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-rw-r--r--simpleperf/record.h136
1 files changed, 46 insertions, 90 deletions
diff --git a/simpleperf/record.h b/simpleperf/record.h
index 325f6011..0ba8d4aa 100644
--- a/simpleperf/record.h
+++ b/simpleperf/record.h
@@ -103,13 +103,6 @@ struct PerfSamplePeriodType {
uint64_t period;
};
-struct PerfSampleReadType {
- uint64_t time_enabled = 0;
- uint64_t time_running = 0;
- std::vector<uint64_t> counts;
- std::vector<uint64_t> ids;
-};
-
struct PerfSampleCallChainType {
uint64_t ip_nr;
uint64_t* ips;
@@ -204,7 +197,7 @@ struct SampleId {
size_t CreateContent(const perf_event_attr& attr, uint64_t event_id);
// Parse sample_id from binary format in the buffer pointed by p.
- bool ReadFromBinaryFormat(const perf_event_attr& attr, const char* p, const char* end);
+ void ReadFromBinaryFormat(const perf_event_attr& attr, const char* p, const char* end);
// Write the binary format of sample_id to the buffer pointed by p.
void WriteToBinaryFormat(char*& p) const;
@@ -224,6 +217,7 @@ struct Record {
SampleId sample_id;
Record() : binary_(nullptr), own_binary_(false) {}
+ explicit Record(char* p) : header(p), binary_(p), own_binary_(false) {}
Record(Record&& other) noexcept;
virtual ~Record() {
@@ -232,8 +226,6 @@ struct Record {
}
}
- virtual bool Parse(const perf_event_attr& attr, char* p, char* end) = 0;
-
void OwnBinary() { own_binary_ = true; }
uint32_t type() const { return header.type; }
@@ -266,7 +258,6 @@ struct Record {
virtual uint64_t Id() const;
protected:
- bool ParseHeader(char*& p, char*& end);
void UpdateBinary(char* new_binary);
virtual void DumpData(size_t) const = 0;
@@ -286,12 +277,12 @@ struct MmapRecord : public Record {
const MmapRecordDataType* data;
const char* filename;
- MmapRecord() {}
+ MmapRecord(const perf_event_attr& attr, char* p);
+
MmapRecord(const perf_event_attr& attr, bool in_kernel, uint32_t pid, uint32_t tid, uint64_t addr,
uint64_t len, uint64_t pgoff, const std::string& filename, uint64_t event_id,
uint64_t time = 0);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
void SetDataAndFilename(const MmapRecordDataType& data, const std::string& filename);
protected:
@@ -313,12 +304,11 @@ struct Mmap2Record : public Record {
const Mmap2RecordDataType* data;
const char* filename;
- Mmap2Record() {}
+ Mmap2Record(const perf_event_attr& attr, char* p);
Mmap2Record(const perf_event_attr& attr, bool in_kernel, uint32_t pid, uint32_t tid,
uint64_t addr, uint64_t len, uint64_t pgoff, uint32_t prot,
const std::string& filename, uint64_t event_id, uint64_t time = 0);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
void SetDataAndFilename(const Mmap2RecordDataType& data, const std::string& filename);
protected:
@@ -332,11 +322,11 @@ struct CommRecord : public Record {
const CommRecordDataType* data;
const char* comm;
- CommRecord() {}
+ CommRecord(const perf_event_attr& attr, char* p);
+
CommRecord(const perf_event_attr& attr, uint32_t pid, uint32_t tid, const std::string& comm,
uint64_t event_id, uint64_t time);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
void SetCommandName(const std::string& name);
protected:
@@ -351,17 +341,21 @@ struct ExitOrForkRecord : public Record {
};
const ExitOrForkRecordDataType* data;
+ ExitOrForkRecord(const perf_event_attr& attr, char* p);
+
ExitOrForkRecord() : data(nullptr) {}
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
};
-struct ExitRecord : public ExitOrForkRecord {};
+struct ExitRecord : public ExitOrForkRecord {
+ ExitRecord(const perf_event_attr& attr, char* p) : ExitOrForkRecord(attr, p) {}
+};
struct ForkRecord : public ExitOrForkRecord {
- ForkRecord() {}
+ ForkRecord(const perf_event_attr& attr, char* p) : ExitOrForkRecord(attr, p) {}
+
ForkRecord(const perf_event_attr& attr, uint32_t pid, uint32_t tid, uint32_t ppid, uint32_t ptid,
uint64_t event_id);
};
@@ -370,7 +364,7 @@ struct LostRecord : public Record {
uint64_t id;
uint64_t lost;
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
+ LostRecord(const perf_event_attr& attr, char* p);
protected:
void DumpData(size_t indent) const override;
@@ -379,7 +373,6 @@ struct LostRecord : public Record {
struct SampleRecord : public Record {
uint64_t sample_type; // sample_type is a bit mask determining which fields
// below are valid.
- uint64_t read_format;
PerfSampleIpType ip_data; // Valid if PERF_SAMPLE_IP.
PerfSampleTidType tid_data; // Valid if PERF_SAMPLE_TID.
@@ -389,7 +382,6 @@ struct SampleRecord : public Record {
PerfSampleStreamIdType stream_id_data; // Valid if PERF_SAMPLE_STREAM_ID.
PerfSampleCpuType cpu_data; // Valid if PERF_SAMPLE_CPU.
PerfSamplePeriodType period_data; // Valid if PERF_SAMPLE_PERIOD.
- PerfSampleReadType read_data; // Valid if PERF_SAMPLE_READ.
PerfSampleCallChainType callchain_data; // Valid if PERF_SAMPLE_CALLCHAIN.
PerfSampleRawType raw_data; // Valid if PERF_SAMPLE_RAW.
@@ -397,13 +389,11 @@ struct SampleRecord : public Record {
PerfSampleRegsUserType regs_user_data; // Valid if PERF_SAMPLE_REGS_USER.
PerfSampleStackUserType stack_user_data; // Valid if PERF_SAMPLE_STACK_USER.
- SampleRecord() {}
+ SampleRecord(const perf_event_attr& attr, char* p);
SampleRecord(const perf_event_attr& attr, uint64_t id, uint64_t ip, uint32_t pid, uint32_t tid,
- uint64_t time, uint32_t cpu, uint64_t period, const PerfSampleReadType& read_data,
- const std::vector<uint64_t>& ips, const std::vector<char>& stack,
- uint64_t dyn_stack_size);
+ uint64_t time, uint32_t cpu, uint64_t period, const std::vector<uint64_t>& ips,
+ const std::vector<char>& stack, uint64_t dyn_stack_size);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
void ReplaceRegAndStackWithCallChain(const std::vector<uint64_t>& ips);
// Remove kernel callchain, return true if there is a user space callchain left, otherwise
// return false.
@@ -435,24 +425,7 @@ struct AuxRecord : public Record {
uint64_t flags;
} * data;
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
- bool Unformatted() const { return data->flags & PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW; }
-
- protected:
- void DumpData(size_t indent) const override;
-};
-
-struct SwitchRecord : public Record {
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
-
- protected:
- void DumpData(size_t) const override {}
-};
-
-struct SwitchCpuWideRecord : public Record {
- PerfSampleTidType tid_data;
-
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
+ AuxRecord(const perf_event_attr& attr, char* p);
protected:
void DumpData(size_t indent) const override;
@@ -465,9 +438,9 @@ struct BuildIdRecord : public Record {
BuildId build_id;
const char* filename;
- BuildIdRecord() {}
+ explicit BuildIdRecord(char* p);
+
BuildIdRecord(bool in_kernel, uint32_t pid, const BuildId& build_id, const std::string& filename);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -475,27 +448,12 @@ struct BuildIdRecord : public Record {
struct AuxTraceInfoRecord : public Record {
// magic values to be compatible with linux perf
- static constexpr uint32_t AUX_TYPE_ETM = 3;
- static constexpr uint64_t MAGIC_ETM4 = 0x4040404040404040ULL;
- static constexpr uint64_t MAGIC_ETE = 0x5050505050505050ULL;
+ static const uint32_t AUX_TYPE_ETM = 3;
+ static const uint64_t MAGIC_ETM4 = 0x4040404040404040ULL;
struct ETM4Info {
uint64_t magic;
uint64_t cpu;
- uint64_t nrtrcparams;
- uint64_t trcconfigr;
- uint64_t trctraceidr;
- uint64_t trcidr0;
- uint64_t trcidr1;
- uint64_t trcidr2;
- uint64_t trcidr8;
- uint64_t trcauthstatus;
- };
-
- struct ETEInfo {
- uint64_t magic;
- uint64_t cpu;
- uint64_t nrtrcparams;
uint64_t trcconfigr;
uint64_t trctraceidr;
uint64_t trcidr0;
@@ -503,7 +461,6 @@ struct AuxTraceInfoRecord : public Record {
uint64_t trcidr2;
uint64_t trcidr8;
uint64_t trcauthstatus;
- uint64_t trcdevarch;
};
struct DataType {
@@ -513,12 +470,11 @@ struct AuxTraceInfoRecord : public Record {
uint32_t nr_cpu;
uint32_t pmu_type;
uint64_t snapshot;
- uint64_t info[0];
+ ETM4Info etm4_info[0];
} * data;
- AuxTraceInfoRecord() {}
- AuxTraceInfoRecord(const DataType& data, const std::vector<ETEInfo>& ete_info);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
+ explicit AuxTraceInfoRecord(char* p);
+ AuxTraceInfoRecord(const DataType& data, const std::vector<ETM4Info>& etm4_info);
protected:
void DumpData(size_t indent) const override;
@@ -541,10 +497,9 @@ struct AuxTraceRecord : public Record {
uint64_t file_offset = 0;
} location;
- AuxTraceRecord() {}
+ explicit AuxTraceRecord(char* p);
AuxTraceRecord(uint64_t aux_size, uint64_t offset, uint32_t idx, uint32_t tid, uint32_t cpu);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
static size_t Size() { return sizeof(perf_event_header) + sizeof(DataType); }
protected:
@@ -555,9 +510,9 @@ struct KernelSymbolRecord : public Record {
uint32_t kallsyms_size;
const char* kallsyms;
- KernelSymbolRecord() {}
+ explicit KernelSymbolRecord(char* p);
+
explicit KernelSymbolRecord(const std::string& kallsyms);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -569,9 +524,9 @@ struct DsoRecord : public Record {
uint64_t min_vaddr;
const char* dso_name;
- DsoRecord() {}
+ explicit DsoRecord(char* p);
+
DsoRecord(uint64_t dso_type, uint64_t dso_id, const std::string& dso_name, uint64_t min_vaddr);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -583,9 +538,9 @@ struct SymbolRecord : public Record {
uint64_t dso_id;
const char* name;
- SymbolRecord() {}
+ explicit SymbolRecord(char* p);
+
SymbolRecord(uint64_t addr, uint64_t len, const std::string& name, uint64_t dso_id);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -595,9 +550,9 @@ struct TracingDataRecord : public Record {
uint32_t data_size;
const char* data;
- TracingDataRecord() {}
+ explicit TracingDataRecord(char* p);
+
explicit TracingDataRecord(const std::vector<char>& tracing_data);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -610,9 +565,9 @@ struct EventIdRecord : public Record {
uint64_t event_id;
} const* data;
- EventIdRecord() {}
+ explicit EventIdRecord(char* p);
+
explicit EventIdRecord(const std::vector<uint64_t>& data);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
protected:
void DumpData(size_t indent) const override;
@@ -627,12 +582,11 @@ struct CallChainRecord : public Record {
uint64_t* ips;
uint64_t* sps;
- CallChainRecord() {}
+ explicit CallChainRecord(char* p);
CallChainRecord(pid_t pid, pid_t tid, simpleperf::CallChainJoiner::ChainType type, uint64_t time,
const std::vector<uint64_t>& ips, const std::vector<uint64_t>& sps);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
uint64_t Timestamp() const override { return time; }
protected:
@@ -651,14 +605,13 @@ struct UnwindingResultRecord : public Record {
uint64_t* sps = nullptr;
} callchain;
- UnwindingResultRecord() {}
+ explicit UnwindingResultRecord(char* p);
UnwindingResultRecord(uint64_t time, const simpleperf::UnwindingResult& unwinding_result,
const PerfSampleRegsUserType& regs_user_data,
const PerfSampleStackUserType& stack_user_data,
const std::vector<uint64_t>& ips, const std::vector<uint64_t>& sps);
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
uint64_t Timestamp() const override { return time; }
protected:
@@ -670,7 +623,7 @@ struct UnwindingResultRecord : public Record {
struct UnknownRecord : public Record {
const char* data;
- bool Parse(const perf_event_attr& attr, char* p, char* end) override;
+ explicit UnknownRecord(char* p);
protected:
void DumpData(size_t indent) const override;
@@ -678,8 +631,11 @@ struct UnknownRecord : public Record {
// Read record from the buffer pointed by [p]. But the record doesn't own
// the buffer.
-std::unique_ptr<Record> ReadRecordFromBuffer(const perf_event_attr& attr, uint32_t type, char* p,
- char* end);
+std::unique_ptr<Record> ReadRecordFromBuffer(const perf_event_attr& attr, uint32_t type, char* p);
+
+// Read record from the buffer pointed by [p]. And the record owns the buffer.
+std::unique_ptr<Record> ReadRecordFromOwnedBuffer(const perf_event_attr& attr, uint32_t type,
+ char* p);
// Read records from the buffer pointed by [buf]. None of the records own
// the buffer.
@@ -688,7 +644,7 @@ std::vector<std::unique_ptr<Record>> ReadRecordsFromBuffer(const perf_event_attr
// Read one record from the buffer pointed by [p]. But the record doesn't
// own the buffer.
-std::unique_ptr<Record> ReadRecordFromBuffer(const perf_event_attr& attr, char* p, char* end);
+std::unique_ptr<Record> ReadRecordFromBuffer(const perf_event_attr& attr, char* p);
} // namespace simpleperf
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 07:39:25 +0000