Before revision:  Finally, thanks to the asymptotic results and some recent works on the running maximum of L\'evy processes, we derive the law of duration of drawdowns for a large class of L\'evy processes (with a general spectrally negative part plus a positive compound Poisson structure).
After revision:  Finally, thanks to the asymptotic results and some recent works on the running maximum of L\'{e processes, we derive the law of duration of drawdowns for a large class of L\'evy processes (with a general spectrally negative part plus a positive compound Poisson structure).