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global output_string
# Parent probes
probe process(@1).mark("main")
{
output_string .= sprintf("parent - pid: %d\n", $arg1)
}
probe process(@1).mark("child")
{
output_string .= sprintf("parent - child pid before exec: %d\n", $arg1)
}
probe process(@1).mark("child_pid")
{
output_string .= sprintf("parent - child pid: %d\n", $arg1)
}
probe process(@1).mark("finished")
{
output_string .= sprintf("parent - finished\n")
exit()
}
# Child probes
probe process(@2).mark("main")
{
output_string .= sprintf("child - 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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