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From: seranian <seranian@us...> - 2010-11-19 15:17:43
|
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "libpfm4".
The branch, master has been updated
via 01c6dcedc9330442bac2834ddcb7ea6bfc525e9d (commit)
from d7520a7a6564272efd3be79c045fe411c288ed71 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 01c6dcedc9330442bac2834ddcb7ea6bfc525e9d
Author: Stephane Eranian <eranian@...>
Date: Fri Nov 19 16:16:57 2010 +0100
add Intel Nehalem/Westmere OFFCORE_RESPONSE event support
The OFFCORE_RESPONSE is a special event available on Intel
Nehalem and Westmere based processor. It is documented in
Intel Vol3b Section 30.6.1.3.
The event requires an extra MSR to be programmed in order
to count properly. The extra MSR contains the actual umasks
for the event.
OFFCORE_RESPONSE is a very useful event for people interested
in measuring the memory subsystem. Nehalem offers once instance
of the event: OFFCORE_RESPONSE_0. Westmere offers two instances
which can be measured concurrently: OFFCORE_RESPONSE_0 and
OFFCORE_RESPONSE_1.
The umasks are divided in two groups: request, response. The
request filters the type of memory access you want to measure,
whereas the response filters the type of location where the
cacheline is serviced. User must provide at least on umask in
each group. The library checks for this constraint.
The support for the event is provided for both the RAW, i.e.,
pure HW mode, and also for perf_events, thru the dedicated
entry point: pfm_get_perf_event_encoding().
The support for OFFCORE_RESPONSE in perf_events should appear
in 2.6.37. A patch was recently posted on LKML by Andi Kleen.
The man pages for Intel Nehalem and Westmere have been updated
accordingly.
Signed-off-by: Stephane Eranian <eranian@...>
-----------------------------------------------------------------------
Summary of changes:
docs/man3/libpfm_intel_nhm.3 | 17 +++
docs/man3/libpfm_intel_wsm.3 | 18 +++
lib/events/intel_nhm_events.h | 157 +++++++++++-----------------
lib/events/intel_wsm_events.h | 229 ++++++++++++++++++++++++++++++++++++++++-
lib/pfmlib_intel_x86.c | 61 +++++++-----
lib/pfmlib_intel_x86_priv.h | 1 +
lib/pfmlib_perf_event.c | 15 +++-
lib/pfmlib_priv.h | 1 +
8 files changed, 376 insertions(+), 123 deletions(-)
hooks/post-receive
--
libpfm4
|
|
From: seranian <seranian@us...> - 2010-11-19 14:13:02
|
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "libpfm4".
The branch, master has been updated
via d7520a7a6564272efd3be79c045fe411c288ed71 (commit)
from 772e9e923549b5752491747a8bc33a73eda59a21 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit d7520a7a6564272efd3be79c045fe411c288ed71
Author: Stephane Eranian <eranian@...>
Date: Fri Nov 19 15:12:15 2010 +0100
fix memory leak in get_perf_event_encoding()
In case of error, codes was not always freed.
Signed-off-by: Stephane Eranian <eranian@...>
-----------------------------------------------------------------------
Summary of changes:
lib/pfmlib_perf_event.c | 19 ++++++++++++-------
1 files changed, 12 insertions(+), 7 deletions(-)
hooks/post-receive
--
libpfm4
|
|
From: seranian <seranian@us...> - 2010-11-19 13:49:47
|
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "libpfm4".
The branch, master has been updated
via 772e9e923549b5752491747a8bc33a73eda59a21 (commit)
from 2fa9a53944a83713a3b265a66c296a4263b7dde2 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 772e9e923549b5752491747a8bc33a73eda59a21
Author: Stephane Eranian <eranian@...>
Date: Fri Nov 19 14:44:38 2010 +0100
Make perf_event user API + evt2raw compile when not on Linux host
The pfm_get_perf_event_encoding() API is generic and can be
exercised event when not running on Linux host, so make it compile
everywhere.
Simialrly, the evt2raw example is generic, i.e., it does not make
any perf_event syscall, so make it compile everywhere as well.
Signed-off-by: Stephane Eranian <eranian@...>
-----------------------------------------------------------------------
Summary of changes:
lib/Makefile | 3 ++-
perf_examples/Makefile | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
hooks/post-receive
--
libpfm4
|
|
From: seranian <seranian@us...> - 2010-11-19 10:51:59
|
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "libpfm4".
The branch, master has been updated
via 2fa9a53944a83713a3b265a66c296a4263b7dde2 (commit)
from b5fd1e7085bd2d21a9fc1256fe3bc69cf5d814f5 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 2fa9a53944a83713a3b265a66c296a4263b7dde2
Author: Stephane Eranian <eranian@...>
Date: Fri Nov 19 11:38:19 2010 +0100
fix typo with umask name for MEM_LOAD_REITRED:LATENCY_ABOVE_THRESHOLD
Description and umask name got mixed up.
Signed-off-by: Stephane Eranian <eranian@...>
-----------------------------------------------------------------------
Summary of changes:
lib/events/intel_wsm_events.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
hooks/post-receive
--
libpfm4
|
|
From: seranian <seranian@us...> - 2010-11-19 10:21:44
|
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "libpfm4".
The branch, master has been updated
via b5fd1e7085bd2d21a9fc1256fe3bc69cf5d814f5 (commit)
from 9fd2ee5fa52b33decdcd05f50176676376990c4a (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit b5fd1e7085bd2d21a9fc1256fe3bc69cf5d814f5
Author: Stephane Eranian <eranian@...>
Date: Fri Nov 19 11:20:35 2010 +0100
revert change to OUOPS_DECODED for Intel Nehalem
STALL_CYCLES does not seem to exist for Nehalem, unlike Westmere.
Signed-off-by: Stephane Eranian <eranian@...>
-----------------------------------------------------------------------
Summary of changes:
lib/events/intel_nhm_events.h | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)
hooks/post-receive
--
libpfm4
|