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#!/opt/rh/gcc-toolset-11/root/usr/bin/stap
/*
 * syscallbypid-nd.d	Count syscalls with process details.
 *			For Linux, uses SystemTap (non-debuginfo).
 *
 * USAGE: ./syscallbypid-nd.d
 *
 * Copyright (C) 2015 Brendan Gregg.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * 23-Jun-2014	Brendan Gregg	Created this.
 */

global num;

probe begin
{
	printf("Tracing syscall completions... Hit Ctrl-C to end.\n");
}

probe syscall_any.return
{
	num[pid(), execname(), name] <<< 1;
}

probe end
{
	printf("\n%-8s %-16s %-24s %8s\n", "PID", "CMD", "SYSCALL", "COUNT");
	foreach ([p, e, n] in num+) {
		printf("%-8d %-16s %-24s %8d\n", p, e, n, @count(num[p, e, n]));
	}
}