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    Subject[PATCH 21/37] perf tools: Add rm_rf_perf_data function
    Date
    From: Jiri Olsa <jolsa@kernel.org>

    To remove perf.data including the directory, with checking on expected
    files and no other directories inside.

    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    Suggested-by: Andi Kleen <ak@linux.intel.com>
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephane Eranian <eranian@google.com>
    Link: http://lkml.kernel.org/r/20190224190656.30163-4-jolsa@kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/util.c | 11 +++++++++++
    tools/perf/util/util.h | 1 +
    2 files changed, 12 insertions(+)

    diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
    index 02b7a38f98ce..706818693086 100644
    --- a/tools/perf/util/util.c
    +++ b/tools/perf/util/util.c
    @@ -202,6 +202,17 @@ static int rm_rf_depth_pat(const char *path, int depth, const char **pat)
    return rmdir(path);
    }

    +int rm_rf_perf_data(const char *path)
    +{
    + const char *pat[] = {
    + "header",
    + "data.*",
    + NULL,
    + };
    +
    + return rm_rf_depth_pat(path, 0, pat);
    +}
    +
    int rm_rf(const char *path)
    {
    return rm_rf_depth_pat(path, INT_MAX, NULL);
    diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
    index ece040b799f6..01c538027c6f 100644
    --- a/tools/perf/util/util.h
    +++ b/tools/perf/util/util.h
    @@ -31,6 +31,7 @@ struct strlist;

    int mkdir_p(char *path, mode_t mode);
    int rm_rf(const char *path);
    +int rm_rf_perf_data(const char *path);
    struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
    bool lsdir_no_dot_filter(const char *name, struct dirent *d);
    int copyfile(const char *from, const char *to);
    --
    2.20.1
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