From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 3 Oct 2025 10:22:51 +0000 (+0000)
Subject: loadavg: Add a simple graph
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a76d90b61e7c4c17ffd1ec04f65a5c55a8d0b029;p=telemetry.git

loadavg: Add a simple graph

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/graphs/loadavg.c b/src/daemon/graphs/loadavg.c
index 0c72fca..dbb92a5 100644
--- a/src/daemon/graphs/loadavg.c
+++ b/src/daemon/graphs/loadavg.c
@@ -18,9 +18,135 @@
 #                                                                             #
 #############################################################################*/
 
+#include "../colors.h"
 #include "../graph.h"
+#include "../i18n.h"
 #include "loadavg.h"
 
+// Set some colors
+#define COLOR_LOAD15	COLOR_RED
+#define COLOR_LOAD5		COLOR_ORANGE
+#define COLOR_LOAD1		COLOR_YELLOW
+
+static int loadavg_render(collecty_ctx* ctx,
+		collecty_graph* graph, collecty_args* args, const char* object) {
+	int r;
+
+	// This requires the loadavg module
+	r = collecty_graph_require_module(graph, args, "loadavg", object);
+	if (r < 0)
+		return r;
+
+	// Add 15-minute load average
+	r = collecty_args_push(args,
+			DRAW("AREA", "load15", COLOR_WITH_ALPHA(COLOR_LOAD15, OPACITY_25P)));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args,
+			DRAW_WITH_LABEL("LINE1", "load15", COLOR_LOAD15), _("15 Minutes"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load15_cur"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load15_avg"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load15_min"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load15_max") EOL);
+	if (r < 0)
+		return r;
+
+	// Add 5-minute load average
+	r = collecty_args_push(args,
+			DRAW("AREA", "load5", COLOR_WITH_ALPHA(COLOR_LOAD5, OPACITY_25P)));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args,
+			DRAW_WITH_LABEL("LINE1", "load5", COLOR_LOAD5), _("5 Minutes"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load5_cur"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load5_avg"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load5_min"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load5_max") EOL);
+	if (r < 0)
+		return r;
+
+	// Add 1-minute load average
+	r = collecty_args_push(args,
+			DRAW("AREA", "load1", COLOR_WITH_ALPHA(COLOR_LOAD1, OPACITY_25P)));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args,
+			DRAW_WITH_LABEL("LINE1", "load1", COLOR_LOAD1), _("1 Minute"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load1_cur"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load1_avg"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load1_min"));
+	if (r < 0)
+		return r;
+
+	r = collecty_args_push(args, PRINT_FLOAT("load1_max") EOL);
+	if (r < 0)
+		return r;
+
+	// Add an empty line
+	r = collecty_args_push(args, EMPTY_COLUMN);
+	if (r < 0)
+		return r;
+
+	// Add the headline for the "Current" column
+	r = collecty_args_push(args, HEADER, _("Current"));
+	if (r < 0)
+		return r;
+
+	// Add the headline for the "Average" column
+	r = collecty_args_push(args, HEADER, _("Average"));
+	if (r < 0)
+		return r;
+
+	// Add the headline for the "Minimum" column
+	r = collecty_args_push(args, HEADER, _("Minimum"));
+	if (r < 0)
+		return r;
+
+	// Add the headline for the "Maximum" column
+	r = collecty_args_push(args, HEADER EOL, _("Maximum"));
+	if (r < 0)
+		return r;
+
+	return 0;
+}
+
 const collecty_graph_impl loadavg_graph = {
 	.name    = "LoadAverage",
+	.render  = loadavg_render,
 };