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White Rabbit Trigger Distribution
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White Rabbit Trigger Distribution
Commits
e8c07557
Commit
e8c07557
authored
Jun 26, 2019
by
Dimitris Lampridis
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sw: avoid div-by-zero when calculating average latency
parent
38ed541d
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1 changed file
with
8 additions
and
6 deletions
+8
-6
libwrtd-attributes.c
software/lib/libwrtd-attributes.c
+8
-6
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software/lib/libwrtd-attributes.c
View file @
e8c07557
...
@@ -690,13 +690,15 @@ enum wrtd_status wrtd_attr_get_stat_rule_rx_latency_avg(struct wrtd_dev *wrtd,
...
@@ -690,13 +690,15 @@ enum wrtd_status wrtd_attr_get_stat_rule_rx_latency_avg(struct wrtd_dev *wrtd,
status
=
wrtd_find_rule
(
wrtd
,
rep_cap_id
,
&
idx
,
__func__
);
status
=
wrtd_find_rule
(
wrtd
,
rep_cap_id
,
&
idx
,
__func__
);
WRTD_RETURN_IF_ERROR
(
status
);
WRTD_RETURN_IF_ERROR
(
status
);
memset
(
value
,
0
,
sizeof
(
struct
wrtd_tstamp
));
if
(
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_nbr
!=
0
)
{
latency
=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_hi_ns
;
latency
=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_hi_ns
;
latency
<<=
32
;
latency
<<=
32
;
latency
|=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_lo_ns
;
latency
|=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_lo_ns
;
latency
/=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_nbr
;
latency
/=
wrtd
->
rules
[
idx
].
rule
.
stat
.
lat_nbr
;
memset
(
value
,
0
,
sizeof
(
struct
wrtd_tstamp
));
wrtd_ts_add_ns
(
value
,
latency
&
0xffffffff
);
wrtd_ts_add_ns
(
value
,
latency
&
0xffffffff
);
}
return
WRTD_SUCCESS
;
return
WRTD_SUCCESS
;
}
}
...
...
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