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phs_v1.0.1.0/build/scripts/summary_ccache_hitrate.py
2024-09-27 19:16:49 +08:00

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2.7 KiB
Python
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#!/usr/bin/env python3
# -*- coding: UTF-8 -*-
# Copyright (c) 2021 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
import subprocess
def summary_ccache_new(ccache_log):
hit_dir_num = 0
hit_pre_num = 0
mis_num = 0
hit_rate = 0
mis_rate = 0
hit_dir_str = "Result: direct_cache_hit"
hit_pre_str = "Result: preprocessed_cache_hit"
mis_str = "Result: cache_miss"
if os.path.exists(ccache_log):
cmd = "grep -c \'{}\' {}".format(hit_dir_str, ccache_log)
hit_dir_num = int(
subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE).communicate()[0])
cmd = "grep -c \'{}\' {}".format(hit_pre_str, ccache_log)
hit_pre_num = int(
subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE).communicate()[0])
cmd = "grep -c \'{}\' {}".format(mis_str, ccache_log)
mis_num = int(
subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE).communicate()[0])
sum_ccache = hit_dir_num + hit_pre_num + mis_num
if sum_ccache != 0:
hit_rate = (float(hit_dir_num) +
float(hit_pre_num)) / float(sum_ccache)
mis_rate = float(mis_num) / float(sum_ccache)
return hit_rate, mis_rate, hit_dir_num, hit_pre_num, mis_num
def main():
if len(sys.argv) < 2:
print("Error, please input the ccache log file path.")
exit(-1)
ccache_log = sys.argv[1]
hit_rate = 0
mis_rate = 0
hit_dir_num = 0
hit_pre_num = 0
mis_num = 0
if os.path.exists(ccache_log):
hit_rate, mis_rate, hit_dir_num, hit_pre_num, mis_num = summary_ccache_new(
ccache_log)
print("---------------------------------------------")
print("ccache summary:")
print("cache hit (direct) : " + str(hit_dir_num))
print("cache hit (preprocessed) : " + str(hit_pre_num))
print("cache miss : " + str(mis_num))
print("hit rate: %.2f%% " % (hit_rate * 100))
print("mis rate: %.2f%% " % (mis_rate * 100))
print("---------------------------------------------")
if __name__ == "__main__":
main()