xref: /linux/tools/perf/bench/bench.h (revision 51876bd45263f62083bbb823220bfb48909f313a)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef BENCH_H
3 #define BENCH_H
4 
5 #include <sys/time.h>
6 
7 extern struct timeval bench__start, bench__end, bench__runtime;
8 
9 /*
10  * The madvise transparent hugepage constants were added in glibc
11  * 2.13. For compatibility with older versions of glibc, define these
12  * tokens if they are not already defined.
13  *
14  * PA-RISC uses different madvise values from other architectures and
15  * needs to be special-cased.
16  */
17 #ifdef __hppa__
18 # ifndef MADV_HUGEPAGE
19 #  define MADV_HUGEPAGE		67
20 # endif
21 # ifndef MADV_NOHUGEPAGE
22 #  define MADV_NOHUGEPAGE	68
23 # endif
24 #else
25 # ifndef MADV_HUGEPAGE
26 #  define MADV_HUGEPAGE		14
27 # endif
28 # ifndef MADV_NOHUGEPAGE
29 #  define MADV_NOHUGEPAGE	15
30 # endif
31 #endif
32 
33 int bench_numa(int argc, const char **argv);
34 int bench_sched_messaging(int argc, const char **argv);
35 int bench_sched_pipe(int argc, const char **argv);
36 int bench_mem_memcpy(int argc, const char **argv);
37 int bench_mem_memset(int argc, const char **argv);
38 int bench_futex_hash(int argc, const char **argv);
39 int bench_futex_wake(int argc, const char **argv);
40 int bench_futex_wake_parallel(int argc, const char **argv);
41 int bench_futex_requeue(int argc, const char **argv);
42 /* pi futexes */
43 int bench_futex_lock_pi(int argc, const char **argv);
44 int bench_epoll_wait(int argc, const char **argv);
45 int bench_epoll_ctl(int argc, const char **argv);
46 int bench_synthesize(int argc, const char **argv);
47 int bench_kallsyms_parse(int argc, const char **argv);
48 
49 #define BENCH_FORMAT_DEFAULT_STR	"default"
50 #define BENCH_FORMAT_DEFAULT		0
51 #define BENCH_FORMAT_SIMPLE_STR		"simple"
52 #define BENCH_FORMAT_SIMPLE		1
53 
54 #define BENCH_FORMAT_UNKNOWN		-1
55 
56 extern int bench_format;
57 extern unsigned int bench_repeat;
58 
59 #ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
60 #include <pthread.h>
61 #include <linux/compiler.h>
62 static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
63 					      size_t cpusetsize __maybe_unused,
64 					      cpu_set_t *cpuset __maybe_unused)
65 {
66 	return 0;
67 }
68 #endif
69 
70 #endif
71