diff mbox

[v3,9/9] net: remove muldiv64()

Message ID 1440703987-29012-10-git-send-email-lvivier@redhat.com
State New
Headers show

Commit Message

Laurent Vivier Aug. 27, 2015, 7:33 p.m. UTC 
muldiv64() is used to convert nanoseconds to microseconds.

    x = muldiv64(qemu_clock_get_ns(..), 1000000, get_ticks_per_sec());

As  get_ticks_per_sec() is 10^9, it can be replaced by:

    x = qemu_clock_get_us(..);

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
---
v2: use qemu_clock_get_us() instead of qemu_clock_get_ns()/1000
 net/dump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Stefan Hajnoczi Aug. 28, 2015, 2:12 p.m. UTC | #1 
On Thu, Aug 27, 2015 at 09:33:07PM +0200, Laurent Vivier wrote:
> muldiv64() is used to convert nanoseconds to microseconds.
> 
>     x = muldiv64(qemu_clock_get_ns(..), 1000000, get_ticks_per_sec());
> 
> As  get_ticks_per_sec() is 10^9, it can be replaced by:
> 
>     x = qemu_clock_get_us(..);
> 
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> ---
> v2: use qemu_clock_get_us() instead of qemu_clock_get_ns()/1000
>  net/dump.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox

Patch

diff --git a/net/dump.c b/net/dump.c
index 02c8064..08259af 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -69,7 +69,7 @@  static ssize_t dump_receive(NetClientState *nc, const uint8_t *buf, size_t size)
         return size;
     }
 
-    ts = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 1000000, get_ticks_per_sec());
+    ts = qemu_clock_get_us(QEMU_CLOCK_VIRTUAL);
     caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
 
     hdr.ts.tv_sec = ts / 1000000 + s->start_ts;