| /* |
| * Copyright (C) 2019 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/metrics/metrics.h" |
| |
| #include "perfetto/base/string_utils.h" |
| #include "perfetto/metrics/android/mem_metric.pbzero.h" |
| #include "perfetto/metrics/metrics.pbzero.h" |
| #include "perfetto/protozero/scattered_heap_buffer.h" |
| #include "src/trace_processor/metrics/sql_metrics.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| namespace metrics { |
| |
| void RunMetric(sqlite3_context* ctx, int argc, sqlite3_value** argv) { |
| auto* tp = static_cast<TraceProcessor*>(sqlite3_user_data(ctx)); |
| if (argc == 0 || sqlite3_value_type(argv[0]) != SQLITE_TEXT) { |
| sqlite3_result_error(ctx, "Invalid call to RUN_METRIC", -1); |
| return; |
| } |
| |
| const char* filename = |
| reinterpret_cast<const char*>(sqlite3_value_text(argv[0])); |
| const char* sql = sql_metrics::GetBundledMetric(filename); |
| if (!sql) { |
| sqlite3_result_error(ctx, "Unknown filename provided to RUN_METRIC", -1); |
| return; |
| } |
| |
| for (const auto& query : base::SplitString(sql, ";\n\n")) { |
| PERFETTO_DLOG("Executing query in RUN_METRIC: %s", query.c_str()); |
| |
| auto it = tp->ExecuteQuery(query); |
| if (auto opt_error = it.GetLastError()) { |
| sqlite3_result_error(ctx, "Error when running RUN_METRIC file", -1); |
| return; |
| } else if (it.Next()) { |
| sqlite3_result_error( |
| ctx, "RUN_METRIC functions should not produce any output", -1); |
| return; |
| } |
| } |
| } |
| |
| int ComputeMetrics(TraceProcessor* tp, |
| const std::vector<std::string>& metric_names, |
| std::vector<uint8_t>* metrics_proto) { |
| // TODO(lalitm): stop hardcoding android.mem metric and read the proto |
| // descriptor for this logic instead. |
| if (metric_names.size() != 1 || metric_names[0] != "android.mem") { |
| PERFETTO_ELOG("Only android.mem metric is currently supported"); |
| return 1; |
| } |
| |
| auto queries = base::SplitString(sql_metrics::kAndroidMem, ";\n\n"); |
| for (const auto& query : queries) { |
| PERFETTO_DLOG("Executing query: %s", query.c_str()); |
| auto prep_it = tp->ExecuteQuery(query); |
| auto prep_has_next = prep_it.Next(); |
| if (auto opt_error = prep_it.GetLastError()) { |
| PERFETTO_ELOG("SQLite error: %s", opt_error->c_str()); |
| return 1; |
| } |
| PERFETTO_DCHECK(!prep_has_next); |
| } |
| |
| protozero::ScatteredHeapBuffer delegate; |
| protozero::ScatteredStreamWriter writer(&delegate); |
| delegate.set_writer(&writer); |
| |
| protos::pbzero::TraceMetrics metrics; |
| metrics.Reset(&writer); |
| |
| // TODO(lalitm): all the below is temporary hardcoded queries and proto |
| // filling to ensure that the code above works. |
| auto it = tp->ExecuteQuery("SELECT COUNT(*) from lmk_by_score;"); |
| auto has_next = it.Next(); |
| if (auto opt_error = it.GetLastError()) { |
| PERFETTO_ELOG("SQLite error: %s", opt_error->c_str()); |
| return 1; |
| } |
| PERFETTO_CHECK(has_next); |
| PERFETTO_CHECK(it.Get(0).type == SqlValue::Type::kLong); |
| |
| auto* memory = metrics.set_android_mem(); |
| memory->set_system_metrics()->set_lmks()->set_total_count( |
| static_cast<int32_t>(it.Get(0).long_value)); |
| metrics.Finalize(); |
| |
| *metrics_proto = delegate.StitchSlices(); |
| |
| has_next = it.Next(); |
| PERFETTO_DCHECK(!has_next); |
| return 0; |
| } |
| |
| } // namespace metrics |
| } // namespace trace_processor |
| } // namespace perfetto |