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global output_string
# Original (parent) probes
probe process(@1).mark("main")
{
output_string .= sprintf("main - pid: %d\n", $arg1)
}
probe process(@1).mark("child1_pid")
{
output_string .= sprintf("main - child pid: %d\n", $arg1)
}
probe process(@1).mark("main2")
{
output_string .= sprintf("main - finished\n")
exit()
}
# Child1 probes
probe process(@1).mark("child1")
{
output_string .= sprintf("child1 - pid: %d\n", $arg1)
}
probe process(@1).mark("child2_pid")
{
output_string .= sprintf("child1 - child2 pid: %d\n", $arg1)
}
# Child2 probes
probe process(@1).mark("child2")
{
output_string .= sprintf("child2 - pid: %d\n", $arg1)
}
# Testsuite glue
probe begin
{
printf("systemtap starting probe\n");
}
probe end
{
printf("systemtap ending probe\n");
printf("%s", output_string);
}
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