On Thu, May 14, 2020 at 04:30:51PM +0800, Like Xu wrote:
> + struct perf_event_attr attr = {
> + .type = PERF_TYPE_RAW,
> + .size = sizeof(attr),
> + .pinned = true,
> + .exclude_host = true,
> + .config = INTEL_FIXED_VLBR_EVENT,
> + .sample_type = PERF_SAMPLE_BRANCH_STACK,
> + .branch_sample_type = PERF_SAMPLE_BRANCH_CALL_STACK |
> + PERF_SAMPLE_BRANCH_USER,Maybe order the fields according to how they're declared in the structure? > + };

