xref: /linux/tools/perf/bench/bench.h (revision b7019ac550eb3916f34d79db583e9b7ea2524afa)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef BENCH_H
3 #define BENCH_H
4 
5 /*
6  * The madvise transparent hugepage constants were added in glibc
7  * 2.13. For compatibility with older versions of glibc, define these
8  * tokens if they are not already defined.
9  *
10  * PA-RISC uses different madvise values from other architectures and
11  * needs to be special-cased.
12  */
13 #ifdef __hppa__
14 # ifndef MADV_HUGEPAGE
15 #  define MADV_HUGEPAGE		67
16 # endif
17 # ifndef MADV_NOHUGEPAGE
18 #  define MADV_NOHUGEPAGE	68
19 # endif
20 #else
21 # ifndef MADV_HUGEPAGE
22 #  define MADV_HUGEPAGE		14
23 # endif
24 # ifndef MADV_NOHUGEPAGE
25 #  define MADV_NOHUGEPAGE	15
26 # endif
27 #endif
28 
29 int bench_numa(int argc, const char **argv);
30 int bench_sched_messaging(int argc, const char **argv);
31 int bench_sched_pipe(int argc, const char **argv);
32 int bench_mem_memcpy(int argc, const char **argv);
33 int bench_mem_memset(int argc, const char **argv);
34 int bench_futex_hash(int argc, const char **argv);
35 int bench_futex_wake(int argc, const char **argv);
36 int bench_futex_wake_parallel(int argc, const char **argv);
37 int bench_futex_requeue(int argc, const char **argv);
38 /* pi futexes */
39 int bench_futex_lock_pi(int argc, const char **argv);
40 
41 int bench_epoll_wait(int argc, const char **argv);
42 int bench_epoll_ctl(int argc, const char **argv);
43 
44 #define BENCH_FORMAT_DEFAULT_STR	"default"
45 #define BENCH_FORMAT_DEFAULT		0
46 #define BENCH_FORMAT_SIMPLE_STR		"simple"
47 #define BENCH_FORMAT_SIMPLE		1
48 
49 #define BENCH_FORMAT_UNKNOWN		-1
50 
51 extern int bench_format;
52 extern unsigned int bench_repeat;
53 
54 #ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
55 #include <pthread.h>
56 #include <linux/compiler.h>
57 static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
58 					      size_t cpusetsize __maybe_unused,
59 					      cpu_set_t *cpuset __maybe_unused)
60 {
61 	return 0;
62 }
63 #endif
64 
65 #endif
66