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authorBen Noordhuis <info@bnoordhuis.nl>2013-02-25 22:45:23 +0100
committerBen Noordhuis <info@bnoordhuis.nl>2013-02-25 23:45:02 +0100
commitb15a10e7a014674ef6f71c51ad84032fb7b802e2 (patch)
tree3bb04a6cb05c7a37c385eda4521b8a9e7bcd736f /deps/v8/tools/run-llprof.sh
parent34046084c0665c8bb2dfd84683dcf29d7ffbad2d (diff)
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deps: downgrade v8 to 3.14.5
V8 3.15 and newer have stability and performance issues. Roll back to a known-good version.
Diffstat (limited to 'deps/v8/tools/run-llprof.sh')
-rwxr-xr-xdeps/v8/tools/run-llprof.sh69
1 files changed, 0 insertions, 69 deletions
diff --git a/deps/v8/tools/run-llprof.sh b/deps/v8/tools/run-llprof.sh
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index d526170d1f..0000000000
--- a/deps/v8/tools/run-llprof.sh
+++ /dev/null
@@ -1,69 +0,0 @@
-#!/bin/sh
-#
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following
-# disclaimer in the documentation and/or other materials provided
-# with the distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-########## Global variable definitions
-
-# Ensure that <your CPU clock> / $SAMPLE_EVERY_N_CYCLES < $MAXIMUM_SAMPLE_RATE.
-MAXIMUM_SAMPLE_RATE=10000000
-SAMPLE_EVERY_N_CYCLES=10000
-SAMPLE_RATE_CONFIG_FILE="/proc/sys/kernel/perf_event_max_sample_rate"
-KERNEL_MAP_CONFIG_FILE="/proc/sys/kernel/kptr_restrict"
-
-########## Usage
-
-usage() {
-cat << EOF
-usage: $0 <benchmark_command>
-
-Executes <benchmark_command> under observation by the kernel's "perf" \
-framework, then calls the low level tick processor to analyze the results.
-EOF
-}
-
-if [ $# -eq 0 ] || [ "$1" == "-h" ] || [ "$1" == "--help" ] ; then
- usage
- exit 1
-fi
-
-########## Actual script execution
-
-ACTUAL_SAMPLE_RATE=$(cat $SAMPLE_RATE_CONFIG_FILE)
-if [ "$ACTUAL_SAMPLE_RATE" -lt "$MAXIMUM_SAMPLE_RATE" ] ; then
- echo "Setting appropriate maximum sample rate..."
- echo $MAXIMUM_SAMPLE_RATE | sudo tee $SAMPLE_RATE_CONFIG_FILE
-fi
-
-ACTUAL_KERNEL_MAP_RESTRICTION=$(cat $KERNEL_MAP_CONFIG_FILE)
-if [ "$ACTUAL_KERNEL_MAP_RESTRICTION" -ne "0" ] ; then
- echo "Disabling kernel address map restriction..."
- echo 0 | sudo tee $KERNEL_MAP_CONFIG_FILE
-fi
-
-echo "Running benchmark..."
-perf record -R -e cycles -c $SAMPLE_EVERY_N_CYCLES -f -i $@ --ll-prof