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5 Commits

Author SHA1 Message Date
Paschalis Mpeis
b037d0f0e5 [BOLT][docs] Expand Heatmaps.md (#98162) 
Improve documentation on heatmaps.
Add example for X axis labels.
 2024-07-15 08:53:27 +01:00
Paschalis Mpeis
34433fdceb [BOLT] Add -print-mappings option to heatmaps (#97567) 
Emit a mapping in the legend between the characters/buckets and the text
sections, using:

```sh
llvm-heatmap-bolt -print-mappings ..
```

Example:
```
Legend:
..
Sections:
  a/A : .init      0x00000100-0x00000200
  b/B : .plt       0x00000200-0x00000500
  c/C : .text      0x00010000-0x000a0000
  d/D : .fini      0x000a0000-0x000f0000
..
```
 2024-07-15 08:23:06 +01:00
Rahman Lavaee
0c13d97e2b Allow building heatmaps from basic sampled events with -nl. 
I find that this is useful for finding event hotspots.

Reviewed By: rafauler

Differential Revision: https://reviews.llvm.org/D123067
 2022-04-11 15:04:44 -07:00
Vladislav Khmelevsky
5c2ae5f454 [BOLT] Refactor heatmap to be standalone tool 
Separate heatmap from bolt and build it as standalone tool.

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D118946
 2022-02-07 22:00:44 +03:00
Amir Ayupov
1c5d3a056c Rebase: Merge BOLT codebase in monorepo 
Summary:
This commit is the first step in rebasing all of BOLT
history in the LLVM monorepo. It also solves trivial build issues
by updating BOLT codebase to use current LLVM. There is still work
left in rebasing some BOLT features and in making sure everything
is working as intended.

History has been rewritten to put BOLT in the /bolt folder, as
opposed to /tools/llvm-bolt.

(cherry picked from FBD33289252)
 2020-12-01 16:29:39 -08:00