| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Sat, 9 Jan 2016 08:22:00 -0800
From: tip-bot for Namhyung Kim <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: peterz@...radead.org, acme@...hat.com, hpa@...or.com,
andi@...stfloor.org, tglx@...utronix.de, fweisbec@...il.com,
namhyung@...nel.org, rostedt@...dmis.org, dsahern@...il.com,
jolsa@...nel.org, mingo@...nel.org, linux-kernel@...r.kernel.org,
wangnan0@...wei.com
Subject: [tip:perf/core] perf hist:
Pass struct sample to __hists__add_entry()
Commit-ID: fd36f3dd79331b9610664b867ff205465bf9ce68
Gitweb: http://git.kernel.org/tip/fd36f3dd79331b9610664b867ff205465bf9ce68
Author: Namhyung Kim <namhyung@...nel.org>
AuthorDate: Wed, 23 Dec 2015 02:06:58 +0900
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 6 Jan 2016 20:11:10 -0300
perf hist: Pass struct sample to __hists__add_entry()
This is a preparation to add more info into the hist_entry. Also it
already passes too many argument, so passing sample directly will reduce
the overhead of the function call.
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1450804030-29193-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-annotate.c | 7 +++++--
tools/perf/builtin-diff.c | 11 +++++------
tools/perf/tests/hists_link.c | 6 +++---
tools/perf/util/hist.c | 31 +++++++++++++++++--------------
tools/perf/util/hist.h | 4 ++--
5 files changed, 32 insertions(+), 27 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index e18f1b9..b5b8db0 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -47,7 +47,7 @@ struct perf_annotate {
};
static int perf_evsel__add_sample(struct perf_evsel *evsel,
- struct perf_sample *sample __maybe_unused,
+ struct perf_sample *sample,
struct addr_location *al,
struct perf_annotate *ann)
{
@@ -72,7 +72,10 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
return 0;
}
- he = __hists__add_entry(hists, al, NULL, NULL, NULL, 1, 1, 0, true);
+ sample->period = 1;
+ sample->weight = 1;
+
+ he = __hists__add_entry(hists, al, NULL, NULL, NULL, sample, true);
if (he == NULL)
return -ENOMEM;
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 0b180a8..69f5b1fe 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -311,11 +311,11 @@ static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair,
}
static int hists__add_entry(struct hists *hists,
- struct addr_location *al, u64 period,
- u64 weight, u64 transaction)
+ struct addr_location *al,
+ struct perf_sample *sample)
{
- if (__hists__add_entry(hists, al, NULL, NULL, NULL, period, weight,
- transaction, true) != NULL)
+ if (__hists__add_entry(hists, al, NULL, NULL, NULL,
+ sample, true) != NULL)
return 0;
return -ENOMEM;
}
@@ -336,8 +336,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused,
return -1;
}
- if (hists__add_entry(hists, &al, sample->period,
- sample->weight, sample->transaction)) {
+ if (hists__add_entry(hists, &al, sample)) {
pr_warning("problem incrementing symbol period, skipping event\n");
goto out_put;
}
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index 6243e2b..9eac98d 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -64,7 +64,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
struct perf_evsel *evsel;
struct addr_location al;
struct hist_entry *he;
- struct perf_sample sample = { .period = 1, };
+ struct perf_sample sample = { .period = 1, .weight = 1, };
size_t i = 0, k;
/*
@@ -90,7 +90,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
goto out;
he = __hists__add_entry(hists, &al, NULL,
- NULL, NULL, 1, 1, 0, true);
+ NULL, NULL, &sample, true);
if (he == NULL) {
addr_location__put(&al);
goto out;
@@ -116,7 +116,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
goto out;
he = __hists__add_entry(hists, &al, NULL,
- NULL, NULL, 1, 1, 0, true);
+ NULL, NULL, &sample, true);
if (he == NULL) {
addr_location__put(&al);
goto out;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 56e97f5..039bb91 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -461,7 +461,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
struct symbol *sym_parent,
struct branch_info *bi,
struct mem_info *mi,
- u64 period, u64 weight, u64 transaction,
+ struct perf_sample *sample,
bool sample_self)
{
struct hist_entry entry = {
@@ -478,15 +478,15 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
.level = al->level,
.stat = {
.nr_events = 1,
- .period = period,
- .weight = weight,
+ .period = sample->period,
+ .weight = sample->weight,
},
.parent = sym_parent,
.filtered = symbol__parent_filter(sym_parent) | al->filtered,
.hists = hists,
.branch_info = bi,
.mem_info = mi,
- .transaction = transaction,
+ .transaction = sample->transaction,
};
return hists__findnew_entry(hists, &entry, al, sample_self);
@@ -526,12 +526,13 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
u64 cost;
struct mem_info *mi = iter->priv;
struct hists *hists = evsel__hists(iter->evsel);
+ struct perf_sample *sample = iter->sample;
struct hist_entry *he;
if (mi == NULL)
return -EINVAL;
- cost = iter->sample->weight;
+ cost = sample->weight;
if (!cost)
cost = 1;
@@ -542,8 +543,10 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
* and this is indirectly achieved by passing period=weight here
* and the he_stat__add_period() function.
*/
+ sample->period = cost;
+
he = __hists__add_entry(hists, al, iter->parent, NULL, mi,
- cost, cost, 0, true);
+ sample, true);
if (!he)
return -ENOMEM;
@@ -630,6 +633,7 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
struct branch_info *bi;
struct perf_evsel *evsel = iter->evsel;
struct hists *hists = evsel__hists(evsel);
+ struct perf_sample *sample = iter->sample;
struct hist_entry *he = NULL;
int i = iter->curr;
int err = 0;
@@ -643,9 +647,11 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
* The report shows the percentage of total branches captured
* and not events sampled. Thus we use a pseudo period of 1.
*/
+ sample->period = 1;
+ sample->weight = bi->flags.cycles ? bi->flags.cycles : 1;
+
he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL,
- 1, bi->flags.cycles ? bi->flags.cycles : 1,
- 0, true);
+ sample, true);
if (he == NULL)
return -ENOMEM;
@@ -682,8 +688,7 @@ iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location
struct hist_entry *he;
he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
- sample->period, sample->weight,
- sample->transaction, true);
+ sample, true);
if (he == NULL)
return -ENOMEM;
@@ -744,8 +749,7 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
int err = 0;
he = __hists__add_entry(hists, al, iter->parent, NULL, NULL,
- sample->period, sample->weight,
- sample->transaction, true);
+ sample, true);
if (he == NULL)
return -ENOMEM;
@@ -818,8 +822,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
}
he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
- sample->period, sample->weight,
- sample->transaction, false);
+ sample, false);
if (he == NULL)
return -ENOMEM;
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index a48a207..36439bf 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -114,8 +114,8 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *parent,
struct branch_info *bi,
- struct mem_info *mi, u64 period,
- u64 weight, u64 transaction,
+ struct mem_info *mi,
+ struct perf_sample *sample,
bool sample_self);
int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
int max_stack_depth, void *arg);
Powered by blists - more mailing lists