linux-kernel - [PATCH] perf symbols: Add path to Ubuntu kernel debuginfo file

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Message-ID: <20140909091152.2698c0f7@kryten>
Date:	Tue, 9 Sep 2014 09:11:52 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	acme@...hat.com, a.p.zijlstra@...llo.nl, paulus@...ba.org,
	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH] perf symbols: Add path to Ubuntu kernel debuginfo file

Ubuntu places the kernel debuginfo in /usr/lib/debug/boot/vmlinux-*

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: b/tools/perf/util/symbol.c
===================================================================
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1750,7 +1750,7 @@ static int vmlinux_path__init(void)
 	struct utsname uts;
 	char bf[PATH_MAX];
 
-	vmlinux_path = malloc(sizeof(char *) * 5);
+	vmlinux_path = malloc(sizeof(char *) * 6);
 	if (vmlinux_path == NULL)
 		return -1;
 
@@ -1784,6 +1784,12 @@ static int vmlinux_path__init(void)
 		 uts.release);
 	vmlinux_path[vmlinux_path__nr_entries] = strdup(bf);
 	if (vmlinux_path[vmlinux_path__nr_entries] == NULL)
+		goto out_fail;
+	++vmlinux_path__nr_entries;
+	snprintf(bf, sizeof(bf), "/usr/lib/debug/boot/vmlinux-%s",
+		 uts.release);
+	vmlinux_path[vmlinux_path__nr_entries] = strdup(bf);
+	if (vmlinux_path[vmlinux_path__nr_entries] == NULL)
 		goto out_fail;
 	++vmlinux_path__nr_entries;
 

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