a87f5fdb3d
When a platform has lots of CPU cores/threads, perf-logging on every AP produces lots of records. When this multiplies with number of SMIs during post, the records are even more. So, this patch adds a new PCD PcdSmmApPerfLogEnable (default TRUE) to allow platform to turn off perf-logging on APs. Signed-off-by: Ray Ni <ray.ni@intel.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/** @file
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SMM MP perf-logging implementation
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Copyright (c) 2023, 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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#ifndef MP_PERF_H_
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#define MP_PERF_H_
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//
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// The list of all MP procedures that need to be perf-logged.
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//
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#define SMM_MP_PERF_PROCEDURE_LIST(_) \
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_(SmmInitHandler), \
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_(SmmRendezvousEntry), \
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_(PlatformValidSmi), \
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_(SmmRendezvousExit), \
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_(SmmMpProcedureMax) // Add new entries above this line
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//
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// To perf-log MP procedures, call MpPerfBegin()/MpPerfEnd() with CpuIndex
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// and SMM_MP_PERF_PROCEDURE_ID with entry name defined in the SMM_MP_PERF_PROCEDURE_LIST.
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//
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#define SMM_MP_PERF_PROCEDURE_ID(procedure) SmmMpProcedureId ## procedure
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enum {
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SMM_MP_PERF_PROCEDURE_LIST (SMM_MP_PERF_PROCEDURE_ID)
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};
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typedef struct {
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UINT64 Begin[SMM_MP_PERF_PROCEDURE_ID (SmmMpProcedureMax)];
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UINT64 End[SMM_MP_PERF_PROCEDURE_ID (SmmMpProcedureMax)];
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} SMM_PERF_AP_PROCEDURE_PERFORMANCE;
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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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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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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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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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#endif
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