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Lower threshold for capturing RTT by rate

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This commit is contained in:
Herbert Wolverson
2024-03-12 10:52:41 -05:00
parent e20d6d39b0
commit 3ca7ca8a0d
1 changed files with 3 additions and 2 deletions
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5
src/rust/lqos_sys/src/bpf/common/flows.h
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@@ -11,7 +11,7 @@
#define SECOND_IN_NANOS 1000000000
#define TWO_SECONDS_IN_NANOS 2000000000
#define MS_IN_NANOS_T10 10000000
#define ONE_MBPS_IN_BYTES_PER_SECOND 125000
#define HALF_MBPS_IN_BYTES_PER_SECOND 62500
//#define TIMESTAMP_INTERVAL_NANOS 10000000
// Some helpers to make understanding direction easier
@@ -290,7 +290,8 @@ static __always_inline void process_tcp(
if (
tsecr == data->tsval[other_rate_index] &&
data->rate_estimate_bps[rate_index] > ONE_MBPS_IN_BYTES_PER_SECOND
(data->rate_estimate_bps[rate_index] > HALF_MBPS_IN_BYTES_PER_SECOND ||
data->rate_estimate_bps[other_rate_index] > HALF_MBPS_IN_BYTES_PER_SECOND )
) {
__u64 elapsed = dissector->now - data->ts_change_time[other_rate_index];
if (elapsed < TWO_SECONDS_IN_NANOS) {