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From: tip-bot for Jiri Olsa <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: namhyung@kernel.org, jolsa@kernel.org, tglx@linutronix.de,
	mingo@kernel.org, adrian.hunter@intel.com, acme@redhat.com,
	a.p.zijlstra@chello.nl, dsahern@gmail.com, noelgrandin@gmail.com,
	hpa@zytor.com, linux-kernel@vger.kernel.org
Subject: [tip:perf/core] perf unwind: Use find_map function in access_dso_mem
Date: Sat, 9 Jan 2016 08:41:14 -0800	[thread overview]
Message-ID: <tip-f22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc@git.kernel.org> (raw)
In-Reply-To: <1452158050-28061-4-git-send-email-jolsa@kernel.org>

Commit-ID:  f22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc
Gitweb:     http://git.kernel.org/tip/f22ed827a8d5ff5a85e7c8e865baaaaf71a8d0cc
Author:     Jiri Olsa <jolsa@kernel.org>
AuthorDate: Thu, 7 Jan 2016 10:14:00 +0100
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 8 Jan 2016 14:16:12 -0300

perf unwind: Use find_map function in access_dso_mem

The find_map helper is already there, so let's use it.

Also we're going to introduce wider search in following patch, so it'll
be easier to make this change on single place.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Noel Grandin <noelgrandin@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1452158050-28061-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/unwind-libunwind.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 3c258a0..f37859c 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -416,20 +416,19 @@ get_proc_name(unw_addr_space_t __maybe_unused as,
 static int access_dso_mem(struct unwind_info *ui, unw_word_t addr,
 			  unw_word_t *data)
 {
-	struct addr_location al;
+	struct map *map;
 	ssize_t size;
 
-	thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER,
-			      MAP__FUNCTION, addr, &al);
-	if (!al.map) {
+	map = find_map(addr, ui);
+	if (!map) {
 		pr_debug("unwind: no map for %lx\n", (unsigned long)addr);
 		return -1;
 	}
 
-	if (!al.map->dso)
+	if (!map->dso)
 		return -1;
 
-	size = dso__data_read_addr(al.map->dso, al.map, ui->machine,
+	size = dso__data_read_addr(map->dso, map, ui->machine,
 				   addr, (u8 *) data, sizeof(*data));
 
 	return !(size == sizeof(*data));

  reply	other threads:[~2016-01-09 16:41 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-07  9:13 [PATCHv2 00/13] perf tools: Various fixes Jiri Olsa
2016-01-07  9:13 ` [PATCH 01/13] perf tools: Remove perf_evlist__(enable|disable)_event functions Jiri Olsa
2016-01-09 16:40   ` [tip:perf/core] perf evlist: Remove perf_evlist__(enable|disable) _event functions tip-bot for Jiri Olsa
2016-01-07  9:13 ` [PATCH 02/13] perf tools: Make perf_evlist__open() open evsels with their cpus and threads (like perf record does) Jiri Olsa
2016-01-09 16:40   ` [tip:perf/core] perf evlist: " tip-bot for Adrian Hunter
2016-01-07  9:14 ` [PATCH 03/13] perf tools: Use find_map function in access_dso_mem Jiri Olsa
2016-01-09 16:41   ` tip-bot for Jiri Olsa [this message]
2016-01-07  9:14 ` [PATCH 04/13] perf tools libunwind: Check for mmaps also in MAP__VARIABLE tree Jiri Olsa
2016-01-09 16:41   ` [tip:perf/core] perf unwind: " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 05/13] perf tools libdw: " Jiri Olsa
2016-01-09 16:41   ` [tip:perf/core] perf " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 06/13] perf record: Store data mmaps for dwarf unwind Jiri Olsa
2016-01-07 11:12   ` Namhyung Kim
2016-01-07 12:39     ` [PATCHv2 " Jiri Olsa
2016-01-07 13:14       ` Namhyung Kim
2016-01-07 13:30         ` [PATCHv3 " Jiri Olsa
2016-01-07 20:42           ` Arnaldo Carvalho de Melo
2016-01-09 16:42           ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 07/13] perf tools: Do not show trace command if it's not compiled in Jiri Olsa
2016-01-09 16:37   ` [tip:perf/core] perf tools: Do not show trace command if it' s " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 08/13] perf script: Align event name properly Jiri Olsa
2016-01-09 16:38   ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 09/13] perf tools: Include all tools/lib directory for tags/cscope/TAGS targets Jiri Olsa
2016-01-09 16:38   ` [tip:perf/core] perf tools: Include all tools/ lib " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 10/13] perf tools: Remove list entry from struct sort_entry Jiri Olsa
2016-01-07 11:13   ` Namhyung Kim
2016-01-09 16:38   ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 11/13] perf tools: Add overhead/overhead_children keys defaults via string Jiri Olsa
2016-01-07 11:17   ` Namhyung Kim
2016-01-09 16:39   ` [tip:perf/core] perf tools: Add overhead/ overhead_children " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 12/13] perf diff: Use perf_hpp__register_sort_field interface Jiri Olsa
2016-01-07 11:17   ` Namhyung Kim
2016-01-09 16:39   ` [tip:perf/core] " tip-bot for Jiri Olsa
2016-01-07  9:14 ` [PATCH 13/13] perf tools: Export a couple of hist functions Jiri Olsa
2016-01-09 16:39   ` [tip:perf/core] perf hists: " tip-bot for Namhyung Kim

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