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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

29,823 bytes · SHA-256 444a25a3c277ac72… · View upstream ↗

1// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file. See the AUTHORS file for names of contributors.
4
5#include <stdio.h>
6#include <stdlib.h>
7#include <sys/types.h>
8
9#include "leveldb/cache.h"
10#include "leveldb/db.h"
11#include "leveldb/env.h"
12#include "leveldb/filter_policy.h"
13#include "leveldb/write_batch.h"
14#include "port/port.h"
15#include "util/crc32c.h"
16#include "util/histogram.h"
17#include "util/mutexlock.h"
18#include "util/random.h"
19#include "util/testutil.h"
20
21// Comma-separated list of operations to run in the specified order
22//   Actual benchmarks:
23//      fillseq       -- write N values in sequential key order in async mode
24//      fillrandom    -- write N values in random key order in async mode
25//      overwrite     -- overwrite N values in random key order in async mode
26//      fillsync      -- write N/100 values in random key order in sync mode
27//      fill100K      -- write N/1000 100K values in random order in async mode
28//      deleteseq     -- delete N keys in sequential order
29//      deleterandom  -- delete N keys in random order
30//      readseq       -- read N times sequentially
31//      readreverse   -- read N times in reverse order
32//      readrandom    -- read N times in random order
33//      readmissing   -- read N missing keys in random order
34//      readhot       -- read N times in random order from 1% section of DB
35//      seekrandom    -- N random seeks
36//      open          -- cost of opening a DB
37//      crc32c        -- repeated crc32c of 4K of data
38//   Meta operations:
39//      compact     -- Compact the entire DB
40//      stats       -- Print DB stats
41//      sstables    -- Print sstable info
42//      heapprofile -- Dump a heap profile (if supported by this port)
43static const char* FLAGS_benchmarks =
44    "fillseq,"
45    "fillsync,"
46    "fillrandom,"
47    "overwrite,"
48    "readrandom,"
49    "readrandom,"  // Extra run to allow previous compactions to quiesce
50    "readseq,"
51    "readreverse,"
52    "compact,"
53    "readrandom,"
54    "readseq,"
55    "readreverse,"
56    "fill100K,"
57    "crc32c,"
58    "snappycomp,"
59    "snappyuncomp,";
60
61// Number of key/values to place in database
62static int FLAGS_num = 1000000;
63
64// Number of read operations to do.  If negative, do FLAGS_num reads.
65static int FLAGS_reads = -1;
66
67// Number of concurrent threads to run.
68static int FLAGS_threads = 1;
69
70// Size of each value
71static int FLAGS_value_size = 100;
72
73// Arrange to generate values that shrink to this fraction of
74// their original size after compression
75static double FLAGS_compression_ratio = 0.5;
76
77// Print histogram of operation timings
78static bool FLAGS_histogram = false;
79
80// Number of bytes to buffer in memtable before compacting
81// (initialized to default value by "main")
82static int FLAGS_write_buffer_size = 0;
83
84// Number of bytes written to each file.
85// (initialized to default value by "main")
86static int FLAGS_max_file_size = 0;
87
88// Approximate size of user data packed per block (before compression.
89// (initialized to default value by "main")
90static int FLAGS_block_size = 0;
91
92// Number of bytes to use as a cache of uncompressed data.
93// Negative means use default settings.
94static int FLAGS_cache_size = -1;
95
96// Maximum number of files to keep open at the same time (use default if == 0)
97static int FLAGS_open_files = 0;
98
99// Bloom filter bits per key.
100// Negative means use default settings.
101static int FLAGS_bloom_bits = -1;
102
103// If true, do not destroy the existing database.  If you set this
104// flag and also specify a benchmark that wants a fresh database, that
105// benchmark will fail.
106static bool FLAGS_use_existing_db = false;
107
108// If true, reuse existing log/MANIFEST files when re-opening a database.
109static bool FLAGS_reuse_logs = false;
110
111// Use the db with the following name.
112static const char* FLAGS_db = nullptr;
113
114namespace leveldb {
115
116namespace {
117leveldb::Env* g_env = nullptr;
118
119// Helper for quickly generating random data.
120class RandomGenerator {
121 private:
122  std::string data_;
123  int pos_;
124
125 public:
126  RandomGenerator() {
127    // We use a limited amount of data over and over again and ensure
128    // that it is larger than the compression window (32KB), and also
129    // large enough to serve all typical value sizes we want to write.
130    Random rnd(301);
131    std::string piece;
132    while (data_.size() < 1048576) {
133      // Add a short fragment that is as compressible as specified
134      // by FLAGS_compression_ratio.
135      test::CompressibleString(&rnd, FLAGS_compression_ratio, 100, &piece);
136      data_.append(piece);
137    }
138    pos_ = 0;
139  }
140
141  Slice Generate(size_t len) {
142    if (pos_ + len > data_.size()) {
143      pos_ = 0;
144      assert(len < data_.size());
145    }
146    pos_ += len;
147    return Slice(data_.data() + pos_ - len, len);
148  }
149};
150
151#if defined(__linux)
152static Slice TrimSpace(Slice s) {
153  size_t start = 0;
154  while (start < s.size() && isspace(s[start])) {
155    start++;
156  }
157  size_t limit = s.size();
158  while (limit > start && isspace(s[limit - 1])) {
159    limit--;
160  }
161  return Slice(s.data() + start, limit - start);
162}
163#endif
164
165static void AppendWithSpace(std::string* str, Slice msg) {
166  if (msg.empty()) return;
167  if (!str->empty()) {
168    str->push_back(' ');
169  }
170  str->append(msg.data(), msg.size());
171}
172
173class Stats {
174 private:
175  double start_;
176  double finish_;
177  double seconds_;
178  int done_;
179  int next_report_;
180  int64_t bytes_;
181  double last_op_finish_;
182  Histogram hist_;
183  std::string message_;
184
185 public:
186  Stats() { Start(); }
187
188  void Start() {
189    next_report_ = 100;
190    hist_.Clear();
191    done_ = 0;
192    bytes_ = 0;
193    seconds_ = 0;
194    message_.clear();
195    start_ = finish_ = last_op_finish_ = g_env->NowMicros();
196  }
197
198  void Merge(const Stats& other) {
199    hist_.Merge(other.hist_);
200    done_ += other.done_;
201    bytes_ += other.bytes_;
202    seconds_ += other.seconds_;
203    if (other.start_ < start_) start_ = other.start_;
204    if (other.finish_ > finish_) finish_ = other.finish_;
205
206    // Just keep the messages from one thread
207    if (message_.empty()) message_ = other.message_;
208  }
209
210  void Stop() {
211    finish_ = g_env->NowMicros();
212    seconds_ = (finish_ - start_) * 1e-6;
213  }
214
215  void AddMessage(Slice msg) { AppendWithSpace(&message_, msg); }
216
217  void FinishedSingleOp() {
218    if (FLAGS_histogram) {
219      double now = g_env->NowMicros();
220      double micros = now - last_op_finish_;
221      hist_.Add(micros);
222      if (micros > 20000) {
223        fprintf(stderr, "long op: %.1f micros%30s\r", micros, "");
224        fflush(stderr);
225      }
226      last_op_finish_ = now;
227    }
228
229    done_++;
230    if (done_ >= next_report_) {
231      if (next_report_ < 1000)
232        next_report_ += 100;
233      else if (next_report_ < 5000)
234        next_report_ += 500;
235      else if (next_report_ < 10000)
236        next_report_ += 1000;
237      else if (next_report_ < 50000)
238        next_report_ += 5000;
239      else if (next_report_ < 100000)
240        next_report_ += 10000;
241      else if (next_report_ < 500000)
242        next_report_ += 50000;
243      else
244        next_report_ += 100000;
245      fprintf(stderr, "... finished %d ops%30s\r", done_, "");
246      fflush(stderr);
247    }
248  }
249
250  void AddBytes(int64_t n) { bytes_ += n; }

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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