From d4195dfbd9a1616ca1349150ec2496903b690b31 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Manuel=20Luis=20Sanmart=C3=ADn=20Rozada?=
 <manuel.luis@gmail.com>
Date: Wed, 5 Sep 2012 13:48:03 +0200
Subject: [PATCH] AIX suport in contextswitch plugin.

---
 configure.in        |  1 +
 src/contextswitch.c | 24 +++++++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 50f5fd5a..fec588da 100644
--- a/configure.in
+++ b/configure.in
@@ -4637,6 +4637,7 @@ fi
 if test "x$with_perfstat" = "xyes"
 then
 	plugin_cpu="yes"
+	plugin_contextswitch="yes"
 	plugin_disk="yes"
 	plugin_memory="yes"
 	plugin_swap="yes"
diff --git a/src/contextswitch.c b/src/contextswitch.c
index c207318f..d3e6fe63 100644
--- a/src/contextswitch.c
+++ b/src/contextswitch.c
@@ -37,6 +37,11 @@
 /* no global variables */
 /* #endif KERNEL_LINUX */
 
+#elif HAVE_PERFSTAT
+# include <sys/protosw.h>
+# include <libperfstat.h>
+/* #endif HAVE_PERFSTAT */
+
 #else
 # error "No applicable input method."
 #endif
@@ -121,7 +126,24 @@ static int cs_read (void)
 
 	if (status == -2)
 		ERROR ("contextswitch plugin: Unable to find context switch value.");
-#endif /* KERNEL_LINUX */
+/* #endif  KERNEL_LINUX */
+
+#elif HAVE_PERFSTAT
+	int status = 0;
+	perfstat_cpu_total_t perfcputotal;
+
+	status = perfstat_cpu_total(NULL, &perfcputotal, sizeof(perfstat_cpu_total_t), 1);
+	if (status < 0);
+	{
+		char errbuf[1024];
+		ERROR ("contextswitch plugin: perfstat_cpu_total: %s",
+			sstrerror (errno, errbuf, sizeof (errbuf)));
+		return (-1);
+	}
+
+	cs_submit(perfcputotal.pswitch);
+	return (0);
+#endif /* defined(HAVE_PERFSTAT) */
 
 	return status;
 }
-- 
2.30.2