dns_query_time plugin: replace "." with "_" in dimensions

[netdata.git] / src / proc_sys_kernel_random_entropy_avail.c

diff --git a/src/proc_sys_kernel_random_entropy_avail.c b/src/proc_sys_kernel_random_entropy_avail.c
index d7d1e826110ef937f612eda3b2c4e7e38857976d..fea8900d33cc7ef0c89fbc3a81e3da4b1e9db575 100644 (file)
--- a/src/proc_sys_kernel_random_entropy_avail.c
+++ b/src/proc_sys_kernel_random_entropy_avail.c
@@ -1,41 +1,32 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-
 #include "common.h"
-#include "appconfig.h"
-#include "procfile.h"
-#include "rrd.h"
-#include "plugin_proc.h"
 
-int do_proc_sys_kernel_random_entropy_avail(int update_every, unsigned long long dt) {
-       static procfile *ff = NULL;
+int do_proc_sys_kernel_random_entropy_avail(int update_every, usec_t dt) {
+    (void)dt;
 
-       if(dt) {} ;
+    static procfile *ff = NULL;
 
-       if(!ff) {
-               char filename[FILENAME_MAX + 1];
-               snprintfz(filename, FILENAME_MAX, "%s%s", global_host_prefix, "/proc/sys/kernel/random/entropy_avail");
-               ff = procfile_open(config_get("plugin:proc:/proc/sys/kernel/random/entropy_avail", "filename to monitor", filename), "", PROCFILE_FLAG_DEFAULT);
-       }
-       if(!ff) return 1;
+    if(unlikely(!ff)) {
+        char filename[FILENAME_MAX + 1];
+        snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/sys/kernel/random/entropy_avail");
+        ff = procfile_open(config_get("plugin:proc:/proc/sys/kernel/random/entropy_avail", "filename to monitor", filename), "", PROCFILE_FLAG_DEFAULT);
+        if(unlikely(!ff)) return 1;
+    }
 
-       ff = procfile_readall(ff);
-       if(!ff) return 0; // we return 0, so that we will retry to open it next time
+    ff = procfile_readall(ff);
+    if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
 
-       unsigned long long entropy = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
+    unsigned long long entropy = str2ull(procfile_lineword(ff, 0, 0));
 
-       RRDSET *st = rrdset_find_bytype("system", "entropy");
-       if(!st) {
-               st = rrdset_create("system", "entropy", NULL, "entropy", NULL, "Available Entropy", "entropy", 1000, update_every, RRDSET_TYPE_LINE);
-               rrddim_add(st, "entropy", NULL, 1, 1, RRDDIM_ABSOLUTE);
-       }
-       else rrdset_next(st);
+    RRDSET *st = rrdset_find_bytype_localhost("system", "entropy");
+    if(unlikely(!st)) {
+        st = rrdset_create_localhost("system", "entropy", NULL, "entropy", NULL, "Available Entropy", "entropy", 1000
+                                     , update_every, RRDSET_TYPE_LINE);
+        rrddim_add(st, "entropy", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+    }
+    else rrdset_next(st);
 
-       rrddim_set(st, "entropy", entropy);
-       rrdset_done(st);
+    rrddim_set(st, "entropy", entropy);
+    rrdset_done(st);
 
-       return 0;
+    return 0;
 }