On Wed, 4 Aug 2010, Prerna Saxena wrote:
> This patch adds an optional command line switch '-trace' to specify the
> filename to write traces to, when qemu starts.
> Eg, If compiled with the 'simple' trace backend,
> [t...@system]$ qemu -trace FILENAME IMAGE
> Allows the binary traces to be written to FILENAME instead of the option
> set at config-time.
>
> Also, this adds monitor sub-command 'set' to trace-file commands to
> dynamically change trace log file at runtime.
> Eg,
> (qemu)trace-file set FILENAME
> This allows one to set trace outputs to FILENAME from the default
> specified at startup.
>
> Changelog from v1 :
> - Cleanups.
[..snip..]
> + st_set_trace_file_enabled(false);
>
> - if (asprintf(&filename, CONFIG_TRACE_FILE, getpid()) < 0) {
> - return false;
> + free(trace_file_name);
> +
> + if (!file) {
> + if (asprintf(&trace_file_name, CONFIG_TRACE_FILE, getpid()) < 0) {
> + trace_file_name = NULL;
> + return false;
Tab here.
> + }
> + } else {
> + if (asprintf(&trace_file_name, "%s", file) < 0) {
> + trace_file_name = NULL;
> + return false;
> + }
> }
>
[..snip..]
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