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Add microsecs/op display to pg_test_fsync utility
e.g. fsync 2103.613 ops/sec ( 475 microsecs/op) Peter Geoghegan
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@ -25,7 +25,8 @@
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#define LABEL_FORMAT " %-32s"
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#define NA_FORMAT "%18s"
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#define OPS_FORMAT "%9.3f ops/sec"
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#define OPS_FORMAT "%9.3f ops/sec (%6.f microsecs/op)"
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#define USECS_SEC 1000000
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/* These are macros to avoid timing the function call overhead. */
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#ifndef WIN32
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@ -568,8 +569,9 @@ print_elapse(struct timeval start_t, struct timeval stop_t, int ops)
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double total_time = (stop_t.tv_sec - start_t.tv_sec) +
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(stop_t.tv_usec - start_t.tv_usec) * 0.000001;
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double per_second = ops / total_time;
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double avg_op_time_us = (total_time / ops) * USECS_SEC;
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printf(OPS_FORMAT "\n", per_second);
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printf(OPS_FORMAT "\n", per_second, avg_op_time_us);
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}
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#ifndef WIN32
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