Parse /proc/<pid>/stats fields as int64

base/process/process_metrics_linux.cc

 // Copyright (c) 2013 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/process_metrics.h"
 
 #include <dirent.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/time.h>
@@ skipping 373 matching lines @@
 }
 
 // Exposed for testing.
 int ParseProcStatCPU(const std::string& input) {
   std::vector<std::string> proc_stats;
   if (!internal::ParseProcStats(input, &proc_stats))
     return -1;
 
   if (proc_stats.size() <= internal::VM_STIME)
     return -1;
-  int utime = GetProcStatsFieldAsInt(proc_stats, internal::VM_UTIME);
-  int stime = GetProcStatsFieldAsInt(proc_stats, internal::VM_STIME);
+  int utime = GetProcStatsFieldAsInt64(proc_stats, internal::VM_UTIME);
+  int stime = GetProcStatsFieldAsInt64(proc_stats, internal::VM_STIME);
   return utime + stime;
 }
 
 const char kProcSelfExe[] = "/proc/self/exe";
 
 int GetNumberOfThreads(ProcessHandle process) {
-  return internal::ReadProcStatsAndGetFieldAsInt(process,
-                                                 internal::VM_NUMTHREADS);
+  return internal::ReadProcStatsAndGetFieldAsInt64(process,
+                                                   internal::VM_NUMTHREADS);
 }
 
 namespace {
 
 // The format of /proc/diskstats is:
 //  Device major number
 //  Device minor number
 //  Device name
 //  Field  1 -- # of reads completed
 //      This is the total number of reads completed successfully.
@@ skipping 460 matching lines @@
   swap_info->num_reads = ReadFileToUint64(zram_path.Append("num_reads"));
   swap_info->num_writes = ReadFileToUint64(zram_path.Append("num_writes"));
   swap_info->compr_data_size =
       ReadFileToUint64(zram_path.Append("compr_data_size"));
   swap_info->mem_used_total =
       ReadFileToUint64(zram_path.Append("mem_used_total"));
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace base