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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/common/byte_buf.h>
#include <aws/common/device_random.h>
#include <aws/common/system_resource_util.h>
#include <aws/testing/aws_test_harness.h>
static int s_test_memory_usage_maxrss(struct aws_allocator *allocator, void *ctx) {
(void)ctx;
/*
* Note: mem usage apis currently rely on getrusage on posix systems.
* On freebsd maxrss seems to return current process rss based on testing,
* while on every other posix platform maxrss is high water mark for rss
* over the program lifetime.
* Workaround it by allocating a buffer first. Long term using procfs should
* avoid the issue.
*/
struct aws_byte_buf temp;
aws_byte_buf_init(&temp, allocator, 8 * 1024 * 1024);
ASSERT_SUCCESS(aws_device_random_buffer(&temp));
struct aws_memory_usage_stats mu;
ASSERT_SUCCESS(aws_init_memory_usage_for_current_process(&mu));
ASSERT_TRUE(mu.maxrss > 0);
aws_byte_buf_clean_up_secure(&temp);
return 0;
}
AWS_TEST_CASE(test_memory_usage_maxrss, s_test_memory_usage_maxrss)
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