From 95c2fb49c833cbd4fd044ae49a45f028e8fa1af7 Mon Sep 17 00:00:00 2001
From: Daniel Byrne <byrnedj12@gmail.com>
Date: Wed, 3 Apr 2024 14:01:49 -0400
Subject: [PATCH] EMR support (#3719)

---
 src/PerfCounters.cc    | 4 +++-
 src/PerfCounters_x86.h | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/PerfCounters.cc b/src/PerfCounters.cc
index 0f77a20085b..31d2ae7f665 100644
--- a/src/PerfCounters.cc
+++ b/src/PerfCounters.cc
@@ -91,7 +91,8 @@ enum CpuMicroarch {
   IntelAlderlake,
   IntelRaptorlake,
   IntelSapphireRapid,
-  LastIntel = IntelSapphireRapid,
+  IntelEmeraldRapid,
+  LastIntel = IntelEmeraldRapid,
   FirstAMD,
   AMDF15R30 = FirstAMD,
   AMDZen,
@@ -168,6 +169,7 @@ struct PmuConfig {
 // See Intel 64 and IA32 Architectures Performance Monitoring Events.
 // See check_events from libpfm4.
 static const PmuConfig pmu_configs[] = {
+  { IntelEmeraldRapid, "Intel EmeraldRapid", 0x5111c4, 0, 0, 125, PMU_TICKS_RCB },
   { IntelSapphireRapid, "Intel SapphireRapid", 0x5111c4, 0, 0, 125, PMU_TICKS_RCB },
   { IntelRaptorlake, "Intel Raptorlake", 0x5111c4, 0, 0, 125, PMU_TICKS_RCB },
   { IntelAlderlake, "Intel Alderlake", 0x5111c4, 0, 0, 125, PMU_TICKS_RCB },
diff --git a/src/PerfCounters_x86.h b/src/PerfCounters_x86.h
index 8099dbbd707..06a429c78b2 100644
--- a/src/PerfCounters_x86.h
+++ b/src/PerfCounters_x86.h
@@ -91,6 +91,8 @@ static CpuMicroarch compute_cpu_microarch() {
       return IntelRaptorlake;
     case 0x806f0:
       return IntelSapphireRapid;
+    case 0xc06f0:
+      return IntelEmeraldRapid;
     case 0x30f00:
       return AMDF15R30;
     case 0x00f10: // Naples, Whitehaven, Summit Ridge, Snowy Owl (Zen), Milan (Zen 3) (UNTESTED)