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