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tracing: Accept different type for synthetic event fields

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Make the synthetic event accepts a different type field to record.
However, the size and signed flag must be same.

Link: http://lkml.kernel.org/r/157867235358.17873.61732996461602171.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu 2020-01-11 01:05:53 +09:00 committed by Steven Rostedt (VMware)
parent d8d4c6d0e7
commit b05e89ae7c
1 changed files with 5 additions and 2 deletions
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5
kernel/trace/trace_events_hist.c
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@ -4110,8 +4110,11 @@ static int check_synth_field(struct synth_event *event,
field = event->fields[field_pos];
if (strcmp(field->type, hist_field->type) != 0)
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;
}