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import bpftrace-0.13.1-1.el9

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CentOS Sources 2022-11-15 01:38:21 -05:00 committed by Stepan Oksanichenko
parent 6c3740c250
commit dabd328a75
14 changed files with 1361 additions and 130 deletions
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2
.bpftrace.metadata
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@ -1 +1 @@
9cc3a1b5d4efd1649753cdb374102440c6625b57 SOURCES/bpftrace-0.12.1.tar.gz ddc4abda22761b58fc7fc49623e60ca7e3ae26ff SOURCES/bpftrace-0.13.1.tar.gz

2
.gitignore vendored
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@ -1 +1 @@
SOURCES/bpftrace-0.12.1.tar.gz SOURCES/bpftrace-0.13.1.tar.gz

72
SOURCES/bpftrace-0.12.1-Fix-single-arg-wildcard-listings.patch
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@ -1,72 +0,0 @@
From b7fd0900b18c4b640926e0bb830464565a527ca1 Mon Sep 17 00:00:00 2001
From: Daniel Xu <dxu@dxuuu.xyz>
Date: Mon, 5 Apr 2021 14:35:08 -0700
Subject: [PATCH] Fix single arg wildcard listings
The docs say we can do stuff like
# bpftrace -l "*sleep*"
so we should probably implement it. We probably regressed on this during
the probe matching refactoring.
---
src/ast/attachpoint_parser.cpp | 10 +++++++---
tests/runtime/regression | 6 ++++++
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/src/ast/attachpoint_parser.cpp b/src/ast/attachpoint_parser.cpp
index cfac09bc..b62549d7 100644
--- a/src/ast/attachpoint_parser.cpp
+++ b/src/ast/attachpoint_parser.cpp
@@ -77,6 +77,9 @@ AttachPointParser::State AttachPointParser::parse_attachpoint(AttachPoint &ap)
std::set<std::string> probe_types;
if (has_wildcard(parts_.front()))
{
+ // Single argument listing looks at all relevant probe types
+ std::string probetype_query = (parts_.size() == 1) ? "*" : parts_.front();
+
// Probe type expansion
// If PID is specified or the second part of the attach point is a path
// (contains '/'), use userspace probe types.
@@ -85,12 +88,12 @@ AttachPointParser::State AttachPointParser::parse_attachpoint(AttachPoint &ap)
(parts_.size() >= 2 && parts_[1].find('/') != std::string::npos))
{
probe_types = bpftrace_.probe_matcher_->expand_probetype_userspace(
- parts_.front());
+ probetype_query);
}
else
{
probe_types = bpftrace_.probe_matcher_->expand_probetype_kernel(
- parts_.front());
+ probetype_query);
}
}
else
@@ -111,7 +114,8 @@ AttachPointParser::State AttachPointParser::parse_attachpoint(AttachPoint &ap)
for (const auto &probe_type : probe_types)
{
std::string raw_input = ap.raw_input;
- erase_prefix(raw_input);
+ if (parts_.size() > 1)
+ erase_prefix(raw_input);
raw_input = probe_type + ":" + raw_input;
// New attach points have ignore_invalid set to true - probe types for
// which raw_input has invalid number of parts will be ignored (instead
diff --git a/tests/runtime/regression b/tests/runtime/regression
index 7f40ffdb..b7fa4653 100644
--- a/tests/runtime/regression
+++ b/tests/runtime/regression
@@ -33,3 +33,9 @@ NAME c_array_indexing
RUN bpftrace -v -e 'struct Foo { int a; uint8_t b[10]; } uprobe:testprogs/uprobe_test:function2 { $foo = (struct Foo *)arg0; printf("%c %c %c %c %c\n", $foo->b[0], $foo->b[1], $foo->b[2], $foo->b[3], $foo->b[4]) }' -c ./testprogs/uprobe_test
EXPECT h e l l o
TIMEOUT 5
+
+# https://github.com/iovisor/bpftrace/issues/1773
+NAME single_arg_wildcard_listing
+RUN bpftrace -l "*do_nanosleep*"
+EXPECT kprobe:do_nanosleep
+TIMEOUT 1
--
2.34.1

834
SOURCES/bpftrace-0.13.1-Fix-LLVM-13-warnings.patch Normal file
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@ -0,0 +1,834 @@
From 291cb44a513049e94b8de80f58fa7f08d3491aea Mon Sep 17 00:00:00 2001
From: Viktor Malik <viktor.malik@gmail.com>
Date: Mon, 10 Jan 2022 16:41:05 +0100
Subject: [PATCH 8/8] Fix LLVM 13 warnings
Since LLVM 13, CreateGEP and CreateLoad require explicit types.
---
src/ast/codegen_llvm.cpp | 265 ++++++++++++++++++++++++---------------
src/ast/irbuilderbpf.cpp | 56 +++++----
2 files changed, 200 insertions(+), 121 deletions(-)
diff --git a/src/ast/codegen_llvm.cpp b/src/ast/codegen_llvm.cpp
index d30327a2..0bd23276 100644
--- a/src/ast/codegen_llvm.cpp
+++ b/src/ast/codegen_llvm.cpp
@@ -224,9 +224,10 @@ void CodegenLLVM::visit(Builtin &builtin)
// LLVM optimization is possible to transform `(uint64*)ctx` into
// `(uint8*)ctx`, but sometimes this causes invalid context access.
// Mark every context acess to supporess any LLVM optimization.
- expr_ = b_.CreateLoad(b_.getInt64Ty(),
- b_.CreateGEP(ctx, b_.getInt64(offset)),
- builtin.ident);
+ expr_ = b_.CreateLoad(
+ b_.getInt64Ty(),
+ b_.CreateGEP(b_.getInt64Ty(), ctx, b_.getInt64(offset)),
+ builtin.ident);
// LLVM 7.0 <= does not have CreateLoad(*Ty, *Ptr, isVolatile, Name),
// so call setVolatile() manually
dyn_cast<LoadInst>(expr_)->setVolatile(true);
@@ -249,16 +250,17 @@ void CodegenLLVM::visit(Builtin &builtin)
int arg_num = atoi(builtin.ident.substr(4).c_str());
Value *ctx = b_.CreatePointerCast(ctx_, b_.getInt64Ty()->getPointerTo());
- Value *sp = b_.CreateLoad(b_.getInt64Ty(),
- b_.CreateGEP(ctx, b_.getInt64(sp_offset)),
- "reg_sp");
+ Value *sp = b_.CreateLoad(
+ b_.getInt64Ty(),
+ b_.CreateGEP(b_.getInt64Ty(), ctx, b_.getInt64(sp_offset)),
+ "reg_sp");
dyn_cast<LoadInst>(sp)->setVolatile(true);
AllocaInst *dst = b_.CreateAllocaBPF(builtin.type, builtin.ident);
Value *src = b_.CreateAdd(sp,
b_.getInt64((arg_num + arch::arg_stack_offset()) *
sizeof(uintptr_t)));
b_.CreateProbeRead(ctx_, dst, 8, src, builtin.type.GetAS(), builtin.loc);
- expr_ = b_.CreateLoad(dst);
+ expr_ = b_.CreateLoad(b_.GetType(builtin.type), dst);
b_.CreateLifetimeEnd(dst);
}
else if (builtin.ident == "probe")
@@ -526,8 +528,12 @@ void CodegenLLVM::visit(Call &call)
b_.CREATE_MEMSET(buf, b_.getInt8(0), bpftrace_.strlen_, 1);
auto arg0 = call.vargs->front();
auto scoped_del = accept(call.vargs->front());
- b_.CreateProbeReadStr(
- ctx_, buf, b_.CreateLoad(strlen), expr_, arg0->type.GetAS(), call.loc);
+ b_.CreateProbeReadStr(ctx_,
+ buf,
+ b_.CreateLoad(b_.getInt64Ty(), strlen),
+ expr_,
+ arg0->type.GetAS(),
+ call.loc);
b_.CreateLifetimeEnd(strlen);
expr_ = buf;
@@ -569,12 +575,14 @@ void CodegenLLVM::visit(Call &call)
false);
AllocaInst *buf = b_.CreateAllocaBPF(buf_struct, "buffer");
- Value *buf_len_offset = b_.CreateGEP(buf,
+ Value *buf_len_offset = b_.CreateGEP(buf_struct,
+ buf,
{ b_.getInt32(0), b_.getInt32(0) });
length = b_.CreateIntCast(length, buf_struct->getElementType(0), false);
b_.CreateStore(length, buf_len_offset);
- Value *buf_data_offset = b_.CreateGEP(buf,
+ Value *buf_data_offset = b_.CreateGEP(buf_struct,
+ buf,
{ b_.getInt32(0), b_.getInt32(1) });
b_.CREATE_MEMSET(buf_data_offset,
b_.GetIntSameSize(0, elements.at(0)),
@@ -664,14 +672,14 @@ void CodegenLLVM::visit(Call &call)
b_.SetInsertPoint(notzero);
b_.CreateStore(b_.getInt64(asyncactionint(AsyncAction::join)), perfdata);
b_.CreateStore(b_.getInt64(join_id_),
- b_.CreateGEP(perfdata, b_.getInt64(8)));
+ b_.CreateGEP(b_.getInt8Ty(), perfdata, b_.getInt64(8)));
join_id_++;
AllocaInst *arr = b_.CreateAllocaBPF(b_.getInt64Ty(), call.func + "_r0");
b_.CreateProbeRead(ctx_, arr, 8, expr_, addrspace, call.loc);
b_.CreateProbeReadStr(ctx_,
b_.CreateAdd(perfdata, b_.getInt64(8 + 8)),
bpftrace_.join_argsize_,
- b_.CreateLoad(arr),
+ b_.CreateLoad(b_.getInt64Ty(), arr),
addrspace,
call.loc);
@@ -679,14 +687,18 @@ void CodegenLLVM::visit(Call &call)
{
// argi
b_.CreateStore(b_.CreateAdd(expr_, b_.getInt64(8 * i)), first);
- b_.CreateProbeRead(
- ctx_, second, 8, b_.CreateLoad(first), addrspace, call.loc);
+ b_.CreateProbeRead(ctx_,
+ second,
+ 8,
+ b_.CreateLoad(b_.getInt64Ty(), first),
+ addrspace,
+ call.loc);
b_.CreateProbeReadStr(
ctx_,
b_.CreateAdd(perfdata,
b_.getInt64(8 + 8 + i * bpftrace_.join_argsize_)),
bpftrace_.join_argsize_,
- b_.CreateLoad(second),
+ b_.CreateLoad(b_.getInt64Ty(), second),
addrspace,
call.loc);
}
@@ -729,7 +741,9 @@ void CodegenLLVM::visit(Call &call)
AllocaInst *buf = b_.CreateAllocaBPF(inet_struct, "inet");
- Value *af_offset = b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) });
+ Value *af_offset = b_.CreateGEP(inet_struct,
+ buf,
+ { b_.getInt64(0), b_.getInt32(0) });
Value *af_type;
auto inet = call.vargs->at(0);
@@ -752,7 +766,9 @@ void CodegenLLVM::visit(Call &call)
}
b_.CreateStore(af_type, af_offset);
- Value *inet_offset = b_.CreateGEP(buf, {b_.getInt32(0), b_.getInt32(1)});
+ Value *inet_offset = b_.CreateGEP(inet_struct,
+ buf,
+ { b_.getInt32(0), b_.getInt32(1) });
b_.CREATE_MEMSET(inet_offset, b_.getInt8(0), 16, 1);
auto scoped_del = accept(inet);
@@ -785,9 +801,10 @@ void CodegenLLVM::visit(Call &call)
}
Value *ctx = b_.CreatePointerCast(ctx_, b_.getInt64Ty()->getPointerTo());
- expr_ = b_.CreateLoad(b_.getInt64Ty(),
- b_.CreateGEP(ctx, b_.getInt64(offset)),
- call.func + "_" + reg_name);
+ expr_ = b_.CreateLoad(
+ b_.getInt64Ty(),
+ b_.CreateGEP(b_.getInt64Ty(), ctx, b_.getInt64(offset)),
+ call.func + "_" + reg_name);
dyn_cast<LoadInst>(expr_)->setVolatile(true);
}
else if (call.func == "printf")
@@ -812,8 +829,10 @@ void CodegenLLVM::visit(Call &call)
auto scoped_del = accept(&arg);
// and store it to data area
- Value *offset = b_.CreateGEP(
- data, { b_.getInt64(0), b_.getInt64((i - 1) * ptr_size) });
+ Value *offset = b_.CreateGEP(b_.GetType(data_type),
+ data,
+ { b_.getInt64(0),
+ b_.getInt64((i - 1) * ptr_size) });
b_.CreateStore(expr_, offset);
// keep the expression alive, so it's still there
@@ -901,7 +920,9 @@ void CodegenLLVM::visit(Call &call)
AllocaInst *buf = b_.CreateAllocaBPF(event_struct,
call.func + "_" + map.ident);
- auto aa_ptr = b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) });
+ auto aa_ptr = b_.CreateGEP(event_struct,
+ buf,
+ { b_.getInt64(0), b_.getInt32(0) });
if (call.func == "clear")
b_.CreateStore(b_.GetIntSameSize(asyncactionint(AsyncAction::clear),
elements.at(0)),
@@ -912,7 +933,9 @@ void CodegenLLVM::visit(Call &call)
aa_ptr);
auto id = bpftrace_.maps[map.ident].value()->id;
- auto *ident_ptr = b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) });
+ auto *ident_ptr = b_.CreateGEP(event_struct,
+ buf,
+ { b_.getInt64(0), b_.getInt32(1) });
b_.CreateStore(b_.GetIntSameSize(id, elements.at(1)), ident_ptr);
b_.CreatePerfEventOutput(ctx_, buf, getStructSize(event_struct));
@@ -928,12 +951,13 @@ void CodegenLLVM::visit(Call &call)
AllocaInst *buf = b_.CreateAllocaBPF(time_struct, call.func + "_t");
- b_.CreateStore(b_.GetIntSameSize(asyncactionint(AsyncAction::time),
- elements.at(0)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.GetIntSameSize(asyncactionint(AsyncAction::time), elements.at(0)),
+ b_.CreateGEP(time_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
- b_.CreateStore(b_.GetIntSameSize(time_id_, elements.at(1)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) }));
+ b_.CreateStore(
+ b_.GetIntSameSize(time_id_, elements.at(1)),
+ b_.CreateGEP(time_struct, buf, { b_.getInt64(0), b_.getInt32(1) }));
time_id_++;
b_.CreatePerfEventOutput(ctx_, buf, getStructSize(time_struct));
@@ -948,13 +972,15 @@ void CodegenLLVM::visit(Call &call)
true);
AllocaInst *buf = b_.CreateAllocaBPF(strftime_struct, call.func + "_args");
- b_.CreateStore(b_.GetIntSameSize(strftime_id_, elements.at(0)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.GetIntSameSize(strftime_id_, elements.at(0)),
+ b_.CreateGEP(strftime_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
strftime_id_++;
Expression *arg = call.vargs->at(1);
auto scoped_del = accept(arg);
- b_.CreateStore(expr_,
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) }));
+ b_.CreateStore(
+ expr_,
+ b_.CreateGEP(strftime_struct, buf, { b_.getInt64(0), b_.getInt32(1) }));
expr_ = buf;
}
else if (call.func == "kstack" || call.func == "ustack")
@@ -1068,11 +1094,12 @@ void CodegenLLVM::visit(Call &call)
AllocaInst *buf = b_.CreateAllocaBPF(unwatch_struct, "unwatch");
size_t struct_size = datalayout().getTypeAllocSize(unwatch_struct);
- b_.CreateStore(b_.getInt64(asyncactionint(AsyncAction::watchpoint_detach)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.getInt64(asyncactionint(AsyncAction::watchpoint_detach)),
+ b_.CreateGEP(unwatch_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
b_.CreateStore(
b_.CreateIntCast(expr_, b_.getInt64Ty(), false /* unsigned */),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) }));
+ b_.CreateGEP(unwatch_struct, buf, { b_.getInt64(0), b_.getInt32(1) }));
b_.CreatePerfEventOutput(ctx_, buf, struct_size);
b_.CreateLifetimeEnd(buf);
expr_ = nullptr;
@@ -1102,7 +1129,8 @@ void CodegenLLVM::visit(Variable &var)
}
else
{
- expr_ = b_.CreateLoad(variables_[var.ident]);
+ auto *var_alloca = variables_[var.ident];
+ expr_ = b_.CreateLoad(var_alloca->getType()->getElementType(), var_alloca);
}
}
@@ -1379,13 +1407,15 @@ void CodegenLLVM::visit(Unop &unop)
if (unop.is_post_op)
expr_ = oldval;
else
- expr_ = b_.CreateLoad(newval);
+ expr_ = b_.CreateLoad(b_.GetType(map.type), newval);
b_.CreateLifetimeEnd(newval);
}
else if (unop.expr->is_variable)
{
Variable &var = static_cast<Variable&>(*unop.expr);
- Value *oldval = b_.CreateLoad(variables_[var.ident]);
+ Value *oldval = b_.CreateLoad(
+ variables_[var.ident]->getType()->getElementType(),
+ variables_[var.ident]);
Value *newval;
if (is_increment)
newval = b_.CreateAdd(oldval, b_.getInt64(1));
@@ -1411,9 +1441,10 @@ void CodegenLLVM::visit(Unop &unop)
: type.GetSize();
auto as = type.GetAS();
- AllocaInst *dst = b_.CreateAllocaBPF(SizedType(type.type, size), "deref");
+ auto dst_type = SizedType(type.type, size);
+ AllocaInst *dst = b_.CreateAllocaBPF(dst_type, "deref");
b_.CreateProbeRead(ctx_, dst, size, expr_, as, unop.loc);
- expr_ = b_.CreateIntCast(b_.CreateLoad(dst),
+ expr_ = b_.CreateIntCast(b_.CreateLoad(b_.GetType(dst_type), dst),
b_.getInt64Ty(),
type.IsSigned());
b_.CreateLifetimeEnd(dst);
@@ -1434,7 +1465,7 @@ void CodegenLLVM::visit(Unop &unop)
int size = unop.type.IsIntegerTy() ? et->GetIntBitWidth() / 8 : 8;
AllocaInst *dst = b_.CreateAllocaBPF(*et, "deref");
b_.CreateProbeRead(ctx_, dst, size, expr_, type.GetAS(), unop.loc);
- expr_ = b_.CreateIntCast(b_.CreateLoad(dst),
+ expr_ = b_.CreateIntCast(b_.CreateLoad(b_.GetType(*et), dst),
b_.getInt64Ty(),
unop.type.IsSigned());
b_.CreateLifetimeEnd(dst);
@@ -1492,7 +1523,7 @@ void CodegenLLVM::visit(Ternary &ternary)
b_.CreateBr(done);
b_.SetInsertPoint(done);
- expr_ = b_.CreateLoad(result);
+ expr_ = b_.CreateLoad(b_.GetType(ternary.type), result);
}
else if (ternary.type.IsStringTy())
{
@@ -1549,7 +1580,8 @@ void CodegenLLVM::visit(FieldAccess &acc)
}
else if (type.IsTupleTy())
{
- Value *src = b_.CreateGEP(expr_,
+ Value *src = b_.CreateGEP(b_.GetType(type),
+ expr_,
{ b_.getInt32(0), b_.getInt32(acc.index) });
SizedType &elem_type = type.GetFields()[acc.index].type;
@@ -1596,10 +1628,12 @@ void CodegenLLVM::visit(FieldAccess &acc)
if (field.is_bitfield)
{
Value *raw;
+ auto field_type = b_.GetType(field.type);
if (type.IsCtxAccess())
- raw = b_.CreateLoad(
- b_.CreateIntToPtr(src, b_.GetType(field.type)->getPointerTo()),
- true);
+ raw = b_.CreateLoad(field_type,
+ b_.CreateIntToPtr(src,
+ field_type->getPointerTo()),
+ true);
else
{
AllocaInst *dst = b_.CreateAllocaBPF(field.type,
@@ -1610,7 +1644,7 @@ void CodegenLLVM::visit(FieldAccess &acc)
b_.CREATE_MEMSET(dst, b_.getInt8(0), field.type.GetSize(), 1);
b_.CreateProbeRead(
ctx_, dst, field.bitfield.read_bytes, src, type.GetAS(), acc.loc);
- raw = b_.CreateLoad(dst);
+ raw = b_.CreateLoad(field_type, dst);
b_.CreateLifetimeEnd(dst);
}
size_t rshiftbits;
@@ -1638,7 +1672,8 @@ void CodegenLLVM::visit(FieldAccess &acc)
// offset which we add to the start of the tracepoint struct.
expr_ = b_.CreateLoad(
b_.getInt32Ty(),
- b_.CreateGEP(b_.CreatePointerCast(ctx_,
+ b_.CreateGEP(b_.getInt32Ty(),
+ b_.CreatePointerCast(ctx_,
b_.getInt32Ty()->getPointerTo()),
b_.getInt64(field.offset / 4)));
expr_ = b_.CreateIntCast(expr_, b_.getInt64Ty(), false);
@@ -1757,7 +1792,9 @@ void CodegenLLVM::visit(Tuple &tuple)
Expression *elem = tuple.elems->at(i);
auto scoped_del = accept(elem);
- Value *dst = b_.CreateGEP(buf, { b_.getInt32(0), b_.getInt32(i) });
+ Value *dst = b_.CreateGEP(tuple_ty,
+ buf,
+ { b_.getInt32(0), b_.getInt32(i) });
if (onStack(elem->type))
b_.CREATE_MEMCPY(dst, expr_, elem->type.GetSize(), 1);
@@ -2357,6 +2394,7 @@ std::tuple<Value *, CodegenLLVM::ScopedExprDeleter> CodegenLLVM::getMapKey(
size += expr->type.GetSize();
}
key = b_.CreateAllocaBPF(size, map.ident + "_key");
+ auto *key_type = ArrayType::get(b_.getInt8Ty(), size);
int offset = 0;
// Construct a map key in the stack
@@ -2364,7 +2402,8 @@ std::tuple<Value *, CodegenLLVM::ScopedExprDeleter> CodegenLLVM::getMapKey(
{
auto scoped_del = accept(expr);
Value *offset_val = b_.CreateGEP(
- key, { b_.getInt64(0), b_.getInt64(offset) });
+ key_type, key,
+ { b_.getInt64(0), b_.getInt64(offset) });
if (onStack(expr->type))
b_.CREATE_MEMCPY(offset_val, expr_, expr->type.GetSize(), 1);
@@ -2417,18 +2456,19 @@ AllocaInst *CodegenLLVM::getHistMapKey(Map &map, Value *log2)
size += expr->type.GetSize();
}
key = b_.CreateAllocaBPF(size, map.ident + "_key");
+ auto *key_type = ArrayType::get(b_.getInt8Ty(), size);
int offset = 0;
for (Expression *expr : *map.vargs) {
auto scoped_del = accept(expr);
- Value *offset_val = b_.CreateGEP(key, {b_.getInt64(0), b_.getInt64(offset)});
+ Value *offset_val = b_.CreateGEP(key_type, key, {b_.getInt64(0), b_.getInt64(offset)});
if (shouldBeOnStackAlready(expr->type))
b_.CREATE_MEMCPY(offset_val, expr_, expr->type.GetSize(), 1);
else
b_.CreateStore(expr_, offset_val);
offset += expr->type.GetSize();
}
- Value *offset_val = b_.CreateGEP(key, {b_.getInt64(0), b_.getInt64(offset)});
+ Value *offset_val = b_.CreateGEP(key_type, key, {b_.getInt64(0), b_.getInt64(offset)});
b_.CreateStore(log2, offset_val);
}
else
@@ -2475,7 +2515,7 @@ Value *CodegenLLVM::createLogicalAnd(Binop &binop)
b_.CreateBr(merge_block);
b_.SetInsertPoint(merge_block);
- return b_.CreateLoad(result);
+ return b_.CreateLoad(b_.getInt64Ty(), result);
}
Value *CodegenLLVM::createLogicalOr(Binop &binop)
@@ -2514,7 +2554,7 @@ Value *CodegenLLVM::createLogicalOr(Binop &binop)
b_.CreateBr(merge_block);
b_.SetInsertPoint(merge_block);
- return b_.CreateLoad(result);
+ return b_.CreateLoad(b_.getInt64Ty(), result);
}
Function *CodegenLLVM::createLog2Function()
@@ -2558,34 +2598,37 @@ Function *CodegenLLVM::createLog2Function()
// test for less than zero
BasicBlock *is_less_than_zero = BasicBlock::Create(module_->getContext(), "hist.is_less_than_zero", log2_func);
BasicBlock *is_not_less_than_zero = BasicBlock::Create(module_->getContext(), "hist.is_not_less_than_zero", log2_func);
- b_.CreateCondBr(b_.CreateICmpSLT(b_.CreateLoad(n_alloc), b_.getInt64(0)),
+ b_.CreateCondBr(b_.CreateICmpSLT(b_.CreateLoad(b_.getInt64Ty(), n_alloc),
+ b_.getInt64(0)),
is_less_than_zero,
is_not_less_than_zero);
b_.SetInsertPoint(is_less_than_zero);
- createRet(b_.CreateLoad(result));
+ createRet(b_.CreateLoad(b_.getInt64Ty(), result));
b_.SetInsertPoint(is_not_less_than_zero);
// test for equal to zero
BasicBlock *is_zero = BasicBlock::Create(module_->getContext(), "hist.is_zero", log2_func);
BasicBlock *is_not_zero = BasicBlock::Create(module_->getContext(), "hist.is_not_zero", log2_func);
- b_.CreateCondBr(b_.CreateICmpEQ(b_.CreateLoad(n_alloc), b_.getInt64(0)),
+ b_.CreateCondBr(b_.CreateICmpEQ(b_.CreateLoad(b_.getInt64Ty(), n_alloc),
+ b_.getInt64(0)),
is_zero,
is_not_zero);
b_.SetInsertPoint(is_zero);
b_.CreateStore(b_.getInt64(1), result);
- createRet(b_.CreateLoad(result));
+ createRet(b_.CreateLoad(b_.getInt64Ty(), result));
b_.SetInsertPoint(is_not_zero);
// power-of-2 index, offset by +2
b_.CreateStore(b_.getInt64(2), result);
for (int i = 4; i >= 0; i--)
{
- Value *n = b_.CreateLoad(n_alloc);
+ Value *n = b_.CreateLoad(b_.getInt64Ty(), n_alloc);
Value *shift = b_.CreateShl(b_.CreateIntCast(b_.CreateICmpSGE(b_.CreateIntCast(n, b_.getInt64Ty(), false), b_.getInt64(1 << (1<<i))), b_.getInt64Ty(), false), i);
b_.CreateStore(b_.CreateLShr(n, shift), n_alloc);
- b_.CreateStore(b_.CreateAdd(b_.CreateLoad(result), shift), result);
+ b_.CreateStore(b_.CreateAdd(b_.CreateLoad(b_.getInt64Ty(), result), shift),
+ result);
}
- createRet(b_.CreateLoad(result));
+ createRet(b_.CreateLoad(b_.getInt64Ty(), result));
b_.restoreIP(ip);
return module_->getFunction("log2");
}
@@ -2635,8 +2678,8 @@ Function *CodegenLLVM::createLinearFunction()
// algorithm
{
- Value *min = b_.CreateLoad(min_alloc);
- Value *val = b_.CreateLoad(value_alloc);
+ Value *min = b_.CreateLoad(b_.getInt64Ty(), min_alloc);
+ Value *val = b_.CreateLoad(b_.getInt64Ty(), value_alloc);
cmp = b_.CreateICmpSLT(val, min);
}
BasicBlock *lt_min = BasicBlock::Create(module_->getContext(), "lhist.lt_min", linear_func);
@@ -2648,8 +2691,8 @@ Function *CodegenLLVM::createLinearFunction()
b_.SetInsertPoint(ge_min);
{
- Value *max = b_.CreateLoad(max_alloc);
- Value *val = b_.CreateLoad(value_alloc);
+ Value *max = b_.CreateLoad(b_.getInt64Ty(), max_alloc);
+ Value *val = b_.CreateLoad(b_.getInt64Ty(), value_alloc);
cmp = b_.CreateICmpSGT(val, max);
}
BasicBlock *le_max = BasicBlock::Create(module_->getContext(), "lhist.le_max", linear_func);
@@ -2658,22 +2701,22 @@ Function *CodegenLLVM::createLinearFunction()
b_.SetInsertPoint(gt_max);
{
- Value *step = b_.CreateLoad(step_alloc);
- Value *min = b_.CreateLoad(min_alloc);
- Value *max = b_.CreateLoad(max_alloc);
+ Value *step = b_.CreateLoad(b_.getInt64Ty(), step_alloc);
+ Value *min = b_.CreateLoad(b_.getInt64Ty(), min_alloc);
+ Value *max = b_.CreateLoad(b_.getInt64Ty(), max_alloc);
Value *div = b_.CreateUDiv(b_.CreateSub(max, min), step);
b_.CreateStore(b_.CreateAdd(div, b_.getInt64(1)), result_alloc);
- createRet(b_.CreateLoad(result_alloc));
+ createRet(b_.CreateLoad(b_.getInt64Ty(), result_alloc));
}
b_.SetInsertPoint(le_max);
{
- Value *step = b_.CreateLoad(step_alloc);
- Value *min = b_.CreateLoad(min_alloc);
- Value *val = b_.CreateLoad(value_alloc);
+ Value *step = b_.CreateLoad(b_.getInt64Ty(), step_alloc);
+ Value *min = b_.CreateLoad(b_.getInt64Ty(), min_alloc);
+ Value *val = b_.CreateLoad(b_.getInt64Ty(), value_alloc);
Value *div3 = b_.CreateUDiv(b_.CreateSub(val, min), step);
b_.CreateStore(b_.CreateAdd(div3, b_.getInt64(1)), result_alloc);
- createRet(b_.CreateLoad(result_alloc));
+ createRet(b_.CreateLoad(b_.getInt64Ty(), result_alloc));
}
b_.restoreIP(ip);
@@ -2711,14 +2754,18 @@ void CodegenLLVM::createFormatStringCall(Call &call, int &id, CallArgs &call_arg
// as the struct is not packed we need to memset it.
b_.CREATE_MEMSET(fmt_args, b_.getInt8(0), struct_size, 1);
- Value *id_offset = b_.CreateGEP(fmt_args, {b_.getInt32(0), b_.getInt32(0)});
+ Value *id_offset = b_.CreateGEP(fmt_struct,
+ fmt_args,
+ { b_.getInt32(0), b_.getInt32(0) });
b_.CreateStore(b_.getInt64(id + asyncactionint(async_action)), id_offset);
for (size_t i=1; i<call.vargs->size(); i++)
{
Expression &arg = *call.vargs->at(i);
auto scoped_del = accept(&arg);
- Value *offset = b_.CreateGEP(fmt_args, {b_.getInt32(0), b_.getInt32(i)});
+ Value *offset = b_.CreateGEP(fmt_struct,
+ fmt_args,
+ { b_.getInt32(0), b_.getInt32(i) });
if (needMemcpy(arg.type))
b_.CREATE_MEMCPY(offset, expr_, arg.type.GetSize(), 1);
else if (arg.type.IsIntegerTy() && arg.type.GetSize() < 8)
@@ -2758,10 +2805,12 @@ void CodegenLLVM::generateWatchpointSetupProbe(
// Pull out function argument
Value *ctx = func->arg_begin();
int offset = arch::arg_offset(arg_num);
- Value *addr = b_.CreateLoad(
- b_.getInt64Ty(),
- b_.CreateGEP(ctx, b_.getInt64(offset * sizeof(uintptr_t))),
- "arg" + std::to_string(arg_num));
+ Value *arg = b_.CreateGEP(b_.getInt8Ty(),
+ ctx,
+ b_.getInt64(offset * sizeof(uintptr_t)));
+ Value *addr = b_.CreateLoad(b_.getInt64Ty(),
+ arg,
+ "arg" + std::to_string(arg_num));
// Tell userspace to setup the real watchpoint
auto elements = AsyncEvent::Watchpoint().asLLVMType(b_);
@@ -2772,12 +2821,16 @@ void CodegenLLVM::generateWatchpointSetupProbe(
size_t struct_size = datalayout().getTypeAllocSize(watchpoint_struct);
// Fill in perf event struct
- b_.CreateStore(b_.getInt64(asyncactionint(AsyncAction::watchpoint_attach)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
- b_.CreateStore(b_.getInt64(watchpoint_id_),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) }));
+ b_.CreateStore(
+ b_.getInt64(asyncactionint(AsyncAction::watchpoint_attach)),
+ b_.CreateGEP(watchpoint_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.getInt64(watchpoint_id_),
+ b_.CreateGEP(watchpoint_struct, buf, { b_.getInt64(0), b_.getInt32(1) }));
watchpoint_id_++;
- b_.CreateStore(addr, b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(2) }));
+ b_.CreateStore(
+ addr,
+ b_.CreateGEP(watchpoint_struct, buf, { b_.getInt64(0), b_.getInt32(2) }));
b_.CreatePerfEventOutput(ctx, buf, struct_size);
b_.CreateLifetimeEnd(buf);
@@ -2796,11 +2849,14 @@ void CodegenLLVM::createPrintMapCall(Call &call)
call.func + "_" + map.ident);
// store asyncactionid:
- b_.CreateStore(b_.getInt64(asyncactionint(AsyncAction::print)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.getInt64(asyncactionint(AsyncAction::print)),
+ b_.CreateGEP(print_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
auto id = bpftrace_.maps[map.ident].value()->id;
- auto *ident_ptr = b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) });
+ auto *ident_ptr = b_.CreateGEP(print_struct,
+ buf,
+ { b_.getInt64(0), b_.getInt32(1) });
b_.CreateStore(b_.GetIntSameSize(id, elements.at(1)), ident_ptr);
// top, div
@@ -2812,14 +2868,16 @@ void CodegenLLVM::createPrintMapCall(Call &call)
auto scoped_del = accept(call.vargs->at(arg_idx));
b_.CreateStore(b_.CreateIntCast(expr_, elements.at(arg_idx), false),
- b_.CreateGEP(buf,
+ b_.CreateGEP(print_struct,
+ buf,
{ b_.getInt64(0), b_.getInt32(arg_idx + 1) }));
}
for (; arg_idx < 3; arg_idx++)
{
b_.CreateStore(b_.GetIntSameSize(0, elements.at(arg_idx)),
- b_.CreateGEP(buf,
+ b_.CreateGEP(print_struct,
+ buf,
{ b_.getInt64(0), b_.getInt32(arg_idx + 1) }));
}
@@ -2844,15 +2902,19 @@ void CodegenLLVM::createPrintNonMapCall(Call &call, int &id)
size_t struct_size = datalayout().getTypeAllocSize(print_struct);
// Store asyncactionid:
- b_.CreateStore(b_.getInt64(asyncactionint(AsyncAction::print_non_map)),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(0) }));
+ b_.CreateStore(
+ b_.getInt64(asyncactionint(AsyncAction::print_non_map)),
+ b_.CreateGEP(print_struct, buf, { b_.getInt64(0), b_.getInt32(0) }));
// Store print id
- b_.CreateStore(b_.getInt64(id),
- b_.CreateGEP(buf, { b_.getInt64(0), b_.getInt32(1) }));
+ b_.CreateStore(
+ b_.getInt64(id),
+ b_.CreateGEP(print_struct, buf, { b_.getInt64(0), b_.getInt32(1) }));
// Store content
- Value *content_offset = b_.CreateGEP(buf, { b_.getInt32(0), b_.getInt32(2) });
+ Value *content_offset = b_.CreateGEP(print_struct,
+ buf,
+ { b_.getInt32(0), b_.getInt32(2) });
b_.CREATE_MEMSET(content_offset, b_.getInt8(0), arg.type.GetSize(), 1);
if (needMemcpy(arg.type))
{
@@ -3023,7 +3085,9 @@ void CodegenLLVM::readDatastructElemFromStack(Value *src_data,
src_data = b_.CreateIntToPtr(src_data,
b_.GetType(data_type)->getPointerTo());
- Value *src = b_.CreateGEP(src_data, { b_.getInt32(0), index });
+ Value *src = b_.CreateGEP(b_.GetType(data_type),
+ src_data,
+ { b_.getInt32(0), index });
// It may happen that the result pointer type is not correct, in such case
// do a typecast
@@ -3034,7 +3098,7 @@ void CodegenLLVM::readDatastructElemFromStack(Value *src_data,
if (elem_type.IsIntegerTy() || elem_type.IsPtrTy())
{
// Load the correct type from src
- expr_ = b_.CreateLoad(src, true);
+ expr_ = b_.CreateLoad(b_.GetType(elem_type), src, true);
}
else
{
@@ -3101,7 +3165,8 @@ void CodegenLLVM::probereadDatastructElem(Value *src_data,
// Read data onto stack
if (data_type.IsCtxAccess())
{
- expr_ = b_.CreateLoad(b_.CreateIntToPtr(src, dst_type->getPointerTo()),
+ expr_ = b_.CreateLoad(dst_type,
+ b_.CreateIntToPtr(src, dst_type->getPointerTo()),
true);
expr_ = b_.CreateIntCast(expr_, b_.getInt64Ty(), elem_type.IsSigned());
@@ -3132,7 +3197,7 @@ void CodegenLLVM::probereadDatastructElem(Value *src_data,
AllocaInst *dst = b_.CreateAllocaBPF(elem_type, temp_name);
b_.CreateProbeRead(
ctx_, dst, elem_type.GetSize(), src, data_type.GetAS(), loc);
- expr_ = b_.CreateIntCast(b_.CreateLoad(dst),
+ expr_ = b_.CreateIntCast(b_.CreateLoad(b_.GetType(elem_type), dst),
b_.getInt64Ty(),
elem_type.IsSigned());
b_.CreateLifetimeEnd(dst);
diff --git a/src/ast/irbuilderbpf.cpp b/src/ast/irbuilderbpf.cpp
index ab1464d3..59771e91 100644
--- a/src/ast/irbuilderbpf.cpp
+++ b/src/ast/irbuilderbpf.cpp
@@ -94,8 +94,8 @@ AllocaInst *IRBuilderBPF::CreateUSym(llvm::Value *val)
Value *pid = CreateLShr(CreateGetPidTgid(), 32);
// The extra 0 here ensures the type of addr_offset will be int64
- Value *addr_offset = CreateGEP(buf, { getInt64(0), getInt32(0) });
- Value *pid_offset = CreateGEP(buf, { getInt64(0), getInt32(1) });
+ Value *addr_offset = CreateGEP(usym_t, buf, { getInt64(0), getInt32(0) });
+ Value *pid_offset = CreateGEP(usym_t, buf, { getInt64(0), getInt32(1) });
CreateStore(val, addr_offset);
CreateStore(pid, pid_offset);
@@ -401,7 +401,8 @@ Value *IRBuilderBPF::CreateMapLookupElem(Value *ctx,
if (needMemcpy(type))
return value;
- Value *ret = CreateLoad(value);
+ // value is a pointer to i64
+ Value *ret = CreateLoad(getInt64Ty(), value);
CreateLifetimeEnd(value);
return ret;
}
@@ -621,7 +622,10 @@ Value *IRBuilderBPF::CreateUSDTReadArgument(Value *ctx,
// bpftrace's args are internally represented as 64 bit integers. However,
// the underlying argument (of the target program) may be less than 64
// bits. So we must be careful to zero out unused bits.
- Value* reg = CreateGEP(ctx, getInt64(offset * sizeof(uintptr_t)), "load_register");
+ Value *reg = CreateGEP(getInt8Ty(),
+ ctx,
+ getInt64(offset * sizeof(uintptr_t)),
+ "load_register");
AllocaInst *dst = CreateAllocaBPF(builtin.type, builtin.ident);
Value *index_offset = nullptr;
if (argument->valid & BCC_USDT_ARGUMENT_INDEX_REGISTER_NAME)
@@ -632,7 +636,8 @@ Value *IRBuilderBPF::CreateUSDTReadArgument(Value *ctx,
LOG(FATAL) << "offset for register " << argument->index_register_name
<< " not known";
}
- index_offset = CreateGEP(ctx,
+ index_offset = CreateGEP(getInt8Ty(),
+ ctx,
getInt64(ioffset * sizeof(uintptr_t)),
"load_register");
index_offset = CreateLoad(getInt64Ty(), index_offset);
@@ -754,7 +759,7 @@ Value *IRBuilderBPF::CreateStrncmp(Value *ctx __attribute__((unused)),
"strcmp.loop",
parent);
- auto *ptr = CreateGEP(val, { getInt32(0), getInt32(i) });
+ auto *ptr = CreateGEP(valp->getElementType(), val, { getInt32(0), getInt32(i) });
Value *l = CreateLoad(getInt8Ty(), ptr);
Value *r = getInt8(c_str[i]);
Value *cmp = CreateICmpNE(l, r, "strcmp.cmp");
@@ -767,7 +772,8 @@ Value *IRBuilderBPF::CreateStrncmp(Value *ctx __attribute__((unused)),
CreateBr(str_ne);
SetInsertPoint(str_ne);
- Value *result = CreateLoad(store);
+ // store is a pointer to bool (i1 *)
+ Value *result = CreateLoad(getInt1Ty(), store);
CreateLifetimeEnd(store);
result = CreateIntCast(result, getInt64Ty(), false);
return result;
@@ -817,9 +823,11 @@ Value *IRBuilderBPF::CreateStrncmp(Value *ctx,
}
*/
+ auto *val1p = dyn_cast<PointerType>(val1->getType());
+ auto *val2p = dyn_cast<PointerType>(val2->getType());
#ifndef NDEBUG
- PointerType *val1p = cast<PointerType>(val1->getType());
- PointerType *val2p = cast<PointerType>(val2->getType());
+ assert(val1p);
+ assert(val2p);
assert(val1p->getElementType()->isArrayTy() &&
val1p->getElementType()->getArrayElementType() == getInt8Ty());
@@ -852,11 +860,11 @@ Value *IRBuilderBPF::CreateStrncmp(Value *ctx,
"strcmp.loop_null_cmp",
parent);
- auto *ptr1 = CreateGEP(val1, { getInt32(0), getInt32(i) });
+ auto *ptr1 = CreateGEP(val1p->getElementType(), val1, { getInt32(0), getInt32(i) });
CreateProbeRead(ctx, val_l, 1, ptr1, as1, loc);
Value *l = CreateLoad(getInt8Ty(), val_l);
- auto *ptr2 = CreateGEP(val2, { getInt32(0), getInt32(i) });
+ auto *ptr2 = CreateGEP(val2p->getElementType(), val2, { getInt32(0), getInt32(i) });
CreateProbeRead(ctx, val_r, 1, ptr2, as2, loc);
Value *r = CreateLoad(getInt8Ty(), val_r);
@@ -878,7 +886,8 @@ Value *IRBuilderBPF::CreateStrncmp(Value *ctx,
CreateBr(str_ne);
SetInsertPoint(str_ne);
- Value *result = CreateLoad(store);
+ // store is a pointer to bool (i1 *)
+ Value *result = CreateLoad(getInt1Ty(), store);
CreateLifetimeEnd(store);
CreateLifetimeEnd(val_l);
CreateLifetimeEnd(val_r);
@@ -1107,7 +1116,7 @@ Value *IRBuilderBPF::CreatKFuncArg(Value *ctx,
{
ctx = CreatePointerCast(ctx, getInt64Ty()->getPointerTo());
Value *expr = CreateLoad(getInt64Ty(),
- CreateGEP(ctx, getInt64(type.kfarg_idx)),
+ CreateGEP(getInt64Ty(), ctx, getInt64(type.kfarg_idx)),
name);
// LLVM 7.0 <= does not have CreateLoad(*Ty, *Ptr, isVolatile, Name),
@@ -1161,12 +1170,15 @@ void IRBuilderBPF::CreateHelperError(Value *ctx,
elements,
true);
AllocaInst *buf = CreateAllocaBPF(helper_error_struct, "helper_error_t");
- CreateStore(GetIntSameSize(asyncactionint(AsyncAction::helper_error),
- elements.at(0)),
- CreateGEP(buf, { getInt64(0), getInt32(0) }));
- CreateStore(GetIntSameSize(error_id, elements.at(1)),
- CreateGEP(buf, { getInt64(0), getInt32(1) }));
- CreateStore(return_value, CreateGEP(buf, { getInt64(0), getInt32(2) }));
+ CreateStore(
+ GetIntSameSize(asyncactionint(AsyncAction::helper_error), elements.at(0)),
+ CreateGEP(helper_error_struct, buf, { getInt64(0), getInt32(0) }));
+ CreateStore(
+ GetIntSameSize(error_id, elements.at(1)),
+ CreateGEP(helper_error_struct, buf, { getInt64(0), getInt32(1) }));
+ CreateStore(
+ return_value,
+ CreateGEP(helper_error_struct, buf, { getInt64(0), getInt32(2) }));
auto &layout = module_.getDataLayout();
auto struct_size = layout.getTypeAllocSize(helper_error_struct);
@@ -1256,11 +1268,13 @@ void IRBuilderBPF::CreateSeqPrintf(Value *ctx,
ctx = CreatePointerCast(ctx, getInt8Ty()->getPointerTo());
Value *meta = CreateLoad(getInt64Ty()->getPointerTo(),
- CreateGEP(ctx, getInt64(0)),
+ CreateGEP(getInt8Ty(), ctx, getInt64(0)),
"meta");
dyn_cast<LoadInst>(meta)->setVolatile(true);
- Value *seq = CreateLoad(getInt64Ty(), CreateGEP(meta, getInt64(0)), "seq");
+ Value *seq = CreateLoad(getInt64Ty(),
+ CreateGEP(getInt64Ty(), meta, getInt64(0)),
+ "seq");
CallInst *call = createCall(seq_printf_func,
{ seq, fmt, fmt_size, data, data_len },
--
2.35.3

42
SOURCES/bpftrace-0.13.1-Fix-compile-under-llvm14-trunk.patch Normal file
View File

@ -0,0 +1,42 @@
From aee721b9b5ed72c287b302df20ea0fffc3cd72bd Mon Sep 17 00:00:00 2001
From: Yucong Sun <sunyucong@gmail.com>
Date: Thu, 21 Oct 2021 14:43:38 -0700
Subject: [PATCH 7/7] Fix compile under llvm14 (trunk)
---
CMakeLists.txt | 2 +-
src/bpforc.h | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3beeb027..3cfae6cb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,7 +159,7 @@ else()
find_package(LLVM REQUIRED)
endif()
- if((${LLVM_VERSION_MAJOR} VERSION_LESS 6) OR (${LLVM_VERSION_MAJOR} VERSION_GREATER 12))
+ if((${LLVM_VERSION_MAJOR} VERSION_LESS 6) OR (${LLVM_VERSION_MAJOR} VERSION_GREATER 14))
message(SEND_ERROR "Unsupported LLVM version found: ${LLVM_INCLUDE_DIRS}")
message(SEND_ERROR "Specify an LLVM major version using LLVM_REQUESTED_VERSION=<major version>")
endif()
diff --git a/src/bpforc.h b/src/bpforc.h
index cc6a1c97..a0e5c9b8 100644
--- a/src/bpforc.h
+++ b/src/bpforc.h
@@ -14,7 +14,11 @@
#include <llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h>
#include <llvm/ExecutionEngine/SectionMemoryManager.h>
#include <llvm/Support/Error.h>
+#if LLVM_VERSION_MAJOR < 14
#include <llvm/Support/TargetRegistry.h>
+#else
+#include <llvm/MC/TargetRegistry.h>
+#endif
#include <llvm/Target/TargetMachine.h>
#ifdef LLVM_ORC_V2
--
2.35.3

39
SOURCES/bpftrace-0.13.1-Fix-libbtf-0.6.0-build.patch Normal file
View File

@ -0,0 +1,39 @@
From d26accaba6f911cf82be7e9791bf6440213c5627 Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com>
Date: Wed, 23 Mar 2022 09:47:25 +0100
Subject: [PATCH 4/6] Fix libbtf 0.6.0 build
Libbtf 0.6.0 introduced a new version of btf_dump__new(). The new
version is btf_dump__new_v0_6_0() while the old version was renamed
btf_dump__new_deprecated(). btf_dump__new() is now overloaded,
unfortunately the macro doesn't work on cpp, at least with LLVM 12.
Let's call btf_dump__new_deprecated() explicitely when it's defined.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
---
src/btf.cpp | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/btf.cpp b/src/btf.cpp
index a5a5e2c0..fccf0a00 100644
--- a/src/btf.cpp
+++ b/src/btf.cpp
@@ -24,6 +24,15 @@
#pragma GCC diagnostic pop
#include <bpf/libbpf.h>
+/*
+ * Since libbtf 0.6, btf_dump__new() has been overloaded and now can design
+ * either btf_dump__new_v0_6_0() or btf_dump__new_deprecated(), which is the
+ * same as btf_dump__new() for libbtf < 0.6, and the one we still use.
+ */
+#if LIBBPF_MAJOR_VERSION == 0 && LIBBPF_MINOR_VERSION >= 6
+#define btf_dump__new(a1, a2, a3, a4) btf_dump__new_deprecated(a1, a2, a3, a4)
+#endif
+
#include "bpftrace.h"
namespace bpftrace {
--
2.35.3

8
SOURCES/bpftrace-0.12.1-Fix-mdflush.patch → SOURCES/bpftrace-0.13.1-Fix-mdflush.patch
View File

@ -1,11 +1,13 @@
From 7453a97005fda29f0b7be8f257736a19d7c13dbe Mon Sep 17 00:00:00 2001 From 0585b27f6070c0d4016ae9b0d6e1a28261f2e2d2 Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com> From: Jerome Marchand <jmarchan@redhat.com>
Date: Fri, 15 Oct 2021 14:26:28 +0200 Date: Fri, 15 Oct 2021 14:26:28 +0200
Subject: [PATCH] Fix mdflush Subject: [PATCH 2/6] Fix mdflush
Since kernel commit 309dca309fc ("block: store a block_device pointer Since kernel commit 309dca309fc ("block: store a block_device pointer
in struct bio") struct bio points again to a block_device and not to a in struct bio") struct bio points again to a block_device and not to a
gendisk directly. gendisk directly.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
--- ---
tools/mdflush.bt | 2 +- tools/mdflush.bt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-) 1 file changed, 1 insertion(+), 1 deletion(-)
@ -22,5 +24,5 @@ index e767b81d..541abba1 100755
+ ((struct bio *)arg1)->bi_bdev->bd_disk->disk_name); + ((struct bio *)arg1)->bi_bdev->bd_disk->disk_name);
} }
-- --
2.31.1 2.35.3

10
SOURCES/bpftrace-0.12.1-RHEL-9-fixes.patch → SOURCES/bpftrace-0.13.1-RHEL-9-fixes.patch
View File

@ -1,10 +1,12 @@
From 453e1ea9b9d036cc9cfa0ef2e20c53e926e1b3b8 Mon Sep 17 00:00:00 2001 From 4d7c2c148f7fb788d74e6cd3b6d65c07a815b0c1 Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com> From: Jerome Marchand <jmarchan@redhat.com>
Date: Tue, 11 Jun 2019 16:41:59 +0200 Date: Tue, 11 Jun 2019 16:41:59 +0200
Subject: [PATCH] RHEL 9 fixes Subject: [PATCH 1/6] RHEL 9 fixes
Fixes the following RHEL 8 specific issues: Fixes the following RHEL 8 specific issues:
- library path in gethostlatency and threadsnoop - library path in gethostlatency and threadsnoop
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
--- ---
tools/gethostlatency.bt | 12 ++++++------ tools/gethostlatency.bt | 12 ++++++------
tools/threadsnoop.bt | 2 +- tools/threadsnoop.bt | 2 +-
@ -39,7 +41,7 @@ index 9f4ec31e..dd389c6f 100755
{ {
$latms = (nsecs - @start[tid]) / 1e6; $latms = (nsecs - @start[tid]) / 1e6;
diff --git a/tools/threadsnoop.bt b/tools/threadsnoop.bt diff --git a/tools/threadsnoop.bt b/tools/threadsnoop.bt
index 3824bc6d..bdc6e4df 100755 index 3824bc6d..ab52bc48 100755
--- a/tools/threadsnoop.bt --- a/tools/threadsnoop.bt
+++ b/tools/threadsnoop.bt +++ b/tools/threadsnoop.bt
@@ -18,7 +18,7 @@ BEGIN @@ -18,7 +18,7 @@ BEGIN
@ -52,5 +54,5 @@ index 3824bc6d..bdc6e4df 100755
printf("%-10u %-6d %-16s %s\n", elapsed / 1e6, pid, comm, printf("%-10u %-6d %-16s %s\n", elapsed / 1e6, pid, comm,
usym(arg2)); usym(arg2));
-- --
2.31.1 2.35.3

8
SOURCES/bpftrace-0.12.1-aarch64-fixes-statsnoop-and-opensnoop.patch → SOURCES/bpftrace-0.13.1-RHEL-aarch64-fixes-statsnoop-and-opensnoop.patch
View File

@ -1,7 +1,7 @@
From 69f6d7ff04f43451eea2fb028a84a76331bbf6ea Mon Sep 17 00:00:00 2001 From b23980e4f6ed33d98f4f09ef25ae17baca215cce Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com> From: Jerome Marchand <jmarchan@redhat.com>
Date: Thu, 11 Jun 2020 14:56:36 +0200 Date: Thu, 11 Jun 2020 14:56:36 +0200
Subject: [PATCH] RHEL-8: aarch64: fixes statsnoop and opensnoop Subject: [PATCH 6/6] RHEL: aarch64: fixes statsnoop and opensnoop
On aarch64 the open syscall has been dropped. Only openat remains, On aarch64 the open syscall has been dropped. Only openat remains,
wich is called by libc open() function. wich is called by libc open() function.
@ -12,6 +12,8 @@ instance, new(l)stat are missing from aarch64.
The only way I can think of fixing thess is RHEL-8 only arch specific The only way I can think of fixing thess is RHEL-8 only arch specific
patches. patches.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
--- ---
tools/opensnoop.bt | 2 -- tools/opensnoop.bt | 2 --
tools/statsnoop.bt | 8 ++------ tools/statsnoop.bt | 8 ++------
@ -60,5 +62,5 @@ index b2d529e2..f612ea94 100755
{ {
$ret = args->ret; $ret = args->ret;
-- --
2.30.2 2.35.3

50
SOURCES/bpftrace-0.12.1-Update-bio-tools-to-work-on-RHEL9.patch → SOURCES/bpftrace-0.13.1-Update-bio-tools-to-work-on-kernel-5.16.patch
View File

@ -1,84 +1,78 @@
From 617bb8501c091be2501b3abe4dad47804d5a4278 Mon Sep 17 00:00:00 2001 From ff22437ef4310a2ab37d732bdd1496a926315691 Mon Sep 17 00:00:00 2001
From: Viktor Malik <viktor.malik@gmail.com> From: Viktor Malik <viktor.malik@gmail.com>
Date: Mon, 17 Jan 2022 11:15:26 +0100 Date: Mon, 17 Jan 2022 11:15:26 +0100
Subject: [PATCH] Update bio* tools to work on RHEL9 Subject: [PATCH 5/6] Update bio* tools to work on kernel 5.16+
Kernel commit: Kernel 5.16 contains commit:
9e6c144e5fee block: inline hot paths of blk_account_io_*()
renamed some functions used in the tools.
Kernel commit: https://github.com/torvalds/linux/commit/be6bfe36db1795babe9d92178a47b2e02193cb0f
5f8d3bf600d2 block: move struct request to blk-mq.h
moved "struct request" to a different header.
This fixes both issues. which renamed some of the functions that the bio* tools attach to.
--- ---
tools/biolatency.bt | 4 ++-- tools/biolatency.bt | 6 ++++--
tools/biosnoop.bt | 6 +++--- tools/biosnoop.bt | 6 ++++--
tools/biostacks.bt | 2 +- tools/biostacks.bt | 3 ++-
3 files changed, 6 insertions(+), 6 deletions(-) 3 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/tools/biolatency.bt b/tools/biolatency.bt diff --git a/tools/biolatency.bt b/tools/biolatency.bt
index 4ea910b4..8fb0490d 100755 index 4ea910b4..d5af1f29 100755
--- a/tools/biolatency.bt --- a/tools/biolatency.bt
+++ b/tools/biolatency.bt +++ b/tools/biolatency.bt
@@ -16,12 +16,12 @@ BEGIN @@ -16,12 +16,14 @@ BEGIN
printf("Tracing block device I/O... Hit Ctrl-C to end.\n"); printf("Tracing block device I/O... Hit Ctrl-C to end.\n");
} }
-kprobe:blk_account_io_start -kprobe:blk_account_io_start
+kprobe:blk_account_io_start,
+kprobe:__blk_account_io_start +kprobe:__blk_account_io_start
{ {
@start[arg0] = nsecs; @start[arg0] = nsecs;
} }
-kprobe:blk_account_io_done -kprobe:blk_account_io_done
+kprobe:blk_account_io_done,
+kprobe:__blk_account_io_done +kprobe:__blk_account_io_done
/@start[arg0]/ /@start[arg0]/
{ {
@usecs = hist((nsecs - @start[arg0]) / 1000); @usecs = hist((nsecs - @start[arg0]) / 1000);
diff --git a/tools/biosnoop.bt b/tools/biosnoop.bt diff --git a/tools/biosnoop.bt b/tools/biosnoop.bt
index 38ffeb52..6519054c 100755 index 38ffeb52..aa88f4ba 100755
--- a/tools/biosnoop.bt --- a/tools/biosnoop.bt
+++ b/tools/biosnoop.bt +++ b/tools/biosnoop.bt
@@ -1,5 +1,5 @@ @@ -16,7 +16,8 @@ BEGIN
#!/usr/bin/env bpftrace
-#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
/*
* biosnoop.bt Block I/O tracing tool, showing per I/O latency.
* For Linux, uses bpftrace, eBPF.
@@ -16,7 +16,7 @@ BEGIN
printf("%-12s %-7s %-16s %-6s %7s\n", "TIME(ms)", "DISK", "COMM", "PID", "LAT(ms)"); printf("%-12s %-7s %-16s %-6s %7s\n", "TIME(ms)", "DISK", "COMM", "PID", "LAT(ms)");
} }
-kprobe:blk_account_io_start -kprobe:blk_account_io_start
+kprobe:blk_account_io_start,
+kprobe:__blk_account_io_start +kprobe:__blk_account_io_start
{ {
@start[arg0] = nsecs; @start[arg0] = nsecs;
@iopid[arg0] = pid; @iopid[arg0] = pid;
@@ -24,7 +24,7 @@ kprobe:blk_account_io_start @@ -24,7 +25,8 @@ kprobe:blk_account_io_start
@disk[arg0] = ((struct request *)arg0)->rq_disk->disk_name; @disk[arg0] = ((struct request *)arg0)->rq_disk->disk_name;
} }
-kprobe:blk_account_io_done -kprobe:blk_account_io_done
+kprobe:blk_account_io_done,
+kprobe:__blk_account_io_done +kprobe:__blk_account_io_done
/@start[arg0] != 0 && @iopid[arg0] != 0 && @iocomm[arg0] != ""/ /@start[arg0] != 0 && @iopid[arg0] != 0 && @iocomm[arg0] != ""/
{ {
diff --git a/tools/biostacks.bt b/tools/biostacks.bt diff --git a/tools/biostacks.bt b/tools/biostacks.bt
index 58201cdf..fdd2efed 100755 index 58201cdf..1bc9f819 100755
--- a/tools/biostacks.bt --- a/tools/biostacks.bt
+++ b/tools/biostacks.bt +++ b/tools/biostacks.bt
@@ -18,7 +18,7 @@ BEGIN @@ -18,7 +18,8 @@ BEGIN
printf("Tracing block I/O with init stacks. Hit Ctrl-C to end.\n"); printf("Tracing block I/O with init stacks. Hit Ctrl-C to end.\n");
} }
-kprobe:blk_account_io_start -kprobe:blk_account_io_start
+kprobe:blk_account_io_start,
+kprobe:__blk_account_io_start +kprobe:__blk_account_io_start
{ {
@reqstack[arg0] = kstack; @reqstack[arg0] = kstack;
@reqts[arg0] = nsecs; @reqts[arg0] = nsecs;
-- --
2.34.1 2.35.3

98
SOURCES/bpftrace-0.13.1-biosnoop.bt-handle-Linux-5.17-block-layer-update.patch Normal file
View File

@ -0,0 +1,98 @@
From bcb8903067ce7a45b67ad0d5cabf83154b56d5ab Mon Sep 17 00:00:00 2001
From: Viktor Malik <viktor.malik@gmail.com>
Date: Mon, 9 May 2022 07:58:46 +0200
Subject: [PATCH 10/10] biosnoop.bt: handle Linux 5.17 block layer update
The kernel upstream commit:
https://github.com/torvalds/linux/commit/f3fa33acca9f0058157214800f68b10d8e71ab7a
has removed the `rq_disk` field from `struct request`. Instead,
`->q->disk` should be used, so this is reflected in biosnoop.bt.
The old version of the tool (suitable for kernel <= 5.16) is backed up
in tools/old and used in the CI.
---
tools/biosnoop.bt | 2 +-
tools/old/biosnoop.bt | 56 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+), 1 deletion(-)
create mode 100755 tools/old/biosnoop.bt
diff --git a/tools/biosnoop.bt b/tools/biosnoop.bt
index 33ad75de..c00ef428 100755
--- a/tools/biosnoop.bt
+++ b/tools/biosnoop.bt
@@ -25,7 +25,7 @@ kprobe:__blk_account_io_start
@start[arg0] = nsecs;
@iopid[arg0] = pid;
@iocomm[arg0] = comm;
- @disk[arg0] = ((struct request *)arg0)->rq_disk->disk_name;
+ @disk[arg0] = ((struct request *)arg0)->q->disk->disk_name;
}
kprobe:blk_account_io_done,
diff --git a/tools/old/biosnoop.bt b/tools/old/biosnoop.bt
new file mode 100755
index 00000000..1a99643a
--- /dev/null
+++ b/tools/old/biosnoop.bt
@@ -0,0 +1,56 @@
+#!/usr/bin/env bpftrace
+/*
+ * biosnoop.bt Block I/O tracing tool, showing per I/O latency.
+ * For Linux, uses bpftrace, eBPF.
+ *
+ * TODO: switch to block tracepoints. Add offset and size columns.
+ *
+ * This is a bpftrace version of the bcc tool of the same name.
+ *
+ * For Linux <= 5.16.
+ *
+ * 15-Nov-2017 Brendan Gregg Created this.
+ */
+
+#ifndef BPFTRACE_HAVE_BTF
+#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
+#endif
+
+BEGIN
+{
+ printf("%-12s %-7s %-16s %-6s %7s\n", "TIME(ms)", "DISK", "COMM", "PID", "LAT(ms)");
+}
+
+kprobe:blk_account_io_start,
+kprobe:__blk_account_io_start
+{
+ @start[arg0] = nsecs;
+ @iopid[arg0] = pid;
+ @iocomm[arg0] = comm;
+ @disk[arg0] = ((struct request *)arg0)->rq_disk->disk_name;
+}
+
+kprobe:blk_account_io_done,
+kprobe:__blk_account_io_done
+/@start[arg0] != 0 && @iopid[arg0] != 0 && @iocomm[arg0] != ""/
+
+{
+ $now = nsecs;
+ printf("%-12u %-7s %-16s %-6d %7d\n",
+ elapsed / 1e6, @disk[arg0], @iocomm[arg0], @iopid[arg0],
+ ($now - @start[arg0]) / 1e6);
+
+ delete(@start[arg0]);
+ delete(@iopid[arg0]);
+ delete(@iocomm[arg0]);
+ delete(@disk[arg0]);
+}
+
+END
+{
+ clear(@start);
+ clear(@iopid);
+ clear(@iocomm);
+ clear(@disk);
+}
--
2.35.3

23
SOURCES/bpftrace-0.12.1-orc-Fix-build-with-clang-13.patch → SOURCES/bpftrace-0.13.1-orc-Fix-build-with-clang-13.patch
View File

@ -1,7 +1,7 @@
From ddbd909505ed0530f0e4dec45c195e0cb315d516 Mon Sep 17 00:00:00 2001 From f562f8fae4bdb8ac51fc815b725bfaada2371b31 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com> From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 4 Sep 2021 17:28:17 -0700 Date: Sat, 4 Sep 2021 17:28:17 -0700
Subject: [PATCH] orc: Fix build with clang >= 13 Subject: [PATCH 3/6] orc: Fix build with clang >= 13
Fixes errors like Fixes errors like
src/ast/bpforc/bpforcv2.cpp:3:9: error: constructor for 'bpftrace::BpfOrc' must explicitly initialize the member 'ES' which does not have a default constructor src/ast/bpforc/bpforcv2.cpp:3:9: error: constructor for 'bpftrace::BpfOrc' must explicitly initialize the member 'ES' which does not have a default constructor
@ -17,7 +17,7 @@ Signed-off-by: Khem Raj <raj.khem@gmail.com>
2 files changed, 37 insertions(+), 9 deletions(-) 2 files changed, 37 insertions(+), 9 deletions(-)
diff --git a/src/bpforc.h b/src/bpforc.h diff --git a/src/bpforc.h b/src/bpforc.h
index 5634c544..1900e497 100644 index c333a651..cc6a1c97 100644
--- a/src/bpforc.h --- a/src/bpforc.h
+++ b/src/bpforc.h +++ b/src/bpforc.h
@@ -20,6 +20,9 @@ @@ -20,6 +20,9 @@
@ -30,7 +30,7 @@ index 5634c544..1900e497 100644
#endif #endif
#include <optional> #include <optional>
@@ -66,8 +69,12 @@ class BpfOrc @@ -71,8 +74,12 @@ class BpfOrc
std::unique_ptr<TargetMachine> TM; std::unique_ptr<TargetMachine> TM;
DataLayout DL; DataLayout DL;
#if LLVM_VERSION_MAJOR >= 7 #if LLVM_VERSION_MAJOR >= 7
@ -43,7 +43,7 @@ index 5634c544..1900e497 100644
#if LLVM_VERSION_MAJOR >= 7 && LLVM_VERSION_MAJOR < 12 #if LLVM_VERSION_MAJOR >= 7 && LLVM_VERSION_MAJOR < 12
std::shared_ptr<SymbolResolver> Resolver; std::shared_ptr<SymbolResolver> Resolver;
#endif #endif
@@ -92,7 +99,21 @@ class BpfOrc @@ -97,7 +104,21 @@ class BpfOrc
#endif #endif
public: public:
@ -65,7 +65,7 @@ index 5634c544..1900e497 100644
void compile(std::unique_ptr<Module> M); void compile(std::unique_ptr<Module> M);
/* Helper for creating a orc object, responsible for creating internal objects /* Helper for creating a orc object, responsible for creating internal objects
@@ -125,7 +146,7 @@ class BpfOrc @@ -130,7 +151,7 @@ class BpfOrc
#ifdef LLVM_ORC_V2 #ifdef LLVM_ORC_V2
Expected<JITEvaluatedSymbol> lookup(StringRef Name) Expected<JITEvaluatedSymbol> lookup(StringRef Name)
{ {
@ -75,10 +75,10 @@ index 5634c544..1900e497 100644
#endif #endif
}; };
diff --git a/src/bpforcv2.cpp b/src/bpforcv2.cpp diff --git a/src/bpforcv2.cpp b/src/bpforcv2.cpp
index 209e08e5..104213b0 100644 index 9876625b..3e6684e4 100644
--- a/src/bpforcv2.cpp --- a/src/bpforcv2.cpp
+++ b/src/bpforcv2.cpp +++ b/src/bpforcv2.cpp
@@ -1,24 +1,26 @@ @@ -1,21 +1,23 @@
// Included by bpforc.cpp // Included by bpforc.cpp
-BpfOrc::BpfOrc(TargetMachine *TM, DataLayout DL) -BpfOrc::BpfOrc(TargetMachine *TM, DataLayout DL)
@ -103,15 +103,12 @@ index 209e08e5..104213b0 100644
- MainJD(cantFail(ES.createJITDylib("<main>"))) - MainJD(cantFail(ES.createJITDylib("<main>")))
+ MainJD(cantFail(this->ES->createJITDylib("<main>"))) + MainJD(cantFail(this->ES->createJITDylib("<main>")))
{ {
MainJD.addGenerator(
cantFail(DynamicLibrarySearchGenerator::GetForCurrentProcess(
DL.getGlobalPrefix())));
} }
- -
LLVMContext &BpfOrc::getContext() LLVMContext &BpfOrc::getContext()
{ {
return *CTX.getContext(); return *CTX.getContext();
@@ -37,8 +39,13 @@ std::unique_ptr<BpfOrc> BpfOrc::Create() @@ -34,8 +36,13 @@ std::unique_ptr<BpfOrc> BpfOrc::Create()
// return unique_ptrs // return unique_ptrs
auto DL = cantFail(JTMB.getDefaultDataLayoutForTarget()); auto DL = cantFail(JTMB.getDefaultDataLayoutForTarget());
auto TM = cantFail(JTMB.createTargetMachine()); auto TM = cantFail(JTMB.createTargetMachine());
@ -128,5 +125,5 @@ index 209e08e5..104213b0 100644
void BpfOrc::compile(std::unique_ptr<Module> M) void BpfOrc::compile(std::unique_ptr<Module> M)
-- --
2.31.1 2.35.3

285
SOURCES/bpftrace-0.13.1-tools-Make-tools-rely-on-BTF-instead-of-header-files.patch Normal file
View File

@ -0,0 +1,285 @@
From 9c9ac55573ac33abbbbad256eda08dafba18bf9f Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com>
Date: Thu, 29 Apr 2021 12:03:28 +0200
Subject: [PATCH 9/9] tools: Make tools rely on BTF instead of header files.
Many distribution already ship BTF and this is more robust that
parsing header files.
Fixes #1820
---
docs/reference_guide.md | 3 ++-
src/clang_parser.cpp | 4 ++++
tools/biosnoop.bt | 5 ++++-
tools/dcsnoop.bt | 2 ++
tools/mdflush.bt | 2 ++
tools/naptime.bt | 2 ++
tools/oomkill.bt | 2 ++
tools/runqlen.bt | 6 ++++--
tools/tcpaccept.bt | 4 ++++
tools/tcpconnect.bt | 4 ++++
tools/tcpdrop.bt | 4 ++++
tools/tcplife.bt | 4 ++++
tools/tcpretrans.bt | 4 ++++
tools/tcpsynbl.bt | 2 ++
14 files changed, 44 insertions(+), 4 deletions(-)
diff --git a/docs/reference_guide.md b/docs/reference_guide.md
index 69a8ed22..11a685de 100644
--- a/docs/reference_guide.md
+++ b/docs/reference_guide.md
@@ -3455,7 +3455,8 @@ Attaching 1 probe...
# BTF Support
If kernel has BTF, kernel types are automatically available and there is no need to include additional headers
-to use them.
+to use them. To allow users to detect this situation in scripts, the preprocessor macro `BPFTRACE_HAVE_BTF`
+is defined if BTF is detected. See tools/ for examples of its usage.
Requirements for using BTF:
diff --git a/src/clang_parser.cpp b/src/clang_parser.cpp
index 20269a71..7fb39949 100644
--- a/src/clang_parser.cpp
+++ b/src/clang_parser.cpp
@@ -747,6 +747,9 @@ bool ClangParser::parse(ast::Program *program, BPFtrace &bpftrace, std::vector<s
// Since we're omitting <linux/types.h> there's no reason to
// add the wokarounds for it
args.push_back("-D__CLANG_WORKAROUNDS_H");
+ // Let script know we have BTF -- this is useful for prewritten tools to
+ // conditionally include headers if BTF isn't available.
+ args.push_back("-DBPFTRACE_HAVE_BTF");
if (handler.parse_file("definitions.h", input, args, input_files, false) &&
handler.has_redefinition_error())
@@ -779,6 +782,7 @@ bool ClangParser::parse(ast::Program *program, BPFtrace &bpftrace, std::vector<s
// taken from BTF. We cannot use BTF in such a case.
args.pop_back();
args.pop_back();
+ args.pop_back();
input_files.back() = get_empty_btf_generated_header();
}
diff --git a/tools/biosnoop.bt b/tools/biosnoop.bt
index aa88f4ba..33ad75de 100755
--- a/tools/biosnoop.bt
+++ b/tools/biosnoop.bt
@@ -1,5 +1,4 @@
#!/usr/bin/env bpftrace
-#include <linux/blkdev.h>
/*
* biosnoop.bt Block I/O tracing tool, showing per I/O latency.
* For Linux, uses bpftrace, eBPF.
@@ -11,6 +10,10 @@
* 15-Nov-2017 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
+#include <linux/blkdev.h>
+#endif
+
BEGIN
{
printf("%-12s %-7s %-16s %-6s %7s\n", "TIME(ms)", "DISK", "COMM", "PID", "LAT(ms)");
diff --git a/tools/dcsnoop.bt b/tools/dcsnoop.bt
index 183f0fb5..e85ab1aa 100755
--- a/tools/dcsnoop.bt
+++ b/tools/dcsnoop.bt
@@ -15,6 +15,7 @@
* 08-Sep-2018 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/fs.h>
#include <linux/sched.h>
@@ -24,6 +25,7 @@ struct nameidata {
struct qstr last;
// [...]
};
+#endif
BEGIN
{
diff --git a/tools/mdflush.bt b/tools/mdflush.bt
index 541abba1..1db547f6 100755
--- a/tools/mdflush.bt
+++ b/tools/mdflush.bt
@@ -13,8 +13,10 @@
* 08-Sep-2018 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/genhd.h>
#include <linux/bio.h>
+#endif
BEGIN
{
diff --git a/tools/naptime.bt b/tools/naptime.bt
index eb96b677..a84652a3 100755
--- a/tools/naptime.bt
+++ b/tools/naptime.bt
@@ -13,8 +13,10 @@
* 16-Feb-2019 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/time.h>
#include <linux/sched.h>
+#endif
BEGIN
{
diff --git a/tools/oomkill.bt b/tools/oomkill.bt
index 6126682d..1c9b16a3 100755
--- a/tools/oomkill.bt
+++ b/tools/oomkill.bt
@@ -20,7 +20,9 @@
* 07-Sep-2018 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/oom.h>
+#endif
BEGIN
{
diff --git a/tools/runqlen.bt b/tools/runqlen.bt
index 02d82d74..1be42adc 100755
--- a/tools/runqlen.bt
+++ b/tools/runqlen.bt
@@ -11,17 +11,19 @@
* 07-Oct-2018 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/sched.h>
// Until BTF is available, we'll need to declare some of this struct manually,
// since it isn't available to be #included. This will need maintenance to match
// your kernel version. It is from kernel/sched/sched.h:
-struct cfs_rq_partial {
+struct cfs_rq {
struct load_weight load;
unsigned long runnable_weight;
unsigned int nr_running;
unsigned int h_nr_running;
};
+#endif
BEGIN
{
@@ -31,7 +33,7 @@ BEGIN
profile:hz:99
{
$task = (struct task_struct *)curtask;
- $my_q = (struct cfs_rq_partial *)$task->se.cfs_rq;
+ $my_q = (struct cfs_rq *)$task->se.cfs_rq;
$len = $my_q->nr_running;
$len = $len > 0 ? $len - 1 : 0; // subtract currently running task
@runqlen = lhist($len, 0, 100, 1);
diff --git a/tools/tcpaccept.bt b/tools/tcpaccept.bt
index b40a041b..2f4dfe1f 100755
--- a/tools/tcpaccept.bt
+++ b/tools/tcpaccept.bt
@@ -16,8 +16,12 @@
* 23-Nov-2018 Dale Hamel created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/socket.h>
#include <net/sock.h>
+#else
+#include <sys/socket.h>
+#endif
BEGIN
{
diff --git a/tools/tcpconnect.bt b/tools/tcpconnect.bt
index 4ae30d65..05c3ca0e 100755
--- a/tools/tcpconnect.bt
+++ b/tools/tcpconnect.bt
@@ -19,8 +19,12 @@
* 23-Nov-2018 Dale Hamel created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/socket.h>
#include <net/sock.h>
+#else
+#include <sys/socket.h>
+#endif
BEGIN
{
diff --git a/tools/tcpdrop.bt b/tools/tcpdrop.bt
index 79a86b08..2de3e507 100755
--- a/tools/tcpdrop.bt
+++ b/tools/tcpdrop.bt
@@ -17,8 +17,12 @@
* 23-Nov-2018 Dale Hamel created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/socket.h>
#include <net/sock.h>
+#else
+#include <sys/socket.h>
+#endif
BEGIN
{
diff --git a/tools/tcplife.bt b/tools/tcplife.bt
index 9c0d8814..a9a054bf 100755
--- a/tools/tcplife.bt
+++ b/tools/tcplife.bt
@@ -13,10 +13,14 @@
* 17-Apr-2019 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <net/tcp_states.h>
#include <net/sock.h>
#include <linux/socket.h>
#include <linux/tcp.h>
+#else
+#include <sys/socket.h>
+#endif
BEGIN
{
diff --git a/tools/tcpretrans.bt b/tools/tcpretrans.bt
index 8b9500c0..777d78fa 100755
--- a/tools/tcpretrans.bt
+++ b/tools/tcpretrans.bt
@@ -17,8 +17,12 @@
* 23-Nov-2018 Dale Hamel created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/socket.h>
#include <net/sock.h>
+#else
+#include <sys/socket.h>
+#endif
BEGIN
{
diff --git a/tools/tcpsynbl.bt b/tools/tcpsynbl.bt
index 4b3c99c3..0570f29c 100755
--- a/tools/tcpsynbl.bt
+++ b/tools/tcpsynbl.bt
@@ -13,7 +13,9 @@
* 19-Apr-2019 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <net/sock.h>
+#endif
BEGIN
{
--
2.35.3

18
SPECS/bpftrace.spec
View File

@ -1,6 +1,6 @@
Name: bpftrace Name: bpftrace
Version: 0.12.1 Version: 0.13.1
Release: 8%{?dist} Release: 1%{?dist}
Summary: High-level tracing language for Linux eBPF Summary: High-level tracing language for Linux eBPF
License: ASL 2.0 License: ASL 2.0
@ -9,10 +9,14 @@ Source0: %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
Patch0: %{name}-%{version}-RHEL-9-fixes.patch Patch0: %{name}-%{version}-RHEL-9-fixes.patch
Patch1: %{name}-%{version}-Fix-mdflush.patch Patch1: %{name}-%{version}-Fix-mdflush.patch
Patch2: %{name}-%{version}-orc-Fix-build-with-clang-13.patch Patch2: %{name}-%{version}-orc-Fix-build-with-clang-13.patch
Patch3: %{name}-%{version}-Fix-single-arg-wildcard-listings.patch Patch3: %{name}-%{version}-Update-bio-tools-to-work-on-kernel-5.16.patch
Patch4: %{name}-%{version}-Update-bio-tools-to-work-on-RHEL9.patch Patch4: %{name}-%{version}-tools-Make-tools-rely-on-BTF-instead-of-header-files.patch
Patch5: %{name}-%{version}-Fix-libbtf-0.6.0-build.patch
Patch6: %{name}-%{version}-Fix-compile-under-llvm14-trunk.patch
Patch7: %{name}-%{version}-Fix-LLVM-13-warnings.patch
Patch8: %{name}-%{version}-biosnoop.bt-handle-Linux-5.17-block-layer-update.patch
Patch10: %{name}-%{version}-aarch64-fixes-statsnoop-and-opensnoop.patch Patch10: %{name}-%{version}-RHEL-aarch64-fixes-statsnoop-and-opensnoop.patch
# Arches will be included as upstream support is added and dependencies are # Arches will be included as upstream support is added and dependencies are
# satisfied in the respective arches # satisfied in the respective arches
@ -85,6 +89,10 @@ find %{buildroot}%{_datadir}/%{name}/tools -type f -exec \
%{_datadir}/%{name}/tools/doc/*.txt %{_datadir}/%{name}/tools/doc/*.txt
%changelog %changelog
* Mon May 16 2022 Jerome Marchand <jmarchan@redhat.com> - 0.13.1-1
- Rebase to bpftrace 0.13.1
- Rebuild for LLVM14
* Mon Feb 21 2022 Viktor Malik <vmalik@redhat.com> - 0.12.1-8 * Mon Feb 21 2022 Viktor Malik <vmalik@redhat.com> - 0.12.1-8
- Fix wildcard listing bug - Fix wildcard listing bug
- Fix bio* tools - Fix bio* tools