# HG changeset patch
# User Andreas Woess <andreas.woess@jku.at>
# Date 1413195016 -7200
# Node ID f7ba2423fbc3016908115411b840ef1dd218deb1
# Parent  e30f38c2ee16adbe70df58fa3cc408536fc0d47b
Truffle: make TraceTruffleTransferToInterpreter and TraceTruffleAssumptions stack trace limit configurable

diff -r e30f38c2ee16 -r f7ba2423fbc3 graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java
--- a/graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java	Mon Oct 13 12:10:06 2014 +0200
+++ b/graal/com.oracle.graal.truffle.hotspot/src/com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime.java	Mon Oct 13 12:10:16 2014 +0200
@@ -282,7 +282,7 @@
 
     private static void logTransferToInterpreter() {
         final int skip = 2;
-        final int limit = 20;
+        final int limit = TraceTruffleStackTraceLimit.getValue();
         StackTraceElement[] stackTrace = new Throwable().getStackTrace();
         String suffix = stackTrace.length > skip + limit ? "\n  ..." : "";
         TTY.out().out().println(Arrays.stream(stackTrace).skip(skip).limit(limit).map(StackTraceElement::toString).collect(Collectors.joining("\n  ", "", suffix)));
diff -r e30f38c2ee16 -r f7ba2423fbc3 graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedAssumption.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedAssumption.java	Mon Oct 13 12:10:06 2014 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/OptimizedAssumption.java	Mon Oct 13 12:10:16 2014 +0200
@@ -105,7 +105,7 @@
 
     private static void logStackTrace() {
         final int skip = 1;
-        final int limit = 20;
+        final int limit = TraceTruffleStackTraceLimit.getValue();
         StackTraceElement[] stackTrace = new Throwable().getStackTrace();
         String suffix = stackTrace.length > skip + limit ? "\n  ..." : "";
         TTY.out().out().println(Arrays.stream(stackTrace).skip(skip).limit(limit).map(StackTraceElement::toString).collect(Collectors.joining("\n  ", "", suffix)));
diff -r e30f38c2ee16 -r f7ba2423fbc3 graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java
--- a/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java	Mon Oct 13 12:10:06 2014 +0200
+++ b/graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/TruffleCompilerOptions.java	Mon Oct 13 12:10:16 2014 +0200
@@ -126,6 +126,8 @@
     public static final OptionValue<Boolean> TraceTruffleTransferToInterpreter = new StableOptionValue<>(false);
     @Option(help = "Print stack trace on assumption invalidation")
     public static final OptionValue<Boolean> TraceTruffleAssumptions = new StableOptionValue<>(false);
+    @Option(help = "Number of stack trace elements printed by TraceTruffleTransferToInterpreter and TraceTruffleAssumptions")
+    public static final OptionValue<Integer> TraceTruffleStackTraceLimit = new OptionValue<>(20);
     @Option(help = "Print a summary of execution counts for all executed CallTargets. Introduces counter overhead for each call.")
     public static final OptionValue<Boolean> TruffleCallTargetProfiling = new StableOptionValue<>(false);
     // @formatter:on