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From: | Eric Blake |
Subject: | Re: [Qemu-devel] [PATCH 2/2] qmp: document query-cpus performance issue |
Date: | Wed, 7 Feb 2018 12:50:59 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 02/07/2018 11:50 AM, Luiz Capitulino wrote:
Signed-off-by: Luiz Capitulino <address@hidden> --- qapi-schema.json | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/qapi-schema.json b/qapi-schema.json index 82d6f12b53..0665a14dba 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -526,6 +526,10 @@ # # Returns a list of information about each virtual CPU. # +# WARNING: This command incurs a performance penalty for latency +# sensitive workloads and hence it's not recommended to +# to be used in production. Use query-cpus-fast instead +#
Ah, I asked for this on 1/2. You could squash these.I didn't review the code, just the interface, so if you squash them, you can add the weaker:
Acked-by: Eric Blake <address@hidden> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
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