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weston-log-flight-rec: Map ring buffer using memset() 

This makes flight recorder creation faster by using wider store
instructions (depending on the memset() implementation).

Signed-off-by: Loïc Molinari <loic.molinari@gmail.com>
This commit is contained in:
Loïc Molinari 2023-03-10 10:04:13 +01:00
parent ff00ae4218
commit ad141defcd
1 changed files with 1 additions and 10 deletions
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11
libweston/weston-log-flight-rec.c
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@ -177,15 +177,6 @@ weston_log_flight_recorder_write(struct weston_log_subscriber *sub,
}
static void
weston_log_flight_recorder_map_memory(struct weston_debug_log_flight_recorder *flight_rec)
{
size_t i = 0;
for (i = 0; i < flight_rec->rb.size; i++)
flight_rec->rb.buf[i] = 0xff;
}
static void
weston_log_subscriber_display_flight_rec_data(struct weston_ring_buffer *rb,
FILE *file)
@ -271,7 +262,7 @@ weston_log_subscriber_create_flight_rec(size_t size)
weston_primary_flight_recorder_ring_buffer = &flight_rec->rb;
/* write some data to the rb such that the memory gets mapped */
weston_log_flight_recorder_map_memory(flight_rec);
memset(flight_rec->rb.buf, 0xff, flight_rec->rb.size);
return &flight_rec->base;
}