[SCM] systemtap: system-wide probe/trace tool branch, pr7043, updated. release-0.9-124-g7d573b8

[SCM] systemtap: system-wide probe/trace tool branch, pr7043, updated. release-0.9-124-g7d573b8

[dsmith]

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The branch, pr7043 has been updated
       via  7d573b8d318836ef75d1f2888a50da230b7d83cc (commit)
       via  325d52059ed170a698dd4d13e2b418e8e9ab0862 (commit)
       via  8d1dd679bdbe3f4c40305fdbca0c1b4002913e87 (commit)
      from  c24cd76e91647ebdf98445439083c1b0e0a65dd4 (commit)

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- Log -----------------------------------------------------------------
commit 7d573b8d318836ef75d1f2888a50da230b7d83cc
Author: David Smith <dsmith@redhat.com>
Date:   Fri Mar 13 16:48:58 2009 -0500

    Working bulkmode support.
    2009-03-13  David Smith  <dsmith@redhat.com>
    
            * print_new.c (stp_print_flush): Added bulkmode support for new
            transport.
            * transport/ring_buffer.c (__stp_find_next_entry): Fixed syntax
            error in bulkmode code.
            (_stp_transport_data_fs_init): Changed 'for_each_possible_cpu()'
            to 'for_each_online_cpu()' so that non-online cpu's won't have a
            trace file created.

commit 325d52059ed170a698dd4d13e2b418e8e9ab0862
Author: David Smith <dsmith@redhat.com>
Date:   Fri Mar 13 14:22:56 2009 -0500

    More bulkmode support.
    2009-03-13  David Smith  <dsmith@redhat.com>
    
            * transport/ring_buffer.c (_stp_data_open_trace): Passes the
            inode's private data into the file's private data.
            (_stp_trace_seq_to_user): Deleted unused function.
            (trace_seq_reset): Ditto.
            (__stp_find_next_entry): Renamed and added bulkmode support.
            (_stp_find_next_entry): Updated call.
            (_stp_data_read_trace): Updated call.

commit 8d1dd679bdbe3f4c40305fdbca0c1b4002913e87
Author: David Smith <dsmith@redhat.com>
Date:   Fri Mar 13 13:22:10 2009 -0500

    More bulkmode support.  Only allows for one reader of all trace files.
    2009-03-13  David Smith  <dsmith@redhat.com>
    
            * transport/ring_buffer.c (__stp_free_ring_buffer): Frees
            _stp_trace_reader_cpumask.
            (__stp_alloc_ring_buffer): Allocates and clears
            _stp_trace_reader_cpumask.
            (_stp_data_open_trace): Instead of using an atomic variable, uses
            a cpumask variable to allow for only one reader of trace files.
            (_stp_data_release_trace): Clears cpumask when trace files are
            closed.

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

Summary of changes:
 runtime/print_new.c             |   97 ++++++++++++++++++++++++++++++++--
 runtime/transport/ring_buffer.c |  109 +++++++++++++++++++--------------------
 2 files changed, 144 insertions(+), 62 deletions(-)


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