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Mon, 12 May 2025 05:57:55 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 957FA200A5; Mon, 12 May 2025 05:57:55 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B18EE200A4; Mon, 12 May 2025 05:57:52 +0000 (GMT) Received: from li-c6426e4c-27cf-11b2-a85c-95d65bc0de0e.ibm.com.com (unknown [9.39.26.83]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 12 May 2025 05:57:52 +0000 (GMT) From: Gautam Menghani To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com Cc: Gautam Menghani , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, maddy@linux.ibm.com Subject: [PATCH v2 0/4] perf python: Add missing infra pieces for counting perf events Date: Mon, 12 May 2025 11:27:41 +0530 Message-ID: <20250512055748.479786-1-gautam@linux.ibm.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Jxa1AhOCagYGbrbAMICS-gKofuBURjnr X-Authority-Analysis: v=2.4 cv=TbmWtQQh c=1 sm=1 tr=0 ts=68218de8 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=dt9VzEwgFbYA:10 a=8WUrXVI0zEtRuHCVLLgA:9 X-Proofpoint-GUID: gCg9-ozpaZQw90rDlrmuqWzd46ctKWHy X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTEyMDA1OCBTYWx0ZWRfX+QIkLvgvbgWM 2f2/arBRcEBHyg7d8h5jcKFQnHkWM4UOCgnrTCNInRX1GLZxY7TMu2DDTmW5BNpNPp+mtmzQNPt DT4j727hLunO72WhHlb6mP5VIcmSY5LAswORD/pgu4IwaGkkJTfpxtp3sEZz/RhGEfVfVkAtygp C+XszRiCO+KYfv8zUccz7k3Q0KsqfeB9fxIp5v70MiaEOyGQUz0AUNSOiaKDElojclRtFiggIbB qMzi8DszAHUgdo2E774+swF6XyqTPqo/m5zz95WB+QIirw2A2MXxjzCfFM4bdtqBwPrztqpkyo9 4Ps7U/vO8UgJQpHkD6UKoU/S/mtVr7w10Ewt9xSZrPscEA7/9wYaSCI5Gjsx6nGpWGY+cQ9ApdI HYOtYo6Ytu7MxkuyXdy7jlKxmT2NCIb91bXA6trvN7ej+knKdr1GMxHqVkI0j38oGZ5TKwpQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-12_02,2025-05-09_01,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 adultscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2505120058 Add the missing infra code in the perf python bindings for measuring and reading the counter values for the given perf event. Demonstrate the usage of this with counting.py - a python version of counting.c v1 -> v2: 1. Use the existing iteration support for evlist 2. Drop the use of next method 3. Use existing helper functions for python example Gautam Menghani (4): perf python: Add support for perf_counts_values to return counter data perf python: Add evsel read method perf python: Add evlist close support perf python: Add counting.py as example for counting perf events tools/perf/python/counting.py | 33 +++++++++ tools/perf/util/python.c | 131 +++++++++++++++++++++++++++++++++- 2 files changed, 163 insertions(+), 1 deletion(-) create mode 100755 tools/perf/python/counting.py -- 2.49.0