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/***************************************************************************
* tools/stxxl_tool.cpp
*
* Part of the STXXL. See http://stxxl.sourceforge.net
*
* Copyright (C) 2007, 2009-2011 Andreas Beckmann <beckmann@cs.uni-frankfurt.de>
* Copyright (C) 2013 Timo Bingmann <tb@panthema.net>
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
**************************************************************************/
#include <stxxl/io>
#include <stxxl/mng>
#include <stxxl/version.h>
#include <stxxl/bits/common/utils.h>
#include <stxxl/bits/common/cmdline.h>
#include <stxxl/bits/parallel.h>
int stxxl_info(int, char**)
{
stxxl::config::get_instance();
stxxl::block_manager::get_instance();
stxxl::stats::get_instance();
stxxl::disk_queues::get_instance();
#if STXXL_PARALLEL
STXXL_MSG("STXXL_PARALLEL, max threads = " << omp_get_max_threads());
#endif
STXXL_MSG("sizeof(unsigned int) = " << sizeof(unsigned int));
STXXL_MSG("sizeof(unsigned_type) = " << sizeof(stxxl::unsigned_type));
STXXL_MSG("sizeof(uint64) = " << sizeof(stxxl::uint64));
STXXL_MSG("sizeof(long) = " << sizeof(long));
STXXL_MSG("sizeof(size_t) = " << sizeof(size_t));
STXXL_MSG("sizeof(off_t) = " << sizeof(off_t));
STXXL_MSG("sizeof(void*) = " << sizeof(void*));
#if defined(STXXL_HAVE_AIO_FILE)
STXXL_MSG("STXXL_HAVE_AIO_FILE = " << STXXL_HAVE_AIO_FILE);
#endif
return 0;
}
extern int create_files(int argc, char* argv[]);
extern int benchmark_disks(int argc, char* argv[]);
extern int benchmark_files(int argc, char* argv[]);
extern int benchmark_sort(int argc, char* argv[]);
extern int benchmark_disks_random(int argc, char* argv[]);
extern int benchmark_pqueue(int argc, char* argv[]);
extern int do_mlock(int argc, char* argv[]);
extern int do_mallinfo(int argc, char* argv[]);
struct SubTool
{
const char* name;
int (* func)(int argc, char* argv[]);
bool shortline;
const char* description;
};
struct SubTool subtools[] = {
{
"info", &stxxl_info, false,
"Print out information about the build system and which optional "
"modules where compiled into STXXL."
},
{
"create_files", &create_files, false,
"Precreate large files to keep file system allocation time out to measurements."
},
{
"benchmark_disks", &benchmark_disks, false,
"This program will benchmark the disks configured by the standard "
".stxxl disk configuration files mechanism."
},
{
"benchmark_files", &benchmark_files, false,
"Benchmark different file access methods, e.g. syscall or mmap_files."
},
{
"benchmark_sort", &benchmark_sort, false,
"Run benchmark tests of different sorting methods in STXXL"
},
{
"benchmark_disks_random", &benchmark_disks_random, false,
"Benchmark random block access time to .stxxl configured disks."
},
{
"benchmark_pqueue", &benchmark_pqueue, false,
"Benchmark priority queue implementation using sequence of operations."
},
{
"mlock", &do_mlock, true,
"Lock physical memory."
},
{
"mallinfo", &do_mallinfo, true,
"Show mallinfo statistics."
},
{ NULL, NULL, false, NULL }
};
int main_usage(const char* arg0)
{
STXXL_MSG(stxxl::get_version_string_long());
std::cout << "Usage: " << arg0 << " <subtool> ..." << std::endl
<< "Available subtools: " << std::endl;
size_t shortlen = 0;
for (unsigned int i = 0; subtools[i].name; ++i)
{
if (!subtools[i].shortline) continue;
shortlen = std::max(shortlen, strlen(subtools[i].name));
}
for (unsigned int i = 0; subtools[i].name; ++i)
{
if (subtools[i].shortline) continue;
std::cout << " " << subtools[i].name << std::endl;
stxxl::cmdline_parser::output_wrap(std::cout, subtools[i].description, 80, 6, 6);
std::cout << std::endl;
}
for (unsigned int i = 0; subtools[i].name; ++i)
{
if (!subtools[i].shortline) continue;
std::cout << " " << std::left << std::setw(shortlen + 2)
<< subtools[i].name << subtools[i].description << std::endl;
}
std::cout << std::endl;
return 0;
}
int main(int argc, char** argv)
{
char progsub[256];
if (stxxl::check_library_version() != 0)
STXXL_ERRMSG("version mismatch between headers and library");
if (argc > 1)
{
for (unsigned int i = 0; subtools[i].name; ++i)
{
if (strcmp(subtools[i].name, argv[1]) == 0)
{
// replace argv[1] with call string of subtool.
snprintf(progsub, sizeof(progsub), "%s %s", argv[0], argv[1]);
argv[1] = progsub;
return subtools[i].func(argc - 1, argv + 1);
}
}
std::cout << "Unknown subtool '" << argv[1] << "'" << std::endl;
}
return main_usage(argv[0]);
}
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