**/
#if HAVE_CONFIG_H
-# include "config.h"
-# undef HAVE_CONFIG_H
+#include "config.h"
+#undef HAVE_CONFIG_H
#endif
-/* avoid procfs.h error "Cannot use procfs in the large file compilation environment" */
+/* avoid procfs.h error "Cannot use procfs in the large file compilation
+ * environment" */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
-# undef _FILE_OFFSET_BITS
-# undef _LARGEFILE64_SOURCE
+#undef _FILE_OFFSET_BITS
+#undef _LARGEFILE64_SOURCE
#endif
#include "collectd.h"
#include "utils_avltree.h"
-#define MAX_PROCFS_PATH 40
-#define FRC2PCT(pp)(((float)(pp))/0x8000*100)
+#define MAX_PROCFS_PATH 40
+#define FRC2PCT(pp) (((float)(pp)) / 0x8000 * 100)
typedef struct zone_stats {
- ushort_t pctcpu;
- ushort_t pctmem;
+ ushort_t pctcpu;
+ ushort_t pctmem;
} zone_stats_t;
-static int
-zone_compare(const void *a, const void *b)
-{
- if (*(const zoneid_t *)a == *(const zoneid_t *)b)
- return(0);
- if (*(const zoneid_t *)a < *(const zoneid_t *)b)
- return(-1);
- return(1);
+static int zone_compare(const void *a, const void *b) {
+ if (*(const zoneid_t *)a == *(const zoneid_t *)b)
+ return 0;
+ if (*(const zoneid_t *)a < *(const zoneid_t *)b)
+ return -1;
+ return 1;
}
-static int
-zone_read_procfile(char const *pidstr, char const *name, void *buf, size_t bufsize)
-{
- int fd;
-
- char procfile[MAX_PROCFS_PATH];
- (void)snprintf(procfile, sizeof(procfile), "/proc/%s/%s", pidstr, name);
- if ((fd = open(procfile, O_RDONLY)) == -1) {
- return (1);
- }
-
- if (sread(fd, buf, bufsize) != 0) {
- char errbuf[1024];
- ERROR ("zone plugin: Reading \"%s\" failed: %s", procfile,
- sstrerror (errno, errbuf, sizeof (errbuf)));
- close(fd);
- return (1);
- }
-
- close(fd);
- return (0);
+static int zone_read_procfile(char const *pidstr, char const *name, void *buf,
+ size_t bufsize) {
+ int fd;
+
+ char procfile[MAX_PROCFS_PATH];
+ (void)snprintf(procfile, sizeof(procfile), "/proc/%s/%s", pidstr, name);
+ if ((fd = open(procfile, O_RDONLY)) == -1) {
+ return 1;
+ }
+
+ if (sread(fd, buf, bufsize) != 0) {
+ char errbuf[1024];
+ ERROR("zone plugin: Reading \"%s\" failed: %s", procfile,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ close(fd);
+ return 1;
+ }
+
+ close(fd);
+ return 0;
}
-static int
-zone_submit_value(char *zone, gauge_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
- value_t values[1];
+static int zone_submit_value(char *zone, gauge_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
+ value_t values[1];
- values[0].gauge = value;
+ values[0].gauge = value;
- vl.values = values;
- vl.values_len = 1; /*STATIC_ARRAY_SIZE (values);*/
- sstrncpy (vl.plugin, "zone", sizeof (vl.plugin));
- sstrncpy (vl.type, "percent", sizeof (vl.type));
- sstrncpy (vl.type_instance, zone, sizeof (vl.type_instance));
+ vl.values = values;
+ vl.values_len = 1; /*STATIC_ARRAY_SIZE (values);*/
+ sstrncpy(vl.plugin, "zone", sizeof(vl.plugin));
+ sstrncpy(vl.type, "percent", sizeof(vl.type));
+ sstrncpy(vl.type_instance, zone, sizeof(vl.type_instance));
- return(plugin_dispatch_values (&vl));
+ return plugin_dispatch_values(&vl);
}
-static zone_stats_t *
-zone_find_stats(c_avl_tree_t *tree, zoneid_t zoneid)
-{
- zone_stats_t *ret = NULL;
- zoneid_t *key = NULL;
-
- if (c_avl_get(tree, (void **)&zoneid, (void **)&ret)) {
- if (!(ret = malloc(sizeof(*ret)))) {
- WARNING("zone plugin: no memory");
- return(NULL);
- }
- if (!(key = malloc(sizeof(*key)))) {
- WARNING("zone plugin: no memory");
- free(ret);
- return(NULL);
- }
- *key = zoneid;
- if (c_avl_insert(tree, key, ret)) {
- WARNING("zone plugin: error inserting into tree");
- return(NULL);
- }
- }
- return(ret);
+static zone_stats_t *zone_find_stats(c_avl_tree_t *tree, zoneid_t zoneid) {
+ zone_stats_t *ret = NULL;
+ zoneid_t *key = NULL;
+
+ if (c_avl_get(tree, (void **)&zoneid, (void **)&ret)) {
+ if (!(ret = malloc(sizeof(*ret)))) {
+ WARNING("zone plugin: no memory");
+ return NULL;
+ }
+ if (!(key = malloc(sizeof(*key)))) {
+ WARNING("zone plugin: no memory");
+ free(ret);
+ return NULL;
+ }
+ *key = zoneid;
+ if (c_avl_insert(tree, key, ret)) {
+ WARNING("zone plugin: error inserting into tree");
+ return NULL;
+ }
+ }
+ return ret;
}
-static void
-zone_submit_values(c_avl_tree_t *tree)
-{
- char zonename[ZONENAME_MAX];
- zoneid_t *zoneid = NULL;
- zone_stats_t *stats = NULL;
-
- while (c_avl_pick (tree, (void **)&zoneid, (void **)&stats) == 0)
- {
- if (getzonenamebyid(*zoneid, zonename, sizeof( zonename )) == -1) {
- WARNING("zone plugin: error retrieving zonename");
- } else {
- zone_submit_value(zonename, (gauge_t)FRC2PCT(stats->pctcpu));
- }
- free(stats);
- free(zoneid);
- }
- c_avl_destroy(tree);
+static void zone_submit_values(c_avl_tree_t *tree) {
+ char zonename[ZONENAME_MAX];
+ zoneid_t *zoneid = NULL;
+ zone_stats_t *stats = NULL;
+
+ while (c_avl_pick(tree, (void **)&zoneid, (void **)&stats) == 0) {
+ if (getzonenamebyid(*zoneid, zonename, sizeof(zonename)) == -1) {
+ WARNING("zone plugin: error retrieving zonename");
+ } else {
+ zone_submit_value(zonename, (gauge_t)FRC2PCT(stats->pctcpu));
+ }
+ free(stats);
+ free(zoneid);
+ }
+ c_avl_destroy(tree);
}
-static c_avl_tree_t *
-zone_scandir(DIR *procdir)
-{
- pid_t pid;
- dirent_t *direntp;
- psinfo_t psinfo;
- c_avl_tree_t *tree;
- zone_stats_t *stats;
-
- if (!(tree=c_avl_create(zone_compare))) {
- WARNING("zone plugin: Failed to create tree");
- return(NULL);
- }
-
- rewinddir(procdir);
- while ((direntp = readdir(procdir))) {
- char const *pidstr = direntp->d_name;
- if (pidstr[0] == '.') /* skip "." and ".." */
- continue;
-
- pid = atoi(pidstr);
- if (pid == 0 || pid == 2 || pid == 3)
- continue; /* skip sched, pageout and fsflush */
-
- if (zone_read_procfile(pidstr, "psinfo", &psinfo, sizeof(psinfo_t)) != 0)
- continue;
-
- stats = zone_find_stats(tree, psinfo.pr_zoneid);
- if( stats ) {
- stats->pctcpu += psinfo.pr_pctcpu;
- stats->pctmem += psinfo.pr_pctmem;
- }
- }
- return(tree);
+static c_avl_tree_t *zone_scandir(DIR *procdir) {
+ pid_t pid;
+ dirent_t *direntp;
+ psinfo_t psinfo;
+ c_avl_tree_t *tree;
+ zone_stats_t *stats;
+
+ if (!(tree = c_avl_create(zone_compare))) {
+ WARNING("zone plugin: Failed to create tree");
+ return NULL;
+ }
+
+ rewinddir(procdir);
+ while ((direntp = readdir(procdir))) {
+ char const *pidstr = direntp->d_name;
+ if (pidstr[0] == '.') /* skip "." and ".." */
+ continue;
+
+ pid = atoi(pidstr);
+ if (pid == 0 || pid == 2 || pid == 3)
+ continue; /* skip sched, pageout and fsflush */
+
+ if (zone_read_procfile(pidstr, "psinfo", &psinfo, sizeof(psinfo_t)) != 0)
+ continue;
+
+ stats = zone_find_stats(tree, psinfo.pr_zoneid);
+ if (stats) {
+ stats->pctcpu += psinfo.pr_pctcpu;
+ stats->pctmem += psinfo.pr_pctmem;
+ }
+ }
+ return tree;
}
-static int zone_read (void)
-{
- DIR *procdir;
- c_avl_tree_t *tree;
-
- if ((procdir = opendir("/proc")) == NULL) {
- ERROR("zone plugin: cannot open /proc directory\n");
- return (-1);
- }
-
- tree=zone_scandir(procdir);
- closedir(procdir);
- if (tree == NULL) {
- return (-1);
- }
- zone_submit_values(tree); /* this also frees tree */
- return (0);
+static int zone_read(void) {
+ DIR *procdir;
+ c_avl_tree_t *tree;
+
+ if ((procdir = opendir("/proc")) == NULL) {
+ ERROR("zone plugin: cannot open /proc directory\n");
+ return -1;
+ }
+
+ tree = zone_scandir(procdir);
+ closedir(procdir);
+ if (tree == NULL) {
+ return -1;
+ }
+ zone_submit_values(tree); /* this also frees tree */
+ return 0;
}
-void module_register (void)
-{
- plugin_register_read ("zone", zone_read);
+void module_register(void) {
+ plugin_register_read("zone", zone_read);
} /* void module_register */
projects / collectd.git / blobdiff