Commit-ID:  4f5a473d79c755d2e325c9a8dab01804d5416923
Gitweb:     https://git.kernel.org/tip/4f5a473d79c755d2e325c9a8dab01804d5416923
Author:     Jiri Olsa <jo...@kernel.org>
AuthorDate: Thu, 10 Jan 2019 11:12:57 +0100
Committer:  Arnaldo Carvalho de Melo <a...@redhat.com>
CommitDate: Mon, 21 Jan 2019 15:15:57 -0300

perf session: Get rid of file_size variable

It's not needed and removing it makes the code a little simpler for the
upcoming changes.

It's safe to replace file_size with data_size, because the
perf_data__size() value is never smaller than data_offset + data_size.

Signed-off-by: Jiri Olsa <jo...@kernel.org>
Acked-by: Namhyung Kim <namhy...@kernel.org>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Link: http://lkml.kernel.org/r/20190110101301.6196-3-jo...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/session.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index ad14192db811..c8c2069fb01e 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1825,7 +1825,6 @@ static int __perf_session__process_events(struct 
perf_session *session)
        struct ordered_events *oe = &session->ordered_events;
        struct perf_tool *tool = session->tool;
        int fd = perf_data__fd(session->data);
-       u64 file_size = perf_data__size(session->data);
        u64 data_offset = session->header.data_offset;
        u64 data_size = session->header.data_size;
        u64 head, page_offset, file_offset, file_pos, size;
@@ -1845,14 +1844,13 @@ static int __perf_session__process_events(struct 
perf_session *session)
        if (data_size == 0)
                goto out;
 
-       if (data_offset + data_size < file_size)
-               file_size = data_offset + data_size;
+       ui_progress__init_size(&prog, data_size, "Processing events...");
 
-       ui_progress__init_size(&prog, file_size, "Processing events...");
+       data_size += data_offset;
 
        mmap_size = MMAP_SIZE;
-       if (mmap_size > file_size) {
-               mmap_size = file_size;
+       if (mmap_size > data_size) {
+               mmap_size = data_size;
                session->one_mmap = true;
        }
 
@@ -1917,7 +1915,7 @@ more:
        if (session_done())
                goto out;
 
-       if (file_pos < file_size)
+       if (file_pos < data_size)
                goto more;
 
 out:

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