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/TimeMachine.h b/services/mediametrics/TimeMachine.h
index a4c3693..75819ba 100644
--- a/services/mediametrics/TimeMachine.h
+++ b/services/mediametrics/TimeMachine.h
@@ -149,8 +149,11 @@
int32_t ll = lines;
for (auto& tsPair : mPropertyMap) {
if (ll <= 0) break;
- ss << dump(mKey, tsPair, time);
- --ll;
+ std::string s = dump(mKey, tsPair, time);
+ if (s.size() > 0) {
+ --ll;
+ ss << std::move(s);
+ }
}
return { ss.str(), lines - ll };
}
@@ -165,7 +168,7 @@
const auto timeSequence = tsPair.second;
auto eptr = timeSequence.lower_bound(time);
if (eptr == timeSequence.end()) {
- return tsPair.first + "={};\n";
+ return {}; // don't dump anything. tsPair.first + "={};\n";
}
std::stringstream ss;
ss << key << "." << tsPair.first << "={";
@@ -407,25 +410,23 @@
*
* \param lines the maximum number of lines in the string returned.
* \param key selects only that key.
- * \param time to start the dump from.
+ * \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 = INT32_MAX, const std::string &key = {}, int64_t time = 0) const {
+ int32_t lines = INT32_MAX, int64_t sinceNs = 0, const char *prefix = nullptr) const {
std::lock_guard lock(mLock);
- if (!key.empty()) { // use std::regex
- const auto it = mHistory.find(key);
- if (it == mHistory.end()) return {};
- std::lock_guard lock(getLockForKey(it->first));
- return it->second->dump(lines, time);
- }
-
std::stringstream ss;
int32_t ll = lines;
- for (const auto &[lkey, lhist] : mHistory) {
- std::lock_guard lock(getLockForKey(lkey));
- if (lines <= 0) break;
- auto [s, l] = lhist->dump(ll, time);
- ss << s;
+
+ for (auto it = prefix != nullptr ? mHistory.lower_bound(prefix) : mHistory.begin();
+ it != mHistory.end();
+ ++it) {
+ if (ll <= 0) break;
+ if (prefix != nullptr && !startsWith(it->first, prefix)) break;
+ std::lock_guard lock(getLockForKey(it->first));
+ auto [s, l] = it->second->dump(ll, sinceNs);
+ ss << std::move(s);
ll -= l;
}
return { ss.str(), lines - ll };