svn commit: r234984 - head/tools/tools/netrate/netsend
Luigi Rizzo
luigi at FreeBSD.org
Thu May 3 21:03:21 UTC 2012
Author: luigi
Date: Thu May 3 21:03:21 2012
New Revision: 234984
URL: http://svn.freebsd.org/changeset/base/234984
Log:
indicate the time per packet in nanoseconds.
Modified:
head/tools/tools/netrate/netsend/netsend.c
Modified: head/tools/tools/netrate/netsend/netsend.c
==============================================================================
--- head/tools/tools/netrate/netsend/netsend.c Thu May 3 20:50:55 2012 (r234983)
+++ head/tools/tools/netrate/netsend/netsend.c Thu May 3 21:03:21 2012 (r234984)
@@ -147,6 +147,7 @@ timing_loop(struct _a *a)
long minres_ns = 20000;
int ic, gettimeofday_cycles;
int cur_port;
+ uint64_t n, ns;
if (clock_getres(CLOCK_REALTIME, &tmptime) == -1) {
perror("clock_getres");
@@ -257,6 +258,13 @@ done:
printf("send errors: %ld\n", send_errors);
printf("approx send rate: %ld pps\n", (send_calls - send_errors) /
a->duration);
+ n = send_calls - send_errors;
+ if (n > 0) {
+ ns = (tmptime.tv_sec - starttime.tv_sec) * 1000000000UL +
+ (tmptime.tv_nsec - starttime.tv_nsec);
+ n = ns / n;
+ }
+ printf("time/packet: %u ns\n", (u_int)n);
printf("approx error rate: %ld\n", (send_errors / send_calls));
printf("waited: %lld\n", waited);
printf("approx waits/sec: %lld\n", (long long)(waited / a->duration));
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