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diff --git a/src/contextswitch.c b/src/contextswitch.c
--- a/src/contextswitch.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/**
- * collectd - src/contextswitch.c
- * Copyright (C) 2009 Patrik Weiskircher
- * Copyright (C) 2010 Kimo Rosenbaum
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; only version 2 of the License is applicable.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Authors:
- * Patrik Weiskircher <weiskircher at inqnet.at>
- * Kimo Rosenbaum <http://github.com/kimor79>
- **/
-
-#include "collectd.h"
-#include "common.h"
-#include "plugin.h"
-
-#ifdef HAVE_SYS_SYSCTL_H
-# include <sys/sysctl.h>
-#endif
-
-#if HAVE_SYSCTLBYNAME
-/* no global variables */
-/* #endif HAVE_SYSCTLBYNAME */
-
-#elif KERNEL_LINUX
-/* 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_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "contextswitch", sizeof (vl.plugin));
- sstrncpy (vl.type, "contextswitch", sizeof (vl.type));
-
- plugin_dispatch_values (&vl);
-}
-
-static int cs_read (void)
-{
-#if HAVE_SYSCTLBYNAME
- int value = 0;
- size_t value_len = sizeof (value);
- int status;
-
- status = sysctlbyname ("vm.stats.sys.v_swtch",
- &value, &value_len,
- /* new pointer = */ NULL, /* new length = */ 0);
- if (status != 0)
- {
- ERROR("contextswitch plugin: sysctlbyname "
- "(vm.stats.sys.v_swtch) failed");
- return (-1);
- }
-
- cs_submit (value);
-/* #endif HAVE_SYSCTLBYNAME */
-
-#elif KERNEL_LINUX
- FILE *fh;
- char buffer[64];
- int numfields;
- char *fields[3];
- derive_t result = 0;
- int status = -2;
-
- fh = fopen ("/proc/stat", "r");
- if (fh == NULL) {
- ERROR ("contextswitch plugin: unable to open /proc/stat: %s",
- sstrerror (errno, buffer, sizeof (buffer)));
- return (-1);
- }
-
- while (fgets(buffer, sizeof(buffer), fh) != NULL)
- {
- char *endptr;
-
- numfields = strsplit(buffer, fields, STATIC_ARRAY_SIZE (fields));
- if (numfields != 2)
- continue;
-
- if (strcmp("ctxt", fields[0]) != 0)
- continue;
-
- errno = 0;
- endptr = NULL;
- result = (derive_t) strtoll (fields[1], &endptr, /* base = */ 10);
- if ((endptr == fields[1]) || (errno != 0)) {
- ERROR ("contextswitch plugin: Cannot parse ctxt value: %s",
- fields[1]);
- status = -1;
- break;
- }
-
- cs_submit(result);
- status = 0;
- break;
- }
- fclose(fh);
-
- if (status == -2)
- ERROR ("contextswitch plugin: Unable to find context switch value.");
-/* #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;
-}
-
-void module_register (void)
-{
- plugin_register_read ("contextswitch", cs_read);
-} /* void module_register */