[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.9-151-g4b9c969
dsmith@sourceware.org
dsmith@sourceware.org
Wed Aug 19 21:02:00 GMT 2009
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- Log -----------------------------------------------------------------
commit 4b9c969abcaeb089f7473e08cee420b99c4e287c
Merge: b1e56041f6f6bee89b1d4a7fb2f76d48cb21fbf2 b57ba9b863f0bd99f70d9e4d64c5a11ec75f7317
Author: David Smith <dsmith@redhat.com>
Date: Wed Aug 19 16:02:26 2009 -0500
Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
commit b1e56041f6f6bee89b1d4a7fb2f76d48cb21fbf2
Author: David Smith <dsmith@redhat.com>
Date: Wed Aug 19 16:01:45 2009 -0500
Updated with latest code.
* runtime/transport/ring_buffer.c (_stp_ring_buffer_disable_cpu): New
function.
(_stp_ring_buffer_enable_cpu): Ditto.
(_stp_ring_buffer_cpu_disabled): Ditto.
(_stp_ring_buffer_empty_cpu): Only checks online cpus (instead of all
possible cpus).
(_stp_find_next_event): Ditto.
(_stp_ring_buffer_iterator_increment): Calls
_stp_ring_buffer_disable_cpu()/_stp_ring_buffer_enable_cpu() around
ring_buffer_* calls.
(_stp_ring_buffer_consume): Ditto.
(_stp_peek_next_event): Ditto.
(_stp_buffer_iter_finish): New function.
(_stp_buffer_iter_start): Ditto.
(_stp_data_read_trace): Uses
_stp_buffer_iter_start()/_stp_buffer_iter_finish().
(_stp_data_write_reserve): Checks to see if the cpu is disabled (with
_stp_ring_buffer_cpu_disabled() before reserving memory. Uses
_stp_buffer_iter_start()/_stp_buffer_iter_finish().
(_stp_transport_data_fs_init): Initializes buffer iterators.
-----------------------------------------------------------------------
Summary of changes:
runtime/transport/ring_buffer.c | 215 ++++++++++++++++++++++++++-------------
1 files changed, 145 insertions(+), 70 deletions(-)
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