[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

https://github.com/teresajohnson approved this pull request. lgtm https://github.com/llvm/llvm-project/pull/94264 ___ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -20,25 +20,25 @@ CHECK-NEXT: - CHECK: Records: CHECK-NEXT: - -CHECK-NEXT:FunctionGUID: 15505678318020221912 +CHECK-NEXT:FunctionGUID: 3873612792189045660 CHECK-NEXT:AllocSites: CHECK-NEXT:- CHECK-NEXT: Callstack: CHECK-NEXT: - -CHECK-NEXT:

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -96,19 +102,63 @@ llvm::SmallVector readSegmentEntries(const char *Ptr) { } llvm::SmallVector> -readMemInfoBlocks(const char *Ptr) { +readMemInfoBlocksV3(const char *Ptr) { using namespace support; const uint64_t NumItemsToRead = - endian::readNext(Ptr); +

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -216,6 +228,35 @@ u64 GetShadowCount(uptr p, u32 size) { return count; } +// Accumulates the access count from the shadow for the given pointer and size. +// See memprof_mapping.h for an overview on histogram counters. +u64 GetShadowCountHistogram(uptr p, u32 size) { + u

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -0,0 +1,101 @@ +REQUIRES: x86_64-linux + +This is a copy of memprof-basict.test with slight changes to check that we can still read v3 of memprofraw. + +To update the inputs used below run Inputs/update_memprof_inputs.sh /path/to/updated/clang teresajohnson w

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -38,4 +38,5 @@ MEMPROF_FLAG(bool, allocator_frees_and_returns_null_on_realloc_zero, true, MEMPROF_FLAG(bool, print_text, false, "If set, prints the heap profile in text format. Else use the raw binary serialization format.") MEMPROF_FLAG(bool, print_terse, false, -

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -205,8 +205,14 @@ class RawMemProfReader final : public MemProfReader { object::SectionedAddress getModuleOffset(uint64_t VirtualAddress); + llvm::SmallVector> + readMemInfoBlocks(const char *Ptr); + // The profiled binary. object::OwningBinary Binary; + // Vers

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -610,13 +670,33 @@ RawMemProfReader::peekBuildIds(MemoryBuffer *DataBuffer) { return BuildIds.takeVector(); } +// FIXME: Add a schema for serializing similiar to IndexedMemprofReader. This +// will help being able to deserialize different versions raw memprof versions +//

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -610,13 +670,33 @@ RawMemProfReader::peekBuildIds(MemoryBuffer *DataBuffer) { return BuildIds.takeVector(); } +// FIXME: Add a schema for serializing similiar to IndexedMemprofReader. This +// will help being able to deserialize different versions raw memprof versions +//

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -0,0 +1,101 @@ +REQUIRES: x86_64-linux + +This is a copy of memprof-basict.test with slight changes to check that we can still read v3 of memprofraw. teresajohnson wrote: typo: basict https://github.com/llvm/llvm-project/pull/94264 __

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -216,6 +228,35 @@ u64 GetShadowCount(uptr p, u32 size) { return count; } +// Accumulates the access count from the shadow for the given pointer and size. +// See memprof_mapping.h for an overview on histogram counters. +u64 GetShadowCountHistogram(uptr p, u32 size) { + u

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -124,6 +124,13 @@ struct PortableMemInfoBlock { OS << "" << #Name << ": " << Name << "\n"; #include "llvm/ProfileData/MIBEntryDef.inc" #undef MIBEntryDef +if (AccessHistogramSize > 0) { + OS << "" << "AccessHistogramValues" << ":"; + for (uint

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -508,7 +519,26 @@ void createProfileFileNameVar(Module &M) { } } +// Set MemprofHistogramFlag as a Global veriable in IR. This makes it accessible +// to teresajohnson wrote: nit: fix line wrapping https://github.com/llvm/llvm-project/pull/94264 __

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -96,19 +102,63 @@ llvm::SmallVector readSegmentEntries(const char *Ptr) { } llvm::SmallVector> -readMemInfoBlocks(const char *Ptr) { +readMemInfoBlocksV3(const char *Ptr) { using namespace support; const uint64_t NumItemsToRead = - endian::readNext(Ptr); +

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -20,25 +20,25 @@ CHECK-NEXT: - CHECK: Records: CHECK-NEXT: - -CHECK-NEXT:FunctionGUID: 15505678318020221912 +CHECK-NEXT:FunctionGUID: 3873612792189045660 CHECK-NEXT:AllocSites: CHECK-NEXT:- CHECK-NEXT: Callstack: CHECK-NEXT: - -CHECK-NEXT:

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -508,7 +519,26 @@ void createProfileFileNameVar(Module &M) { } } +// Set MemprofHistogramFlag as a Global veriable in IR. This makes it accessible +// to +// the runtime, changing shadow count behavior. +void createMemprofHistogramFlagVar(Module &M) { + const StringRef

[Lldb-commits] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [Memprof] Adds the option to collect AccessCountHistograms for memprof. (PR #94264)

@@ -216,6 +228,35 @@ u64 GetShadowCount(uptr p, u32 size) { return count; } +// Accumulates the access count from the shadow for the given pointer and size. +// See memprof_mapping.h for an overview on histogram counters. +u64 GetShadowCountHistogram(uptr p, u32 size) { + u

[Lldb-commits] [clang] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [mlir] [openmp] [polly] fix(python): fix comparison to None (PR #91857)

https://github.com/teresajohnson approved this pull request. compiler-rt changes lgtm https://github.com/llvm/llvm-project/pull/91857 ___ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits