qemu-log: remove -d ioport
[qemu/ar7.git] / include / block / accounting.h
blob66637cdfedda5baa392a5fd07aca5a2dc20d768c
1 /*
2 * QEMU System Emulator block accounting
4 * Copyright (c) 2011 Christoph Hellwig
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #ifndef BLOCK_ACCOUNTING_H
25 #define BLOCK_ACCOUNTING_H
27 #include <stdint.h>
29 #include "qemu/typedefs.h"
31 enum BlockAcctType {
32 BLOCK_ACCT_READ,
33 BLOCK_ACCT_WRITE,
34 BLOCK_ACCT_FLUSH,
35 BLOCK_MAX_IOTYPE,
38 typedef struct BlockAcctStats {
39 uint64_t nr_bytes[BLOCK_MAX_IOTYPE];
40 uint64_t nr_ops[BLOCK_MAX_IOTYPE];
41 uint64_t total_time_ns[BLOCK_MAX_IOTYPE];
42 uint64_t merged[BLOCK_MAX_IOTYPE];
43 } BlockAcctStats;
45 typedef struct BlockAcctCookie {
46 int64_t bytes;
47 int64_t start_time_ns;
48 enum BlockAcctType type;
49 } BlockAcctCookie;
51 void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
52 int64_t bytes, enum BlockAcctType type);
53 void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie);
54 void block_acct_merge_done(BlockAcctStats *stats, enum BlockAcctType type,
55 int num_requests);
57 #endif