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libpfm4: perf_event example code for AMD IBS

PATCH New Robert Richter 1 participant 3 messages Apr 15, 2010 – Oct 18, 2010 1 message not in the archive

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Robert Richter

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#1 lore raw

PATCH 3/3 libpfm4: perf_event example code for AMD IBS

This patch includes an example to use IBS via perf_event. It is for the kernel patches I sent some days ago:

http://lkml.org/lkml/2010/4/13/336

Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>

Signed-off-by Robert Richter <[email protected]>
---
 include/perfmon/perf_event.h |    3 +-
 perf_examples/x86/Makefile   |    2 +-
 perf_examples/x86/ibs_smpl.c |  690 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 693 insertions(+), 2 deletions(-)
 create mode 100644 perf_examples/x86/ibs_smpl.c
include/perfmon/perf_event.h +2 -1
index ec9f86a..b2c1db6 100644
@@ -206,7 +206,8 @@ struct perf_event_attr {
 			task           :  1, /* trace fork/exit       */
 			watermark      :  1, /* wakeup_watermark      */
 			precise        :  1, /* OoO invariant counter */
-			__reserved_1   : 48;
+			model_spec     :  1, /* model specific hw event */
+			__reserved_1   : 47;
 
 	union {
 		uint32_t	wakeup_events;		/* wakeup every n events */
perf_examples/x86/Makefile +1 -1
index a469a00..657055a 100644
@@ -36,7 +36,7 @@ TARGETS=
 
 ifeq ($(SYS),Linux)
 LPC_UTILS=../perf_util.o
-TARGETS += bts_smpl pebs_smpl
+TARGETS += bts_smpl pebs_smpl ibs_smpl
 endif
 
 EXAMPLESDIR=$(DOCDIR)/perf_examples/x86
perf_examples/x86/ibs_smpl.c new file +690 -0

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author
#2 lore raw

PATCH 1/1 libpfm4: perf_event example code for AMD IBS

Quoted 10 lines · Robert Richter

This patch includes an example to use IBS via perf_event. It is for the kernel patches I sent some days ago:

http://lkml.org/lkml/2010/4/13/336

Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>

Signed-off-by Robert Richter <[email protected]>

For those interested in, see my updated version below for current libpfm4 and my latest perf-ibs patches:

git://perfmon2.git.sourceforge.net/gitroot/perfmon2/libpfm4 master fc4727f Add CONFIG_PFMLIB_NOPYTHON to disable building python directory

git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git perf-ibs 85a1e6a perf, x86: implement the ibs interrupt handler

-Robert

--

Quoted 1 line

From 7a423ba97a645e0183eec52ddbec9453341ee88f Mon Sep 17 00:00:00 2001

From: Robert Richter <[email protected]>
Date: Thu, 15 Apr 2010 13:54:02 +0200
Subject: [PATCH] libpfm4: perf_event example code for AMD IBS

This patch includes an example to use IBS via perf_event. It is for the kernel patches I sent some days ago:

http://lkml.org/lkml/2010/4/13/336

Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
LKML-Reference: <[email protected]>

Signed-off-by Robert Richter <[email protected]>
---
 include/perfmon/perf_event.h |    5 +-
 perf_examples/x86/Makefile   |    2 +-
 perf_examples/x86/ibs_smpl.c |  675 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 680 insertions(+), 2 deletions(-)
 create mode 100644 perf_examples/x86/ibs_smpl.c
include/perfmon/perf_event.h +4 -1
index bb1b343..8e1d14b 100644
@@ -222,7 +222,10 @@ struct perf_event_attr {
 		uint32_t	wakeup_watermark;	/* bytes before wakeup */
 	} SWIG_NAME(wakeup);
 
-	uint32_t        bp_type;
+	union {
+		uint32_t        bp_type;
+		uint32_t        raw_type;
+	};
 	uint64_t        bp_addr;
 	uint64_t        bp_len;
 };
perf_examples/x86/Makefile +1 -1
index 7a0e805..e2ebecb 100644
@@ -36,7 +36,7 @@ TARGETS=
 
 ifeq ($(SYS),Linux)
 LPC_UTILS=../perf_util.o
-TARGETS += bts_smpl
+TARGETS += bts_smpl ibs_smpl
 endif
 
 EXAMPLESDIR=$(DOCDIR)/perf_examples/x86
perf_examples/x86/ibs_smpl.c new file +675 -0

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1.7.3.1


-- 
Advanced Micro Devices, Inc.
Operating System Research Center
author
#3 lore raw

PATCH 3/3 libpfm4: perf_event example code for AMD IBS

In reply to a message not in the archive

(resent, fixing cc list)

This patch includes an example to use IBS via perf_event. It is for the kernel patches I sent some days ago:

http://lkml.org/lkml/2010/4/13/336

Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>

Signed-off-by Robert Richter <[email protected]>
---
 include/perfmon/perf_event.h |    3 +-
 perf_examples/x86/Makefile   |    2 +-
 perf_examples/x86/ibs_smpl.c |  690 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 693 insertions(+), 2 deletions(-)
 create mode 100644 perf_examples/x86/ibs_smpl.c
include/perfmon/perf_event.h +2 -1
index ec9f86a..b2c1db6 100644
@@ -206,7 +206,8 @@ struct perf_event_attr {
 			task           :  1, /* trace fork/exit       */
 			watermark      :  1, /* wakeup_watermark      */
 			precise        :  1, /* OoO invariant counter */
-			__reserved_1   : 48;
+			model_spec     :  1, /* model specific hw event */
+			__reserved_1   : 47;
 
 	union {
 		uint32_t	wakeup_events;		/* wakeup every n events */
perf_examples/x86/Makefile +1 -1
index a469a00..657055a 100644
@@ -36,7 +36,7 @@ TARGETS=
 
 ifeq ($(SYS),Linux)
 LPC_UTILS=../perf_util.o
-TARGETS += bts_smpl pebs_smpl
+TARGETS += bts_smpl pebs_smpl ibs_smpl
 endif
 
 EXAMPLESDIR=$(DOCDIR)/perf_examples/x86
perf_examples/x86/ibs_smpl.c new file +690 -0

690 lines not on this page · raw message

Signature · 1 line
1.7.0.3