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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6043FC5B57E for ; Sun, 30 Jun 2019 14:31:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C39E20665 for ; Sun, 30 Jun 2019 14:31:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726514AbfF3ObS (ORCPT ); Sun, 30 Jun 2019 10:31:18 -0400 Received: from outgoing-stata.csail.mit.edu ([128.30.2.210]:35946 "EHLO outgoing-stata.csail.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726500AbfF3ObS (ORCPT ); Sun, 30 Jun 2019 10:31:18 -0400 Received: from mail-ot1-f51.google.com ([209.85.210.51]) by outgoing-stata.csail.mit.edu with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1hharN-000AEr-Bu for linux-trace-users@vger.kernel.org; Sun, 30 Jun 2019 10:31:17 -0400 Received: by mail-ot1-f51.google.com with SMTP id e8so10805537otl.7 for ; Sun, 30 Jun 2019 07:31:17 -0700 (PDT) X-Gm-Message-State: APjAAAX9TUZuCY0yiLHD3vIU94etIeXWcAKERpfGAA3JtCCI5wlg5pmu FPuzU10/oA6YV+MAMrVm3HP2u3oZrzIf9xa7600= X-Google-Smtp-Source: APXvYqxhqiYpP78ZhKZajWvH74zQyzij0U+hrDy1wgz3+/dmfrxenHtKtOFxdNxIdim651lEnQ86xgLmKthIu3BG28o= X-Received: by 2002:a9d:88f:: with SMTP id 15mr15114968otf.147.1561905076742; Sun, 30 Jun 2019 07:31:16 -0700 (PDT) MIME-Version: 1.0 References: <20190626114601.6510c943@gandalf.local.home> In-Reply-To: From: Anthony Eden Date: Sun, 30 Jun 2019 10:31:05 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: increase size of number of possible tracing events To: Steven Rostedt Cc: linux-trace-users@vger.kernel.org, kaslevs@vmware.com Content-Type: text/plain; charset="UTF-8" Sender: linux-trace-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-users@vger.kernel.org Using ptrace to do this turns out to be absurdly slow, as one might expect (I wrote a python script for lldb). If anyone would like to see the actual numbers let me know. -Anthony