#define included_time_h
#include <vppinfra/clib.h>
+#include <vppinfra/format.h>
typedef struct
{
from clock cycles into seconds. */
f64 seconds_per_clock;
- f64 round_to_units;
-
/* Time stamp of call to clib_time_init call. */
u64 init_cpu_time;
+ f64 init_reference_time;
u64 last_verify_cpu_time;
f64 last_verify_reference_time;
u32 log2_clocks_per_second, log2_clocks_per_frequency_verify;
+
+ /* Damping constant */
+ f64 damping_constant;
+
} clib_time_t;
+format_function_t format_clib_time;
+
/* Return CPU time stamp as 64bit number. */
#if defined(__x86_64__) || defined(i386)
always_inline u64
void clib_time_verify_frequency (clib_time_t * c);
+/* Define it as the type returned by clib_time_now */
+typedef f64 clib_time_type_t;
+typedef u64 clib_us_time_t;
+
+#define CLIB_US_TIME_PERIOD (1e-6)
+#define CLIB_US_TIME_FREQ (1.0/CLIB_US_TIME_PERIOD)
+
always_inline f64
clib_time_now_internal (clib_time_t * c, u64 n)
{
u64 l = c->last_cpu_time;
u64 t = c->total_cpu_time;
+ f64 rv;
t += n - l;
c->total_cpu_time = t;
c->last_cpu_time = n;
+ rv = t * c->seconds_per_clock;
if (PREDICT_FALSE
((c->last_cpu_time -
c->last_verify_cpu_time) >> c->log2_clocks_per_frequency_verify))
clib_time_verify_frequency (c);
- return t * c->seconds_per_clock;
+ return rv;
}
/* Maximum f64 value as max clib_time */