-/* Copyright (c) 2010, 2012, 2013 Nicira, Inc.
+/* Copyright (c) 2010, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/* #ifdefs make it a pain to maintain code: you have to try to build both ways.
* Thus, this file tries to compile as much of the code as possible regardless
- * of the target, by writing "if (LINUX_DATAPATH)" instead of "#ifdef
- * __linux__" where this is possible. */
-#ifdef LINUX_DATAPATH
+ * of the target, by writing "if (LINUX)" instead of "#ifdef __linux__" where
+ * this is possible. */
+#ifdef __linux__
+#define LINUX 1
#include <asm/param.h>
#else
-#define LINUX_DATAPATH 0
+#define LINUX 0
#endif
static void
get_cpu_cores(struct smap *stats)
{
- long int n_cores = sysconf(_SC_NPROCESSORS_ONLN);
+ long int n_cores = count_cpu_cores();
if (n_cores > 0) {
smap_add_format(stats, "cpu", "%ld", n_cores);
}
static unsigned int cached;
if (!cached) {
+#ifndef _WIN32
long int value = sysconf(_SC_PAGESIZE);
+#else
+ long int value;
+ SYSTEM_INFO sysinfo;
+ GetSystemInfo(&sysinfo);
+ value = sysinfo.dwPageSize;
+#endif
if (value >= 0) {
cached = value;
}
static void
get_memory_stats(struct smap *stats)
{
- if (!LINUX_DATAPATH) {
+ if (!LINUX) {
unsigned int pagesize = get_page_size();
#ifdef _SC_PHYS_PAGES
long int phys_pages = sysconf(_SC_PHYS_PAGES);
#endif
int mem_total, mem_used;
+#ifndef _WIN32
if (pagesize <= 0 || phys_pages <= 0 || avphys_pages <= 0) {
return;
}
mem_total = phys_pages * (pagesize / 1024);
mem_used = (phys_pages - avphys_pages) * (pagesize / 1024);
+#else
+ MEMORYSTATUS memory_status;
+ GlobalMemoryStatus(&memory_status);
+
+ mem_total = memory_status.dwTotalPhys;
+ mem_used = memory_status.dwTotalPhys - memory_status.dwAvailPhys;
+#endif
smap_add_format(stats, "memory", "%d,%d", mem_total, mem_used);
} else {
static const char file_name[] = "/proc/meminfo";
char key[16];
int value;
- if (sscanf(line, "%15[^:]: %u", key, &value) == 2) {
+ if (ovs_scan(line, "%15[^:]: %u", key, &value)) {
int *valuep = shash_find_data(&dict, key);
if (valuep) {
*valuep = value;
static long long int cache_expiration = LLONG_MIN;
static long long int boot_time;
- ovs_assert(LINUX_DATAPATH);
+ ovs_assert(LINUX);
if (time_msec() >= cache_expiration) {
static const char stat_file[] = "/proc/stat";
while (fgets(line, sizeof line, stream)) {
long long int btime;
- if (sscanf(line, "btime %lld", &btime) == 1) {
+ if (ovs_scan(line, "btime %lld", &btime)) {
boot_time = btime * 1000;
goto done;
}
static unsigned long long int
ticks_to_ms(unsigned long long int ticks)
{
- ovs_assert(LINUX_DATAPATH);
+ ovs_assert(LINUX);
#ifndef USER_HZ
#define USER_HZ 100
FILE *stream;
int n;
- ovs_assert(LINUX_DATAPATH);
+ ovs_assert(LINUX);
sprintf(file_name, "/proc/%lu/stat", (unsigned long int) pid);
stream = fopen(file_name, "r");
int crashes = 0;
FILE *stream;
- ovs_assert(LINUX_DATAPATH);
+ ovs_assert(LINUX);
sprintf(file_name, "/proc/%lu/cmdline", (unsigned long int) pid);
stream = fopen(file_name, "r");
paren = strchr(line, '(');
if (paren) {
int x;
- if (sscanf(paren + 1, "%d", &x) == 1) {
+ if (ovs_scan(paren + 1, "%d", &x)) {
crashes = x;
}
}
{
struct raw_process_info child;
- ovs_assert(LINUX_DATAPATH);
+ ovs_assert(LINUX);
if (!get_raw_process_info(pid, &child)) {
return false;
}
static void
get_process_stats(struct smap *stats)
{
+#ifndef _WIN32
struct dirent *de;
DIR *dir;
key = xasprintf("process_%.*s",
(int) (extension - de->d_name), de->d_name);
if (!smap_get(stats, key)) {
- if (LINUX_DATAPATH && get_process_info(pid, &pinfo)) {
+ if (LINUX && get_process_info(pid, &pinfo)) {
smap_add_format(stats, key, "%lu,%lu,%lld,%d,%lld,%lld",
pinfo.vsz, pinfo.rss, pinfo.cputime,
pinfo.crashes, pinfo.booted, pinfo.uptime);
}
closedir(dir);
+#endif /* _WIN32 */
}
static void
\f
#define SYSTEM_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
-static pthread_mutex_t mutex = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER;
+static struct ovs_mutex mutex = OVS_MUTEX_INITIALIZER;
static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-static struct latch latch;
+static struct latch latch OVS_GUARDED_BY(mutex);
static bool enabled;
-static bool started;
-static struct smap *system_stats;
+static bool started OVS_GUARDED_BY(mutex);
+static struct smap *system_stats OVS_GUARDED_BY(mutex);
static void *system_stats_thread_func(void *);
static void discard_stats(void);
system_stats_enable(bool enable)
{
if (enabled != enable) {
- xpthread_mutex_lock(&mutex);
+ ovs_mutex_lock(&mutex);
if (enable) {
if (!started) {
- xpthread_create(NULL, NULL, system_stats_thread_func, NULL);
+ ovs_thread_create("system_stats",
+ system_stats_thread_func, NULL);
latch_init(&latch);
started = true;
}
xpthread_cond_signal(&cond);
}
enabled = enable;
- xpthread_mutex_unlock(&mutex);
+ ovs_mutex_unlock(&mutex);
}
}
{
struct smap *stats = NULL;
- xpthread_mutex_lock(&mutex);
+ ovs_mutex_lock(&mutex);
if (system_stats) {
latch_poll(&latch);
discard_stats();
}
}
- xpthread_mutex_unlock(&mutex);
+ ovs_mutex_unlock(&mutex);
return stats;
}
}
static void
-discard_stats(void)
+discard_stats(void) OVS_REQUIRES(mutex)
{
if (system_stats) {
smap_destroy(system_stats);
long long int next_refresh;
struct smap *stats;
- xpthread_mutex_lock(&mutex);
+ ovs_mutex_lock(&mutex);
while (!enabled) {
- xpthread_cond_wait(&cond, &mutex);
+ ovs_mutex_cond_wait(&cond, &mutex);
}
- xpthread_mutex_unlock(&mutex);
+ ovs_mutex_unlock(&mutex);
stats = xmalloc(sizeof *stats);
smap_init(stats);
get_process_stats(stats);
get_filesys_stats(stats);
- xpthread_mutex_lock(&mutex);
+ ovs_mutex_lock(&mutex);
discard_stats();
system_stats = stats;
latch_set(&latch);
- xpthread_mutex_unlock(&mutex);
+ ovs_mutex_unlock(&mutex);
next_refresh = time_msec() + SYSTEM_STATS_INTERVAL;
do {
git://git.onelab.eu / sliver-openvswitch.git / blobdiff