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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id l19sm2197864edw.58.2021.05.28.09.57.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 May 2021 09:57:43 -0700 (PDT) Subject: Re: [PATCH] Move VMEnter and VMExit tracepoints closer to the actual event To: Dario Faggioli , Sean Christopherson , Stefano De Venuto Cc: linux-kernel@vger.kernel.org, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, x86@kernel.org, hpa@zytor.com, kvm@vger.kernel.org, rostedt@goodmis.org, y.karadz@gmail.com References: <20210519182303.2790-1-stefano.devenuto99@gmail.com> From: Paolo Bonzini Message-ID: Date: Fri, 28 May 2021 18:57:42 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28/05/21 18:55, Dario Faggioli wrote: > So, Paolo, just to be sure, when you said "the tracepoint on SVM could > match the clgi/stgi region", did you mean they should be outside of > this region (i.e., trace_kvm_enter() just before clgi() and > trace_kvm_exit() after stgi())? Or vice versa?:-) Just outside, yes. Paolo