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Message-ID: <tip-ay1ushp57qsva9aw59rha5ve@git.kernel.org>
Date: Sun, 12 Jan 2014 10:31:37 -0800
From: tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
acme@...hat.com, hpa@...or.com, mingo@...nel.org,
peterz@...radead.org, efault@....de, namhyung@...nel.org,
jolsa@...hat.com, fweisbec@...il.com, adrian.hunter@...el.com,
dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf annotate:
Auto allocate symbol per addr hist buckets
Commit-ID: b66d8c0caa8f7925ae75fed243b0482a901f21e1
Gitweb: http://git.kernel.org/tip/b66d8c0caa8f7925ae75fed243b0482a901f21e1
Author: Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 18 Dec 2013 15:37:41 -0300
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 19 Dec 2013 11:33:51 -0300
perf annotate: Auto allocate symbol per addr hist buckets
Instead of open coding it in multiple places in 'report' and 'top'.
Acked-by: Namhyung Kim <namhyung@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-ay1ushp57qsva9aw59rha5ve@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-report.c | 59 ++++++++++++---------------------------------
tools/perf/builtin-top.c | 13 ++++------
tools/perf/util/annotate.c | 26 ++++++++++++++------
3 files changed, 40 insertions(+), 58 deletions(-)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 3a14dbe..b75fc36 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -140,22 +140,11 @@ static int perf_report__add_mem_hist_entry(struct perf_tool *tool,
goto out;
}
- if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) {
- struct annotation *notes;
-
- mx = he->mem_info;
-
- notes = symbol__annotation(mx->daddr.sym);
- if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0)
- goto out;
-
- err = symbol__inc_addr_samples(mx->daddr.sym,
- mx->daddr.map,
- evsel->idx,
- mx->daddr.al_addr);
- if (err)
- goto out;
- }
+ mx = he->mem_info;
+ err = symbol__inc_addr_samples(mx->daddr.sym, mx->daddr.map,
+ evsel->idx, mx->daddr.al_addr);
+ if (err)
+ goto out;
evsel->hists.stats.total_period += cost;
hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
@@ -214,35 +203,19 @@ static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL,
1, 1, 0);
if (he) {
- struct annotation *notes;
bx = he->branch_info;
- if (bx->from.sym && use_browser == 1 && sort__has_sym) {
- notes = symbol__annotation(bx->from.sym);
- if (!notes->src
- && symbol__alloc_hist(bx->from.sym) < 0)
- goto out;
-
- err = symbol__inc_addr_samples(bx->from.sym,
- bx->from.map,
- evsel->idx,
- bx->from.al_addr);
- if (err)
- goto out;
- }
+ err = symbol__inc_addr_samples(bx->from.sym,
+ bx->from.map, evsel->idx,
+ bx->from.al_addr);
+ if (err)
+ goto out;
+
+ err = symbol__inc_addr_samples(bx->to.sym,
+ bx->to.map, evsel->idx,
+ bx->to.al_addr);
+ if (err)
+ goto out;
- if (bx->to.sym && use_browser == 1 && sort__has_sym) {
- notes = symbol__annotation(bx->to.sym);
- if (!notes->src
- && symbol__alloc_hist(bx->to.sym) < 0)
- goto out;
-
- err = symbol__inc_addr_samples(bx->to.sym,
- bx->to.map,
- evsel->idx,
- bx->to.al_addr);
- if (err)
- goto out;
- }
evsel->hists.stats.total_period += 1;
hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
} else
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 03d37a7..73df9c0 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -189,14 +189,6 @@ static void perf_top__record_precise_ip(struct perf_top *top,
if (pthread_mutex_trylock(¬es->lock))
return;
- if (notes->src == NULL && symbol__alloc_hist(sym) < 0) {
- pthread_mutex_unlock(¬es->lock);
- pr_err("Not enough memory for annotating '%s' symbol!\n",
- sym->name);
- sleep(1);
- return;
- }
-
ip = he->ms.map->map_ip(he->ms.map, ip);
err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip);
@@ -204,6 +196,11 @@ static void perf_top__record_precise_ip(struct perf_top *top,
if (err == -ERANGE && !he->ms.map->erange_warned)
ui__warn_map_erange(he->ms.map, sym, ip);
+ else if (err == -ENOMEM) {
+ pr_err("Not enough memory for annotating '%s' symbol!\n",
+ sym->name);
+ sleep(1);
+ }
}
static void perf_top__show_details(struct perf_top *top)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0fcd81e..93614cd 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -464,17 +464,12 @@ void symbol__annotate_zero_histograms(struct symbol *sym)
pthread_mutex_unlock(¬es->lock);
}
-int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
- int evidx, u64 addr)
+static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
+ struct annotation *notes, int evidx, u64 addr)
{
unsigned offset;
- struct annotation *notes;
struct sym_hist *h;
- notes = symbol__annotation(sym);
- if (notes->src == NULL)
- return -ENOMEM;
-
pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
if (addr < sym->start || addr > sym->end)
@@ -491,6 +486,23 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
return 0;
}
+int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
+ int evidx, u64 addr)
+{
+ struct annotation *notes;
+
+ if (sym == NULL || use_browser != 1 || !sort__has_sym)
+ return 0;
+
+ notes = symbol__annotation(sym);
+ if (notes->src == NULL) {
+ if (symbol__alloc_hist(sym) < 0)
+ return -ENOMEM;
+ }
+
+ return __symbol__inc_addr_samples(sym, map, notes, evidx, addr);
+}
+
static void disasm_line__init_ins(struct disasm_line *dl)
{
dl->ins = ins__find(dl->name);
--
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