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logd: per UID less aggressive 12.5% threshold 

Per-UID quota has a threshold of 12.5% of the total log size.
If less than that space is taken by the UID, then we
will not engage the pruning based on worst UID.

Change-Id: I9f15c9a26938f1115eb75e9c28ddb073e7680e06
This commit is contained in:
Mark Salyzyn 2015-04-20 15:36:12 -07:00
parent f75f16a1dd
commit d717d805d4
1 changed files with 9 additions and 2 deletions
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11
logd/LogBuffer.cpp
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@ -349,9 +349,16 @@ void LogBuffer::prune(log_id_t id, unsigned long pruneRows, uid_t caller_uid) {
if (sorted.get()) {
if (sorted[0] && sorted[1]) {
worst = sorted[0]->getKey();
worst_sizes = sorted[0]->getSizes();
second_worst_sizes = sorted[1]->getSizes();
// Calculate threshold as 12.5% of available storage
size_t threshold = log_buffer_size(id) / 8;
if (worst_sizes > threshold) {
worst = sorted[0]->getKey();
second_worst_sizes = sorted[1]->getSizes();
if (second_worst_sizes < threshold) {
second_worst_sizes = threshold;
}
}
}
}
}