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authorDavid Carrillo-Cisneros <davidcc@google.com>2017-04-11 23:49:16 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-04-13 11:52:51 -0300
commit570eda03213a216a88566c0da7bfe175832cfaa4 (patch)
treeff3ce5d375b0603f83c814c8fd9362385f2ad9fc
parent9961aa665b70e47d6c80141c4a2482266010f246 (diff)
perf util: Hint missing file when tool tips fail to load
Besides memory allocation failure, tips.txt may fail to load because the file is not found (a more likely cause). Communicate that to the user in tips failure warning. Signed-off-by: David Carrillo-Cisneros <davidcc@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: He Kuang <hekuang@huawei.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Paul Turner <pjt@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Que <sque@chromium.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/20170412064919.92449-5-davidcc@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d8b45cea54d0..6097d87429e2 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -696,7 +696,8 @@ const char *perf_tip(const char *dirpath)
tips = strlist__new("tips.txt", &conf);
if (tips == NULL)
- return errno == ENOENT ? NULL : "Tip: get more memory! ;-p";
+ return errno == ENOENT ? NULL :
+ "Tip: check path of tips.txt or get more memory! ;-p";
if (strlist__nr_entries(tips) == 0)
goto out;