X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fswap.c;h=fb50cf38bae32639361d3e4d1ae1aaa4a0348452;hb=b6fbfb1b864be53e71d755fba59d633f5c30da7e;hp=46d3534fcae818cd6fc286cd448d824ad22ccad8;hpb=c7b0f0b0267f2ab7c84eea8306f0a516f5b8f769;p=collectd.git

diff --git a/src/swap.c b/src/swap.c
index 46d3534f..fb50cf38 100644
--- a/src/swap.c
+++ b/src/swap.c
@@ -160,6 +160,8 @@ static int swap_init (void) /* {{{ */
 /* #endif defined(VM_SWAPUSAGE) */
 
 #elif HAVE_LIBKVM_GETSWAPINFO
+	char errbuf[_POSIX2_LINE_MAX];
+
 	if (kvm_obj != NULL)
 	{
 		kvm_close (kvm_obj);
@@ -168,14 +170,11 @@ static int swap_init (void) /* {{{ */
 
 	kvm_pagesize = getpagesize ();
 
-	if ((kvm_obj = kvm_open (NULL, /* execfile */
-					NULL, /* corefile */
-					NULL, /* swapfile */
-					O_RDONLY, /* flags */
-					NULL)) /* errstr */
-			== NULL)
+	kvm_obj = kvm_openfiles (NULL, "/dev/null", NULL, O_RDONLY, errbuf);
+
+	if (kvm_obj == NULL)
 	{
-		ERROR ("swap plugin: kvm_open failed.");
+		ERROR ("swap plugin: kvm_openfiles failed, %s", errbuf);
 		return (-1);
 	}
 /* #endif HAVE_LIBKVM_GETSWAPINFO */
@@ -339,7 +338,7 @@ static int swap_read_combined (void) /* {{{ */
 
 	fclose (fh);
 
-	if (have_data != 0x07)
+	if ((have_data & 0x03) != 0x03)
 		return (ENOENT);
 
 	if (isnan (swap_total)
@@ -351,7 +350,8 @@ static int swap_read_combined (void) /* {{{ */
 
 	swap_submit_gauge (NULL, "used",   1024.0 * swap_used);
 	swap_submit_gauge (NULL, "free",   1024.0 * swap_free);
-	swap_submit_gauge (NULL, "cached", 1024.0 * swap_cached);
+	if (have_data & 0x04)
+		swap_submit_gauge (NULL, "cached", 1024.0 * swap_cached);
 
 	return (0);
 } /* }}} int swap_read_combined */