time.c File Reference

#include "lib/time.h"
#include "lib/arith.h"
#include "lib/assert.h"
#include "lib/atomic.h"
#include "lib/semaphore.h"
#include "lib/thread.h"
#include "lib/trace.h"
#include "lib/ub.h"
#include "ut/ut.h"

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Data Structures
struct	time_test
struct	time_test_thread

Enumerations
enum	{ THREADS_NR_MAX = 32, TIME_VALUES_NR = 0x10000, DIFF_ACCEPTED = 2000000 }
enum	{ UB_TIME_ITER = 0x1000000 }

Functions
static void	time_test_simple (void)
static void	time_thread (int thread_index)
static m0_time_t	tv (int index)
static m0_time_t	tv_prev (int index)
static void	time_test_check (int64_t a, int64_t b, int64_t c)
static void	time_test_mt_nr (int threads_nr)
void	m0_ut_time_test (void)
static void	ub_time_round (int unused)

Variables
static struct time_test	time_values [TIME_VALUES_NR]
static struct time_test_thread	time_threads [THREADS_NR_MAX]
static struct m0_atomic64	time_index
static unsigned long	err_nr
static m0_time_t	err_max
struct m0_ub_set	m0_time_ub

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
THREADS_NR_MAX
TIME_VALUES_NR
DIFF_ACCEPTED	2ms accepted difference between m0_time_now() on different cores

Definition at line 35 of file time.c.

anonymous enum

anonymous enum

Enumerator
UB_TIME_ITER

Definition at line 237 of file time.c.

Function Documentation

m0_ut_time_test()

void m0_ut_time_test

(

void

)

Definition at line 228 of file time.c.

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time_test_check()

static void time_test_check ( int64_t  a, int64_t  b, int64_t  c  )

static

Definition at line 150 of file time.c.

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time_test_mt_nr()

static void time_test_mt_nr ( int  threads_nr )

static

Definition at line 169 of file time.c.

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time_test_simple()

static void time_test_simple ( void  )

static

Definition at line 59 of file time.c.

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time_thread()

static void time_thread ( int  thread_index )

static

Definition at line 109 of file time.c.

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tv()

static m0_time_t tv ( int  index )

static

Definition at line 129 of file time.c.

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tv_prev()

static m0_time_t tv_prev ( int  index )

static

Definition at line 135 of file time.c.

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ub_time_round()

static void ub_time_round ( int  unused )

static

Definition at line 239 of file time.c.

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Variable Documentation

err_max

m0_time_t err_max

static

Maximum out-of-sync error

Definition at line 57 of file time.c.

err_nr

unsigned long err_nr

static

Number of out-of-sync errors

Definition at line 56 of file time.c.

m0_time_ub

struct m0_ub_set m0_time_ub

Initial value:

= {
        .us_name = "time-ub",
        .us_init = NULL,
        .us_fini = NULL,
        .us_run  = {
                        {       .ub_name = "now",
                                .ub_iter = UB_TIME_ITER,
                                .ub_round = ub_time_round },
                        {       .ub_name = NULL           }
        }
}

Definition at line 244 of file time.c.

time_index

struct m0_atomic64 time_index

static

Definition at line 55 of file time.c.

time_threads

struct time_test_thread time_threads[THREADS_NR_MAX]

static

Definition at line 54 of file time.c.

time_values

struct time_test time_values[TIME_VALUES_NR]

static

Definition at line 53 of file time.c.