Implement Exponential Moving Average algorithm

For solving that CPU status updating is so fast, use EMA to calc a
smooth value

1 files changed, 35 insertions, 35 deletions

diff --git a/stat.h b/stat.h
index 81d84cc..5b14226 100644
--- a/stat.h
+++ b/stat.h
@@ -12,46 +12,46 @@
 #define STAT_BAR_HEIGHT 1
 
 typedef struct {
-    char name[16];
-    unsigned int user;   /* User mode */
-    unsigned int nice;   /* Low-priority user mode */
-    unsigned int system; /* Kernel mode */
-    unsigned int idle;   /* Free time of CPU */
+	char name[16];
+	unsigned int user;   /* User mode */
+	unsigned int nice;   /* Low-priority user mode */
+	unsigned int system; /* Kernel mode */
+	unsigned int idle;   /* Free time of CPU */
+	unsigned long long iowait;
+	unsigned long long irq;
+	unsigned long long softirq;
+
+	unsigned long long prev_total;
+	unsigned long long prev_idle;
+	double cpu;
+	double smooth_cpu;
 } cpu_occupy;
 
 typedef struct {
-    char sysver[30];
-    struct {
-        unsigned long mem_total;
-        unsigned long mem_available;
-    } meminfo;
-    struct {
-        unsigned long long disk_total;
-        unsigned long long disk_available;
-    } diskinfo;
-    struct {
-        char name[16];
-        unsigned long long user;   /* User mode */
-        unsigned long long nice;   /* Low-priority user mode */
-        unsigned long long system; /* Kernel mode */
-        unsigned long long idle;   /* Free time of CPU */
-        double cpu;
-    } cpu_occupy;
+	char sysver[30];
+	struct {
+		unsigned long mem_total;
+		unsigned long mem_available;
+	} meminfo;
+	struct {
+		unsigned long long disk_total;
+		unsigned long long disk_available;
+	} diskinfo;
+	cpu_occupy *cpu_occ;
 } stat;
 
-void stat_get_sysver(stat* s);
-stat* stat_init();
-void stat_print_info(WINDOW* w, int y, int maxx, const char* label,
-                     unsigned long total, unsigned long ava);
-void stat_print_cpu_info(WINDOW* w, int y, int maxx, stat* s);
-void stat_draw_bar(WINDOW* w, const char* label, int maxx, int y, int x,
-                   unsigned long total, unsigned long ava);
-void stat_draw_cpu_bar(WINDOW* w, int maxx, int y, int x, stat* s);
-void stat_get_meminfo(stat* s);
-void stat_get_diskinfo(stat* s);
-void stat_get_cpuinfo(stat* s);
-void stat_calc_cpuocc(stat* s);
+void stat_get_sysver(stat *s);
+stat *stat_init();
+void stat_print_info(WINDOW *w, int y, int maxx, const char *label,
+		     unsigned long total, unsigned long ava);
+void stat_print_cpu_info(WINDOW *w, int y, int maxx, stat *s);
+void stat_draw_bar(WINDOW *w, const char *label, int maxx, int y, int x,
+		   unsigned long total, unsigned long ava);
+void stat_draw_cpu_bar(WINDOW *w, int maxx, int y, int x, stat *s);
+void stat_get_meminfo(stat *s);
+void stat_get_diskinfo(stat *s);
+void stat_get_cpuinfo(stat *s);
 int stat_get_bar_ticks(int maxx, unsigned long long total,
-                       unsigned long long ava);
+		       unsigned long long ava);
 
 #endif /* SF_STAT_H */