Prev: perf: don't use obsolete getpagesize
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From: Ulrich Drepper on 14 Jan 2010 12:50
perf uses the obsolete getpagesize function. Let's do better and use the
correct POSIX interface to get the information: sysconf.


Signed-off-by: Ulrich Drepper <drepper(a)redhat.com>

diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c
index b557b83..cc8b396 100644
--- a/tools/perf/util/data_map.c
+++ b/tools/perf/util/data_map.c
@@ -153,7 +153,7 @@ int perf_session__process_events(struct perf_session *self,

perf_event_ops__fill_defaults(ops);

- page_size = getpagesize();
+ page_size = sysconf(_SC_PAGESIZE);

head = self->header.data_offset;
self->sample_type = perf_header__sample_type(&self->header);
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index cace355..948dc9e 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -533,7 +533,7 @@ int read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events)
write_or_die(buf, 1);

/* save page_size */
- page_size = getpagesize();
+ page_size = sysconf(_SC_PAGESIZE);
write_or_die(&page_size, 4);

read_header_files();
--
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Prev: perf: don't use obsolete getpagesize
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