From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
To: Wei Liu <wei.liu2@citrix.com>,
Xen-devel <xen-devel@lists.xenproject.org>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>, Jan Beulich <jbeulich@suse.com>
Subject: Re: [PATCH v2 2/5] xen/console: allow log level threshold adjustments
Date: Tue, 5 Jul 2016 13:52:53 -0400 [thread overview]
Message-ID: <b7bb1762-eb59-be1d-d4dd-2c12a6c44fb9@tycho.nsa.gov> (raw)
In-Reply-To: <1467645206-28142-3-git-send-email-wei.liu2@citrix.com>
On 07/04/2016 11:13 AM, Wei Liu wrote:
> ... from serial console and via sysctl so that one doesn't always need
> to reboot to see more / less messages.
>
> Note that upper thresholds driven from the serial console are sticky,
> i.e. while they get adjusted upwards when the lower threshold would
> otherwise end up above the upper one, they don't get adjusted when
> reducing the lower one. Full flexibility is available only via the
> sysctl interface.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
> Rework the sysctl interface to pass in / out strings directly. Provide
> some helper functions to transform from log level numbers to strings and
> vice verse. Lower and upper bounds are checked. Add XSM hook.
>
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
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next prev parent reply other threads:[~2016-07-05 17:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-04 15:13 [PATCH v2 0/5] Allow runtime adjustment to log level thresholds Wei Liu
2016-07-04 15:13 ` [PATCH v2 1/5] xen/console: consolidate log levels to an array Wei Liu
2016-07-04 15:28 ` Wei Liu
2016-07-07 10:39 ` Jan Beulich
2016-07-04 15:13 ` [PATCH v2 2/5] xen/console: allow log level threshold adjustments Wei Liu
2016-07-05 17:52 ` Daniel De Graaf [this message]
2016-07-06 11:14 ` Ian Jackson
2016-07-07 11:51 ` Jan Beulich
2016-07-04 15:13 ` [PATCH v2 3/5] libxc: wrapper for log level sysctl Wei Liu
2016-07-06 11:11 ` Ian Jackson
2016-07-04 15:13 ` [PATCH v2 4/5] libxl: introduce APIs to get and set log level Wei Liu
2016-07-06 11:15 ` Ian Jackson
2016-07-04 15:13 ` [PATCH v2 5/5] xl: new loglvl command Wei Liu
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