Changes between Version 4 and Version 5 of PhalUserGuide
- Timestamp:
- 11/07/08 13:48:18 (16 years ago)
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PhalUserGuide
v4 v5 7 7 8 8 At this point we assume that you have downloaded and installed P-HAL on your computer (see [wiki:PhalInstallGuide Install Guide]) and that your are familiar with Linux at user level. 9 10 [[BR]] 9 11 10 12 == Launching P-HAL == … … 47 49 * ''-p [priority]'': Needs root privileges. Kernel priority level for waveform processes, see Performance Notes. ''Default'': 20 48 50 * ''-d [debug_level]'': Sets platform debug level. Currently only 2 modes are supported, level=0 or level!=0, where the first means normal operation and the second prevents EXEC daemon to kill processes which violated real time policies. ''Default'': 0 49 * ''-r [fifo_report]'': File where 51 * ''-r [fifo_report]'': File where the platform will log (in columns, for Matlab compatibility) the instantaneous waveform internal fifo utilization (in kilobytes). ''Default'': No report. 52 53 [[BR]] 50 54 51 55 == Downloading a waveform: Wimax == … … 70 74 71 75 These commands, however, can create conflicts if other users are working with the same files, we recommend to read [http://svnbook.red-bean.com/nightly/en/svn-book.html Subversion Manual] to learn more about this powerful tool. 76 77 [[BR]] 72 78 73 79 == Running a waveform: Basic P-HAL commands == … … 102 108 }}} 103 109 110 [[BR]] 111 112 == Customizing your Platform == 113 114 [[BR]] 104 115 105 116 == Performance Notes == … … 112 123 if you have a pentium/athlon processor with sse extensions. 113 124 114 * Disable statistics or logs. You can do that entering the following command in the P-HAL console:125 * Disable statistics or logs. These services may use a certain amount of CPU and bandwidth resources, disabling them may increase global performance. You can do that entering the following command in the P-HAL console: 115 126 {{{ 116 127 runph$: hwcmd stats_off … … 119 130 You can re-enable them substituting 'off' by 'on'. 120 131 132 * Run waveform processes with higher priority. 121 133 134 * Increase Kernel time resolution. 135 136
