| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "src/trace_processor/proto_trace_parser.h" |
| |
| #include <string.h> |
| |
| #include <string> |
| |
| #include "perfetto/base/logging.h" |
| #include "perfetto/base/string_view.h" |
| #include "perfetto/base/utils.h" |
| #include "perfetto/protozero/proto_decoder.h" |
| #include "perfetto/traced/sys_stats_counters.h" |
| #include "src/trace_processor/event_tracker.h" |
| #include "src/trace_processor/process_tracker.h" |
| #include "src/trace_processor/slice_tracker.h" |
| #include "src/trace_processor/trace_processor_context.h" |
| |
| #include "perfetto/trace/trace.pb.h" |
| #include "perfetto/trace/trace_packet.pb.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| |
| // We have to handle trace_marker events of a few different types: |
| // 1. some random text |
| // 2. B|1636|pokeUserActivity |
| // 3. E|1636 |
| // 4. C|1636|wq:monitor|0 |
| bool ParseSystraceTracePoint(base::StringView str, SystraceTracePoint* out) { |
| // THIS char* IS NOT NULL TERMINATED. |
| const char* s = str.data(); |
| size_t len = str.size(); |
| |
| // If str matches '[BEC]\|[0-9]+[\|\n]' set tid_length to the length of |
| // the number. Otherwise return false. |
| if (s[1] != '|' && s[1] != '\n') |
| return false; |
| if (s[0] != 'B' && s[0] != 'E' && s[0] != 'C') |
| return false; |
| size_t tid_length = 0; |
| for (size_t i = 2; i < len; i++) { |
| if (s[i] == '|' || s[i] == '\n') { |
| tid_length = i - 2; |
| break; |
| } |
| if (s[i] < '0' || s[i] > '9') |
| return false; |
| } |
| |
| if (tid_length == 0) { |
| out->tid = 0; |
| } else { |
| std::string tid_str(s + 2, tid_length); |
| out->tid = static_cast<uint32_t>(std::stoi(tid_str.c_str())); |
| } |
| |
| out->phase = s[0]; |
| switch (s[0]) { |
| case 'B': { |
| size_t name_index = 2 + tid_length + 1; |
| out->name = base::StringView(s + name_index, len - name_index); |
| return true; |
| } |
| case 'E': { |
| return true; |
| } |
| case 'C': { |
| size_t name_index = 2 + tid_length + 1; |
| size_t name_length = 0; |
| for (size_t i = name_index; i < len; i++) { |
| if (s[i] == '|' || s[i] == '\n') { |
| name_length = i - name_index; |
| break; |
| } |
| } |
| out->name = base::StringView(s + name_index, name_length); |
| size_t value_index = name_index + name_length + 1; |
| char value_str[32]; |
| strcpy(value_str, s + value_index); |
| out->value = std::stod(value_str); |
| return true; |
| } |
| default: |
| return false; |
| } |
| } |
| |
| using protozero::ProtoDecoder; |
| using protozero::proto_utils::kFieldTypeLengthDelimited; |
| |
| ProtoTraceParser::ProtoTraceParser(TraceProcessorContext* context) |
| : context_(context), |
| utid_name_id_(context->storage->InternString("utid")), |
| cpu_freq_name_id_(context->storage->InternString("cpufreq")), |
| cpu_idle_name_id_(context->storage->InternString("cpuidle")), |
| num_forks_name_id_(context->storage->InternString("num_forks")), |
| num_irq_total_name_id_(context->storage->InternString("num_irq_total")), |
| num_softirq_total_name_id_( |
| context->storage->InternString("num_softirq_total")), |
| num_irq_name_id_(context->storage->InternString("num_irq")), |
| num_softirq_name_id_(context->storage->InternString("num_softirq")), |
| cpu_times_user_ns_id_( |
| context->storage->InternString("cpu.times.user_ns")), |
| cpu_times_user_ice_ns_id_( |
| context->storage->InternString("cpu.times.user_ice_ns")), |
| cpu_times_system_mode_ns_id_( |
| context->storage->InternString("cpu.times.system_mode_ns")), |
| cpu_times_idle_ns_id_( |
| context->storage->InternString("cpu.times.idle_ns")), |
| cpu_times_io_wait_ns_id_( |
| context->storage->InternString("cpu.times.io_wait_ns")), |
| cpu_times_irq_ns_id_(context->storage->InternString("cpu.times.irq_ns")), |
| cpu_times_softirq_ns_id_( |
| context->storage->InternString("cpu.times.softirq_ns")), |
| ion_heap_grow_id_(context->storage->InternString("ion_heap_grow")), |
| ion_heap_shrink_id_(context->storage->InternString("ion_heap_shrink")), |
| signal_deliver_id_(context->storage->InternString("signal_deliver")), |
| signal_generate_id_(context->storage->InternString("signal_generate")) { |
| for (const auto& name : BuildMeminfoCounterNames()) { |
| meminfo_strs_id_.emplace_back(context->storage->InternString(name)); |
| } |
| for (const auto& name : BuildVmstatCounterNames()) { |
| vmstat_strs_id_.emplace_back(context->storage->InternString(name)); |
| } |
| rss_members_.emplace_back( |
| context->storage->InternString("rss_stat.mm_filepages")); |
| rss_members_.emplace_back( |
| context->storage->InternString("rss_stat.mm_anonpages")); |
| rss_members_.emplace_back( |
| context->storage->InternString("rss_stat.mm_swapents")); |
| rss_members_.emplace_back( |
| context->storage->InternString("rss_stat.nr_mm_counters")); |
| |
| using MemCounters = protos::ProcessStats::MemCounters; |
| proc_mem_counter_names_[MemCounters::kVmSizeKbFieldNumber] = |
| context->storage->InternString("mem.virt"); |
| proc_mem_counter_names_[MemCounters::kVmRssKbFieldNumber] = |
| context->storage->InternString("mem.rss"); |
| proc_mem_counter_names_[MemCounters::kRssAnonKbFieldNumber] = |
| context->storage->InternString("mem.rss.anon"); |
| proc_mem_counter_names_[MemCounters::kRssFileKbFieldNumber] = |
| context->storage->InternString("mem.rss.file"); |
| proc_mem_counter_names_[MemCounters::kRssShmemKbFieldNumber] = |
| context->storage->InternString("mem.rss.shmem"); |
| proc_mem_counter_names_[MemCounters::kVmSwapKbFieldNumber] = |
| context->storage->InternString("mem.swap"); |
| proc_mem_counter_names_[MemCounters::kVmLockedKbFieldNumber] = |
| context->storage->InternString("mem.locked"); |
| proc_mem_counter_names_[MemCounters::kVmHwmKbFieldNumber] = |
| context->storage->InternString("mem.rss.watermark"); |
| } |
| |
| ProtoTraceParser::~ProtoTraceParser() = default; |
| |
| void ProtoTraceParser::ParseTracePacket(uint64_t ts, TraceBlobView packet) { |
| ProtoDecoder decoder(packet.data(), packet.length()); |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::TracePacket::kProcessTreeFieldNumber: { |
| const size_t fld_off = packet.offset_of(fld.data()); |
| ParseProcessTree(packet.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::TracePacket::kProcessStatsFieldNumber: { |
| const size_t fld_off = packet.offset_of(fld.data()); |
| ParseProcessStats(ts, packet.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::TracePacket::kSysStatsFieldNumber: { |
| const size_t fld_off = packet.offset_of(fld.data()); |
| ParseSysStats(ts, packet.slice(fld_off, fld.size())); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseSysStats(uint64_t ts, TraceBlobView stats) { |
| ProtoDecoder decoder(stats.data(), stats.length()); |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SysStats::kMeminfoFieldNumber: { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| ParseMemInfo(ts, stats.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::SysStats::kVmstatFieldNumber: { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| ParseVmStat(ts, stats.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::SysStats::kCpuStatFieldNumber: { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| ParseCpuTimes(ts, stats.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::SysStats::kNumIrqFieldNumber: { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| ParseIrqCount(ts, stats.slice(fld_off, fld.size()), |
| /*is_softirq=*/false); |
| break; |
| } |
| case protos::SysStats::kNumSoftirqFieldNumber: { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| ParseIrqCount(ts, stats.slice(fld_off, fld.size()), |
| /*is_softirq=*/true); |
| break; |
| } |
| case protos::SysStats::kNumForksFieldNumber: { |
| context_->event_tracker->PushCounter( |
| ts, fld.as_uint32(), num_forks_name_id_, 0, RefType::kRefNoRef); |
| break; |
| } |
| case protos::SysStats::kNumIrqTotalFieldNumber: { |
| context_->event_tracker->PushCounter( |
| ts, fld.as_uint32(), num_irq_total_name_id_, 0, RefType::kRefNoRef); |
| break; |
| } |
| case protos::SysStats::kNumSoftirqTotalFieldNumber: { |
| context_->event_tracker->PushCounter(ts, fld.as_uint32(), |
| num_softirq_total_name_id_, 0, |
| RefType::kRefNoRef); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| } |
| void ProtoTraceParser::ParseIrqCount(uint64_t ts, |
| TraceBlobView irq, |
| bool is_soft) { |
| ProtoDecoder decoder(irq.data(), irq.length()); |
| uint32_t key = 0; |
| uint32_t value = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SysStats::InterruptCount::kIrqFieldNumber: |
| key = fld.as_uint32(); |
| break; |
| case protos::SysStats::InterruptCount::kCountFieldNumber: |
| value = fld.as_uint32(); |
| break; |
| } |
| } |
| RefType ref_type = is_soft ? RefType::kRefIrq : RefType::kRefSoftIrq; |
| StringId name_id = is_soft ? num_irq_name_id_ : num_softirq_name_id_; |
| context_->event_tracker->PushCounter(ts, value, name_id, key, ref_type); |
| } |
| |
| void ProtoTraceParser::ParseMemInfo(uint64_t ts, TraceBlobView mem) { |
| ProtoDecoder decoder(mem.data(), mem.length()); |
| uint32_t key = 0; |
| uint32_t value = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SysStats::MeminfoValue::kKeyFieldNumber: |
| key = fld.as_uint32(); |
| break; |
| case protos::SysStats::MeminfoValue::kValueFieldNumber: |
| value = fld.as_uint32(); |
| break; |
| } |
| } |
| if (PERFETTO_UNLIKELY(key >= meminfo_strs_id_.size())) { |
| PERFETTO_ELOG("MemInfo key %d is not recognized.", key); |
| return; |
| } |
| context_->event_tracker->PushCounter(ts, value, meminfo_strs_id_[key], 0, |
| RefType::kRefNoRef); |
| } |
| |
| void ProtoTraceParser::ParseVmStat(uint64_t ts, TraceBlobView stat) { |
| ProtoDecoder decoder(stat.data(), stat.length()); |
| uint32_t key = 0; |
| uint32_t value = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SysStats::VmstatValue::kKeyFieldNumber: |
| key = fld.as_uint32(); |
| break; |
| case protos::SysStats::VmstatValue::kValueFieldNumber: |
| value = fld.as_uint32(); |
| break; |
| } |
| } |
| if (PERFETTO_UNLIKELY(key >= vmstat_strs_id_.size())) { |
| PERFETTO_ELOG("VmStat key %d is not recognized.", key); |
| return; |
| } |
| context_->event_tracker->PushCounter(ts, value, vmstat_strs_id_[key], 0, |
| RefType::kRefNoRef); |
| } |
| |
| void ProtoTraceParser::ParseCpuTimes(uint64_t ts, TraceBlobView cpu_times) { |
| ProtoDecoder decoder(cpu_times.data(), cpu_times.length()); |
| uint64_t cpu = 0; |
| uint32_t value = 0; |
| // Speculate on CPU being first. |
| constexpr auto kCpuFieldTag = protozero::proto_utils::MakeTagVarInt( |
| protos::SysStats::CpuTimes::kCpuIdFieldNumber); |
| if (cpu_times.length() > 2 && cpu_times.data()[0] == kCpuFieldTag && |
| cpu_times.data()[1] < 0x80) { |
| cpu = cpu_times.data()[1]; |
| } else { |
| if (!PERFETTO_LIKELY(( |
| decoder.FindIntField<protos::SysStats::CpuTimes::kCpuIdFieldNumber>( |
| &cpu)))) { |
| PERFETTO_ELOG("CPU field not found in CpuTimes"); |
| return; |
| } |
| } |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SysStats::CpuTimes::kUserNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter(ts, value, cpu_times_user_ns_id_, |
| cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kUserIceNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter( |
| ts, value, cpu_times_user_ice_ns_id_, cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kSystemModeNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter( |
| ts, value, cpu_times_system_mode_ns_id_, cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kIdleNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter(ts, value, cpu_times_idle_ns_id_, |
| cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kIoWaitNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter( |
| ts, value, cpu_times_io_wait_ns_id_, cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kIrqNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter(ts, value, cpu_times_irq_ns_id_, |
| cpu, RefType::kRefCpuId); |
| break; |
| } |
| case protos::SysStats::CpuTimes::kSoftirqNsFieldNumber: { |
| value = fld.as_uint32(); |
| context_->event_tracker->PushCounter( |
| ts, value, cpu_times_softirq_ns_id_, cpu, RefType::kRefCpuId); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| } |
| |
| void ProtoTraceParser::ParseProcessTree(TraceBlobView pstree) { |
| ProtoDecoder decoder(pstree.data(), pstree.length()); |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| const size_t fld_off = pstree.offset_of(fld.data()); |
| switch (fld.id) { |
| case protos::ProcessTree::kProcessesFieldNumber: { |
| ParseProcess(pstree.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::ProcessTree::kThreadsFieldNumber: { |
| ParseThread(pstree.slice(fld_off, fld.size())); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseProcessStats(uint64_t ts, TraceBlobView stats) { |
| ProtoDecoder decoder(stats.data(), stats.length()); |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| const size_t fld_off = stats.offset_of(fld.data()); |
| switch (fld.id) { |
| case protos::ProcessStats::kMemCountersFieldNumber: { |
| ParseProcMemCounters(ts, stats.slice(fld_off, fld.size())); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseProcMemCounters(uint64_t ts, |
| TraceBlobView proc_stat) { |
| ProtoDecoder decoder(proc_stat.data(), proc_stat.length()); |
| uint32_t pid = 0; |
| // Maps a process counter field it to its value. |
| // E.g., 4 := 1024 -> "mem.rss.anon" := 1024. |
| std::array<uint64_t, kProcMemCounterSize> counter_values{}; |
| std::array<uint8_t, kProcMemCounterSize> has_counter{}; |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::ProcessStats::MemCounters::kPidFieldNumber: |
| pid = fld.as_uint32(); |
| break; |
| default: |
| if (fld.id < counter_values.size()) { |
| // Memory counters are in KB, keep values in bytes in the trace |
| // processor. |
| counter_values[fld.id] = fld.as_uint64() * 1024; |
| has_counter[fld.id] = 1; |
| } else { |
| PERFETTO_ELOG("Skipping unknown process counters %" PRIu32, fld.id); |
| } |
| } |
| } |
| |
| UniqueTid utid = context_->process_tracker->UpdateThread(ts, pid, 0); |
| |
| // Skip field_id 0 (invalid) and 1 (pid). |
| for (size_t field_id = 2; field_id < counter_values.size(); field_id++) { |
| if (!has_counter[field_id]) |
| continue; |
| |
| // Lookup the interned string id from the field name using the |
| // pre-cached |proc_mem_counter_names_| map. |
| StringId name = proc_mem_counter_names_[field_id]; |
| uint64_t value = counter_values[field_id]; |
| auto row_id = context_->event_tracker->PushCounter( |
| ts, value, name, utid, RefType::kRefUtidLookupUpid); |
| context_->storage->mutable_args()->AddArg(row_id, utid_name_id_, |
| utid_name_id_, utid); |
| } |
| |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseThread(TraceBlobView thread) { |
| ProtoDecoder decoder(thread.data(), thread.length()); |
| uint32_t tid = 0; |
| uint32_t tgid = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::ProcessTree::Thread::kTidFieldNumber: |
| tid = fld.as_uint32(); |
| break; |
| case protos::ProcessTree::Thread::kTgidFieldNumber: |
| tgid = fld.as_uint32(); |
| break; |
| default: |
| break; |
| } |
| } |
| context_->process_tracker->UpdateThread(tid, tgid); |
| |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseProcess(TraceBlobView process) { |
| ProtoDecoder decoder(process.data(), process.length()); |
| |
| uint32_t pid = 0; |
| base::StringView process_name; |
| |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::ProcessTree::Process::kPidFieldNumber: |
| pid = fld.as_uint32(); |
| break; |
| case protos::ProcessTree::Process::kCmdlineFieldNumber: |
| if (process_name.empty()) |
| process_name = fld.as_string(); |
| break; |
| default: |
| break; |
| } |
| } |
| context_->process_tracker->UpdateProcess(pid, process_name); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseFtracePacket(uint32_t cpu, |
| uint64_t timestamp, |
| TraceBlobView ftrace) { |
| ProtoDecoder decoder(ftrace.data(), ftrace.length()); |
| uint32_t pid = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::FtraceEvent::kPidFieldNumber: { |
| pid = fld.as_uint32(); |
| break; |
| } |
| case protos::FtraceEvent::kSchedSwitchFieldNumber: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseSchedSwitch(cpu, timestamp, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kCpuFrequency: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseCpuFreq(timestamp, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kCpuIdle: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseCpuIdle(timestamp, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kPrintFieldNumber: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParsePrint(cpu, timestamp, pid, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kRssStatFieldNumber: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseRssStat(timestamp, pid, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kIonHeapGrow: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseIonHeapGrow(timestamp, pid, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kIonHeapShrink: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseIonHeapShrink(timestamp, pid, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kSignalGenerate: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseSignalGenerate(timestamp, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| case protos::FtraceEvent::kSignalDeliver: { |
| PERFETTO_DCHECK(timestamp > 0); |
| const size_t fld_off = ftrace.offset_of(fld.data()); |
| ParseSignalDeliver(timestamp, pid, ftrace.slice(fld_off, fld.size())); |
| break; |
| } |
| |
| default: |
| break; |
| } |
| } |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseSignalDeliver(uint64_t timestamp, |
| uint32_t pid, |
| TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t sig = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SignalDeliverFtraceEvent::kSigFieldNumber: |
| sig = fld.as_uint32(); |
| break; |
| } |
| } |
| auto* instants = context_->storage->mutable_instants(); |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| instants->AddInstantEvent(timestamp, signal_deliver_id_, sig, utid, |
| RefType::kRefUtid); |
| } |
| |
| // This event has both the pid of the thread that sent the signal and the |
| // destination of the signal. Currently storing the pid of the destination. |
| void ProtoTraceParser::ParseSignalGenerate(uint64_t timestamp, |
| TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t pid = 0; |
| uint32_t sig = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SignalGenerateFtraceEvent::kPidFieldNumber: |
| pid = fld.as_uint32(); |
| break; |
| case protos::SignalGenerateFtraceEvent::kSigFieldNumber: |
| sig = fld.as_uint32(); |
| break; |
| } |
| } |
| auto* instants = context_->storage->mutable_instants(); |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| instants->AddInstantEvent(timestamp, signal_generate_id_, sig, utid, |
| RefType::kRefUtid); |
| } |
| |
| void ProtoTraceParser::ParseLowmemoryKill(uint64_t timestamp, |
| TraceBlobView view) { |
| // TODO(taylori): Store the pagecache_size, pagecache_limit and free fields |
| // in an args table |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t pid = 0; |
| base::StringView comm; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::LowmemoryKillFtraceEvent::kPidFieldNumber: |
| pid = fld.as_uint32(); |
| break; |
| case protos::LowmemoryKillFtraceEvent::kCommFieldNumber: |
| comm = fld.as_string(); |
| break; |
| } |
| } |
| // TODO(taylori): Move the comm to the args table once it exists. |
| StringId name = context_->storage->InternString( |
| base::StringView("mem.lmk." + comm.ToStdString())); |
| auto* instants = context_->storage->mutable_instants(); |
| // Storing the pid of the event that is lmk-ed. |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| instants->AddInstantEvent(timestamp, 0, name, utid, RefType::kRefUtid); |
| } |
| |
| void ProtoTraceParser::ParseRssStat(uint64_t timestamp, |
| uint32_t pid, |
| TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t member = 0; |
| uint32_t size = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::RssStatFtraceEvent::kMemberFieldNumber: |
| member = fld.as_uint32(); |
| break; |
| case protos::RssStatFtraceEvent::kSizeFieldNumber: |
| size = fld.as_uint32(); |
| break; |
| } |
| } |
| if (member >= rss_members_.size()) { |
| PERFETTO_ELOG("Unknown member field %" PRIu32 " in rss_stat event", member); |
| return; |
| } |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| |
| context_->event_tracker->PushCounter(timestamp, size, rss_members_[member], |
| utid, RefType::kRefUtidLookupUpid); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseIonHeapGrow(uint64_t timestamp, |
| uint32_t pid, |
| TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t value = 0; |
| // TODO(b/118300811): The heap name pointer cannot be read. Read once it |
| // has been fixed. |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::IonHeapGrowFtraceEvent::kTotalAllocatedFieldNumber: |
| value = fld.as_uint32(); |
| break; |
| } |
| } |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| context_->event_tracker->PushCounter(timestamp, value, ion_heap_grow_id_, |
| utid, RefType::kRefUtid); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseIonHeapShrink(uint64_t timestamp, |
| uint32_t pid, |
| TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| uint32_t value = 0; |
| // TODO(b/118300811): The heap name pointer cannot be read. Read once it |
| // has been fixed. |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::IonHeapShrinkFtraceEvent::kTotalAllocatedFieldNumber: |
| value = fld.as_uint32(); |
| break; |
| } |
| } |
| UniqueTid utid = context_->process_tracker->UpdateThread(timestamp, pid, 0); |
| context_->event_tracker->PushCounter(timestamp, value, ion_heap_shrink_id_, |
| utid, RefType::kRefUtid); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseCpuFreq(uint64_t timestamp, TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| |
| uint32_t cpu_affected = 0; |
| uint32_t new_freq = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::CpuFrequencyFtraceEvent::kCpuIdFieldNumber: |
| cpu_affected = fld.as_uint32(); |
| break; |
| case protos::CpuFrequencyFtraceEvent::kStateFieldNumber: |
| new_freq = fld.as_uint32(); |
| break; |
| } |
| } |
| context_->event_tracker->PushCounter(timestamp, new_freq, cpu_freq_name_id_, |
| cpu_affected, RefType::kRefCpuId); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseCpuIdle(uint64_t timestamp, TraceBlobView view) { |
| ProtoDecoder decoder(view.data(), view.length()); |
| |
| uint32_t cpu_affected = 0; |
| uint32_t new_state = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::CpuIdleFtraceEvent::kCpuIdFieldNumber: |
| cpu_affected = fld.as_uint32(); |
| break; |
| case protos::CpuIdleFtraceEvent::kStateFieldNumber: |
| new_state = fld.as_uint32(); |
| break; |
| } |
| } |
| context_->event_tracker->PushCounter(timestamp, new_state, cpu_idle_name_id_, |
| cpu_affected, RefType::kRefCpuId); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParseSchedSwitch(uint32_t cpu, |
| uint64_t timestamp, |
| TraceBlobView sswitch) { |
| ProtoDecoder decoder(sswitch.data(), sswitch.length()); |
| |
| uint32_t prev_pid = 0; |
| uint32_t prev_state = 0; |
| base::StringView next_comm; |
| uint32_t next_pid = 0; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| switch (fld.id) { |
| case protos::SchedSwitchFtraceEvent::kPrevPidFieldNumber: |
| prev_pid = fld.as_uint32(); |
| break; |
| case protos::SchedSwitchFtraceEvent::kPrevStateFieldNumber: |
| prev_state = fld.as_uint32(); |
| break; |
| case protos::SchedSwitchFtraceEvent::kNextPidFieldNumber: |
| next_pid = fld.as_uint32(); |
| break; |
| case protos::SchedSwitchFtraceEvent::kNextCommFieldNumber: |
| next_comm = fld.as_string(); |
| break; |
| default: |
| break; |
| } |
| } |
| context_->event_tracker->PushSchedSwitch(cpu, timestamp, prev_pid, prev_state, |
| next_pid, next_comm); |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| void ProtoTraceParser::ParsePrint(uint32_t, |
| uint64_t timestamp, |
| uint32_t pid, |
| TraceBlobView print) { |
| ProtoDecoder decoder(print.data(), print.length()); |
| |
| base::StringView buf{}; |
| for (auto fld = decoder.ReadField(); fld.id != 0; fld = decoder.ReadField()) { |
| if (fld.id == protos::PrintFtraceEvent::kBufFieldNumber) { |
| buf = fld.as_string(); |
| break; |
| } |
| } |
| |
| SystraceTracePoint point{}; |
| if (!ParseSystraceTracePoint(buf, &point)) |
| return; |
| |
| switch (point.phase) { |
| case 'B': { |
| StringId name_id = context_->storage->InternString(point.name); |
| context_->slice_tracker->BeginAndroid(timestamp, pid, point.tid, |
| 0 /*cat_id*/, name_id); |
| break; |
| } |
| |
| case 'E': { |
| context_->slice_tracker->EndAndroid(timestamp, pid, point.tid); |
| break; |
| } |
| |
| case 'C': { |
| UniqueTid utid = |
| context_->process_tracker->UpdateThread(timestamp, point.tid, 0); |
| StringId name_id = context_->storage->InternString(point.name); |
| context_->event_tracker->PushCounter(timestamp, point.value, name_id, |
| utid, RefType::kRefUtid); |
| } |
| } |
| PERFETTO_DCHECK(decoder.IsEndOfBuffer()); |
| } |
| |
| } // namespace trace_processor |
| } // namespace perfetto |