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_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