michaelh/zephyr
1
0
Fork 0
Code Releases Activity

net: Add statistics how long packets have spent in RX path

Browse source 
Calculate how long on average net_pkt has spent on its way from
network device driver to the application. The data is only
calculated for UDP and TCP network packets.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2019-10-08 14:58:13 +03:00
commit 8d3b74ab61
6 changed files with 120 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/net/net_pkt.h
View file

@ -97,9 +97,10 @@ struct net_pkt {
struct net_if *orig_iface; /* Original network interface */
#endif
#if defined(CONFIG_NET_PKT_TIMESTAMP) || defined(CONFIG_NET_PKT_TXTIME)
#if defined(CONFIG_NET_PKT_TIMESTAMP) || defined(CONFIG_NET_PKT_TXTIME) || \
defined(CONFIG_NET_PKT_RXTIME_STATS)
union {
#if defined(CONFIG_NET_PKT_TIMESTAMP)
#if defined(CONFIG_NET_PKT_TIMESTAMP) || defined(CONFIG_NET_PKT_RXTIME_STATS)
/** Timestamp if available. */
struct net_ptp_time timestamp;
#endif /* CONFIG_NET_PKT_TIMESTAMP */

14
include/net/net_stats.h
View file

@ -210,6 +210,14 @@ struct net_stats_tx_time {
net_stats_t time_count;
};
/**
* @brief Network packet receive times for calculating average RX time
*/
struct net_stats_rx_time {
u64_t sum;
net_stats_t count;
};
/**
* @brief Traffic class statistics
*/
@ -222,6 +230,7 @@ struct net_stats_tc {
} sent[NET_TC_TX_COUNT];
struct {
struct net_stats_rx_time rx_time;
net_stats_t pkts;
net_stats_t bytes;
u8_t priority;
@ -288,6 +297,11 @@ struct net_stats {
/** Network packet TX time statistics */
struct net_stats_tx_time tx_time;
#endif
#if defined(CONFIG_NET_PKT_RXTIME_STATS)
/** Network packet RX time statistics */
struct net_stats_rx_time rx_time;
#endif
};
/**