Re: [Qemu-devel] [PATCH v6 2/2] log: Make glib logging go through QEMU

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Fri, Jan 25, 2019 at 06:22:29PM +0100, Christophe Fergeau wrote:
> This commit adds a qemu_init_logging() helper which calls
> g_log_set_default_handler() so that glib logs (g_log, g_warning, ...)
> are handled similarly to other QEMU logs. This means they will get a
> timestamp if timestamps are enabled, and they will go through the
> HMP monitor if one is configured.
> This commit also adds a call to qemu_init_logging() to the binaries
> installed by QEMU.
> glib debug messages are enabled through G_MESSAGES_DEBUG similarly to
> glib default log handler.
> 
> At the moment, this change will mostly impact SPICE logging if your
> spice version is >= 0.14.1. With older spice versions, this is not going
> to work as expected, but will not have any ill effect, so this call is
> not conditional on the SPICE version.
> 
> Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
> ---
>  bsd-user/main.c             |  2 ++
>  include/qemu/error-report.h |  3 ++-
>  linux-user/main.c           |  2 ++
>  qemu-img.c                  |  2 +-
>  qemu-io.c                   |  2 +-
>  qemu-nbd.c                  |  2 +-
>  scsi/qemu-pr-helper.c       |  1 +
>  util/qemu-error.c           | 48 ++++++++++++++++++++++++++++++++++++-
>  vl.c                        |  2 +-
>  9 files changed, 58 insertions(+), 6 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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