commit b2a1416f6d7031d8f255398407a3e8a2bb6d6447
author Eric Holk <eholk@google.com> Tue Mar 30 16:54:13 2021 -0700
committer Treehugger Robot <treehugger-gerrit@google.com> Wed Mar 31 20:17:51 2021 +0000
tree 7dd7e79e47787b0f7c600f7db1a282321519c623
parent 30126397f7d9219f5556b2f852e3fea1069d5ae0

[metrics] Add JitMethodCompileCount

This tracks how many methods have been compiled by the JIT.

Bug: 170149255
Test: manual
Change-Id: Id7943818318dae26afdac7f9903cd32b7e2c4e89

compiler/jit/jit_compiler.cc

diff --git a/compiler/jit/jit_compiler.cc b/compiler/jit/jit_compiler.cc
index 10aa306..c5095cf 100644
--- a/compiler/jit/jit_compiler.cc
+++ b/compiler/jit/jit_compiler.cc
@@ -194,6 +194,7 @@
     uint64_t duration_us = timer.Stop();
     VLOG(jit) << "Compilation of " << method->PrettyMethod() << " took "
               << PrettyDuration(UsToNs(duration_us));
+    runtime->GetMetrics()->JitMethodCompileCount()->AddOne();
   }
 
   // Trim maps to reduce memory usage.

libartbase/base/metrics/metrics.h

diff --git a/libartbase/base/metrics/metrics.h b/libartbase/base/metrics/metrics.h
index acfd20c..4e3346a 100644
--- a/libartbase/base/metrics/metrics.h
+++ b/libartbase/base/metrics/metrics.h
@@ -46,6 +46,7 @@
   METRIC(TotalBytesAllocated, MetricsCounter)                      \
   METRIC(TotalGcMetaDataSize, MetricsCounter)                      \
   METRIC(JitMethodCompileTime, MetricsHistogram, 15, 0, 1'000'000) \
+  METRIC(JitMethodCompileCount, MetricsCounter)                    \
   METRIC(YoungGcCollectionTime, MetricsHistogram, 15, 0, 60'000)   \
   METRIC(FullGcCollectionTime, MetricsHistogram, 15, 0, 60'000)    \
   METRIC(YoungGcThroughput, MetricsHistogram, 15, 0, 1'000)        \

runtime/metrics/statsd.cc

diff --git a/runtime/metrics/statsd.cc b/runtime/metrics/statsd.cc
index ef11e3d..39836e2 100644
--- a/runtime/metrics/statsd.cc
+++ b/runtime/metrics/statsd.cc
@@ -75,6 +75,9 @@
     case DatumId::kFullGcThroughput:
       return std::make_optional(
           statsd::ART_DATUM_REPORTED__KIND__ART_DATUM_GC_FULL_HEAP_COLLECTION_THROUGHPUT);
+    case DatumId::kJitMethodCompileCount:
+      return std::make_optional(
+          statsd::ART_DATUM_REPORTED__KIND__ART_DATUM_JIT_METHOD_COMPILE_COUNT);
   }
 }