From 83dc5908c207bc0ff4256eb862f6a211ad5596ec Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Mon, 20 Oct 2014 15:34:59 -0400
Subject: [PATCH] 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.
---
contrib/pg_test_fsync/pg_test_fsync.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/contrib/pg_test_fsync/pg_test_fsync.c b/contrib/pg_test_fsync/pg_test_fsync.c
index 842295ae3d9..3352f046dca 100644
--- a/contrib/pg_test_fsync/pg_test_fsync.c
+++ b/contrib/pg_test_fsync/pg_test_fsync.c
@@ -23,9 +23,9 @@
#define XLOG_BLCKSZ_K (XLOG_BLCKSZ / 1024)
-#define LABEL_FORMAT " %-32s"
+#define LABEL_FORMAT " %-30s"
#define NA_FORMAT "%20s"
-#define OPS_FORMAT "%11.3f ops/sec %6.0f usecs/op"
+#define OPS_FORMAT "%13.3f ops/sec %6.0f usecs/op"
#define USECS_SEC 1000000
/* These are macros to avoid timing the function call overhead. */
@@ -242,8 +242,7 @@ test_sync(int writes_per_op)
printf("\nCompare file sync methods using one %dkB write:\n", XLOG_BLCKSZ_K);
else
printf("\nCompare file sync methods using two %dkB writes:\n", XLOG_BLCKSZ_K);
- printf("(in wal_sync_method preference order, except fdatasync\n");
- printf("is Linux's default)\n");
+ printf("(in wal_sync_method preference order, except fdatasync is Linux's default)\n");
/*
* Test open_datasync if available
@@ -398,8 +397,8 @@ static void
test_open_syncs(void)
{
printf("\nCompare open_sync with different write sizes:\n");
- printf("(This is designed to compare the cost of writing 16kB\n");
- printf("in different write open_sync sizes.)\n");
+ printf("(This is designed to compare the cost of writing 16kB in different write\n"
+ "open_sync sizes.)\n");
test_open_sync(" 1 * 16kB open_sync write", 16);
test_open_sync(" 2 * 8kB open_sync writes", 8);
@@ -459,8 +458,8 @@ test_file_descriptor_sync(void)
* on platforms which support it.
*/
printf("\nTest if fsync on non-write file descriptor is honored:\n");
- printf("(If the times are similar, fsync() can sync data written\n");
- printf("on a different descriptor.)\n");
+ printf("(If the times are similar, fsync() can sync data written on a different\n"
+ "descriptor.)\n");
/*
* first write, fsync and close, which is the normal behavior without
@@ -524,7 +523,7 @@ test_non_sync(void)
/*
* Test a simple write without fsync
*/
- printf("\nNon-Sync'ed %dkB writes:\n", XLOG_BLCKSZ_K);
+ printf("\nNon-sync'ed %dkB writes:\n", XLOG_BLCKSZ_K);
printf(LABEL_FORMAT, "write");
fflush(stdout);
--
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