logd: Add control statistics enable/disable.
- ro.build.type=user turn off statistics
- ro.config.low_ram=true turn off statistics
- logd.statistics override
Bug: 17526159
Bug: 17526187
Change-Id: I74796043ac34753c6dd10018719ebc0bcd94e00f
diff --git a/logd/LogStatistics.cpp b/logd/LogStatistics.cpp
index b887ce9..baf15fe 100644
--- a/logd/LogStatistics.cpp
+++ b/logd/LogStatistics.cpp
@@ -384,7 +384,8 @@
}
LogStatistics::LogStatistics()
- : dgramQlenStatistics(false)
+ : mStatistics(false)
+ , dgramQlenStatistics(false)
, start(CLOCK_MONOTONIC) {
log_id_for_each(i) {
mSizes[i] = 0;
@@ -455,6 +456,9 @@
log_id_t log_id, uid_t uid, pid_t pid) {
mSizes[log_id] += size;
++mElements[log_id];
+ if (!mStatistics) {
+ return;
+ }
id(log_id).add(size, uid, pid);
}
@@ -462,6 +466,9 @@
log_id_t log_id, uid_t uid, pid_t pid) {
mSizes[log_id] -= size;
--mElements[log_id];
+ if (!mStatistics) {
+ return;
+ }
id(log_id).subtract(size, uid, pid);
}
@@ -545,25 +552,28 @@
spaces = 1;
log_time t(CLOCK_MONOTONIC);
- unsigned long long d = t.nsec() - start.nsec();
- string.appendFormat("\nTotal%4llu:%02llu:%02llu.%09llu",
+ unsigned long long d;
+ if (mStatistics) {
+ d = t.nsec() - start.nsec();
+ string.appendFormat("\nTotal%4llu:%02llu:%02llu.%09llu",
d / NS_PER_SEC / 60 / 60, (d / NS_PER_SEC / 60) % 60,
(d / NS_PER_SEC) % 60, d % NS_PER_SEC);
- log_id_for_each(i) {
- if (!(logMask & (1 << i))) {
- continue;
+ log_id_for_each(i) {
+ if (!(logMask & (1 << i))) {
+ continue;
+ }
+ oldLength = string.length();
+ if (spaces < 0) {
+ spaces = 0;
+ }
+ string.appendFormat("%*s%zu/%zu", spaces, "",
+ sizesTotal(i), elementsTotal(i));
+ spaces += spaces_total + oldLength - string.length();
}
- oldLength = string.length();
- if (spaces < 0) {
- spaces = 0;
- }
- string.appendFormat("%*s%zu/%zu", spaces, "",
- sizesTotal(i), elementsTotal(i));
- spaces += spaces_total + oldLength - string.length();
+ spaces = 1;
}
- spaces = 1;
d = t.nsec() - oldest.nsec();
string.appendFormat("\nNow%6llu:%02llu:%02llu.%09llu",
d / NS_PER_SEC / 60 / 60, (d / NS_PER_SEC / 60) % 60,