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neper: fix histogram printing in csv files. #25

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neper: fix histogram printing in csv files. #25

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5 changes: 5 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1,3 +1,8 @@
*.csv
*.log
*.o
tcp_crr
tcp_rr
tcp_stream
udp_rr
udp_stream
11 changes: 4 additions & 7 deletions rr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,6 @@

#define NEPER_EPOLL_MASK (EPOLLHUP | EPOLLRDHUP | EPOLLERR)

static const int MILLION = 1000000;

typedef ssize_t (*rr_send_t)(struct flow *, const char *, size_t, int);
typedef ssize_t (*rr_recv_t)(struct flow *, char *, size_t);

Expand Down Expand Up @@ -455,18 +453,17 @@ static void rr_print_snap(struct thread *t, int flow_index,
if (snap && csv) {
const struct rr_snap_opaque *rso = (void *)&snap->opaque;

fprintf(csv, ",%f,%f,%f,%f",
rso->min / MILLION, rso->mean / MILLION,
rso->max / MILLION, rso->stddev / MILLION);
fprintf(csv, ",%.9f,%.9f,%.9f,%.9f",
rso->min, rso->mean, rso->max, rso->stddev);

if (t->percentiles) {
const struct options *opts = t->opts;
int i, j = 0;

for (i = 0; i < PER_INDEX_COUNT; i++)
if (percentiles_chosen(&opts->percentiles, i))
fprintf(csv, ",%f",
rso->percentile[j++] / MILLION);
fprintf(csv, ",%.9f",
rso->percentile[j++]);
}

fprintf(csv, "\n");
Expand Down