关于Android调试过程的LOG

关于Android调试过程的LOG命令是logcat，参数参照下面的：static void show_help（const char *cmd）
{
    fprintf（stderr,"Usage: %s [options] [filterspecs]/n", cmd）;    fprintf（stderr, "options include:/n"
                    " -s              Set default filter to silent./n"
                    "                  Like specifying filterspec "*:s"/n"
                    " -f <filename>   Log to file. Default to stdout/n"
                    " -r [<kbytes>]   Rotate log every kbytes. （16 if unspecified）. Requires -f/n"
                    " -n <count>      Sets max number of rotated logs to <count>, default 4/n"
                    " -v <format>     Sets the log print format, where <format> is one of:/n/n"
                    "                  brief process tag thread raw time threadtime long/n/n"
                    " -c              clear （flush） the entire log and exit/n"
                    " -d              dump the log and then exit （don"t block）/n"
                    " -g              get the size of the log"s ring buffer and exit/n"
                    " -b <buffer>     request alternate ring buffer/n"
                    "                  （"main" （default）, "radio", "events"）/n"
                    " -B              output the log in binary"）;
    fprintf（stderr,"/nfilterspecs are a series of /n"
                   " <tag>[:priority]/n/n"
                   "where <tag> is a log component tag （or * for all） and priority is:/n"
                   " V    Verbose/n"
                   " D    Debug/n"
                   " I    Info/n"
                   " W    Warn/n"
                   " E    Error/n"
                   " F    Fatal/n"
                   " S    Silent （supress all output）/n"
                   "/n"*" means "*:d" and <tag> by itself means <tag>:v/n"
                   "/nIf not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS./n"
                   "If no filterspec is found, filter defaults to "*:I"/n"
                   "/nIf not specified with -v, format is set from ANDROID_PRINTF_LOG/n"
                   "or defaults to /"brief/"/n/n"）;