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mdbx-test: output b+trees depths from 'hill' testcase.

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Change-Id: I69451096186bf35ee5816f6c7f5a101781f58214
This commit is contained in:
Leonid Yuriev 2020-05-23 15:11:58 +03:00
parent 5cc1cb3f87
commit f7aac55374
1 changed files with 41 additions and 0 deletions
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41
test/hill.cc
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@ -232,6 +232,47 @@ bool testcase_hill::run() {
}
}
if (txn_guard) {
MDBX_stat stat;
err = mdbx_dbi_stat(txn_guard.get(), dbi, &stat, sizeof(stat));
if (unlikely(err != MDBX_SUCCESS))
failure_perror("mdbx_dbi_stat()", err);
uint32_t nested_deepmask;
err = mdbx_dbi_dupsort_depthmask(txn_guard.get(), dbi, &nested_deepmask);
if (unlikely(err != MDBX_SUCCESS && err != MDBX_RESULT_TRUE))
failure_perror("mdbx_dbi_stat_nested_deepmask()", err);
if (err != MDBX_SUCCESS) {
log_notice("hill: reached %d tree depth", stat.ms_depth);
} else {
std::string str;
int prev = -2, i = 0;
do {
while (!(nested_deepmask & 1))
++i, nested_deepmask >>= 1;
if (prev + 1 == i) {
if (str.back() != '-')
str.push_back('-');
prev = i;
continue;
}
if (!str.empty()) {
if (str.back() == '-')
str.append(std::to_string(prev));
str.push_back(',');
}
str.append(std::to_string(i));
prev = i;
} while (++i, nested_deepmask >>= 1);
if (str.back() == '-')
str.append(std::to_string(prev));
log_notice("hill: reached %d tree depth & %s sub-tree depth(s)",
stat.ms_depth, str.c_str());
}
}
while (serial_count > 1) {
if (unlikely(!keyvalue_maker.increment(serial_count, -2)))
failure("downhill: unexpected key-space underflow");