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perf buildid-cache: Warn --purge-all failures

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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>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20180510043651.12189-1-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ravi Bangoria 2018-05-10 10:06:51 +05:30 committed by Arnaldo Carvalho de Melo
parent b3f58c8da6
commit d8ed87bc17
1 changed files with 6 additions and 2 deletions
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8
tools/perf/builtin-buildid-cache.c
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@ -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);