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-rw-r--r--tools/perf/builtin-data.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c
index 0adb5f82335a..46cd8490baf4 100644
--- a/tools/perf/builtin-data.c
+++ b/tools/perf/builtin-data.c
@@ -69,7 +69,7 @@ static int cmd_data_convert(int argc, const char **argv)
};
#ifndef HAVE_LIBBABELTRACE_SUPPORT
- pr_err("No conversion support compiled in.\n");
+ pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n");
return -1;
#endif