linux/tools/perf/bench/bench.h
Arnaldo Carvalho de Melo 7b47623b8c perf bench uprobe trace_printk: Add entry attaching an BPF program that does a trace_printk
[root@five ~]# perf bench uprobe all
  # Running uprobe/baseline benchmark...
  # Executed 1,000 usleep(1000) calls
       Total time: 1,053,963 usecs

   1,053.963 usecs/op

  # Running uprobe/empty benchmark...
  # Executed 1,000 usleep(1000) calls
       Total time: 1,056,293 usecs +2,330 to baseline

   1,056.293 usecs/op 2.330 usecs/op to baseline

  # Running uprobe/trace_printk benchmark...
  # Executed 1,000 usleep(1000) calls
       Total time: 1,056,977 usecs +3,014 to baseline +684 to previous

   1,056.977 usecs/op 3.014 usecs/op to baseline 0.684 usecs/op to previous

  [root@five ~]#

Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andre Fredette <anfredet@redhat.com>
Cc: Clark Williams <williams@redhat.com>
Cc: Dave Tucker <datucker@redhat.com>
Cc: Derek Barbosa <debarbos@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/20230719204910.539044-6-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-07-20 11:33:24 -03:00

72 lines
2.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#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_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_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_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