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perf session: Add 'data_offset' member to reader object

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Add 'data_offset' member to reader object.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190110101301.6196-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2019-01-10 11:13:00 +01:00 committed by Arnaldo Carvalho de Melo
parent f66f095052
commit 71002bd214
1 changed files with 5 additions and 4 deletions
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9
tools/perf/util/session.c
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@ -1823,6 +1823,7 @@ fetch_mmaped_event(struct perf_session *session,
struct reader {
int fd;
u64 data_size;
u64 data_offset;
};
static int __perf_session__process_events(struct perf_session *session)
@ -1830,10 +1831,10 @@ static int __perf_session__process_events(struct perf_session *session)
struct reader rd = {
.fd = perf_data__fd(session->data),
.data_size = session->header.data_size,
.data_offset = session->header.data_offset,
};
struct ordered_events *oe = &session->ordered_events;
struct perf_tool *tool = session->tool;
u64 data_offset = session->header.data_offset;
u64 data_size = rd.data_size;
u64 head, page_offset, file_offset, file_pos, size;
int err, mmap_prot, mmap_flags, map_idx = 0;
@ -1845,16 +1846,16 @@ static int __perf_session__process_events(struct perf_session *session)
perf_tool__fill_defaults(tool);
page_offset = page_size * (data_offset / page_size);
page_offset = page_size * (rd.data_offset / page_size);
file_offset = page_offset;
head = data_offset - page_offset;
head = rd.data_offset - page_offset;
if (data_size == 0)
goto out;
ui_progress__init_size(&prog, data_size, "Processing events...");
data_size += data_offset;
data_size += rd.data_offset;
mmap_size = MMAP_SIZE;
if (mmap_size > data_size) {