| b/191084510. Update perf_event.h to has aux_size, to fix below error when building lldb on |
| linux: |
| |
| llvm-project/lldb/source/Plugins/Process/Linux/IntelPTManager.cpp:53:23: |
| error: no member named 'aux_size' in 'perf_event_mmap_page' |
| return m_mmap_meta->aux_size; |
| ~~~~~~~~~~~~~^ |
| ----- |
| diff --git a/usr/include/linux/perf_event.h b/usr/include/linux/perf_event.h |
| index 1c749ee..606f875 100644 |
| --- a/usr/include/linux/perf_event.h |
| +++ b/usr/include/linux/perf_event.h |
| @@ -433,6 +433,24 @@ struct perf_event_mmap_page { |
| */ |
| __u64 data_head; /* head in the data section */ |
| __u64 data_tail; /* user-space written tail */ |
| + __u64 data_offset; /* where the buffer starts */ |
| + __u64 data_size; /* data buffer size */ |
| + |
| + /* |
| + * AUX area is defined by aux_{offset,size} fields that should be set |
| + * by the userspace, so that |
| + * |
| + * aux_offset >= data_offset + data_size |
| + * |
| + * prior to mmap()ing it. Size of the mmap()ed area should be aux_size. |
| + * |
| + * Ring buffer pointers aux_{head,tail} have the same semantics as |
| + * data_{head,tail} and same ordering rules apply. |
| + */ |
| + __u64 aux_head; |
| + __u64 aux_tail; |
| + __u64 aux_offset; |
| + __u64 aux_size; |
| }; |
| |
| #define PERF_RECORD_MISC_CPUMODE_MASK (7 << 0) |
