1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __PERF_TESTS__HISTS_COMMON_H__
3#define __PERF_TESTS__HISTS_COMMON_H__
4
5struct machine;
6struct machines;
7
8#define FAKE_PID_PERF1 100
9#define FAKE_PID_PERF2 200
10#define FAKE_PID_BASH 300
11
12#define FAKE_MAP_PERF 0x400000
13#define FAKE_MAP_BASH 0x400000
14#define FAKE_MAP_LIBC 0x500000
15#define FAKE_MAP_KERNEL 0xf00000
16#define FAKE_MAP_LENGTH 0x100000
17
18#define FAKE_SYM_OFFSET1 700
19#define FAKE_SYM_OFFSET2 800
20#define FAKE_SYM_OFFSET3 900
21#define FAKE_SYM_LENGTH 100
22
23#define FAKE_IP_PERF_MAIN FAKE_MAP_PERF + FAKE_SYM_OFFSET1
24#define FAKE_IP_PERF_RUN_COMMAND FAKE_MAP_PERF + FAKE_SYM_OFFSET2
25#define FAKE_IP_PERF_CMD_RECORD FAKE_MAP_PERF + FAKE_SYM_OFFSET3
26#define FAKE_IP_BASH_MAIN FAKE_MAP_BASH + FAKE_SYM_OFFSET1
27#define FAKE_IP_BASH_XMALLOC FAKE_MAP_BASH + FAKE_SYM_OFFSET2
28#define FAKE_IP_BASH_XFREE FAKE_MAP_BASH + FAKE_SYM_OFFSET3
29#define FAKE_IP_LIBC_MALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET1
30#define FAKE_IP_LIBC_FREE FAKE_MAP_LIBC + FAKE_SYM_OFFSET2
31#define FAKE_IP_LIBC_REALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET3
32#define FAKE_IP_KERNEL_SCHEDULE FAKE_MAP_KERNEL + FAKE_SYM_OFFSET1
33#define FAKE_IP_KERNEL_PAGE_FAULT FAKE_MAP_KERNEL + FAKE_SYM_OFFSET2
34#define FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN FAKE_MAP_KERNEL + FAKE_SYM_OFFSET3
35
36/*
37 * The setup_fake_machine() provides a test environment which consists
38 * of 3 processes that have 3 mappings and in turn, have 3 symbols
39 * respectively. See below table:
40 *
41 * Command: Pid Shared Object Symbol
42 * ............. ............. ...................
43 * perf: 100 perf main
44 * perf: 100 perf run_command
45 * perf: 100 perf cmd_record
46 * perf: 100 libc malloc
47 * perf: 100 libc free
48 * perf: 100 libc realloc
49 * perf: 100 [kernel] schedule
50 * perf: 100 [kernel] page_fault
51 * perf: 100 [kernel] sys_perf_event_open
52 * perf: 200 perf main
53 * perf: 200 perf run_command
54 * perf: 200 perf cmd_record
55 * perf: 200 libc malloc
56 * perf: 200 libc free
57 * perf: 200 libc realloc
58 * perf: 200 [kernel] schedule
59 * perf: 200 [kernel] page_fault
60 * perf: 200 [kernel] sys_perf_event_open
61 * bash: 300 bash main
62 * bash: 300 bash xmalloc
63 * bash: 300 bash xfree
64 * bash: 300 libc malloc
65 * bash: 300 libc free
66 * bash: 300 libc realloc
67 * bash: 300 [kernel] schedule
68 * bash: 300 [kernel] page_fault
69 * bash: 300 [kernel] sys_perf_event_open
70 */
71struct machine *setup_fake_machine(struct machines *machines);
72
73void print_hists_in(struct hists *hists);
74void print_hists_out(struct hists *hists);
75
76#endif /* __PERF_TESTS__HISTS_COMMON_H__ */
77

source code of linux/tools/perf/tests/hists_common.h