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narrow: when writing treemanifests, skip inspecting directories outside narrow...
narrow: when writing treemanifests, skip inspecting directories outside narrow This provides significant speed benefits when narrow and treemanifests are in use, see the timing numbers below. Note that like previously, differences of <5% are considered noise. The below timing numbers are in the same style as previously (example: ee7ee0c516ca). 'before' is 9db85644, and does not include that example commit's improvements. diff --git: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 1.327 s +- 0.051 s | 1.296 s +- 0.009 s | 97.7% m-u | | x | 1.310 s +- 0.020 s | 1.295 s +- 0.015 s | 98.9% m-u | x | | 1.295 s +- 0.018 s | 1.296 s +- 0.007 s | 100.1% m-u | x | x | 83.5 ms +- 0.8 ms | 84.1 ms +- 0.8 ms | 100.7% l-d-r | | | 205.1 ms +- 3.5 ms | 205.0 ms +- 3.8 ms | 100.0% l-d-r | | x | 194.2 ms +- 5.6 ms | 192.3 ms +- 4.3 ms | 99.0% l-d-r | x | | 99.1 ms +- 2.2 ms | 97.8 ms +- 0.9 ms | 98.7% l-d-r | x | x | 66.2 ms +- 1.0 ms | 67.2 ms +- 2.7 ms | 101.5% diff -c . --git: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 233.9 ms +- 1.9 ms | 235.6 ms +- 5.1 ms | 100.7% m-u | | x | 151.4 ms +- 1.2 ms | 152.2 ms +- 2.0 ms | 100.5% m-u | x | | 234.8 ms +- 2.7 ms | 235.0 ms +- 2.7 ms | 100.1% m-u | x | x | 127.8 ms +- 2.1 ms | 126.0 ms +- 1.1 ms | 98.6% l-d-r | | | 82.5 ms +- 1.6 ms | 82.3 ms +- 2.0 ms | 99.8% l-d-r | | x | 3.742 s +- 0.017 s | 3.819 s +- 0.208 s | 102.1% l-d-r | x | | 84.4 ms +- 1.5 ms | 83.2 ms +- 1.0 ms | 98.6% l-d-r | x | x | 751.2 ms +- 5.0 ms | 755.8 ms +- 12.9 ms | 100.6% rebase -r . --keep -d .^^: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 5.519 s +- 0.038 s | 5.526 s +- 0.057 s | 100.1% m-u | | x | 5.588 s +- 0.048 s | 5.607 s +- 0.061 s | 100.3% m-u | x | | 5.520 s +- 0.044 s | 5.546 s +- 0.059 s | 100.5% m-u | x | x | 586.6 ms +- 12.8 ms | 554.9 ms +- 21.2 ms | 94.6% <-- l-d-r | | | 629.8 ms +- 5.5 ms | 627.4 ms +- 6.6 ms | 99.6% l-d-r | | x | 6.165 s +- 0.058 s | 6.255 s +- 0.303 s | 101.5% l-d-r | x | | 270.2 ms +- 2.3 ms | 271.4 ms +- 2.7 ms | 100.4% l-d-r | x | x | 4.700 s +- 0.025 s | 1.651 s +- 0.016 s | 35.1% <-- status --change . --copies: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 215.4 ms +- 2.3 ms | 216.5 ms +- 4.2 ms | 100.5% m-u | | x | 132.9 ms +- 1.2 ms | 132.0 ms +- 1.4 ms | 99.3% m-u | x | | 217.0 ms +- 1.9 ms | 215.4 ms +- 1.9 ms | 99.3% m-u | x | x | 108.6 ms +- 1.0 ms | 108.2 ms +- 1.5 ms | 99.6% l-d-r | | | 80.0 ms +- 1.3 ms | 80.5 ms +- 1.1 ms | 100.6% l-d-r | | x | 3.916 s +- 0.187 s | 3.966 s +- 0.236 s | 101.3% l-d-r | x | | 84.4 ms +- 3.1 ms | 83.9 ms +- 1.1 ms | 99.4% l-d-r | x | x | 758.0 ms +- 8.2 ms | 753.5 ms +- 5.0 ms | 99.4% status --copies: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 1.905 s +- 0.025 s | 1.910 s +- 0.044 s | 100.3% m-u | | x | 1.892 s +- 0.009 s | 1.895 s +- 0.012 s | 100.2% m-u | x | | 1.891 s +- 0.012 s | 1.902 s +- 0.018 s | 100.6% m-u | x | x | 93.3 ms +- 0.9 ms | 93.4 ms +- 0.8 ms | 100.1% l-d-r | | | 570.7 ms +- 7.8 ms | 571.9 ms +- 18.5 ms | 100.2% l-d-r | | x | 561.5 ms +- 5.2 ms | 562.9 ms +- 6.1 ms | 100.2% l-d-r | x | | 171.7 ms +- 2.6 ms | 171.9 ms +- 1.2 ms | 100.1% l-d-r | x | x | 142.7 ms +- 2.0 ms | 140.3 ms +- 1.0 ms | 98.3% update $rev^; ~/src/hg/hg{hg}/hg update $rev: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 3.126 s +- 0.016 s | 3.128 s +- 0.015 s | 100.1% m-u | | x | 3.014 s +- 0.068 s | 3.008 s +- 0.031 s | 99.8% m-u | x | | 3.143 s +- 0.037 s | 3.184 s +- 0.086 s | 101.3% m-u | x | x | 308.0 ms +- 1.8 ms | 308.1 ms +- 5.7 ms | 100.0% l-d-r | | | 430.8 ms +- 4.5 ms | 436.4 ms +- 8.7 ms | 101.3% l-d-r | | x | 9.676 s +- 0.127 s | 9.945 s +- 0.272 s | 102.8% l-d-r | x | | 254.2 ms +- 3.3 ms | 255.7 ms +- 3.1 ms | 100.6% l-d-r | x | x | 1.571 s +- 0.030 s | 1.555 s +- 0.014 s | 99.0% Differential Revision: https://phab.mercurial-scm.org/D4606
Boris Feld - - Load All Authors

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showstack.py
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# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
"""dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
"""
from __future__ import absolute_import
import signal
import sys
import traceback
def sigshow(*args):
sys.stderr.write("\n")
traceback.print_stack(args[1], limit=10, file=sys.stderr)
sys.stderr.write("----\n")
def extsetup(ui):
signal.signal(signal.SIGQUIT, sigshow)
try:
signal.signal(signal.SIGINFO, sigshow)
except AttributeError:
pass