Messages in this thread Patch in this message | | | 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 |
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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 <mhiramat@kernel.org> --- 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; }
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