On Fri, Oct 02, 2015 at 02:18:50PM +0900, Namhyung Kim wrote:
SNIP
> +static int record__merge_index_files(struct record *rec, int nr_index)
> +{
> + int i;
> + int ret = -ENOMEM;
> + u64 offset;
> + char path[PATH_MAX];
> + struct perf_file_section *idx;
> + struct perf_data_file *file = &rec->file;
> + struct perf_session *session = rec->session;
> + int output_fd = perf_data_file__fd(file);
> +
> + /* +1 for header file itself */
> + nr_index++;
> +
> + idx = calloc(nr_index, sizeof(*idx));
> + if (idx == NULL)
> + goto out_close;
> +
> + offset = lseek(output_fd, 0, SEEK_END);
> +
> + idx[0].offset = session->header.data_offset;
> + idx[0].size = offset - idx[0].offset;
> +
> + for (i = 1; i < nr_index; i++) {
> + struct stat stbuf;
> + int fd = rec->fds[i - 1];
> +
> + ret = fstat(fd, &stbuf);
> + if (ret < 0)
> + goto out_close;
> +
> + idx[i].offset = offset;
> + idx[i].size = stbuf.st_size;
> +
> + offset += stbuf.st_size;
> +
> + if (idx[i].size == 0)
> + continue;
> +
> + ret = copyfile_offset(fd, 0, output_fd, idx[i].offset,
> + idx[i].size);
> + if (ret < 0)
> + goto out_close;
> + }
> +
> + session->header.index = idx;
> + session->header.nr_index = nr_index;
> +
> + perf_has_index = true;
I might have asked earlier, but why is this global? seems like
perf_session member to me..
thanks,
jirka
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