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forked from 0ad/0ad
0ad/source/lib/file/common/file_stats.h
janwas 63086f4e26 part3: now functional file loading code (not entirely finalized)
(too many changes to list..)

moved tex_* files to lib/tex
archive builder and hotloading modules are disabled.\

This was SVN commit r5518.
2007-12-20 20:14:21 +00:00

106 lines
2.8 KiB
C++

/**
* =========================================================================
* File : file_stats.h
* Project : 0 A.D.
* Description : gathers statistics from all file modules.
* =========================================================================
*/
// license: GPL; see lib/license.txt
#ifndef INCLUDED_FILE_STATS
#define INCLUDED_FILE_STATS
#define FILE_STATS_ENABLED 1
enum FileIOImplentation { FI_LOWIO, FI_AIO, FI_BCACHE, FI_MAX_IDX };
enum FileOp { FO_READ, FO_WRITE };
enum CacheRet { CR_HIT, CR_MISS };
#include "lib/file/io/block_cache.h" // BlockId
#if FILE_STATS_ENABLED
// vfs
extern void stats_vfs_file_add(size_t file_size);
extern void stats_vfs_file_remove(size_t file_size);
extern void stats_vfs_init_start();
extern void stats_vfs_init_finish();
// file
// currently not called because string_pool is now in lib/allocators
extern void stats_unique_name(size_t name_len);
extern void stats_open();
extern void stats_close();
// file_buf
extern void stats_buf_alloc(size_t size, size_t alignedSize);
extern void stats_buf_free();
extern void stats_buf_ref();
// file_io
extern void stats_io_user_request(size_t user_size);
// this is used to measure effective throughput for the two
// synchronous IO variants.
// note: improved measurements of the actual aio throughput by instrumenting
// issue/wait doesn't work because IOManager's decompression may cause us to
// miss the exact end of IO, thus throwing off measurements.
class ScopedIoMonitor
{
public:
ScopedIoMonitor();
~ScopedIoMonitor();
void NotifyOfSuccess(FileIOImplentation fi, char mode, size_t size);
private:
double m_startTime;
};
extern void stats_io_check_seek(BlockId& blockId);
extern void stats_cb_start();
extern void stats_cb_finish();
// file_cache
extern void stats_cache(CacheRet cr, size_t size);
extern void stats_block_cache(CacheRet cr);
// archive builder
extern void stats_ab_connection(bool already_exists);
extern void file_stats_dump();
#else
#define stats_vfs_file_add(file_size)
#define stats_vfs_file_remove(file_size)
#define stats_vfs_init_start()
#define stats_vfs_init_finish()
#define stats_unique_name(name_len)
#define stats_open()
#define stats_close()
#define stats_buf_alloc(size, alignedSize)
#define stats_buf_free()
#define stats_buf_ref()
#define stats_io_user_request(user_size)
class ScopedIoMonitor
{
public:
ScopedIoMonitor() {}
~ScopedIoMonitor() {}
void NotifyOfSuccess(FileIOImplentation fi, char mode, size_t size) {}
};
#define stats_io_check_seek(blockId)
#define stats_cb_start()
#define stats_cb_finish()
#define stats_cache(cr, size)
#define stats_block_cache(cr)
#define stats_ab_connection(already_exists)
#define file_stats_dump()
#endif
#endif // #ifndef INCLUDED_FILE_STATS