Re: [PATCH] perf tools: Remove extra '/' character in events file path

From: Namhyung Kim
Date: Sun Apr 27 2014 - 20:15:58 EST


Hi xiakaixu,

(Adding Jiri and Boris to CC)

> The array debugfs_known_mountpoints[] will cause extra '/'
> character output.
> Remove it.
>
> pre:
> $ perf probe -l
> /sys/kernel/debug//tracing/uprobe_events file does not exist -
> please rebuild kernel with CONFIG_UPROBE_EVENTS.
>
> post:
> $ perf probe -l
> /sys/kernel/debug/tracing/uprobe_events file does not exist -
> please rebuild kernel with CONFIG_UPROBE_EVENTS.

Looks like all of its callers already provide a '/' after the debugfs
mountpoint, so

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung

>
> Signed-off-by: Xia Kaixu <xiakaixu@xxxxxxxxxx>
> ---
> tools/lib/api/fs/debugfs.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c
> index 7c43479..a74fba6 100644
> --- a/tools/lib/api/fs/debugfs.c
> +++ b/tools/lib/api/fs/debugfs.c
> @@ -12,8 +12,8 @@
> char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug";
>
> static const char * const debugfs_known_mountpoints[] = {
> - "/sys/kernel/debug/",
> - "/debug/",
> + "/sys/kernel/debug",
> + "/debug",
> 0,
> };
>
> -- 1.8.5.5
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