Messages in this thread | | | Date | Thu, 6 Sep 2018 13:04:00 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH v7 2/2]: perf record: enable asynchronous trace writing |
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On Wed, Sep 05, 2018 at 10:39:25AM +0300, Alexey Budankov wrote:
SNIP
> -static int record__pushfn(void *to, void *bf, size_t size) > +static int record__pushfn(void *to, struct aiocb *cblock, void *data, size_t size) > { > + off_t off; > struct record *rec = to; > + int ret, trace_fd = rec->session->data->file.fd; > > rec->samples++; > - return record__write(rec, bf, size); > + > + off = > + lseek(trace_fd, 0, SEEK_CUR); > + lseek(trace_fd, off + size, SEEK_SET); > + > + ret = record__aio_write(cblock, trace_fd, data, size, off); > + if (!ret) { > + rec->bytes_written += size; > + if (switch_output_size(rec)) > + trigger_hit(&switch_output_trigger);
why do you need to call switch output from here?
jirka
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