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mdbx: рефакторинг mdbx_txn_commit_ex() 1/5 (переменование локальных timestamp-переменных).

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Леонид Юрьев (Leonid Yuriev) 2025-01-07 17:20:51 +03:00
parent 6fe7baa1b8
commit 2b9401e372
1 changed files with 21 additions and 21 deletions
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42
src/api-txn.c
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@ -272,8 +272,8 @@ int mdbx_txn_begin_ex(MDBX_env *env, MDBX_txn *parent, MDBX_txn_flags_t flags, M
int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
STATIC_ASSERT(MDBX_TXN_FINISHED == MDBX_TXN_BLOCKED - MDBX_TXN_HAS_CHILD - MDBX_TXN_ERROR - MDBX_TXN_PARKED);
const uint64_t ts_0 = latency ? osal_monotime() : 0;
uint64_t ts_1 = 0, ts_2 = 0, ts_3 = 0, ts_4 = 0, ts_5 = 0, gc_cputime = 0;
const uint64_t ts_start = latency ? osal_monotime() : 0;
uint64_t ts_prep = 0, ts_gc = 0, ts_audit = 0, ts_write = 0, ts_sync = 0, gc_cputime = 0;
/* txn_end() mode for a commit which writes nothing */
unsigned end_mode = TXN_END_PURE_COMMIT | TXN_END_UPDATE | TXN_END_SLOT | TXN_END_FREE;
@ -426,11 +426,11 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
}
if (latency) {
ts_1 = osal_monotime();
ts_2 = /* no gc-update */ ts_1;
ts_3 = /* no audit */ ts_2;
ts_4 = /* no write */ ts_3;
ts_5 = /* no sync */ ts_4;
ts_prep = osal_monotime();
ts_gc = /* no gc-update */ ts_prep;
ts_audit = /* no audit */ ts_gc;
ts_write = /* no write */ ts_audit;
ts_sync = /* no sync */ ts_write;
}
txn_merge(parent, txn, parent_retired_len);
env->txn = parent;
@ -511,7 +511,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
txn->cursors[MAIN_DBI] = cx.outer.next;
}
ts_1 = latency ? osal_monotime() : 0;
ts_prep = latency ? osal_monotime() : 0;
gcu_t gcu_ctx;
gc_cputime = latency ? osal_cputime(nullptr) : 0;
@ -528,11 +528,11 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
txn->dbs[MAIN_DBI].mod_txnid = (txn->dbi_state[MAIN_DBI] & DBI_DIRTY) ? txn->txnid : txn->dbs[MAIN_DBI].mod_txnid;
ts_2 = latency ? osal_monotime() : 0;
ts_3 = ts_2;
ts_gc = latency ? osal_monotime() : 0;
ts_audit = ts_gc;
if (AUDIT_ENABLED()) {
rc = audit_ex(txn, MDBX_PNL_GETSIZE(txn->tw.retired_pages), true);
ts_3 = osal_monotime();
ts_audit = osal_monotime();
if (unlikely(rc != MDBX_SUCCESS))
goto fail;
}
@ -617,7 +617,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
}
/* TODO: use ctx.flush_begin & ctx.flush_end for range-sync */
ts_4 = latency ? osal_monotime() : 0;
ts_write = latency ? osal_monotime() : 0;
meta_t meta;
memcpy(meta.magic_and_version, head.ptr_c->magic_and_version, 8);
@ -644,7 +644,7 @@ int mdbx_txn_commit_ex(MDBX_txn *txn, MDBX_commit_latency *latency) {
rc = dxb_sync_locked(env, env->flags | txn->flags | txn_shrink_allowed, &meta, &txn->tw.troika);
ts_5 = latency ? osal_monotime() : 0;
ts_sync = latency ? osal_monotime() : 0;
if (unlikely(rc != MDBX_SUCCESS)) {
env->flags |= ENV_FATAL_ERROR;
ERROR("txn-%s: error %d", "sync", rc);
@ -660,15 +660,15 @@ done:
provide_latency:
if (latency) {
latency->preparation = ts_1 ? osal_monotime_to_16dot16(ts_1 - ts_0) : 0;
latency->gc_wallclock = (ts_2 > ts_1) ? osal_monotime_to_16dot16(ts_2 - ts_1) : 0;
latency->preparation = ts_prep ? osal_monotime_to_16dot16(ts_prep - ts_start) : 0;
latency->gc_wallclock = (ts_gc > ts_prep) ? osal_monotime_to_16dot16(ts_gc - ts_prep) : 0;
latency->gc_cputime = gc_cputime ? osal_monotime_to_16dot16(gc_cputime) : 0;
latency->audit = (ts_3 > ts_2) ? osal_monotime_to_16dot16(ts_3 - ts_2) : 0;
latency->write = (ts_4 > ts_3) ? osal_monotime_to_16dot16(ts_4 - ts_3) : 0;
latency->sync = (ts_5 > ts_4) ? osal_monotime_to_16dot16(ts_5 - ts_4) : 0;
const uint64_t ts_6 = osal_monotime();
latency->ending = ts_5 ? osal_monotime_to_16dot16(ts_6 - ts_5) : 0;
latency->whole = osal_monotime_to_16dot16_noUnderflow(ts_6 - ts_0);
latency->audit = (ts_audit > ts_gc) ? osal_monotime_to_16dot16(ts_audit - ts_gc) : 0;
latency->write = (ts_write > ts_audit) ? osal_monotime_to_16dot16(ts_write - ts_audit) : 0;
latency->sync = (ts_sync > ts_write) ? osal_monotime_to_16dot16(ts_sync - ts_write) : 0;
const uint64_t ts_end = osal_monotime();
latency->ending = ts_sync ? osal_monotime_to_16dot16(ts_end - ts_sync) : 0;
latency->whole = osal_monotime_to_16dot16_noUnderflow(ts_end - ts_start);
}
return LOG_IFERR(rc);