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[2001:1ae9:1c2:4c00:20f:c6b4:1e57:7965]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a90612b3a0fsm308834866b.117.2024.09.16.05.38.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Sep 2024 05:38:05 -0700 (PDT) Date: Mon, 16 Sep 2024 14:38:04 +0200 From: Andrew Jones To: zhouquan@iscas.ac.cn Cc: anup@brainfault.org, atishp@atishpatra.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-perf-users@vger.kernel.org Subject: Re: [PATCH v3 1/2] riscv: perf: add guest vs host distinction Message-ID: <20240916-6f21ff3d12224f366ccaac6e@orel> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Sep 12, 2024 at 04:00:29PM GMT, zhouquan@iscas.ac.cn wrote: > From: Quan Zhou > > Introduce basic guest support in perf, enabling it to distinguish > between PMU interrupts in the host or guest, and collect > fundamental information. > > Signed-off-by: Quan Zhou > --- > arch/riscv/include/asm/perf_event.h | 7 ++++++ > arch/riscv/kernel/perf_callchain.c | 38 +++++++++++++++++++++++++++++ > 2 files changed, 45 insertions(+) > Reviewed-by: Andrew Jones