lkml.org 
[lkml]   [2014]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 12/14] perf tests: Add test interface for dso data fd limit
Date
Adding a way to setup test dso limit by global variable
test_dso_data__fd_limit. It'll be used in the dso data
cache tests.

Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/dso.c | 5 +++++
tools/perf/util/dso.h | 3 +++
2 files changed, 8 insertions(+)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 80b54e7..9310369 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -7,6 +7,8 @@
#include "util.h"
#include "debug.h"

+rlim_t test_dso_data__fd_limit;
+
char dso__symtab_origin(const struct dso *dso)
{
static const char origin[] = {
@@ -262,6 +264,9 @@ static bool may_cache_fd(void)
if (!limit)
limit = get_fd_limit();

+ if (unlikely(test_dso_data__fd_limit))
+ limit = test_dso_data__fd_limit;
+
if (limit == RLIM_INFINITY)
return true;

diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index d713184..3807014 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -1,6 +1,7 @@
#ifndef __PERF_DSO
#define __PERF_DSO

+#include <sys/resource.h>
#include <linux/types.h>
#include <linux/rbtree.h>
#include <stdbool.h>
@@ -8,6 +9,8 @@
#include "map.h"
#include "build-id.h"

+extern rlim_t test_dso_data__fd_limit;
+
enum dso_binary_type {
DSO_BINARY_TYPE__KALLSYMS = 0,
DSO_BINARY_TYPE__GUEST_KALLSYMS,
--
1.8.3.1


\
 
 \ /
  Last update: 2014-05-15 20:01    [W:0.557 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site