From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 27/31] perf top: Fix top.call-graph config option reading Date: Tue, 13 Mar 2018 09:05:04 -0300 Message-ID: <20180313120508.29327-28-acme@kernel.org> References: <20180313120508.29327-1-acme@kernel.org> Return-path: In-Reply-To: <20180313120508.29327-1-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, Yisheng Xie , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Peter Zijlstra , Wang Nan , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Yisheng Xie When trying to add the "call-graph" variable for top into the .perfconfig file, like: [top] call-graph = fp I that perf_top_config() do not parse this variable. Fix it by calling perf_default_config() when the top.call-graph variable is set. Signed-off-by: Yisheng Xie Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Wang Nan Fixes: b8cbb349061e ("perf config: Bring perf_default_config to the very beginning at main()") Link: http://lkml.kernel.org/r/1520853957-36106-1-git-send-email-xieyisheng1@huawei.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-top.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 0a26b56afcc5..113c298ed38b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1223,8 +1223,10 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset) static int perf_top_config(const char *var, const char *value, void *cb __maybe_unused) { - if (!strcmp(var, "top.call-graph")) - var = "call-graph.record-mode"; /* fall-through */ + if (!strcmp(var, "top.call-graph")) { + var = "call-graph.record-mode"; + return perf_default_config(var, value, cb); + } if (!strcmp(var, "top.children")) { symbol_conf.cumulate_callchain = perf_config_bool(var, value); return 0; -- 2.14.3