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Merge "Included metrics for LRU replacement."

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This commit is contained in:
Alex Dale
2019-12-18 18:38:34 +00:00
committed by Android (Google) Code Review
parent 8fce3e316b aa0d93bf36
commit 75ecbc4dd2
6 changed files with 74 additions and 3 deletions
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34
libwvdrmengine/cdm/core/src/usage_table_header.cpp
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@@ -280,10 +280,32 @@ CdmResponseType UsageTableHeader::AddEntry(
return status;
}
// Variables for metrics.
const size_t usage_info_count =
std::count_if(usage_entry_info_.cbegin(), usage_entry_info_.cend(),
[](const CdmUsageEntryInfo& usage_entry) {
return usage_entry.storage_type == kStorageUsageInfo;
});
const size_t license_count =
std::count_if(usage_entry_info_.cbegin(), usage_entry_info_.cend(),
[](const CdmUsageEntryInfo& usage_entry) {
return usage_entry.storage_type == kStorageLicense;
});
int64_t staleness_of_removed;
CdmUsageEntryStorageType storage_type_of_removed;
const int64_t current_time = GetCurrentTime();
for (size_t i = 0; i < removal_candidates.size() &&
status == INSUFFICIENT_CRYPTO_RESOURCES_3;
++i) {
const uint32_t entry_number_to_delete = removal_candidates[i];
// Calculate metric values.
staleness_of_removed =
current_time -
usage_entry_info_[entry_number_to_delete].last_use_time;
storage_type_of_removed =
usage_entry_info_[entry_number_to_delete].storage_type;
if (DeleteEntry(entry_number_to_delete, file_handle_.get(), metrics) ==
NO_ERROR) {
// If the entry was deleted, it is still possible for the create new
@@ -297,6 +319,18 @@ CdmResponseType UsageTableHeader::AddEntry(
}
}
status = crypto_session->CreateUsageEntry(usage_entry_number);
// Record metrics on success.
if (status == NO_ERROR) {
metrics->usage_table_header_lru_usage_info_count_.Record(
usage_info_count);
metrics->usage_table_header_lru_offline_license_count_.Record(
license_count);
metrics->usage_table_header_lru_evicted_entry_staleness_.Record(
staleness_of_removed);
metrics->usage_table_header_lru_evicted_entry_type_.Record(
static_cast<int>(storage_type_of_removed));
}
}
}