Commit-ID: 6b7007af728df7258bb60ed73099be3b59b3030e Gitweb: http://git.kernel.org/tip/6b7007af728df7258bb60ed73099be3b59b3030e Author: Geneviève Bastien <gbast...@versatic.net> AuthorDate: Thu, 27 Jul 2017 14:12:05 -0400 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Fri, 28 Jul 2017 16:30:45 -0300
perf data: Add doc when no conversion support compiled This adds documentation on the environment variables needed to the message telling that no conversion support is compiled in. Committer testing: $ make -C tools/perf install $ perf data convert --all --to-ctf myctftrace No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/ $ Signed-off-by: Geneviève Bastien <gbast...@versatic.net> Acked-by: Jiri Olsa <jo...@kernel.org> Tested-by: Arnaldo Carvalho de Melo <a...@redhat.com> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Francis Deslauriers <francis.deslauri...@efficios.com> Cc: Julien Desfossez <jdesfos...@efficios.com> Cc: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/20170727181205.24843-3-gbast...@versatic.net Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- 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 0adb5f8..46cd849 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