contrib/docker: add LD_PRELOAD wrapper to fopen/open/opendir syscalls

[collectd.git] / src / contextswitch.c

diff --git a/src/contextswitch.c b/src/contextswitch.c
index c207318..834fbd7 100644 (file)
--- a/src/contextswitch.c
+++ b/src/contextswitch.c
@@ -22,6 +22,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 
@@ -37,20 +38,21 @@
 /* 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
 
 static void cs_submit (derive_t context_switches)
 {
-       value_t values[1];
        value_list_t vl = VALUE_LIST_INIT;
 
-       values[0].derive = (derive_t) context_switches;
-
-       vl.values = values;
+       vl.values = &(value_t) { .derive = context_switches };
        vl.values_len = 1;
-       sstrncpy (vl.host, hostname_g, sizeof (vl.host));
        sstrncpy (vl.plugin, "contextswitch", sizeof (vl.plugin));
        sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
 
@@ -121,7 +123,24 @@ 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);
+       status = 0;
+#endif /* defined(HAVE_PERFSTAT) */
 
        return status;
 }