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Perf: changed route update pattern to be more like common protocols

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This commit is contained in:
Maria Matejka 2020-01-27 17:42:11 +01:00
parent e2630a494e
commit dc042d87cb
2 changed files with 30 additions and 38 deletions
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65
proto/perf/perf.c
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@ -85,12 +85,11 @@ random_net_ip4(void)
}
struct perf_random_routes {
struct rta *a;
net_addr net;
rte *ep;
struct rta a;
};
static const uint perf_random_routes_size = sizeof(struct perf_random_routes) + (RTA_MAX_SIZE - sizeof(struct rta));
//static const uint perf_random_routes_size = sizeof(struct perf_random_routes) + (RTA_MAX_SIZE - sizeof(struct rta));
static inline s64 timediff(struct timespec *begin, struct timespec *end)
{ return (end->tv_sec - begin->tv_sec) * (s64) 1000000000 + end->tv_nsec - begin->tv_nsec; }
@ -126,12 +125,10 @@ perf_loop(void *data)
struct perf_proto *p = data;
const uint N = 1U << p->exp;
const uint offset = perf_random_routes_size;
if (!p->run) {
ASSERT(p->data == NULL);
p->data = xmalloc(offset * N);
bzero(p->data, offset * N);
p->data = xmalloc(sizeof(struct perf_random_routes) * N);
p->stop = 1;
}
@ -141,49 +138,40 @@ perf_loop(void *data)
clock_gettime(CLOCK_MONOTONIC, &ts_begin);
struct rta *a = NULL;
for (uint i=0; i<N; i++) {
struct perf_random_routes *prr = p->data + offset * i;
*((net_addr_ip4 *) &prr->net) = random_net_ip4();
*((net_addr_ip4 *) &(p->data[i].net)) = random_net_ip4();
if (!p->attrs_per_rte || !(i % p->attrs_per_rte)) {
a = &prr->a;
bzero(a, RTA_MAX_SIZE);
struct rta a0 = {
.src = p->p.main_source,
.source = RTS_PERF,
.scope = SCOPE_UNIVERSE,
.dest = RTD_UNICAST,
.nh.iface = p->ifa->iface,
.nh.gw = gw,
.nh.weight = 1,
};
a->src = p->p.main_source;
a->source = RTS_PERF;
a->scope = SCOPE_UNIVERSE;
a->dest = RTD_UNICAST;
a->nh.iface = p->ifa->iface;
a->nh.gw = gw;
a->nh.weight = 1;
if (p->attrs_per_rte)
a = rta_lookup(a);
p->data[i].a = rta_lookup(&a0);
}
ASSERT(a);
prr->ep = rte_get_temp(a);
prr->ep->pflags = 0;
else
p->data[i].a = rta_clone(p->data[i-1].a);
}
clock_gettime(CLOCK_MONOTONIC, &ts_generated);
for (uint i=0; i<N; i++) {
struct perf_random_routes *prr = p->data + offset * i;
rte_update(P, &prr->net, prr->ep);
rte *e = rte_get_temp(p->data[i].a);
e->pflags = 0;
rte_update(P, &(p->data[i].net), e);
}
clock_gettime(CLOCK_MONOTONIC, &ts_update);
if (!p->keep)
for (uint i=0; i<N; i++) {
struct perf_random_routes *prr = p->data + offset * i;
rte_update(P, &prr->net, NULL);
}
for (uint i=0; i<N; i++)
rte_update(P, &(p->data[i].net), NULL);
clock_gettime(CLOCK_MONOTONIC, &ts_withdraw);
@ -229,10 +217,10 @@ perf_feed_begin(struct channel *c, int initial UNUSED)
struct perf_proto *p = (struct perf_proto *) c->proto;
p->run++;
p->data = xmalloc(sizeof(struct timespec));
p->feed_begin = xmalloc(sizeof(struct timespec));
p->exp = 0;
clock_gettime(CLOCK_MONOTONIC, p->data);
clock_gettime(CLOCK_MONOTONIC, p->feed_begin);
}
static void
@ -242,10 +230,13 @@ perf_feed_end(struct channel *c)
struct timespec ts_end;
clock_gettime(CLOCK_MONOTONIC, &ts_end);
s64 feedtime = timediff(p->data, &ts_end);
s64 feedtime = timediff(p->feed_begin, &ts_end);
PLOG("feed n=%lu time=%lu", p->exp, feedtime);
xfree(p->feed_begin);
p->feed_begin = NULL;
if (p->run < p->repeat)
channel_request_feeding(c);
else

3
proto/perf/perf.h
View file

@ -29,7 +29,8 @@ struct perf_config {
struct perf_proto {
struct proto p;
struct ifa *ifa;
void *data;
struct perf_random_routes *data;
struct timespec *feed_begin;
event *loop;
btime threshold_min;
btime threshold_max;