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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/common/system_info.h>
#include "logging/test_logger.h"
#include <aws/testing/aws_test_harness.h>
static int s_test_cpu_count_at_least_works_superficially_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
size_t processor_count = aws_system_info_processor_count();
/* I think this is a fairly reasonable assumption given the circumstances
* (you know this test is part of a program
* that must be running on at least one core).... */
ASSERT_TRUE(processor_count > 0);
return 0;
}
AWS_TEST_CASE(test_cpu_count_at_least_works_superficially, s_test_cpu_count_at_least_works_superficially_fn)
#if defined(_WIN32)
# include <io.h>
# define DIRSEP "\\"
#else
# define DIRSEP "/"
#endif
static int s_test_stack_trace_decoding(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
struct aws_logger test_log;
test_logger_init(&test_log, allocator, AWS_LL_TRACE, 0);
aws_logger_set(&test_log);
int line = 0; /* captured on line of aws_backtrace_log call to match call site */
(void)line; /* may not be used if debug info is unavailable */
aws_backtrace_log(AWS_LL_TRACE), (line = __LINE__); /* NOLINT */
struct test_logger_impl *log = test_log.p_impl;
ASSERT_NOT_NULL(log);
struct aws_byte_buf *buffer = &log->log_buffer;
(void)buffer;
#if defined(AWS_BACKTRACE_STACKS_AVAILABLE) && defined(DEBUG_BUILD)
/* ensure that this file/function is found */
char *file = __FILE__;
char *next = strstr(file, DIRSEP);
/* strip path info, just filename will be found */
while (next) {
file = next + 1;
next = strstr(file, DIRSEP);
}
struct aws_byte_cursor null_term = aws_byte_cursor_from_array("", 1);
aws_byte_buf_append_dynamic(buffer, &null_term);
fprintf(stderr, "%s", (const char *)buffer->buffer);
const char *func = __func__;
if (func[0] == 's' && func[1] == '_') {
func += 2; /* skip over s_ */
}
ASSERT_NOT_NULL(strstr((const char *)buffer->buffer, func));
/* if this is not a debug build, there may not be symbols, so the test cannot
* verify if a best effort was made */
if (strstr((const char *)buffer->buffer, file)) {
/* check for the call site of aws_backtrace_print. Note that line numbers are off by one
* in both directions depending on compiler, so we check a range around the call site __LINE__
* The line number can also be ? on old compilers
*/
char fileline[4096];
uint32_t found_file_line = 0;
for (int lineno = line - 1; lineno <= line + 1; ++lineno) {
snprintf(fileline, sizeof(fileline), "%s:%d", file, lineno);
found_file_line = strstr((const char *)buffer->buffer, fileline) != NULL;
if (found_file_line) {
break;
}
}
if (!found_file_line) {
snprintf(fileline, sizeof(fileline), "%s:?", file);
found_file_line = strstr((const char *)buffer->buffer, fileline) != NULL;
}
ASSERT_TRUE(found_file_line);
}
#endif
aws_logger_clean_up(&test_log);
return 0;
}
AWS_TEST_CASE(test_stack_trace_decoding, s_test_stack_trace_decoding);
static int s_test_platform_build_os_fn(struct aws_allocator *allocator, void *ctx) {
(void)allocator;
(void)ctx;
enum aws_platform_os build_os = aws_get_platform_build_os();
#if defined(AWS_OS_APPLE)
ASSERT_INT_EQUALS(build_os, AWS_PLATFORM_OS_MAC);
#elif defined(_WIN32)
ASSERT_INT_EQUALS(build_os, AWS_PLATFORM_OS_WINDOWS);
#else
ASSERT_INT_EQUALS(build_os, AWS_PLATFORM_OS_UNIX);
#endif
return 0;
}
AWS_TEST_CASE(test_platform_build_os, s_test_platform_build_os_fn)
static int s_test_sanity_check_numa_discovery(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
aws_common_library_init(allocator);
size_t processor_count = aws_system_info_processor_count();
ASSERT_TRUE(processor_count > 0);
uint16_t group_count = aws_get_cpu_group_count();
ASSERT_TRUE(group_count > 0);
/* log for the test output since it's the only way I can verify on certain platforms this looks correct. */
AWS_LOGF_INFO(AWS_LS_COMMON_GENERAL, "found %d cpu groups", (int)group_count);
size_t total_cpus_found_via_numa = 0;
for (uint16_t i = 0; i < group_count; ++i) {
size_t cpus_per_group = aws_get_cpu_count_for_group(i);
AWS_LOGF_INFO(
AWS_LS_COMMON_GENERAL, "found cpu count %d, which lives on group node %d", (int)cpus_per_group, (int)i);
ASSERT_TRUE(cpus_per_group > 0);
total_cpus_found_via_numa += cpus_per_group;
struct aws_cpu_info *cpus_for_group = aws_mem_calloc(allocator, cpus_per_group, sizeof(struct aws_cpu_info));
ASSERT_NOT_NULL(cpus_per_group);
aws_get_cpu_ids_for_group(i, cpus_for_group, cpus_per_group);
/* make sure at least one is set */
bool at_least_one = false;
for (size_t cpu_idx = 0; cpu_idx < cpus_per_group; ++cpu_idx) {
AWS_LOGF_INFO(
AWS_LS_COMMON_GENERAL,
"found cpu_id %d, which lives on group node %d. Is it likely a hyper-thread ? %s",
(int)cpus_for_group[cpu_idx].cpu_id,
(int)i,
cpus_for_group[cpu_idx].suspected_hyper_thread ? "Yes" : "No");
if (cpus_for_group[cpu_idx].cpu_id >= 0) {
at_least_one = true;
}
}
ASSERT_TRUE(at_least_one);
aws_mem_release(allocator, cpus_for_group);
}
ASSERT_TRUE(total_cpus_found_via_numa <= processor_count);
aws_common_library_clean_up();
return 0;
}
AWS_TEST_CASE(test_sanity_check_numa_discovery, s_test_sanity_check_numa_discovery)
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