diff options
Diffstat (limited to 'deps/jemalloc/test/unit/background_thread_enable.c')
| -rw-r--r-- | deps/jemalloc/test/unit/background_thread_enable.c | 55 |
1 files changed, 33 insertions, 22 deletions
diff --git a/deps/jemalloc/test/unit/background_thread_enable.c b/deps/jemalloc/test/unit/background_thread_enable.c index d894e9371..44034ac67 100644 --- a/deps/jemalloc/test/unit/background_thread_enable.c +++ b/deps/jemalloc/test/unit/background_thread_enable.c @@ -2,12 +2,8 @@ const char *malloc_conf = "background_thread:false,narenas:1,max_background_threads:20"; -TEST_BEGIN(test_deferred) { - test_skip_if(!have_background_thread); - - unsigned id; - size_t sz_u = sizeof(unsigned); - +static unsigned +max_test_narenas(void) { /* * 10 here is somewhat arbitrary, except insofar as we want to ensure * that the number of background threads is smaller than the number of @@ -15,17 +11,32 @@ TEST_BEGIN(test_deferred) { * cpu to handle background purging, so this is a conservative * approximation. */ - for (unsigned i = 0; i < 10 * ncpus; i++) { - assert_d_eq(mallctl("arenas.create", &id, &sz_u, NULL, 0), 0, + unsigned ret = 10 * ncpus; + /* Limit the max to avoid VM exhaustion on 32-bit . */ + if (ret > 512) { + ret = 512; + } + + return ret; +} + +TEST_BEGIN(test_deferred) { + test_skip_if(!have_background_thread); + + unsigned id; + size_t sz_u = sizeof(unsigned); + + for (unsigned i = 0; i < max_test_narenas(); i++) { + expect_d_eq(mallctl("arenas.create", &id, &sz_u, NULL, 0), 0, "Failed to create arena"); } bool enable = true; size_t sz_b = sizeof(bool); - assert_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, + expect_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, "Failed to enable background threads"); enable = false; - assert_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, + expect_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, "Failed to disable background threads"); } TEST_END @@ -36,43 +47,43 @@ TEST_BEGIN(test_max_background_threads) { size_t max_n_thds; size_t opt_max_n_thds; size_t sz_m = sizeof(max_n_thds); - assert_d_eq(mallctl("opt.max_background_threads", + expect_d_eq(mallctl("opt.max_background_threads", &opt_max_n_thds, &sz_m, NULL, 0), 0, "Failed to get opt.max_background_threads"); - assert_d_eq(mallctl("max_background_threads", &max_n_thds, &sz_m, NULL, + expect_d_eq(mallctl("max_background_threads", &max_n_thds, &sz_m, NULL, 0), 0, "Failed to get max background threads"); - assert_zu_eq(opt_max_n_thds, max_n_thds, + expect_zu_eq(opt_max_n_thds, max_n_thds, "max_background_threads and " "opt.max_background_threads should match"); - assert_d_eq(mallctl("max_background_threads", NULL, NULL, &max_n_thds, + expect_d_eq(mallctl("max_background_threads", NULL, NULL, &max_n_thds, sz_m), 0, "Failed to set max background threads"); unsigned id; size_t sz_u = sizeof(unsigned); - for (unsigned i = 0; i < 10 * ncpus; i++) { - assert_d_eq(mallctl("arenas.create", &id, &sz_u, NULL, 0), 0, + for (unsigned i = 0; i < max_test_narenas(); i++) { + expect_d_eq(mallctl("arenas.create", &id, &sz_u, NULL, 0), 0, "Failed to create arena"); } bool enable = true; size_t sz_b = sizeof(bool); - assert_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, + expect_d_eq(mallctl("background_thread", NULL, NULL, &enable, sz_b), 0, "Failed to enable background threads"); - assert_zu_eq(n_background_threads, max_n_thds, + expect_zu_eq(n_background_threads, max_n_thds, "Number of background threads should not change.\n"); size_t new_max_thds = max_n_thds - 1; if (new_max_thds > 0) { - assert_d_eq(mallctl("max_background_threads", NULL, NULL, + expect_d_eq(mallctl("max_background_threads", NULL, NULL, &new_max_thds, sz_m), 0, "Failed to set max background threads"); - assert_zu_eq(n_background_threads, new_max_thds, + expect_zu_eq(n_background_threads, new_max_thds, "Number of background threads should decrease by 1.\n"); } new_max_thds = 1; - assert_d_eq(mallctl("max_background_threads", NULL, NULL, &new_max_thds, + expect_d_eq(mallctl("max_background_threads", NULL, NULL, &new_max_thds, sz_m), 0, "Failed to set max background threads"); - assert_zu_eq(n_background_threads, new_max_thds, + expect_zu_eq(n_background_threads, new_max_thds, "Number of background threads should be 1.\n"); } TEST_END |