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-rw-r--r--src/pmdas/solaris/kvm.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/pmdas/solaris/kvm.c b/src/pmdas/solaris/kvm.c
new file mode 100644
index 0000000..5aa674a
--- /dev/null
+++ b/src/pmdas/solaris/kvm.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2009 Max Matveev. All Rights Reserved
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <kvm.h>
+#include <nlist.h>
+
+#include "common.h"
+
+
+static kvm_t *kvm;
+struct nlist kvm_names[] = {
+ {.n_name = "fsf_total"},
+ {.n_name = NULL}
+};
+
+fsf_stat_t s = {0};
+static int fresh;
+
+void
+kvm_init(int ignore)
+{
+ kvm = kvm_open(NULL, NULL, NULL, O_RDONLY, "pmdasolaris");
+ if (kvm && kvm_nlist(kvm, kvm_names))
+ fprintf(stderr, "Cannot extract addresses\n");
+}
+
+void
+kvm_refresh(void)
+{
+ fresh = kvm &&
+ (kvm_kread(kvm, kvm_names[0].n_value, &s, sizeof(s)) == sizeof(s));
+}
+
+int
+kvm_fetch(pmdaMetric *pm, int inst, pmAtomValue *v)
+{
+ metricdesc_t *md = pm->m_user;
+ char *p = (char *)&s;
+
+ if (!fresh)
+ return 0;
+
+ memcpy(&v->ull, p + md->md_offset, sizeof(v->ull));
+ return 1;
+}