[Bug runtime/12620] New: Eliminate polling in runtime/transport/ring_buffer.c

[wcohen at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=12620

           Summary: Eliminate polling in runtime/transport/ring_buffer.c
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: runtime
        AssignedTo: systemtap@sourceware.org
        ReportedBy: wcohen@redhat.com


When a systemtap script is started the runtime transport ring buffer code
starts polling at 100 times a second. Even if a script has no output at all the
transport code still polls at 100 times a second. It would be nice particularly
for scripts that are doing system health monitoring, if the polling was removed
and the transport code only started when there was something to actually read
from the ring buffers.

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