processes branch: Added code to actually write the RSS data of a process.

diff --git a/src/processes.c b/src/processes.c
index 182e15d..16e6059 100644 (file)
--- a/src/processes.c
+++ b/src/processes.c
@@ -103,6 +103,15 @@ static char *processes_ds_def[] =
 };
 static int processes_ds_num = 6;
 
+static char *ps_rss_file = "processes/ps_rss-%s.rrd";
+static char *ps_rss_ds_def[] =
+{
+       /* max = 2^63 - 1 */
+       "DS:byte:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+       NULL
+};
+static int ps_rss_ds_num = 1;
+
 static char *config_keys[] =
 {
        "CollectName",
@@ -247,6 +256,8 @@ static void ps_init (void)
 
 #elif KERNEL_LINUX
        pagesize_g = sysconf(_SC_PAGESIZE);
+       DBG ("pagesize_g = %li; CONFIG_HZ = %i;",
+                       pagesize_g, CONFIG_HZ);
 #endif /* KERNEL_LINUX */
 
        return;
@@ -258,6 +269,18 @@ static void ps_write (char *host, char *inst, char *val)
                        processes_ds_def, processes_ds_num);
 }
 
+static void ps_rss_write (char *host, char *inst, char *val)
+{
+       char filename[256];
+       int status;
+
+       status = snprintf (filename, 256, ps_rss_file, inst);
+       if ((status < 1) || (status >= 256))
+               return;
+
+       rrd_update_file (host, filename, val, ps_rss_ds_def, ps_rss_ds_num);
+}
+
 #if PROCESSES_HAVE_READ
 static void ps_submit (int running,
                int sleeping,
@@ -282,15 +305,24 @@ static void ps_submit (int running,
 
 static void ps_submit_proc (procstat_t *ps)
 {
+       char buffer[64];
+
        if (ps == NULL)
                return;
 
+       snprintf (buffer, 64, "%u:%lu",
+                       (unsigned int) curtime,
+                       ps->vmem_rss);
+       buffer[63] = '\0';
+       plugin_submit ("ps_rss", ps->name, buffer);
+
        DBG ("name = %s; num_proc = %i; num_lwp = %i; vmem_rss = %i; "
                        "vmem_minflt = %i; vmem_majflt = %i; "
                        "cpu_user = %i; cpu_system = %i;",
                        ps->name, ps->num_proc, ps->num_lwp, ps->vmem_rss,
                        ps->vmem_minflt, ps->vmem_majflt, ps->cpu_user,
                        ps->cpu_system);
+
 }
 
 #if KERNEL_LINUX
@@ -693,6 +725,7 @@ static void ps_read (void)
 void module_register (void)
 {
        plugin_register (MODULE_NAME, ps_init, ps_read, ps_write);
+       plugin_register ("ps_rss", NULL, NULL, ps_rss_write);
        cf_register (MODULE_NAME, ps_config, config_keys, config_keys_num);
 }