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");

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