From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 3DC961F4F8 for ; Thu, 20 Oct 2016 16:30:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755937AbcJTQaa (ORCPT ); Thu, 20 Oct 2016 12:30:30 -0400 Received: from mail-qk0-f171.google.com ([209.85.220.171]:35751 "EHLO mail-qk0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755009AbcJTQa3 (ORCPT ); Thu, 20 Oct 2016 12:30:29 -0400 Received: by mail-qk0-f171.google.com with SMTP id z190so103743599qkc.2 for ; Thu, 20 Oct 2016 09:30:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Sk4vYEXd9DJCQAq3cEwWv6QgEQMobWHf8+06Qtp+HWc=; b=NLTNIOzbOMy+meQ+xqHAwhGxUdEGaidNBZ/gRl9KIJApgg8O+UVJ5RwZmBpzpINu2p MR6n6tRxBMbZuq1mtxljco8zg0Z+76lOGQyL2bkRPqGlfx68GV/g4iKsHsyOW4/tAm+o kJF4/jJcqnxxWF1PeaVVTYw9PZalP2fTSNbd+yeTEEZ9114eqw8eFy72+mA9T/plc5DB Dk9SD/e6/xcqsQEYb9ufvrDv6QmHIXpZv4Gpgg7cbIFxtmH9SfE6/aWjvOSp+O9Co80B EY/Xcx2Fb8offKWphv28Q/tiOhPb1OundB0f3PVbZ5LCDoDwiLtxUvUavPKB550sxG1N 0Spg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Sk4vYEXd9DJCQAq3cEwWv6QgEQMobWHf8+06Qtp+HWc=; b=LeQ1jC2YvSxUG1oaiZ32TCOyDT0RFJ2MiW7/IbjirY0LCdQqazDTIlEuEMrBNZbXo1 MUulDHGOSt3/gRDeRcQhRhTCl1Hjd77JWL8mtXEm0VNT8Yh7XumZEt+ANps5RRff5p0v CcJvuKQqKgszdeTWJ6vk3CIbANv3Tu5ffTVKc+u/ctDVTSVSrbtmaALw0YyMYdJO2wjF 3X4bLQEREoFzt/dsIyoWLC7FkquzwYQPGr1NE/QtqYNdh1rUE044Fc0SdvVArl4vPyaq 88gXtzudaChFFwZgNhP9KFs1Koxj4SUapt9ehuYeiVEDeuvBRgM8rwEb/Vz4HKN7Xo1/ o+3A== X-Gm-Message-State: ABUngvdcZMoEegOx8UleGKD1f2T4xU3YKrXCDIS26OcRNYqECjmRt5ICCgMnrLYAoBbbYqFHmSpgJqQ0da7WzFHe X-Received: by 10.55.142.130 with SMTP id q124mr1278814qkd.220.1476981027634; Thu, 20 Oct 2016 09:30:27 -0700 (PDT) MIME-Version: 1.0 Received: by 10.12.135.40 with HTTP; Thu, 20 Oct 2016 09:30:27 -0700 (PDT) In-Reply-To: <20161020123111.qnbsainul2g54z4z@sigill.intra.peff.net> References: <20161020123111.qnbsainul2g54z4z@sigill.intra.peff.net> From: Stefan Beller Date: Thu, 20 Oct 2016 09:30:27 -0700 Message-ID: Subject: Re: Drastic jump in the time required for the test suite To: Jeff King Cc: Johannes Schindelin , Junio C Hamano , "git@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Thu, Oct 20, 2016 at 5:31 AM, Jeff King wrote: > > $ perl -lne '/execve\("(.*?)"/ and print $1' /tmp/foo.out | sort | uniq -c | sort -rn | head > 152271 /home/peff/compile/git/git > 57340 /home/peff/compile/git/t/../bin-wrappers/git > 16865 /bin/sed > 12650 /bin/rm > 11257 /bin/cat > 9326 /home/peff/compile/git/git-sh-i18n--envsubst > 9079 /usr/bin/diff > 8013 /usr/bin/wc > 5924 /bin/mv > 4566 /bin/grep > I am not an expert on perl nor tracing, but is it feasible to find out how many internal calls there are? i.e. either some shell script (rebase, submodule) calling git itself a couple of times or even from compile/git/git itself, e.g. some submodule operations use forking in there.