https://github.com/teresajohnson approved this pull request.
compiler-rt changes lgtm
https://github.com/llvm/llvm-project/pull/91857
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@@ -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
@@ -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
@@ -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:
@@ -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);
+
@@ -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
__
@@ -124,6 +124,13 @@ struct PortableMemInfoBlock {
OS << "" << #Name << ": " << Name << "\n";
#include "llvm/ProfileData/MIBEntryDef.inc"
#undef MIBEntryDef
+if (AccessHistogramSize > 0) {
+ OS << "" << "AccessHistogramValues" << ":";
+ for (uint
@@ -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
@@ -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
__
@@ -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
+//
@@ -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
+//
@@ -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
@@ -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,
-
@@ -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
@@ -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
@@ -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);
+
@@ -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:
https://github.com/teresajohnson approved this pull request.
lgtm
https://github.com/llvm/llvm-project/pull/94264
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https://github.com/teresajohnson edited
https://github.com/llvm/llvm-project/pull/115331
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@@ -0,0 +1,116 @@
+//===- Caching.cpp
===//
teresajohnson wrote:
Can you test the error when there is no commit?
https://github.com/llvm/llvm-project/pull/115331
___
@@ -0,0 +1,116 @@
+//===- Caching.cpp
===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Ap
@@ -30,6 +30,7 @@ class CachedFileStream {
CachedFileStream(std::unique_ptr OS,
std::string OSPath = "")
: OS(std::move(OS)), ObjectPathName(OSPath) {}
+ virtual Error commit() { return Error::success(); }
teresajohnson wrote:
If th
https://github.com/teresajohnson commented:
I'm a little concerned about the added complexity of the cache interfaces. At
the very least, the required usage of the commit() function should be clearly
documented probably in the main Caching.h header, however, it is a bit
confusing right now bec
teresajohnson wrote:
@anjenner are you looking at the remaining reported buildbot failures? E.g. the
unit testing failure below. Please fix or revert this change.
> LLVM Buildbot has detected a new failure on builder
> `llvm-nvptx-nvidia-ubuntu` running on `as-builder-7` while building
> `lld
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