linux-kernel - [PATCH 11/22] ACPICA: Executer: Add option to bypass opcode tracing.

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Message-Id: <96198f468045ae692e2e07f86d0a65ebcc06ea90.1437627016.git.lv.zheng@intel.com>
Date:	Thu, 23 Jul 2015 12:53:15 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Bob Moore <robert.moore@...el.com>
Subject: [PATCH 11/22] ACPICA: Executer: Add option to bypass opcode tracing.

ACPICA commit 61e9e20aadfaa03184d0959fbdc1fa5cdfea2551

This patch adds option to bypass opcode tracing. The option can be used to
reduce the trace message output. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/61e9e20a
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
Signed-off-by: Bob Moore <robert.moore@...el.com>
---
 drivers/acpi/acpica/exdebug.c |    6 ++++--
 include/acpi/acoutput.h       |    5 +++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index 708b2ae..de92458 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -598,7 +598,8 @@ acpi_ex_start_trace_opcode(union acpi_parse_object *op,
 
 	ACPI_FUNCTION_NAME(ex_start_trace_opcode);
 
-	if (acpi_ex_interpreter_trace_enabled(NULL)) {
+	if (acpi_ex_interpreter_trace_enabled(NULL) &&
+	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
 		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE,
 				 op->common.aml, op->common.aml_op_name);
 	}
@@ -625,7 +626,8 @@ acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
 
 	ACPI_FUNCTION_NAME(ex_stop_trace_opcode);
 
-	if (acpi_ex_interpreter_trace_enabled(NULL)) {
+	if (acpi_ex_interpreter_trace_enabled(NULL) &&
+	    (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) {
 		ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE,
 				 op->common.aml, op->common.aml_op_name);
 	}
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index c3f0ac1..908d4f9 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -187,8 +187,9 @@
 /*
  * Global trace flags
  */
-#define ACPI_TRACE_ENABLED          ((u32) 2)
-#define ACPI_TRACE_ONESHOT          ((u32) 1)
+#define ACPI_TRACE_ENABLED          ((u32) 4)
+#define ACPI_TRACE_ONESHOT          ((u32) 2)
+#define ACPI_TRACE_OPCODE           ((u32) 1)
 
 /* Defaults for trace debugging level/layer */
 
-- 
1.7.10

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