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| author | Richard W.M. Jones <rjones@redhat.com> | 2009-05-01 11:27:52 +0100 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2009-05-01 11:27:52 +0100 |
| commit | 24bee20ce4196d45891925332a47a05aa5e40938 (patch) | |
| tree | 434b56343dde38ae0c877cab236ada753e2f8549 /perl | |
| parent | 8c60f5c681b5d7cf90bc798fcaf94cd4e242e27f (diff) | |
| download | libguestfs-24bee20ce4196d45891925332a47a05aa5e40938.tar.gz libguestfs-24bee20ce4196d45891925332a47a05aa5e40938.tar.xz libguestfs-24bee20ce4196d45891925332a47a05aa5e40938.zip | |
Generated code for dmesg command.
Diffstat (limited to 'perl')
| -rw-r--r-- | perl/Guestfs.xs | 14 | ||||
| -rw-r--r-- | perl/lib/Sys/Guestfs.pm | 11 |
2 files changed, 25 insertions, 0 deletions
diff --git a/perl/Guestfs.xs b/perl/Guestfs.xs index 1a45c796..ed8e6700 100644 --- a/perl/Guestfs.xs +++ b/perl/Guestfs.xs @@ -1658,3 +1658,17 @@ PREINIT: if (r == -1) croak ("drop_caches: %s", guestfs_last_error (g)); +SV * +dmesg (g) + guestfs_h *g; +PREINIT: + char *kmsgs; + CODE: + kmsgs = guestfs_dmesg (g); + if (kmsgs == NULL) + croak ("dmesg: %s", guestfs_last_error (g)); + RETVAL = newSVpv (kmsgs, 0); + free (kmsgs); + OUTPUT: + RETVAL + diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm index 63a49259..01d81a6f 100644 --- a/perl/lib/Sys/Guestfs.pm +++ b/perl/lib/Sys/Guestfs.pm @@ -452,6 +452,17 @@ There is no comprehensive help for this command. You have to look at the file C<daemon/debug.c> in the libguestfs source to find out what you can do. +=item $kmsgs = $h->dmesg (); + +This returns the kernel messages (C<dmesg> output) from +the guest kernel. This is sometimes useful for extended +debugging of problems. + +Another way to get the same information is to enable +verbose messages with C<$h-E<gt>set_verbose> or by setting +the environment variable C<LIBGUESTFS_DEBUG=1> before +running the program. + =item $h->download ($remotefilename, $filename); Download file C<remotefilename> and save it as C<filename> |