;
struct rb_root sorted_chain;
u64 count;
};
/*
* configurable sorting bits
*/
struct sort_entry {
struct list_head list;
const char *header;
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width);
unsigned int *width;
bool elide;
};
static int64_t cmp_null(void *l, void *r)
{
if (!l && !r)
return 0;
else if (!l)
return -1;
else
return 1;
}
/* --sort pid */
static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static size_t
sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%*s:%5d", width - 6,
self->thread->comm ?: "", self->thread->pid);
}
static struct sort_entry sort_thread = {
.header = "Command: Pid",
.cmp = sort__thread_cmp,
.print = sort__thread_print,
.width = &threads__col_width,
};
/* --sort comm */
static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
char *comm_l = left->thread->comm;
char *comm_r = right->thread->comm;
if (!comm_l || !comm_r)
return cmp_null(comm_l, comm_r);
return strcmp(comm_l, comm_r);
}
static size_t
sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%*s", width, self->thread->comm);
}
static struct sort_entry sort_comm = {
.header = "Command",
.cmp = sort__comm_cmp,
.collapse = sort__comm_collapse,
.print = sort__comm_print,
.width = &comms__col_width,
};
/* --sort dso */
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)
return cmp_null(dso_l, dso_r);
return strcmp(dso_l->name, dso_r->name);
}
static size_t
sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
if (self->dso)
return repsep_fprintf(fp, "%-*s", width, self->dso->name);
return repsep_fprintf(fp, "%*llx", width, (u64)self->ip);
}
static struct sort_entry sort_dso = {
.header = "Shared Object",
.cmp = sort__dso_cmp,
.print = sort__dso_print,
.width = &dsos__col_width,
};
/* --sort symbol */
static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
u64 ip_l, ip_r;
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);
}
static size_t
sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used)
{
size_t ret = 0;
if (verbose)
ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip,
dso__symtab_origin(self->dso));
ret += repsep_fprintf(fp, "[%c] ", self->level);
if (self->sym) {
ret += repsep_fprintf(fp, "%s", self->sym->name);
if (self->sym->module)
ret += repsep_fprintf(fp, "\t[%s]",
self->sym->module->name);
} else {
ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip);
}
return ret;
}
static struct sort_entry sort_sym = {
.header = "Symbol",
.cmp = sort__sym_cmp,
.print = sort__sym_print,
};
/* --sort parent */
static int64_t
sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
{
struct symbol *sym_l = left->parent;
struct symbol *sym_r = right->parent;
if (!sym_l || !sym_r)
return cmp_null(sym_l, sym_r);
return strcmp(sym_l->name, sym_r->name);
}
static size_t
sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%-*s", width,
self->parent ? self->parent->name : "[other]");
}
static unsigned int parent_symbol__col_width;
static struct sort_entry sort_parent = {
.header = "Parent symbol",
.cmp = sort__parent_cmp,
.print = sort__parent_print,
.width = &parent_symbol__col_width,
};
static int sort__need_collapse = 0;
static int sort__has_parent = 0;
struct sort_dimension {
const char *name;
struct sort_entry *entry;
int taken;
};
static struct sort_dimension sort_dimensions[] = {
{ .name = "pid", .entry = &sort_thread, },
{ .name = "comm", .entry = &sort_comm, },
{ .name = "dso", .entry = &sort_dso, },
{ .name = "symbol", .entry = &sort_sym, },
{ .name = "parent", .entry = &sort_parent, },
};
static LIST_HEAD(hist_entry__sort_list);
static int sort_dimension__add(const char *tok)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
struct sort_dimension *sd = &sort_dimensions[i];
if (sd->taken)
continue;
if (strncasecmp(tok, sd->name, strlen(tok)))
continue;
if (sd->entry->collapse)
sort__need_collapse = 1;
if (sd->entry == &sort_parent) {
int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
if (ret) {
char err[BUFSIZ];
regerror(ret, &parent_regex, err, sizeof(err));
fprintf(stderr, "Invalid regex: %s\n%s",
parent_pattern, err);
exit(-1);
}
sort__has_parent = 1;
}
list_add_tail(&sd->entry->list, &hist_entry__sort_list);
sd->taken = 1;
return 0;
}
return -ESRCH;
}
static int64_t static int64_t
hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
{ {
@ -1606,7 +1304,8 @@ setup:
return 0; return 0;
} }
static const char * const report_usage[] = { //static const char * const report_usage[] = {
const char * const report_usage[] = {
"perf report [<options>] <command>", "perf report [<options>] <command>",
NULL NULL
}; };

268
tools/perf/util/sort.c Normal file
View File

@ -0,0 +1,268 @@
#include "sort.h"
regex_t parent_regex;
char default_parent_pattern[] = "^sys_|^do_page_fault";
char *parent_pattern = default_parent_pattern;
char default_sort_order[] = "comm,dso,symbol";
char *sort_order = default_sort_order;
int sort__need_collapse = 0;
int sort__has_parent = 0;
unsigned int dsos__col_width;
unsigned int comms__col_width;
unsigned int threads__col_width;
static unsigned int parent_symbol__col_width;
char * field_sep;
LIST_HEAD(hist_entry__sort_list);
struct sort_entry sort_thread = {
.header = "Command: Pid",
.cmp = sort__thread_cmp,
.print = sort__thread_print,
.width = &threads__col_width,
};
struct sort_entry sort_comm = {
.header = "Command",
.cmp = sort__comm_cmp,
.collapse = sort__comm_collapse,
.print = sort__comm_print,
.width = &comms__col_width,
};
struct sort_entry sort_dso = {
.header = "Shared Object",
.cmp = sort__dso_cmp,
.print = sort__dso_print,
.width = &dsos__col_width,
};
struct sort_entry sort_sym = {
.header = "Symbol",
.cmp = sort__sym_cmp,
.print = sort__sym_print,
};
struct sort_entry sort_parent = {
.header = "Parent symbol",
.cmp = sort__parent_cmp,
.print = sort__parent_print,
.width = &parent_symbol__col_width,
};
struct sort_dimension {
const char *name;
struct sort_entry *entry;
int taken;
};
static struct sort_dimension sort_dimensions[] = {
{ .name = "pid", .entry = &sort_thread, },
{ .name = "comm", .entry = &sort_comm, },
{ .name = "dso", .entry = &sort_dso, },
{ .name = "symbol", .entry = &sort_sym, },
{ .name = "parent", .entry = &sort_parent, },
};
int64_t cmp_null(void *l, void *r)
{
if (!l && !r)
return 0;
else if (!l)
return -1;
else
return 1;
}
/* --sort pid */
int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
int repsep_fprintf(FILE *fp, const char *fmt, ...)
{
int n;
va_list ap;
va_start(ap, fmt);
if (!field_sep)
n = vfprintf(fp, fmt, ap);
else {
char *bf = NULL;
n = vasprintf(&bf, fmt, ap);
if (n > 0) {
char *sep = bf;
while (1) {
sep = strchr(sep, *field_sep);
if (sep == NULL)
break;
*sep = '.';
}
}
fputs(bf, fp);
free(bf);
}
va_end(ap);
return n;
}
size_t
sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%*s:%5d", width - 6,
self->thread->comm ?: "", self->thread->pid);
}
size_t
sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%*s", width, self->thread->comm);
}
/* --sort dso */
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)
return cmp_null(dso_l, dso_r);
return strcmp(dso_l->name, dso_r->name);
}
size_t
sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
if (self->dso)
return repsep_fprintf(fp, "%-*s", width, self->dso->name);
return repsep_fprintf(fp, "%*llx", width, (u64)self->ip);
}
/* --sort symbol */
int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
{
u64 ip_l, ip_r;
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);
}
size_t
sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used)
{
size_t ret = 0;
if (verbose)
ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip,
dso__symtab_origin(self->dso));
ret += repsep_fprintf(fp, "[%c] ", self->level);
if (self->sym) {
ret += repsep_fprintf(fp, "%s", self->sym->name);
if (self->sym->module)
ret += repsep_fprintf(fp, "\t[%s]",
self->sym->module->name);
} else {
ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip);
}
return ret;
}
/* --sort comm */
int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
return right->thread->pid - left->thread->pid;
}
int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
char *comm_l = left->thread->comm;
char *comm_r = right->thread->comm;
if (!comm_l || !comm_r)
return cmp_null(comm_l, comm_r);
return strcmp(comm_l, comm_r);
}
/* --sort parent */
int64_t
sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
{
struct symbol *sym_l = left->parent;
struct symbol *sym_r = right->parent;
if (!sym_l || !sym_r)
return cmp_null(sym_l, sym_r);
return strcmp(sym_l->name, sym_r->name);
}
size_t
sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width)
{
return repsep_fprintf(fp, "%-*s", width,
self->parent ? self->parent->name : "[other]");
}
int sort_dimension__add(const char *tok)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
struct sort_dimension *sd = &sort_dimensions[i];
if (sd->taken)
continue;
if (strncasecmp(tok, sd->name, strlen(tok)))
continue;
if (sd->entry->collapse)
sort__need_collapse = 1;
if (sd->entry == &sort_parent) {
int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
if (ret) {
char err[BUFSIZ];
regerror(ret, &parent_regex, err, sizeof(err));
fprintf(stderr, "Invalid regex: %s\n%s",
parent_pattern, err);
exit(-1);
}
sort__has_parent = 1;
}
list_add_tail(&sd->entry->list, &hist_entry__sort_list);
sd->taken = 1;
return 0;
}
return -ESRCH;
}

93
tools/perf/util/sort.h Normal file
View File

@ -0,0 +1,93 @@
#ifndef __PERF_SORT_H
#define __PERF_SORT_H
#include "../builtin.h"
#include "util.h"
#include "color.h"
#include <linux/list.h>
#include "cache.h"
#include <linux/rbtree.h>
#include "symbol.h"
#include "string.h"
#include "callchain.h"
#include "strlist.h"
#include "values.h"
#include "../perf.h"
#include "debug.h"
#include "header.h"
#include "parse-options.h"
#include "parse-events.h"
#include "thread.h"
#include "sort.h"
extern regex_t parent_regex;
extern char *sort_order;
extern char default_parent_pattern[];
extern char *parent_pattern;
extern char default_sort_order[];
extern int sort__need_collapse;
extern int sort__has_parent;
extern char *field_sep;
extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
extern struct sort_entry sort_sym;
extern struct sort_entry sort_parent;
extern unsigned int dsos__col_width;
extern unsigned int comms__col_width;
extern unsigned int threads__col_width;
struct hist_entry {
struct rb_node rb_node;
struct thread *thread;
struct map *map;
struct dso *dso;
struct symbol *sym;
struct symbol *parent;
u64 ip;
char level;
struct callchain_node callchain;
struct rb_root sorted_chain;
u64 count;
};
/*
* configurable sorting bits
*/
struct sort_entry {
struct list_head list;
const char *header;
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width);
unsigned int *width;
bool elide;
};
extern struct sort_entry sort_thread;
extern struct list_head hist_entry__sort_list;
extern int repsep_fprintf(FILE *fp, const char *fmt, ...);
extern size_t sort__thread_print(FILE *, struct hist_entry *, unsigned int);
extern size_t sort__comm_print(FILE *, struct hist_entry *, unsigned int);
extern size_t sort__dso_print(FILE *, struct hist_entry *, unsigned int);
extern size_t sort__sym_print(FILE *, struct hist_entry *, unsigned int __used);
extern int64_t cmp_null(void *, void *);
extern int64_t sort__thread_cmp(struct hist_entry *, struct hist_entry *);
extern int64_t sort__comm_cmp(struct hist_entry *, struct hist_entry *);
extern int64_t sort__comm_collapse(struct hist_entry *, struct hist_entry *);
extern int64_t sort__dso_cmp(struct hist_entry *, struct hist_entry *);
extern int64_t sort__sym_cmp(struct hist_entry *, struct hist_entry *);
extern int64_t sort__parent_cmp(struct hist_entry *, struct hist_entry *);
extern size_t sort__parent_print(FILE *, struct hist_entry *, unsigned int);
extern int sort_dimension__add(const char *);
#endif /* __PERF_SORT_H */