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authorLv Zheng <lv.zheng@intel.com>2015-07-23 12:53:07 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-07-23 23:09:07 +0200
commitbab0482418885627babfd1a6ca4e57a809712474 (patch)
tree8e28351551ee4c308295130ef45dd25bc4ee0cb3 /drivers/acpi/acpica
parentab6c573320768c36ac629be3db79ad62445aae64 (diff)
downloadlinux-linaro-stable-bab0482418885627babfd1a6ca4e57a809712474.tar.gz
ACPICA: Executer: Add OSL trace hook support
ACPICA commit e8e4a9b19d0b72a7b165398bdc961fc2f6f502ec This patch adds OSL trace hook support. OSPMs are encouraged to use acpi_os_trace_point() with ACPI_USE_SYSTEM_TRACER defined to implement platform specific trace facility. Lv Zheng. Link: https://github.com/acpica/acpica/commit/e8e4a9b1 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r--drivers/acpi/acpica/acinterp.h4
-rw-r--r--drivers/acpi/acpica/exdebug.c125
-rw-r--r--drivers/acpi/acpica/utdebug.c31
3 files changed, 122 insertions, 38 deletions
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index a3c6e2ab93bb..e820ed8f173f 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -149,6 +149,10 @@ void
acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
struct acpi_walk_state *walk_state);
+void
+acpi_ex_trace_point(acpi_trace_event_type type,
+ u8 begin, u8 *aml, char *pathname);
+
/*
* exfield - ACPI AML (p-code) execution - field manipulation
*/
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index 00ba9fc85f47..708b2aed0145 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -52,6 +52,12 @@ ACPI_MODULE_NAME("exdebug")
static union acpi_operand_object *acpi_gbl_trace_method_object = NULL;
+/* Local prototypes */
+
+#ifdef ACPI_DEBUG_OUTPUT
+static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type);
+#endif
+
#ifndef ACPI_NO_ERROR_MESSAGES
/*******************************************************************************
*
@@ -365,6 +371,78 @@ static u8 acpi_ex_interpreter_trace_enabled(char *name)
/*******************************************************************************
*
+ * FUNCTION: acpi_ex_get_trace_event_name
+ *
+ * PARAMETERS: type - Trace event type
+ *
+ * RETURN: Trace event name.
+ *
+ * DESCRIPTION: Used to obtain the full trace event name.
+ *
+ ******************************************************************************/
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type)
+{
+ switch (type) {
+ case ACPI_TRACE_AML_METHOD:
+
+ return "Method";
+
+ case ACPI_TRACE_AML_OPCODE:
+
+ return "Opcode";
+
+ case ACPI_TRACE_AML_REGION:
+
+ return "Region";
+
+ default:
+
+ return "";
+ }
+}
+
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_trace_point
+ *
+ * PARAMETERS: type - Trace event type
+ * begin - TRUE if before execution
+ * aml - Executed AML address
+ * pathname - Object path
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Internal interpreter execution trace.
+ *
+ ******************************************************************************/
+
+void
+acpi_ex_trace_point(acpi_trace_event_type type,
+ u8 begin, u8 *aml, char *pathname)
+{
+
+ ACPI_FUNCTION_NAME(ex_trace_point);
+
+ if (pathname) {
+ ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
+ "%s %s [0x%p:%s] execution.\n",
+ acpi_ex_get_trace_event_name(type),
+ begin ? "Begin" : "End", aml, pathname));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
+ "%s %s [0x%p] execution.\n",
+ acpi_ex_get_trace_event_name(type),
+ begin ? "Begin" : "End", aml));
+ }
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ex_start_trace_method
*
* PARAMETERS: method_node - Node of the method
@@ -417,16 +495,9 @@ acpi_ex_start_trace_method(struct acpi_namespace_node *method_node,
exit:
if (enabled) {
- if (pathname) {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "Begin method [0x%p:%s] execution.\n",
- obj_desc->method.aml_start,
- pathname));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "Begin method [0x%p] execution.\n",
- obj_desc->method.aml_start));
- }
+ ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE,
+ obj_desc ? obj_desc->method.aml_start : NULL,
+ pathname);
}
if (pathname) {
ACPI_FREE(pathname);
@@ -473,16 +544,9 @@ acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node,
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (enabled) {
- if (pathname) {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "End method [0x%p:%s] execution.\n",
- obj_desc->method.aml_start,
- pathname));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "End method [0x%p] execution.\n",
- obj_desc->method.aml_start));
- }
+ ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE,
+ obj_desc ? obj_desc->method.aml_start : NULL,
+ pathname);
}
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
@@ -535,20 +599,8 @@ 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 (walk_state->op_info) {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "Begin opcode: %s[0x%p] Class=0x%02x, Type=0x%02x, Flags=0x%04x.\n",
- op->common.aml_op_name,
- op->common.aml,
- walk_state->op_info->class,
- walk_state->op_info->type,
- walk_state->op_info->flags));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "Begin opcode: %s[0x%p].\n",
- op->common.aml_op_name,
- op->common.aml));
- }
+ ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE,
+ op->common.aml, op->common.aml_op_name);
}
}
@@ -574,8 +626,7 @@ acpi_ex_stop_trace_opcode(union acpi_parse_object *op,
ACPI_FUNCTION_NAME(ex_stop_trace_opcode);
if (acpi_ex_interpreter_trace_enabled(NULL)) {
- ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
- "End opcode: %s[0x%p].\n",
- op->common.aml_op_name, op->common.aml));
+ ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE,
+ op->common.aml, op->common.aml_op_name);
}
}
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index cd02693841db..4146229103c8 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -45,6 +45,7 @@
#include <acpi/acpi.h>
#include "accommon.h"
+#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utdebug")
@@ -560,8 +561,37 @@ acpi_ut_ptr_exit(u32 line_number,
}
}
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_trace_point
+ *
+ * PARAMETERS: type - Trace event type
+ * begin - TRUE if before execution
+ * aml - Executed AML address
+ * pathname - Object path
+ * pointer - Pointer to the related object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Interpreter execution trace.
+ *
+ ******************************************************************************/
+
+void
+acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
+{
+
+ ACPI_FUNCTION_ENTRY();
+
+ acpi_ex_trace_point(type, begin, aml, pathname);
+
+#ifdef ACPI_USE_SYSTEM_TRACER
+ acpi_os_trace_point(type, begin, aml, pathname);
#endif
+}
+ACPI_EXPORT_SYMBOL(acpi_trace_point)
+#endif
#ifdef ACPI_APPLICATION
/*******************************************************************************
*
@@ -575,7 +605,6 @@ acpi_ut_ptr_exit(u32 line_number,
* DESCRIPTION: Print error message to the console, used by applications.
*
******************************************************************************/
-
void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...)
{
va_list args;