From 63a31055fde751ba1361b72bdac0fd245802652a Mon Sep 17 00:00:00 2001
From: Jason McIntyre <jmc@cvs.openbsd.org>
Date: Thu, 26 Jun 2008 07:05:57 +0000
Subject: some minor improvements from Pierre Riteau; ok djm

---
 usr.bin/tcpbench/Makefile   |  1 -
 usr.bin/tcpbench/tcpbench.1 |  9 ++++++---
 usr.bin/tcpbench/tcpbench.c | 25 ++++++-------------------
 3 files changed, 12 insertions(+), 23 deletions(-)

(limited to 'usr.bin/tcpbench')

diff --git a/usr.bin/tcpbench/Makefile b/usr.bin/tcpbench/Makefile
index 5e6acea0f46..63371663c11 100644
--- a/usr.bin/tcpbench/Makefile
+++ b/usr.bin/tcpbench/Makefile
@@ -21,4 +21,3 @@ LDADD=-lkvm
 #BINMODE=2555
 
 .include <bsd.prog.mk>
-
diff --git a/usr.bin/tcpbench/tcpbench.1 b/usr.bin/tcpbench/tcpbench.1
index f2a68ddd483..50a9b6277cc 100644
--- a/usr.bin/tcpbench/tcpbench.1
+++ b/usr.bin/tcpbench/tcpbench.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tcpbench.1,v 1.4 2008/06/12 23:00:51 jmc Exp $
+.\" $OpenBSD: tcpbench.1,v 1.5 2008/06/26 07:05:56 jmc Exp $
 .\"
 .\" Copyright (c) 2008 Damien Miller <djm@mindrot.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 12 2008 $
+.Dd $Mdocdate: June 26 2008 $
 .Os
 .Dt TCPBENCH 1
 .Sh NAME
@@ -68,12 +68,15 @@ option.
 The options are as follows:
 .Bl -tag -width Ds
 .It Fl B Ar buf
-Specify the size of the internal write buffer used by
+Specify the size of the internal read/write buffer used by
 .Nm .
+The default is 262144 bytes.
 .It Fl k Ar kvars
 Specify one or more kernel variables to monitor; multiple variables must be
 separated with commas.
 The default is not to monitor any variables.
+Using this option requires read access to
+.Pa /dev/kmem .
 .It Fl l
 List the name of kernel variables available for monitoring and exit.
 .It Fl n Ar connections
diff --git a/usr.bin/tcpbench/tcpbench.c b/usr.bin/tcpbench/tcpbench.c
index ccd76896cac..10709ef1d14 100644
--- a/usr.bin/tcpbench/tcpbench.c
+++ b/usr.bin/tcpbench/tcpbench.c
@@ -111,25 +111,12 @@ static void __dead
 usage(void)
 {
 	fprintf(stderr,
-"Usage:\n"
-"    tcpbench -l\n"
-"    tcpbench [-v] [-p port] [-r rate] [host]\n"
-"    tcpbench [-v] [-p port] [-r rate] -s\n"
-"Options:\n"
-"    -B buf       Set read/write buffer space (default: %u)\n"
-"    -h           Display this help\n"
-"    -k var[,var] List of kernel PCB, TCB and socket variables to display\n"
-"                 (requires read access to /dev/kmem)\n"
-"    -l           List kernel vars and exit\n"
-"    -n number    use given numer of tcp connections (default: 1)\n"
-"    -p port      Specify port (default: %s)\n"
-"    -s           Server mode - listen for connections\n"
-"                 (default: client mode - initiate connection)\n"
-"    -r rate      Statistics display interval in milliseconds, or 0 to\n"
-"                 disable (default: %d)\n"
-"    -S space     Set socket send/receive space (default: kernel default)\n"
-"    -v           Increase verbosity\n",
-	    DEFAULT_BUF, DEFAULT_PORT, DEFAULT_STATS_INTERVAL);
+	    "usage: tcpbench -l\n"
+	    "       tcpbench [-v] [-B buf] [-k kvars] [-n connections]"
+	    " [-p port] [-r rate]\n"
+	    "                [-S space] hostname\n"
+	    "       tcpbench -s [-v] [-B buf] [-k kvars] [-p port] [-r rate]"
+	    " [-S space]\n");
 	exit(1);
 }
 
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