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Commit b0672290 authored by Mark Salyzyn's avatar Mark Salyzyn
Browse files

logd: report last prune memory overhead 

An estimate based on chatty impact for all known pids, uids and tags
and per log id if applicable, calculate the maximum last pruned
watermark iterator map usage and add to the Total Overhead.

Test: Confirm that the Total Overhead change is negligable.
Bug: 31942525
Change-Id: Icd2e9bc0747c3376ca0e9c90aa110c103529d98f
parent 6d981af1

logd/LogStatistics.h

+8 −2
Original line number Diff line number Diff line
@@ -59,10 +59,12 @@ class LogHashtable { 


public:



    size_t size() const { return map.size(); }



    // Estimate unordered_map memory usage.

    size_t sizeOf() const {

        return sizeof(*this) +

               (map.size() * (sizeof(TEntry) + unordered_map_per_entry_overhead)) +

               (size() * (sizeof(TEntry) + unordered_map_per_entry_overhead)) +

               (bucket_size() * sizeof(size_t) + unordered_map_bucket_overhead);

    }
@@ -497,7 +499,9 @@ class LogStatistics { 


    size_t sizeOf() const {

        size_t size = sizeof(*this) + pidTable.sizeOf() + tidTable.sizeOf() +

                      tagTable.sizeOf() + securityTagTable.sizeOf();

                      tagTable.sizeOf() + securityTagTable.sizeOf() +

                      (pidTable.size() * sizeof(pidTable_t::iterator)) +

                      (tagTable.size() * sizeof(tagTable_t::iterator));

        for(auto it : pidTable) {

            const char* name = it.second.getName();

            if (name) size += strlen(name) + 1;
@@ -508,7 +512,9 @@ class LogStatistics { 
        }

        log_id_for_each(id) {

            size += uidTable[id].sizeOf();

            size += uidTable[id].size() * sizeof(uidTable_t::iterator);

            size += pidSystemTable[id].sizeOf();

            size += pidSystemTable[id].size() * sizeof(pidSystemTable_t::iterator);

        }

        return size;

    }