Linux Perf
hists_common.h
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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_TESTS__HISTS_COMMON_H__
3 #define __PERF_TESTS__HISTS_COMMON_H__
4 
5 struct machine;
6 struct 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  */
72 
73 void print_hists_in(struct hists *hists);
74 void print_hists_out(struct hists *hists);
75 
76 #endif /* __PERF_TESTS__HISTS_COMMON_H__ */
struct machine * setup_fake_machine(struct machines *machines)
Definition: hists_common.c:83
void print_hists_out(struct hists *hists)
Definition: hists_common.c:191
void print_hists_in(struct hists *hists)
Definition: hists_common.c:161
Definition: hist.h:71