68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
#ifndef FILE_STATS_H__
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#define FILE_STATS_H__
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#define FILE_STATS_ENABLED 1
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enum FileIOImplentation { FI_LOWIO, FI_AIO, FI_BCACHE, FI_MAX_IDX };
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enum FileOp { FO_READ, FO_WRITE };
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enum CacheRet { CR_HIT, CR_MISS };
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#if FILE_STATS_ENABLED
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// vfs
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extern void stats_vfs_file_add(size_t file_size);
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extern void stats_vfs_file_remove(size_t file_size);
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extern void stats_vfs_init_start();
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extern void stats_vfs_init_finish();
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// file
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extern void stats_unique_name(size_t name_len);
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extern void stats_open(const char* atom_fn, size_t file_size);
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extern void stats_close();
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// file_buf
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extern void stats_buf_alloc(size_t user_size, size_t padded_size);
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extern void stats_buf_free();
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extern void stats_buf_ref();
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// file_io
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extern void stats_user_io(size_t user_size);
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extern void stats_io_start(FileIOImplentation fi, FileOp fo,
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size_t actual_size, BlockId disk_pos, double* start_time_storage);
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extern void stats_io_finish(FileIOImplentation fi, FileOp fo, double* start_time_storage);
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extern void stats_cb_start();
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extern void stats_cb_finish();
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// file_cache
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extern void stats_cache(CacheRet cr, size_t size, const char* atom_fn);
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extern void stats_block_cache(CacheRet cr);
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extern void stats_dump();
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#else
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#define stats_vfs_file_add(file_size)
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#define stats_vfs_file_remove(file_size)
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#define stats_vfs_init_start()
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#define stats_vfs_init_finish()
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#define stats_unique_name(name_len)
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#define stats_open(atom_fn, file_size)
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#define stats_close()
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#define stats_buf_alloc(user_size, padded_size)
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#define stats_buf_free()
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#define stats_buf_ref()
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#define stats_user_io(user_size)
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#define stats_io_start(fi, fo, actual_size, disk_pos, start_time_storage)
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#define stats_io_finish(fi, fo, start_time_storage)
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#define stats_cb_start()
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#define stats_cb_finish()
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#define stats_cache(cr, size, atom_fn)
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#define stats_block_cache(cr)
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#define stats_dump()
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#endif
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#endif // #ifndef FILE_STATS_H__
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