Skip to content

F
FMC DEL 1ns 4cha - Software
Commit 5a3a6f17 authored by Alessandro Rubini's avatar Alessandro Rubini
Browse files
Options

tools/fd-raw-perf.c: added env(PERF_STEP)

parent 997a9198
Hide whitespace changes
Inline Side-by-side
Showing with 17 additions and 3 deletions
tools/fd-raw-perf.c
View file @ 5a3a6f17
......@@ -34,6 +34,7 @@
struct fd_perf {
/* sequence is 16-bits, do the same here */
uint16_t first, prev; /* sequence numbers: -1 == "not in a burst" */
struct timeval tv;
uint nev;
uint64_t pico_tot, micro_tot;
int64_t pico_prev, pico_min, pico_max, pico_avg;
......@@ -51,13 +52,12 @@ static void perf_clean(struct fd_perf *p)
static void perf_one(struct fd_perf *p, uint32_t *a /* attrs */)
{
struct timeval tv;
int64_t pico, micro, diff;
gettimeofday(&tv, NULL);
gettimeofday(&p->tv, NULL);
pico = a[FD_ATTR_TDC_COARSE] * 8000LL
+ (a[FD_ATTR_TDC_FRAC] << 12) / 8000;
micro = tv.tv_usec;
micro = p->tv.tv_usec;
if (!p->nev) {
p->first = a[FD_ATTR_TDC_SEQ];
......@@ -130,6 +130,10 @@ int main(int argc, char **argv)
struct fd_perf perf = {0,};
int floatmode = 0;
uint32_t *attrs;
int step = 0;
if (getenv("PERF_STEP"))
step = atoi(getenv("PERF_STEP"));
if (argc > 1 && !strcmp(argv[1], "-f")) {
floatmode = 1;
......@@ -209,6 +213,16 @@ int main(int argc, char **argv)
attrs = ctrl.attr_channel.ext_val;
perf_one(&perf, attrs);
}
if (step && perf.nev) {
static time_t t;
/* don't make an extra system call, use perf.tv */
if (perf.nev == 1)
t = perf.tv.tv_sec;
else
if (perf.tv.tv_sec - t >= step)
perf_report_clean(&perf);
}
}
return 0;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment