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bugfix/improve/simplify view/time.c

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This commit is contained in:
Cedric Roux
2016-05-19 14:55:48 +02:00
parent 0e03381016
commit 262ab7090c
3 changed files with 65 additions and 126 deletions
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common/utils/T/tracer/enb.c
+5 -5
View File
@@ -157,24 +157,24 @@ static void enb_main_gui(gui *g, event_handler *h, void *database)
timeview = new_view_time(3600, 10, g, timeline_plot);
/* tick logging */
timelog = new_timelog(h, database, "ENB_DL_TICK");
subview = new_subview_time(timeview, 0, FOREGROUND_COLOR);
subview = new_subview_time(timeview, 0, FOREGROUND_COLOR, 3600*1000);
logger_add_view(timelog, subview);
/* DCI logging */
timelog = new_timelog(h, database, "ENB_DLSCH_UE_DCI");
subview = new_subview_time(timeview, 1, new_color(g, "#228"));
subview = new_subview_time(timeview, 1, new_color(g, "#228"), 3600*1000);
logger_add_view(timelog, subview);
/* ACK */
timelog = new_timelog(h, database, "ENB_DLSCH_UE_ACK");
subview = new_subview_time(timeview, 2, new_color(g, "#282"));
subview = new_subview_time(timeview, 2, new_color(g, "#282"), 3600*1000);
logger_add_view(timelog, subview);
/* NACK */
timelog = new_timelog(h, database, "ENB_DLSCH_UE_NACK");
subview = new_subview_time(timeview, 3, new_color(g, "#f22"));
subview = new_subview_time(timeview, 3, new_color(g, "#f22"), 3600*1000);
logger_add_view(timelog, subview);
/* uplink UE DCIs */
timelog = new_timelog(h, database, "ENB_UL_TICK");
subview = new_subview_time(timeview, 4, FOREGROUND_COLOR);
subview = new_subview_time(timeview, 4, FOREGROUND_COLOR, 3600*1000);
logger_add_view(timelog, subview);
}
common/utils/T/tracer/view/time.c
+59 -120
View File
@@ -10,35 +10,24 @@
/****************************************************************************/
struct plot {
long *nano;
int nanosize;
int nanomaxsize;
struct timespec *tick;
int ticksize;
int tickmaxsize;
int tickstart;
int line;
int color;
};
struct tick {
struct plot *p; /* one plot per subview,
* so size is 'subcount'
* (see in struct time below)
*/
};
struct time {
view common;
gui *g;
widget *w;
float refresh_rate;
pthread_mutex_t lock;
struct tick *t; /* t is a circular list
* a tick lasts one second
*/
int tsize; /* size of t */
int tstart; /* starting index in t */
time_t tstart_time; /* timestamp (in seconds) of starting in t */
int subcount; /* number of subviews */
struct timespec latest_time; /* time of latest received tick */
struct plot *p;
int psize;
double pixel_length; /* unit: nanosecond (maximum 1 hour/pixel) */
struct timespec latest_time;
};
/* TODO: put that function somewhere else (utils.c) */
@@ -87,13 +76,33 @@ static int time_cmp(struct timespec a, struct timespec b)
return 0;
}
static int interval_empty(struct time *this, int sub,
struct timespec start, struct timespec end)
{
int a, b, mid;
int i;
if (this->p[sub].ticksize == 0) return 1;
/* look for a tick larger than start and smaller than end */
a = 0;
b = this->p[sub].ticksize - 1;
while (b >= a) {
mid = (a+b) / 2;
i = (this->p[sub].tickstart + mid) % this->p[sub].ticksize;
if (time_cmp(this->p[sub].tick[i], start) < 0) a = mid + 1;
else if (time_cmp(this->p[sub].tick[i], end) > 0) b = mid - 1;
else return 0;
}
return 1;
}
static void *time_thread(void *_this)
{
struct time *this = _this;
int width;
int l;
int i;
int t;
struct timespec tstart;
struct timespec tnext;
struct plot *p;
@@ -105,7 +114,7 @@ static void *time_thread(void *_this)
timeline_get_width(this->g, this->w, &width);
timeline_clear_silent(this->g, this->w);
/* TODO: optimize/cleanup */
/* TODO: optimize? */
/* use rounded pixel_length */
pixel_length = this->pixel_length;
@@ -113,34 +122,14 @@ static void *time_thread(void *_this)
tnext = time_add(this->latest_time,(struct timespec){tv_sec:0,tv_nsec:1});
tstart = time_sub(tnext, nano_to_time(pixel_length * width));
for (l = 0; l < this->subcount; l++) {
for (l = 0; l < this->psize; l++) {
for (i = 0; i < width; i++) {
struct timespec tick_start, tick_end;
tick_start = time_add(tstart, nano_to_time(pixel_length * i));
tick_end = time_add(tick_start, nano_to_time(pixel_length-1));
/* look for a nano between tick_start and tick_end */
/* TODO: optimize */
for (t = 0; t < this->tsize; t++) {
int n;
time_t current_second = this->tstart_time + t;
time_t next_second = current_second + 1;
struct timespec current_time =
(struct timespec){tv_sec:current_second,tv_nsec:0};
struct timespec next_time =
(struct timespec){tv_sec:next_second,tv_nsec:0};
if (time_cmp(tick_end, current_time) < 0) continue;
if (time_cmp(tick_start, next_time) >= 0) continue;
p = &this->t[(this->tstart + t) % this->tsize].p[l];
for (n = 0; n < p->nanosize; n++) {
struct timespec nano =
(struct timespec){tv_sec:current_second,tv_nsec:p->nano[n]};
if (time_cmp(tick_start, nano) <= 0 &&
time_cmp(nano, tick_end) <= 0)
goto gotit;
}
}
continue;
gotit:
if (interval_empty(this, l, tick_start, tick_end))
continue;
p = &this->p[l];
/* TODO: only one call */
timeline_add_points_silent(this->g, this->w, p->line, p->color, &i, 1);
}
@@ -200,13 +189,11 @@ view *new_view_time(int number_of_seconds, float refresh_rate,
ret->g = g;
ret->w = w;
ret->t = calloc(number_of_seconds, sizeof(struct tick));
if (ret->t == NULL) abort();
ret->tsize = number_of_seconds;
ret->tstart = 0;
ret->tstart_time = 0;
ret->subcount = 0;
ret->pixel_length = 10 * 1000000; /* 10ms */
ret->p = NULL;
ret->psize = 0;
/* default pixel length: 10ms */
ret->pixel_length = 10 * 1000000;
register_notifier(g, "scrollup", w, scroll, ret);
register_notifier(g, "scrolldown", w, scroll, ret);
@@ -234,74 +221,26 @@ static void append(view *_this, struct timespec t)
{
struct subtime *this = (struct subtime *)_this;
struct time *time = this->parent;
time_t start_time, end_time;
int i, l;
int tpos;
struct plot *p;
struct plot *p = &time->p[this->subview];
if (pthread_mutex_lock(&time->lock)) abort();
start_time = time->tstart_time;
end_time = time->tstart_time + time->tsize - 1;
/* useless test? */
if (t.tv_sec < start_time) abort();
/* tick out of current window? if yes, move window */
/* if too far, free all */
if (t.tv_sec > end_time && t.tv_sec - end_time > time->tsize) {
for (l = 0; l < time->tsize; l++)
for (i = 0; i < time->subcount; i++) {
free(time->t[l].p[i].nano);
time->t[l].p[i].nano = NULL;
time->t[l].p[i].nanosize = 0;
time->t[l].p[i].nanomaxsize = 0;
}
time->tstart = 0;
time->tstart_time = t.tv_sec - (time->tsize-1);
start_time = time->tstart_time;
end_time = time->tstart_time + time->tsize - 1;
}
while (t.tv_sec > end_time) {
for (i = 0; i < time->subcount; i++) {
free(time->t[time->tstart].p[i].nano);
time->t[time->tstart].p[i].nano = NULL;
time->t[time->tstart].p[i].nanosize = 0;
time->t[time->tstart].p[i].nanomaxsize = 0;
}
time->tstart = (time->tstart+1) % time->tsize;
time->tstart_time++;
start_time++;
end_time++;
if (p->ticksize < p->tickmaxsize) {
p->tick[p->ticksize] = t;
p->ticksize++;
} else {
p->tick[p->tickstart] = t;
p->tickstart = (p->tickstart + 1) % p->ticksize;
}
tpos = (time->tstart + (t.tv_sec - time->tstart_time)) % time->tsize;
p = &time->t[tpos].p[this->subview];
/* can we get a new event with <= time than last in list? */
if (p->nanosize != 0 && t.tv_nsec <= p->nano[p->nanosize-1])
{ printf("%s:%d: possible?\n", __FILE__, __LINE__); abort(); }
if (p->nanosize == p->nanomaxsize) {
p->nanomaxsize += 4096;
p->nano = realloc(p->nano, p->nanomaxsize * sizeof(long));
if (p->nano == NULL) abort();
}
p->nano[p->nanosize] = t.tv_nsec;
p->nanosize++;
if (time->latest_time.tv_sec < t.tv_sec ||
(time->latest_time.tv_sec == t.tv_sec &&
time->latest_time.tv_nsec < t.tv_nsec))
if (time_cmp(time->latest_time, t) < 0)
time->latest_time = t;
if (pthread_mutex_unlock(&time->lock)) abort();
}
view *new_subview_time(view *_time, int line, int color)
view *new_subview_time(view *_time, int line, int color, int size)
{
int i;
struct time *time = (struct time *)_time;
struct subtime *ret = calloc(1, sizeof(struct subtime));
if (ret == NULL) abort();
@@ -313,20 +252,20 @@ view *new_subview_time(view *_time, int line, int color)
ret->parent = time;
ret->line = line;
ret->color = color;
ret->subview = time->subcount;
ret->subview = time->psize;
for (i = 0; i < time->tsize; i++) {
time->t[i].p = realloc(time->t[i].p,
(time->subcount + 1) * sizeof(struct plot));
if (time->t[i].p == NULL) abort();
time->t[i].p[time->subcount].nano = NULL;
time->t[i].p[time->subcount].nanosize = 0;
time->t[i].p[time->subcount].nanomaxsize = 0;
time->t[i].p[time->subcount].line = line;
time->t[i].p[time->subcount].color = color;
}
time->p = realloc(time->p,
(time->psize + 1) * sizeof(struct plot));
if (time->p == NULL) abort();
time->p[time->psize].tick = calloc(size, sizeof(struct timespec));
if (time->p[time->psize].tick == NULL) abort();
time->p[time->psize].ticksize = 0;
time->p[time->psize].tickmaxsize = size;
time->p[time->psize].tickstart = 0;
time->p[time->psize].line = line;
time->p[time->psize].color = color;
time->subcount++;
time->psize++;
if (pthread_mutex_unlock(&time->lock)) abort();
common/utils/T/tracer/view/view.h
+1 -1
View File
@@ -19,6 +19,6 @@ view *new_view_tti(float refresh_rate, gui *g, widget *w,
int color);
view *new_view_time(int number_of_seconds, float refresh_rate,
gui *g, widget *w);
view *new_subview_time(view *time, int line, int color);
view *new_subview_time(view *time, int line, int color, int size);
#endif /* _VIEW_H_ */