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/**
* Copyright (c) NVIDIA CORPORATION & AFFILIATES, 2001-2015. ALL RIGHTS RESERVED.
*
* See file LICENSE for terms.
*/
#include "uct_test.h"
#include <ucs/sys/sys.h>
class test_mem : public testing::TestWithParam<uct_alloc_method_t>,
public uct_test_base {
public:
UCS_TEST_BASE_IMPL;
virtual void init() {
ucs::skip_on_address_sanitizer();
uct_test_base::init();
}
protected:
void check_mem(const uct_allocated_memory &mem, size_t min_length) {
EXPECT_TRUE(mem.address != 0);
EXPECT_GE(mem.length, min_length);
if (mem.method == UCT_ALLOC_METHOD_MD) {
EXPECT_TRUE(mem.md != NULL);
EXPECT_TRUE(mem.memh != UCT_MEM_HANDLE_NULL);
} else {
EXPECT_TRUE((mem.method == GetParam()) ||
(mem.method == UCT_ALLOC_METHOD_HEAP));
}
}
static const size_t min_length = 1234557;
};
UCS_TEST_P(test_mem, nomd_alloc) {
void *address = NULL;
size_t length = min_length;
uct_alloc_method_t methods[2];
uct_allocated_memory mem;
ucs_status_t status;
uct_mem_alloc_params_t params;
methods[0] = GetParam();
methods[1] = UCT_ALLOC_METHOD_HEAP;
params.field_mask = UCT_MEM_ALLOC_PARAM_FIELD_FLAGS |
UCT_MEM_ALLOC_PARAM_FIELD_ADDRESS |
UCT_MEM_ALLOC_PARAM_FIELD_MEM_TYPE |
UCT_MEM_ALLOC_PARAM_FIELD_NAME;
params.flags = UCT_MD_MEM_ACCESS_ALL;
params.name = "test";
params.mem_type = UCS_MEMORY_TYPE_HOST;
params.address = address;
status = uct_mem_alloc(length, methods, 2, ¶ms, &mem);
ASSERT_UCS_OK(status);
check_mem(mem, min_length);
uct_mem_free(&mem);
}
UCS_TEST_P(test_mem, md_alloc) {
void *address = NULL;
size_t length = min_length;
uct_alloc_method_t methods[3];
uct_allocated_memory mem;
unsigned mem_type;
std::vector<md_resource> md_resources;
uct_md_attr_t md_attr;
ucs_status_t status;
uct_md_h md;
uct_md_config_t *md_config;
int nonblock;
uct_mem_alloc_params_t params;
methods[0] = UCT_ALLOC_METHOD_MD;
methods[1] = GetParam();
methods[2] = UCT_ALLOC_METHOD_HEAP;
params.field_mask = UCT_MEM_ALLOC_PARAM_FIELD_FLAGS |
UCT_MEM_ALLOC_PARAM_FIELD_ADDRESS |
UCT_MEM_ALLOC_PARAM_FIELD_MEM_TYPE |
UCT_MEM_ALLOC_PARAM_FIELD_MDS |
UCT_MEM_ALLOC_PARAM_FIELD_NAME;
params.name = "test";
params.mem_type = UCS_MEMORY_TYPE_HOST;
params.address = address;
params.mds.count = 1;
md_resources = enum_md_resources();
for (std::vector<md_resource>::iterator iter = md_resources.begin();
iter != md_resources.end(); ++iter) {
status = uct_md_config_read(iter->cmpt, NULL, NULL, &md_config);
ASSERT_UCS_OK(status);
status = uct_md_open(iter->cmpt, iter->rsc_desc.md_name, md_config, &md);
uct_config_release(md_config);
ASSERT_UCS_OK(status);
status = uct_md_query(md, &md_attr);
ASSERT_UCS_OK(status);
if (md_attr.cap.max_alloc < min_length) {
uct_md_close(md);
continue;
}
ucs_for_each_bit(mem_type, md_attr.cap.alloc_mem_types) {
params.mem_type = (ucs_memory_type_t)mem_type;
for (nonblock = 0; nonblock <= 1; ++nonblock) {
if (nonblock && (mem_type != UCS_MEMORY_TYPE_HOST)) {
continue;
}
params.flags = nonblock ? UCT_MD_MEM_FLAG_NONBLOCK : 0;
params.flags |= UCT_MD_MEM_ACCESS_ALL;
params.mds.mds = &md;
status = uct_mem_alloc(length, methods, 3, ¶ms, &mem);
ASSERT_UCS_OK(status);
if (md_attr.cap.flags & UCT_MD_FLAG_ALLOC) {
EXPECT_EQ(UCT_ALLOC_METHOD_MD, mem.method);
} else {
EXPECT_NE(UCT_ALLOC_METHOD_MD, mem.method);
}
check_mem(mem, min_length);
uct_mem_free(&mem);
}
}
uct_md_close(md);
}
}
UCS_TEST_P(test_mem, md_fixed) {
std::vector<md_resource> md_resources;
uct_md_attr_t md_attr;
uct_md_config_t *md_config;
uct_md_h md;
unsigned j;
const size_t page_size = ucs_get_page_size();
const size_t n_tryes = 101;
uct_alloc_method_t meth;
size_t length = 1;
size_t n_success;
ucs::mmap_fixed_address p_addr(page_size * 2 * n_tryes);
uct_allocated_memory_t uct_mem;
ucs_status_t status;
uct_mem_alloc_params_t params;
params.field_mask = UCT_MEM_ALLOC_PARAM_FIELD_FLAGS |
UCT_MEM_ALLOC_PARAM_FIELD_ADDRESS |
UCT_MEM_ALLOC_PARAM_FIELD_MEM_TYPE |
UCT_MEM_ALLOC_PARAM_FIELD_MDS |
UCT_MEM_ALLOC_PARAM_FIELD_NAME;
params.flags = UCT_MD_MEM_FLAG_FIXED | UCT_MD_MEM_ACCESS_ALL;
params.name = "test";
params.mem_type = UCS_MEMORY_TYPE_HOST;
params.mds.count = 1;
md_resources = enum_md_resources();
for (std::vector<md_resource>::iterator iter = md_resources.begin();
iter != md_resources.end(); ++iter) {
status = uct_md_config_read(iter->cmpt, NULL, NULL, &md_config);
ASSERT_UCS_OK(status);
status = uct_md_open(iter->cmpt, iter->rsc_desc.md_name, md_config, &md);
uct_config_release(md_config);
ASSERT_UCS_OK(status);
status = uct_md_query(md, &md_attr);
ASSERT_UCS_OK(status);
if ((md_attr.cap.flags & UCT_MD_FLAG_ALLOC) &&
(md_attr.cap.flags & UCT_MD_FLAG_FIXED)) {
void* curr_addr = *p_addr;
n_success = 0;
for (j = 0; j < n_tryes; ++j) {
meth = UCT_ALLOC_METHOD_MD;
params.mds.mds = &md;
params.address = curr_addr;
status = uct_mem_alloc(length, &meth, 1, ¶ms, &uct_mem);
if (status == UCS_OK) {
++n_success;
EXPECT_EQ(meth, uct_mem.method);
EXPECT_EQ(curr_addr, uct_mem.address);
EXPECT_GE(uct_mem.length, (size_t)1);
/* touch the page*/
memset(uct_mem.address, 'c', uct_mem.length);
EXPECT_EQ(*(char*)curr_addr, 'c');
status = uct_mem_free(&uct_mem);
} else {
EXPECT_EQ(status, UCS_ERR_NO_MEMORY);
}
curr_addr = (char*)curr_addr + (2 * page_size);
}
EXPECT_GT(n_success, (size_t)0);
}
uct_md_close(md);
}
}
UCS_TEST_P(test_mem, mmap_fixed) {
unsigned i;
const size_t page_size = ucs_get_page_size();
const size_t n_tryes = 101;
uct_alloc_method_t meth;
size_t length = 1;
size_t n_success;
ucs::mmap_fixed_address p_addr(page_size * 2 * (n_tryes + 1));
void* curr_addr;
uct_allocated_memory_t uct_mem;
ucs_status_t status;
uct_mem_alloc_params_t params;
params.field_mask = UCT_MEM_ALLOC_PARAM_FIELD_FLAGS |
UCT_MEM_ALLOC_PARAM_FIELD_ADDRESS |
UCT_MEM_ALLOC_PARAM_FIELD_MEM_TYPE |
UCT_MEM_ALLOC_PARAM_FIELD_NAME;
params.flags = UCT_MD_MEM_FLAG_FIXED | UCT_MD_MEM_ACCESS_ALL;
params.name = "test";
params.mem_type = UCS_MEMORY_TYPE_HOST;
n_success = 0;
curr_addr = *p_addr;
for (i = 0; i < n_tryes; ++i) {
meth = (i % 2) ? UCT_ALLOC_METHOD_MMAP : UCT_ALLOC_METHOD_HUGE;
params.address = curr_addr;
status = uct_mem_alloc(length, &meth, 1, ¶ms, &uct_mem);
if (status == UCS_OK) {
++n_success;
EXPECT_EQ(meth, uct_mem.method);
EXPECT_EQ(curr_addr, uct_mem.address);
EXPECT_GE(uct_mem.length, (size_t)1);
/* touch the page */
memset(uct_mem.address, 'c', uct_mem.length);
EXPECT_EQ(*(char*)curr_addr, 'c');
status = uct_mem_free(&uct_mem);
if (status != UCS_OK) {
UCS_TEST_ABORT("uct_mem_free failed to release memory region");
}
} else {
EXPECT_EQ(status, UCS_ERR_NO_MEMORY);
}
curr_addr = (char*)curr_addr + (2 * page_size);
}
}
INSTANTIATE_TEST_SUITE_P(alloc_methods, test_mem,
::testing::Values(UCT_ALLOC_METHOD_THP,
UCT_ALLOC_METHOD_HEAP,
UCT_ALLOC_METHOD_MMAP,
UCT_ALLOC_METHOD_HUGE));
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