[llvm-branch-commits] [BOLT] Support pre-aggregated basic sample profile (PR #140196)

[Amir Ayupov via llvm-branch-commits]

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@@ -370,33 +370,46 @@ class DataAggregator : public DataReader {
   /// memory.
   ///
   /// File format syntax:
-  /// {B|F|f|T} [<start_id>:]<start_offset> [<end_id>:]<end_offset> [<ft_end>]
-  ///       <count> [<mispred_count>]
+  /// E <event>
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aaupov wrote:

Yes. It is possible to group samples by event name, but currently we don't have any logic based on the event names other than passing them through to fdata and YAML. 

https://github.com/llvm/llvm-project/pull/140196