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https://github.com/php-win-ext/grpc.git
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Tanvi Jagtap
04dc9b1da0
[grpc][Gpr_To_Absl_Logging] Migrating from gpr to absl logging GPR_ASSERT Replacing GPR_ASSERT with absl CHECK These changes have been made using string replacement and regex. Will not be replacing all instances of CHECK with CHECK_EQ , CHECK_NE etc because there are too many callsites. Only ones which are doable using very simple regex with least chance of failure will be replaced. Given that we have 5000+ instances of GPR_ASSERT to edit, Doing it manually is too much work for both the author and reviewer. <!-- If you know who should review your pull request, please assign it to that person, otherwise the pull request would get assigned randomly. If your pull request is for a specific language, please add the appropriate lang label. --> Closes #36440 COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/36440 from tanvi-jagtap:tjagtap_iomgr_memory_usage a56570338e308e9bfcd9f16c265074e777c9d6e9 PiperOrigin-RevId: 628276606
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
// Copyright 2022 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "test/core/memory_usage/memstats.h"
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#include <unistd.h>
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#include <fstream>
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#include <string>
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#include "absl/log/check.h"
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#include "absl/strings/str_cat.h"
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#include <grpc/support/log.h>
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long GetMemUsage(absl::optional<int> pid) {
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// Default is getting memory usage for self (calling process)
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std::string path = "/proc/self/stat";
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if (pid != absl::nullopt) {
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path = absl::StrCat("/proc/", pid.value(), "/stat");
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}
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std::ifstream stat_stream(path, std::ios_base::in);
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double resident_set = 0.0;
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// Temporary variables for irrelevant leading entries in stats
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std::string temp_pid, comm, state, ppid, pgrp, session, tty_nr;
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std::string tpgid, flags, minflt, cminflt, majflt, cmajflt;
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std::string utime, stime, cutime, cstime, priority, nice;
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std::string O, itrealvalue, starttime, vsize;
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// Get rss to find memory usage
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long rss;
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stat_stream >> temp_pid >> comm >> state >> ppid >> pgrp >> session >>
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tty_nr >> tpgid >> flags >> minflt >> cminflt >> majflt >> cmajflt >>
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utime >> stime >> cutime >> cstime >> priority >> nice >> O >>
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itrealvalue >> starttime >> vsize >> rss;
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stat_stream.close();
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// pid does not connect to an existing process
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CHECK(!state.empty());
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// Calculations in case x86-64 is configured to use 2MB pages
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long page_size_kb = sysconf(_SC_PAGE_SIZE) / 1024;
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resident_set = rss * page_size_kb;
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// Memory in KB
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return resident_set;
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}
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