def _signalPerfetto()

in benchmarking/profilers/perfetto/perfetto.py [0:0]

• 40 lines of code
• 6 McCabe index (conditional complexity)

    def _signalPerfetto(self) -> bool:
        # signal perfetto to stop profiling and await results
        getLogger().info("Stopping Perfetto profiling.")
        result = None
        if self.perfetto_pid is not None:
            sigint_cmd = [
                "kill",
                "-SIGINT",
                self.perfetto_pid,
                "&&",
                "wait",
                self.perfetto_pid,
            ]
            sigterm_cmd = ["kill", "-SIGTERM", self.perfetto_pid]
        else:
            sigint_cmd = ["pkill", "-SIGINT", "perfetto"]
            sigterm_cmd = ["pkill", "-SIGTERM", "perfetto"]

        cmd = sigint_cmd
        try:
            # Wait for Perfetto to finish gracefully
            getLogger().info("Running '" + " ".join(cmd) + "'.")
            result = self.adb.shell(
                sigint_cmd,
                timeout=30,
                retry=1,
                silent=True,
            )
            if self.perfetto_pid is None:
                time.sleep(6.0)
            return True
        except Exception as e:
            getLogger().exception(
                f"Perfetto did not respond to SIGINT. Terminating. {e}."
            )
            cmd = sigterm_cmd
            result = self.adb.shell(
                cmd,
                timeout=10,
            )
            return False
        finally:
            getLogger().info(f"Running '{' '.join(cmd)}' returned {result}.")