From patchwork Sat Feb 4 10:08:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 13128639 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2CB1C61DA4 for ; Sat, 4 Feb 2023 10:09:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233524AbjBDKJh (ORCPT ); Sat, 4 Feb 2023 05:09:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233443AbjBDKJZ (ORCPT ); Sat, 4 Feb 2023 05:09:25 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E779868129 for ; Sat, 4 Feb 2023 02:09:23 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8497F60BE9 for ; Sat, 4 Feb 2023 10:09:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D80F9C4339E; Sat, 4 Feb 2023 10:09:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675505363; bh=85Vnu7UwR1L3zQW0ljlo9HMrVTCxf7LSxpP5p8lB8Lw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M1KEaPaSxfhVQ39DJT6EonWLYrf+sncpYjM9/Tfmb9XbBfWZoDVtjXxqOmETXlZhf hHmG6kQkvXow5IFYLbKdhUujRXwrlKEY5zU66dhl3Lg/prWuKtU+KF1FDDZdHoipxO g/05RobkXpS/Ixm9YbsaggdOUm5zgixcX1y5bFax/89VrhqYBnxc7UFOYGVghHZSFR cuZTmhZX8UelijA21FxFyvOR8kQ6J7Qv6YoahF2+0OVcc1wfPKzrZ03Jue/AO29arD CWyQcZbbaFx+drN+wucfaCTAY/Nuu3Crxgdka12I+/wUfnAjTU+jVePRpF3WC+EsTv H0zbLOTWwfhdQ== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet Cc: Saeed Mahameed , netdev@vger.kernel.org, Tariq Toukan , Rahul Rameshbabu , Gal Pressman Subject: [net-next 08/15] net/mlx5: Document previously implemented mlx5 tracepoints Date: Sat, 4 Feb 2023 02:08:47 -0800 Message-Id: <20230204100854.388126-9-saeed@kernel.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230204100854.388126-1-saeed@kernel.org> References: <20230204100854.388126-1-saeed@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Rahul Rameshbabu Tracepoints were previously implemented but not documented till this patch series. Signed-off-by: Rahul Rameshbabu Reviewed-by: Gal Pressman Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- .../ethernet/mellanox/mlx5/tracepoints.rst | 27 ++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst index 04f59189e75a..a9d3e123adc4 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/tracepoints.rst @@ -165,6 +165,20 @@ SF tracepoints: ... devlink-9830 [038] ..... 26300.404749: mlx5_sf_free: (0000:06:00.0) port_index=32768 controller=0 hw_id=0x8000 +- mlx5_sf_activate: trace activation of the SF port:: + + $ echo mlx5:mlx5_sf_activate >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + devlink-29841 [008] ..... 3669.635095: mlx5_sf_activate: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000 + +- mlx5_sf_deactivate: trace deactivation of the SF port:: + + $ echo mlx5:mlx5_sf_deactivate >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + devlink-29994 [008] ..... 4015.969467: mlx5_sf_deactivate: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000 + - mlx5_sf_hwc_alloc: trace allocating of the hardware SF context:: $ echo mlx5:mlx5_sf_hwc_alloc >> /sys/kernel/debug/tracing/set_event @@ -179,13 +193,20 @@ SF tracepoints: ... kworker/u128:3-9093 [046] ..... 24625.365771: mlx5_sf_hwc_free: (0000:06:00.0) hw_id=0x8000 -- mlx5_sf_hwc_deferred_free : trace deferred freeing of the hardware SF context:: +- mlx5_sf_hwc_deferred_free: trace deferred freeing of the hardware SF context:: $ echo mlx5:mlx5_sf_hwc_deferred_free >> /sys/kernel/debug/tracing/set_event $ cat /sys/kernel/debug/tracing/trace ... devlink-9519 [046] ..... 24624.400271: mlx5_sf_hwc_deferred_free: (0000:06:00.0) hw_id=0x8000 +- mlx5_sf_update_state: trace state updates for SF contexts:: + + $ echo mlx5:mlx5_sf_update_state >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/trace + ... + kworker/u20:3-29490 [009] ..... 4141.453530: mlx5_sf_update_state: (0000:08:00.0) port_index=32768 controller=0 hw_id=0x8000 state=2 + - mlx5_sf_vhca_event: trace SF vhca event and state:: $ echo mlx5:mlx5_sf_vhca_event >> /sys/kernel/debug/tracing/set_event @@ -193,14 +214,14 @@ SF tracepoints: ... kworker/u128:3-9093 [046] ..... 24625.365525: mlx5_sf_vhca_event: (0000:06:00.0) hw_id=0x8000 sfnum=88 vhca_state=1 -- mlx5_sf_dev_add : trace SF device add event:: +- mlx5_sf_dev_add: trace SF device add event:: $ echo mlx5:mlx5_sf_dev_add>> /sys/kernel/debug/tracing/set_event $ cat /sys/kernel/debug/tracing/trace ... kworker/u128:3-9093 [000] ..... 24616.524495: mlx5_sf_dev_add: (0000:06:00.0) sfdev=00000000fc5d96fd aux_id=4 hw_id=0x8000 sfnum=88 -- mlx5_sf_dev_del : trace SF device delete event:: +- mlx5_sf_dev_del: trace SF device delete event:: $ echo mlx5:mlx5_sf_dev_del >> /sys/kernel/debug/tracing/set_event $ cat /sys/kernel/debug/tracing/trace