From: Adrian Hunter <adrian.hunter@intel.com>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org, David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Jiri Olsa <jolsa@redhat.com>, Mike Galbraith <efault@gmx.de>,
Namhyung Kim <namhyung@gmail.com>,
Paul Mackerras <paulus@samba.org>,
Stephane Eranian <eranian@google.com>
Subject: [PATCH V5 4/9] perf tools: add map__find_other_map_symbol()
Date: Tue, 8 Oct 2013 11:45:51 +0300 [thread overview]
Message-ID: <1381221956-16699-5-git-send-email-adrian.hunter@intel.com> (raw)
In-Reply-To: <1381221956-16699-1-git-send-email-adrian.hunter@intel.com>
Add a function to find a symbol using an ip that
might be on a different map.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/util/map.c | 27 +++++++++++++++++++++++++++
tools/perf/util/map.h | 2 ++
2 files changed, 29 insertions(+)
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 4f6680d..beedeef 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -213,6 +213,33 @@ struct symbol *map__find_symbol_by_name(struct map *map, const char *name,
return dso__find_symbol_by_name(map->dso, map->type, name);
}
+struct symbol *map__find_other_map_symbol(struct map **map_ptr, u64 *ip_ptr,
+ symbol_filter_t filter)
+{
+ struct map *map = *map_ptr;
+ u64 ip = *ip_ptr;
+ struct map *sym_map = NULL;
+ struct symbol *sym;
+
+ if (ip >= map->start && ip <= map->end)
+ sym_map = map;
+ else if (map->groups)
+ sym_map = map_groups__find(map->groups, map->type, ip);
+
+ if (!sym_map)
+ return NULL;
+
+ ip = sym_map->map_ip(sym_map, ip);
+
+ sym = map__find_symbol(sym_map, ip, filter);
+ if (sym) {
+ *map_ptr = sym_map;
+ *ip_ptr = ip;
+ }
+
+ return sym;
+}
+
struct map *map__clone(struct map *map)
{
return memdup(map, sizeof(*map));
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 4886ca2..b7b494c 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -106,6 +106,8 @@ struct symbol *map__find_symbol(struct map *map,
u64 addr, symbol_filter_t filter);
struct symbol *map__find_symbol_by_name(struct map *map, const char *name,
symbol_filter_t filter);
+struct symbol *map__find_other_map_symbol(struct map **map_ptr, u64 *ip_ptr,
+ symbol_filter_t filter);
void map__fixup_start(struct map *map);
void map__fixup_end(struct map *map);
--
1.7.11.7
next prev parent reply other threads:[~2013-10-08 8:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 8:45 [PATCH V5 0/9] perf tools: kcore improvements Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 1/9] perf tools: make a separate function to parse /proc/modules Adrian Hunter
2013-10-15 5:31 ` [tip:perf/core] perf symbols: Make a separate function to parse / proc/modules tip-bot for Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 2/9] perf tools: validate kcore module addresses Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 3/9] perf tools: workaround objdump difficulties with kcore Adrian Hunter
2013-10-08 14:02 ` Jiri Olsa
2013-10-09 7:33 ` Adrian Hunter
2013-10-09 10:12 ` Jiri Olsa
2013-10-09 10:38 ` Adrian Hunter
2013-10-09 12:16 ` Jiri Olsa
2013-10-09 12:43 ` Adrian Hunter
2013-10-08 15:56 ` Arnaldo Carvalho de Melo
2013-10-08 8:45 ` Adrian Hunter [this message]
2013-10-08 8:45 ` [PATCH V5 5/9] perf tools: fix annotate_browser__callq() Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 6/9] perf tools: find kcore symbols on other maps Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 7/9] perf tools: add copyfile_mode() Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 8/9] perf buildid-cache: add ability to add kcore to the cache Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 9/9] perf tools: add ability to find kcore in build-id cache Adrian Hunter
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