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authorFrederic Weisbecker <fweisbec@gmail.com>2009-11-11 06:51:04 +0300
committerIngo Molnar <mingo@elte.hu>2009-11-11 09:30:18 +0300
commit57f395a7eabb913d3605d7392be5bdb0837c9f3d (patch)
tree141135524cbdb9fa27b48f361443a91b10726f7d /tools/perf/util/symbol.h
parent8671dab9d5b2f0b444b8d09792384dccbfd43d14 (diff)
downloadlinux-57f395a7eabb913d3605d7392be5bdb0837c9f3d.tar.xz
perf tools: Split up build id saving into fetch and write
We are saving the build id once we stop the profiling. And only after doing that we know if we need to set that feature in the header through the feature bitmap. But if we want a proper feature support in the headers, using a rule of offset/size pairs in sections, we need to know in advance how many features we need to set in the headers, so that we can reserve rooms for their section headers. The current state doesn't allow that, as it forces us to first save the build-ids to the file right after the datas instead of planning any structured layout. That's why this splits up the build-ids processing in two parts: one that fetches the build-ids from the Dso objects, and one that saves them into the file. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> LKML-Reference: <1257911467-28276-3-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/symbol.h')
-rw-r--r--tools/perf/util/symbol.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index f8c1899af483..0a34a5493f1b 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -86,6 +86,7 @@ char dso__symtab_origin(const struct dso *self);
void dso__set_build_id(struct dso *self, void *build_id);
int filename__read_build_id(const char *filename, void *bf, size_t size);
+bool fetch_build_id_table(struct list_head *head);
int build_id__sprintf(u8 *self, int len, char *bf);
int load_kernel(symbol_filter_t filter);