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SubjectRe: [PATCH 4/4] perf tools: Fallback to srcdir/Documentation/tips.txt
On Sat, Jan 09, 2016 at 07:16:29PM +0900, Namhyung Kim wrote:
> Some people don't install perf, but just use compiled version in the
> source. Fallback to lookup the source directory for those poor guys. :)
>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> ---
> tools/perf/builtin-report.c | 10 +++++++++-
> tools/perf/util/util.c | 11 ++++++-----
> 2 files changed, 15 insertions(+), 6 deletions(-)
>
> diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
> index d5a42ee12529..2bf537f190a0 100644
> --- a/tools/perf/builtin-report.c
> +++ b/tools/perf/builtin-report.c
> @@ -28,6 +28,7 @@
> #include "util/tool.h"
>
> #include <subcmd/parse-options.h>
> +#include <subcmd/exec-cmd.h>
> #include "util/parse-events.h"
>
> #include "util/thread.h"
> @@ -433,7 +434,14 @@ static int report__browse_hists(struct report *rep)
> int ret;
> struct perf_session *session = rep->session;
> struct perf_evlist *evlist = session->evlist;
> - const char *help = perf_tip(TIPDIR);
> + const char *help = perf_tip(system_path(TIPDIR));
> +
> + if (help == NULL) {
> + /* fallback for people who don't install perf ;-) */
> + help = perf_tip(DOCDIR);
> + if (help == NULL)
> + help = "Cannot load tips.txt file, please install perf!";
> + }

hum, I can't get this one.. seems like perf_tip does
not retun NULL if there's no tip.txt file

jirka

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