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Re: [PATCH 4/5] tools/xenstored: remove "-N" command line option


  • To: Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Edwin Torok <edvin.torok@xxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Tue, 14 Nov 2023 22:11:04 +0000
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  • Cc: Wei Liu <wl@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
  • Delivery-date: Tue, 14 Nov 2023 22:11:21 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 13/11/2023 12:43 pm, Juergen Gross wrote:
> The "-N" (do not daemonize) command line option is of questionable use:
> its sole purpose seems to be to aid debugging of xenstored by making it
> easier to start xenstored under gdb, or to see any debug messages
> easily.
>
> Debug messages can as well be sent to syslog(), while gdb can be
> attached to the daemon easily. The only not covered case is an error
> while initializing xenstored, but this could be handled e.g. by saving
> a core dump, which can be analyzed later.
>
> The call of talloc_enable_leak_report_full() done only with "-N"
> specified is no longer needed, as the same can be achieved via
> "xenstore-control memreport".
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

CC Edvin.

There's a patch out to specifically use this option (under systemd) to
fix a bug we found.

I can't recall the details, but I seem to recall it wasn't specific to
oxenstored.

~Andrew



 


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