From patchwork Thu Nov 11 15:08:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 12615031 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8FF3C433EF for ; Thu, 11 Nov 2021 15:08:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A497C61252 for ; Thu, 11 Nov 2021 15:08:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233833AbhKKPLd (ORCPT ); Thu, 11 Nov 2021 10:11:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233810AbhKKPLc (ORCPT ); Thu, 11 Nov 2021 10:11:32 -0500 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F305C061766 for ; Thu, 11 Nov 2021 07:08:43 -0800 (PST) Received: by mail-ed1-x534.google.com with SMTP id v11so25437500edc.9 for ; Thu, 11 Nov 2021 07:08:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QXQ5Y7LspDwj7wkzhT67NpKvi1WnCdTUt6QhhLF6Hk4=; b=gJ6BVEOea4AltqHJJuu0zGE7ZXFwOA21lmul4sYShNTZdWIdhoKnW5Cx35LhQ1xuZg FEeN7WXvGD1AVQrVVh5KW+Z9Sp6pO43Kc5++QJ4xrqEF1N25DgZZ2UDE022BQk8OObB5 E2Z/IIOQjG+mX9DwBU5WKR+DAbh3FQuW21OXN0nHdLGKx1puyfXdVYkNj1l5Mx232x1R JvSqXinMh6/2qLMoDsxANgi/77gpYRdnz9MU4lDOF8DejxenE/gUUKKJGDPKn69UO+SE Gxu3VxGSXgIXM+9IiDqrVjBZkb3cRvzs+MxZZoKnU8I1zdJ7VXVycyyo/PITw7/L4Dst vBEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QXQ5Y7LspDwj7wkzhT67NpKvi1WnCdTUt6QhhLF6Hk4=; b=lyucPZImjlQSNi2lOXAG5n5+p1uTBMJlUtuKRo8nYkhbrblim7JJNmjcU2P6t52APc NtrmpRmqCbBIXXrP2PJW6ofboyh8qfoythPe/I4/IXllmvJ60kzCApfC3kzbhsNRjQuj Pmfxe+3IycdR0BoBNPIaakEYYrKO61qxg3DznAqj9T7aomGTlJg31srQpUV6RmolFaeD JkVxKvauL6y6sbOqxWmmyYgH+o9qMHQhu2fGCNp03xjBPV5HZ/OLcAyqP+2ltqYmcmMK EGQN9tC9b+zlrVrWPOQNJlaJmdQEd1y5lO13Corm41+3/142CiiqoE4EbLyd/5eJL/59 mCQQ== X-Gm-Message-State: AOAM5318MCKmB/KqBR5j9zqipK3qMlrXc5dXWm+ZJzk24V0Q4rH8rN94 MLOEmHEDycSzPj3Yol2wPWjOWoWUYvuaQg== X-Google-Smtp-Source: ABdhPJwvax1up8SzFMzabHtIgnoxgTsXxwi9b8AE3GTIILXuWnoKRxkmHUqCi/SB9rPJ/Q7SHFZslg== X-Received: by 2002:a05:6402:518f:: with SMTP id q15mr10672810edd.77.1636643321958; Thu, 11 Nov 2021 07:08:41 -0800 (PST) Received: from oberon.zico.biz.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id h10sm1746465edb.59.2021.11.11.07.08.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Nov 2021 07:08:41 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v5 01/25] trace-cmd library: Define trace file version 7 Date: Thu, 11 Nov 2021 17:08:40 +0200 Message-Id: <20211111150840.86532-1-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Added a define for file version 7, but keep the default file version to 6. Defined the new file version as the first version that supports trace file sections. Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/include/private/trace-cmd-private.h | 6 ++++++ lib/trace-cmd/include/trace-cmd-local.h | 7 ------- lib/trace-cmd/trace-output.c | 4 +++- lib/trace-cmd/trace-util.c | 2 +- tracecmd/trace-record.c | 2 ++ 5 files changed, 12 insertions(+), 9 deletions(-) diff --git a/lib/trace-cmd/include/private/trace-cmd-private.h b/lib/trace-cmd/include/private/trace-cmd-private.h index 767a63ab..02194749 100644 --- a/lib/trace-cmd/include/private/trace-cmd-private.h +++ b/lib/trace-cmd/include/private/trace-cmd-private.h @@ -31,6 +31,12 @@ struct tep_plugin_list *trace_load_plugins(struct tep_handle *tep, int flags); int *tracecmd_add_id(int *list, int id, int len); +#define FILE_VERSION_DEFAULT 6 +#define FILE_VERSION_MIN 6 +#define FILE_VERSION_MAX 7 + +#define FILE_VERSION_SECTIONS 7 + enum { RINGBUF_TYPE_PADDING = 29, RINGBUF_TYPE_TIME_EXTEND = 30, diff --git a/lib/trace-cmd/include/trace-cmd-local.h b/lib/trace-cmd/include/trace-cmd-local.h index a0d6f0a6..a025c0fa 100644 --- a/lib/trace-cmd/include/trace-cmd-local.h +++ b/lib/trace-cmd/include/trace-cmd-local.h @@ -14,13 +14,6 @@ void tracecmd_warning(const char *fmt, ...); void tracecmd_critical(const char *fmt, ...); void tracecmd_info(const char *fmt, ...); -/* trace.dat file format version */ -#define FILE_VERSION 6 - -#define _STR(x) #x -#define STR(x) _STR(x) -#define FILE_VERSION_STRING STR(FILE_VERSION) - #ifndef htonll # if __BYTE_ORDER == __LITTLE_ENDIAN #define htonll(x) __bswap_64(x) diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c index 6272c0f8..ea7075a6 100644 --- a/lib/trace-cmd/trace-output.c +++ b/lib/trace-cmd/trace-output.c @@ -83,6 +83,8 @@ struct list_event_system { char *name; }; +#define HAS_SECTIONS(H) ((H)->file_version >= FILE_VERSION_SECTIONS) + static stsize_t do_write_check(struct tracecmd_output *handle, const void *data, tsize_t size) { @@ -919,7 +921,7 @@ struct tracecmd_output *tracecmd_output_allocate(int fd) handle->fd = fd; - handle->file_version = FILE_VERSION; + handle->file_version = FILE_VERSION_DEFAULT; handle->page_size = getpagesize(); handle->big_endian = tracecmd_host_bigendian(); diff --git a/lib/trace-cmd/trace-util.c b/lib/trace-cmd/trace-util.c index 3b2d40ee..9c0f047b 100644 --- a/lib/trace-cmd/trace-util.c +++ b/lib/trace-cmd/trace-util.c @@ -620,7 +620,7 @@ unsigned long long tracecmd_generate_traceid(void) bool tracecmd_is_version_supported(unsigned int version) { - if (version <= FILE_VERSION) + if (version >= FILE_VERSION_MIN && version <= FILE_VERSION_MAX) return true; return false; } diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c index 3a84e116..757dab0f 100644 --- a/tracecmd/trace-record.c +++ b/tracecmd/trace-record.c @@ -214,6 +214,7 @@ struct common_record_context { int topt; int run_command; int saved_cmdlines_size; + int file_version; }; static void add_reset_file(const char *file, const char *val, int prio) @@ -5974,6 +5975,7 @@ static void init_common_record_context(struct common_record_context *ctx, ctx->instance = &top_instance; ctx->curr_cmd = curr_cmd; local_cpu_count = tracecmd_count_cpus(); + ctx->file_version = FILE_VERSION_DEFAULT; init_top_instance(); }