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| author | Namhyung Kim <namhyung@kernel.org> | 2016-01-09 13:16:29 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-12 18:42:08 +0300 |
| commit | 34b7b0f95d41d2351a080e774d71085171db90e6 (patch) | |
| tree | 065cfa3b53e86cd17ba2b4b13fc0179e58bd9fe4 /tools/perf/builtin-report.c | |
| parent | 090cff3eae8f02395009972d01b5dfdb95bcc327 (diff) | |
| download | linux-34b7b0f95d41d2351a080e774d71085171db90e6.tar.xz | |
perf tools: Fallback to srcdir/Documentation/tips.txt
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>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1452334589-8782-4-git-send-email-namhyung@kernel.org
[ Make perf_tip() return NULL for ENOENT, making the fallback to really take place ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 10 |
1 files changed, 9 insertions, 1 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!"; + } switch (use_browser) { case 1: |