diff options
| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2018-03-07 11:22:30 +0000 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-03-07 11:23:17 +0000 |
| commit | c3f15def2ebe9cc255cf0e5cf32aa171f5b4326d (patch) | |
| tree | 8c8fc77df57bca8c0bfe4d0e8797879e12c6d6f9 /examples/l3fwd-power/main.c | |
| parent | 169a9de21e263aa6599cdc2d87a45ae158d9f509 (diff) | |
New upstream version 17.11.1upstream/17.11.1
Change-Id: Ida1700b5dac8649fc563670a37278e636bea051c
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'examples/l3fwd-power/main.c')
| -rw-r--r-- | examples/l3fwd-power/main.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c index 0a4ed145..50c3702f 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -79,8 +79,6 @@ #define MIN_ZERO_POLL_COUNT 10 -/* around 100ms at 2 Ghz */ -#define TIMER_RESOLUTION_CYCLES 200000000ULL /* 100 ms interval */ #define TIMER_NUMBER_PER_SECOND 10 /* 100000 us */ @@ -875,7 +873,7 @@ main_loop(__attribute__((unused)) void *dummy) { struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; unsigned lcore_id; - uint64_t prev_tsc, diff_tsc, cur_tsc; + uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz; uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power; int i, j, nb_rx; uint8_t queueid; @@ -890,6 +888,8 @@ main_loop(__attribute__((unused)) void *dummy) const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; prev_tsc = 0; + hz = rte_get_timer_hz(); + tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND; lcore_id = rte_lcore_id(); qconf = &lcore_conf[lcore_id]; @@ -935,7 +935,7 @@ main_loop(__attribute__((unused)) void *dummy) } diff_tsc_power = cur_tsc_power - prev_tsc_power; - if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) { + if (diff_tsc_power > tim_res_tsc) { rte_timer_manage(); prev_tsc_power = cur_tsc_power; } @@ -1051,9 +1051,11 @@ start_rx: turn_on_intr(qconf); sleep_until_rx_interrupt( qconf->n_rx_queue); + /** + * start receiving packets immediately + */ + goto start_rx; } - /* start receiving packets immediately */ - goto start_rx; } stats[lcore_id].sleep_time += lcore_idle_hint; } |