#!/bin/sh

stap -p2 --ignore-vmlinux --kmap=/proc/kallsyms -e '
global ncall

/*
 * We want
 *	probe syscall.*
 * but in the syscall tapset, the prologue blocks for the following system
 * calls contain "if" statements that cause target variables to be read...
 * and we cannot evaluate target variables without dwarf.
 *	bdflush, clock_nanosleep, fork, futex, getrusage, mq_open, open, sysfs
 */
probe
	syscall.a*,
	/* skip b */
	/* skip c */
	syscall.d*,
	syscall.e*,
	/* skip f */
	/* skip g */
	/* no h */
	syscall.i*,
	/* no j */
	syscall.k*,
	syscall.l*,
	/* skip m */
	syscall.n*,
	/* skip o */
	syscall.p*,
	syscall.q* ?,
	syscall.r*,
	/* skip s */
	syscall.t*,
	syscall.u*,
	syscall.v*,
	syscall.w*
	/* no xyz */
{
	printf("%s called\n", name)
	if (ncall++ > 50)
		exit()
}
'