Revert "Adding methods to get memory usage of server for the perchannel benchmark (#30390)" (#30433)
This reverts commit fcdea5afcd
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pull/30433/merge
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fcdea5afcd
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3fe438b55a
11 changed files with 11 additions and 163 deletions
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// 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/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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GPR_ASSERT(!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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return resident_set; |
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} |
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