This adds documentation on the environment variables needed to the message telling that no conversion support is compiled in.
Cc: Peter Zijlstra <pet...@infradead.org> Cc: Ingo Molnar <mi...@redhat.com> Cc: Arnaldo Carvalho de Melo <a...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> Cc: Julien Desfossez <jdesfos...@efficios.com> Cc: Francis Deslauriers <francis.deslauri...@efficios.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Geneviève Bastien <gbast...@versatic.net> Signed-off-by: Geneviève Bastien <gbast...@versatic.net> --- tools/perf/builtin-data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 -- 2.13.3