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98 lines
2.8 KiB
98 lines
2.8 KiB
4 months ago
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/*
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* Copyright (C) 2013 The Android Open Source Project
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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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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <filesystem>
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#include <vector>
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#include <android-base/file.h>
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#include <android-base/parseint.h>
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#include <android-base/stringprintf.h>
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#include <memtrack/memtrack.h>
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#define DIV_ROUND_UP(x, y) (((x) + (y)-1) / (y))
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static void getprocname(pid_t pid, std::string* name) {
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std::string fname = ::android::base::StringPrintf("/proc/%d/cmdline", pid);
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if (!::android::base::ReadFileToString(fname, name)) {
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fprintf(stderr, "Failed to read cmdline from: %s\n", fname.c_str());
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*name = "<unknown>";
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}
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}
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int main(int /* argc */, char** /* argv */) {
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int ret;
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struct memtrack_proc* p;
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std::vector<pid_t> pids;
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p = memtrack_proc_new();
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if (p == nullptr) {
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fprintf(stderr, "failed to create memtrack process handle\n");
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exit(EXIT_FAILURE);
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}
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for (auto& de : std::filesystem::directory_iterator("/proc")) {
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if (!std::filesystem::is_directory(de.status())) {
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continue;
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}
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pid_t pid;
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if (!::android::base::ParseInt(de.path().filename().string(), &pid)) {
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continue;
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}
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pids.emplace_back(pid);
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}
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for (auto& pid : pids) {
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size_t v1;
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size_t v2;
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size_t v3;
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size_t v4;
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size_t v5;
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size_t v6;
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std::string cmdline;
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getprocname(pid, &cmdline);
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ret = memtrack_proc_get(p, pid);
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if (ret) {
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fprintf(stderr, "failed to get memory info for pid %d: %s (%d)\n", pid, strerror(-ret),
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ret);
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continue;
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}
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v1 = DIV_ROUND_UP(memtrack_proc_graphics_total(p), 1024);
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v2 = DIV_ROUND_UP(memtrack_proc_graphics_pss(p), 1024);
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v3 = DIV_ROUND_UP(memtrack_proc_gl_total(p), 1024);
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v4 = DIV_ROUND_UP(memtrack_proc_gl_pss(p), 1024);
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v5 = DIV_ROUND_UP(memtrack_proc_other_total(p), 1024);
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v6 = DIV_ROUND_UP(memtrack_proc_other_pss(p), 1024);
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if (v1 | v2 | v3 | v4 | v5 | v6) {
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fprintf(stdout, "%5d %6zu %6zu %6zu %6zu %6zu %6zu %s\n", pid, v1, v2, v3, v4, v5, v6,
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cmdline.c_str());
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}
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}
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memtrack_proc_destroy(p);
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return ret;
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}
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