tools/perf/bench/bench.h

Source file repositories/reference/linux-study-clean/tools/perf/bench/bench.h

File Facts

System
Linux kernel
Corpus path
tools/perf/bench/bench.h
Extension
.h
Size
2703 bytes
Lines
76
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef BENCH_H
#define BENCH_H

#include <sys/time.h>

extern struct timeval bench__start, bench__end, bench__runtime;

/*
 * The madvise transparent hugepage constants were added in glibc
 * 2.13. For compatibility with older versions of glibc, define these
 * tokens if they are not already defined.
 */
# ifndef MADV_HUGEPAGE
#  define MADV_HUGEPAGE		14
# endif
# ifndef MADV_NOHUGEPAGE
#  define MADV_NOHUGEPAGE	15
# endif

int bench_numa(int argc, const char **argv);
int bench_sched_messaging(int argc, const char **argv);
int bench_sched_pipe(int argc, const char **argv);
int bench_sched_seccomp_notify(int argc, const char **argv);
int bench_syscall_basic(int argc, const char **argv);
int bench_syscall_getpgid(int argc, const char **argv);
int bench_syscall_fork(int argc, const char **argv);
int bench_syscall_execve(int argc, const char **argv);
int bench_mem_memcpy(int argc, const char **argv);
int bench_mem_memset(int argc, const char **argv);
int bench_mem_mmap(int argc, const char **argv);
int bench_mem_find_bit(int argc, const char **argv);
int bench_futex_hash(int argc, const char **argv);
int bench_futex_wake(int argc, const char **argv);
int bench_futex_wake_parallel(int argc, const char **argv);
int bench_futex_requeue(int argc, const char **argv);
/* pi futexes */
int bench_futex_lock_pi(int argc, const char **argv);
int bench_epoll_wait(int argc, const char **argv);
int bench_epoll_ctl(int argc, const char **argv);
int bench_synthesize(int argc, const char **argv);
int bench_kallsyms_parse(int argc, const char **argv);
int bench_inject_build_id(int argc, const char **argv);
int bench_evlist_open_close(int argc, const char **argv);
int bench_breakpoint_thread(int argc, const char **argv);
int bench_breakpoint_enable(int argc, const char **argv);
int bench_uprobe_baseline(int argc, const char **argv);
int bench_uprobe_empty(int argc, const char **argv);
int bench_uprobe_trace_printk(int argc, const char **argv);
int bench_uprobe_empty_ret(int argc, const char **argv);
int bench_uprobe_trace_printk_ret(int argc, const char **argv);
int bench_pmu_scan(int argc, const char **argv);

#define BENCH_FORMAT_DEFAULT_STR	"default"
#define BENCH_FORMAT_DEFAULT		0
#define BENCH_FORMAT_SIMPLE_STR		"simple"
#define BENCH_FORMAT_SIMPLE		1

#define BENCH_FORMAT_UNKNOWN		-1

extern int bench_format;
extern unsigned int bench_repeat;

#ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
#include <pthread.h>
#include <linux/compiler.h>
static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
					      size_t cpusetsize __maybe_unused,
					      cpu_set_t *cpuset __maybe_unused)
{
	return 0;
}
#endif

#endif

Annotation

Implementation Notes