/*
* 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