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SubjectRe: [PATCH v7 2/2]: perf record: enable asynchronous trace writing
On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote:

SNIP

> + } else if (errno != EAGAIN) {
> + cblock->aio_fildes = -1;
> + pr_err("failed to queue perf data, error: %m\n");
> + break;
> + }
> + } while (1);
> +
> + return rc;
> +}
> +
> +static int record__aio_sync(struct perf_mmap *md)
> +{

this is almost identical to record__aio_sync function,
it looks like we should be able to do the sync with
single function.. for both the in-between syncs and
the final one

jirka

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