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Date:      Sat, 21 Dec 2019 05:03:21 +0000 (UTC)
From:      Philip Paeps <philip@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r355978 - head/usr.bin/top
Message-ID:  <201912210503.xBL53LCh072168@repo.freebsd.org>
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Author: philip
Date: Sat Dec 21 05:03:21 2019
New Revision: 355978
URL: https://svnweb.freebsd.org/changeset/base/355978

Log:
  top: display battery capacity remaining
  
  Submitted by: Antranig Vartanian <antranigv@freebsd.am>
  Reviewed by:  imp, philip
  Differential Revision:        https://reviews.freebsd.org/D22871

Modified:
  head/usr.bin/top/display.c
  head/usr.bin/top/display.h
  head/usr.bin/top/machine.c
  head/usr.bin/top/machine.h
  head/usr.bin/top/top.c

Modified: head/usr.bin/top/display.c
==============================================================================
--- head/usr.bin/top/display.c	Sat Dec 21 04:44:17 2019	(r355977)
+++ head/usr.bin/top/display.c	Sat Dec 21 05:03:21 2019	(r355978)
@@ -1322,6 +1322,15 @@ i_uptime(struct timeval *bt, time_t *tod)
     }
 }
 
+void
+i_battery(int nbat, int batt)
+{
+
+	if (nbat > 0) {
+		printf("; battery: %d%%", batt);
+	}
+}
+
 #define SETUPBUFFER_MIN_SCREENWIDTH 80
 #define SETUPBUFFER_REQUIRED_ADDBUFSIZ 2
 

Modified: head/usr.bin/top/display.h
==============================================================================
--- head/usr.bin/top/display.h	Sat Dec 21 04:44:17 2019	(r355977)
+++ head/usr.bin/top/display.h	Sat Dec 21 05:03:21 2019	(r355978)
@@ -14,6 +14,7 @@ void	 i_header(const char *text);
 void	 display_header(int t);
 int		 display_init(struct statics *statics);
 void	 i_arc(int *stats);
+void	 i_battery(int nbat, int batt);
 void	 i_carc(int *stats);
 void	 i_cpustates(int *states);
 void	 i_loadave(int mpid, double *avenrun);

Modified: head/usr.bin/top/machine.c
==============================================================================
--- head/usr.bin/top/machine.c	Sat Dec 21 04:44:17 2019	(r355977)
+++ head/usr.bin/top/machine.c	Sat Dec 21 05:03:21 2019	(r355978)
@@ -211,6 +211,10 @@ static long *pcpu_cp_old;
 static long *pcpu_cp_diff;
 static int *pcpu_cpu_states;
 
+/* Battery units and states */
+static int battery_units;
+static int battery_life;
+
 static int compare_swap(const void *a, const void *b);
 static int compare_jid(const void *a, const void *b);
 static int compare_pid(const void *a, const void *b);
@@ -373,6 +377,12 @@ machine_init(struct statics *statics)
 	pcpu_cpu_states = calloc(ncpus * CPUSTATES, sizeof(int));
 	statics->ncpus = ncpus;
 
+	/* Allocate state of battery units reported via ACPI. */
+	battery_units = 0;
+	size = sizeof(int);
+	sysctlbyname("hw.acpi.battery.units", &battery_units, &size, NULL, 0);
+	statics->nbatteries = battery_units;
+
 	update_layout();
 
 	/* all done! */
@@ -579,6 +589,12 @@ get_system_info(struct system_info *si)
 	} else {
 		si->boottime.tv_sec = -1;
 	}
+
+	battery_life = 0;
+	if (battery_units > 0) {
+		GETSYSCTL("hw.acpi.battery.life", battery_life);
+	}
+	si->battery = battery_life;
 }
 
 #define NOPROC	((void *)-1)

Modified: head/usr.bin/top/machine.h
==============================================================================
--- head/usr.bin/top/machine.h	Sat Dec 21 04:44:17 2019	(r355977)
+++ head/usr.bin/top/machine.h	Sat Dec 21 05:03:21 2019	(r355978)
@@ -30,6 +30,7 @@ struct statics
     const char * const *carc_names;
     const char * const *swap_names;
     const char * const *order_names;
+    int nbatteries;
     int ncpus;
 };
 
@@ -50,6 +51,7 @@ struct system_info
     int    *carc;
     int    *swap;
     struct timeval boottime;
+    int    battery;
     int    ncpus;
 };
 

Modified: head/usr.bin/top/top.c
==============================================================================
--- head/usr.bin/top/top.c	Sat Dec 21 04:44:17 2019	(r355977)
+++ head/usr.bin/top/top.c	Sat Dec 21 05:03:21 2019	(r355978)
@@ -619,6 +619,9 @@ restart:
 	(*d_loadave)(system_info.last_pid,
 		     system_info.load_avg);
 
+	/* display the battery info (if any) */
+	i_battery(statics.nbatteries, system_info.battery);
+
 	/* display the current time */
 	/* this method of getting the time SHOULD be fairly portable */
 	time(&curr_time);

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