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Commit 5a02a9ba authored by Matthew Duggan's avatar Matthew Duggan
Browse files

storaged: Avoid divide-by-zero in performance measurement 

The code previously assumed that write() took a non-zero number of clock
ticks.  This is mostly true, but can't be guaranteed.  Add a check to
avoid crashing if it's 0.

Bug: 233008287
Test: Compile
Change-Id: Idec0052f534dc4abb81a414ca76f6c11f4a4dded
parent 3a728ac7

storaged/storaged.cpp

+1 −1
Original line number Diff line number Diff line
@@ -333,7 +333,7 @@ void storaged_t::flush_proto_data(userid_t user_id, 
            first_write = false;

        }



        if (benchmark_size) {

        if (benchmark_size && benchmark_time_ns) {

            int perf = benchmark_size * 1000000LLU / benchmark_time_ns;

            storage_info->update_perf_history(perf, system_clock::now());

        }