diff options
| author | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-21 17:48:09 +0000 |
|---|---|---|
| committer | andrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-04-21 17:48:09 +0000 |
| commit | d02b28d736c19b9a59690008e56c63e839fcf28f (patch) | |
| tree | c5273f3419800c9df517ec3138db42e0f63b92fc /BeagleBoardPkg/Library | |
| parent | 2ed3c9ccf8c056aa4df35fcd29f670ee1238fbd0 (diff) | |
| download | edk2-platforms-d02b28d736c19b9a59690008e56c63e839fcf28f.tar.xz | |
Change to a NEON compatible CPU Arch (ARMv7 is NEON optional) and add performance lib stuff to measure boot time. Also add an example performace lib dumper as an example EBL command.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10387 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'BeagleBoardPkg/Library')
| -rw-r--r-- | BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c | 104 | ||||
| -rw-r--r-- | BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf | 4 |
2 files changed, 107 insertions, 1 deletions
diff --git a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c index 2141c159b5..413bb47fc2 100644 --- a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c +++ b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.c @@ -27,8 +27,11 @@ #include <Library/EfiFileLib.h>
#include <Library/ArmDisassemblerLib.h>
#include <Library/PeCoffGetEntryPointLib.h>
+#include <Library/PerformanceLib.h>
+#include <Library/TimerLib.h>
#include <Guid/DebugImageInfoTable.h>
+
#include <Protocol/DebugSupport.h>
#include <Protocol/LoadedImage.h>
@@ -146,6 +149,101 @@ EblDisassembler ( }
+CHAR8 *
+ImageHandleToPdbFileName (
+ IN EFI_HANDLE Handle
+ )
+{
+ EFI_STATUS Status;
+ EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
+
+ Status = gBS->HandleProtocol (Handle, &gEfiLoadedImageProtocolGuid, (VOID **)&LoadedImage);
+ if (EFI_ERROR (Status)) {
+ return "";
+ }
+
+ return PeCoffLoaderGetPdbPointer (LoadedImage->ImageBase);
+}
+
+CHAR8 *mTokenList[] = {
+ "SEC",
+ "PEI",
+ "DXE",
+ "BDS",
+ NULL
+};
+
+/**
+ Simple arm disassembler via a library
+
+ Argv[0] - disasm
+ Argv[1] - Address to start disassembling from
+ ARgv[2] - Number of instructions to disassembly (optional)
+
+ @param Argc Number of command arguments in Argv
+ @param Argv Array of strings that represent the parsed command line.
+ Argv[0] is the comamnd name
+
+ @return EFI_SUCCESS
+
+**/
+EFI_STATUS
+EblPerformance (
+ IN UINTN Argc,
+ IN CHAR8 **Argv
+ )
+{
+ UINTN Key;
+ CONST VOID *Handle;
+ CONST CHAR8 *Token, *Module;
+ UINT64 Start, Stop, TimeStamp;
+ UINT64 Delta, TicksPerSecond, Milliseconds, Microseconds;
+ UINTN Index;
+
+ TicksPerSecond = GetPerformanceCounterProperties (NULL, NULL);
+
+ Key = 0;
+ do {
+ Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);
+ if (Key != 0) {
+ if (AsciiStriCmp ("StartImage:", Token) == 0) {
+ if (Stop == 0) {
+ // The entry for EBL is still running so the stop time will be zero. Skip it
+ AsciiPrint (" running %a\n", ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
+ } else {
+ Delta = Stop - Start;
+ Microseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000000), TicksPerSecond, NULL);
+ AsciiPrint ("%10ld us %a\n", Microseconds, ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
+ }
+ }
+ }
+ } while (Key != 0);
+
+ AsciiPrint ("\n");
+
+ TimeStamp = 0;
+ Key = 0;
+ do {
+ Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);
+ if (Key != 0) {
+ for (Index = 0; mTokenList[Index] != NULL; Index++) {
+ if (AsciiStriCmp (mTokenList[Index], Token) == 0) {
+ Delta = Stop - Start;
+ TimeStamp += Delta;
+ Milliseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000), TicksPerSecond, NULL);
+ AsciiPrint ("%6a %6ld ms\n", Token, Milliseconds);
+ break;
+ }
+ }
+ }
+ } while (Key != 0);
+
+ AsciiPrint ("Total Time = %ld ms\n\n", DivU64x64Remainder (MultU64x32 (TimeStamp, 1000), TicksPerSecond, NULL));
+
+ return EFI_SUCCESS;
+}
+
+
GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] =
{
{
@@ -155,6 +253,12 @@ GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] = EblDisassembler
},
{
+ "performance",
+ " Display boot performance info",
+ NULL,
+ EblPerformance
+ },
+ {
"symboltable [\"format string\"] [PECOFF]",
" show symbol table commands for debugger",
NULL,
diff --git a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf index 9273aa92e4..8fa7805fb0 100644 --- a/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf +++ b/BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf @@ -34,6 +34,7 @@ [Packages]
MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
EmbeddedPkg/EmbeddedPkg.dec
ArmPkg/ArmPkg.dec
@@ -41,6 +42,8 @@ BaseLib
DebugLib
ArmDisassemblerLib
+ PerformanceLib
+ TimerLib
[Protocols]
gEfiDebugSupportProtocolGuid
@@ -48,4 +51,3 @@ [Guids]
gEfiDebugImageInfoTableGuid
-
|