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change
Current implementation assumes the performance entry count has no change from
multiple GetPerformanceMeasurement() while loops, it may cause the allocated buffer
for PerfEntriesAsDxeHandle at the first loop to be overflowed if the following loop has
the count changed.
This patch is also to sync the change at
commit R18417 "MdeModulePkg: Fix a performance data buffer overrun issue".
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18562 6f19259b-4bc3-4df7-8a09-765794883524
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Match the size of array GaugeString defined in function
WriteBootToOsPerformanceData() with the size of field 'Token' defined in
struct PERF_DATA in MdeModulePkg\Include\Guid\Performance.h.
Doing so will ensure the size consistency when doing StrCpyS() between
PERF_DATA.Token and GaugeString (like here in Performance.c).
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17851 6f19259b-4bc3-4df7-8a09-765794883524
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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17733 6f19259b-4bc3-4df7-8a09-765794883524
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protocol to lock the L”PerfDataMemAddr” variable and prevent malware to update it.
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14386 6f19259b-4bc3-4df7-8a09-765794883524
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Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13461 6f19259b-4bc3-4df7-8a09-765794883524
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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10414 6f19259b-4bc3-4df7-8a09-765794883524
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This is part of the fix of #202075 to make sure the usage model below doesn’t break:
PERF_START (0, “Token1”, “Module1”, 1);
PERF_END (0, “Token1”, Module1”, 0);
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9943 6f19259b-4bc3-4df7-8a09-765794883524
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don’t contain DXE handles.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9928 6f19259b-4bc3-4df7-8a09-765794883524
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2. Reuse the allocated data region if it's already allocated
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9072 6f19259b-4bc3-4df7-8a09-765794883524
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might reuse that memory. Maybe EfiReservedMemoryType is the best solution for that usage model.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9053 6f19259b-4bc3-4df7-8a09-765794883524
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1. Use raw string for performance tokens
2. Reuse gPerformanceProtocolGuid as performance variable paring GUID
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7576 6f19259b-4bc3-4df7-8a09-765794883524
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dependent on gEfiLegacyBiosProtocol to provide legacy boot support. But legacy boot is not described by PI/UEFI specification.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7354 6f19259b-4bc3-4df7-8a09-765794883524
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