1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <stdio.h>
4 #include <string.h>
5 #include <sdt.h>
6
7 #define __PASTE(a, b) a##b
8 #define PASTE(a, b) __PASTE(a, b)
9
10 #define NAME(name, idx) PASTE(name, idx)
11
12 #define DEF(name, idx) int NAME(name, idx)(void) { return 0; }
13 #define CALL(name, idx) NAME(name, idx)();
14
15 #define F(body, name, idx) body(name, idx)
16
17 #define F10(body, name, idx) \
18 F(body, PASTE(name, idx), 0) F(body, PASTE(name, idx), 1) F(body, PASTE(name, idx), 2) \
19 F(body, PASTE(name, idx), 3) F(body, PASTE(name, idx), 4) F(body, PASTE(name, idx), 5) \
20 F(body, PASTE(name, idx), 6) F(body, PASTE(name, idx), 7) F(body, PASTE(name, idx), 8) \
21 F(body, PASTE(name, idx), 9)
22
23 #define F100(body, name, idx) \
24 F10(body, PASTE(name, idx), 0) F10(body, PASTE(name, idx), 1) F10(body, PASTE(name, idx), 2) \
25 F10(body, PASTE(name, idx), 3) F10(body, PASTE(name, idx), 4) F10(body, PASTE(name, idx), 5) \
26 F10(body, PASTE(name, idx), 6) F10(body, PASTE(name, idx), 7) F10(body, PASTE(name, idx), 8) \
27 F10(body, PASTE(name, idx), 9)
28
29 #define F1000(body, name, idx) \
30 F100(body, PASTE(name, idx), 0) F100(body, PASTE(name, idx), 1) F100(body, PASTE(name, idx), 2) \
31 F100(body, PASTE(name, idx), 3) F100(body, PASTE(name, idx), 4) F100(body, PASTE(name, idx), 5) \
32 F100(body, PASTE(name, idx), 6) F100(body, PASTE(name, idx), 7) F100(body, PASTE(name, idx), 8) \
33 F100(body, PASTE(name, idx), 9)
34
35 #define F10000(body, name, idx) \
36 F1000(body, PASTE(name, idx), 0) F1000(body, PASTE(name, idx), 1) F1000(body, PASTE(name, idx), 2) \
37 F1000(body, PASTE(name, idx), 3) F1000(body, PASTE(name, idx), 4) F1000(body, PASTE(name, idx), 5) \
38 F1000(body, PASTE(name, idx), 6) F1000(body, PASTE(name, idx), 7) F1000(body, PASTE(name, idx), 8) \
39 F1000(body, PASTE(name, idx), 9)
40
41 F10000(DEF, uprobe_multi_func_, 0)
42 F10000(DEF, uprobe_multi_func_, 1)
43 F10000(DEF, uprobe_multi_func_, 2)
44 F10000(DEF, uprobe_multi_func_, 3)
45 F10000(DEF, uprobe_multi_func_, 4)
46
bench(void)47 static int bench(void)
48 {
49 F10000(CALL, uprobe_multi_func_, 0)
50 F10000(CALL, uprobe_multi_func_, 1)
51 F10000(CALL, uprobe_multi_func_, 2)
52 F10000(CALL, uprobe_multi_func_, 3)
53 F10000(CALL, uprobe_multi_func_, 4)
54 return 0;
55 }
56
57 #define PROBE STAP_PROBE(test, usdt);
58
59 #define PROBE10 PROBE PROBE PROBE PROBE PROBE \
60 PROBE PROBE PROBE PROBE PROBE
61 #define PROBE100 PROBE10 PROBE10 PROBE10 PROBE10 PROBE10 \
62 PROBE10 PROBE10 PROBE10 PROBE10 PROBE10
63 #define PROBE1000 PROBE100 PROBE100 PROBE100 PROBE100 PROBE100 \
64 PROBE100 PROBE100 PROBE100 PROBE100 PROBE100
65 #define PROBE10000 PROBE1000 PROBE1000 PROBE1000 PROBE1000 PROBE1000 \
66 PROBE1000 PROBE1000 PROBE1000 PROBE1000 PROBE1000
67
usdt(void)68 static int usdt(void)
69 {
70 PROBE10000
71 PROBE10000
72 PROBE10000
73 PROBE10000
74 PROBE10000
75 return 0;
76 }
77
main(int argc,char ** argv)78 int main(int argc, char **argv)
79 {
80 if (argc != 2)
81 goto error;
82
83 if (!strcmp("bench", argv[1]))
84 return bench();
85 if (!strcmp("usdt", argv[1]))
86 return usdt();
87
88 error:
89 fprintf(stderr, "usage: %s <bench|usdt>\n", argv[0]);
90 return -1;
91 }
92
