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#!/usr/sbin/dtrace -q -s
/*===----------------------------------------------------------------------===*
*
* This source file is part of the SwiftNIO open source project
*
* Copyright (c) 2017-2018 Apple Inc. and the SwiftNIO project authors
* Licensed under Apache License v2.0
*
* See LICENSE.txt for license information
* See CONTRIBUTORS.txt for the list of SwiftNIO project authors
*
* SPDX-License-Identifier: Apache-2.0
*
*===----------------------------------------------------------------------===*/
/*
* example invocation:
* sudo dev/malloc-aggregation.d -c .build/release/NIOHTTP1Server
*/
::BEGIN {
printf("\n\n");
printf("=====\n");
printf("This will collect stack shots of allocations and print it when ");
printf("you exit dtrace.\n");
printf("So go ahead, run your tests and then press Ctrl+C in this window ");
printf("to see the aggregated result\n");
printf("=====\n");
}
pid$target::malloc:entry,
pid$target::posix_memalign:entry,
pid$target::realloc:entry,
pid$target::reallocf:entry,
pid$target::calloc:entry,
pid$target::valloc:entry,
pid$target::malloc_zone_malloc:entry,
pid$target::malloc_zone_realloc:entry,
pid$target::malloc_zone_calloc:entry,
pid$target::malloc_zone_valloc:entry,
pid$target::malloc_zone_memalign:entry {
@malloc_calls[ustack()] = count();
}
::END {
printa(@malloc_calls);
}
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