[RCS / TurboFan] Enable basic off-thread RCS for Concurrent Optimization.

Also removes the --no-recompile-concurrent from the callstats.py script.

BUG=v8:7790

Change-Id: I7e652dd273fd12565e086fe579bdf5974a876d9c
Reviewed-on: https://chromium-review.googlesource.com/1202402Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55709}

src/compiler-dispatcher/optimizing-compile-dispatcher.cc

@@ -41,7 +41,11 @@ class OptimizingCompileDispatcher::CompileTask : public CancelableTask {
  public:
   explicit CompileTask(Isolate* isolate,
                        OptimizingCompileDispatcher* dispatcher)
-      : CancelableTask(isolate), isolate_(isolate), dispatcher_(dispatcher) {
+      : CancelableTask(isolate),
+        isolate_(isolate),
+        worker_thread_runtime_call_stats_(
+            isolate->counters()->worker_thread_runtime_call_stats()),
+        dispatcher_(dispatcher) {
     base::LockGuard<base::Mutex> lock_guard(&dispatcher_->ref_count_mutex_);
     ++dispatcher_->ref_count_;
   }
@@ -56,8 +60,13 @@ class OptimizingCompileDispatcher::CompileTask : public CancelableTask {
     DisallowHandleDereference no_deref;
 
     {
-      TimerEventScope<TimerEventRecompileConcurrent> timer(isolate_);
+      WorkerThreadRuntimeCallStatsScope runtime_call_stats_scope(
+          worker_thread_runtime_call_stats_);
+      RuntimeCallTimerScope runtimeTimer(
+          runtime_call_stats_scope.Get(),
+          RuntimeCallCounterId::kRecompileConcurrent);
 
+      TimerEventScope<TimerEventRecompileConcurrent> timer(isolate_);
       TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("v8.compile"),
                    "V8.RecompileConcurrent");
 
@@ -77,6 +86,7 @@ class OptimizingCompileDispatcher::CompileTask : public CancelableTask {
   }
 
   Isolate* isolate_;
+  WorkerThreadRuntimeCallStats* worker_thread_runtime_call_stats_;
   OptimizingCompileDispatcher* dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(CompileTask);

tools/callstats.html

@@ -1507,6 +1507,7 @@ code is governed by a BSD-style license that can be found in the LICENSE file.
         this.groups = [
           this.total,
           Group.groups.get('ic').entry(),
+          Group.groups.get('optimize-background').entry(),
           Group.groups.get('optimize').entry(),
           Group.groups.get('compile-background').entry(),
           Group.groups.get('compile').entry(),
@@ -1715,14 +1716,16 @@ code is governed by a BSD-style license that can be found in the LICENSE file.
     }
     Group.add('total', new Group('Total', /.*Total.*/, '#BBB'));
     Group.add('ic', new Group('IC', /.*IC_.*/, "#3366CC"));
+    Group.add('optimize-background', new Group('Optimize-Background',
+        /(.*OptimizeConcurrent.*)|RecompileConcurrent.*/, "#702000"));
     Group.add('optimize', new Group('Optimize',
         /StackGuard|.*Optimize.*|.*Deoptimize.*|Recompile.*/, "#DC3912"));
     Group.add('compile-background', new Group('Compile-Background',
-        /(.*CompileBackground.*)/, "#b9a720"));
+        /(.*CompileBackground.*)/, "#b08000"));
     Group.add('compile', new Group('Compile',
         /(^Compile.*)|(.*_Compile.*)/, "#FFAA00"));
     Group.add('parse-background',
-        new Group('Parse-Background', /.*ParseBackground.*/, "#af744d"));
+        new Group('Parse-Background', /.*ParseBackground.*/, "#c05000"));
     Group.add('parse', new Group('Parse', /.*Parse.*/, "#FF6600"));
     Group.add('callback', new Group('Blink C++', /.*Callback.*/, "#109618"));
     Group.add('api', new Group('API', /.*API.*/, "#990099"));

tools/callstats.py

@@ -180,7 +180,7 @@ def run_site(site, domain, args, timeout=None):
           user_data_dir = args.user_data_dir
         else:
           user_data_dir = tempfile.mkdtemp(prefix="chr_")
-        js_flags = "--runtime-call-stats --noconcurrent-recompilation"
+        js_flags = "--runtime-call-stats"
         if args.replay_wpr: js_flags += " --allow-natives-syntax"
         if args.js_flags: js_flags += " " + args.js_flags
         chrome_flags = get_chrome_flags(js_flags, user_data_dir)
@@ -240,6 +240,8 @@ def read_sites_file(args):
           if item['timeout'] > args.timeout: item['timeout'] = args.timeout
           sites.append(item)
     except ValueError:
+      args.error("Warning: Could not read sites file as JSON, falling back to "
+                 "primitive file")
       with open(args.sites_file, "rt") as f:
         for line in f:
           line = line.strip()
@@ -349,11 +351,22 @@ def statistics(data):
            'stddev': stddev, 'min': low, 'max': high, 'ci': ci }
 
 
+def add_category_total(entries, groups, category_prefix):
+  group_data = { 'time': 0, 'count': 0 }
+  for group_name, regexp in groups:
+    if not group_name.startswith('Group-' + category_prefix): continue
+    group_data['time'] += entries[group_name]['time']
+    group_data['count'] += entries[group_name]['count']
+  entries['Group-' + category_prefix + '-Total'] = group_data
+
+
 def read_stats(path, domain, args):
   groups = [];
   if args.aggregate:
     groups = [
         ('Group-IC', re.compile(".*IC_.*")),
+        ('Group-OptimizeBackground',
+         re.compile(".*OptimizeConcurrent.*|RecompileConcurrent.*")),
         ('Group-Optimize',
          re.compile("StackGuard|.*Optimize.*|.*Deoptimize.*|Recompile.*")),
         ('Group-CompileBackground', re.compile("(.*CompileBackground.*)")),
@@ -405,20 +418,10 @@ def read_stats(path, domain, args):
       group_data['time'] += entries[group_name]['time']
       group_data['count'] += entries[group_name]['count']
     entries['Group-Total-V8'] = group_data
-    # Calculate the Parse-Total group
-    group_data = { 'time': 0, 'count': 0 }
-    for group_name, regexp in groups:
-      if not group_name.startswith('Group-Parse'): continue
-      group_data['time'] += entries[group_name]['time']
-      group_data['count'] += entries[group_name]['count']
-    entries['Group-Parse-Total'] = group_data
-    # Calculate the Compile-Total group
-    group_data = { 'time': 0, 'count': 0 }
-    for group_name, regexp in groups:
-      if not group_name.startswith('Group-Compile'): continue
-      group_data['time'] += entries[group_name]['time']
-      group_data['count'] += entries[group_name]['count']
-    entries['Group-Compile-Total'] = group_data
+    # Calculate the Parse-Total, Compile-Total and Optimize-Total groups
+    add_category_total(entries, groups, 'Parse')
+    add_category_total(entries, groups, 'Compile')
+    add_category_total(entries, groups, 'Optimize')
     # Append the sums as single entries to domain.
     for key in entries:
       if key not in domain: domain[key] = { 'time_list': [], 'count_list': [] }
@@ -651,7 +654,7 @@ def main():
         "-l", "--log-stderr", type=str, metavar="<path>",
         help="specify where chrome's stderr should go (default: /dev/null)")
     subparser.add_argument(
-        "sites", type=str, metavar="<URL>", nargs="*",
+        "--sites", type=str, metavar="<URL>", nargs="*",
         help="specify benchmark website")
   add_replay_args(subparsers["run"])