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cd29383f77
Rename the file PiSmmCpuDxeSmm.h to PiSmmCpuCommon.h to facilitate common usage in both SMM and MM. The renamed file PiSmmCpuCommon.h will be utilized for both modes in subsequent patches. No function impact. Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Dun Tan <dun.tan@intel.com> Cc: Hongbin1 Zhang <hongbin1.zhang@intel.com> Cc: Wei6 Xu <wei6.xu@intel.com> Cc: Yuanhao Xie <yuanhao.xie@intel.com>
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/** @file
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SMM MP perf-logging implementation
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Copyright (c) 2023 - 2024, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "PiSmmCpuCommon.h"
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#define SMM_MP_PERF_PROCEDURE_NAME(procedure) # procedure
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GLOBAL_REMOVE_IF_UNREFERENCED
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CHAR8 *gSmmMpPerfProcedureName[] = {
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SMM_MP_PERF_PROCEDURE_LIST (SMM_MP_PERF_PROCEDURE_NAME)
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};
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//
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// Each element holds the performance data for one processor.
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//
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GLOBAL_REMOVE_IF_UNREFERENCED
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SMM_PERF_AP_PROCEDURE_PERFORMANCE *mSmmMpProcedurePerformance = NULL;
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/**
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Initialize the perf-logging feature for APs.
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@param NumberofCpus Number of processors in the platform.
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**/
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VOID
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InitializeMpPerf (
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UINTN NumberofCpus
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)
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{
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mSmmMpProcedurePerformance = AllocateZeroPool (NumberofCpus * sizeof (*mSmmMpProcedurePerformance));
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ASSERT (mSmmMpProcedurePerformance != NULL);
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}
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/**
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Migrate MP performance data to standardized performance database.
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@param NumberofCpus Number of processors in the platform.
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@param BspIndex The index of the BSP.
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**/
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VOID
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MigrateMpPerf (
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UINTN NumberofCpus,
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UINTN BspIndex
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)
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{
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UINTN CpuIndex;
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UINTN MpProcecureId;
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for (CpuIndex = 0; CpuIndex < NumberofCpus; CpuIndex++) {
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if ((CpuIndex != BspIndex) && !FeaturePcdGet (PcdSmmApPerfLogEnable)) {
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//
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// Skip migrating AP performance data if AP perf-logging is disabled.
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//
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continue;
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}
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for (MpProcecureId = 0; MpProcecureId < SMM_MP_PERF_PROCEDURE_ID (SmmMpProcedureMax); MpProcecureId++) {
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if (mSmmMpProcedurePerformance[CpuIndex].Begin[MpProcecureId] != 0) {
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PERF_START (NULL, gSmmMpPerfProcedureName[MpProcecureId], NULL, mSmmMpProcedurePerformance[CpuIndex].Begin[MpProcecureId]);
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PERF_END (NULL, gSmmMpPerfProcedureName[MpProcecureId], NULL, mSmmMpProcedurePerformance[CpuIndex].End[MpProcecureId]);
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}
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}
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}
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ZeroMem (mSmmMpProcedurePerformance, NumberofCpus * sizeof (*mSmmMpProcedurePerformance));
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}
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/**
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Save the performance counter value before running the MP procedure.
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@param CpuIndex The index of the CPU.
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@param MpProcedureId The ID of the MP procedure.
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**/
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VOID
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MpPerfBegin (
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IN UINTN CpuIndex,
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IN UINTN MpProcedureId
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)
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{
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mSmmMpProcedurePerformance[CpuIndex].Begin[MpProcedureId] = GetPerformanceCounter ();
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}
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/**
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Save the performance counter value after running the MP procedure.
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@param CpuIndex The index of the CPU.
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@param MpProcedureId The ID of the MP procedure.
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**/
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VOID
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MpPerfEnd (
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IN UINTN CpuIndex,
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IN UINTN MpProcedureId
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)
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{
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mSmmMpProcedurePerformance[CpuIndex].End[MpProcedureId] = GetPerformanceCounter ();
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}
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