From mboxrd@z Thu Jan 1 00:00:00 1970 From: Masami Hiramatsu Subject: [RFC PATCH 05/11] tracing: Accept different type for synthetic event fields Date: Sat, 22 Jun 2019 01:18:50 +0900 Message-ID: <156113392998.28344.16677403249383913005.stgit@devnote2> References: <156113387975.28344.16009584175308192243.stgit@devnote2> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <156113387975.28344.16009584175308192243.stgit@devnote2> Sender: linux-kernel-owner@vger.kernel.org To: Steven Rostedt , Rob Herring , Frank Rowand , Tom Zanussi Cc: Ingo Molnar , Namhyung Kim , Jiri Olsa , Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org Make the synthetic event accepts a different type field to record. However, the size and signed flag must be same. Signed-off-by: Masami Hiramatsu --- kernel/trace/trace_events_hist.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index ca6b0dff60c5..a7f447195143 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -4063,8 +4063,11 @@ static int check_synth_field(struct synth_event *event, field = event->fields[field_pos]; - if (strcmp(field->type, hist_field->type) != 0) - return -EINVAL; + if (strcmp(field->type, hist_field->type) != 0) { + if (field->size != hist_field->size || + field->is_signed != hist_field->is_signed) + return -EINVAL; + } return 0; }