MediaMetrics: Update dumpsys parameters
Make --prefix and --since work for analytics.
Test: adb shell dumpsys media.metrics --all
Test: adb shell dumpsys media.metrics --clear
Test: adb shell dumpsys media.metrics --heap
Test: adb shell dumpsys media.metrics --help
Test: adb shell dumpsys media.metrics --prefix c
Test: adb shell dumpsys media.metrics --prefix audio.volume
Test: adb shell dumpsys media.metrics --since -100
Test: adb shell dumpsys media.metrics --unreachable
Bug: 149850236
Change-Id: Id3e0cb6fe789027b5d5c86cce93ce07f636736bf
diff --git a/services/mediametrics/TransactionLog.h b/services/mediametrics/TransactionLog.h
index 190a99e..2359eec 100644
--- a/services/mediametrics/TransactionLog.h
+++ b/services/mediametrics/TransactionLog.h
@@ -127,8 +127,11 @@
* for subsequent line limiting.
*
* \param lines the maximum number of lines in the string returned.
+ * \param sinceNs the nanoseconds since Unix epoch to start dump (0 shows all)
+ * \param prefix the desired key prefix to match (nullptr shows all)
*/
- std::pair<std::string, int32_t> dump(int32_t lines) const {
+ std::pair<std::string, int32_t> dump(
+ int32_t lines, int64_t sinceNs, const char *prefix = nullptr) const {
std::stringstream ss;
int32_t ll = lines;
std::lock_guard lock(mLock);
@@ -138,26 +141,25 @@
ss << "Consolidated:\n";
--ll;
}
- for (const auto &log : mLog) {
- if (ll <= 0) break;
- ss << " " << log.second->toString() << "\n";
- --ll;
- }
+ auto [s, l] = dumpMapTimeItem(mLog, ll, sinceNs, prefix);
+ ss << std::move(s);
+ ll -= l;
// Grouped by item key (category)
if (ll > 0) {
ss << "Categorized:\n";
--ll;
}
- for (const auto &itemMap : mItemMap) {
+
+ for (auto it = prefix != nullptr ? mItemMap.lower_bound(prefix) : mItemMap.begin();
+ it != mItemMap.end();
+ ++it) {
if (ll <= 0) break;
- ss << " " << itemMap.first << "\n";
- --ll;
- for (const auto &item : itemMap.second) {
- if (ll <= 0) break;
- ss << " " << item.second->toString() << "\n";
- --ll;
- }
+ if (prefix != nullptr && !startsWith(it->first, prefix)) break;
+ auto [s, l] = dumpMapTimeItem(it->second, ll - 1, sinceNs, prefix);
+ if (l == 0) continue; // don't show empty groups (due to sinceNs).
+ ss << " " << it->first << "\n" << std::move(s);
+ ll -= l + 1;
}
return { ss.str(), lines - ll };
}
@@ -184,6 +186,24 @@
using MapTimeItem =
std::multimap<int64_t /* time */, std::shared_ptr<const mediametrics::Item>>;
+ static std::pair<std::string, int32_t> dumpMapTimeItem(
+ const MapTimeItem& mapTimeItem,
+ int32_t lines, int64_t sinceNs = 0, const char *prefix = nullptr) {
+ std::stringstream ss;
+ int32_t ll = lines;
+ // Note: for our data, mapTimeItem.lower_bound(0) == mapTimeItem.begin().
+ for (auto it = mapTimeItem.lower_bound(sinceNs);
+ it != mapTimeItem.end(); ++it) {
+ if (ll <= 0) break;
+ if (prefix != nullptr && !startsWith(it->second->getKey(), prefix)) {
+ continue;
+ }
+ ss << " " << it->second->toString() << "\n";
+ --ll;
+ }
+ return { ss.str(), lines - ll };
+ }
+
// GUARDED_BY mLock
/**
* Garbage collects if the TimeMachine size exceeds the high water mark.