1 /*
  2  * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "cds/dumpAllocStats.hpp"
 27 #include "logging/log.hpp"
 28 #include "logging/logMessage.hpp"
 29 
 30 void DumpAllocStats::print_stats(int ro_all, int rw_all) {
 31   // symbols
 32   _counts[RO][SymbolHashentryType] = _symbol_stats.hashentry_count;
 33   _bytes [RO][SymbolHashentryType] = _symbol_stats.hashentry_bytes;
 34 
 35   _counts[RO][SymbolBucketType] = _symbol_stats.bucket_count;
 36   _bytes [RO][SymbolBucketType] = _symbol_stats.bucket_bytes;
 37 
 38   // strings
 39   _counts[RO][StringHashentryType] = _string_stats.hashentry_count;
 40   _bytes [RO][StringHashentryType] = _string_stats.hashentry_bytes;
 41 
 42   _counts[RO][StringBucketType] = _string_stats.bucket_count;
 43   _bytes [RO][StringBucketType] = _string_stats.bucket_bytes;
 44 
 45   int all_ro_count = 0;
 46   int all_ro_bytes = 0;
 47   int all_rw_count = 0;
 48   int all_rw_bytes = 0;
 49 
 50 // To make fmt_stats be a syntactic constant (for format warnings), use #define.
 51 #define fmt_stats "%-20s: %8d %10d %5.1f | %8d %10d %5.1f | %8d %10d %5.1f"
 52   const char *sep = "--------------------+---------------------------+---------------------------+--------------------------";
 53   const char *hdr = "                        ro_cnt   ro_bytes     % |   rw_cnt   rw_bytes     % |  all_cnt  all_bytes     %";
 54 
 55   LogMessage(cds) msg;
 56 
 57   msg.debug("Detailed metadata info (excluding heap regions):");
 58   msg.debug("%s", hdr);
 59   msg.debug("%s", sep);
 60   for (int type = 0; type < int(_number_of_types); type ++) {
 61     const char *name = type_name((Type)type);
 62     int ro_count = _counts[RO][type];
 63     int ro_bytes = _bytes [RO][type];
 64     int rw_count = _counts[RW][type];
 65     int rw_bytes = _bytes [RW][type];
 66     int count = ro_count + rw_count;
 67     int bytes = ro_bytes + rw_bytes;
 68 
 69     double ro_perc = percent_of(ro_bytes, ro_all);
 70     double rw_perc = percent_of(rw_bytes, rw_all);
 71     double perc    = percent_of(bytes, ro_all + rw_all);
 72 
 73     msg.debug(fmt_stats, name,
 74                          ro_count, ro_bytes, ro_perc,
 75                          rw_count, rw_bytes, rw_perc,
 76                          count, bytes, perc);
 77 
 78     all_ro_count += ro_count;
 79     all_ro_bytes += ro_bytes;
 80     all_rw_count += rw_count;
 81     all_rw_bytes += rw_bytes;
 82   }
 83 
 84   int all_count = all_ro_count + all_rw_count;
 85   int all_bytes = all_ro_bytes + all_rw_bytes;
 86 
 87   double all_ro_perc = percent_of(all_ro_bytes, ro_all);
 88   double all_rw_perc = percent_of(all_rw_bytes, rw_all);
 89   double all_perc    = percent_of(all_bytes, ro_all + rw_all);
 90 
 91   msg.debug("%s", sep);
 92   msg.debug(fmt_stats, "Total",
 93                        all_ro_count, all_ro_bytes, all_ro_perc,
 94                        all_rw_count, all_rw_bytes, all_rw_perc,
 95                        all_count, all_bytes, all_perc);
 96 
 97   msg.flush();
 98 
 99   assert(all_ro_bytes == ro_all && all_rw_bytes == rw_all,
100          "everything should have been counted (used/counted: ro %d/%d, rw %d/%d",
101          ro_all, all_ro_bytes, rw_all, all_rw_bytes);
102 
103 #undef fmt_stats
104 }












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