2138
2139 AdapterHandlerLibrary::print_statistics();
2140
2141 if (xtty != NULL) xtty->tail("statistics");
2142 }
2143
2144 inline double percent(int x, int y) {
2145 return 100.0 * x / MAX2(y, 1);
2146 }
2147
2148 class MethodArityHistogram {
2149 public:
2150 enum { MAX_ARITY = 256 };
2151 private:
2152 static int _arity_histogram[MAX_ARITY]; // histogram of #args
2153 static int _size_histogram[MAX_ARITY]; // histogram of arg size in words
2154 static int _max_arity; // max. arity seen
2155 static int _max_size; // max. arg size seen
2156
2157 static void add_method_to_histogram(nmethod* nm) {
2158 if (CompiledMethod::nmethod_access_is_safe(nm)) {
2159 Method* method = nm->method();
2160 ArgumentCount args(method->signature());
2161 int arity = args.size() + (method->is_static() ? 0 : 1);
2162 int argsize = method->size_of_parameters();
2163 arity = MIN2(arity, MAX_ARITY-1);
2164 argsize = MIN2(argsize, MAX_ARITY-1);
2165 int count = method->compiled_invocation_count();
2166 _arity_histogram[arity] += count;
2167 _size_histogram[argsize] += count;
2168 _max_arity = MAX2(_max_arity, arity);
2169 _max_size = MAX2(_max_size, argsize);
2170 }
2171 }
2172
2173 void print_histogram_helper(int n, int* histo, const char* name) {
2174 const int N = MIN2(5, n);
2175 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):");
2176 double sum = 0;
2177 double weighted_sum = 0;
2178 int i;
2179 for (i = 0; i <= n; i++) { sum += histo[i]; weighted_sum += i*histo[i]; }
2180 double rest = sum;
2181 double percent = sum / 100;
2182 for (i = 0; i <= N; i++) {
2183 rest -= histo[i];
2184 tty->print_cr("%4d: %7d (%5.1f%%)", i, histo[i], histo[i] / percent);
2185 }
2186 tty->print_cr("rest: %7d (%5.1f%%))", (int)rest, rest / percent);
2187 tty->print_cr("(avg. %s = %3.1f, max = %d)", name, weighted_sum / sum, n);
2188 }
2189
2190 void print_histogram() {
2191 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):");
2192 print_histogram_helper(_max_arity, _arity_histogram, "arity");
2193 tty->print_cr("\nSame for parameter size (in words):");
2194 print_histogram_helper(_max_size, _size_histogram, "size");
2195 tty->cr();
2196 }
2197
2198 public:
2199 MethodArityHistogram() {
2200 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
2201 _max_arity = _max_size = 0;
2202 for (int i = 0; i < MAX_ARITY; i++) _arity_histogram[i] = _size_histogram[i] = 0;
2203 CodeCache::nmethods_do(add_method_to_histogram);
2204 print_histogram();
2205 }
2206 };
2207
2208 int MethodArityHistogram::_arity_histogram[MethodArityHistogram::MAX_ARITY];
2209 int MethodArityHistogram::_size_histogram[MethodArityHistogram::MAX_ARITY];
2210 int MethodArityHistogram::_max_arity;
2211 int MethodArityHistogram::_max_size;
2212
2213 void SharedRuntime::print_call_statistics(int comp_total) {
2214 tty->print_cr("Calls from compiled code:");
2215 int total = _nof_normal_calls + _nof_interface_calls + _nof_static_calls;
2216 int mono_c = _nof_normal_calls - _nof_optimized_calls - _nof_megamorphic_calls;
2217 int mono_i = _nof_interface_calls - _nof_optimized_interface_calls - _nof_megamorphic_interface_calls;
2218 tty->print_cr("\t%9d (%4.1f%%) total non-inlined ", total, percent(total, total));
2219 tty->print_cr("\t%9d (%4.1f%%) virtual calls ", _nof_normal_calls, percent(_nof_normal_calls, total));
2220 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_calls, percent(_nof_inlined_calls, _nof_normal_calls));
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2138
2139 AdapterHandlerLibrary::print_statistics();
2140
2141 if (xtty != NULL) xtty->tail("statistics");
2142 }
2143
2144 inline double percent(int x, int y) {
2145 return 100.0 * x / MAX2(y, 1);
2146 }
2147
2148 class MethodArityHistogram {
2149 public:
2150 enum { MAX_ARITY = 256 };
2151 private:
2152 static int _arity_histogram[MAX_ARITY]; // histogram of #args
2153 static int _size_histogram[MAX_ARITY]; // histogram of arg size in words
2154 static int _max_arity; // max. arity seen
2155 static int _max_size; // max. arg size seen
2156
2157 static void add_method_to_histogram(nmethod* nm) {
2158 Method* method = (nm == NULL) ? NULL : nm->method();
2159 if ((method != NULL) && nm->is_alive()) {
2160 ArgumentCount args(method->signature());
2161 int arity = args.size() + (method->is_static() ? 0 : 1);
2162 int argsize = method->size_of_parameters();
2163 arity = MIN2(arity, MAX_ARITY-1);
2164 argsize = MIN2(argsize, MAX_ARITY-1);
2165 int count = method->compiled_invocation_count();
2166 _arity_histogram[arity] += count;
2167 _size_histogram[argsize] += count;
2168 _max_arity = MAX2(_max_arity, arity);
2169 _max_size = MAX2(_max_size, argsize);
2170 }
2171 }
2172
2173 void print_histogram_helper(int n, int* histo, const char* name) {
2174 const int N = MIN2(5, n);
2175 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):");
2176 double sum = 0;
2177 double weighted_sum = 0;
2178 int i;
2179 for (i = 0; i <= n; i++) { sum += histo[i]; weighted_sum += i*histo[i]; }
2180 double rest = sum;
2181 double percent = sum / 100;
2182 for (i = 0; i <= N; i++) {
2183 rest -= histo[i];
2184 tty->print_cr("%4d: %7d (%5.1f%%)", i, histo[i], histo[i] / percent);
2185 }
2186 tty->print_cr("rest: %7d (%5.1f%%))", (int)rest, rest / percent);
2187 tty->print_cr("(avg. %s = %3.1f, max = %d)", name, weighted_sum / sum, n);
2188 }
2189
2190 void print_histogram() {
2191 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):");
2192 print_histogram_helper(_max_arity, _arity_histogram, "arity");
2193 tty->print_cr("\nSame for parameter size (in words):");
2194 print_histogram_helper(_max_size, _size_histogram, "size");
2195 tty->cr();
2196 }
2197
2198 public:
2199 MethodArityHistogram() {
2200 // Take the Compile_lock to protect against changes in the CodeBlob structures
2201 MutexLockerEx mu1(Compile_lock, Mutex::_no_safepoint_check_flag);
2202 // Take the CodeCache_lock to protect against changes in the CodeHeap structure
2203 MutexLockerEx mu2(CodeCache_lock, Mutex::_no_safepoint_check_flag);
2204 _max_arity = _max_size = 0;
2205 for (int i = 0; i < MAX_ARITY; i++) _arity_histogram[i] = _size_histogram[i] = 0;
2206 CodeCache::nmethods_do(add_method_to_histogram);
2207 print_histogram();
2208 }
2209 };
2210
2211 int MethodArityHistogram::_arity_histogram[MethodArityHistogram::MAX_ARITY];
2212 int MethodArityHistogram::_size_histogram[MethodArityHistogram::MAX_ARITY];
2213 int MethodArityHistogram::_max_arity;
2214 int MethodArityHistogram::_max_size;
2215
2216 void SharedRuntime::print_call_statistics(int comp_total) {
2217 tty->print_cr("Calls from compiled code:");
2218 int total = _nof_normal_calls + _nof_interface_calls + _nof_static_calls;
2219 int mono_c = _nof_normal_calls - _nof_optimized_calls - _nof_megamorphic_calls;
2220 int mono_i = _nof_interface_calls - _nof_optimized_interface_calls - _nof_megamorphic_interface_calls;
2221 tty->print_cr("\t%9d (%4.1f%%) total non-inlined ", total, percent(total, total));
2222 tty->print_cr("\t%9d (%4.1f%%) virtual calls ", _nof_normal_calls, percent(_nof_normal_calls, total));
2223 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_calls, percent(_nof_inlined_calls, _nof_normal_calls));
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