[llvm] 5b2c5e2 - [llvm-exegesis] Add pfm counters for Zen2 (znver2).

[Clement Courbet via llvm-commits]

Author: Clement Courbet
Date: 2020-02-03T10:57:41+01:00
New Revision: 5b2c5e261f1e78527af58777a4e5f79b2a696cde

URL: https://github.com/llvm/llvm-project/commit/5b2c5e261f1e78527af58777a4e5f79b2a696cde
DIFF: https://github.com/llvm/llvm-project/commit/5b2c5e261f1e78527af58777a4e5f79b2a696cde.diff

LOG: [llvm-exegesis] Add pfm counters for Zen2 (znver2).

Summary: There are no counters for individual ports, but this is already
enough to find a lot of issues in the current model (upcoming patch).

Reviewers: dblaikie, gchatelet

Subscribers: hiraditya, tschuett, RKSimon, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D72032

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86PfmCounters.td

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86PfmCounters.td b/llvm/lib/Target/X86/X86PfmCounters.td
index 93238983afa2..833013fb69f3 100644
--- a/llvm/lib/Target/X86/X86PfmCounters.td
+++ b/llvm/lib/Target/X86/X86PfmCounters.td
@@ -223,3 +223,13 @@ def ZnVer1PfmCounters : ProcPfmCounters {
   ];
 }
 def : PfmCountersBinding<"znver1", ZnVer1PfmCounters>;
+
+def ZnVer2PfmCounters : ProcPfmCounters {
+  let CycleCounter = PfmCounter<"cycles_not_in_halt">;
+  let UopsCounter = PfmCounter<"retired_uops">;
+  let IssueCounters = [
+    PfmIssueCounter<"Zn2AGU", "ls_dispatch:ld_dispatch + ls_dispatch:store_dispatch">,
+    PfmIssueCounter<"Zn2Divider", "div_op_count">
+  ];
+}
+def : PfmCountersBinding<"znver2", ZnVer2PfmCounters>;