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From: zuyu <git@git.apache.org>
To: dev@quickstep.incubator.apache.org
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References: <git-pr-22-incubator-quickstep@git.apache.org>
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Subject: [GitHub] incubator-quickstep pull request #22: Add a shell script that logs the build...
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Message-Id: <20160611054743.6124FDFC74@git1-us-west.apache.org>
Date: Sat, 11 Jun 2016 05:47:43 +0000 (UTC)
archived-at: Sat, 11 Jun 2016 05:47:48 -0000

Github user zuyu commented on a diff in the pull request:

    https://github.com/apache/incubator-quickstep/pull/22#discussion_r66701493
  
    --- Diff: build/profile_build.sh ---
    @@ -0,0 +1,65 @@
    +#!/bin/bash
    +# This script may be useful for developers to profile the build process itself.
    +#
    +# This shell script runs CMake and make, dumping all output into a log file.
    +# It also logs the CPU usage and memory information during the build.
    +# All log messages are timestamped to enable profiling.
    +#
    +# Dependencies:
    +# - ts 
    +# sudo apt-get install -y libtime-duration-perl moreutils
    +# - vmstat and mpstat 
    +# sudo apt-get install -y sysstat
    +#
    +# Usage: ./profile_build.sh [num_parallel_jobs]
    +# The number of parallel make jobs can be passed as argument to this script.
    +# By default, it is the number of (virtual) CPUs on the machine (nproc).
    +# Set the CMake flags you want to use below.
    +#
    +# If CMakeCache.txt is detected, the script skips cmake and runs make only.
    +#
    --- End diff --
    
    Please remove this comment line.


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