[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.9-324-g0ec1af8

[hiramatu at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 0ec1af8d6f51d29ee6191a0160e934bef1dd94d3
Author: Masami Hiramatsu <mhiramat@redhat.com>
Date:   Wed Sep 16 16:08:38 2009 -0400

    Add signal based file switching testcase
    
    * testsuite/systemtap.base/flightrec1.exp: Add signal file switching testcase.
    * testsuite/systemtap.base/flightrec4.exp: New test for signal file switching
      with file number limits.
    * testsuite/systemtap.base/flightrec5.exp: New test for signal file switching
      with file number limits on bulk mode.

commit c3a32b01d74946d8ae4d79534aeb194f1c66c72a
Author: Masami Hiramatsu <mhiramat@redhat.com>
Date:   Wed Sep 16 16:08:38 2009 -0400

    Signal-based file switching support for old relay
    
    * runtime/staprun/relay_old.c (switch_oldoutfile): New function for file
      switching.
      (process_subbufs): Use switch_oldoutfile.
      (reader_thread): Use ppoll() instead of poll() for receiving SIGUSR2
      and switch output file when receiving a signal(SIGUSR2).
      (switchfile_handler): Send SIGUSR2 signal to reader threads for file
      switching.
      (init_oldrelayfs): Assign switchfile_handler to SIGUSR2.

commit bc7cd435fc98bb3af93b6dc09a2c1f5e3b0423d9
Author: Masami Hiramatsu <mhiramat@redhat.com>
Date:   Wed Sep 16 16:08:25 2009 -0400

    Signal-based file switching support for relay/ring buffer.
    
    * runtime/staprun/relay.c (switch_outfile): New function for file switching.
      (reader_thread): Don't assign empty_handler to SIGUSR2, and switch output
      file when receiving signal(SIGUSR2) on ppoll.
      (switchfile_handler): Send SIGUSR2 signal to reader threads for file
      switching.
      (init_relayfs): Assign switchfile_handler to SIGUSR2.
    * staprun.1.in: Add FILE SWITCHING BY SIGNAL section.

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

Summary of changes:
 NEWS                                    |    3 +
 runtime/staprun/relay.c                 |   83 ++++++++++++++++++++++--------
 runtime/staprun/relay_old.c             |   82 +++++++++++++++++++++++++-----
 staprun.8.in                            |   33 ++++++++++++
 testsuite/systemtap.base/flightrec1.exp |   12 ++++-
 testsuite/systemtap.base/flightrec4.exp |   56 +++++++++++++++++++++
 testsuite/systemtap.base/flightrec5.exp |   64 ++++++++++++++++++++++++
 7 files changed, 296 insertions(+), 37 deletions(-)
 create mode 100644 testsuite/systemtap.base/flightrec4.exp
 create mode 100644 testsuite/systemtap.base/flightrec5.exp


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