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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-10-06 14:57:10 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-06 16:33:14 -0300
commit0c1fe6b2f30fa275d939071293b6e28771283f6d (patch)
treeebb758186c877498940002396fd39916bc831da1 /tools/perf/util/session.c
parent6e92349d5a814a3f633a43d9d6bd3b199ef3ad72 (diff)
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perf tools: Have the page size value available for all tools
Its such a common need that we might as well have a global with that value. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-mwfqji9f17k5j81l1404dk3q@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r--tools/perf/util/session.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 8cdd23239c90..15abe40dc702 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1375,15 +1375,13 @@ int __perf_session__process_events(struct perf_session *session,
{
u64 head, page_offset, file_offset, file_pos, progress_next;
int err, mmap_prot, mmap_flags, map_idx = 0;
- size_t page_size, mmap_size;
+ size_t mmap_size;
char *buf, *mmaps[8];
union perf_event *event;
uint32_t size;
perf_tool__fill_defaults(tool);
- page_size = sysconf(_SC_PAGESIZE);
-
page_offset = page_size * (data_offset / page_size);
file_offset = page_offset;
head = data_offset - page_offset;