From 6bb60ec445389326c8f89802b0ef15d67efb7a19 Mon Sep 17 00:00:00 2001
From: Sebastien GODARD <sysstat@users.noreply.github.com>
Date: Wed, 28 Dec 2022 16:11:25 +0100
Subject: [PATCH] sadf: A_PWR_BAT: Display batteries stats in SVG format

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>
---
 activity.c  |  2 +-
 svg_stats.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 svg_stats.h |  3 ++
 3 files changed, 89 insertions(+), 1 deletion(-)

diff --git a/activity.c b/activity.c
index 961e7b2..23a2520 100644
--- a/activity.c
+++ b/activity.c
@@ -2029,7 +2029,7 @@ struct activity pwr_bat_act = {
 	.f_render	= render_pwr_bat_stats,
 	.f_xml_print	= xml_print_pwr_bat_stats,
 	.f_json_print	= json_print_pwr_bat_stats,
-	.f_svg_print	= NULL, // FIXME
+	.f_svg_print	= svg_print_pwr_bat_stats,
 	.f_raw_print	= NULL, // FIXME
 	.f_pcp_print	= NULL, // FIXME
 	.f_count_new	= NULL,
diff --git a/svg_stats.c b/svg_stats.c
index f5b1b4e..5cb99aa 100644
--- a/svg_stats.c
+++ b/svg_stats.c
@@ -4660,6 +4660,91 @@ __print_funct_t svg_print_pwr_in_stats(struct activity *a, int curr, int action,
 	}
 }
 
+/*
+ * **************************************************************************
+ * Display batteries statistics in SVG.
+ *
+ * IN:
+ * @a		Activity structure with statistics.
+ * @curr	Index in array for current sample statistics.
+ * @action	Action expected from current function.
+ * @svg_p	SVG specific parameters: Current graph number (.@graph_no),
+ * 		flag indicating that a restart record has been previously
+ * 		found (.@restart) and time used for the X axis origin
+ * 		(@ust_time_ref).
+ * @itv		Interval of time in 1/100th of a second.
+ * @record_hdr	Pointer on record header of current stats sample.
+ ***************************************************************************
+ */
+__print_funct_t svg_print_pwr_bat_stats(struct activity *a, int curr, int action, struct svg_parm *svg_p,
+				        unsigned long long itv, struct record_header *record_hdr)
+{
+	struct stats_pwr_bat *spbc;
+	int group[] = {1};
+	int g_type[] = {SVG_BAR_GRAPH};
+	char *title[] = {"Batteries capacity"};
+	char *g_title[] = {"~%cap"};
+	static double *spmin, *spmax;
+	static char **out;
+	static int *outsize;
+	char item_name[16];
+	int i;
+
+	if (action & F_BEGIN) {
+		/*
+		 * Allocate arrays that will contain the graphs data
+		 * and the min/max values.
+		 */
+		out = allocate_graph_lines(a->item_list_sz, &outsize, &spmin, &spmax);
+	}
+
+	if (action & F_MAIN) {
+		/* For each battery */
+		for (i = 0; i < a->nr[curr]; i++) {
+
+			spbc = (struct stats_pwr_bat *) ((char *) a->buf[curr] + i * a->msize);
+
+			/* Look for min/max values */
+			if (spbc->capacity < *(spmin + i)) {
+				*(spmin + i) = spbc->capacity;
+			}
+			if (spbc->capacity > *(spmax + i)) {
+				*(spmax + i) = spbc->capacity;
+			}
+
+			/* %cap */
+			brappend(record_hdr->ust_time - svg_p->ust_time_ref,
+				 0.0,
+				 (unsigned int) spbc->capacity,
+				 out + i, outsize + i,
+				 svg_p->dt);
+		}
+	}
+
+	if (action & F_END) {
+		int xid = 0;
+
+		for (i = 0; i < a->item_list_sz; i++) {
+
+			spbc = (struct stats_pwr_bat *) ((char *) a->buf[curr] + i * a->msize);
+
+			snprintf(item_name, sizeof(item_name), "BAT%d", (int) spbc->bat_id);
+			item_name[sizeof(item_name) - 1] = '\0';
+
+			if (draw_activity_graphs(a->g_nr, g_type,
+						 title, g_title, item_name, group,
+						 spmin + i, spmax + i,
+						 out + i, outsize + i,
+						 svg_p, record_hdr, FALSE, a, xid)) {
+				xid++;
+			}
+		}
+
+		/* Free remaining structures */
+		free_graphs(out, outsize, spmin, spmax);
+	}
+}
+
 /*
  ***************************************************************************
  * Display huge pages statistics in SVG.
diff --git a/svg_stats.h b/svg_stats.h
index 634bbf7..ee53d34 100644
--- a/svg_stats.h
+++ b/svg_stats.h
@@ -127,5 +127,8 @@ __print_funct_t svg_print_psiio_stats
 __print_funct_t svg_print_psimem_stats
 	(struct activity *, int, int, struct svg_parm *, unsigned long long,
 	 struct record_header *);
+__print_funct_t svg_print_pwr_bat_stats
+	(struct activity *, int, int, struct svg_parm *, unsigned long long,
+	 struct record_header *);
 
 #endif /* _SVG_STATS_H */
-- 
2.40.0