tools/perf/bench/bench.h

   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_syscall_basic(int argc, const char **argv);
  37 int bench_mem_memcpy(int argc, const char **argv);
  38 int bench_mem_memset(int argc, const char **argv);
  39 int bench_mem_find_bit(int argc, const char **argv);
  40 int bench_futex_hash(int argc, const char **argv);
  41 int bench_futex_wake(int argc, const char **argv);
  42 int bench_futex_wake_parallel(int argc, const char **argv);
  43 int bench_futex_requeue(int argc, const char **argv);
  44 /* pi futexes */
  45 int bench_futex_lock_pi(int argc, const char **argv);
  46 int bench_epoll_wait(int argc, const char **argv);
  47 int bench_epoll_ctl(int argc, const char **argv);
  48 int bench_synthesize(int argc, const char **argv);
  49 int bench_kallsyms_parse(int argc, const char **argv);
  50 int bench_inject_build_id(int argc, const char **argv);
  51
  52 #define BENCH_FORMAT_DEFAULT_STR        "default"
  53 #define BENCH_FORMAT_DEFAULT            0
  54 #define BENCH_FORMAT_SIMPLE_STR         "simple"
  55 #define BENCH_FORMAT_SIMPLE             1
  56
  57 #define BENCH_FORMAT_UNKNOWN            -1
  58
  59 extern int bench_format;
  60 extern unsigned int bench_repeat;
  61
  62 #ifndef HAVE_PTHREAD_ATTR_SETAFFINITY_NP
  63 #include <pthread.h>
  64 #include <linux/compiler.h>
  65 static inline int pthread_attr_setaffinity_np(pthread_attr_t *attr __maybe_unused,
  66                                               size_t cpusetsize __maybe_unused,
  67                                               cpu_set_t *cpuset __maybe_unused)
  68 {
  69         return 0;
  70 }
  71 #endif
  72
  73 #endif