diff options
Diffstat (limited to 'test/unit/prof_stats.c')
| -rw-r--r-- | test/unit/prof_stats.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/test/unit/prof_stats.c b/test/unit/prof_stats.c new file mode 100644 index 000000000..c88c4ae0f --- /dev/null +++ b/test/unit/prof_stats.c @@ -0,0 +1,151 @@ +#include "test/jemalloc_test.h" + +#define N_PTRS 3 + +static void +test_combinations(szind_t ind, size_t sizes_array[N_PTRS], + int flags_array[N_PTRS]) { +#define MALLCTL_STR_LEN 64 + assert(opt_prof && opt_prof_stats); + + char mallctl_live_str[MALLCTL_STR_LEN]; + char mallctl_accum_str[MALLCTL_STR_LEN]; + if (ind < SC_NBINS) { + malloc_snprintf(mallctl_live_str, MALLCTL_STR_LEN, + "prof.stats.bins.%u.live", (unsigned)ind); + malloc_snprintf(mallctl_accum_str, MALLCTL_STR_LEN, + "prof.stats.bins.%u.accum", (unsigned)ind); + } else { + malloc_snprintf(mallctl_live_str, MALLCTL_STR_LEN, + "prof.stats.lextents.%u.live", (unsigned)(ind - SC_NBINS)); + malloc_snprintf(mallctl_accum_str, MALLCTL_STR_LEN, + "prof.stats.lextents.%u.accum", (unsigned)(ind - SC_NBINS)); + } + + size_t stats_len = 2 * sizeof(uint64_t); + + uint64_t live_stats_orig[2]; + assert_d_eq(mallctl(mallctl_live_str, &live_stats_orig, &stats_len, + NULL, 0), 0, ""); + uint64_t accum_stats_orig[2]; + assert_d_eq(mallctl(mallctl_accum_str, &accum_stats_orig, &stats_len, + NULL, 0), 0, ""); + + void *ptrs[N_PTRS]; + + uint64_t live_req_sum = 0; + uint64_t live_count = 0; + uint64_t accum_req_sum = 0; + uint64_t accum_count = 0; + + for (size_t i = 0; i < N_PTRS; ++i) { + size_t sz = sizes_array[i]; + int flags = flags_array[i]; + void *p = mallocx(sz, flags); + assert_ptr_not_null(p, "malloc() failed"); + assert(TEST_MALLOC_SIZE(p) == sz_index2size(ind)); + ptrs[i] = p; + live_req_sum += sz; + live_count++; + accum_req_sum += sz; + accum_count++; + uint64_t live_stats[2]; + assert_d_eq(mallctl(mallctl_live_str, &live_stats, &stats_len, + NULL, 0), 0, ""); + expect_u64_eq(live_stats[0] - live_stats_orig[0], + live_req_sum, ""); + expect_u64_eq(live_stats[1] - live_stats_orig[1], + live_count, ""); + uint64_t accum_stats[2]; + assert_d_eq(mallctl(mallctl_accum_str, &accum_stats, &stats_len, + NULL, 0), 0, ""); + expect_u64_eq(accum_stats[0] - accum_stats_orig[0], + accum_req_sum, ""); + expect_u64_eq(accum_stats[1] - accum_stats_orig[1], + accum_count, ""); + } + + for (size_t i = 0; i < N_PTRS; ++i) { + size_t sz = sizes_array[i]; + int flags = flags_array[i]; + sdallocx(ptrs[i], sz, flags); + live_req_sum -= sz; + live_count--; + uint64_t live_stats[2]; + assert_d_eq(mallctl(mallctl_live_str, &live_stats, &stats_len, + NULL, 0), 0, ""); + expect_u64_eq(live_stats[0] - live_stats_orig[0], + live_req_sum, ""); + expect_u64_eq(live_stats[1] - live_stats_orig[1], + live_count, ""); + uint64_t accum_stats[2]; + assert_d_eq(mallctl(mallctl_accum_str, &accum_stats, &stats_len, + NULL, 0), 0, ""); + expect_u64_eq(accum_stats[0] - accum_stats_orig[0], + accum_req_sum, ""); + expect_u64_eq(accum_stats[1] - accum_stats_orig[1], + accum_count, ""); + } +#undef MALLCTL_STR_LEN +} + +static void +test_szind_wrapper(szind_t ind) { + size_t sizes_array[N_PTRS]; + int flags_array[N_PTRS]; + for (size_t i = 0, sz = sz_index2size(ind) - N_PTRS; i < N_PTRS; + ++i, ++sz) { + sizes_array[i] = sz; + flags_array[i] = 0; + } + test_combinations(ind, sizes_array, flags_array); +} + +TEST_BEGIN(test_prof_stats) { + test_skip_if(!config_prof); + test_szind_wrapper(0); + test_szind_wrapper(1); + test_szind_wrapper(2); + test_szind_wrapper(SC_NBINS); + test_szind_wrapper(SC_NBINS + 1); + test_szind_wrapper(SC_NBINS + 2); +} +TEST_END + +static void +test_szind_aligned_wrapper(szind_t ind, unsigned lg_align) { + size_t sizes_array[N_PTRS]; + int flags_array[N_PTRS]; + int flags = MALLOCX_LG_ALIGN(lg_align); + for (size_t i = 0, sz = sz_index2size(ind) - N_PTRS; i < N_PTRS; + ++i, ++sz) { + sizes_array[i] = sz; + flags_array[i] = flags; + } + test_combinations( + sz_size2index(sz_sa2u(sz_index2size(ind), 1 << lg_align)), + sizes_array, flags_array); +} + +TEST_BEGIN(test_prof_stats_aligned) { + test_skip_if(!config_prof); + for (szind_t ind = 0; ind < 10; ++ind) { + for (unsigned lg_align = 0; lg_align < 10; ++lg_align) { + test_szind_aligned_wrapper(ind, lg_align); + } + } + for (szind_t ind = SC_NBINS - 5; ind < SC_NBINS + 5; ++ind) { + for (unsigned lg_align = SC_LG_LARGE_MINCLASS - 5; + lg_align < SC_LG_LARGE_MINCLASS + 5; ++lg_align) { + test_szind_aligned_wrapper(ind, lg_align); + } + } +} +TEST_END + +int +main(void) { + return test( + test_prof_stats, + test_prof_stats_aligned); +} |