From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.3 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E2DD31F453 for ; Wed, 6 Feb 2019 17:16:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731578AbfBFRQE (ORCPT ); Wed, 6 Feb 2019 12:16:04 -0500 Received: from mail-ed1-f48.google.com ([209.85.208.48]:43702 "EHLO mail-ed1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731567AbfBFRQD (ORCPT ); Wed, 6 Feb 2019 12:16:03 -0500 Received: by mail-ed1-f48.google.com with SMTP id f9so6513684eds.10 for ; Wed, 06 Feb 2019 09:16:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:message-id:in-reply-to:references:from:subject:fcc :content-transfer-encoding:mime-version:to:cc; bh=tvKTJiXAJRbFolLQ69BmhTNP+L5fZ0jkQWuYo1oYtd0=; b=t2msDAZhPXjgNlau8s3EaKXK4wg38FFUiTMG2B+02DzvwznDaeRB1+zAUSuPqN3jTt tLSXlVoCGoQGiaohdWS+3hzsaB7B5HpO1cBpSk0UZkVJ3jqePXr+wKSGi7VZjXWynmPP ZaN7J4zaeyGAo82QzA3/p0usasvfxbSBoaL80pp0ZRuXRvggDIqesfhgNOkHQptmxtxG YYKwDti2Hzf2fbaRPlpJfHiBPZd7YlbrQ0KS7/bZcjGC1TPqqLcks1Jh+cd0lZztN1N2 Oj01Ix3zAOp6C0geCnMPYkt1adSpR7IxsU25yjyKzc7TjhK9a3H1XmFHmYkWVRe4g39Z r9Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:in-reply-to:references:from :subject:fcc:content-transfer-encoding:mime-version:to:cc; bh=tvKTJiXAJRbFolLQ69BmhTNP+L5fZ0jkQWuYo1oYtd0=; b=ffXbQ53h7358DsrQrCcT968f8y2UaSR4Oag3L/xJyXxiWvnPt5V/C5PIr37aJtbJ+g cK3ZeSBUq+sC9xytm7lvJmM1zM6oMgn5HO5cDR75NDe+qbUSIoI6UUvzuvHrGqMjBFBd vBZCyzQ5WDJcOanH500hzvachRtdBjVT/ygHnqjxy2XkK/o9Q6D5DfhYnzqnTzpSIJ+t 6uf1zETlkTrwAl2ULp3nkNwM/BHnynymoqlFh5OhSxv/xYZ8HSKDbLpOVUChuTfg+5Ne iA4C5udj3QcALb3jhdNnKLhQ9gHnX1CZKTGnnTdJaVQ0zn6mwHSIZ4wMTd65HPCHPdq/ YAiA== X-Gm-Message-State: AHQUAuZVdpS36fiJBbtBVl7sm90L0xCKhu1UAcj9Yf6+RXVfLKhWHOnh e4du41yRl8XuPl4fGFXWDcVKAisf X-Google-Smtp-Source: AHgI3IbvqhN/pRej+c5lNPeLxuCZDQMwFht/Ev2om2Lkz9hzEG0NsYz2B/sX6RlTwxv8s9S0ABP3bg== X-Received: by 2002:a05:6402:1286:: with SMTP id w6mr9302435edv.53.1549473361159; Wed, 06 Feb 2019 09:16:01 -0800 (PST) Received: from [127.0.0.1] ([13.74.141.28]) by smtp.gmail.com with ESMTPSA id w56sm6135993edb.72.2019.02.06.09.16.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Feb 2019 09:16:00 -0800 (PST) Date: Wed, 06 Feb 2019 09:16:00 -0800 (PST) X-Google-Original-Date: Wed, 06 Feb 2019 17:15:44 GMT Message-Id: In-Reply-To: References: From: "Jeff Hostetler via GitGitGadget" Subject: [PATCH v6 09/15] trace2:data: add trace2 instrumentation to index read/write Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 To: git@vger.kernel.org Cc: jeffhost@microsoft.com, Junio C Hamano , Jeff Hostetler Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Jeff Hostetler Add trace2 events to measure reading and writing the index. Signed-off-by: Jeff Hostetler --- read-cache.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 50 insertions(+), 1 deletion(-) diff --git a/read-cache.c b/read-cache.c index bfff271a3d..240531d70d 100644 --- a/read-cache.c +++ b/read-cache.c @@ -2232,6 +2232,16 @@ int do_read_index(struct index_state *istate, const char *path, int must_exist) load_index_extensions(&p); } munmap((void *)mmap, mmap_size); + + /* + * TODO trace2: replace "the_repository" with the actual repo instance + * that is associated with the given "istate". + */ + trace2_data_intmax("index", the_repository, "read/version", + istate->version); + trace2_data_intmax("index", the_repository, "read/cache_nr", + istate->cache_nr); + return istate->cache_nr; unmap: @@ -2263,9 +2273,17 @@ int read_index_from(struct index_state *istate, const char *path, if (istate->initialized) return istate->cache_nr; + /* + * TODO trace2: replace "the_repository" with the actual repo instance + * that is associated with the given "istate". + */ + trace2_region_enter_printf("index", "do_read_index", the_repository, + "%s", path); trace_performance_enter(); ret = do_read_index(istate, path, 0); trace_performance_leave("read cache %s", path); + trace2_region_leave_printf("index", "do_read_index", the_repository, + "%s", path); split_index = istate->split_index; if (!split_index || is_null_oid(&split_index->base_oid)) { @@ -2281,7 +2299,11 @@ int read_index_from(struct index_state *istate, const char *path, base_oid_hex = oid_to_hex(&split_index->base_oid); base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_oid_hex); + trace2_region_enter_printf("index", "shared/do_read_index", + the_repository, "%s", base_path); ret = do_read_index(split_index->base, base_path, 1); + trace2_region_leave_printf("index", "shared/do_read_index", + the_repository, "%s", base_path); if (!oideq(&split_index->base_oid, &split_index->base->oid)) die(_("broken index, expect %s in %s, got %s"), base_oid_hex, base_path, @@ -2988,6 +3010,16 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile, istate->timestamp.sec = (unsigned int)st.st_mtime; istate->timestamp.nsec = ST_MTIME_NSEC(st); trace_performance_since(start, "write index, changed mask = %x", istate->cache_changed); + + /* + * TODO trace2: replace "the_repository" with the actual repo instance + * that is associated with the given "istate". + */ + trace2_data_intmax("index", the_repository, "write/version", + istate->version); + trace2_data_intmax("index", the_repository, "write/cache_nr", + istate->cache_nr); + return 0; } @@ -3007,7 +3039,18 @@ static int commit_locked_index(struct lock_file *lk) static int do_write_locked_index(struct index_state *istate, struct lock_file *lock, unsigned flags) { - int ret = do_write_index(istate, lock->tempfile, 0); + int ret; + + /* + * TODO trace2: replace "the_repository" with the actual repo instance + * that is associated with the given "istate". + */ + trace2_region_enter_printf("index", "do_write_index", the_repository, + "%s", lock->tempfile->filename.buf); + ret = do_write_index(istate, lock->tempfile, 0); + trace2_region_leave_printf("index", "do_write_index", the_repository, + "%s", lock->tempfile->filename.buf); + if (ret) return ret; if (flags & COMMIT_LOCK) @@ -3092,7 +3135,13 @@ static int write_shared_index(struct index_state *istate, int ret; move_cache_to_base_index(istate); + + trace2_region_enter_printf("index", "shared/do_write_index", + the_repository, "%s", (*temp)->filename.buf); ret = do_write_index(si->base, *temp, 1); + trace2_region_enter_printf("index", "shared/do_write_index", + the_repository, "%s", (*temp)->filename.buf); + if (ret) return ret; ret = adjust_shared_perm(get_tempfile_path(*temp)); -- gitgitgadget