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SubjectRe: [PATCH v2] perf buildid-cache: Warn --purge-all failures
On Thu, 10 May 2018 10:06:51 +0530
Ravi Bangoria <ravi.bangoria@linux.ibm.com> wrote:

> Warn perf buildid-cache --purge-all failures in non verbose mode.
> Ex,
>
> $ sudo chown root:root /home/ravi/.debug -R
> $ sudo chmod 700 /home/ravi/.debug/ -R
> $ ./perf buildid-cache -P
> Couldn't remove some caches. Error: Permission denied.
>
> Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>

This looks good to me.

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>

Thanks!

> ---
> tools/perf/builtin-buildid-cache.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
> index 7a7403913b57..ef6b3cc8d57d 100644
> --- a/tools/perf/builtin-buildid-cache.c
> +++ b/tools/perf/builtin-buildid-cache.c
> @@ -488,8 +488,12 @@ int cmd_buildid_cache(int argc, const char **argv)
> }
> }
>
> - if (purge_all)
> - ret = build_id_cache__purge_all();
> + if (purge_all) {
> + if (build_id_cache__purge_all()) {
> + pr_warning("Couldn't remove some caches. Error: %s.\n",
> + str_error_r(errno, sbuf, sizeof(sbuf)));
> + }
> + }
>
> if (missing_filename)
> ret = build_id_cache__fprintf_missing(session, stdout);
> --
> 2.14.3
>


--
Masami Hiramatsu <mhiramat@kernel.org>

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