From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A46EC34022 for ; Mon, 17 Feb 2020 17:40:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1F8CB20725 for ; Mon, 17 Feb 2020 17:40:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hUrE9RhR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729076AbgBQRkF (ORCPT ); Mon, 17 Feb 2020 12:40:05 -0500 Received: from mail-lj1-f178.google.com ([209.85.208.178]:34751 "EHLO mail-lj1-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726818AbgBQRkF (ORCPT ); Mon, 17 Feb 2020 12:40:05 -0500 Received: by mail-lj1-f178.google.com with SMTP id x7so19794929ljc.1 for ; Mon, 17 Feb 2020 09:40:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MgLAXY6GF/h5YkEnw5R0kEUl3Zrjl7bF2LE2CqHhyFw=; b=hUrE9RhRl9MwV+qfLQVfoMRP26J2v/39U1ao9d5B9IgaSyT/ZYydWiHTtpFgfbjEE3 HLGEBZV9drsRSsFxNr60ClnANgokQ1o5koFDAN+hoN8XA4gBEH7XjXWgQMTByloiNlFu XYipFmUSddTEyX9bVtfE1lSyePrrpVJRZJRbqPXvPENc1OVl6snMg0WxMeunv74BjbuY /VHD8LNu9yspk6SVUYiEgWgC3/ZWcyGSpeD2i/828OkGltK1BCxQGnA3Z4ibNICeKYc7 njqnTB3/wOHT9Ac5ke2rZ5T9YGTk1qQMEU/MY/oAe17R7PFTwcQRxaVKWRJhj2XnnDkC y+OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MgLAXY6GF/h5YkEnw5R0kEUl3Zrjl7bF2LE2CqHhyFw=; b=XaKZgDWcASSiIwtRGqPvp3M7I3qOTcMVpIsvHmfV04xEprm0PpXrm1ZO+oeMIEEOe+ cnb4mhPY+sJh7S7Ygp47blZP21qg/uXChSLs9c/vQnqQfeBI0Z2O+54SYdc+n9AmcNW3 HXSSihDiuO26kDhfZCQQIRpo9yVq5vl5sE38e78F8sdMWcI1GqYBCcIrowspHcxQWFen rlo5V1le5ibpJiCPcEa/HHiay9kFqAuPuZHS1WzZXJKcx5BR0YDqOpgeqrw9PLwqUaUJ 3hXehINP+X8jt9qUDzVSmqFxNArQEbgWFczJnwiEqzhRjdQdp8qCfZ0t/2+TBkg7rUz/ T8sw== X-Gm-Message-State: APjAAAWq/JbfLinBLuhY2zJ8rvhEdGjTsdMho+h+wdeIYN9mWMybumPY xaQn6JEYXFmTRye/fAgZUgx+kTMyWNk= X-Google-Smtp-Source: APXvYqwAkZECx4Yt4ujgr/KVv4f7tZP+3tBa+ALwFxeytAVvWaLh0YktwTg1S4gpex5XTVTHDJ2PHQ== X-Received: by 2002:a2e:6817:: with SMTP id c23mr10237512lja.263.1581961203709; Mon, 17 Feb 2020 09:40:03 -0800 (PST) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id e8sm933508ljb.45.2020.02.17.09.40.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2020 09:40:02 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH 0/4] trace-cmd: SQL-like syntax for ftrace histograms configuration Date: Mon, 17 Feb 2020 19:39:55 +0200 Message-Id: <20200217173959.385278-1-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Configuration of complex ftrace histograms could be hard, using the existing ftrace interface. The "--sql" option is implemented to simplify this task. It uses a sql-like syntax to define the histograms and generates necessary ftrace syntetic events and triggers. Each ftrace event represents a sql tible, while the fields of this event are rows in the table. The patch set is based on Steven Rostedt's PoC implementation: https://github.com/rostedt/sqlhist Tzvetomir Stoyanov (VMware) (4): trace-cmd: Add new libtracefs API tracefs_instance_file_append() trace-cmd: Clear synthetic events on reset subcommand trace-cmd: Clear error log on reset subcommand trace-cmd: Add "--sql" option to trace-cmd start and record sub commands Documentation/trace-cmd-record.1.txt | 37 + Makefile | 1 + include/tracefs/tracefs.h | 2 + lib/tracefs/tracefs-instance.c | 40 +- tracecmd/Makefile | 12 +- tracecmd/include/trace-local.h | 4 + tracecmd/sqlparser/Makefile | 52 + tracecmd/sqlparser/sqlhist-api.h | 29 + tracecmd/sqlparser/sqlhist-parse.c | 1454 ++++++++++++++++++++++++++ tracecmd/sqlparser/sqlhist.h | 34 + tracecmd/sqlparser/sqlhist.l | 59 ++ tracecmd/sqlparser/sqlhist.y | 175 ++++ tracecmd/trace-record.c | 172 ++- tracecmd/trace-usage.c | 2 + 14 files changed, 2066 insertions(+), 7 deletions(-) create mode 100644 tracecmd/sqlparser/Makefile create mode 100644 tracecmd/sqlparser/sqlhist-api.h create mode 100644 tracecmd/sqlparser/sqlhist-parse.c create mode 100644 tracecmd/sqlparser/sqlhist.h create mode 100644 tracecmd/sqlparser/sqlhist.l create mode 100644 tracecmd/sqlparser/sqlhist.y -- 2.24.1