diff options
Diffstat (limited to 'tools/perf/builtin-data.c')
| -rw-r--r-- | tools/perf/builtin-data.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c index 0adb5f82335a..dde25d4ca56d 100644 --- a/tools/perf/builtin-data.c +++ b/tools/perf/builtin-data.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/compiler.h> #include "builtin.h" #include "perf.h" @@ -69,7 +70,7 @@ 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 |