Paper/nms-patches/MethodProfiler.patch

--- a/net/minecraft/server/MethodProfiler.java
+++ b/net/minecraft/server/MethodProfiler.java
@@ -10,130 +10,30 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+// CraftBukkit start - Strip down to empty methods, performance cost
 public class MethodProfiler {
 
-    private static final Logger b = LogManager.getLogger();
-    private final List<String> c = Lists.newArrayList();
-    private final List<Long> d = Lists.newArrayList();
     public boolean a;
-    private String e = "";
-    private final Map<String, Long> f = Maps.newHashMap();
-
     public MethodProfiler() {}
 
     public void a() {
-        this.f.clear();
-        this.e = "";
-        this.c.clear();
     }
 
     public void a(String s) {
-        if (this.a) {
-            if (this.e.length() > 0) {
-                this.e = this.e + ".";
-            }
-
-            this.e = this.e + s;
-            this.c.add(this.e);
-            this.d.add(Long.valueOf(System.nanoTime()));
-        }
     }
 
     public void b() {
-        if (this.a) {
-            long i = System.nanoTime();
-            long j = ((Long) this.d.remove(this.d.size() - 1)).longValue();
-
-            this.c.remove(this.c.size() - 1);
-            long k = i - j;
-
-            if (this.f.containsKey(this.e)) {
-                this.f.put(this.e, Long.valueOf(((Long) this.f.get(this.e)).longValue() + k));
-            } else {
-                this.f.put(this.e, Long.valueOf(k));
-            }
-
-            if (k > 100000000L) {
-                MethodProfiler.b.warn("Something\'s taking too long! \'" + this.e + "\' took aprox " + (double) k / 1000000.0D + " ms");
-            }
-
-            this.e = !this.c.isEmpty() ? (String) this.c.get(this.c.size() - 1) : "";
-        }
     }
 
     public List<MethodProfiler.ProfilerInfo> b(String s) {
-        if (!this.a) {
-            return null;
-        } else {
-            long i = this.f.containsKey("root") ? ((Long) this.f.get("root")).longValue() : 0L;
-            long j = this.f.containsKey(s) ? ((Long) this.f.get(s)).longValue() : -1L;
-            ArrayList arraylist = Lists.newArrayList();
-
-            if (s.length() > 0) {
-                s = s + ".";
-            }
-
-            long k = 0L;
-            Iterator iterator = this.f.keySet().iterator();
-
-            while (iterator.hasNext()) {
-                String s1 = (String) iterator.next();
-
-                if (s1.length() > s.length() && s1.startsWith(s) && s1.indexOf(".", s.length() + 1) < 0) {
-                    k += ((Long) this.f.get(s1)).longValue();
-                }
-            }
-
-            float f = (float) k;
-
-            if (k < j) {
-                k = j;
-            }
-
-            if (i < k) {
-                i = k;
-            }
-
-            Iterator iterator1 = this.f.keySet().iterator();
-
-            String s2;
-
-            while (iterator1.hasNext()) {
-                s2 = (String) iterator1.next();
-                if (s2.length() > s.length() && s2.startsWith(s) && s2.indexOf(".", s.length() + 1) < 0) {
-                    long l = ((Long) this.f.get(s2)).longValue();
-                    double d0 = (double) l * 100.0D / (double) k;
-                    double d1 = (double) l * 100.0D / (double) i;
-                    String s3 = s2.substring(s.length());
-
-                    arraylist.add(new MethodProfiler.ProfilerInfo(s3, d0, d1));
-                }
-            }
-
-            iterator1 = this.f.keySet().iterator();
-
-            while (iterator1.hasNext()) {
-                s2 = (String) iterator1.next();
-                this.f.put(s2, Long.valueOf(((Long) this.f.get(s2)).longValue() * 999L / 1000L));
-            }
-
-            if ((float) k > f) {
-                arraylist.add(new MethodProfiler.ProfilerInfo("unspecified", (double) ((float) k - f) * 100.0D / (double) k, (double) ((float) k - f) * 100.0D / (double) i));
-            }
-
-            Collections.sort(arraylist);
-            arraylist.add(0, new MethodProfiler.ProfilerInfo(s, 100.0D, (double) k * 100.0D / (double) i));
-            return arraylist;
-        }
+        return null;
     }
 
     public void c(String s) {
-        this.b();
-        this.a(s);
     }
 
     public String c() {
-        return this.c.size() == 0 ? "[UNKNOWN]" : (String) this.c.get(this.c.size() - 1);
+        return "";
     }
 
     public static final class ProfilerInfo implements Comparable<MethodProfiler.ProfilerInfo> {
@@ -152,7 +52,7 @@
             return methodprofiler_profilerinfo.a < this.a ? -1 : (methodprofiler_profilerinfo.a > this.a ? 1 : methodprofiler_profilerinfo.c.compareTo(this.c));
         }
 
-        public int compareTo(Object object) {
+        public int compareTo(MethodProfiler.ProfilerInfo object) {
             return this.a((MethodProfiler.ProfilerInfo) object);
         }
     }