struct stdstring {
	char *ptr;
	uint64_t len;
	uint64_t pad1;
	uint64_t pad2;
}

struct goal {
	uint8_t pad[0x60];
	struct stdstring name;
}

uprobe:/nix/store/1jgajchkwg8jkw0avznjrl1wbswq80nr-lix-2.93.0-devpre20250325-fc58e7b/lib/liblixstore.so:cpp:"nix::LocalDerivationGoal::runChild()" { 
	@buildstart[pid] = 1;
	$goal = (struct goal*)arg0;
	printf("%llu start pid=%d addr=%p drv=%r\n", nsecs(monotonic), pid, arg0, buf($goal->name.ptr, $goal->name.len)); 
}

uprobe:/nix/store/1jgajchkwg8jkw0avznjrl1wbswq80nr-lix-2.93.0-devpre20250325-fc58e7b/lib/liblixstore.so:cpp:"nix::DerivationGoal::buildDone()" { 
	printf("%llu buildDone addr=%p\n", nsecs(monotonic), arg1); 
}

uprobe:/nix/store/1jgajchkwg8jkw0avznjrl1wbswq80nr-lix-2.93.0-devpre20250325-fc58e7b/lib/liblixstore.so:_ZN3nix14DerivationGoal4doneENS_11BuildResult6StatusESt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEENS_11RealisationESt4lessIS9_ESaISt4pairIKS9_SA_EEESt8optionalINS_5ErrorEE { 
	$goal = (struct goal*)arg1;
	printf("%llu done addr=%p\n", nsecs(monotonic), arg1); 
}



tracepoint:sched:sched_prepare_exec {
	   if (has_key(@buildstart, args->pid)) {
		   printf("%llu exec pid=%d \n", nsecs(monotonic), args->pid);
	   }
   }

tracepoint:sched:sched_process_exit {
	   if (has_key(@buildstart, args->pid)) {
		   printf("%llu exit pid=%d\n", nsecs(monotonic), args->pid);
		   delete(@buildstart, args->pid);
	   }
   }