From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 41BB91F403 for ; Sat, 9 Jun 2018 07:31:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753107AbeFIHbf (ORCPT ); Sat, 9 Jun 2018 03:31:35 -0400 Received: from cloud.peff.net ([104.130.231.41]:39888 "HELO cloud.peff.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753019AbeFIHbf (ORCPT ); Sat, 9 Jun 2018 03:31:35 -0400 Received: (qmail 22889 invoked by uid 109); 9 Jun 2018 07:31:34 -0000 Received: from Unknown (HELO peff.net) (10.0.1.2) by cloud.peff.net (qpsmtpd/0.94) with SMTP; Sat, 09 Jun 2018 07:31:34 +0000 Authentication-Results: cloud.peff.net; auth=none Received: (qmail 1496 invoked by uid 111); 9 Jun 2018 07:31:48 -0000 Received: from sigill.intra.peff.net (HELO sigill.intra.peff.net) (10.0.0.7) by peff.net (qpsmtpd/0.94) with (ECDHE-RSA-AES256-GCM-SHA384 encrypted) SMTP; Sat, 09 Jun 2018 03:31:48 -0400 Authentication-Results: peff.net; auth=none Received: by sigill.intra.peff.net (sSMTP sendmail emulation); Sat, 09 Jun 2018 03:31:32 -0400 Date: Sat, 9 Jun 2018 03:31:32 -0400 From: Jeff King To: Johannes Sixt Cc: Duy Nguyen , =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason , Thomas Braun , Jeff Hostetler , Git Mailing List , Junio C Hamano , Jeff Hostetler Subject: Re: [RFC PATCH v1] telemetry design overview (part 1) Message-ID: <20180609073132.GA1554@sigill.intra.peff.net> References: <20180607145313.25015-1-git@jeffhostetler.com> <20180608090758.GA15112@sigill.intra.peff.net> <688240ef-34a1-ee9a-215a-b4f9628e7c72@virtuell-zuhause.de> <9ab3eec1-40c1-8543-e122-ed4ccfd367b4@kdbg.org> <87fu1w53af.fsf@evledraar.gmail.com> <20180609065132.GD30224@sigill.intra.peff.net> <208bcf92-cc23-d63d-3dfc-441e960e1e02@kdbg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <208bcf92-cc23-d63d-3dfc-441e960e1e02@kdbg.org> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Sat, Jun 09, 2018 at 09:04:16AM +0200, Johannes Sixt wrote: > > AFAICT this telemetry data is the same thing, but for performance. When > > somebody says "why does this command take so long", wouldn't it be nice > > for us to be able to tell them to flip a switch that will collect data > > on which operations are taking a long time? > > Why do we need long-term survaillance to answer this question and why can it > not be made a mode of GIT_TRACE? I guess I don't see how this isn't simply a mode of GIT_TRACE. -Peff