ART: Add verbose:deopt logging
Add verbose logging for deoptimization. Can be enabled with the
regular command line option "-verbose:_".
Change-Id: Iab63e02f3a4e0a213fc61efed1118fe829feeaa4
diff --git a/cmdline/cmdline_types.h b/cmdline/cmdline_types.h
index 03165ed..e02fe4b 100644
--- a/cmdline/cmdline_types.h
+++ b/cmdline/cmdline_types.h
@@ -579,6 +579,8 @@
log_verbosity.class_linker = true;
} else if (verbose_options[j] == "compiler") {
log_verbosity.compiler = true;
+ } else if (verbose_options[j] == "deopt") {
+ log_verbosity.deopt = true;
} else if (verbose_options[j] == "gc") {
log_verbosity.gc = true;
} else if (verbose_options[j] == "heap") {
diff --git a/runtime/base/logging.h b/runtime/base/logging.h
index 8b34374..35b50d1 100644
--- a/runtime/base/logging.h
+++ b/runtime/base/logging.h
@@ -39,6 +39,7 @@
struct LogVerbosity {
bool class_linker; // Enabled with "-verbose:class".
bool compiler;
+ bool deopt;
bool gc;
bool heap;
bool jdwp;
diff --git a/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc b/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
index 6a8aaf2..1b1ef66 100644
--- a/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_deoptimization_entrypoints.cc
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include "base/logging.h"
#include "callee_save_frame.h"
#include "dex_file-inl.h"
#include "interpreter/interpreter.h"
@@ -29,6 +30,12 @@
extern "C" NO_RETURN void artDeoptimize(Thread* self) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
ScopedQuickEntrypointChecks sqec(self);
+
+ if (VLOG_IS_ON(deopt)) {
+ LOG(INFO) << "Deopting:";
+ self->Dump(LOG(INFO));
+ }
+
self->SetException(Thread::GetDeoptimizationException());
self->QuickDeliverException();
}
