From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: peterz@infradead.org
Cc: linux-kernel@vger.kernel.org, mpe@ellerman.id.au,
benh@kernel.crashing.org,
Anshuman Khandual <khandual@linux.vnet.ibm.com>
Subject: [PATCH V6 1/4] perf: Add new conditional branch filter PERF_SAMPLE_BRANCH_COND
Date: Thu, 22 May 2014 12:50:07 +0530 [thread overview]
Message-ID: <1400743210-32289-1-git-send-email-khandual@linux.vnet.ibm.com> (raw)
This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which
will extend the existing perf ABI. This will filter branches which are
conditional. Various architectures can provide this functionality either
with HW filtering support (if present) or with SW filtering of captured
branch instructions.
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Reviewed-by: Stephane Eranian <eranian@google.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
---
include/uapi/linux/perf_event.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 853bc1c..696f69b4 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -163,8 +163,9 @@ enum perf_branch_sample_type {
PERF_SAMPLE_BRANCH_ABORT_TX = 1U << 7, /* transaction aborts */
PERF_SAMPLE_BRANCH_IN_TX = 1U << 8, /* in transaction */
PERF_SAMPLE_BRANCH_NO_TX = 1U << 9, /* not in transaction */
+ PERF_SAMPLE_BRANCH_COND = 1U << 10, /* conditional branches */
- PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */
+ PERF_SAMPLE_BRANCH_MAX = 1U << 11, /* non-ABI */
};
#define PERF_SAMPLE_BRANCH_PLM_ALL \
--
1.7.11.7
next reply other threads:[~2014-05-22 7:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-22 7:20 Anshuman Khandual [this message]
2014-05-22 7:20 ` [PATCH V6 2/4] perf, tool: Conditional branch filter 'cond' added to perf record Anshuman Khandual
2014-06-05 14:39 ` [tip:perf/core] perf/tool: Add conditional branch filter 'cond' " tip-bot for Anshuman Khandual
2014-05-22 7:20 ` [PATCH V6 3/4] x86, perf: Add conditional branch filtering support Anshuman Khandual
2014-06-05 14:39 ` [tip:perf/core] perf/x86: " tip-bot for Anshuman Khandual
2014-05-22 7:20 ` [PATCH V6 4/4] perf, documentation: Description for conditional branch filter Anshuman Khandual
2014-06-05 14:40 ` [tip:perf/core] perf/documentation: Add description " tip-bot for Anshuman Khandual
2014-06-05 14:39 ` [tip:perf/core] perf: Add new conditional branch filter ' PERF_SAMPLE_BRANCH_COND' tip-bot for Anshuman Khandual
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