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#!/usr/sbin/dtrace -qs
/*
* Copyright (c) 2011, 2013 Oracle and/or its affiliates. All rights reserved.
*
* apicalls.d - Summarize DB API function calls
*
* This script graphs the count of the main API calls grouped by thread.
*
* The optional integer maxcount parameter directs the script to exit once
* that many functions calls have been accumulated.
*
* usage: apicalls.d { -p <pid> | -c "<program> [<args]" } [maxcount]
*/
#pragma D option defaultargs
dtrace:::BEGIN
{
maxcount = $1 > 0 ? $1 : -1;
functioncount = 0;
printf("DB API call counts of process %d; interrupt to display summary\n", $target);
}
pid$target::db*_create:return,
pid$target::__*_pp:return
{
@calls[tid, probefunc] = count();
functioncount++;
}
pid$target::db*_create:return,
pid$target::__*_pp:return
/functioncount == maxcount/
{
exit(0);
}
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