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perf tools: Delay loading symtabs till we hit a map with it

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So that we can have a quicker start on perf top and even
speedups in the other tools, as we can have maps with no hits,
so no need to load its symtabs.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1256773881-4191-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-10-28 21:51:21 -02:00 • committed by Ingo Molnar
parent 689d301878
commit 66bd8424cc
7 changed files with 41 additions and 33 deletions
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4
tools/perf/builtin-annotate.c
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@ -165,7 +165,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
if (map != NULL) {
got_map:
ip = map->map_ip(map, ip);
sym = map->dso->find_symbol(map->dso, ip);
sym = map__find_symbol(map, ip, symbol_filter);
} else {
/*
* If this is outside of all known maps,
@ -203,7 +203,7 @@ static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{
struct map *map = map__new(&event->mmap, NULL, 0,
sizeof(struct sym_priv), symbol_filter);
sizeof(struct sym_priv));
struct thread *thread = threads__findnew(event->mmap.pid);
dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n",