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Tue, 08 Sep 2026 22:09:54 -0700 (PDT) Received: from hu-ptalari-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-338f7bad290sm11082833eec.14.2026.09.08.22.09.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 22:09:54 -0700 (PDT) From: Praveen Talari Subject: [PATCH v2 0/3] dmaengine: qcom: gpi: Add trace event support Date: Wed, 09 Sep 2026 10:39:40 +0530 Message-Id: <20260909-add-trace-support-gpio-v2-0-01f81739bb88@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIABTqoGoC/4WNWw6CMBBFt0L67ZBSUMQv92H46GOAGqW1U4iGs HcLLsDc5CYnuY+FEQaLxC7ZwgLOlqwbE4hDxvQgxx7BmsRMcHHi57IAaQzEIDUCTd67EKH31kH ToDpWphK1aFgq+4Cdfe/Dt/bHNKk76ritbYnBUnThsz/PxZb7ezIXwKFWvDM8yajy6ojy1yQf2 j2feTLWruv6BS3nAKzVAAAA X-Change-ID: 20260831-add-trace-support-gpio-99eb54d42729 To: konrad.dybcio@oss.qualcomm.com, Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Vinod Koul , Frank Li Cc: chandana.chiluveru@oss.qualcomm.com, mukesh.savaliya@oss.qualcomm.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, Praveen Talari X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; 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Patch 1 adds the qcom_gpi trace events header, covering command dispatch, IRQ handling, channel/event control state transitions, completion event processing, ring allocation, and TRE contents. Patch 2 wires these tracepoints into the driver alongside the existing dev_dbg() calls. Patch 3 converts the remaining dev_dbg() call sites in the driver to use the new tracepoints instead. Signed-off-by: Praveen Talari --- Changes in v2: - Reorder TP_STRUCT__entry() fields in gpi_ev_process, gpi_alloc_ring, and gpi_ring_info to avoid holes: 8/16-bit fields moved to the end, and 64-bit/size_t fields moved before the __string() field (treating __string() as 4 bytes of metadata). (Steven Rostedt) - Link to v1: https://patch.msgid.link/20260831-add-trace-support-gpio-v1-0-7b0fd0d0ddb3@oss.qualcomm.com --- Praveen Talari (3): dmaengine: qcom: gpi: trace: Add trace events header for Qualcomm GPI DMA dmaengine: qcom: gpi: Add trace event support dmaengine: qcom: gpi: Convert dev_dbg() calls to tracepoints drivers/dma/qcom/gpi.c | 69 ++++----- include/trace/events/qcom_gpi.h | 313 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 340 insertions(+), 42 deletions(-) --- base-commit: e30626823a406725ce29bc75cb8ec467d3e1e326 change-id: 20260831-add-trace-support-gpio-99eb54d42729 Best regards, -- Praveen Talari