diff options
| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2020-01-11 01:05:53 +0900 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-01-13 13:19:41 -0500 |
| commit | b05e89ae7cf3bcabc52399cb833ecc9aaa51ae04 (patch) | |
| tree | c93b8d95e12a63a83bbc82e008a456f1ed536cb4 /kernel/trace/trace_events_hist.c | |
| parent | tracing: kprobes: Register to dynevent earlier stage (diff) | |
| download | linux-dev-b05e89ae7cf3bcabc52399cb833ecc9aaa51ae04.tar.xz linux-dev-b05e89ae7cf3bcabc52399cb833ecc9aaa51ae04.zip | |
tracing: Accept different type for synthetic event fields
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>
Diffstat (limited to 'kernel/trace/trace_events_hist.c')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 0454abaeb486..4f4759c6e972 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -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) - 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; } |