perf tools: Unify page_size usage

Making page_size global from the util object.

Removing the not needed one.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@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@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1379003976-5839-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 3 insertions, 4 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index cf36ba2a1591..0aacd6295fe6 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -70,7 +70,6 @@ struct perf_record {
         struct perf_session     *session;
         const char              *progname;
         int                     output;
-        unsigned int            page_size;
         int                     realtime_prio;
         bool                    no_buildid;
         bool                    no_buildid_cache;
@@ -119,7 +118,7 @@ static int perf_record__mmap_read(struct perf_record *rec,
 {
         unsigned int head = perf_mmap__read_head(md);
         unsigned int old = md->prev;
-        unsigned char *data = md->base + rec->page_size;
+        unsigned char *data = md->base + page_size;
         unsigned long size;
         void *buf;
         int rc = 0;
@@ -360,8 +359,6 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 
         rec->progname = argv[0];
 
-        rec->page_size = sysconf(_SC_PAGE_SIZE);
-
         on_exit(perf_record__sig_exit, rec);
         signal(SIGCHLD, sig_handler);
         signal(SIGINT, sig_handler);
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 245020cc6180..626577830264 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -456,6 +456,7 @@ int main(int argc, const char **argv)
 {
         const char *cmd;
 
+        /* The page_size is placed in util object. */
         page_size = sysconf(_SC_PAGE_SIZE);
 
         cmd = perf_extract_argv0_path(argv[0]);
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 71b5412bbbb9..a24ce0a6a941 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1036,6 +1036,7 @@ PyMODINIT_FUNC initperf(void)
             pyrf_cpu_map__setup_types() < 0)
                 return;
 
+        /* The page_size is placed in util object. */
         page_size = sysconf(_SC_PAGE_SIZE);
 
         Py_INCREF(&pyrf_evlist__type);