#!/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 nd_syscall.*.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]));
}
}
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