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Diffstat (limited to 'catapult/systrace/atrace_helper/jni/process_info.cc')
-rw-r--r--catapult/systrace/atrace_helper/jni/process_info.cc102
1 files changed, 0 insertions, 102 deletions
diff --git a/catapult/systrace/atrace_helper/jni/process_info.cc b/catapult/systrace/atrace_helper/jni/process_info.cc
deleted file mode 100644
index 172217bf..00000000
--- a/catapult/systrace/atrace_helper/jni/process_info.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "process_info.h"
-
-#include <ctype.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#include "file_utils.h"
-#include "logging.h"
-
-ProcessInfo::ProcessInfo(int pid) : memory_(pid), pid_(pid) {}
-
-bool ProcessInfo::IsProcess(int pid) {
- char buf[256];
- ssize_t rsize = file_utils::ReadProcFile(pid, "status", buf, sizeof(buf));
- if (rsize <= 0)
- return false;
- const char kTgid[] = "\nTgid:";
- const char* tgid_line = strstr(buf, kTgid);
- CHECK(tgid_line);
- int tgid = 0;
- if (sscanf(tgid_line + strlen(kTgid), "%d", &tgid) != 1)
- CHECK(false);
- return tgid == pid;
-}
-
-bool ProcessInfo::ReadProcessName() {
- if (!file_utils::ReadProcFileTrimmed(pid_, "cmdline", name_, sizeof(name_)))
- return false;
-
- // Fallback on "comm" for kernel threads.
- if (strlen(name_) == 0) {
- if (!file_utils::ReadProcFileTrimmed(pid_, "comm", name_, sizeof(name_)))
- return false;
- }
-
- // Get also the exe path, to distinguish system vs java apps and bitness.
- char exe_path[64];
- sprintf(exe_path, "/proc/%d/exe", pid_);
- exe_[0] = '\0';
- ssize_t res = readlink(exe_path, exe_, sizeof(exe_) - 1);
- if (res >= 0)
- exe_[res] = '\0';
-
- return true;
-}
-
-bool ProcessInfo::ReadThreadNames() {
- char tasks_path[64];
- sprintf(tasks_path, "/proc/%d/task", pid_);
- CHECK(threads_.empty());
- ThreadInfoMap* threads = &threads_;
- const int pid = pid_;
- file_utils::ForEachPidInProcPath(tasks_path, [pid, threads](int tid) {
- char comm[64];
- std::unique_ptr<ThreadInfo> thread_info(new ThreadInfo());
- sprintf(comm, "task/%d/comm", tid);
- if (!file_utils::ReadProcFileTrimmed(pid, comm, thread_info->name,
- sizeof(thread_info->name))) {
- return;
- }
- (*threads)[tid] = std::move(thread_info);
- });
- return true;
-}
-
-bool ProcessInfo::ReadOOMStats() {
- char buf[512];
- if (file_utils::ReadProcFileTrimmed(pid_, "oom_adj", buf, sizeof(buf)))
- oom_adj_ = atoi(buf);
- else
- return false;
-
- if (file_utils::ReadProcFileTrimmed(pid_, "oom_score", buf, sizeof(buf)))
- oom_score_ = atoi(buf);
- else
- return false;
-
- if (file_utils::ReadProcFileTrimmed(pid_, "oom_score_adj", buf, sizeof(buf)))
- oom_score_adj_ = atoi(buf);
- else
- return false;
-
- return true;
-}
-
-bool ProcessInfo::ReadPageFaultsAndCPUTimeStats() {
- char buf[512];
- if (!file_utils::ReadProcFileTrimmed(pid_, "stat", buf, sizeof(buf)))
- return false;
- int ret = sscanf(buf,
- "%*d (%*[^)]) %*c %*d %*d %*d %*d %*d %*u %lu %*lu "
- "%lu %*lu %lu %lu %*ld %*ld %*ld %*ld %*ld %*ld %llu",
- &minflt_, &majflt_, &utime_, &stime_, &start_time_);
- CHECK(ret == 5);
- return true;
-}