diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2014-07-23 22:19:58 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-07-23 17:07:14 -0300 |
| commit | d5652d865ea734a13a16cf563937291a84d4364d (patch) | |
| tree | 4ef63cfe0a61cf208d5fe644f2864b60c4439531 /tools | |
| parent | perf session: Add ability to 'skip' a non-piped event stream (diff) | |
| download | linux-dev-d5652d865ea734a13a16cf563937291a84d4364d.tar.xz linux-dev-d5652d865ea734a13a16cf563937291a84d4364d.zip | |
perf session: Add ability to skip 4GiB or more
A session can be made to skip portions of the input file. Do not limit
that size to 32-bits.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406143198-20732-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/session.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index f4399b2087c4..d3da1055239f 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -994,8 +994,10 @@ static int perf_session_deliver_event(struct perf_session *session, } } -static int perf_session__process_user_event(struct perf_session *session, union perf_event *event, - struct perf_tool *tool, u64 file_offset) +static s64 perf_session__process_user_event(struct perf_session *session, + union perf_event *event, + struct perf_tool *tool, + u64 file_offset) { int fd = perf_data_file__fd(session->file); int err; @@ -1037,7 +1039,7 @@ static void event_swap(union perf_event *event, bool sample_id_all) swap(event, sample_id_all); } -static int perf_session__process_event(struct perf_session *session, +static s64 perf_session__process_event(struct perf_session *session, union perf_event *event, struct perf_tool *tool, u64 file_offset) @@ -1148,7 +1150,7 @@ static int __perf_session__process_pipe_events(struct perf_session *session, union perf_event *event; uint32_t size, cur_size = 0; void *buf = NULL; - int skip = 0; + s64 skip = 0; u64 head; ssize_t err; void *p; @@ -1277,14 +1279,13 @@ int __perf_session__process_events(struct perf_session *session, u64 file_size, struct perf_tool *tool) { int fd = perf_data_file__fd(session->file); - u64 head, page_offset, file_offset, file_pos; + u64 head, page_offset, file_offset, file_pos, size; int err, mmap_prot, mmap_flags, map_idx = 0; size_t mmap_size; char *buf, *mmaps[NUM_MMAPS]; union perf_event *event; - uint32_t size; struct ui_progress prog; - int skip; + s64 skip; perf_tool__fill_defaults(tool); |