#include <vppinfra/cache.h>
#include <vppinfra/error.h>
#include <vppinfra/tw_timer_2t_1w_2048sl.h>
+#include <vppinfra/tw_timer_2t_2w_512sl.h>
#include <vppinfra/tw_timer_16t_2w_512sl.h>
+#include <vppinfra/tw_timer_4t_3w_256sl.h>
+#include <vppinfra/tw_timer_1t_3w_1024sl_ov.h>
typedef struct
{
u32 stop_timer_handle;
/** Test item should expire at this clock tick */
- u32 expected_to_expire;
+ u64 expected_to_expire;
} tw_timer_test_elt_t;
typedef struct
/** The double-wheel */
tw_timer_wheel_16t_2w_512sl_t double_wheel;
+ /* The triple wheel */
+ tw_timer_wheel_4t_3w_256sl_t triple_wheel;
+
+ /* The triple wheel with overflow vector */
+ tw_timer_wheel_1t_3w_1024sl_ov_t triple_ov_wheel;
+
+ /* Another two timer wheel geometry */
+ tw_timer_wheel_2t_2w_512sl_t two_timer_double_wheel;
+
/** random number seed */
- u32 seed;
+ u64 seed;
/** number of timers */
u32 ntimers;
}
}
+static void
+run_two_timer_double_wheel (tw_timer_wheel_2t_2w_512sl_t * tw, u32 n_ticks)
+{
+ u32 i;
+ f64 now = tw->last_run_time + 1.01;
+
+ for (i = 0; i < n_ticks; i++)
+ {
+ tw_timer_expire_timers_2t_2w_512sl (tw, now);
+ now += 1.01;
+ }
+}
+
+static void
+run_triple_wheel (tw_timer_wheel_4t_3w_256sl_t * tw, u32 n_ticks)
+{
+ u32 i;
+ f64 now = tw->last_run_time + 1.01;
+
+ for (i = 0; i < n_ticks; i++)
+ {
+ tw_timer_expire_timers_4t_3w_256sl (tw, now);
+ now += 1.01;
+ }
+}
+
+static void
+run_triple_ov_wheel (tw_timer_wheel_1t_3w_1024sl_ov_t * tw, u32 n_ticks)
+{
+ u32 i;
+ f64 now = tw->last_run_time + 1.01;
+
+ for (i = 0; i < n_ticks; i++)
+ {
+ tw_timer_expire_timers_1t_3w_1024sl_ov (tw, now);
+ now += 1.01;
+ }
+}
+
static void
expired_timer_single_callback (u32 * expired_timers)
{
if (e->expected_to_expire != tm->single_wheel.current_tick)
{
- fformat (stdout, "[%d] expired at %d not %d\n",
+ fformat (stdout, "[%d] expired at %lld not %lld\n",
e - tm->test_elts, tm->single_wheel.current_tick,
e->expected_to_expire);
}
if (e->expected_to_expire != tm->double_wheel.current_tick)
{
- fformat (stdout, "[%d] expired at %d not %d\n",
+ fformat (stdout, "[%d] expired at %lld not %lld\n",
e - tm->test_elts, tm->double_wheel.current_tick,
e->expected_to_expire);
}
}
}
+static void
+expired_timer_two_timer_double_callback (u32 * expired_timers)
+{
+ int i;
+ u32 pool_index, timer_id;
+ tw_timer_test_elt_t *e;
+ tw_timer_test_main_t *tm = &tw_timer_test_main;
+
+ for (i = 0; i < vec_len (expired_timers); i++)
+ {
+ pool_index = expired_timers[i] & 0x7FFFFFFF;
+ timer_id = expired_timers[i] >> 31;
+
+ ASSERT (timer_id == 1);
+
+ e = pool_elt_at_index (tm->test_elts, pool_index);
+
+ if (e->expected_to_expire != tm->two_timer_double_wheel.current_tick)
+ {
+ fformat (stdout, "[%d] expired at %lld not %lld\n",
+ e - tm->test_elts, tm->two_timer_double_wheel.current_tick,
+ e->expected_to_expire);
+ }
+ pool_put (tm->test_elts, e);
+ }
+}
+
+static void
+expired_timer_triple_callback (u32 * expired_timers)
+{
+ int i;
+ u32 pool_index, timer_id;
+ tw_timer_test_elt_t *e;
+ tw_timer_test_main_t *tm = &tw_timer_test_main;
+
+ for (i = 0; i < vec_len (expired_timers); i++)
+ {
+ pool_index = expired_timers[i] & 0x3FFFFFFF;
+ timer_id = expired_timers[i] >> 30;
+
+ ASSERT (timer_id == 3);
+
+ e = pool_elt_at_index (tm->test_elts, pool_index);
+
+ if (e->expected_to_expire != tm->triple_wheel.current_tick)
+ {
+ fformat (stdout, "[%d] expired at %lld not %lld\n",
+ e - tm->test_elts, tm->triple_wheel.current_tick,
+ e->expected_to_expire);
+ }
+ pool_put (tm->test_elts, e);
+ }
+}
+
+static void
+expired_timer_triple_ov_callback (u32 * expired_timers)
+{
+ int i;
+ u32 pool_index;
+ tw_timer_test_elt_t *e;
+ tw_timer_test_main_t *tm = &tw_timer_test_main;
+
+ for (i = 0; i < vec_len (expired_timers); i++)
+ {
+ pool_index = expired_timers[i];
+
+ e = pool_elt_at_index (tm->test_elts, pool_index);
+
+ if (e->expected_to_expire != tm->triple_ov_wheel.current_tick)
+ {
+ fformat (stdout, "[%d] expired at %lld not %lld\n",
+ e - tm->test_elts, tm->triple_ov_wheel.current_tick,
+ e->expected_to_expire);
+ }
+ pool_put (tm->test_elts, e);
+ }
+}
+
static clib_error_t *
test2_single (tw_timer_test_main_t * tm)
{
u32 i, j;
tw_timer_test_elt_t *e;
u32 initial_wheel_offset;
- u32 expiration_time;
+ u64 expiration_time;
u32 max_expiration_time = 0;
u32 *deleted_indices = 0;
u32 adds = 0, deletes = 0;
tw_timer_wheel_init_2t_1w_2048sl (&tm->single_wheel,
expired_timer_single_callback,
- 1.0 /* timer interval */ );
+ 1.0 /* timer interval */ , ~0);
/* Prime offset */
initial_wheel_offset = 757;
run_single_wheel (&tm->single_wheel, initial_wheel_offset);
- fformat (stdout, "test %d timers, %d iter, %d ticks per iter, 0x%x seed\n",
+ fformat (stdout, "initial wheel time %d, fast index %d\n",
+ tm->single_wheel.current_tick,
+ tm->single_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ initial_wheel_offset = tm->single_wheel.current_tick;
+
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
before = clib_time_now (&tm->clib_time);
for (i = 0; i < tm->ntimers; i++)
{
pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
+ clib_memset (e, 0, sizeof (*e));
do
{
- expiration_time = random_u32 (&tm->seed) & (2047);
+ expiration_time = random_u64 (&tm->seed) & (2047);
}
while (expiration_time == 0);
del_and_re_add:
for (j = 0; j < vec_len (deleted_indices); j++)
- pool_put_index (tm->test_elts, deleted_indices[j]);
+ {
+ pool_put_index (tm->test_elts, deleted_indices[j]);
+ }
deletes += j;
for (j = 0; j < tm->ntimers / 4; j++)
{
pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
+ clib_memset (e, 0, sizeof (*e));
do
{
- expiration_time = random_u32 (&tm->seed) & (2047);
+ expiration_time = random_u64 (&tm->seed) & (2047);
}
while (expiration_time == 0);
tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
expired_timer_double_callback,
- 1.0 /* timer interval */ );
+ 1.0 /* timer interval */ , ~0);
/* Prime offset */
- initial_wheel_offset = 757;
+ initial_wheel_offset = 7577;
run_double_wheel (&tm->double_wheel, initial_wheel_offset);
- fformat (stdout, "test %d timers, %d iter, %d ticks per iter, 0x%x seed\n",
+ fformat (stdout, "initial wheel time %d, fast index %d slow index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->double_wheel.current_index[TW_TIMER_RING_SLOW]);
+
+ initial_wheel_offset = tm->double_wheel.current_tick;
+
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
before = clib_time_now (&tm->clib_time);
for (i = 0; i < tm->ntimers; i++)
{
pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
+ clib_memset (e, 0, sizeof (*e));
do
{
- expiration_time = random_u32 (&tm->seed) & ((1 << 17) - 1);
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
}
while (expiration_time == 0);
max_expiration_time = expiration_time;
e->expected_to_expire = expiration_time + initial_wheel_offset;
+
e->stop_timer_handle =
tw_timer_start_16t_2w_512sl (&tm->double_wheel, e - tm->test_elts,
14 /* timer id */ ,
for (j = 0; j < tm->ntimers / 4; j++)
{
pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
+ clib_memset (e, 0, sizeof (*e));
do
{
- expiration_time = random_u32 (&tm->seed) & ((1 << 17) - 1);
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
}
while (expiration_time == 0);
e->expected_to_expire = expiration_time +
tm->double_wheel.current_tick;
+
e->stop_timer_handle = tw_timer_start_16t_2w_512sl
(&tm->double_wheel, e - tm->test_elts, 14 /* timer id */ ,
expiration_time);
return 0;
}
+static u32
+get_expiration_time (tw_timer_test_main_t * tm)
+{
+ u32 expiration_time;
+ do
+ {
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
+ }
+ while (expiration_time == 0);
+ return expiration_time;
+}
+
static clib_error_t *
-test1_single (tw_timer_test_main_t * tm)
+test2_double_updates (tw_timer_test_main_t * tm)
{
- u32 i;
+ u32 i, j;
tw_timer_test_elt_t *e;
- u32 offset;
+ u32 initial_wheel_offset;
+ u32 expiration_time;
+ u32 max_expiration_time = 0, updates = 0;
+ f64 before, after;
- tw_timer_wheel_init_2t_1w_2048sl (&tm->single_wheel,
- expired_timer_single_callback,
- 1.0 /* timer interval */ );
+ clib_time_init (&tm->clib_time);
+ tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
+ expired_timer_double_callback,
+ 1.0 /* timer interval */ , ~0);
- /*
- * Prime offset, to make sure that the wheel starts in a
- * non-trivial position
- */
- offset = 123;
+ /* Prime offset */
+ initial_wheel_offset = 7577;
+ run_double_wheel (&tm->double_wheel, initial_wheel_offset);
+ fformat (stdout, "initial wheel time %d, fast index %d slow index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->double_wheel.current_index[TW_TIMER_RING_SLOW]);
- run_single_wheel (&tm->single_wheel, offset);
+ initial_wheel_offset = tm->double_wheel.current_tick;
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
+ tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
- fformat (stdout, "initial wheel time %d, fast index %d\n",
- tm->single_wheel.current_tick,
- tm->single_wheel.current_index[TW_TIMER_RING_FAST]);
+ before = clib_time_now (&tm->clib_time);
+ /* Prime the pump */
for (i = 0; i < tm->ntimers; i++)
{
- u32 expected_to_expire;
- u32 timer_arg;
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
- timer_arg = 1 + i;
- timer_arg &= 2047;
- if (timer_arg == 0)
- timer_arg = 1;
+ expiration_time = get_expiration_time (tm);
+ max_expiration_time = clib_max (expiration_time, max_expiration_time);
- expected_to_expire = timer_arg + offset;
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+ e->stop_timer_handle = tw_timer_start_16t_2w_512sl (&tm->double_wheel,
+ e - tm->test_elts,
+ 14 /* timer id */ ,
+ expiration_time);
+ }
- pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
- e->expected_to_expire = expected_to_expire;
- e->stop_timer_handle = tw_timer_start_2t_1w_2048sl
- (&tm->single_wheel, e - tm->test_elts, 1 /* timer id */ ,
- timer_arg);
+ for (i = 0; i < tm->niter; i++)
+ {
+ run_double_wheel (&tm->double_wheel, tm->ticks_per_iter);
+
+ j = 0;
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ expiration_time = get_expiration_time (tm);
+ max_expiration_time = clib_max (expiration_time, max_expiration_time);
+ e->expected_to_expire = expiration_time
+ + tm->double_wheel.current_tick;
+ tw_timer_update_16t_2w_512sl (&tm->double_wheel, e->stop_timer_handle,
+ expiration_time);
+ if (++j >= tm->ntimers / 4)
+ goto done;
+ }));
+ /* *INDENT-ON* */
+
+ done:
+ updates += j;
}
- run_single_wheel (&tm->single_wheel, tm->ntimers + 3);
+
+ run_double_wheel (&tm->double_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d updates, %d ticks\n", updates,
+ tm->double_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) updates + (f64) tm->double_wheel.current_tick) / (after -
+ before));
if (pool_elts (tm->test_elts))
fformat (stdout, "Note: %d elements remain in pool\n",
/* *INDENT-OFF* */
pool_foreach (e, tm->test_elts,
({
- fformat(stdout, "[%d] expected to expire %d\n",
- e - tm->test_elts,
- e->expected_to_expire);
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
}));
/* *INDENT-ON* */
- fformat (stdout,
- "final wheel time %d, fast index %d\n",
- tm->single_wheel.current_tick,
- tm->single_wheel.current_index[TW_TIMER_RING_FAST]);
-
pool_free (tm->test_elts);
- tw_timer_wheel_free_2t_1w_2048sl (&tm->single_wheel);
+ tw_timer_wheel_free_16t_2w_512sl (&tm->double_wheel);
return 0;
}
static clib_error_t *
-test1_double (tw_timer_test_main_t * tm)
+test2_triple (tw_timer_test_main_t * tm)
{
- u32 i;
+ u32 i, j;
tw_timer_test_elt_t *e;
- u32 offset;
+ u32 initial_wheel_offset = 0;
+ u32 expiration_time;
+ u32 max_expiration_time = 0;
+ u32 *deleted_indices = 0;
+ u32 adds = 0, deletes = 0;
+ f64 before, after;
- tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
- expired_timer_double_callback,
- 1.0 /* timer interval */ );
+ clib_time_init (&tm->clib_time);
- /*
- * Prime offset, to make sure that the wheel starts in a
- * non-trivial position
- */
- offset = 227989;
+ tw_timer_wheel_init_4t_3w_256sl (&tm->triple_wheel,
+ expired_timer_triple_callback,
+ 1.0 /* timer interval */ , ~0);
- run_double_wheel (&tm->double_wheel, offset);
- fformat (stdout, "initial wheel time %d, fast index %d\n",
- tm->double_wheel.current_tick,
- tm->double_wheel.current_index[TW_TIMER_RING_FAST]);
+ /* Prime offset */
+ initial_wheel_offset = 75700;
+ run_triple_wheel (&tm->triple_wheel, initial_wheel_offset);
+
+ fformat (stdout,
+ "initial wheel time %d, fi %d si %d gi %d\n",
+ tm->triple_wheel.current_tick,
+ tm->triple_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->triple_wheel.current_index[TW_TIMER_RING_SLOW],
+ tm->triple_wheel.current_index[TW_TIMER_RING_GLACIER]);
+
+ initial_wheel_offset = tm->triple_wheel.current_tick;
+
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
+ tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
+
+ before = clib_time_now (&tm->clib_time);
+ /* Prime the pump */
for (i = 0; i < tm->ntimers; i++)
{
pool_get (tm->test_elts, e);
- memset (e, 0, sizeof (*e));
-
- e->expected_to_expire = i + offset + 1;
- e->stop_timer_handle = tw_timer_start_16t_2w_512sl
- (&tm->double_wheel, e - tm->test_elts, 14 /* timer id */ ,
- i + 1);
- }
- run_double_wheel (&tm->double_wheel, tm->ntimers + 3);
+ clib_memset (e, 0, sizeof (*e));
- if (pool_elts (tm->test_elts))
- fformat (stdout, "Note: %d elements remain in pool\n",
- pool_elts (tm->test_elts));
+ do
+ {
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
+ }
+ while (expiration_time == 0);
- /* *INDENT-OFF* */
- pool_foreach (e, tm->test_elts,
- ({
- fformat(stdout, "[%d] expected to expire %d\n",
- e - tm->test_elts,
- e->expected_to_expire);
- }));
- /* *INDENT-ON* */
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
- fformat (stdout,
- "final wheel time %d, fast index %d\n",
- tm->double_wheel.current_tick,
- tm->double_wheel.current_index[TW_TIMER_RING_FAST]);
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+
+ e->stop_timer_handle =
+ tw_timer_start_4t_3w_256sl (&tm->triple_wheel, e - tm->test_elts,
+ 3 /* timer id */ ,
+ expiration_time);
+ }
+
+ adds += i;
+
+ for (i = 0; i < tm->niter; i++)
+ {
+ run_triple_wheel (&tm->triple_wheel, tm->ticks_per_iter);
+
+ j = 0;
+ vec_reset_length (deleted_indices);
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ tw_timer_stop_4t_3w_256sl (&tm->triple_wheel, e->stop_timer_handle);
+ vec_add1 (deleted_indices, e - tm->test_elts);
+ if (++j >= tm->ntimers / 4)
+ goto del_and_re_add;
+ }));
+ /* *INDENT-ON* */
+
+ del_and_re_add:
+ for (j = 0; j < vec_len (deleted_indices); j++)
+ pool_put_index (tm->test_elts, deleted_indices[j]);
+
+ deletes += j;
+
+ for (j = 0; j < tm->ntimers / 4; j++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ do
+ {
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
+ }
+ while (expiration_time == 0);
+
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
+
+ e->expected_to_expire = expiration_time +
+ tm->triple_wheel.current_tick;
+
+ e->stop_timer_handle = tw_timer_start_4t_3w_256sl
+ (&tm->triple_wheel, e - tm->test_elts, 3 /* timer id */ ,
+ expiration_time);
+ }
+ adds += j;
+ }
+
+ vec_free (deleted_indices);
+
+ run_triple_wheel (&tm->triple_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d adds, %d deletes, %d ticks\n", adds, deletes,
+ tm->triple_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) adds + (f64) deletes +
+ (f64) tm->triple_wheel.current_tick) / (after - before));
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_4t_3w_256sl (&tm->triple_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test2_triple_ov (tw_timer_test_main_t * tm)
+{
+ u32 i, j;
+ tw_timer_test_elt_t *e;
+ u32 initial_wheel_offset = 0;
+ u32 expiration_time;
+ u32 max_expiration_time = 0;
+ u32 *deleted_indices = 0;
+ u32 adds = 0, deletes = 0;
+ f64 before, after;
+
+ clib_time_init (&tm->clib_time);
+
+ tw_timer_wheel_init_1t_3w_1024sl_ov (&tm->triple_ov_wheel,
+ expired_timer_triple_ov_callback,
+ 1.0 /* timer interval */ , ~0);
+
+
+ /* Prime offset */
+ initial_wheel_offset = 75700;
+ run_triple_ov_wheel (&tm->triple_ov_wheel, initial_wheel_offset);
+
+ fformat (stdout,
+ "initial wheel time %d, fi %d si %d gi %d\n",
+ tm->triple_ov_wheel.current_tick,
+ tm->triple_ov_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->triple_ov_wheel.current_index[TW_TIMER_RING_SLOW],
+ tm->triple_ov_wheel.current_index[TW_TIMER_RING_GLACIER]);
+
+ initial_wheel_offset = tm->triple_ov_wheel.current_tick;
+
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
+ tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
+
+ before = clib_time_now (&tm->clib_time);
+
+ /* Prime the pump */
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ do
+ {
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
+ }
+ while (expiration_time == 0);
+
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
+
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+
+ e->stop_timer_handle =
+ tw_timer_start_1t_3w_1024sl_ov (&tm->triple_ov_wheel,
+ e - tm->test_elts, 0 /* timer id */ ,
+ expiration_time);
+ }
+
+ adds += i;
+
+ for (i = 0; i < tm->niter; i++)
+ {
+ run_triple_ov_wheel (&tm->triple_ov_wheel, tm->ticks_per_iter);
+
+ j = 0;
+ vec_reset_length (deleted_indices);
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ tw_timer_stop_1t_3w_1024sl_ov (&tm->triple_ov_wheel,
+ e->stop_timer_handle);
+ vec_add1 (deleted_indices, e - tm->test_elts);
+ if (++j >= tm->ntimers / 4)
+ goto del_and_re_add;
+ }));
+ /* *INDENT-ON* */
+
+ del_and_re_add:
+ for (j = 0; j < vec_len (deleted_indices); j++)
+ pool_put_index (tm->test_elts, deleted_indices[j]);
+
+ deletes += j;
+
+ for (j = 0; j < tm->ntimers / 4; j++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ do
+ {
+ expiration_time = random_u64 (&tm->seed) & ((1 << 17) - 1);
+ }
+ while (expiration_time == 0);
+
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
+
+ e->expected_to_expire = expiration_time +
+ tm->triple_ov_wheel.current_tick;
+
+ e->stop_timer_handle = tw_timer_start_1t_3w_1024sl_ov
+ (&tm->triple_ov_wheel, e - tm->test_elts, 0 /* timer id */ ,
+ expiration_time);
+ }
+ adds += j;
+ }
+
+ vec_free (deleted_indices);
+
+ run_triple_ov_wheel (&tm->triple_ov_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d adds, %d deletes, %d ticks\n", adds, deletes,
+ tm->triple_ov_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) adds + (f64) deletes +
+ (f64) tm->triple_ov_wheel.current_tick) / (after - before));
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ TWT (tw_timer) * t;
+
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ t = pool_elt_at_index (tm->triple_ov_wheel.timers, e->stop_timer_handle);
+ fformat (stdout, " expiration_time %lld\n", t->expiration_time);
+ }));
+ /* *INDENT-ON* */
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_1t_3w_1024sl_ov (&tm->triple_ov_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test1_single (tw_timer_test_main_t * tm)
+{
+ u32 i;
+ tw_timer_test_elt_t *e;
+ u32 offset;
+
+ tw_timer_wheel_init_2t_1w_2048sl (&tm->single_wheel,
+ expired_timer_single_callback,
+ 1.0 /* timer interval */ , ~0);
+
+ /*
+ * Prime offset, to make sure that the wheel starts in a
+ * non-trivial position
+ */
+ offset = 123;
+
+ run_single_wheel (&tm->single_wheel, offset);
+
+ fformat (stdout, "initial wheel time %d, fast index %d\n",
+ tm->single_wheel.current_tick,
+ tm->single_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ offset = tm->single_wheel.current_tick;
+
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ u32 expected_to_expire;
+ u32 timer_arg;
+
+ timer_arg = 1 + i;
+ timer_arg &= 2047;
+ if (timer_arg == 0)
+ timer_arg = 1;
+
+ expected_to_expire = timer_arg + tm->single_wheel.current_tick;
+
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+ e->expected_to_expire = expected_to_expire;
+ e->stop_timer_handle = tw_timer_start_2t_1w_2048sl
+ (&tm->single_wheel, e - tm->test_elts, 1 /* timer id */ ,
+ timer_arg);
+ }
+ run_single_wheel (&tm->single_wheel, tm->ntimers + 3);
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat(stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ fformat (stdout,
+ "final wheel time %d, fast index %d\n",
+ tm->single_wheel.current_tick,
+ tm->single_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_2t_1w_2048sl (&tm->single_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test1_double (tw_timer_test_main_t * tm)
+{
+ u32 i;
+ tw_timer_test_elt_t *e;
+ u32 offset;
+
+ tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
+ expired_timer_double_callback,
+ 1.0 /* timer interval */ , ~0);
+
+ /*
+ * Prime offset, to make sure that the wheel starts in a
+ * non-trivial position
+ */
+ offset = 227989;
+
+ run_double_wheel (&tm->double_wheel, offset);
+
+ fformat (stdout, "initial wheel time %d, fast index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ e->expected_to_expire = i + tm->double_wheel.current_tick + 1;
+ e->stop_timer_handle = tw_timer_start_16t_2w_512sl
+ (&tm->double_wheel, e - tm->test_elts, 14 /* timer id */ ,
+ i + 1);
+ }
+ run_double_wheel (&tm->double_wheel, tm->ntimers + 3);
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat(stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ fformat (stdout,
+ "final wheel time %d, fast index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_16t_2w_512sl (&tm->double_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test1_two_timer_double (tw_timer_test_main_t * tm)
+{
+ u32 i;
+ tw_timer_test_elt_t *e;
+ u32 offset;
+
+ tw_timer_wheel_init_2t_2w_512sl (&tm->two_timer_double_wheel,
+ expired_timer_two_timer_double_callback,
+ 1.0 /* timer interval */ , ~0);
+
+ /*
+ * Prime offset, to make sure that the wheel starts in a
+ * non-trivial position
+ */
+ offset = 2745;
+
+ run_two_timer_double_wheel (&tm->two_timer_double_wheel, offset);
+
+ fformat (stdout, "initial wheel time %d, fast index %d\n",
+ tm->two_timer_double_wheel.current_tick,
+ tm->two_timer_double_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ e->expected_to_expire = i + tm->two_timer_double_wheel.current_tick + 1;
+ e->stop_timer_handle = tw_timer_start_2t_2w_512sl
+ (&tm->two_timer_double_wheel, e - tm->test_elts, 1 /* timer id */ ,
+ i + 1);
+ }
+ run_two_timer_double_wheel (&tm->two_timer_double_wheel, tm->ntimers + 3);
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat(stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ fformat (stdout,
+ "final wheel time %d, fast index %d\n",
+ tm->two_timer_double_wheel.current_tick,
+ tm->two_timer_double_wheel.current_index[TW_TIMER_RING_FAST]);
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_2t_2w_512sl (&tm->two_timer_double_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test3_triple_double (tw_timer_test_main_t * tm)
+{
+ tw_timer_test_elt_t *e;
+ u32 initial_wheel_offset = 0;
+ u32 expiration_time;
+ u32 max_expiration_time = 0;
+ u32 adds = 0, deletes = 0;
+ f64 before, after;
+
+ clib_time_init (&tm->clib_time);
+
+ tw_timer_wheel_init_4t_3w_256sl (&tm->triple_wheel,
+ expired_timer_triple_callback,
+ 1.0 /* timer interval */ , ~0);
+
+ initial_wheel_offset = 0;
+ run_triple_wheel (&tm->triple_wheel, initial_wheel_offset);
+
+ fformat (stdout,
+ "initial wheel time %d, fi %d si %d gi %d\n",
+ tm->triple_wheel.current_tick,
+ tm->triple_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->triple_wheel.current_index[TW_TIMER_RING_SLOW],
+ tm->triple_wheel.current_index[TW_TIMER_RING_GLACIER]);
+
+ initial_wheel_offset = tm->triple_wheel.current_tick;
+
+ fformat (stdout, "Create a timer which expires at wheel-time (1, 0, 0)\n");
+
+ before = clib_time_now (&tm->clib_time);
+
+ /* Prime the pump */
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ /* 1 glacier ring tick from now */
+ expiration_time = TW_SLOTS_PER_RING * TW_SLOTS_PER_RING;
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+ max_expiration_time = expiration_time;
+
+ e->stop_timer_handle =
+ tw_timer_start_4t_3w_256sl (&tm->triple_wheel, e - tm->test_elts,
+ 3 /* timer id */ ,
+ expiration_time);
+
+ run_triple_wheel (&tm->triple_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d adds, %d deletes, %d ticks\n", adds, deletes,
+ tm->triple_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) adds + (f64) deletes +
+ (f64) tm->triple_wheel.current_tick) / (after - before));
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_4t_3w_256sl (&tm->triple_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test4_double_double (tw_timer_test_main_t * tm)
+{
+ u32 i;
+ tw_timer_test_elt_t *e;
+ u32 initial_wheel_offset;
+ u32 expiration_time;
+ u32 max_expiration_time = 0;
+ u32 *deleted_indices = 0;
+ u32 adds = 0, deletes = 0;
+ f64 before, after;
+
+ clib_time_init (&tm->clib_time);
+
+ tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
+ expired_timer_double_callback,
+ 1.0 /* timer interval */ , ~0);
+ /* Prime offset */
+ initial_wheel_offset = 0;
+
+ run_double_wheel (&tm->double_wheel, initial_wheel_offset);
+
+ fformat (stdout, "initial wheel time %d, fast index %d slow index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->double_wheel.current_index[TW_TIMER_RING_SLOW]);
+
+ initial_wheel_offset = tm->double_wheel.current_tick;
+
+ fformat (stdout, "test timer which expires at 512 ticks\n");
+
+ before = clib_time_now (&tm->clib_time);
+
+ /* Prime the pump */
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ expiration_time = 512;
+
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
+
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+ e->stop_timer_handle =
+ tw_timer_start_16t_2w_512sl (&tm->double_wheel, e - tm->test_elts,
+ 14 /* timer id */ ,
+ expiration_time);
+ }
+
+ adds = 1;
+
+ vec_free (deleted_indices);
+
+ run_double_wheel (&tm->double_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d adds, %d deletes, %d ticks\n", adds, deletes,
+ tm->double_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) adds + (f64) deletes +
+ (f64) tm->double_wheel.current_tick) / (after - before));
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
+
+ pool_free (tm->test_elts);
+ tw_timer_wheel_free_16t_2w_512sl (&tm->double_wheel);
+ return 0;
+}
+
+static clib_error_t *
+test5_double (tw_timer_test_main_t * tm)
+{
+ u32 i;
+ tw_timer_test_elt_t *e;
+ u32 initial_wheel_offset;
+ u32 expiration_time;
+ u32 max_expiration_time = 0;
+ u32 adds = 0, deletes = 0;
+ f64 before, after;
+
+ clib_time_init (&tm->clib_time);
+
+ tw_timer_wheel_init_16t_2w_512sl (&tm->double_wheel,
+ expired_timer_double_callback,
+ 1.0 /* timer interval */ , ~0);
+
+ /* Prime offset */
+ initial_wheel_offset = 7567;
+
+ run_double_wheel (&tm->double_wheel, initial_wheel_offset);
+
+ fformat (stdout, "initial wheel time %d, fast index %d slow index %d\n",
+ tm->double_wheel.current_tick,
+ tm->double_wheel.current_index[TW_TIMER_RING_FAST],
+ tm->double_wheel.current_index[TW_TIMER_RING_SLOW]);
+
+ initial_wheel_offset = tm->double_wheel.current_tick;
+
+ fformat (stdout,
+ "test %d timers, %d iter, %d ticks per iter, 0x%llx seed\n",
+ tm->ntimers, tm->niter, tm->ticks_per_iter, tm->seed);
+
+ before = clib_time_now (&tm->clib_time);
+
+ /* Prime the pump */
+ for (i = 0; i < tm->ntimers; i++)
+ {
+ pool_get (tm->test_elts, e);
+ clib_memset (e, 0, sizeof (*e));
+
+ expiration_time = i + 1;
+
+ if (expiration_time > max_expiration_time)
+ max_expiration_time = expiration_time;
+
+ e->expected_to_expire = expiration_time + initial_wheel_offset;
+ e->stop_timer_handle =
+ tw_timer_start_16t_2w_512sl (&tm->double_wheel, e - tm->test_elts,
+ 14 /* timer id */ ,
+ expiration_time);
+ }
+
+ adds += i;
+
+ run_double_wheel (&tm->double_wheel, max_expiration_time + 1);
+
+ after = clib_time_now (&tm->clib_time);
+
+ fformat (stdout, "%d adds, %d deletes, %d ticks\n", adds, deletes,
+ tm->double_wheel.current_tick);
+ fformat (stdout, "test ran %.2f seconds, %.2f ops/second\n",
+ (after - before),
+ ((f64) adds + (f64) deletes +
+ (f64) tm->double_wheel.current_tick) / (after - before));
+
+ if (pool_elts (tm->test_elts))
+ fformat (stdout, "Note: %d elements remain in pool\n",
+ pool_elts (tm->test_elts));
+
+ /* *INDENT-OFF* */
+ pool_foreach (e, tm->test_elts,
+ ({
+ fformat (stdout, "[%d] expected to expire %d\n",
+ e - tm->test_elts,
+ e->expected_to_expire);
+ }));
+ /* *INDENT-ON* */
pool_free (tm->test_elts);
tw_timer_wheel_free_16t_2w_512sl (&tm->double_wheel);
timer_test_command_fn (tw_timer_test_main_t * tm, unformat_input_t * input)
{
- int is_test1 = 0;
+ int is_test1 = 0, is_updates = 0;
int num_wheels = 1;
int is_test2 = 0;
+ int is_test3 = 0;
+ int is_test4 = 0;
+ int is_test5 = 0;
+ int overflow = 0;
- memset (tm, 0, sizeof (*tm));
+ clib_memset (tm, 0, sizeof (*tm));
/* Default values */
tm->ntimers = 100000;
- tm->seed = 0xDEADDABE;
+ tm->seed = 0xDEADDABEB00BFACE;
tm->niter = 1000;
tm->ticks_per_iter = 727;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- if (unformat (input, "seed %d", &tm->seed))
+ if (unformat (input, "seed %lld", &tm->seed))
;
else if (unformat (input, "test1"))
is_test1 = 1;
else if (unformat (input, "test2"))
is_test2 = 1;
+ else if (unformat (input, "overflow"))
+ overflow = 1;
+ else if (unformat (input, "lebron"))
+ is_test3 = 1;
+ else if (unformat (input, "wilt"))
+ is_test4 = 1;
+ else if (unformat (input, "linear"))
+ is_test5 = 1;
+ else if (unformat (input, "updates"))
+ is_updates = 1;
else if (unformat (input, "wheels %d", &num_wheels))
;
else if (unformat (input, "ntimers %d", &tm->ntimers))
;
else if (unformat (input, "ticks_per_iter %d", &tm->ticks_per_iter))
;
+ else
+ break;
}
- if (is_test1 + is_test2 == 0)
+ if (is_test1 + is_test2 + is_test3 + is_test4 + is_test5 == 0)
return clib_error_return (0, "No test specified [test1..n]");
- if (num_wheels < 1 || num_wheels > 2)
+ if (num_wheels < 1 || num_wheels > 3)
return clib_error_return (0, "unsupported... 1 or 2 wheels only");
if (is_test1)
if (num_wheels == 1)
return test1_single (tm);
else
- return test1_double (tm);
+ {
+ (void) test1_double (tm);
+ return test1_two_timer_double (tm);
+ }
}
if (is_test2)
{
if (num_wheels == 1)
return test2_single (tm);
- else
- return test2_double (tm);
+ else if (num_wheels == 2)
+ if (is_updates)
+ return test2_double_updates (tm);
+ else
+ return test2_double (tm);
+ else if (num_wheels == 3)
+ {
+ if (overflow == 0)
+ return test2_triple (tm);
+ else
+ return test2_triple_ov (tm);
+ }
}
+ if (is_test3)
+ return test3_triple_double (tm);
+
+ if (is_test4)
+ return test4_double_double (tm);
+
+ if (is_test5)
+ return test5_double (tm);
+
/* NOTREACHED */
return 0;
}
}
#endif /* CLIB_UNIX */
+/* For debugging... */
+int
+pifi (void *p, u32 index)
+{
+ return pool_is_free_index (p, index);
+}
+
+u32
+vl (void *p)
+{
+ return vec_len (p);
+}
+
+uword
+pe (void *v)
+{
+ return (pool_elts (v));
+}
+
/*
* fd.io coding-style-patch-verification: ON
*
Code Review / vpp.git / blobdiff