1 #include "test/jemalloc_test.h" 2 3 #ifdef JEMALLOC_PROF 4 const char *malloc_conf = "prof:true,prof_active:false,prof_gdump:true"; 5 #endif 6 7 static bool did_prof_dump_open; 8 9 static int 10 prof_dump_open_intercept(bool propagate_err, const char *filename) 11 { 12 int fd; 13 14 did_prof_dump_open = true; 15 16 fd = open("/dev/null", O_WRONLY); 17 assert_d_ne(fd, -1, "Unexpected open() failure"); 18 19 return (fd); 20 } 21 22 TEST_BEGIN(test_gdump) 23 { 24 bool active, gdump, gdump_old; 25 void *p, *q, *r, *s; 26 size_t sz; 27 28 test_skip_if(!config_prof); 29 30 active = true; 31 assert_d_eq(mallctl("prof.active", NULL, NULL, &active, sizeof(active)), 32 0, "Unexpected mallctl failure while activating profiling"); 33 34 prof_dump_open = prof_dump_open_intercept; 35 36 did_prof_dump_open = false; 37 p = mallocx(chunksize, 0); 38 assert_ptr_not_null(p, "Unexpected mallocx() failure"); 39 assert_true(did_prof_dump_open, "Expected a profile dump"); 40 41 did_prof_dump_open = false; 42 q = mallocx(chunksize, 0); 43 assert_ptr_not_null(q, "Unexpected mallocx() failure"); 44 assert_true(did_prof_dump_open, "Expected a profile dump"); 45 46 gdump = false; 47 sz = sizeof(gdump_old); 48 assert_d_eq(mallctl("prof.gdump", &gdump_old, &sz, &gdump, 49 sizeof(gdump)), 0, 50 "Unexpected mallctl failure while disabling prof.gdump"); 51 assert(gdump_old); 52 did_prof_dump_open = false; 53 r = mallocx(chunksize, 0); 54 assert_ptr_not_null(q, "Unexpected mallocx() failure"); 55 assert_false(did_prof_dump_open, "Unexpected profile dump"); 56 57 gdump = true; 58 sz = sizeof(gdump_old); 59 assert_d_eq(mallctl("prof.gdump", &gdump_old, &sz, &gdump, 60 sizeof(gdump)), 0, 61 "Unexpected mallctl failure while enabling prof.gdump"); 62 assert(!gdump_old); 63 did_prof_dump_open = false; 64 s = mallocx(chunksize, 0); 65 assert_ptr_not_null(q, "Unexpected mallocx() failure"); 66 assert_true(did_prof_dump_open, "Expected a profile dump"); 67 68 dallocx(p, 0); 69 dallocx(q, 0); 70 dallocx(r, 0); 71 dallocx(s, 0); 72 } 73 TEST_END 74 75 int 76 main(void) 77 { 78 79 return (test( 80 test_gdump)); 81 } 82
