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