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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-02-06 19:10:52 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-02-06 19:11:02 -0200
commit5ddf146f70a44ed4133dea4d377b172605a1cfa5 (patch)
tree058b6f58b5ab756f9fe798983e7c7bbf75450509 /tools/perf
parentperf record: Make feature initialization generic (diff)
parentperf evsel: Fix an issue where perf report fails to show the proper percentage (diff)
downloadlinux-dev-5ddf146f70a44ed4133dea4d377b172605a1cfa5.tar.xz
linux-dev-5ddf146f70a44ed4133dea4d377b172605a1cfa5.zip
Merge branch 'perf/urgent' into perf/core
So that we can get the perf bench exec stack fixes and then apply the remaining fix for the files added after what is in perf/urgent. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/bench/mem-memcpy-x86-64-asm.S6
-rw-r--r--tools/perf/util/event.c2
-rw-r--r--tools/perf/util/evsel.c1
3 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S
index a20780bd0771..fcd9cf00600a 100644
--- a/tools/perf/bench/mem-memcpy-x86-64-asm.S
+++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S
@@ -4,3 +4,9 @@
#define Lmemcpy_c globl memcpy_c; memcpy_c
#define Lmemcpy_c_e globl memcpy_c_e; memcpy_c_e
#include "../../../arch/x86/lib/memcpy_64.S"
+/*
+ * We need to provide note.GNU-stack section, saying that we want
+ * NOT executable stack. Otherwise the final linking will assume that
+ * the ELF stack should not be restricted at all and set it RWX.
+ */
+.section .note.GNU-stack,"",@progbits
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 73ddaf06b8e7..2044324b755a 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -554,7 +554,7 @@ static int perf_event__process_kernel_mmap(struct perf_tool *tool __used,
is_kernel_mmap = memcmp(event->mmap.filename,
kmmap_prefix,
- strlen(kmmap_prefix)) == 0;
+ strlen(kmmap_prefix) - 1) == 0;
if (event->mmap.filename[0] == '/' ||
(!is_kernel_mmap && event->mmap.filename[0] == '[')) {
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index dcfefab53e00..9a11f9edac12 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -463,6 +463,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
memset(data, 0, sizeof(*data));
data->cpu = data->pid = data->tid = -1;
data->stream_id = data->id = data->time = -1ULL;
+ data->period = 1;
if (event->header.type != PERF_RECORD_SAMPLE) {
if (!sample_id_all)