From: Andi Kleen <andi@firstfloor.org>
To: linux-kernel@vger.kernel.org
Cc: acme@redhat.com, peterz@infradead.org, jolsa@redhat.com,
eranian@google.com, mingo@kernel.org,
Andi Kleen <ak@linux.intel.com>
Subject: [PATCH 09/33] perf, x86: Support LBR filtering by INTX/NOTX/ABORT v2
Date: Fri, 26 Oct 2012 13:29:51 -0700 [thread overview]
Message-ID: <1351283415-13170-10-git-send-email-andi@firstfloor.org> (raw)
In-Reply-To: <1351283415-13170-1-git-send-email-andi@firstfloor.org>
From: Andi Kleen <ak@linux.intel.com>
Add LBR filtering for branch in transaction, branch not in transaction
or transaction abort. This is exposed as new sample types.
v2: Rename ABORT to ABORTTX
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/x86/kernel/cpu/perf_event_intel_lbr.c | 31 +++++++++++++++++++++++++--
include/uapi/linux/perf_event.h | 5 +++-
2 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
index ad5af13..5455a00 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c
@@ -85,9 +85,13 @@ enum {
X86_BR_JMP = 1 << 9, /* jump */
X86_BR_IRQ = 1 << 10,/* hw interrupt or trap or fault */
X86_BR_IND_CALL = 1 << 11,/* indirect calls */
+ X86_BR_ABORT = 1 << 12,/* transaction abort */
+ X86_BR_INTX = 1 << 13,/* in transaction */
+ X86_BR_NOTX = 1 << 14,/* not in transaction */
};
#define X86_BR_PLM (X86_BR_USER | X86_BR_KERNEL)
+#define X86_BR_ANYTX (X86_BR_NOTX | X86_BR_INTX)
#define X86_BR_ANY \
(X86_BR_CALL |\
@@ -99,6 +103,7 @@ enum {
X86_BR_JCC |\
X86_BR_JMP |\
X86_BR_IRQ |\
+ X86_BR_ABORT |\
X86_BR_IND_CALL)
#define X86_BR_ALL (X86_BR_PLM | X86_BR_ANY)
@@ -347,6 +352,16 @@ static void intel_pmu_setup_sw_lbr_filter(struct perf_event *event)
if (br_type & PERF_SAMPLE_BRANCH_IND_CALL)
mask |= X86_BR_IND_CALL;
+
+ if (br_type & PERF_SAMPLE_BRANCH_ABORTTX)
+ mask |= X86_BR_ABORT;
+
+ if (br_type & PERF_SAMPLE_BRANCH_INTX)
+ mask |= X86_BR_INTX;
+
+ if (br_type & PERF_SAMPLE_BRANCH_NOTX)
+ mask |= X86_BR_NOTX;
+
/*
* stash actual user request into reg, it may
* be used by fixup code for some CPU
@@ -393,7 +408,8 @@ int intel_pmu_setup_lbr_filter(struct perf_event *event)
/*
* no LBR on this PMU
*/
- if (!x86_pmu.lbr_nr || x86_pmu.intel_cap.lbr_format > LBR_FORMAT_MAX_KNOWN)
+ if (!x86_pmu.lbr_nr ||
+ x86_pmu.intel_cap.lbr_format > LBR_FORMAT_MAX_KNOWN)
return -EOPNOTSUPP;
/*
@@ -421,7 +437,7 @@ int intel_pmu_setup_lbr_filter(struct perf_event *event)
* decoded (e.g., text page not present), then X86_BR_NONE is
* returned.
*/
-static int branch_type(unsigned long from, unsigned long to)
+static int branch_type(unsigned long from, unsigned long to, int abort)
{
struct insn insn;
void *addr;
@@ -441,6 +457,9 @@ static int branch_type(unsigned long from, unsigned long to)
if (from == 0 || to == 0)
return X86_BR_NONE;
+ if (abort)
+ return X86_BR_ABORT | to_plm;
+
if (from_plm == X86_BR_USER) {
/*
* can happen if measuring at the user level only
@@ -577,7 +596,13 @@ intel_pmu_lbr_filter(struct cpu_hw_events *cpuc)
from = cpuc->lbr_entries[i].from;
to = cpuc->lbr_entries[i].to;
- type = branch_type(from, to);
+ type = branch_type(from, to, cpuc->lbr_entries[i].abort);
+ if (type != X86_BR_NONE && (br_sel & X86_BR_ANYTX)) {
+ if (cpuc->lbr_entries[i].intx)
+ type |= X86_BR_INTX;
+ else
+ type |= X86_BR_NOTX;
+ }
/* if type does not correspond, then discard */
if (type == X86_BR_NONE || (br_sel & type) != type) {
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 4f63c05..8e38823 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -155,8 +155,11 @@ enum perf_branch_sample_type {
PERF_SAMPLE_BRANCH_ANY_CALL = 1U << 4, /* any call branch */
PERF_SAMPLE_BRANCH_ANY_RETURN = 1U << 5, /* any return branch */
PERF_SAMPLE_BRANCH_IND_CALL = 1U << 6, /* indirect calls */
+ PERF_SAMPLE_BRANCH_ABORTTX = 1U << 7, /* transaction aborts */
+ PERF_SAMPLE_BRANCH_INTX = 1U << 8, /* in transaction (flag) */
+ PERF_SAMPLE_BRANCH_NOTX = 1U << 9, /* not in transaction (flag) */
- PERF_SAMPLE_BRANCH_MAX = 1U << 7, /* non-ABI */
+ PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */
};
#define PERF_SAMPLE_BRANCH_PLM_ALL \
--
1.7.7.6
next prev parent reply other threads:[~2012-10-26 20:30 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 20:29 perf PMU support for Haswell v4 Andi Kleen
2012-10-26 20:29 ` [PATCH 01/33] perf, x86: Add PEBSv2 record support Andi Kleen
2012-10-29 10:08 ` Namhyung Kim
2012-10-29 10:13 ` Andi Kleen
2012-10-29 10:23 ` Peter Zijlstra
2012-10-26 20:29 ` [PATCH 02/33] perf, x86: Basic Haswell PMU support v2 Andi Kleen
2012-10-26 20:29 ` [PATCH 03/33] perf, x86: Basic Haswell PEBS support v3 Andi Kleen
2012-10-26 20:29 ` [PATCH 04/33] perf, x86: Support the TSX intx/intx_cp qualifiers v2 Andi Kleen
2012-10-26 20:29 ` [PATCH 05/33] perf, kvm: Support the intx/intx_cp modifiers in KVM arch perfmon emulation v3 Andi Kleen
2012-10-30 9:25 ` Gleb Natapov
2012-10-26 20:29 ` [PATCH 06/33] perf, x86: Support PERF_SAMPLE_ADDR on Haswell Andi Kleen
2012-10-26 20:29 ` [PATCH 07/33] perf, x86: Support Haswell v4 LBR format Andi Kleen
2012-10-26 20:29 ` [PATCH 08/33] perf, x86: Disable LBR recording for unknown LBR_FMT Andi Kleen
2012-10-26 20:29 ` Andi Kleen [this message]
2012-10-26 20:29 ` [PATCH 10/33] perf, tools: Add abort,notx,intx branch filter options to perf report -j v2 Andi Kleen
2012-10-29 10:19 ` Namhyung Kim
2012-10-26 20:29 ` [PATCH 11/33] perf, tools: Support sorting by intx, abort branch flags Andi Kleen
2012-10-26 20:29 ` [PATCH 12/33] perf, x86: Support full width counting Andi Kleen
2012-10-26 20:29 ` [PATCH 13/33] perf, x86: Avoid checkpointed counters causing excessive TSX aborts v3 Andi Kleen
2012-10-26 20:29 ` [PATCH 14/33] perf, core: Add a concept of a weightened sample Andi Kleen
2012-10-26 20:29 ` [PATCH 15/33] perf, x86: Support weight samples for PEBS Andi Kleen
2012-10-26 20:29 ` [PATCH 16/33] perf, tools: Add support for weight v2 Andi Kleen
2012-10-29 10:44 ` Namhyung Kim
2012-10-29 11:02 ` Andi Kleen
2012-10-26 20:29 ` [PATCH 17/33] perf, tools: Handle XBEGIN like a jump Andi Kleen
2012-10-26 20:30 ` [PATCH 18/33] perf, x86: Support for printing PMU state on spurious PMIs v3 Andi Kleen
2012-10-26 20:30 ` [PATCH 19/33] perf, core: Add generic transaction flags Andi Kleen
2012-10-26 20:30 ` [PATCH 20/33] perf, x86: Add Haswell specific transaction flag reporting Andi Kleen
2012-10-26 20:30 ` [PATCH 21/33] perf, tools: Add support for record transaction flags Andi Kleen
2012-10-29 10:49 ` Namhyung Kim
2012-10-26 20:30 ` [PATCH 22/33] perf, tools: Point --sort documentation to --help Andi Kleen
2012-10-26 20:30 ` [PATCH 23/33] perf, tools: Add browser support for transaction flags Andi Kleen
2012-10-26 20:30 ` [PATCH 24/33] perf, tools: Move parse_events error printing to parse_events_options Andi Kleen
2012-10-27 19:08 ` Jiri Olsa
2012-10-30 11:58 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2012-10-26 20:30 ` [PATCH 25/33] perf, tools: Support events with - in the name Andi Kleen
2012-10-27 19:32 ` Jiri Olsa
2012-10-26 20:30 ` [PATCH 26/33] perf, x86: Report the arch perfmon events in sysfs Andi Kleen
2012-10-26 20:30 ` [PATCH 27/33] tools, perf: Add a precise event qualifier Andi Kleen
2012-10-27 19:35 ` Jiri Olsa
2012-10-28 19:13 ` Andi Kleen
2012-10-28 19:24 ` Jiri Olsa
2012-10-28 20:06 ` Andi Kleen
2012-10-26 20:30 ` [PATCH 28/33] perf, x86: Add Haswell TSX event aliases Andi Kleen
2012-10-26 20:30 ` [PATCH 29/33] perf, tools: Add perf stat --transaction v2 Andi Kleen
2012-10-26 20:30 ` [PATCH 30/33] perf, x86: Add a Haswell precise instructions event Andi Kleen
2012-10-26 20:30 ` [PATCH 31/33] perf, tools: Support generic events as pmu event names v2 Andi Kleen
2012-10-27 19:42 ` Jiri Olsa
2012-10-28 19:12 ` Andi Kleen
2012-10-29 9:23 ` Peter Zijlstra
2012-10-26 20:30 ` [PATCH 32/33] perf, tools: Default to cpu// for events v2 Andi Kleen
2012-10-27 20:16 ` Jiri Olsa
2012-10-26 20:30 ` [PATCH 33/33] perf, tools: List kernel supplied event aliases in perf list v2 Andi Kleen
2012-10-27 20:20 ` Jiri Olsa
2012-10-28 19:05 ` Andi Kleen
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