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Diffstat (limited to 'deps/v8/tools/run-llprof.sh')
-rwxr-xr-x | deps/v8/tools/run-llprof.sh | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/deps/v8/tools/run-llprof.sh b/deps/v8/tools/run-llprof.sh deleted file mode 100755 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 |