From 8755a8f27ae590dde225f9005ee18c6d9c4c6d78 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Sat, 12 Sep 2009 07:52:51 +0200 Subject: perf: Store trace event name/id pairs in perf.data The trace event name<->id mapping is dynamic for each kernel compile. In order for perf.data to be useable outside the actual system, we thus need to store a table of this mapping for later use. This patch adds this table to perf.data, and provides helper functions for lookup up fields from this table. To avoid mistakes, lookup-from-table is kept completely seprate from lookup-from-local-debugfs. Signed-off-by: Arjan van de Ven Acked-by: Peter Zijlstra Cc: Paul Mackerras Cc: Frederic Weisbecker LKML-Reference: <20090912130405.6960d099@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/util/header.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'tools/perf/util/header.h') diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 5d0a72ecc919..7b0e84a87179 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -19,6 +19,8 @@ struct perf_header { s64 attr_offset; u64 data_offset; u64 data_size; + u64 event_offset; + u64 event_size; }; struct perf_header *perf_header__read(int fd); @@ -27,6 +29,10 @@ void perf_header__write(struct perf_header *self, int fd); void perf_header__add_attr(struct perf_header *self, struct perf_header_attr *attr); +void perf_header__push_event(u64 id, const char *name); +char *perf_header__find_event(u64 id); + + struct perf_header_attr * perf_header_attr__new(struct perf_counter_attr *attr); void perf_header_attr__add_id(struct perf_header_attr *self, u64 id); -- cgit v1.2.3-59-g8ed1b