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/** @file
Performance measurement protocol, allows logging performance data.
Copyright (c) 2017, Microsoft Corporation<BR>
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _PERFORMANCE_MEASUREMENT_H_
#define _PERFORMANCE_MEASUREMENT_H_
//
// GUID for Performance measurement Protocol
//
#define PERFORMANCE_MEASUREMENT_PROTOCOL_GUID \
{ 0xc85d06be, 0x5f75, 0x48ce, {0xa8, 0x0f, 0x12, 0x36, 0xba, 0x3b, 0x87, 0xb1 } }
#define SMM_PERFORMANCE_MEASUREMENT_PROTOCOL_GUID \
{ 0xd56b6d73, 0x1a7b, 0x4015, {0x9b, 0xb4, 0x7b, 0x07, 0x17, 0x29, 0xed, 0x24 } }
typedef struct _EDKII_PERFORMANCE_MEASUREMENT_PROTOCOL EDKII_PERFORMANCE_MEASUREMENT_PROTOCOL;
typedef enum {
PerfStartEntry, // used in StartPerformanceMeasurement()/StartPerformanceMeasurementEx()
// (map to PERF_START/PERF_START_EX)
PerfEndEntry, // used in EndPerformanceMeasurement()/EndPerformanceMeasurementEx()
// (map to PERF_END/PERF_END_EX)
PerfEntry // used in LogPerformanceMeasurement()
// (map to other Perf macros except above 4 macros)
} PERF_MEASUREMENT_ATTRIBUTE;
/**
Create performance record with event description and a timestamp.
@param CallerIdentifier - Image handle or pointer to caller ID GUID.
@param Guid - Pointer to a GUID.
@param String - Pointer to a string describing the measurement.
@param TimeStamp - 64-bit time stamp.
@param Address - Pointer to a location in memory relevant to the measurement.
@param Identifier - Performance identifier describing the type of measurement.
@param Attribute - The attribute of the measurement. According to attribute can create a start
record for PERF_START/PERF_START_EX, or a end record for PERF_END/PERF_END_EX,
or a general record for other Perf macros.
@retval EFI_SUCCESS - Successfully created performance record.
@retval EFI_OUT_OF_RESOURCES - Ran out of space to store the records.
@retval EFI_INVALID_PARAMETER - Invalid parameter passed to function - NULL
pointer or invalid PerfId.
**/
typedef
EFI_STATUS
(EFIAPI *CREATE_PERFORMANCE_MEASUREMENT)(
IN CONST VOID *CallerIdentifier OPTIONAL,
IN CONST VOID *Guid OPTIONAL,
IN CONST CHAR8 *String OPTIONAL,
IN UINT64 TimeStamp OPTIONAL,
IN UINT64 Address OPTIONAL,
IN UINT32 Identifier,
IN PERF_MEASUREMENT_ATTRIBUTE Attribute
);
struct _EDKII_PERFORMANCE_MEASUREMENT_PROTOCOL {
CREATE_PERFORMANCE_MEASUREMENT CreatePerformanceMeasurement;
};
extern EFI_GUID gEdkiiPerformanceMeasurementProtocolGuid;
extern EFI_GUID gEdkiiSmmPerformanceMeasurementProtocolGuid;
#endif // _PERFORMANCE_MEASUREMENT_H_
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