boinc/client/time_stats.h

66 lines
2.1 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
#ifndef _TIME_STATS_
#define _TIME_STATS_
#include "miofile.h"
#include <vector>
class TIME_STATS {
bool first;
int previous_connected_state;
public:
double last_update;
// we maintain an exponentially weighted average of these quantities:
double on_frac;
// the fraction of total time this host runs the core client
double connected_frac;
// of the time this host runs the core client,
// the fraction it is connected to the Internet,
// or -1 if not known
double active_frac;
// of the time this host runs the core client,
// the fraction it is enabled to work
// (as determined by preferences, manual suspend/resume, etc.)
double cpu_efficiency;
// The ratio between CPU time accumulated by BOINC apps
// and the wall time those apps are scheduled at the OS level.
// May be less than one if
// 1) apps page or do I/O
// 2) other CPU-intensive apps run
FILE* time_stats_log;
double inactive_start;
void update(int suspend_reason);
void update_cpu_efficiency(double cpu_wall_time, double cpu_time);
TIME_STATS();
int write(MIOFILE&, bool to_server);
int parse(MIOFILE&);
void log_append(const char*, double);
void log_append_net(int);
void trim_stats_log();
void get_log_after(double, MIOFILE&);
void start();
void quit();
};
#endif