From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53150) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ejTrf-000551-D4 for qemu-devel@nongnu.org; Wed, 07 Feb 2018 12:50:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ejTrb-0002k1-RU for qemu-devel@nongnu.org; Wed, 07 Feb 2018 12:50:35 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:33784 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ejTrb-0002jX-ME for qemu-devel@nongnu.org; Wed, 07 Feb 2018 12:50:31 -0500 From: Luiz Capitulino Date: Wed, 7 Feb 2018 12:50:14 -0500 Message-Id: <20180207175014.11157-3-lcapitulino@redhat.com> In-Reply-To: <20180207175014.11157-1-lcapitulino@redhat.com> References: <20180207175014.11157-1-lcapitulino@redhat.com> Subject: [Qemu-devel] [PATCH 2/2] qmp: document query-cpus performance issue List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: armbru@redhat.com, eblake@redhat.com, ehabkost@redhat.com, berrange@redhat.com, mihajlov@linux.vnet.ibm.com Signed-off-by: Luiz Capitulino --- 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 +# # Returns: a list of @CpuInfo for each virtual CPU # # Since: 0.14.0 -- 2.14.3