| Index: base/process/internal_linux.cc
|
| diff --git a/base/process/internal_linux.cc b/base/process/internal_linux.cc
|
| deleted file mode 100644
|
| index 4f3fcaccbfb654821266c1bce7143870844e49d5..0000000000000000000000000000000000000000
|
| --- a/base/process/internal_linux.cc
|
| +++ /dev/null
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| @@ -1,187 +0,0 @@
|
| -// Copyright (c) 2012 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 "base/process/internal_linux.h"
|
| -
|
| -#include <unistd.h>
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| -
|
| -#include <map>
|
| -#include <string>
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| -#include <vector>
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| -
|
| -#include "base/files/file_util.h"
|
| -#include "base/logging.h"
|
| -#include "base/strings/string_number_conversions.h"
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| -#include "base/strings/string_split.h"
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| -#include "base/strings/string_util.h"
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| -#include "base/threading/thread_restrictions.h"
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| -#include "base/time/time.h"
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| -
|
| -namespace base {
|
| -namespace internal {
|
| -
|
| -const char kProcDir[] = "/proc";
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| -
|
| -const char kStatFile[] = "stat";
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| -
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| -FilePath GetProcPidDir(pid_t pid) {
|
| - return FilePath(kProcDir).Append(IntToString(pid));
|
| -}
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| -
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| -pid_t ProcDirSlotToPid(const char* d_name) {
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| - int i;
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| - for (i = 0; i < NAME_MAX && d_name[i]; ++i) {
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| - if (!IsAsciiDigit(d_name[i])) {
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| - return 0;
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| - }
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| - }
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| - if (i == NAME_MAX)
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| - return 0;
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| -
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| - // Read the process's command line.
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| - pid_t pid;
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| - std::string pid_string(d_name);
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| - if (!StringToInt(pid_string, &pid)) {
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| - NOTREACHED();
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| - return 0;
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| - }
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| - return pid;
|
| -}
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| -
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| -bool ReadProcFile(const FilePath& file, std::string* buffer) {
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| - buffer->clear();
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| - // Synchronously reading files in /proc is safe.
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| - ThreadRestrictions::ScopedAllowIO allow_io;
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| -
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| - if (!ReadFileToString(file, buffer)) {
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| - DLOG(WARNING) << "Failed to read " << file.MaybeAsASCII();
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| - return false;
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| - }
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| - return !buffer->empty();
|
| -}
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| -
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| -bool ReadProcStats(pid_t pid, std::string* buffer) {
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| - FilePath stat_file = internal::GetProcPidDir(pid).Append(kStatFile);
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| - return ReadProcFile(stat_file, buffer);
|
| -}
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| -
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| -bool ParseProcStats(const std::string& stats_data,
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| - std::vector<std::string>* proc_stats) {
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| - // |stats_data| may be empty if the process disappeared somehow.
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| - // e.g. http://crbug.com/145811
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| - if (stats_data.empty())
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| - return false;
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| -
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| - // The stat file is formatted as:
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| - // pid (process name) data1 data2 .... dataN
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| - // Look for the closing paren by scanning backwards, to avoid being fooled by
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| - // processes with ')' in the name.
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| - size_t open_parens_idx = stats_data.find(" (");
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| - size_t close_parens_idx = stats_data.rfind(") ");
|
| - if (open_parens_idx == std::string::npos ||
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| - close_parens_idx == std::string::npos ||
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| - open_parens_idx > close_parens_idx) {
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| - DLOG(WARNING) << "Failed to find matched parens in '" << stats_data << "'";
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| - NOTREACHED();
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| - return false;
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| - }
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| - open_parens_idx++;
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| -
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| - proc_stats->clear();
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| - // PID.
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| - proc_stats->push_back(stats_data.substr(0, open_parens_idx));
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| - // Process name without parentheses.
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| - proc_stats->push_back(
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| - stats_data.substr(open_parens_idx + 1,
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| - close_parens_idx - (open_parens_idx + 1)));
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| -
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| - // Split the rest.
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| - std::vector<std::string> other_stats;
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| - SplitString(stats_data.substr(close_parens_idx + 2), ' ', &other_stats);
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| - for (size_t i = 0; i < other_stats.size(); ++i)
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| - proc_stats->push_back(other_stats[i]);
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| - return true;
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| -}
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| -
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| -typedef std::map<std::string, std::string> ProcStatMap;
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| -void ParseProcStat(const std::string& contents, ProcStatMap* output) {
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| - StringPairs key_value_pairs;
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| - SplitStringIntoKeyValuePairs(contents, ' ', '\n', &key_value_pairs);
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| - for (size_t i = 0; i < key_value_pairs.size(); ++i) {
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| - output->insert(key_value_pairs[i]);
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| - }
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| -}
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| -
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| -int64 GetProcStatsFieldAsInt64(const std::vector<std::string>& proc_stats,
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| - ProcStatsFields field_num) {
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| - DCHECK_GE(field_num, VM_PPID);
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| - CHECK_LT(static_cast<size_t>(field_num), proc_stats.size());
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| -
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| - int64 value;
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| - return StringToInt64(proc_stats[field_num], &value) ? value : 0;
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| -}
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| -
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| -size_t GetProcStatsFieldAsSizeT(const std::vector<std::string>& proc_stats,
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| - ProcStatsFields field_num) {
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| - DCHECK_GE(field_num, VM_PPID);
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| - CHECK_LT(static_cast<size_t>(field_num), proc_stats.size());
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| -
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| - size_t value;
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| - return StringToSizeT(proc_stats[field_num], &value) ? value : 0;
|
| -}
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| -
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| -int64 ReadProcStatsAndGetFieldAsInt64(pid_t pid, ProcStatsFields field_num) {
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| - std::string stats_data;
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| - if (!ReadProcStats(pid, &stats_data))
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| - return 0;
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| - std::vector<std::string> proc_stats;
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| - if (!ParseProcStats(stats_data, &proc_stats))
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| - return 0;
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| - return GetProcStatsFieldAsInt64(proc_stats, field_num);
|
| -}
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| -
|
| -size_t ReadProcStatsAndGetFieldAsSizeT(pid_t pid,
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| - ProcStatsFields field_num) {
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| - std::string stats_data;
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| - if (!ReadProcStats(pid, &stats_data))
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| - return 0;
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| - std::vector<std::string> proc_stats;
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| - if (!ParseProcStats(stats_data, &proc_stats))
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| - return 0;
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| - return GetProcStatsFieldAsSizeT(proc_stats, field_num);
|
| -}
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| -
|
| -Time GetBootTime() {
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| - FilePath path("/proc/stat");
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| - std::string contents;
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| - if (!ReadProcFile(path, &contents))
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| - return Time();
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| - ProcStatMap proc_stat;
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| - ParseProcStat(contents, &proc_stat);
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| - ProcStatMap::const_iterator btime_it = proc_stat.find("btime");
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| - if (btime_it == proc_stat.end())
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| - return Time();
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| - int btime;
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| - if (!StringToInt(btime_it->second, &btime))
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| - return Time();
|
| - return Time::FromTimeT(btime);
|
| -}
|
| -
|
| -TimeDelta ClockTicksToTimeDelta(int clock_ticks) {
|
| - // This queries the /proc-specific scaling factor which is
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| - // conceptually the system hertz. To dump this value on another
|
| - // system, try
|
| - // od -t dL /proc/self/auxv
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| - // and look for the number after 17 in the output; mine is
|
| - // 0000040 17 100 3 134512692
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| - // which means the answer is 100.
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| - // It may be the case that this value is always 100.
|
| - static const int kHertz = sysconf(_SC_CLK_TCK);
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| -
|
| - return TimeDelta::FromMicroseconds(
|
| - Time::kMicrosecondsPerSecond * clock_ticks / kHertz);
|
| -}
|
| -
|
| -} // namespace internal
|
| -} // namespace base
|
|
|