xref: /aosp_15_r20/external/bcc/libbpf-tools/biolatency.h (revision 387f9dfdfa2baef462e92476d413c7bc2470293e)
1*387f9dfdSAndroid Build Coastguard Worker /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2*387f9dfdSAndroid Build Coastguard Worker #ifndef __BIOLATENCY_H
3*387f9dfdSAndroid Build Coastguard Worker #define __BIOLATENCY_H
4*387f9dfdSAndroid Build Coastguard Worker 
5*387f9dfdSAndroid Build Coastguard Worker #define DISK_NAME_LEN	32
6*387f9dfdSAndroid Build Coastguard Worker #define MAX_SLOTS	27
7*387f9dfdSAndroid Build Coastguard Worker 
8*387f9dfdSAndroid Build Coastguard Worker #define MINORBITS	20
9*387f9dfdSAndroid Build Coastguard Worker #define MINORMASK	((1U << MINORBITS) - 1)
10*387f9dfdSAndroid Build Coastguard Worker 
11*387f9dfdSAndroid Build Coastguard Worker #define MKDEV(ma, mi)	(((ma) << MINORBITS) | (mi))
12*387f9dfdSAndroid Build Coastguard Worker 
13*387f9dfdSAndroid Build Coastguard Worker struct hist_key {
14*387f9dfdSAndroid Build Coastguard Worker 	__u32 cmd_flags;
15*387f9dfdSAndroid Build Coastguard Worker 	__u32 dev;
16*387f9dfdSAndroid Build Coastguard Worker };
17*387f9dfdSAndroid Build Coastguard Worker 
18*387f9dfdSAndroid Build Coastguard Worker struct hist {
19*387f9dfdSAndroid Build Coastguard Worker 	__u32 slots[MAX_SLOTS];
20*387f9dfdSAndroid Build Coastguard Worker };
21*387f9dfdSAndroid Build Coastguard Worker 
22*387f9dfdSAndroid Build Coastguard Worker #endif /* __BIOLATENCY_H */
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