xref: /aosp_15_r20/external/bcc/libbpf-tools/biostacks.h (revision 387f9dfdfa2baef462e92476d413c7bc2470293e)
1*387f9dfdSAndroid Build Coastguard Worker /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2*387f9dfdSAndroid Build Coastguard Worker #ifndef __BIOSTACKS_H
3*387f9dfdSAndroid Build Coastguard Worker #define __BIOSTACKS_H
4*387f9dfdSAndroid Build Coastguard Worker 
5*387f9dfdSAndroid Build Coastguard Worker #define DISK_NAME_LEN	32
6*387f9dfdSAndroid Build Coastguard Worker #define TASK_COMM_LEN	16
7*387f9dfdSAndroid Build Coastguard Worker #define MAX_SLOTS	20
8*387f9dfdSAndroid Build Coastguard Worker #define MAX_STACK	20
9*387f9dfdSAndroid Build Coastguard Worker 
10*387f9dfdSAndroid Build Coastguard Worker #define MINORBITS	20
11*387f9dfdSAndroid Build Coastguard Worker #define MINORMASK	((1U << MINORBITS) - 1)
12*387f9dfdSAndroid Build Coastguard Worker 
13*387f9dfdSAndroid Build Coastguard Worker #define MKDEV(ma, mi)	(((ma) << MINORBITS) | (mi))
14*387f9dfdSAndroid Build Coastguard Worker 
15*387f9dfdSAndroid Build Coastguard Worker struct rqinfo {
16*387f9dfdSAndroid Build Coastguard Worker 	__u32 pid;
17*387f9dfdSAndroid Build Coastguard Worker 	int kern_stack_size;
18*387f9dfdSAndroid Build Coastguard Worker 	__u64 kern_stack[MAX_STACK];
19*387f9dfdSAndroid Build Coastguard Worker 	char comm[TASK_COMM_LEN];
20*387f9dfdSAndroid Build Coastguard Worker 	__u32 dev;
21*387f9dfdSAndroid Build Coastguard Worker };
22*387f9dfdSAndroid Build Coastguard Worker 
23*387f9dfdSAndroid Build Coastguard Worker struct hist {
24*387f9dfdSAndroid Build Coastguard Worker 	__u32 slots[MAX_SLOTS];
25*387f9dfdSAndroid Build Coastguard Worker };
26*387f9dfdSAndroid Build Coastguard Worker 
27*387f9dfdSAndroid Build Coastguard Worker #endif /* __BIOSTACKS_H */
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