Perfprofd: Factor out configuration
Create Config struct to separate file configuration from usage.
Test: m
Change-Id: I3bc947a2982063afae8e4dc64ceb704683edead8
diff --git a/perfprofd/config.h b/perfprofd/config.h
new file mode 100644
index 0000000..2512faa
--- /dev/null
+++ b/perfprofd/config.h
@@ -0,0 +1,90 @@
+/*
+ *
+ * Copyright 2015, 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.
+ */
+
+#ifndef SYSTEM_EXTRAS_PERFPROFD_CONFIG_H_
+#define SYSTEM_EXTRAS_PERFPROFD_CONFIG_H_
+
+#include <cstdint>
+#include <string>
+
+#include <unistd.h>
+
+struct Config {
+ virtual ~Config() {}
+
+ // Average number of seconds between perf profile collections (if
+ // set to 100, then over time we want to see a perf profile
+ // collected every 100 seconds). The actual time within the interval
+ // for the collection is chosen randomly.
+ uint32_t collection_interval_in_s = 14400;
+ // Use the specified fixed seed for random number generation (unit
+ // testing)
+ uint32_t use_fixed_seed = 0;
+ // For testing purposes, number of times to iterate through main
+ // loop. Value of zero indicates that we should loop forever.
+ uint32_t main_loop_iterations = 0;
+
+ // Destination directory (where to write profiles). This location
+ // chosen since it is accessible to the uploader service.
+ std::string destination_directory = "/data/misc/perfprofd";
+ // Config directory (where to read configs).
+ std::string config_directory = "/data/data/com.google.android.gms/files";
+ // Full path to 'perf' executable.
+ std::string perf_path = "/system/xbin/simpleperf";
+
+ // Desired sampling period (passed to perf -c option). Small
+ // sampling periods can perturb the collected profiles, so enforce
+ // min/max.
+ uint32_t sampling_period = 5000;
+ // Length of time to collect samples (number of seconds for 'perf
+ // record -a' run).
+ uint32_t sample_duration_in_s = 2;
+
+ // If this parameter is non-zero it will cause perfprofd to
+ // exit immediately if the build type is not userdebug or eng.
+ // Currently defaults to 1 (true).
+ bool only_debug_build = true;
+
+ // If the "mpdecision" service is running at the point we are ready
+ // to kick off a profiling run, then temporarily disable the service
+ // and hard-wire all cores on prior to the collection run, provided
+ // that the duration of the recording is less than or equal to the value of
+ // 'hardwire_cpus_max_duration'.
+ bool hardwire_cpus = true;
+ uint32_t hardwire_cpus_max_duration_in_s = 5;
+
+ // Maximum number of unprocessed profiles we can accumulate in the
+ // destination directory. Once we reach this limit, we continue
+ // to collect, but we just overwrite the most recent profile.
+ uint32_t max_unprocessed_profiles = 10;
+
+ // If set to 1, pass the -g option when invoking 'perf' (requests
+ // stack traces as opposed to flat profile).
+ bool stack_profile = false;
+
+ // For unit testing only: if set to 1, emit info messages on config
+ // file parsing.
+ bool trace_config_read = false;
+
+ // Control collection of various additional profile tags
+ bool collect_cpu_utilization = true;
+ bool collect_charging_state = true;
+ bool collect_booting = true;
+ bool collect_camera_active = false;
+};
+
+#endif // SYSTEM_EXTRAS_PERFPROFD_CONFIG_H_