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Mon, 06 Jul 2026 02:48:41 -0700 (PDT) X-Received: by 2002:a05:622a:40b:b0:51c:d8f:d77a with SMTP id d75a77b69052e-51c4bda726cmr88366481cf.1.1783331320756; Mon, 06 Jul 2026 02:48:40 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c12b62907ffsm715403566b.40.2026.07.06.02.48.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 02:48:39 -0700 (PDT) Message-ID: <6b8ad516-c368-413d-94fc-d70844a2af07@oss.qualcomm.com> Date: Mon, 6 Jul 2026 11:48:37 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] soc: qcom: stats: Add stats compatible and config for Shikra To: Sneh Mankad , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maulik Shah Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260703-shikra_stats-v1-0-0aa0ec1fa83e@oss.qualcomm.com> <20260703-shikra_stats-v1-2-0aa0ec1fa83e@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260703-shikra_stats-v1-2-0aa0ec1fa83e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: pQ6NiXYCBjq-3-WMGOMjg02EOZyCYKAo X-Authority-Analysis: v=2.4 cv=Hv1G3UTS c=1 sm=1 tr=0 ts=6a4b79fa cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=9HhW6uXCempL9KpAJskA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDA5OSBTYWx0ZWRfX5jf6vvCTkC1V PPf4r91wqdq4Reju2jA+XRY1ZBr5yDqeaIRD+lAYnVrMcQSnd+BovpYoekpe4vJWgbRLCHElzHs 1YjeoHpvNj3TMvdlvGTlqn0Ucqmu9HM= X-Proofpoint-GUID: pQ6NiXYCBjq-3-WMGOMjg02EOZyCYKAo X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDA5OSBTYWx0ZWRfX7vLbEl+KFwkn uToNZL2wC9wk4Gyr8pvJipTgNiO3pfruPWvD4GLh/maPIPhW/lZV+MlZH4cBVtreNNFgpgEZLFy a7N1hZXCXJgqHL+Jn4k+RiGg8yvrzgwtbsxCXqh8qlUsKvCzfxF1oo2OOuXeXuzmp8kCJ40VLDZ K7oi5eKHfYgzu3c+j0gVZHuqpI77O4IYn/jzkDOZ2WB2Bn0uKjkNn+mwhzsg9CF65c2ICZU01P9 5Eb4LIWqX4f6LGtt/ZXJAcDd/eOPKlmQ/xDcMf/ssuqXr37baLjb4bfSDdWppiQuNH+KcuovY0B T+0nnNd1SW7If9zlYgCP6JR85lCkbaC3g+cQVDqiMJnnMFMRzyT3KYQ3gqacH/Q0H2KpvBG7nhd 8Y/AKN0mI7uuebQuz3wLcczqcabAATmdu3OZtZHHOSDOyOS3pl3qh0KUm9p+LD+wqwv9Kh6AoJ7 UnPtYTcxURztD52v5UQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-06_01,2026-07-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 malwarescore=0 adultscore=0 priorityscore=1501 spamscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060099 On 7/3/26 1:13 PM, Sneh Mankad wrote: > SoC sleep stats are present in RPM message RAM and subsystem sleep > stats are present in SMEM for Shikra. > > For earlier targets using RPM processor like msm8974, rpm_master_stat.c > was used for subsystem sleep stats since those stats were populated in > RPM MSGRAM. > > Here is a brief summary of previous targets and their stats > configuration, along with the drivers used to display them. > > +---------------|----------------------------|---------------------------+ > | SoC | subsystem sleep stats | SoC sleep stats | > |---------------|----------------------------|---------------------------| > | msm8974, | RPM processor MSGRAM | RPM processor MSGRAM | > | msm8226 | (rpm_master_stat.c) | (qcom_stats.c) | > |---------------|----------------------------|---------------------------| > | sm6350, | SMEM (DDR) | AOP processor MSGRAM | > | sdm845, etc. | (qcom_stats.c) | (qcom_stats.c) | > |---------------|----------------------------|---------------------------| > | Shikra | SMEM (DDR) | RPM processor MSGRAM | > | | (qcom_stats.c) | (qcom_stats.c) | > +---------------|----------------------------|---------------------------+ > > qcom_stats.c supports both the configurations for shikra, reading > subsystem sleep stats from SMEM and reading SoC sleep stats from RPM > MSGRAM. > > A generic "qcom,rpm-stats" compatible only reads SoC sleep stats like vmin > and vlow. Add shikra rpm compatible and config to read subsystem sleep > stats too along with SoC sleep stats. > > Below is an example showing sleep stats for "apss" subsystem with this > change: > > cat /sys/kernel/debug/qcom_stats/apss > Count: 2192 > Last Entered At: 5498618336 > Last Exited At: 5498708046 > Accumulated Duration: 2046572620. > > Signed-off-by: Sneh Mankad > --- Reviewed-by: Konrad Dybcio Konrad