#include "collectd.h"
-#include "common.h"
-#include "plugin.h"
#include <stdio.h> /* a header needed for FILE */
-#include <string.h> /* a header needed for scanf function */
#include <stdlib.h> /* used for atoi */
-
+#include <string.h> /* a header needed for scanf function */
+#include "common.h"
+#include "plugin.h"
#if !KERNEL_LINUX
-# error "This module only supports the Linux implementation of fscache"
+#error "This module only supports the Linux implementation of fscache"
#endif
#define BUFSIZE 1024
63 events to collect in 13 groups
*/
-static void fscache_submit (const char *section, const char *name,
- value_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
+static void fscache_submit(const char *section, const char *name,
+ value_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
- vl.values = &value;
- vl.values_len = 1;
+ vl.values = &value;
+ vl.values_len = 1;
- sstrncpy(vl.plugin, "fscache", sizeof (vl.plugin));
- sstrncpy(vl.plugin_instance, section, sizeof (vl.plugin_instance));
- sstrncpy(vl.type, "fscache_stat", sizeof(vl.type));
- sstrncpy(vl.type_instance, name, sizeof(vl.type_instance));
+ sstrncpy(vl.plugin, "fscache", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, section, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, "fscache_stat", sizeof(vl.type));
+ sstrncpy(vl.type_instance, name, sizeof(vl.type_instance));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
}
-static void fscache_read_stats_file (FILE *fh)
-{
- char section[DATA_MAX_NAME_LEN];
- size_t section_len;
+static void fscache_read_stats_file(FILE *fh) {
+ char section[DATA_MAX_NAME_LEN];
+ size_t section_len;
+
+ char linebuffer[BUFSIZE];
+
+ /*
+ * cat /proc/fs/fscache/stats
+ * FS-Cache statistics
+ * Cookies: idx=2 dat=0 spc=0
+ * Objects: alc=0 nal=0 avl=0 ded=0
+ * ChkAux : non=0 ok=0 upd=0 obs=0
+ * Pages : mrk=0 unc=0
+ * Acquire: n=2 nul=0 noc=0 ok=2 nbf=0 oom=0
+ * Lookups: n=0 neg=0 pos=0 crt=0
+ * Updates: n=0 nul=0 run=0
+ * Relinqs: n=0 nul=0 wcr=0
+ * AttrChg: n=0 ok=0 nbf=0 oom=0 run=0
+ * Allocs : n=0 ok=0 wt=0 nbf=0
+ * Allocs : ops=0 owt=0
+ * Retrvls: n=0 ok=0 wt=0 nod=0 nbf=0 int=0 oom=0
+ * Retrvls: ops=0 owt=0
+ * Stores : n=0 ok=0 agn=0 nbf=0 oom=0
+ * Stores : ops=0 run=0
+ * Ops : pend=0 run=0 enq=0
+ * Ops : dfr=0 rel=0 gc=0
+ */
+
+ /* Read file line by line */
+ while (fgets(linebuffer, sizeof(linebuffer), fh) != NULL) {
+ char *lineptr;
+ char *fields[32];
+ int fields_num;
+
+ /* Find the colon and replace it with a null byte */
+ lineptr = strchr(linebuffer, ':');
+ if (lineptr == NULL)
+ continue;
+ *lineptr = 0;
+ lineptr++;
+
+ /* Copy and clean up the section name */
+ sstrncpy(section, linebuffer, sizeof(section));
+ section_len = strlen(section);
+ while ((section_len > 0) && isspace((int)section[section_len - 1])) {
+ section_len--;
+ section[section_len] = 0;
+ }
+ if (section_len == 0)
+ continue;
- char linebuffer[BUFSIZE];
+ fields_num = strsplit(lineptr, fields, STATIC_ARRAY_SIZE(fields));
+ if (fields_num <= 0)
+ continue;
-/*
- * cat /proc/fs/fscache/stats
- * FS-Cache statistics
- * Cookies: idx=2 dat=0 spc=0
- * Objects: alc=0 nal=0 avl=0 ded=0
- * ChkAux : non=0 ok=0 upd=0 obs=0
- * Pages : mrk=0 unc=0
- * Acquire: n=2 nul=0 noc=0 ok=2 nbf=0 oom=0
- * Lookups: n=0 neg=0 pos=0 crt=0
- * Updates: n=0 nul=0 run=0
- * Relinqs: n=0 nul=0 wcr=0
- * AttrChg: n=0 ok=0 nbf=0 oom=0 run=0
- * Allocs : n=0 ok=0 wt=0 nbf=0
- * Allocs : ops=0 owt=0
- * Retrvls: n=0 ok=0 wt=0 nod=0 nbf=0 int=0 oom=0
- * Retrvls: ops=0 owt=0
- * Stores : n=0 ok=0 agn=0 nbf=0 oom=0
- * Stores : ops=0 run=0
- * Ops : pend=0 run=0 enq=0
- * Ops : dfr=0 rel=0 gc=0
- */
-
- /* Read file line by line */
- while (fgets (linebuffer, sizeof (linebuffer), fh) != NULL)
- {
- char *lineptr;
- char *fields[32];
- int fields_num;
-
- /* Find the colon and replace it with a null byte */
- lineptr = strchr (linebuffer, ':');
- if (lineptr == NULL)
- continue;
- *lineptr = 0;
- lineptr++;
-
- /* Copy and clean up the section name */
- sstrncpy (section, linebuffer, sizeof (section));
- section_len = strlen (section);
- while ((section_len > 0) && isspace ((int) section[section_len - 1]))
- {
- section_len--;
- section[section_len] = 0;
- }
- if (section_len == 0)
- continue;
-
- fields_num = strsplit (lineptr, fields, STATIC_ARRAY_SIZE (fields));
- if (fields_num <= 0)
- continue;
-
- for (int i = 0; i < fields_num; i++)
- {
- char *field_name;
- char *field_value_str;
- value_t field_value_cnt;
- int status;
-
- field_name = fields[i];
- assert (field_name != NULL);
-
- field_value_str = strchr (field_name, '=');
- if (field_value_str == NULL)
- continue;
- *field_value_str = 0;
- field_value_str++;
-
- status = parse_value (field_value_str, &field_value_cnt,
- DS_TYPE_DERIVE);
- if (status != 0)
- continue;
-
- fscache_submit (section, field_name, field_value_cnt);
- }
- } /* while (fgets) */
-} /* void fscache_read_stats_file */
+ for (int i = 0; i < fields_num; i++) {
+ char *field_name;
+ char *field_value_str;
+ value_t field_value_cnt;
+ int status;
+
+ field_name = fields[i];
+ assert(field_name != NULL);
+
+ field_value_str = strchr(field_name, '=');
+ if (field_value_str == NULL)
+ continue;
+ *field_value_str = 0;
+ field_value_str++;
-static int fscache_read (void){
- FILE *fh;
- fh = fopen("/proc/fs/fscache/stats", "r");
- if (fh != NULL){
- fscache_read_stats_file(fh);
- fclose(fh);
+ status = parse_value(field_value_str, &field_value_cnt, DS_TYPE_DERIVE);
+ if (status != 0)
+ continue;
- }else{
- printf("cant open file\n");
- return (-1);
+ fscache_submit(section, field_name, field_value_cnt);
}
- return (0);
+ } /* while (fgets) */
+} /* void fscache_read_stats_file */
+
+static int fscache_read(void) {
+ FILE *fh;
+ fh = fopen("/proc/fs/fscache/stats", "r");
+ if (fh != NULL) {
+ fscache_read_stats_file(fh);
+ fclose(fh);
+
+ } else {
+ printf("cant open file\n");
+ return -1;
+ }
+ return 0;
}
-void module_register (void)
-{
- plugin_register_read ("fscache", fscache_read);
+void module_register(void) {
+ plugin_register_read("fscache", fscache_read);
} /* void module_register */
-
-/* vim: set sw=4 sts=4 et : */
projects / collectd.git / blobdiff