- first_action += "if (rate) {\n"
- first_action += f"\t{spin_lock}\n"
- first_action += "\tif (likely(rate->sent_rate > 0))" + " {\n"
- first_action += "\t\tint64_t diff = time - rate->sent_time;\n"
- # Unlikely or not, if the flow is slow, take a perf hit (though with the else if branch it doesn't matter)
- first_action += "\t\tif (unlikely(diff > 1000000000))\n"
- first_action += "\t\t\trate->sent_rate = 0;\n"
- first_action += "\t\telse if (likely(diff > 0))\n"
- first_action += f"\t\t\tallowed_since_last = ((uint64_t)diff) * {math.floor(value)} / 1000000000;\n"
- first_action += "\t}\n"
- first_action += "\tif (rate->sent_rate - ((int64_t)allowed_since_last) <= 0)" + " {\n"