From ba263efb92ffba13212cf4ee6fd15b4339349fb3 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Fri, 23 Sep 2022 09:02:59 -0700
Subject: Basic IPC stats support

---
 backend/regfile.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'backend')

diff --git a/backend/regfile.h b/backend/regfile.h
index 4cf328a..4ea2f31 100644
--- a/backend/regfile.h
+++ b/backend/regfile.h
@@ -4,6 +4,7 @@
 
 #include "frontend/decode.h"
 #include "infra/port.h"
+#include "infra/stat.h"
 #include "inst.h"
 #include "memory/dram.h"
 
@@ -16,6 +17,8 @@ namespace backend {
         infra::port<inst> writebackp;
         infra::port<memory::dram::command> *storep = nullptr;
 
+        infra::stat ipc{"ipc"};
+
         unsigned int generation_up = 0;
         unsigned int generation_down = 0;
 
@@ -33,6 +36,7 @@ namespace backend {
                 auto i = writebackp.read();
                 if (i.generation == generation_down) {
                     pte(i.transaction, "W", fmt::format("writeback gen={} pc={:x}", generation_down, pc));
+                    ++ipc;
                     assert(pc == i.init_pc);
                     auto old_pc = pc;
                     pc = i.linear_next_pc;
-- 
cgit v1.2.3