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Date: Mon, 14 Dec 2009 13:10:39 -0200
From: Arnaldo Carvalho de Melo <acme@...radead.org>
To: Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Frédéric Weisbecker <fweisbec@...il.com>,
Mike Galbraith <efault@....de>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>
Subject: [PATCH 1/1] perf session: Move the hist_entries rb tree to perf_session
From: Arnaldo Carvalho de Melo <acme@...hat.com>
As we'll need to sort multiple times for multiple perf sessions, so that
we can then do a diff.
Cc: Frédéric Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-annotate.c | 19 +++++++------
tools/perf/builtin-kmem.c | 2 +-
tools/perf/builtin-report.c | 55 +++++++++++++++++++++------------------
tools/perf/builtin-sched.c | 2 +-
tools/perf/builtin-timechart.c | 2 +-
tools/perf/builtin-trace.c | 2 +-
tools/perf/util/data_map.c | 2 +-
tools/perf/util/hist.c | 43 ++++++++++++++++--------------
tools/perf/util/hist.h | 43 ++++++++++---------------------
tools/perf/util/session.h | 5 +++-
10 files changed, 86 insertions(+), 89 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index f25e89e..1f1341f 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -121,10 +121,12 @@ static void hist_hit(struct hist_entry *he, u64 ip)
h->ip[offset]);
}
-static int hist_entry__add(struct addr_location *al, u64 count)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al, u64 count)
{
bool hit;
- struct hist_entry *he = __hist_entry__add(al, NULL, count, &hit);
+ struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
+ count, &hit);
if (he == NULL)
return -ENOMEM;
hist_hit(he, al->addr);
@@ -144,7 +146,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return -1;
}
- if (hist_entry__add(&al, 1)) {
+ if (perf_session__add_hist_entry(session, &al, 1)) {
fprintf(stderr, "problem incrementing symbol count, "
"skipping event\n");
return -1;
@@ -428,11 +430,11 @@ static void annotate_sym(struct hist_entry *he)
free_source_line(he, len);
}
-static void find_annotations(void)
+static void perf_session__find_annotations(struct perf_session *self)
{
struct rb_node *nd;
- for (nd = rb_first(&hist); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
struct sym_priv *priv;
@@ -484,10 +486,9 @@ static int __cmd_annotate(void)
if (verbose > 2)
dsos__fprintf(stdout);
- collapse__resort();
- output__resort(event__total[0]);
-
- find_annotations();
+ perf_session__collapse_resort(session);
+ perf_session__output_resort(session, event__total[0]);
+ perf_session__find_annotations(session);
out_delete:
perf_session__delete(session);
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index e79ecbc..3b329c6 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -344,7 +344,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session __used)
{
sample_type = type;
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 9cbdcbc..854427f 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -38,6 +38,7 @@ static char *dso_list_str, *comm_list_str, *sym_list_str,
static struct strlist *dso_list, *comm_list, *sym_list;
static int force;
+static bool use_callchain;
static int show_nr_samples;
@@ -312,8 +313,9 @@ 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)
+static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self,
+ struct perf_session *session,
+ u64 total_samples)
{
struct sort_entry *se;
size_t ret;
@@ -345,7 +347,7 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
ret += fprintf(fp, "\n");
- if (callchain) {
+ if (session->use_callchain) {
int left_margin = 0;
if (sort__first_dimension == SORT_COMM) {
@@ -422,7 +424,7 @@ static struct symbol **resolve_callchain(struct thread *thread,
struct symbol **syms = NULL;
unsigned int i;
- if (callchain) {
+ if (session->use_callchain) {
syms = calloc(chain->nr, sizeof(*syms));
if (!syms) {
fprintf(stderr, "Can't allocate memory for symbols\n");
@@ -454,7 +456,7 @@ static struct symbol **resolve_callchain(struct thread *thread,
if (sort__has_parent && !*parent &&
call__match(al.sym))
*parent = al.sym;
- if (!callchain)
+ if (!session->use_callchain)
break;
syms[i] = al.sym;
}
@@ -467,25 +469,25 @@ static struct symbol **resolve_callchain(struct thread *thread,
* collect histogram counts
*/
-static int hist_entry__add(struct addr_location *al,
- struct perf_session *session,
- struct ip_callchain *chain, u64 count)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al,
+ struct ip_callchain *chain, u64 count)
{
struct symbol **syms = NULL, *parent = NULL;
bool hit;
struct hist_entry *he;
- if ((sort__has_parent || callchain) && chain)
- syms = resolve_callchain(al->thread, session, chain, &parent);
+ if ((sort__has_parent || self->use_callchain) && chain)
+ syms = resolve_callchain(al->thread, self, chain, &parent);
- he = __hist_entry__add(al, parent, count, &hit);
+ he = __perf_session__add_hist_entry(self, al, parent, count, &hit);
if (he == NULL)
return -ENOMEM;
if (hit)
he->count += count;
- if (callchain) {
+ if (self->use_callchain) {
if (!hit)
callchain_init(&he->callchain);
append_chain(&he->callchain, chain, syms);
@@ -495,7 +497,8 @@ static int hist_entry__add(struct addr_location *al,
return 0;
}
-static size_t output__fprintf(FILE *fp, u64 total_samples)
+static size_t perf_session__fprintf_hist_entries(struct perf_session *self,
+ u64 total_samples, FILE *fp)
{
struct hist_entry *pos;
struct sort_entry *se;
@@ -567,9 +570,9 @@ static size_t output__fprintf(FILE *fp, u64 total_samples)
fprintf(fp, "#\n");
print_entries:
- for (nd = rb_first(&hist); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
pos = rb_entry(nd, struct hist_entry, rb_node);
- ret += hist_entry__fprintf(fp, pos, total_samples);
+ ret += hist_entry__fprintf(fp, pos, self, total_samples);
}
if (sort_order == default_sort_order &&
@@ -671,7 +674,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
if (sym_list && al.sym && !strlist__has_entry(sym_list, al.sym->name))
return 0;
- if (hist_entry__add(&al, session, data.callchain, data.period)) {
+ if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
pr_debug("problem incrementing symbol count, skipping event\n");
return -1;
}
@@ -719,7 +722,7 @@ static int process_read_event(event_t *event, struct perf_session *session __use
return 0;
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session)
{
sample_type = type;
@@ -730,14 +733,14 @@ static int sample_type_check(u64 type)
" perf record without -g?\n");
return -1;
}
- if (callchain) {
+ if (session->use_callchain) {
fprintf(stderr, "selected -g but no callchain data."
" Did you call perf record without"
" -g?\n");
return -1;
}
- } else if (callchain_param.mode != CHAIN_NONE && !callchain) {
- callchain = 1;
+ } else if (callchain_param.mode != CHAIN_NONE && !session->use_callchain) {
+ session->use_callchain = true;
if (register_callchain_param(&callchain_param) < 0) {
fprintf(stderr, "Can't register callchain"
" params\n");
@@ -769,6 +772,8 @@ static int __cmd_report(void)
if (session == NULL)
return -ENOMEM;
+ session->use_callchain = use_callchain;
+
if (show_threads)
perf_read_values_init(&show_threads_values);
@@ -787,9 +792,9 @@ static int __cmd_report(void)
if (verbose > 2)
dsos__fprintf(stdout);
- collapse__resort();
- output__resort(event__stats.total);
- output__fprintf(stdout, event__stats.total);
+ perf_session__collapse_resort(session);
+ perf_session__output_resort(session, event__stats.total);
+ perf_session__fprintf_hist_entries(session, event__stats.total, stdout);
if (show_threads)
perf_read_values_destroy(&show_threads_values);
@@ -805,7 +810,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
char *tok;
char *endptr;
- callchain = 1;
+ use_callchain = true;
if (!arg)
return 0;
@@ -826,7 +831,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
- callchain = 0;
+ use_callchain = true;
return 0;
}
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index bce05df..412ae92 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1655,7 +1655,7 @@ static int process_lost_event(event_t *event __used,
return 0;
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session __used)
{
sample_type = type;
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 2701853..3a0a89e 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1033,7 +1033,7 @@ static void process_samples(void)
}
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session __used)
{
sample_type = type;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 9d89ae4..adce442 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -103,7 +103,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session __used)
{
sample_type = type;
diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c
index 44dea21..08c4cf5 100644
--- a/tools/perf/util/data_map.c
+++ b/tools/perf/util/data_map.c
@@ -161,7 +161,7 @@ int perf_session__process_events(struct perf_session *self,
err = -EINVAL;
if (ops->sample_type_check &&
- ops->sample_type_check(sample_type) < 0)
+ ops->sample_type_check(sample_type, self) < 0)
goto out_err;
if (!ops->full_paths) {
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index b40e37d..b9828fc 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1,7 +1,6 @@
#include "hist.h"
-
-struct rb_root hist;
-int callchain;
+#include "session.h"
+#include "sort.h"
struct callchain_param callchain_param = {
.mode = CHAIN_GRAPH_REL,
@@ -12,11 +11,12 @@ struct callchain_param callchain_param = {
* histogram, sorted on item, collects counts
*/
-struct hist_entry *__hist_entry__add(struct addr_location *al,
- struct symbol *sym_parent,
- u64 count, bool *hit)
+struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al,
+ struct symbol *sym_parent,
+ u64 count, bool *hit)
{
- struct rb_node **p = &hist.rb_node;
+ struct rb_node **p = &self->hists.rb_node;
struct rb_node *parent = NULL;
struct hist_entry *he;
struct hist_entry entry = {
@@ -52,7 +52,7 @@ struct hist_entry *__hist_entry__add(struct addr_location *al,
return NULL;
*he = entry;
rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &hist);
+ rb_insert_color(&he->rb_node, &self->hists);
*hit = false;
return he;
}
@@ -129,7 +129,7 @@ static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
rb_insert_color(&he->rb_node, root);
}
-void collapse__resort(void)
+void perf_session__collapse_resort(struct perf_session *self)
{
struct rb_root tmp;
struct rb_node *next;
@@ -139,31 +139,33 @@ void collapse__resort(void)
return;
tmp = RB_ROOT;
- next = rb_first(&hist);
+ next = rb_first(&self->hists);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
- rb_erase(&n->rb_node, &hist);
+ rb_erase(&n->rb_node, &self->hists);
collapse__insert_entry(&tmp, n);
}
- hist = tmp;
+ self->hists = tmp;
}
/*
* reverse the map, sort on count.
*/
-static void output__insert_entry(struct rb_root *root, struct hist_entry *he,
- u64 min_callchain_hits)
+static void perf_session__insert_output_hist_entry(struct perf_session *self,
+ struct rb_root *root,
+ struct hist_entry *he,
+ u64 min_callchain_hits)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
struct hist_entry *iter;
- if (callchain)
+ if (self->use_callchain)
callchain_param.sort(&he->sorted_chain, &he->callchain,
min_callchain_hits, &callchain_param);
@@ -181,7 +183,7 @@ static void output__insert_entry(struct rb_root *root, struct hist_entry *he,
rb_insert_color(&he->rb_node, root);
}
-void output__resort(u64 total_samples)
+void perf_session__output_resort(struct perf_session *self, u64 total_samples)
{
struct rb_root tmp;
struct rb_node *next;
@@ -192,15 +194,16 @@ void output__resort(u64 total_samples)
total_samples * (callchain_param.min_percent / 100);
tmp = RB_ROOT;
- next = rb_first(&hist);
+ next = rb_first(&self->hists);
while (next) {
n = rb_entry(next, struct hist_entry, rb_node);
next = rb_next(&n->rb_node);
- rb_erase(&n->rb_node, &hist);
- output__insert_entry(&tmp, n, min_callchain_hits);
+ rb_erase(&n->rb_node, &self->hists);
+ perf_session__insert_output_hist_entry(self, &tmp, n,
+ min_callchain_hits);
}
- hist = tmp;
+ self->hists = tmp;
}
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index a6cb148..7efdb1b 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -1,40 +1,25 @@
#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 <linux/types.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 int callchain;
extern struct callchain_param callchain_param;
-struct hist_entry *__hist_entry__add(struct addr_location *al,
- struct symbol *parent,
- u64 count, bool *hit);
+struct perf_session;
+struct hist_entry;
+struct addr_location;
+struct symbol;
+
+struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al,
+ struct symbol *parent,
+ u64 count, bool *hit);
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__resort(void);
-extern void output__resort(u64);
+void hist_entry__free(struct hist_entry *);
+
+void perf_session__output_resort(struct perf_session *self, u64 total_samples);
+void perf_session__collapse_resort(struct perf_session *self);
#endif /* __PERF_HIST_H */
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 20b2c9c..759d960 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -16,10 +16,12 @@ struct perf_session {
struct map_groups kmaps;
struct rb_root threads;
struct thread *last_match;
+ struct rb_root hists;
int fd;
int cwdlen;
char *cwd;
bool use_modules;
+ bool use_callchain;
char filename[0];
};
@@ -35,7 +37,8 @@ struct perf_event_ops {
event_op process_read_event;
event_op process_throttle_event;
event_op process_unthrottle_event;
- int (*sample_type_check)(u64 sample_type);
+ int (*sample_type_check)(u64 sample_type,
+ struct perf_session *session);
unsigned long total_unknown;
bool full_paths;
};
--
1.6.2.5
--
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