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[73.223.190.181]) by smtp.gmail.com with ESMTPSA id jj9-20020a170903048900b0017ec1b1bf9fsm5899320plb.217.2022.10.05.01.32.36 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Oct 2022 01:32:37 -0700 (PDT) From: Joe Damato To: intel-wired-lan@lists.osuosl.org Date: Wed, 5 Oct 2022 01:31:40 -0700 Message-Id: <1664958703-4224-1-git-send-email-jdamato@fastly.com> X-Mailer: git-send-email 2.7.4 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastly.com; s=google; h=message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=/eytcqcN9ObTjJXf5sWWbGpgnvUxzBhOmrxffhLDb8A=; b=DG/kNFiVNEycPiKk3NuoWSHbut8wRcXmM6VuM1dkdcRMtRI9QpID7D9jy4bDNzUzfG Vxslk5P760O46JDAZgMwuSFsiBOo374uPHpgDE1/tmF7uj9Z+B5DM8ZWNhWKAEiqZgV8 H36oluwI4ExV6UtwooRJOyEGpNlO7qsJjMw5o= X-Mailman-Original-Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key) header.d=fastly.com header.i=@fastly.com header.a=rsa-sha256 header.s=google header.b=DG/kNFiV Subject: [Intel-wired-lan] [next-queue 0/3] i40e: Add an i40e_napi_poll tracepoint X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, Joe Damato , kuba@kernel.org, davem@davemloft.net MIME-Version: 1.0 Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" Greetings: Debugging and tuning the NAPI and i40e NIC parameters can be a bit tricky as there are many different options to test. This change adds a tracepoint to i40e_napi_poll which exposes a lot of helpful debug information for users who'd like to get a better understanding of how their NIC is performing as they adjust various parameters and tuning knobs. Some tweaks to i40e to support this information are made along the way; including a tweak to i40e_clean_tx_irq (and i40e_clean_xdp_tx_irq, etc) which returns the actual number of packets processed. Thanks, Joe Joe Damato (3): i40e: Store the irq number in i40e_q_vector i40e: i40e_clean_tx_irq returns work done i40e: Add i40e_napi_poll tracepoint drivers/net/ethernet/intel/i40e/i40e.h | 1 + drivers/net/ethernet/intel/i40e/i40e_main.c | 1 + drivers/net/ethernet/intel/i40e/i40e_trace.h | 50 ++++++++++++++++++++++++++++ drivers/net/ethernet/intel/i40e/i40e_txrx.c | 27 +++++++++------ drivers/net/ethernet/intel/i40e/i40e_xsk.c | 12 +++---- drivers/net/ethernet/intel/i40e/i40e_xsk.h | 2 +- 6 files changed, 75 insertions(+), 18 deletions(-)