r11579: syncing up perf counter code cfrom trunk

[samba.git] / examples / perfcounter / perf_writer_mem.c

diff --git a/examples/perfcounter/perf_writer_mem.c b/examples/perfcounter/perf_writer_mem.c
new file mode 100644 (file)
index 0000000..1a9a3ca
--- /dev/null
+++ b/examples/perfcounter/perf_writer_mem.c
@@ -0,0 +1,125 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Performance Counter Daemon
+ *
+ *  Copyright (C) Marcin Krzysztof Porwit    2005
+ *  
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "perf.h"
+
+void get_meminfo(PERF_DATA_BLOCK *data)
+{
+    int status;
+    struct sysinfo info;
+    status = sysinfo(&info);
+    
+    data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024;
+    data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024;
+    data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024;
+    data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024;
+
+    /* Also get uptime since we have the structure */
+    data->PerfTime = (unsigned long)info.uptime;
+
+    return;
+}
+
+void init_memdata_desc(PERF_DATA_BLOCK *data)
+{
+    init_perf_counter(&(data->memInfo.memObjDesc),
+                     &(data->memInfo.memObjDesc),
+                     get_counter_id(data),
+                     "Memory",
+                     "The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.",
+                     0,
+                     PERF_OBJECT);
+    init_perf_counter(&(data->memInfo.availPhysKb),
+                     &(data->memInfo.memObjDesc),
+                     get_counter_id(data),
+                     "Available Physical Kilobytes",
+                     "Available Physical Kilobytes is the number of free kilobytes in physical memory",
+                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
+                     PERF_COUNTER);
+    init_perf_counter(&(data->memInfo.availSwapKb),
+                     &(data->memInfo.memObjDesc),
+                     get_counter_id(data),
+                     "Available Swap Kilobytes",
+                     "Available Swap Kilobytes is the number of free kilobytes in swap space",
+                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX,
+                     PERF_COUNTER);
+    init_perf_counter(&(data->memInfo.totalPhysKb),
+                     &(data->memInfo.memObjDesc),
+                     get_counter_id(data),
+                     "Total Physical Kilobytes",
+                     "Total Physical Kilobytes is a base counter",
+                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
+                     PERF_COUNTER);
+    init_perf_counter(&(data->memInfo.totalSwapKb),
+                     &(data->memInfo.memObjDesc),
+                     get_counter_id(data),
+                     "Total Swap Kilobytes",
+                     "Total Swap Kilobytes is a base counter",
+                     PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW,
+                     PERF_COUNTER);
+
+    return;
+}
+
+void init_mem_data(PERF_DATA_BLOCK *data)
+{
+    data->memInfo.data = calloc(1, sizeof(*data->memInfo.data));
+    if(!data->memInfo.data)
+    {
+       perror("init_memdata: out of memory");
+       exit(1);
+    }
+
+    init_memdata_desc(data);
+
+    get_meminfo(data);
+
+    return;
+}
+
+void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
+{
+    output_perf_desc(data->memInfo.memObjDesc, rt);
+    output_perf_desc(data->memInfo.availPhysKb, rt);
+    output_perf_desc(data->memInfo.availSwapKb, rt);
+    output_perf_desc(data->memInfo.totalPhysKb, rt);
+    output_perf_desc(data->memInfo.totalSwapKb, rt);
+
+    return;
+}
+
+void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
+{
+    output_perf_counter(data->memInfo.availPhysKb, 
+                       (unsigned long long)data->memInfo.data->availPhysKb, 
+                       rt, tdb_flags);
+    output_perf_counter(data->memInfo.availSwapKb, 
+                       (unsigned long long)data->memInfo.data->availSwapKb,
+                       rt, tdb_flags);
+    output_perf_counter(data->memInfo.totalPhysKb,
+                       (unsigned long long)data->memInfo.data->totalPhysKb,
+                       rt, tdb_flags);
+    output_perf_counter(data->memInfo.totalSwapKb,
+                       (unsigned long long)data->memInfo.data->totalSwapKb,
+                       rt, tdb_flags);
+
+    return;
+}