diff options
Diffstat (limited to 'tools/perf/util/util.c')
| -rw-r--r-- | tools/perf/util/util.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 391c1e928bd7..c1fd9ba6d697 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -28,6 +28,8 @@ * XXX We need to find a better place for these things... */ +const char *input_name; + bool perf_singlethreaded = true; void perf_set_singlethreaded(void) @@ -524,7 +526,8 @@ int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x, size_t msz, new_arr = calloc(new_sz, msz); if (!new_arr) return -ENOMEM; - memcpy(new_arr, *arr, *arr_sz * msz); + if (*arr_sz) + memcpy(new_arr, *arr, *arr_sz * msz); if (init_val) { for (i = *arr_sz; i < new_sz; i++) memcpy(new_arr + (i * msz), init_val, msz); @@ -533,3 +536,19 @@ int do_realloc_array_as_needed(void **arr, size_t *arr_sz, size_t x, size_t msz, *arr_sz = new_sz; return 0; } + +#ifndef HAVE_SCHED_GETCPU_SUPPORT +int sched_getcpu(void) +{ +#ifdef __NR_getcpu + unsigned int cpu; + int err = syscall(__NR_getcpu, &cpu, NULL, NULL); + + if (!err) + return cpu; +#else + errno = ENOSYS; +#endif + return -1; +} +#endif |