Re: [Xen-devel] [RFC PATCH v3 03/18] xen: console: Add ratelimit support for error message

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.06.15 at 15:14, <vijay.kilari@xxxxxxxxx> wrote:
> On Mon, Jun 22, 2015 at 6:51 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 22.06.15 at 14:01, <vijay.kilari@xxxxxxxxx> wrote:
>>> From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx>
>>>
>>> XENLOG_ERR_RATE_LIMIT and XENLOG_G_ERR_RATE_LIMIT
>>> log levels are added to support rate limit for error messages
>>
>> If you mean to say that rate limiting currently doesn't work for
>> XENLOG_ERR messages, then that's a problem to be fixed by
>> adjusting existing code, not by adding yet another log level.
> 
> For GUEST messages  ERR and WARN are rate limited by
> setting lower threshold to 0 and upper threshold to 2 as below
> 
> #define XENLOG_GUEST_UPPER_THRESHOLD 2 /* Do not print INFO and DEBUG  */
> #define XENLOG_GUEST_LOWER_THRESHOLD 0 /* Rate-limit ERR and WARNING   */
> 
> So do you recommend to set same threshold levels to Xen messages
> there by ERR & WARN are rate limited?

I'm not sure I understand what you're asking: I recommend no
change at all, unless you see something broken (in which case
that's what I want clearly described).

Jan


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