[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-134-gc145b9c

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-134-gc145b9c

[dsmith]

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      from  fd6fef3d049555f7af24ba94fbcf42a846390dd1 (commit)

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- Log -----------------------------------------------------------------
commit c145b9cb053a1275865302d23fb3072143534fc8
Author: David Smith <dsmith@redhat.com>
Date:   Thu Jul 9 15:16:57 2009 -0500

    Added timer data flushing and overwrite handling to the ring_buffer transport.
    * buildrun.cxx (compile_pass): Checks for ring_buffer api change.
    * runtime/autoconf-ring_buffer-flags.c: New file.
    * runtime/transport/ring_buffer.c (tracing_wait_pipe): No longer
      schedules, just returns.  The timer function will handle it later.
      (_stp_data_write_reserve): Handles ring_buffer api change.  Added
      overwrite processing.  If we're full, delete an event to make room.
      (_stp_data_write_commit): Handles ring_buffer api change.
      (__stp_relay_wakeup_timer): New function.
      (__stp_relay_timer_start): Ditto.
      (__stp_relay_timer_stop): Ditto.
      (_stp_transport_data_fs_start): Calls __stp_relay_timer_start().
      (_stp_transport_data_fs_stop): Calls __stp_relay_timer_stop().
      (_stp_transport_data_fs_overwrite): Sets overwrite flag.

-----------------------------------------------------------------------

Summary of changes:
 buildrun.cxx                         |    1 +
 runtime/autoconf-ring_buffer-flags.c |    6 ++
 runtime/transport/ring_buffer.c      |  136 ++++++++++++++++++++++++----------
 3 files changed, 103 insertions(+), 40 deletions(-)
 create mode 100644 runtime/autoconf-ring_buffer-flags.c


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systemtap: system-wide probe/trace tool