commit 5519593c07c71c55b196546a00c08106bd9a100b
author Alberto Garcia <berto@igalia.com> Wed Oct 28 17:33:00 2015 +0200
committer Kevin Wolf <kwolf@redhat.com> Thu Nov 12 16:22:45 2015 +0100
tree 5722f65afa59ddb10d40cdc77e5eaa4effd214df
parent c618f331d314c34ff2390d2dbd3f926e513c7059

block: define 'clock_type' for the accounting code

Its value is still QEMU_CLOCK_REALTIME, but having it in a variable will
allow us to change its value easily in the future when running in qtest
mode.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 547485eb841cf9e3b2770c96539ae9ae5996e214.1446044837.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/accounting.c

diff --git a/block/accounting.c b/block/accounting.c
index a423560..6f4c0f1 100644
--- a/block/accounting.c
+++ b/block/accounting.c
@@ -26,13 +26,15 @@
 #include "block/block_int.h"
 #include "qemu/timer.h"
 
+static QEMUClockType clock_type = QEMU_CLOCK_REALTIME;
+
 void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
                       int64_t bytes, enum BlockAcctType type)
 {
     assert(type < BLOCK_MAX_IOTYPE);
 
     cookie->bytes = bytes;
-    cookie->start_time_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
+    cookie->start_time_ns = qemu_clock_get_ns(clock_type);
     cookie->type = type;
 }
 
@@ -43,7 +45,7 @@
     stats->nr_bytes[cookie->type] += cookie->bytes;
     stats->nr_ops[cookie->type]++;
     stats->total_time_ns[cookie->type] +=
-        qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - cookie->start_time_ns;
+        qemu_clock_get_ns(clock_type) - cookie->start_time_ns;
 }