| /* |
| * Copyright (c) International Business Machines Corp., 2001-2004 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef _FFSB_OP_H_ |
| #define _FFSB_OP_H_ |
| |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <inttypes.h> |
| |
| struct ffsb_op_results; |
| struct ffsb_thread; |
| struct ffsb_fs; |
| |
| #define NA 0x00 |
| #define READ 0x01 |
| #define WRITE 0x02 |
| |
| /* This file handles all of the operations FFSB supports. It has |
| * tight interactions with the filesystem objects, but is otherwise |
| * pretty abstract. |
| */ |
| |
| /* The op callback */ |
| typedef void (*ffsb_op_fn)(struct ffsb_thread *, struct ffsb_fs *, |
| unsigned op_num); |
| |
| /* Operation results printing function */ |
| typedef void (*ffsb_op_print_fn)(struct ffsb_op_results *, double secs, |
| unsigned int op_num); |
| |
| /* Operation specific initialization for a filesystem */ |
| typedef void (*ffsb_op_fs_fn)(struct ffsb_fs *, unsigned opnum); |
| |
| typedef struct ffsb_op { |
| unsigned int op_id; |
| char *op_name; |
| ffsb_op_fn op_fn; |
| |
| unsigned int throughput; |
| /* The point of these two fields is to determine which set of |
| * files are being worked on. Currently either data, meta, or |
| * aging. Data and meta are mutually exclusive, so we only |
| * need two funcs. |
| */ |
| ffsb_op_fs_fn op_bench; |
| ffsb_op_fs_fn op_age; |
| } ffsb_op_t; |
| |
| /* List of all operations, located in ffsb_op.c */ |
| extern ffsb_op_t ffsb_op_list[]; |
| |
| /* This *must* be updated when a new operation is added or one is |
| * removed several other structures use it for statically sized arrays |
| */ |
| #define FFSB_NUMOPS (15) |
| |
| /* Returns index of an op. |
| * Returns -1 if opname isn't found, and its case sensitive :) |
| */ |
| int ops_find_op(char *opname); |
| |
| typedef struct ffsb_op_results { |
| /* Count of how many times each op was run */ |
| unsigned int ops[FFSB_NUMOPS]; |
| unsigned int op_weight[FFSB_NUMOPS]; |
| uint64_t bytes[FFSB_NUMOPS]; |
| |
| uint64_t read_bytes; |
| uint64_t write_bytes; |
| } ffsb_op_results_t; |
| |
| void init_ffsb_op_results(struct ffsb_op_results *); |
| void print_results(struct ffsb_op_results *results, double runtime); |
| char *op_get_name(int opnum); |
| |
| /* Setup the ops for the benchmark */ |
| void ops_setup_bench(struct ffsb_fs *fs); |
| |
| /* setup the ops for aging the filesystem */ |
| void ops_setup_age(struct ffsb_fs *fs); |
| |
| void add_results(struct ffsb_op_results *target, struct ffsb_op_results *src); |
| |
| /* Run this op, using this thread state, on this filesystem */ |
| void do_op(struct ffsb_thread *ft, struct ffsb_fs *fs, unsigned op_num); |
| |
| #endif /* _FFSB_OP_H_ */ |
