pg_test_fsync: Update output format
Apparently, computers are now a bit faster than when this was first added, so we need to make room for a digit or two in the ops/sec format. While we're at it, adjust some of the other output for a more consistent line length.
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@ -23,9 +23,9 @@
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#define XLOG_BLCKSZ_K (XLOG_BLCKSZ / 1024)
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#define XLOG_BLCKSZ_K (XLOG_BLCKSZ / 1024)
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#define LABEL_FORMAT " %-32s"
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#define LABEL_FORMAT " %-30s"
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#define NA_FORMAT "%20s"
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#define NA_FORMAT "%20s"
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#define OPS_FORMAT "%11.3f ops/sec %6.0f usecs/op"
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#define OPS_FORMAT "%13.3f ops/sec %6.0f usecs/op"
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#define USECS_SEC 1000000
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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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/* These are macros to avoid timing the function call overhead. */
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@ -242,8 +242,7 @@ test_sync(int writes_per_op)
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printf("\nCompare file sync methods using one %dkB write:\n", XLOG_BLCKSZ_K);
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printf("\nCompare file sync methods using one %dkB write:\n", XLOG_BLCKSZ_K);
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else
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else
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printf("\nCompare file sync methods using two %dkB writes:\n", XLOG_BLCKSZ_K);
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printf("\nCompare file sync methods using two %dkB writes:\n", XLOG_BLCKSZ_K);
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printf("(in wal_sync_method preference order, except fdatasync\n");
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printf("(in wal_sync_method preference order, except fdatasync is Linux's default)\n");
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printf("is Linux's default)\n");
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/*
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/*
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* Test open_datasync if available
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* Test open_datasync if available
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@ -398,8 +397,8 @@ static void
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test_open_syncs(void)
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test_open_syncs(void)
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{
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{
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printf("\nCompare open_sync with different write sizes:\n");
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printf("\nCompare open_sync with different write sizes:\n");
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printf("(This is designed to compare the cost of writing 16kB\n");
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printf("(This is designed to compare the cost of writing 16kB in different write\n"
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printf("in different write open_sync sizes.)\n");
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"open_sync sizes.)\n");
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test_open_sync(" 1 * 16kB open_sync write", 16);
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test_open_sync(" 1 * 16kB open_sync write", 16);
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test_open_sync(" 2 * 8kB open_sync writes", 8);
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test_open_sync(" 2 * 8kB open_sync writes", 8);
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@ -459,8 +458,8 @@ test_file_descriptor_sync(void)
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* on platforms which support it.
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* on platforms which support it.
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*/
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*/
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printf("\nTest if fsync on non-write file descriptor is honored:\n");
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printf("\nTest if fsync on non-write file descriptor is honored:\n");
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printf("(If the times are similar, fsync() can sync data written\n");
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printf("(If the times are similar, fsync() can sync data written on a different\n"
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printf("on a different descriptor.)\n");
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"descriptor.)\n");
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/*
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/*
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* first write, fsync and close, which is the normal behavior without
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* first write, fsync and close, which is the normal behavior without
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@ -524,7 +523,7 @@ test_non_sync(void)
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/*
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/*
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* Test a simple write without fsync
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* Test a simple write without fsync
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*/
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*/
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printf("\nNon-Sync'ed %dkB writes:\n", XLOG_BLCKSZ_K);
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printf("\nNon-sync'ed %dkB writes:\n", XLOG_BLCKSZ_K);
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printf(LABEL_FORMAT, "write");
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printf(LABEL_FORMAT, "write");
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fflush(stdout);
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fflush(stdout);
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