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implement a mechanism to monitor the memory consumption of the tests.

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Simon Morlat 2015-09-07 16:09:15 +02:00
parent 3b364c173a
commit 041116cb67
1 changed files with 47 additions and 1 deletions
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48
tester/common/bc_tester_utils.c
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@ -27,6 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "CUnit/Basic.h"
#include "CUnit/Automated.h"
#ifdef _WIN32
#if defined(__MINGW32__) || !defined(WINAPI_FAMILY_PARTITION) || !defined(WINAPI_PARTITION_DESKTOP)
#define BC_TESTER_WINDOWS_DESKTOP 1
@ -43,6 +44,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#endif
#endif
#ifdef __linux
/*for monitoring total space allocated via malloc*/
#include <malloc.h>
#endif
static char *bc_tester_resource_dir_prefix = NULL;
static char *bc_tester_writable_dir_prefix = NULL;
@ -62,6 +68,8 @@ char* xml_file = "CUnitAutomated-Results.xml";
int xml_enabled = 0;
char * suite_name;
char * test_name;
static long max_vm_kb = 0;
void (*tester_printf_va)(int level, const char *fmt, va_list args);
void bc_tester_printf(int level, const char *fmt, ...) {
@ -186,6 +194,22 @@ static void test_complete_message_handler(const CU_pTest pTest,
}
}
bc_tester_printf(bc_printf_verbosity_info,"%s\n", result);
#ifdef __linux
/* use mallinfo() to monitor allocated space. It is linux specific but other methods don't work:
* setrlimit() RLIMIT_DATA doesn't count memory allocated via mmap() (which is used internally by malloc)
* setrlimit() RLIMIT_AS works but also counts virtual memory allocated by thread stacks, which is very big and hardly controllable.
* setrlimit() RLIMIT_RSS does nothing interesting on linux.
* getrusage() of RSS is unreliable: memory blocks can be leaked without being read or written, which would not appear in RSS.
* mallinfo() itself is the less worse solution. Allocated bytes are returned as 'int' so limited to 2GB
*/
if (max_vm_kb){
struct mallinfo minfo = mallinfo();
if (minfo.uordblks > max_vm_kb * 1024){
bc_tester_printf(bc_printf_verbosity_error, "The program exceeded the maximum ammount of memory allocatable (%i bytes), aborting now.\n", minfo.uordblks);
abort();
}
}
#endif
}
#endif
@ -256,6 +280,10 @@ int bc_tester_run_tests(const char *suite_name, const char *test_name) {
}
}
}
#ifdef __linux
bc_tester_printf(bc_printf_verbosity_info, "Still %i kilobytes allocated when all tests are finished.", mallinfo().uordblks/1024);
#endif
return CU_get_number_of_tests_failed()!=0;
}
@ -272,6 +300,7 @@ void bc_tester_helper(const char *name, const char* additionnal_helper) {
#endif
"\t\t\t--xml\n"
"\t\t\t--xml-file <xml file name>\n"
"\t\t\t--max-alloc <size in ko> (maximum ammount of memory obtained via malloc allocator)\n"
"And additionally:\n"
"%s"
, name
@ -300,9 +329,19 @@ void bc_tester_init(void (*ftester_printf)(int level, const char *fmt, va_list a
bc_printf_verbosity_info = iverbosity_info;
}
void bc_tester_set_max_vm(long max_vm_kb){
#ifdef __linux
max_vm_kb = max_vm_kb;
bc_tester_printf(bc_printf_verbosity_info, "Maximum virtual memory space set to %li kilo bytes", max_vm_kb);
#else
bc_tester_printf(bc_printf_verbosity_error,"Maximum virtual memory space setting is only implemented on Linux.");
#endif
}
int bc_tester_parse_args(int argc, char **argv, int argid)
{
int i = argid;
if (strcmp(argv[i],"--help")==0){
return -1;
} else if (strcmp(argv[i],"--test")==0){
@ -325,7 +364,10 @@ int bc_tester_parse_args(int argc, char **argv, int argid)
xml_enabled = 1;
} else if (strcmp(argv[i], "--xml") == 0){
xml_enabled = 1;
}else {
} else if (strcmp(argv[i], "--max-alloc") == 0){
CHECK_ARG("--max-alloc", ++i, argc);
max_vm_kb = atol(argv[i]);
} else {
bc_tester_printf(bc_printf_verbosity_error, "Unknown option \"%s\"\n", argv[i]);
return -1;
}
@ -341,6 +383,10 @@ int bc_tester_parse_args(int argc, char **argv, int argid)
int bc_tester_start(void) {
int ret;
if (max_vm_kb)
bc_tester_set_max_vm(max_vm_kb);
if( xml_enabled ){
size_t size = strlen(xml_file) + strlen(".tmp") + 1;
char * xml_tmp_file = malloc(sizeof(char) * size);