| | 1 | # A basic Plugin that creates performance reports from zprint output |
| | 2 | kern_version = None |
| | 3 | |
| | 4 | def plugin_init(kernel_target, config, lldb_obj, isConnected): |
| | 5 | """ initialize the common data as required by plugin """ |
| | 6 | global kern_version |
| | 7 | kern_version = str(kernel_target.version) |
| | 8 | |
| | 9 | def plugin_execute(command_name, result_output): |
| | 10 | """ The xnu framework will call this function with output of a command. |
| | 11 | The options for returning are as follows |
| | 12 | returns: (status, outstr, further_cmds) |
| | 13 | status: Boolean - specifying whether plugin execution succeeded(True) or failed. If failed then xnu will stop doing any further work with this command. |
| | 14 | outstr: str - string output for user to be printed at the prompt |
| | 15 | further_cmds: [] of str - this holds set of commands to execute at the lldb prompt. Empty array if nothing is required. |
| | 16 | """ |
| | 17 | status = True |
| | 18 | outstr = 'Nothing to be done here' |
| | 19 | further_cmds = [] |
| | 20 | further_cmds.append("memstats -- --plugin zprint_perf_log ") |
| | 21 | |
| | 22 | if command_name != 'zprint' : |
| | 23 | status = False |
| | 24 | else: |
| | 25 | num_zones = len(result_output.split("\n")) -1 |
| | 26 | outstr += "Num of zones analyzed =" + str(num_zones) + "\n" |
| | 27 | return (status, outstr, further_cmds) |
| | 28 | |
| | 29 | def plugin_cleanup(): |
| | 30 | """ A cleanup call from xnu which is a signal to wrap up any open file descriptors etc. """ |
| | 31 | return None |
projects / apple / xnu.git / blame_incremental