[Powertop] [PATCH 26/29] report: design batery discharge/system baseline

Redesigns the header section on Device Power Report to include the
battery discharge report and system baseline power.

Signed-off-by: Alexandra Yates <alexandra.yates(a)linux.intel.com>
---
 src/devices/device.cpp |   24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/devices/device.cpp b/src/devices/device.cpp
index 1913604..89d2452 100644
--- a/src/devices/device.cpp
+++ b/src/devices/device.cpp
@@ -219,6 +219,7 @@ void show_report_devices(void)
 {
 	unsigned int i;
 	int show_power, cols, rows, idx;
+	double pw;
 
 	show_power = global_power_valid();
 	sort(all_devices.begin(), all_devices.end(), power_device_sort);
@@ -241,6 +242,28 @@ void show_report_devices(void)
         tag_attr title_attr;
         init_title_attr(&title_attr);
 
+	/* Add section */
+	report.add_div(&div_attr);
+
+	/* Device Summary */
+	int summary_size=2;
+        string summary[summary_size];
+	pw = global_joules_consumed();
+	char buf[32];
+	if (pw > 0.0001) {
+		summary[0]= "The battery reports a discharge rate of: ";
+		summary[1]=string(fmt_prefix(pw, buf));
+		summary[1].append(" W");
+		report.add_summary_list(summary, summary_size);
+	}
+
+	if (show_power) {
+		summary[0]="The system baseline power is estimated at: ";
+		summary[1]=string(fmt_prefix(get_parameter_value("base power"), buf));
+		summary[1].append(" W");
+		report.add_summary_list(summary, summary_size);
+	}
+
         /* Set array of data in row Major order */
 	string device_data[cols * rows];
 	device_data[0]= "Usage";
@@ -283,7 +306,6 @@ void show_report_devices(void)
 		}
 	}
 	/* Report Output */
-	report.add_div(&div_attr);
 	report.add_title(&title_attr,"Device Power Report");
 	report.add_table(device_data, &std_table_css);
 }
-- 
1.7.9.5