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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 18A9CC34047 for ; Wed, 19 Feb 2020 13:15:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E051921D56 for ; Wed, 19 Feb 2020 13:15:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="XusWHAs9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726891AbgBSNP2 (ORCPT ); Wed, 19 Feb 2020 08:15:28 -0500 Received: from mail-lj1-f196.google.com ([209.85.208.196]:39751 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726558AbgBSNP2 (ORCPT ); Wed, 19 Feb 2020 08:15:28 -0500 Received: by mail-lj1-f196.google.com with SMTP id o15so317940ljg.6 for ; Wed, 19 Feb 2020 05:15:27 -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=jnJYC0dcbC4encScPEskFb3vaFzEZGHtMwSrkgF4W/c=; b=XusWHAs99kv6ATRlBGB4oeVLY9fJcuh8K3fs7KuP/E2ByZgDiTyrQYBLXRUfWqEnB4 Uk6k2yuCmGEAr+iG2wO5XfFyRvZR2cgL33lnAiKqKW1rVZGDekIti+yRjHh3nszpoevv wMGX3SnyIQxl7XLxI7QFlHmh3sLkY6d4heBV0eg0XhgBJtdDxl88O0wu15Ia6UtD0yOp bE3mNZdhNMjIsld6ec9iXVqsgfBIIkpXk2lO6DDKmH2t2/emWQdlOdoFpDbS23rJSgSO Vq1+K1h78T6OjpdrXWrPybA8siUFmsbnhH30rJJKatZYnZq9egdNHdfcV7opQMJohs8W 93bw== 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=jnJYC0dcbC4encScPEskFb3vaFzEZGHtMwSrkgF4W/c=; b=sde1YIHLMyplB5q3zGCCRoHwswqKwK32hM49sKd2o8rkO9MXcfeVVwclLTS4F8Lz4j l3c2KV5boGeQ/SYELJhYNgVknyQ/TZSyWSDZ4/KbgzU+EHHvw3O+5pRPy/wxm+8XFiEm S2LFpl+PrO+ZpzDhGVRgxKOlqj/Tgupaw+1AA5ng7NR7fBbgSGu4ShpxMkHZkRh82W7T T2+oi/fze8ICBgIIi+DapHA8cPS/ULRnYLGvt6J8L9BdNdsKL2uRoUvsvuTqhf4Zpzbf PbprV771nGML5hU2H1I4P3tejPUwiC/ZttebdPpnCqOk3uLQM0Co0MnIJNmyLtFAnAeW gyKA== X-Gm-Message-State: APjAAAUtX0mlE5WGf+9Y4ckAEt2NnX+7owfSjkfjqP06jen7wD2lU3xk nYQLdCGOt/vWSrGCMSceDyWcrZvs X-Google-Smtp-Source: APXvYqwX67ayFFEMfEPN+ic8Z/9LBvoxY7XxLkOIxH/Hsm5/HBCcHni3jFUslGnu5FuMKrAwApERmA== X-Received: by 2002:a2e:8907:: with SMTP id d7mr16386304lji.71.1582118126435; Wed, 19 Feb 2020 05:15:26 -0800 (PST) Received: from localhost.localdomain ([151.251.253.122]) by smtp.gmail.com with ESMTPSA id f11sm1482766lfa.9.2020.02.19.05.15.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Feb 2020 05:15:25 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 0/2] trace-cmd: SQL-like syntax for ftrace histograms configuration Date: Wed, 19 Feb 2020 15:15:21 +0200 Message-Id: <20200219131523.447352-1-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. [ v2 changes: - Removed patches for trace-cmd reset sub command from this patch set, as they are not directly related to the SQL-like syntax implementation. - Fixed the use case with more than one "--sql" argument. Added logic to clean up the parser state before parsing a new string. - Implemented API for freeing all resources, allocated by the parser. - Fixed the use case with ftrace instances. ] Tzvetomir Stoyanov (VMware) (2): trace-cmd: Add new libtracefs API tracefs_instance_file_append() 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 | 1539 ++++++++++++++++++++++++++ tracecmd/sqlparser/sqlhist.h | 34 + tracecmd/sqlparser/sqlhist.l | 59 + tracecmd/sqlparser/sqlhist.y | 175 +++ tracecmd/trace-record.c | 121 +- tracecmd/trace-usage.c | 2 + 14 files changed, 2100 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