[Qemu-devel] [PATCH 08/10] Count nanoseconds with uint64_t not doubles

[Juan Quintela]

From: Juan Quintela <address@hidden>

Signed-off-by: Juan Quintela <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
 arch_init.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch_init.c b/arch_init.c
index 9e941a0..d32aaae 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -216,6 +216,7 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, 
void *opaque)
 {
     ram_addr_t addr;
     uint64_t bytes_transferred_last;
+    uint64_t t0;
     double bwidth = 0;

     if (stage < 0) {
@@ -258,7 +259,7 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, 
void *opaque)
     }

     bytes_transferred_last = bytes_transferred;
-    bwidth = qemu_get_clock_ns(rt_clock);
+    t0 = qemu_get_clock_ns(rt_clock);

     while (!qemu_file_rate_limit(f)) {
         int bytes_sent;
@@ -270,8 +271,8 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, 
void *opaque)
         }
     }

-    bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
-    bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
+    t0 = qemu_get_clock_ns(rt_clock) - t0;
+    bwidth = (bytes_transferred - bytes_transferred_last) / t0;

     /* if we haven't transferred anything this round, force expected_time to a
      * a very high value, but without crashing */
-- 
1.7.3.2