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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/common/system_resource_util.h>
#include <sys/resource.h>
int aws_init_memory_usage_for_current_process(struct aws_memory_usage_stats *memory_usage) {
AWS_PRECONDITION(memory_usage);
AWS_ZERO_STRUCT(*memory_usage);
struct rusage usage;
if (getrusage(RUSAGE_SELF, &usage)) {
return aws_raise_error(AWS_ERROR_SYS_CALL_FAILURE);
}
#if defined(AWS_OS_APPLE)
/*
* For some reason Apple switched to reporting this in bytes instead of KB
* around MacOS 10.6.
* Make it back to KB. Result might be slightly off due to rounding.
*/
memory_usage->maxrss = usage.ru_maxrss / 1024;
#else
memory_usage->maxrss = usage.ru_maxrss;
#endif
memory_usage->page_faults = usage.ru_majflt;
return AWS_OP_SUCCESS;
}
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