From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Mon, 10 Jul 2006 12:34:45 +0000 (+0200)
Subject: processes plugin: Implement collecting the number of pagefaults for a selected process.
X-Git-Tag: collectd-3.11.0~76^2~4
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=a0a59f6222f774778707423f3f04300315fcec35;p=collectd.git

processes plugin: Implement collecting the number of pagefaults for a selected process.
---

diff --git a/src/processes.c b/src/processes.c
index 0b52b989..b02e869d 100644
--- a/src/processes.c
+++ b/src/processes.c
@@ -131,6 +131,16 @@ static char *ps_count_ds_def[] =
 };
 static int ps_count_ds_num = 2;
 
+static char *ps_pagefaults_file = "processes/ps_pagefaults-%s.rrd";
+static char *ps_pagefaults_ds_def[] =
+{
+	/* max = 2^63 - 1 */
+	"DS:minflt:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+	"DS:majflt:GAUGE:"COLLECTD_HEARTBEAT":0:9223372036854775807",
+	NULL
+};
+static int ps_pagefaults_ds_num = 2;
+
 static char *config_keys[] =
 {
 	"CollectName",
@@ -330,6 +340,21 @@ static void ps_count_write (char *host, char *inst, char *val)
 			ps_count_ds_def, ps_count_ds_num);
 }
 
+static void ps_pagefaults_write (char *host, char *inst, char *val)
+{
+	char filename[256];
+	int status;
+
+	status = snprintf (filename, 256, ps_pagefaults_file, inst);
+	if ((status < 1) || (status >= 256))
+		return;
+
+	DBG ("host = %s; filename = %s; val = %s;",
+			host, filename, val);
+	rrd_update_file (host, filename, val,
+			ps_pagefaults_ds_def, ps_pagefaults_ds_num);
+}
+
 #if PROCESSES_HAVE_READ
 static void ps_submit (int running,
 		int sleeping,
@@ -379,6 +404,12 @@ static void ps_submit_proc (procstat_t *ps)
 	buffer[63] = '\0';
 	plugin_submit ("ps_count", ps->name, buffer);
 
+	snprintf (buffer, 64, "%u:%lu:%lu",
+			(unsigned int) curtime,
+			ps->vmem_minflt, ps->vmem_majflt);
+	buffer[63] = '\0';
+	plugin_submit ("ps_pagefaults", 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;",
@@ -791,6 +822,7 @@ void module_register (void)
 	plugin_register ("ps_rss", NULL, NULL, ps_rss_write);
 	plugin_register ("ps_cputime", NULL, NULL, ps_cputime_write);
 	plugin_register ("ps_count", NULL, NULL, ps_count_write);
+	plugin_register ("ps_pagefaults", NULL, NULL, ps_pagefaults_write);
 	cf_register (MODULE_NAME, ps_config, config_keys, config_keys_num);
 }