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From: Masami H. <mhi...@re...> - 2009-12-16 22:19:51
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Check whether debugpath is correct before executing command,
because perf-probe depends on the debugpath.
Signed-off-by: Masami Hiramatsu <mhi...@re...>
Cc: Ingo Molnar <mi...@el...>
Cc: Frederic Weisbecker <fwe...@gm...>
Cc: Paul Mackerras <pa...@sa...>
Cc: Arnaldo Carvalho de Melo <ac...@re...>
Cc: Steven Rostedt <ro...@go...>
Cc: Jim Keniston <jke...@us...>
Cc: Ananth N Mavinakayanahalli <an...@in...>
Cc: Christoph Hellwig <hc...@in...>
Cc: Frank Ch. Eigler <fc...@re...>
Cc: Jason Baron <jb...@re...>
Cc: K.Prasad <pr...@li...>
Cc: Peter Zijlstra <pe...@in...>
Cc: Srikar Dronamraju <sr...@li...>
---
tools/perf/builtin-probe.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 7e741f5..c1e6774 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -38,6 +38,7 @@
#include "util/strlist.h"
#include "util/event.h"
#include "util/debug.h"
+#include "util/debugfs.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/session.h"
@@ -205,6 +206,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
if ((!session.nr_probe && !session.dellist && !session.list_events))
usage_with_options(probe_usage, options);
+ if (debugfs_valid_mountpoint(debugfs_path) < 0)
+ die("Failed to find debugfs path.");
+
if (session.list_events) {
if (session.nr_probe != 0 || session.dellist) {
pr_warning(" Error: Don't use --list with"
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhi...@re...
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