1 #!/bin/bash

     2 

     3 # Measure the performance of a list of revsets on a range of revisions defined

     4 # by parameter. Checkout one by one and run perfrevset with every revset in the

     5 # list to benchmark its performance.

     6 #

     7 # First argument is the starting revision to measure performance

     8 # Second argument the ending revision to measure performance

     9 # Third argument is the file from which the revset array will be taken 

    10 #

    11 # You should run this from the root of your mercurial repository.

    12 #

    13 # This script also does one run of the current version of mercurial installed

    14 # to compare performance.

    15 

    16 HG="hg update"

    17 PERF="./hg perfrevset"

    18 BASE_PERF="hg perfrevset"

    19 

    20 START=$1

    21 END=$2

    22 readarray REVSETS < $3

    23 

    24 hg update --quiet

    25 

    26 echo "Starting time benchmarking"

    27 echo

    28 

    29 echo "Revsets to benchmark"

    30 echo "----------------------------"

    31 

    32 for (( j = 0; j < ${#REVSETS[@]}; j++ ));

    33 do

    34   echo "${j}) ${REVSETS[$j]}"

    35 done

    36 

    37 echo "----------------------------"

    38 echo

    39 

    40 # Benchmark baseline

    41 echo "Benchmarking baseline"

    42 

    43 for (( j = 0; j < ${#REVSETS[@]}; j++ ));

    44   do

    45     echo -n "${j}) "

    46     $BASE_PERF "${REVSETS[$j]}"

    47 done

    48 

    49 echo

    50 echo

    51 

    52 # Benchmark revisions

    53 for i in $(seq $START $END);

    54 do

    55   echo "----------------------------"

    56   echo -n "Revision: "

    57   hg log -r $i --template "{desc|firstline}"

    58 

    59   echo "----------------------------"

    60   $HG $i

    61   for (( j = 0; j < ${#REVSETS[@]}; j++ ));

    62   do

    63     echo -n "${j}) "

    64     $PERF "${REVSETS[$j]}"

    65   done

    66   echo "----------------------------"

    67 done

    68 

    69 $HG

    70 

    71 # Benchmark current code

    72 echo "Benchmarking current code"

    73 

    74 for (( j = 0; j < ${#REVSETS[@]}; j++ ));

    75   do

    76     echo -n "${j}) "

    77     $PERF "${REVSETS[$j]}"

    78 done

    79 

    80 

    81 echo

    82 echo "Time benchmarking finished"

    83 

    84