On Tue, 15 Oct 2013 09:25:40 +0200, Ingo Molnar wrote: > * Namhyung Kim <namhy...@kernel.org> wrote: >> No, st_size is bigger than rec->bytes_written due to the >> perf_file_header which is written without updating rec->bytes_written. > > Since all this is code that executes once during __cmd_record(), is this > all about the header writeout? > > That is what confused me about the stat() call and that's messy really: we > are the ones who write the file header, we have a very good idea about how > many bytes we wrote to the file! It should be entirely unnecessary to lose > that information and then execute a system call to recover that > information...
Right, I think session->header.data_offset has the info already. Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
