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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2011 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/>.
// platform-independent process-enumeration functions
#if defined(_WIN32) && !defined(__STDWX_H__)
#include "boinc_win.h"
#include "win_util.h"
#elif defined(_WIN32) && defined(__STDWX_H__)
#include "stdwx.h"
#else
#include "config.h"
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <string.h>
#include <signal.h>
#endif
#include "util.h"
#include "procinfo.h"
using std::vector;
// Scan the process table adding in CPU time and mem usage.
//
void add_child_totals(PROCINFO& procinfo, PROC_MAP& pm, PROC_MAP::iterator i) {
PROCINFO parent = i->second;
for (unsigned int j=0; j<parent.children.size(); j++) {
int child_pid = parent.children[j];
PROC_MAP::iterator i2 = pm.find(child_pid);
if (i2 == pm.end()) continue;
PROCINFO& p = i2->second;
if (p.scanned) {
return; // cycle in graph - shouldn't happen
}
procinfo.kernel_time += p.kernel_time;
procinfo.user_time += p.user_time;
p.scanned = true;
// only count process with most swap and memory
if (p.swap_size > procinfo.swap_size) {
procinfo.swap_size = p.swap_size;
}
if (p.working_set_size > procinfo.working_set_size) {
procinfo.working_set_size = p.working_set_size;
}
p.is_boinc_app = true;
add_child_totals(procinfo, pm, i2); // recursion - woo hoo!
}
}
// Fill in the given PROCINFO (initially zero except for id)
// with totals from that process and all its descendants.
// Set PROCINFO.is_boinc_app for all of them.
//
void procinfo_app(
PROCINFO& procinfo, vector<int>* other_pids, PROC_MAP& pm, char* graphics_exec_file
) {
PROC_MAP::iterator i;
for (i=pm.begin(); i!=pm.end(); ++i) {
PROCINFO& p = i->second;
if (p.id == procinfo.id
|| (other_pids && in_vector(p.id, *other_pids))
) {
procinfo.kernel_time += p.kernel_time;
procinfo.user_time += p.user_time;
procinfo.swap_size += p.swap_size;
procinfo.working_set_size += p.working_set_size;
p.is_boinc_app = true;
p.scanned = true;
// look for child processes
//
add_child_totals(procinfo, pm, i);
}
if (graphics_exec_file && !strcmp(p.command, graphics_exec_file)) {
p.is_boinc_app = true;
}
}
}
void find_children(PROC_MAP& pm) {
PROC_MAP::iterator i;
for (i=pm.begin(); i!=pm.end(); ++i) {
int parentid = i->second.parentid;
PROC_MAP::iterator j = pm.find(parentid);
if (j == pm.end()) continue; // should never happen
j->second.children.push_back(i->first);
}
}
// get resource usage of non-BOINC apps
//
void procinfo_non_boinc(PROCINFO& procinfo, PROC_MAP& pm) {
procinfo.clear();
PROC_MAP::iterator i;
for (i=pm.begin(); i!=pm.end(); ++i) {
PROCINFO& p = i->second;
#ifdef _WIN32
if (p.id == 0) continue; // idle process
#endif
if (p.is_boinc_app) continue;
if (p.is_low_priority) continue;
// count VirtualBox process as BOINC;
// on some systems they use nontrivial CPU time
// TODO: do this only if we're running a vbox app
//
if (strstr(p.command, "VBoxSVC")) continue;
if (strstr(p.command, "VBoxXPCOMIPCD")) continue;
#if 0
if (p.user_time > .1) {
fprintf(stderr, "non-boinc: %s (%d) %f %f\n", p.command, p.id, p.user_time, p.kernel_time);
}
#endif
procinfo.kernel_time += p.kernel_time;
procinfo.user_time += p.user_time;
procinfo.swap_size += p.swap_size;
procinfo.working_set_size += p.working_set_size;
}
#if 0
fprintf(stderr, "total non-boinc: %f %f\n", procinfo.user_time, procinfo.kernel_time);
#endif
}
double process_tree_cpu_time(int pid) {
PROC_MAP pm;
PROCINFO procinfo;
int retval;
retval = procinfo_setup(pm);
if (retval) return 0;
procinfo.clear();
procinfo.id = pid;
procinfo_app(procinfo, NULL, pm, NULL);
return procinfo.user_time + procinfo.kernel_time;
}
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