Author: adrian
Date: Mon Feb 11 02:48:49 2013
New Revision: 246648
URL: http://svnweb.freebsd.org/changeset/base/246648
Log:
Extend the timestamp to be a timeval, rather than ticks.
This makes it easier to see TX and RX buffer latencies.
Modified:
head/sys/dev/ath/if_ath_alq.c
head/sys/dev/ath/if_ath_alq.h
Modified: head/sys/dev/ath/if_ath_alq.c
==============================================================================
--- head/sys/dev/ath/if_ath_alq.c Mon Feb 11 02:15:26 2013
(r246647)
+++ head/sys/dev/ath/if_ath_alq.c Mon Feb 11 02:48:49 2013
(r246648)
@@ -44,6 +44,7 @@
#include <sys/mutex.h>
#include <sys/alq.h>
#include <sys/endian.h>
+#include <sys/time.h>
#include <dev/ath/if_ath_alq.h>
@@ -153,10 +154,13 @@ if_ath_alq_post(struct if_ath_alq *alq,
{
struct if_ath_alq_hdr *ap;
struct ale *ale;
+ struct timeval tv;
if (! if_ath_alq_checkdebug(alq, op))
return;
+ microtime(&tv);
+
/*
* Enforce some semblence of sanity on 'len'.
* Although strictly speaking, any length is possible -
@@ -172,7 +176,8 @@ if_ath_alq_post(struct if_ath_alq *alq,
ap = (struct if_ath_alq_hdr *) ale->ae_data;
ap->threadid = htobe64((uint64_t) curthread->td_tid);
- ap->tstamp = htobe32((uint32_t) ticks);
+ ap->tstamp_sec = htobe32((uint32_t) tv.tv_sec);
+ ap->tstamp_usec = htobe32((uint32_t) tv.tv_usec);
ap->op = htobe16(op);
ap->len = htobe16(len);
Modified: head/sys/dev/ath/if_ath_alq.h
==============================================================================
--- head/sys/dev/ath/if_ath_alq.h Mon Feb 11 02:15:26 2013
(r246647)
+++ head/sys/dev/ath/if_ath_alq.h Mon Feb 11 02:48:49 2013
(r246648)
@@ -116,7 +116,8 @@ struct if_ath_alq {
struct if_ath_alq_hdr {
uint64_t threadid;
- uint32_t tstamp;
+ uint32_t tstamp_sec;
+ uint32_t tstamp_usec;
uint16_t op;
uint16_t len; /* Length of (optional) payload */
};
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