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added simple ASCII style histogram plot

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git-svn-id: https://zerberus.eonerc.rwth-aachen.de:8443/svn/s2ss/trunk@226 8ec27952-4edc-4aab-86aa-e87bb2611832
This commit is contained in:
Steffen Vogel 2014-09-09 09:23:23 +00:00
parent 112fbca28f
commit 310031dc16
4 changed files with 28 additions and 1 deletions
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3
server/include/config.h
View file

@ -21,6 +21,7 @@
#define SOCKET_PRIO 7
/* Some parameters for histogram statistics */
#define HIST_SEQ 33
#define HIST_HEIGHT 50
#define HIST_SEQ 17
#endif /* _CONFIG_H_ */

3
server/include/utils.h
View file

@ -70,6 +70,9 @@ double timespec_delta(struct timespec *start, struct timespec *end);
/** Get period as timespec from rate */
struct timespec timespec_rate(double rate);
/** Print ASCII style plot of histogram */
void hist_print(unsigned *hist, int length);
/** Dump histogram data in Matlab format */
void hist_dump(unsigned *hist, int length);

1
server/src/path.c
View file

@ -149,6 +149,7 @@ int path_stop(struct path *p)
if (p->received) {
path_stats(p);
hist_print(p->histogram, HIST_SEQ);
hist_dump(p->histogram, HIST_SEQ);
}

22
server/src/utils.c
View file

@ -122,6 +122,28 @@ struct timespec timespec_rate(double rate)
return ts;
}
void hist_print(unsigned *hist, int length)
{
char buf[HIST_HEIGHT + 8];
int max = 0;
/* Get max */
for (int i = 0; i < length; i++) {
if (hist[i] > hist[max])
max = i;
}
/* Print plot */
for (int i = 0; i < length; i++) {
memset(buf, 0, sizeof(buf));
for (int j = 0; j < HIST_HEIGHT * (float) hist[i] / hist[max]; j++)
strcat(buf, "#");
info("%2u: %s", i, buf);
}
}
void hist_dump(unsigned *hist, int length)
{
char tok[16];