[src/trunk]: src/usr.bin/rump_allserver add command line options for kernel m...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4848ff27d318
branches:  trunk
changeset: 762482:4848ff27d318
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Feb 21 18:50:21 2011 +0000

description:
add command line options for kernel memory allocation limit and bootverbose

diffstat:

 usr.bin/rump_allserver/rump_allserver.1 |  20 ++++++++++++++++++--
 usr.bin/rump_allserver/rump_allserver.c |  12 +++++++++---
 2 files changed, 27 insertions(+), 5 deletions(-)

diffs (97 lines):

diff -r a1901ffa668e -r 4848ff27d318 usr.bin/rump_allserver/rump_allserver.1
--- a/usr.bin/rump_allserver/rump_allserver.1   Mon Feb 21 18:12:26 2011 +0000
+++ b/usr.bin/rump_allserver/rump_allserver.1   Mon Feb 21 18:50:21 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: rump_allserver.1,v 1.15 2011/02/18 09:54:03 pooka Exp $
+.\"    $NetBSD: rump_allserver.1,v 1.16 2011/02/21 18:50:21 pooka Exp $
 .\"
 .\" Copyright (c) 2010 Antti Kantee.  All rights reserved.
 .\"
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd February 17, 2011
+.Dd February 21, 2011
 .Dt RUMP_SERVER 1
 .Os
 .Sh NAME
@@ -159,12 +159,23 @@
 For this to work, the rump kernel must include the vfs faction,
 since the module is loaded using kernel vfs code (see
 .Sx EXAMPLES ) .
+.It Fl r Ar total_ram
+Sets the limit of kernel memory allocatable by the server to
+.Ar total_ram
+as opposed to the default which allows the server to allocate as much
+memory as the host will give it.
+This parameter is especially useful for VFS servers, since by
+default the virtual file system will attempt to consume as much
+memory as it can, and accessing large files can cause an excessive
+amount of memory to be used as file system cache.
 .It Fl s
 Do not detach from the terminal.
 By default,
 .Nm
 detaches from the terminal once the service is running on
 .Ar url .
+.It Fl v
+Set bootverbose.
 .El
 .Pp
 After use,
@@ -192,6 +203,11 @@
 .Bd -literal -offset indent
 $ rump_server tcp://0:3755/
 .Ed
+.Pp
+Start a FFS server with a 16MB kernel memory limit.
+.Bd -literal -offset indent
+$ rump_server -lrumpvfs -lrumpfs_ffs -r 16m unix:///tmp/ffs_server
+.Ed
 .Sh SEE ALSO
 .Xr rump.halt 1 ,
 .Xr dlopen 3 ,
diff -r a1901ffa668e -r 4848ff27d318 usr.bin/rump_allserver/rump_allserver.c
--- a/usr.bin/rump_allserver/rump_allserver.c   Mon Feb 21 18:12:26 2011 +0000
+++ b/usr.bin/rump_allserver/rump_allserver.c   Mon Feb 21 18:50:21 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rump_allserver.c,v 1.19 2011/02/18 09:54:03 pooka Exp $        */
+/*     $NetBSD: rump_allserver.c,v 1.20 2011/02/21 18:50:21 pooka Exp $        */
 
 /*-
  * Copyright (c) 2010, 2011 Antti Kantee.  All Rights Reserved.
@@ -27,7 +27,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: rump_allserver.c,v 1.19 2011/02/18 09:54:03 pooka Exp $");
+__RCSID("$NetBSD: rump_allserver.c,v 1.20 2011/02/21 18:50:21 pooka Exp $");
 #endif /* !lint */
 
 #include <sys/types.h>
@@ -126,7 +126,7 @@
        setprogname(argv[0]);
 
        sflag = 0;
-       while ((ch = getopt(argc, argv, "c:d:l:m:s")) != -1) {
+       while ((ch = getopt(argc, argv, "c:d:l:m:r:sv")) != -1) {
                switch (ch) {
                case 'c':
                        ncpu = atoi(optarg);
@@ -299,9 +299,15 @@
                        }
                        modarray[curmod++] = optarg;
                        break;
+               case 'r':
+                       setenv("RUMP_MEMLIMIT", optarg, 1);
+                       break;
                case 's':
                        sflag = 1;
                        break;
+               case 'v':
+                       setenv("RUMP_VERBOSE", "1", 1);
+                       break;
                default:
                        usage();
                        /*NOTREACHED*/