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Mon, 04 Mar 2024 07:40:10 -0800 (PST) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id j42-20020a05600c1c2a00b00412db03f182sm7112892wms.11.2024.03.04.07.40.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Mar 2024 07:40:09 -0800 (PST) Message-ID: From: "Jeff Hostetler via GitGitGadget" Date: Mon, 04 Mar 2024 15:40:04 +0000 Subject: [PATCH 0/4] trace2: move 'def_param' events into 'cmd_name' and 'cmd_alias' Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 To: git@vger.kernel.org Cc: Jeff Hostetler Some Git commands do not emit def_param events for interesting config and environment variable settings. Let's fix that. Builtin commands compiled into git.c have the normal control flow and emit a cmd_name event and then def_param events for each interesting config and environment variable. However, some special "query" commands, like --exec-path, or some forms of alias expansion, emitted a cmd_name but did not emit def_param events. Also, special commands git-remote-https is built from remote-curl.c and git-http-fetch is built from http-fetch.c and do not use the normal set up in git.c. These emitted a cmd_name but not def_param events. To minimize the footprint of this commit, move the calls to trace2_cmd_list_config() and trace2_cmd_list_env_vars() into trace2_cmd_name() and trace2_cmd_alias() so that we always get a set def_param events when a cmd_name or cmd_alias event is generated. Users can define local config settings on a repo to classify/name a repo (e.g. "project-foo" vs "personal") and use the def_param feature to label Trace2 data so that (a third-party) telemetry service does not collect data on personal repos or so that telemetry from one work repo is distinguishable from another work repo. Jeff Hostetler (4): t0211: demonstrate missing 'def_param' events for certain commands trace2: avoid emitting 'def_param' set more than once trace2: emit 'def_param' set with 'cmd_name' event trace2: remove unneeded calls to generate 'def_param' set git.c | 6 -- t/t0211-trace2-perf.sh | 231 +++++++++++++++++++++++++++++++++++++++++ trace2.c | 15 +++ 3 files changed, 246 insertions(+), 6 deletions(-) base-commit: 0f9d4d28b7e6021b7e6db192b7bf47bd3a0d0d1d Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1679%2Fjeffhostetler%2Falways-emit-def-param-v1 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1679/jeffhostetler/always-emit-def-param-v1 Pull-Request: https://github.com/gitgitgadget/git/pull/1679 -- gitgitgadget