From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 15/15] perf data: Add doc when no conversion support compiled Date: Fri, 28 Jul 2017 17:00:21 -0300 Message-ID: <20170728200021.11389-16-acme@kernel.org> References: <20170728200021.11389-1-acme@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20170728200021.11389-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, =?UTF-8?q?Genevi=C3=A8ve=20Bastien?= , Alexander Shishkin , Francis Deslauriers , Julien Desfossez , Mathieu Desnoyers , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Geneviève Bastien 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 Acked-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Francis Deslauriers Cc: Julien Desfossez Cc: Mathieu Desnoyers Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20170727181205.24843-3-gbastien@versatic.net Signed-off-by: Arnaldo Carvalho de Melo --- 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 -- 2.9.4