1 /*
2 * Copyright (c) 2020, 2022, 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 region):");
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
105 msg.debug("Class CP entries = %d, archived = %d (%3.1f%%)",
106 _num_klass_cp_entries, _num_klass_cp_entries_archived,
107 percent_of(_num_klass_cp_entries_archived, _num_klass_cp_entries));
108
109 }
110
111 #ifdef ASSERT
112 void DumpAllocStats::verify(int expected_byte_size, bool read_only) const {
113 int bytes = 0;
114 const int what = (int)(read_only ? RO : RW);
115 for (int type = 0; type < int(_number_of_types); type ++) {
116 bytes += _bytes[what][type];
117 }
118 assert(bytes == expected_byte_size, "counter mismatch (%s: %d vs %d)",
119 (read_only ? "RO" : "RW"), bytes, expected_byte_size);
120 }
121 #endif // ASSERT
122