commit 476e94441aeea618e6126166f7941cf940072d71
author Luke Chang <lukechang@google.com> Tue Nov 09 23:14:34 2021 +0800
committer Luke Chang <lukechang@google.com> Thu Nov 11 15:46:46 2021 +0800
tree 22b8d2725b9ce920d7b525fc7fd1967fc32dbbce
parent d55477b23954ec32d46ff4b4ab839b81e5ddba29

metrics: Add frequency residency metric

Frequency Residency is a useful normalized metric to find
the predominantly frequency and frequency distribution for
devices with dynamic voltage and frequency scaling. This
patch extracts metadata from the clock_set_rate ftrace
events to generate frequency residency metrics.

Bug: 205778323
Test: <trace_processor_shell> --run-metrics android_dvfs \
      <perfetto_trace>
Test: tools/diff_test_trace_processor.py <trace_processor_shell> \
      --trace-filter='dvfs_metric'
Change-Id: Icc6465e23b748b95f774068b9545339fdf2aab9f
Signed-off-by: Luke Chang <lukechang@google.com>

Android.bp

diff --git a/Android.bp b/Android.bp
index f3f47ef..1b10e3d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -3655,6 +3655,7 @@
         "protos/perfetto/metrics/android/cpu_metric.proto",
         "protos/perfetto/metrics/android/display_metrics.proto",
         "protos/perfetto/metrics/android/dma_heap_metric.proto",
+        "protos/perfetto/metrics/android/dvfs_metric.proto",
         "protos/perfetto/metrics/android/fastrpc_metric.proto",
         "protos/perfetto/metrics/android/g2d_metric.proto",
         "protos/perfetto/metrics/android/gpu_metric.proto",
@@ -3711,6 +3712,7 @@
         "protos/perfetto/metrics/android/cpu_metric.proto",
         "protos/perfetto/metrics/android/display_metrics.proto",
         "protos/perfetto/metrics/android/dma_heap_metric.proto",
+        "protos/perfetto/metrics/android/dvfs_metric.proto",
         "protos/perfetto/metrics/android/fastrpc_metric.proto",
         "protos/perfetto/metrics/android/g2d_metric.proto",
         "protos/perfetto/metrics/android/gpu_metric.proto",
@@ -8007,6 +8009,7 @@
         "src/trace_processor/metrics/sql/android/android_cpu_agg.sql",
         "src/trace_processor/metrics/sql/android/android_cpu_raw_metrics_per_core.sql",
         "src/trace_processor/metrics/sql/android/android_dma_heap.sql",
+        "src/trace_processor/metrics/sql/android/android_dvfs.sql",
         "src/trace_processor/metrics/sql/android/android_fastrpc.sql",
         "src/trace_processor/metrics/sql/android/android_gpu.sql",
         "src/trace_processor/metrics/sql/android/android_hwcomposer.sql",