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Add --stats-range

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This commit is contained in:
Oliver Jowett 2015-06-19 17:29:14 +01:00
parent e7e9cecc1a
commit 656df98a76
5 changed files with 99 additions and 1 deletions
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76
stats.c
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@ -57,6 +57,8 @@ void add_timespecs(const struct timespec *x, const struct timespec *y, struct ti
z->tv_nsec = z->tv_nsec % 1000000000L;
}
static void display_range_histogram(struct stats *st);
void display_stats(struct stats *st) {
int j;
time_t tt_start, tt_end;
@ -172,10 +174,79 @@ void display_stats(struct stats *st) {
(unsigned long long) background_cpu_millis);
}
if (Modes.stats_range_histo)
display_range_histogram(st);
fflush(stdout);
}
static void display_range_histogram(struct stats *st)
{
uint32_t peak;
int i, j;
int heights[RANGE_BUCKET_COUNT];
#if 0
#define NPIXELS 4
char *pixels[NPIXELS] = { ".", "o", "O", "|" };
#else
// UTF-8 bar symbols
#define NPIXELS 8
char *pixels[NPIXELS] = {
"\xE2\x96\x81",
"\xE2\x96\x82",
"\xE2\x96\x83",
"\xE2\x96\x84",
"\xE2\x96\x85",
"\xE2\x96\x86",
"\xE2\x96\x87",
"\xE2\x96\x88"
};
#endif
printf ("Range histogram:\n\n");
for (i = 0, peak = 0; i < RANGE_BUCKET_COUNT; ++i) {
if (st->range_histogram[i] > peak)
peak = st->range_histogram[i];
}
for (i = 0; i < RANGE_BUCKET_COUNT; ++i) {
heights[i] = st->range_histogram[i] * 20.0 * NPIXELS / peak;
if (st->range_histogram[i] > 0 && heights[i] == 0)
heights[i] = 1;
}
for (j = 0; j < 20; ++j) {
for (i = 0; i < RANGE_BUCKET_COUNT; ++i) {
int pheight = heights[i] - ((19 - j) * NPIXELS);
if (pheight <= 0)
printf(" ");
else if (pheight >= NPIXELS)
printf("%s", pixels[NPIXELS-1]);
else
printf("%s", pixels[pheight]);
}
printf("\n");
}
for (i = 0; i < RANGE_BUCKET_COUNT/4; ++i) {
printf("----");
}
printf("\n");
for (i = 0; i < RANGE_BUCKET_COUNT/4; ++i) {
printf(" ' ");
}
printf("\n");
for (i = 0; i < RANGE_BUCKET_COUNT/4; ++i) {
int midpoint = round((i*4+1.5) * Modes.maxRange / RANGE_BUCKET_COUNT / 1000);
printf("%03d ", midpoint);
}
printf("km\n");
}
void reset_stats(struct stats *st) {
static struct stats st_zero;
*st = st_zero;
@ -259,5 +330,8 @@ void add_stats(const struct stats *st1, const struct stats *st2, struct stats *t
// aircraft
target->unique_aircraft = st1->unique_aircraft + st2->unique_aircraft;
target->single_message_aircraft = st1->single_message_aircraft + st2->single_message_aircraft;
}
// range histogram
for (i = 0; i < RANGE_BUCKET_COUNT; ++i)
target->range_histogram[i] = st1->range_histogram[i] + st2->range_histogram[i];
}