Commit-ID: d4339569a6f8bb1e703337175dcd4fd4bcd5d891
Gitweb: http://git.kernel.org/tip/d4339569a6f8bb1e703337175dcd4fd4bcd5d891
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Wed, 17 Jul 2013 19:49:41 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 17 Jul 2013 16:46:07 -0300
perf session: Use session->fd instead of passing fd as argument
Using session->fd instead of passing fd as argument because it's always
session->fd that's passed as fd argument.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1374083403-14591-2-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/header.c | 11 +++++------
tools/perf/util/header.h | 2 +-
tools/perf/util/session.c | 4 ++--
3 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index b28a65e..b3f253f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2619,19 +2619,17 @@ static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,
return 0;
}
-static int perf_header__read_pipe(struct perf_session *session, int fd)
+static int perf_header__read_pipe(struct perf_session *session)
{
struct perf_header *header = &session->header;
struct perf_pipe_file_header f_header;
- if (perf_file_header__read_pipe(&f_header, header, fd,
+ if (perf_file_header__read_pipe(&f_header, header, session->fd,
session->repipe) < 0) {
pr_debug("incompatible file format\n");
return -EINVAL;
}
- session->fd = fd;
-
return 0;
}
@@ -2725,20 +2723,21 @@ static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist,
return 0;
}
-int perf_session__read_header(struct perf_session *session, int fd)
+int perf_session__read_header(struct perf_session *session)
{
struct perf_header *header = &session->header;
struct perf_file_header f_header;
struct perf_file_attr f_attr;
u64 f_id;
int nr_attrs, nr_ids, i, j;
+ int fd = session->fd;
session->evlist = perf_evlist__new();
if (session->evlist == NULL)
return -ENOMEM;
if (session->fd_pipe)
- return perf_header__read_pipe(session, fd);
+ return perf_header__read_pipe(session);
if (perf_file_header__read(&f_header, header, fd) < 0)
return -EINVAL;
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 669fda5..0bacb2d 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -96,7 +96,7 @@ struct perf_header {
struct perf_evlist;
struct perf_session;
-int perf_session__read_header(struct perf_session *session, int fd);
+int perf_session__read_header(struct perf_session *session);
int perf_session__write_header(struct perf_session *session,
struct perf_evlist *evlist,
int fd, bool at_exit);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index d0d9f94..272c9cf 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -24,7 +24,7 @@ static int perf_session__open(struct perf_session *self, bool force)
self->fd_pipe = true;
self->fd = STDIN_FILENO;
- if (perf_session__read_header(self, self->fd) < 0)
+ if (perf_session__read_header(self) < 0)
pr_err("incompatible file format (rerun with -v to learn more)");
return 0;
@@ -56,7 +56,7 @@ static int perf_session__open(struct perf_session *self, bool force)
goto out_close;
}
- if (perf_session__read_header(self, self->fd) < 0) {
+ if (perf_session__read_header(self) < 0) {
pr_err("incompatible file format (rerun with -v to learn more)");
goto out_close;
}
--
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