--- /dev/null
+/** @file
+ This file include the file which can help to get the system
+ performance, all the function will only include if the performance
+ switch is set.
+
+Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "InternalBm.h"
+
+PERF_HEADER mBmPerfHeader;
+PERF_DATA mBmPerfData;
+EFI_PHYSICAL_ADDRESS mBmAcpiLowMemoryBase = 0x0FFFFFFFFULL;
+
+/**
+ Get the short verion of PDB file name to be
+ used in performance data logging.
+
+ @param PdbFileName The long PDB file name.
+ @param GaugeString The output string to be logged by performance logger.
+
+**/
+VOID
+BmGetShortPdbFileName (
+ IN CONST CHAR8 *PdbFileName,
+ OUT CHAR8 *GaugeString
+ )
+{
+ UINTN Index;
+ UINTN Index1;
+ UINTN StartIndex;
+ UINTN EndIndex;
+
+ if (PdbFileName == NULL) {
+ AsciiStrCpy (GaugeString, " ");
+ } else {
+ StartIndex = 0;
+ for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
+ ;
+
+ for (Index = 0; PdbFileName[Index] != 0; Index++) {
+ if (PdbFileName[Index] == '\\') {
+ StartIndex = Index + 1;
+ }
+
+ if (PdbFileName[Index] == '.') {
+ EndIndex = Index;
+ }
+ }
+
+ Index1 = 0;
+ for (Index = StartIndex; Index < EndIndex; Index++) {
+ GaugeString[Index1] = PdbFileName[Index];
+ Index1++;
+ if (Index1 == PERF_TOKEN_LENGTH - 1) {
+ break;
+ }
+ }
+
+ GaugeString[Index1] = 0;
+ }
+
+ return ;
+}
+
+/**
+ Get the name from the Driver handle, which can be a handle with
+ EFI_LOADED_IMAGE_PROTOCOL or EFI_DRIVER_BINDING_PROTOCOL installed.
+ This name can be used in performance data logging.
+
+ @param Handle Driver handle.
+ @param GaugeString The output string to be logged by performance logger.
+
+**/
+VOID
+BmGetNameFromHandle (
+ IN EFI_HANDLE Handle,
+ OUT CHAR8 *GaugeString
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *Image;
+ CHAR8 *PdbFileName;
+ EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
+
+ AsciiStrCpy (GaugeString, " ");
+
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+
+ if (EFI_ERROR (Status)) {
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiDriverBindingProtocolGuid,
+ (VOID **) &DriverBinding,
+ NULL,
+ NULL,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+ //
+ // Get handle name from image protocol
+ //
+ Status = gBS->HandleProtocol (
+ DriverBinding->ImageHandle,
+ &gEfiLoadedImageProtocolGuid,
+ (VOID **) &Image
+ );
+ }
+
+ PdbFileName = PeCoffLoaderGetPdbPointer (Image->ImageBase);
+
+ if (PdbFileName != NULL) {
+ BmGetShortPdbFileName (PdbFileName, GaugeString);
+ }
+
+ return ;
+}
+
+/**
+
+ Writes performance data of booting into the allocated memory.
+ OS can process these records.
+
+ @param Event The triggered event.
+ @param Context Context for this event.
+
+**/
+VOID
+EFIAPI
+BmWriteBootToOsPerformanceData (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ UINT32 LimitCount;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ CHAR8 GaugeString[PERF_TOKEN_LENGTH];
+ UINT8 *Ptr;
+ UINT32 Index;
+ UINT64 Ticker;
+ UINT64 Freq;
+ UINT32 Duration;
+ UINTN LogEntryKey;
+ CONST VOID *Handle;
+ CONST CHAR8 *Token;
+ CONST CHAR8 *Module;
+ UINT64 StartTicker;
+ UINT64 EndTicker;
+ UINT64 StartValue;
+ UINT64 EndValue;
+ BOOLEAN CountUp;
+ UINTN EntryIndex;
+ UINTN NumPerfEntries;
+ //
+ // List of flags indicating PerfEntry contains DXE handle
+ //
+ BOOLEAN *PerfEntriesAsDxeHandle;
+ UINTN VarSize;
+
+ //
+ // Record the performance data for End of BDS
+ //
+ PERF_END(NULL, "BDS", NULL, 0);
+
+ //
+ // Retrieve time stamp count as early as possible
+ //
+ Ticker = GetPerformanceCounter ();
+
+ Freq = GetPerformanceCounterProperties (&StartValue, &EndValue);
+
+ Freq = DivU64x32 (Freq, 1000);
+
+ mBmPerfHeader.CpuFreq = Freq;
+
+ //
+ // Record BDS raw performance data
+ //
+ if (EndValue >= StartValue) {
+ mBmPerfHeader.BDSRaw = Ticker - StartValue;
+ CountUp = TRUE;
+ } else {
+ mBmPerfHeader.BDSRaw = StartValue - Ticker;
+ CountUp = FALSE;
+ }
+
+ if (mBmAcpiLowMemoryBase == 0x0FFFFFFFF) {
+ VarSize = sizeof (EFI_PHYSICAL_ADDRESS);
+ Status = gRT->GetVariable (
+ L"PerfDataMemAddr",
+ &gPerformanceProtocolGuid,
+ NULL,
+ &VarSize,
+ &mBmAcpiLowMemoryBase
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Fail to get the variable, return.
+ //
+ return;
+ }
+ }
+
+ //
+ // Put Detailed performance data into memory
+ //
+ Handles = NULL;
+ Status = gBS->LocateHandleBuffer (
+ AllHandles,
+ NULL,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ Ptr = (UINT8 *) ((UINT32) mBmAcpiLowMemoryBase + sizeof (PERF_HEADER));
+ LimitCount = (UINT32) (PERF_DATA_MAX_LENGTH - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
+
+ NumPerfEntries = 0;
+ LogEntryKey = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ NumPerfEntries++;
+ }
+ PerfEntriesAsDxeHandle = AllocateZeroPool (NumPerfEntries * sizeof (BOOLEAN));
+ ASSERT (PerfEntriesAsDxeHandle != NULL);
+
+ //
+ // Get DXE drivers performance
+ //
+ for (Index = 0; Index < NoHandles; Index++) {
+ Ticker = 0;
+ LogEntryKey = 0;
+ EntryIndex = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if (Handle == Handles[Index] && !PerfEntriesAsDxeHandle[EntryIndex]) {
+ PerfEntriesAsDxeHandle[EntryIndex] = TRUE;
+ }
+ EntryIndex++;
+ if ((Handle == Handles[Index]) && (EndTicker != 0)) {
+ if (StartTicker == 1) {
+ StartTicker = StartValue;
+ }
+ if (EndTicker == 1) {
+ EndTicker = StartValue;
+ }
+ Ticker += CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+ }
+ }
+
+ Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ if (Duration > 0) {
+
+ BmGetNameFromHandle (Handles[Index], GaugeString);
+
+ AsciiStrCpy (mBmPerfData.Token, GaugeString);
+ mBmPerfData.Duration = Duration;
+
+ CopyMem (Ptr, &mBmPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mBmPerfHeader.Count++;
+ if (mBmPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ }
+
+ //
+ // Get inserted performance data
+ //
+ LogEntryKey = 0;
+ EntryIndex = 0;
+ while ((LogEntryKey = GetPerformanceMeasurement (
+ LogEntryKey,
+ &Handle,
+ &Token,
+ &Module,
+ &StartTicker,
+ &EndTicker)) != 0) {
+ if (!PerfEntriesAsDxeHandle[EntryIndex] && EndTicker != 0) {
+
+ ZeroMem (&mBmPerfData, sizeof (PERF_DATA));
+
+ AsciiStrnCpy (mBmPerfData.Token, Token, PERF_TOKEN_LENGTH);
+ if (StartTicker == 1) {
+ StartTicker = StartValue;
+ }
+ if (EndTicker == 1) {
+ EndTicker = StartValue;
+ }
+ Ticker = CountUp ? (EndTicker - StartTicker) : (StartTicker - EndTicker);
+
+ mBmPerfData.Duration = (UINT32) DivU64x32 (Ticker, (UINT32) Freq);
+
+ CopyMem (Ptr, &mBmPerfData, sizeof (PERF_DATA));
+ Ptr += sizeof (PERF_DATA);
+
+ mBmPerfHeader.Count++;
+ if (mBmPerfHeader.Count == LimitCount) {
+ goto Done;
+ }
+ }
+ EntryIndex++;
+ }
+
+Done:
+
+ FreePool (Handles);
+ FreePool (PerfEntriesAsDxeHandle);
+
+ mBmPerfHeader.Signiture = PERFORMANCE_SIGNATURE;
+
+ //
+ // Put performance data to Reserved memory
+ //
+ CopyMem (
+ (UINTN *) (UINTN) mBmAcpiLowMemoryBase,
+ &mBmPerfHeader,
+ sizeof (PERF_HEADER)
+ );
+
+ return ;
+}
projects / mirror_edk2.git / blobdiff