From: Janne Grunau <j@jannau.net>
Date: Mon, 29 Sep 2014 12:34:32 +0000 (+0200)
Subject: ceph_erasure_code_benchmark: use 32-byte aligned input
X-Git-Tag: v0.87~11^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=abc1cfbc22bb3aebaf38f084499fdd3d17579896;p=ceph.git

ceph_erasure_code_benchmark: use 32-byte aligned input

The benchmark is supposed to measure the encoding/decoding speed and
not the overhead of buffer realignments.

Signed-off-by: Janne Grunau <j@jannau.net>
---

diff --git a/src/test/erasure-code/ceph_erasure_code_benchmark.cc b/src/test/erasure-code/ceph_erasure_code_benchmark.cc
index c6a4228bdc1e..71d22a7b24f5 100644
--- a/src/test/erasure-code/ceph_erasure_code_benchmark.cc
+++ b/src/test/erasure-code/ceph_erasure_code_benchmark.cc
@@ -144,6 +144,7 @@ int ErasureCodeBench::encode()
 
   bufferlist in;
   in.append(string(in_size, 'X'));
+  in.rebuild_aligned(32);
   set<int> want_to_encode;
   for (int i = 0; i < k + m; i++) {
     want_to_encode.insert(i);
@@ -183,6 +184,7 @@ int ErasureCodeBench::decode()
   }
   bufferlist in;
   in.append(string(in_size, 'X'));
+  in.rebuild_aligned(32);
 
   set<int> want_to_encode;
   for (int i = 0; i < k + m; i++) {