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boinc/client/cs_benchmark.C

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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#include "cpp.h"
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
#if HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "error_numbers.h"
#include "file_names.h"
#include "filesys.h"
#include "cpu_benchmark.h"
#include "client_state.h"
extern void guiOnBenchmarksBegin();
extern void guiOnBenchmarksEnd();
#define BENCHMARK_PERIOD (SECONDS_PER_DAY*30)
// rerun CPU benchmarks this often (hardware may have been upgraded)
void CLIENT_STATE::fork_run_cpu_benchmarks() {
cpu_benchmarks_start = time(0);
msg_printf(NULL, MSG_INFO, "Running CPU benchmarks");
#ifdef _WIN32
cpu_benchmarks_handle = CreateThread(
NULL, 0, win_cpu_benchmarks, NULL, 0, &cpu_benchmarks_id
);
#else
cpu_benchmarks_id = fork();
if (cpu_benchmarks_id == 0) {
_exit(cpu_benchmarks());
}
#endif
}
// Returns true if CPU benchmarks should be run:
// flag is set or it's been a month since we last ran
//
bool CLIENT_STATE::should_run_cpu_benchmarks() {
// Note: we if skip_cpu_benchmarks we still should "run" cpu benchmarks
// (we'll just use default values in cpu_benchmarks())
return (
run_cpu_benchmarks ||
(difftime(time(0), (time_t)host_info.p_calculated) > BENCHMARK_PERIOD)
);
}
#ifdef _WIN32
DWORD WINAPI CLIENT_STATE::win_cpu_benchmarks(LPVOID) {
return gstate.cpu_benchmarks();
}
#endif
// gets info about the host
// NOTE: this locks up the process for 10-20 seconds,
// so it should be called very seldom
//
int CLIENT_STATE::cpu_benchmarks() {
HOST_INFO host_info;
FILE* finfo;
double fpop_test_secs = 3.3;
double iop_test_secs = 3.3;
double mem_test_secs = 3.3;
ScopeMessages scope_messages(log_messages, ClientMessages::DEBUG_MEASUREMENT);
scope_messages.printf("CLIENT_STATE::cpu_benchmarks(): Running CPU benchmarks.\n");
guiOnBenchmarksBegin();
clear_host_info(host_info);
++log_messages;
if (skip_cpu_benchmarks) {
scope_messages.printf("CLIENT_STATE::cpu_benchmarks(): Skipping CPU benchmarks.\n");
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
} else {
scope_messages.printf(
"CLIENT_STATE::cpu_benchmarks(): Running floating point test for about %.1f seconds.\n",
fpop_test_secs
);
host_info.p_fpop_err = run_double_prec_test(fpop_test_secs, host_info.p_fpops);
scope_messages.printf(
"CLIENT_STATE::cpu_benchmarks(): Running integer test for about %.1f seconds.\n",
iop_test_secs
);
host_info.p_iop_err = run_int_test(iop_test_secs, host_info.p_iops);
scope_messages.printf(
"CLIENT_STATE::cpu_benchmarks(): Running memory bandwidth test for about %.1f seconds.\n",
mem_test_secs
);
host_info.p_membw_err = run_mem_bandwidth_test(mem_test_secs, host_info.p_membw);
// need to check cache!!
host_info.m_cache = 1e6;
msg_printf(NULL, MSG_INFO, "Benchmark results: FP: %.0f million op/sec%s; Int: %.0f million op/sec%s; Mem BW: %.0f million bytes/sec%s",
host_info.p_fpops/1e6, (host_info.p_fpop_err?" [ERROR]":""),
host_info.p_iops/1e6, (host_info.p_iop_err?" [ERROR]":""),
host_info.p_membw/1e6, (host_info.p_membw_err?" [ERROR]":"")
);
}
host_info.p_calculated = (double)time(0);
finfo = fopen(CPU_BENCHMARKS_FILE_NAME, "w");
if(!finfo) return ERR_FOPEN;
host_info.write_cpu_benchmarks(finfo);
fclose(finfo);
guiOnBenchmarksEnd();
--log_messages;
return 0;
}
// checks if the CPU benchmarks are running
//
int CLIENT_STATE::check_cpu_benchmarks() {
FILE* finfo;
int retval;
if (cpu_benchmarks_id) {
#ifdef _WIN32
DWORD exit_code = 0;
GetExitCodeThread(cpu_benchmarks_handle, &exit_code);
if(exit_code == STILL_ACTIVE) {
if(time(NULL) > cpu_benchmarks_start + MAX_CPU_BENCHMARKS_SECONDS) {
msg_printf(NULL, MSG_ERROR, "CPU benchmarks timed out, using default values");
TerminateThread(cpu_benchmarks_handle, 0);
CloseHandle(cpu_benchmarks_handle);
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
cpu_benchmarks_id = 0;
return CPU_BENCHMARKS_ERROR;
}
return CPU_BENCHMARKS_RUNNING;
}
CloseHandle(cpu_benchmarks_handle);
guiOnBenchmarksEnd();
#else
int exit_code = 0;
retval = waitpid(cpu_benchmarks_id, &exit_code, WNOHANG);
if(retval == 0) {
if((unsigned int)time(NULL) > cpu_benchmarks_start + MAX_CPU_BENCHMARKS_SECONDS) {
msg_printf(NULL, MSG_ERROR, "CPU benchmarks timed out, using default values");
kill(cpu_benchmarks_id, SIGKILL);
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
cpu_benchmarks_id = 0;
return CPU_BENCHMARKS_ERROR;
}
return CPU_BENCHMARKS_RUNNING;
}
#endif
cpu_benchmarks_id = 0;
msg_printf(NULL, MSG_INFO, "CPU benchmarks complete");
finfo = fopen(CPU_BENCHMARKS_FILE_NAME, "r");
if (!finfo) {
msg_printf(NULL, MSG_ERROR, "Can't open CPU benchmark file, using default values");
host_info.p_fpops = 1e9;
host_info.p_iops = 1e9;
host_info.p_membw = 4e9;
host_info.m_cache = 1e6;
return CPU_BENCHMARKS_ERROR;
}
retval = host_info.parse_cpu_benchmarks(finfo);
fclose(finfo);
if (retval) return CPU_BENCHMARKS_ERROR;
file_delete(CPU_BENCHMARKS_FILE_NAME);
return CPU_BENCHMARKS_COMPLETE;
}
return CPU_BENCHMARKS_NOT_RUNNING;
}
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