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nexedi
linux
Commits
0ffec775
Commit
0ffec775
authored
Jan 18, 2004
by
Robert Olsson
Committed by
Hideaki Yoshifuji
Jan 18, 2004
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[PKTGEN]: Fix divide by zero and get integer precision at very short time intervals.
parent
1c2a00ad
Changes
1
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1 changed file
with
13 additions
and
3 deletions
+13
-3
net/core/pktgen.c
net/core/pktgen.c
+13
-3
No files found.
net/core/pktgen.c
View file @
0ffec775
...
...
@@ -88,7 +88,7 @@
#define cycles() ((u32)get_cycles())
#define VERSION "pktgen version 1.3"
#define VERSION "pktgen version 1.3
1
"
static
char
version
[]
__initdata
=
"pktgen.c: v1.3: Packet Generator for packet performance testing.
\n
"
;
...
...
@@ -720,8 +720,18 @@ static void inject(struct pktgen_info* info)
{
char
*
p
=
info
->
result
;
__u64
pps
=
(
__u32
)(
info
->
sofar
*
1000
)
/
((
__u32
)(
total
)
/
1000
);
__u64
bps
=
pps
*
8
*
(
info
->
pkt_size
+
4
);
/* take 32bit ethernet CRC into account */
__u64
bps
,
pps
=
0
;
if
(
total
>
1000
)
pps
=
(
__u32
)(
info
->
sofar
*
1000
)
/
((
__u32
)(
total
)
/
1000
);
else
if
(
total
>
100
)
pps
=
(
__u32
)(
info
->
sofar
*
10000
)
/
((
__u32
)(
total
)
/
100
);
else
if
(
total
>
10
)
pps
=
(
__u32
)(
info
->
sofar
*
100000
)
/
((
__u32
)(
total
)
/
10
);
else
if
(
total
>
1
)
pps
=
(
__u32
)(
info
->
sofar
*
1000000
)
/
(
__u32
)
total
;
bps
=
pps
*
8
*
(
info
->
pkt_size
+
4
);
/* take 32bit ethernet CRC into account */
p
+=
sprintf
(
p
,
"OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags) %llupps %lluMb/sec (%llubps) errors: %llu"
,
(
unsigned
long
long
)
total
,
(
unsigned
long
long
)
(
total
-
idle
),
...
...
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