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perf tools: Put common histogram functions in their own file 

Move histogram related functions into their own files (hist.c and
hist.h) and make use of them in builtin-annotate.c and
builtin-report.c.

Signed-off-by: John Kacur <jkacur@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <alpine.LFD.2.00.0909281531180.8316@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
John Kacur 2009-09-28 15:32:55 +02:00 committed by Ingo Molnar
parent dd68ada2d4
commit 3d1d07ecd2
5 changed files with 216 additions and 313 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/Makefile
View File

@ -340,6 +340,7 @@ LIB_H += util/module.h
LIB_H += util/color.h
LIB_H += util/values.h
LIB_H += util/sort.h
LIB_H += util/hist.h
LIB_OBJS += util/abspath.o
LIB_OBJS += util/alias.o
@ -376,6 +377,7 @@ LIB_OBJS += util/trace-event-read.o
LIB_OBJS += util/trace-event-info.o
LIB_OBJS += util/svghelper.o
LIB_OBJS += util/sort.o
LIB_OBJS += util/hist.o
BUILTIN_OBJS += builtin-annotate.o
BUILTIN_OBJS += builtin-help.o

152
tools/perf/builtin-annotate.c
View File

@ -23,6 +23,7 @@
#include "util/parse-events.h"
#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
static char const *input_name = "perf.data";
@ -47,45 +48,6 @@ struct sym_ext {
char *path;
};
/*
* histogram, sorted on item, collects counts
*/
static struct rb_root hist;
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 int64_t
hist_entry__collapse(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) {
int64_t (*f)(struct hist_entry *, struct hist_entry *);
f = se->collapse ?: se->cmp;
cmp = f(left, right);
if (cmp)
break;
}
return cmp;
}
/*
* collect histogram counts
@ -163,116 +125,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
return 0;
}
static void hist_entry__free(struct hist_entry *he)
{
free(he);
}
/*
* collapse the histogram
*/
static struct rb_root collapse_hists;
static void collapse__insert_entry(struct hist_entry *he)
{
struct rb_node **p = &collapse_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
int64_t cmp;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->count += he->count;
hist_entry__free(he);
return;
}
if (cmp < 0)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &collapse_hists);
}
static void collapse__resort(void)
{
struct rb_node *next;
struct hist_entry *n;
if (!sort__need_collapse)
return;
next = rb_first(&hist);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, &hist);
collapse__insert_entry(n);
}
}
/*
* reverse the map, sort on count.
*/
static struct rb_root output_hists;
static void output__insert_entry(struct hist_entry *he)
{
struct rb_node **p = &output_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
if (he->count > iter->count)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &output_hists);
}
static void output__resort(void)
{
struct rb_node *next;
struct hist_entry *n;
struct rb_root *tree = &hist;
if (sort__need_collapse)
tree = &collapse_hists;
next = rb_first(tree);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, tree);
output__insert_entry(n);
}
}
static unsigned long total = 0,
total_mmap = 0,
total_comm = 0,
total_fork = 0,
total_unknown = 0;
static int
process_sample_event(event_t *event, unsigned long offset, unsigned long head)
{
@ -861,7 +713,7 @@ static int __cmd_annotate(void)
dsos__fprintf(stdout);
collapse__resort();
output__resort();
output__resort(total);
find_annotations();

164
tools/perf/builtin-report.c
View File

@ -28,6 +28,7 @@
#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
static char const *input_name = "perf.data";
@ -55,8 +56,6 @@ static int exclude_other = 1;
static char callchain_default_opt[] = "fractal,0.5";
static int callchain;
static char __cwd[PATH_MAX];
static char *cwd = __cwd;
static int cwdlen;
@ -66,50 +65,8 @@ static struct thread *last_match;
static struct perf_header *header;
static
struct callchain_param callchain_param = {
.mode = CHAIN_GRAPH_REL,
.min_percent = 0.5
};
static u64 sample_type;
static struct rb_root hist;
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 int64_t
hist_entry__collapse(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) {
int64_t (*f)(struct hist_entry *, struct hist_entry *);
f = se->collapse ?: se->cmp;
cmp = f(left, right);
if (cmp)
break;
}
return cmp;
}
static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask)
{
int i;
@ -308,7 +265,6 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
return ret;
}
static size_t
hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
{
@ -573,117 +529,6 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
return 0;
}
static void hist_entry__free(struct hist_entry *he)
{
free(he);
}
/*
* collapse the histogram
*/
static struct rb_root collapse_hists;
static void collapse__insert_entry(struct hist_entry *he)
{
struct rb_node **p = &collapse_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
int64_t cmp;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->count += he->count;
hist_entry__free(he);
return;
}
if (cmp < 0)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &collapse_hists);
}
static void collapse__resort(void)
{
struct rb_node *next;
struct hist_entry *n;
if (!sort__need_collapse)
return;
next = rb_first(&hist);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, &hist);
collapse__insert_entry(n);
}
}
/*
* reverse the map, sort on count.
*/
static struct rb_root output_hists;
static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits)
{
struct rb_node **p = &output_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
if (callchain)
callchain_param.sort(&he->sorted_chain, &he->callchain,
min_callchain_hits, &callchain_param);
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
if (he->count > iter->count)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &output_hists);
}
static void output__resort(u64 total_samples)
{
struct rb_node *next;
struct hist_entry *n;
struct rb_root *tree = &hist;
u64 min_callchain_hits;
min_callchain_hits = total_samples * (callchain_param.min_percent / 100);
if (sort__need_collapse)
tree = &collapse_hists;
next = rb_first(tree);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, tree);
output__insert_entry(n, min_callchain_hits);
}
}
static size_t output__fprintf(FILE *fp, u64 total_samples)
{
struct hist_entry *pos;
@ -778,13 +623,6 @@ static size_t output__fprintf(FILE *fp, u64 total_samples)
return ret;
}
static unsigned long total = 0,
total_mmap = 0,
total_comm = 0,
total_fork = 0,
total_unknown = 0,
total_lost = 0;
static int validate_chain(struct ip_callchain *chain, event_t *event)
{
unsigned int chain_size;

164
tools/perf/util/hist.c Normal file
View File

@ -0,0 +1,164 @@
#include "hist.h"
struct rb_root hist;
struct rb_root collapse_hists;
struct rb_root output_hists;
int callchain;
struct callchain_param callchain_param = {
.mode = CHAIN_GRAPH_REL,
.min_percent = 0.5
};
unsigned long total;
unsigned long total_mmap;
unsigned long total_comm;
unsigned long total_fork;
unsigned long total_unknown;
unsigned long total_lost;
/*
* histogram, sorted on item, collects counts
*/
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;
}
int64_t
hist_entry__collapse(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) {
int64_t (*f)(struct hist_entry *, struct hist_entry *);
f = se->collapse ?: se->cmp;
cmp = f(left, right);
if (cmp)
break;
}
return cmp;
}
void hist_entry__free(struct hist_entry *he)
{
free(he);
}
/*
* collapse the histogram
*/
void collapse__insert_entry(struct hist_entry *he)
{
struct rb_node **p = &collapse_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
int64_t cmp;
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
cmp = hist_entry__collapse(iter, he);
if (!cmp) {
iter->count += he->count;
hist_entry__free(he);
return;
}
if (cmp < 0)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &collapse_hists);
}
void collapse__resort(void)
{
struct rb_node *next;
struct hist_entry *n;
if (!sort__need_collapse)
return;
next = rb_first(&hist);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, &hist);
collapse__insert_entry(n);
}
}
/*
* reverse the map, sort on count.
*/
void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits)
{
struct rb_node **p = &output_hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
if (callchain)
callchain_param.sort(&he->sorted_chain, &he->callchain,
min_callchain_hits, &callchain_param);
while (*p != NULL) {
parent = *p;
iter = rb_entry(parent, struct hist_entry, rb_node);
if (he->count > iter->count)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
}
rb_link_node(&he->rb_node, parent, p);
rb_insert_color(&he->rb_node, &output_hists);
}
void output__resort(u64 total_samples)
{
struct rb_node *next;
struct hist_entry *n;
struct rb_root *tree = &hist;
u64 min_callchain_hits;
min_callchain_hits =
total_samples * (callchain_param.min_percent / 100);
if (sort__need_collapse)
tree = &collapse_hists;
next = rb_first(tree);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
rb_erase(&n->rb_node, tree);
output__insert_entry(n, min_callchain_hits);
}
}

47
tools/perf/util/hist.h Normal file
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@ -0,0 +1,47 @@
#ifndef __PERF_HIST_H
#define __PERF_HIST_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 struct rb_root hist;
extern struct rb_root collapse_hists;
extern struct rb_root output_hists;
extern int callchain;
extern struct callchain_param callchain_param;
extern unsigned long total;
extern unsigned long total_mmap;
extern unsigned long total_comm;
extern unsigned long total_fork;
extern unsigned long total_unknown;
extern unsigned long total_lost;
extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
extern void hist_entry__free(struct hist_entry *);
extern void collapse__insert_entry(struct hist_entry *);
extern void collapse__resort(void);
extern void output__insert_entry(struct hist_entry *, u64);
extern void output__resort(u64);
#endif /* __PERF_HIST_H */