From 471faf7537968b795b0e7b29a8854af343da89cb Mon Sep 17 00:00:00 2001
From: Julian Seward <jseward@acm.org>
Date: Fri, 28 Dec 2012 09:01:59 +0000
Subject: [PATCH] Show the guest->host code expansion ratio when debug-printing
 translations.

git-svn-id: svn://svn.valgrind.org/vex/trunk@2624
---
 VEX/priv/main_main.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/VEX/priv/main_main.c b/VEX/priv/main_main.c
index 2fdf49f887..2304d5acc2 100644
--- a/VEX/priv/main_main.c
+++ b/VEX/priv/main_main.c
@@ -864,6 +864,16 @@ VexTranslateResult LibVEX_Translate ( VexTranslateArgs* vta )
 
    vexSetAllocModeTEMP_and_clear();
 
+   if (vex_traceflags) {
+      /* Print the expansion ratio for this SB. */
+      j = 0; /* total guest bytes */
+      for (i = 0; i < vta->guest_extents->n_used; i++) {
+         j += vta->guest_extents->len[i];
+      }
+      if (1) vex_printf("VexExpansionRatio %d %d   %d :10\n\n",
+                        j, out_used, (10 * out_used) / (j == 0 ? 1 : j));
+   }
+
    vex_traceflags = 0;
    res.status = VexTransOK;
    return res;
-- 
2.47.3