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| author |   Luca Boccassi <luca.boccassi@gmail.com> | 2018-04-23 14:16:57 +0100 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-04-23 14:17:34 +0100 |
| commit | 39157ec04095ab012d11db23c462844634bfbb8f (patch) | |
| tree | 643f83dc46445aa7834fe271ce2c21a5cb278cee /examples/l3fwd-power | |
| parent | 47d9763a1dd3103d732da9eec350cfc1cd784717 (diff) | |
New upstream version 16.11.5upstream/16.11.5
Change-Id: I47171042629a57c6958d50251351e668ca5f3d8b
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'examples/l3fwd-power')
| -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 eb5adb6e..217a448b 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -83,8 +83,6 @@ #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 */ @@ -824,7 +822,7 @@ 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 portid, queueid; @@ -838,6 +836,8 @@ 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]; @@ -883,7 +883,7 @@ 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; } @@ -999,9 +999,11 @@ 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; } |