linux-kernel - [PATCH 10/16] perf symbol: track symtab

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Date:	Thu,  9 Aug 2012 15:18:35 -0700
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Matt Hellsley <matthltc@...ibm.com>,
	David Hansen <dave@...ux.vnet.ibm.com>
Subject: [PATCH 10/16] perf symbol: track symtab_type of vmlinux

Previously, symtab_type would have been left at 0, or KALLSYMS, which is not
quite accurate.

Introduce DSO_SYMTAB_TYPE__VMLINUX[_GUEST].

Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
---
 tools/perf/util/symbol.c | 9 +++++++++
 tools/perf/util/symbol.h | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 6afc92d..662d1a2 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1708,6 +1708,7 @@ char dso__symtab_origin(const struct dso *dso)
 {
 	static const char origin[] = {
 		[DSO_BINARY_TYPE__KALLSYMS]		= 'k',
+		[DSO_BINARY_TYPE__VMLINUX]		= 'v',
 		[DSO_BINARY_TYPE__JAVA_JIT]		= 'j',
 		[DSO_BINARY_TYPE__DEBUGLINK]		= 'l',
 		[DSO_BINARY_TYPE__BUILD_ID_CACHE]	= 'B',
@@ -1718,6 +1719,7 @@ char dso__symtab_origin(const struct dso *dso)
 		[DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE]	= 'K',
 		[DSO_BINARY_TYPE__GUEST_KALLSYMS]	= 'g',
 		[DSO_BINARY_TYPE__GUEST_KMODULE]	= 'G',
+		[DSO_BINARY_TYPE__GUEST_VMLINUX]	= 'V',
 	};
 
 	if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND)
@@ -1793,7 +1795,9 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
 
 	default:
 	case DSO_BINARY_TYPE__KALLSYMS:
+	case DSO_BINARY_TYPE__VMLINUX:
 	case DSO_BINARY_TYPE__GUEST_KALLSYMS:
+	case DSO_BINARY_TYPE__GUEST_VMLINUX:
 	case DSO_BINARY_TYPE__JAVA_JIT:
 	case DSO_BINARY_TYPE__NOT_FOUND:
 		ret = -1;
@@ -2168,6 +2172,11 @@ int dso__load_vmlinux(struct dso *dso, struct map *map,
 	if (fd < 0)
 		return -1;
 
+	if (dso->kernel == DSO_TYPE_GUEST_KERNEL)
+		dso->symtab_type = DSO_BINARY_TYPE__GUEST_VMLINUX;
+	else
+		dso->symtab_type = DSO_BINARY_TYPE__VMLINUX;
+
 	err = dso__load_sym(dso, map, symfs_vmlinux, fd, filter, 0, 0);
 	close(fd);
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index c8ec1d7..e92bd07 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -158,6 +158,8 @@ struct addr_location {
 enum dso_binary_type {
 	DSO_BINARY_TYPE__KALLSYMS = 0,
 	DSO_BINARY_TYPE__GUEST_KALLSYMS,
+	DSO_BINARY_TYPE__VMLINUX,
+	DSO_BINARY_TYPE__GUEST_VMLINUX,
 	DSO_BINARY_TYPE__JAVA_JIT,
 	DSO_BINARY_TYPE__DEBUGLINK,
 	DSO_BINARY_TYPE__BUILD_ID_CACHE,
-- 
1.7.11.3

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