sysinfo for FreeBSD

HISTORY

@@ -1,5 +1,5 @@
 
-Version 1.24  2016-01-27
+Version 1.24  2016-01-28
   * php extension compiled on PHP 7
   * add skiplist which support stable sort
   * make.sh: use sed to replace perl
@@ -10,6 +10,7 @@ Version 1.24  2016-01-27
   * ini_file_reader add iniGetSectionNames and iniGetSectionItems
   * add fast_blocked_queue.[hc]
   * iovent bug fixed for FreeBSD
+  * sysinfo for FreeBSD
 
 Version 1.23  2015-11-16
   * sched_thread.c: task can execute in a new thread

src/system_info.c

@@ -31,6 +31,7 @@
 #ifdef OS_FREEBSD
 #include <sys/sysctl.h>
 #include <sys/ucred.h>
+#include <sys/vmmeter.h>
 #endif
 #endif
 
@@ -618,6 +619,92 @@ int get_processes(struct fast_process_info **processes, int *count)
     *count = nproc;
     return 0;
 }
+
+int sysinfo(struct sysinfo *info)
+{
+	time_t uptime;
+        int mib[4];
+        size_t size;
+	struct loadavg loads;
+	struct vmtotal vm;
+	struct xsw_usage sw_usage;
+
+	memset(info, 0, sizeof(struct sysinfo));
+	get_uptime(&uptime);
+	info->uptime = uptime;
+
+	mib[0] = CTL_VM;
+	mib[1] = VM_LOADAVG;
+	size = sizeof(loads);
+	if (sysctl(mib, 2, &loads, &size, NULL, 0) != 0)
+	{
+		logError("file: "__FILE__", line: %d, " \
+				"call sysctl  fail, " \
+				"errno: %d, error info: %s", \
+				__LINE__, errno, STRERROR(errno));
+	}
+	else if (loads.fscale > 0)
+	{
+		info->loads[0] = loads.ldavg[0] / loads.fscale;
+		info->loads[1] = loads.ldavg[1] / loads.fscale;
+		info->loads[2] = loads.ldavg[2] / loads.fscale;
+	}
+
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_PROC;
+	mib[2] = KERN_PROC_ALL;
+	mib[3] =  0;
+	size = 0;
+	if (sysctl(mib, 4, NULL, &size, NULL, 0) != 0)
+	{
+		logError("file: "__FILE__", line: %d, " \
+			"call sysctl  fail, " \
+			"errno: %d, error info: %s", \
+			__LINE__, errno, STRERROR(errno));
+	}
+	else
+	{
+		info->procs = size / sizeof(struct kinfo_proc);
+	}
+
+	get_sys_total_mem_size((int64_t *)&info->totalram);
+
+	mib[0] = CTL_VM;
+	mib[1] = VM_METER;
+	size = sizeof(vm);
+	if (sysctl(mib, 2, &vm, &size, NULL, 0) != 0)
+	{
+		logError("file: "__FILE__", line: %d, " \
+			"call sysctl  fail, " \
+			"errno: %d, error info: %s", \
+			__LINE__, errno, STRERROR(errno));
+	}
+	else
+	{
+		info->freeram = vm.t_free;
+		info->sharedram = vm.t_rmshr;
+		//info->bufferram = vm.   //TODO:
+	}
+
+	mib[0] = CTL_VM;
+	mib[1] = VM_SWAPUSAGE;
+	size = sizeof(sw_usage);
+	if (sysctl(mib, 2, &sw_usage, &size, NULL, 0) != 0)
+	{
+		logError("file: "__FILE__", line: %d, " \
+			"call sysctl  fail, " \
+			"errno: %d, error info: %s", \
+			__LINE__, errno, STRERROR(errno));
+	}
+	else
+	{
+		info->totalswap = sw_usage.xsu_total;
+		info->freeswap = sw_usage.xsu_avail;
+	}
+
+	return 0;
+}
+
 #endif
 #endif
 

src/system_info.h

@@ -19,6 +19,10 @@
 #include <sys/mount.h>
 #include "common_define.h"
 
+#ifdef OS_LINUX
+#include <sys/sysinfo.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -47,6 +51,20 @@ extern "C" {
         char    f_mntonname[MNAMELEN];    /* directory on which mounted */
     } FastStatFS;
 
+#if defined(OS_FREEBSD)
+           struct sysinfo {
+               long uptime;             /* Seconds since boot */
+               unsigned long loads[3];  /* 1, 5, and 15 minute load averages */
+               unsigned long totalram;  /* Total usable main memory size */
+               unsigned long freeram;   /* Available memory size */
+               unsigned long sharedram; /* Amount of shared memory */
+               unsigned long bufferram; /* Memory used by buffers */
+               unsigned long totalswap; /* Total swap space size */
+               unsigned long freeswap;  /* swap space still available */
+               unsigned short procs;    /* Number of current processes */
+           };
+#endif
+
 #if defined(OS_LINUX) || defined(OS_FREEBSD)
    typedef struct fast_process_info {
        int field_count;  //field count in /proc/$pid/stat
@@ -137,6 +155,10 @@ int get_mounted_filesystems(struct fast_statfs *stats, const int size, int *coun
 int get_processes(struct fast_process_info **processes, int *count);
 #endif
 
+#if defined(OS_FREEBSD)
+int sysinfo(struct sysinfo *info);
+#endif
+
 #ifdef __cplusplus
 }
 #endif

src/tests/test_mblock.c

@@ -86,6 +86,8 @@ int main(int argc, char *argv[])
 #if defined(OS_LINUX) || defined(OS_FREEBSD)
     {
         FastProcessInfo *processes;
+	struct sysinfo info;
+
         get_processes(&processes, &count);
         printf("process count: %d\n", count);
         for (i=0; i<count; i++)
@@ -97,6 +99,19 @@ int main(int argc, char *argv[])
         {
             free(processes);
         }
+
+	if (sysinfo(&info) == 0)
+	{
+		printf("uptime: %ld\n", info.uptime);
+		printf("loads: %ld, %ld, %ld\n", info.loads[0], info.loads[1], info.loads[2]);
+		printf("totalram: %ld\n", info.totalram);
+		printf("freeram: %ld\n", info.freeram);
+		printf("sharedram: %ld\n", info.sharedram);
+		printf("bufferram: %ld\n", info.bufferram);
+		printf("totalswap: %ld\n", info.totalswap);
+		printf("freeswap: %ld\n", info.freeswap);
+		printf("procs: %d\n", info.procs);
+	}
     }
 #endif