linux-kernel - [tip:perf/core] perf symbols: Do not attempt to read data from kallsyms

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Message-ID: <tip-bdac0bcf779250e89b96d4a3f381ebaf02c2f4a9@git.kernel.org>
Date:	Thu, 17 Jul 2014 21:25:11 -0700
From:	tip-bot for Adrian Hunter <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, eranian@...gle.com,
	paulus@...ba.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, namhyung@...il.com, jolsa@...hat.com,
	fweisbec@...il.com, adrian.hunter@...el.com, dsahern@...il.com,
	tglx@...utronix.de
Subject: [tip:perf/core] perf symbols:
  Do not attempt to read data from kallsyms

Commit-ID:  bdac0bcf779250e89b96d4a3f381ebaf02c2f4a9
Gitweb:     http://git.kernel.org/tip/bdac0bcf779250e89b96d4a3f381ebaf02c2f4a9
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Mon, 14 Jul 2014 13:02:43 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 16 Jul 2014 17:57:35 -0300

perf symbols: Do not attempt to read data from kallsyms

Record kallsyms binary type so that tools will not
attempt to read binary data from it.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1405332185-4050-20-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index ae2e446..156ae36 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1664,6 +1664,7 @@ do_kallsyms:
 	free(kallsyms_allocated_filename);
 
 	if (err > 0 && !dso__is_kcore(dso)) {
+		dso->binary_type = DSO_BINARY_TYPE__KALLSYMS;
 		dso__set_long_name(dso, "[kernel.kallsyms]", false);
 		map__fixup_start(map);
 		map__fixup_end(map);
@@ -1711,6 +1712,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
 	if (err > 0)
 		pr_debug("Using %s for symbols\n", kallsyms_filename);
 	if (err > 0 && !dso__is_kcore(dso)) {
+		dso->binary_type = DSO_BINARY_TYPE__GUEST_KALLSYMS;
 		machine__mmap_name(machine, path, sizeof(path));
 		dso__set_long_name(dso, strdup(path), true);
 		map__fixup_start(map);
--
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