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| author | Richard W.M. Jones <rjones@redhat.com> | 2011-09-28 14:39:31 +0100 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2011-09-28 14:52:56 +0100 |
| commit | 04fbcc63ebf5718608f199eb6b09061cd32283c3 (patch) | |
| tree | 1df1bb78ce7df4f9363ca8ca41e567026aea2d8a /rescue | |
| parent | 8403f5a9d8f1451e2c2b029b51bac18724b18ebf (diff) | |
| download | libguestfs-04fbcc63ebf5718608f199eb6b09061cd32283c3.tar.gz libguestfs-04fbcc63ebf5718608f199eb6b09061cd32283c3.tar.xz libguestfs-04fbcc63ebf5718608f199eb6b09061cd32283c3.zip | |
New API: set-smp, get-smp
These calls allow you to change the number of virtual CPUs assigned to
the appliance.
This also adds a --smp option to virt-rescue.
Diffstat (limited to 'rescue')
| -rw-r--r-- | rescue/virt-rescue.c | 16 | ||||
| -rwxr-xr-x | rescue/virt-rescue.pod | 4 |
2 files changed, 20 insertions, 0 deletions
diff --git a/rescue/virt-rescue.c b/rescue/virt-rescue.c index 7c8a57b3..7ad39b5b 100644 --- a/rescue/virt-rescue.c +++ b/rescue/virt-rescue.c @@ -77,6 +77,7 @@ usage (int status) " --network Enable network\n" " -r|--ro Access read-only\n" " --selinux Enable SELinux\n" + " --smp N Enable SMP with N >= 2 virtual CPUs\n" " -v|--verbose Verbose messages\n" " -V|--version Display version and exit\n" " -w|--rw Mount read-write\n" @@ -115,6 +116,7 @@ main (int argc, char *argv[]) { "ro", 0, 0, 'r' }, { "rw", 0, 0, 'w' }, { "selinux", 0, 0, 0 }, + { "smp", 1, 0, 0 }, { "verbose", 0, 0, 'v' }, { "version", 0, 0, 'V' }, { 0, 0, 0, 0 } @@ -128,6 +130,7 @@ main (int argc, char *argv[]) const char *append = NULL; char *append_full; int memsize = 0; + int smp = 0; g = guestfs_create (); if (g == NULL) { @@ -154,6 +157,17 @@ main (int argc, char *argv[]) format = NULL; else format = optarg; + } else if (STREQ (long_options[option_index].name, "smp")) { + if (sscanf (optarg, "%u", &smp) != 1) { + fprintf (stderr, _("%s: could not parse --smp parameter '%s'\n"), + program_name, optarg); + exit (EXIT_FAILURE); + } + if (smp < 1) { + fprintf (stderr, _("%s: --smp parameter '%s' should be >= 1\n"), + program_name, optarg); + exit (EXIT_FAILURE); + } } else { fprintf (stderr, _("%s: unknown long option: %s (%d)\n"), program_name, long_options[option_index].name, option_index); @@ -270,6 +284,8 @@ main (int argc, char *argv[]) guestfs_set_memsize (g, memsize); if (network) guestfs_set_network (g, 1); + if (smp >= 1) + guestfs_set_smp (g, smp); /* Kernel command line must include guestfs_rescue=1 (see * appliance/init) as well as other options. diff --git a/rescue/virt-rescue.pod b/rescue/virt-rescue.pod index 81a24cfe..e25b6edd 100755 --- a/rescue/virt-rescue.pod +++ b/rescue/virt-rescue.pod @@ -175,6 +175,10 @@ See also L<guestfish(1)/OPENING DISKS FOR READ AND WRITE>. Enable SELinux in the rescue appliance. You should read L<guestfs(3)/SELINUX> before using this option. +=item B<--smp> N + +Enable N E<ge> 2 virtual CPUs in the rescue appliance. + =item B<-v> =item B<--verbose> |