[analyzer]scan-build: report the total number of steps analyzer performs
This would be useful to investigate performance issues.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159038 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/scan-build/ccc-analyzer b/tools/scan-build/ccc-analyzer
index 86a3616..b8f7193 100755
--- a/tools/scan-build/ccc-analyzer
+++ b/tools/scan-build/ccc-analyzer
@@ -438,6 +438,9 @@
# Get the constraints engine.
my $ConstraintsModel = $ENV{'CCC_ANALYZER_CONSTRAINTS_MODEL'};
+#Get the internal stats setting.
+my $InternalStats = $ENV{'CCC_ANALYZER_INTERNAL_STATS'};
+
# Get the output format.
my $OutputFormat = $ENV{'CCC_ANALYZER_OUTPUT_FORMAT'};
if (!defined $OutputFormat) { $OutputFormat = "html"; }
@@ -642,6 +645,10 @@
if (defined $ConstraintsModel) {
push @AnalyzeArgs, "-analyzer-constraints=$ConstraintsModel";
}
+
+ if (defined $InternalStats) {
+ push @AnalyzeArgs, "-analyzer-stats";
+ }
if (defined $Analyses) {
push @AnalyzeArgs, split '\s+', $Analyses;
diff --git a/tools/scan-build/scan-build b/tools/scan-build/scan-build
index 7bcd5c2..424e15a 100755
--- a/tools/scan-build/scan-build
+++ b/tools/scan-build/scan-build
@@ -1025,7 +1025,8 @@
-maxloop N - specifiy the number of times a block can be visited before giving
up. Default is 4. Increase for more comprehensive coverage at a
cost of speed.
-
+ -internal-stats - Generate internal analyzer statistics.
+
CONTROLLING CHECKERS:
A default group of checkers are always run unless explicitly disabled.
@@ -1194,6 +1195,7 @@
my @AnalysesToRun;
my $StoreModel;
my $ConstraintsModel;
+my $InternalStats;
my $OutputFormat = "html";
my $AnalyzerStats = 0;
my $MaxLoop = 0;
@@ -1325,6 +1327,12 @@
$ConstraintsModel = shift @ARGV;
next;
}
+
+ if ($arg eq "-internal-stats") {
+ shift @ARGV;
+ $InternalStats = 1;
+ next;
+ }
if ($arg eq "-plist") {
shift @ARGV;
@@ -1442,6 +1450,9 @@
if (defined $ConstraintsModel) {
$ENV{'CCC_ANALYZER_CONSTRAINTS_MODEL'} = $ConstraintsModel;
}
+if (defined $InternalStats) {
+ $ENV{'CCC_ANALYZER_INTERNAL_STATS'} = 1;
+}
if (defined $OutputFormat) {
$ENV{'CCC_ANALYZER_OUTPUT_FORMAT'} = $OutputFormat;
}