typedef struct segment_manager_main_
{
segment_manager_t *segment_managers; /**< Pool of segment managers */
- clib_valloc_main_t va_allocator; /**< Virtual address allocator */
u32 seg_name_counter; /**< Counter for segment names */
/*
#define segment_manager_foreach_segment_w_lock(VAR, SM, BODY) \
do { \
clib_rwlock_reader_lock (&(SM)->segments_rwlock); \
- pool_foreach((VAR), ((SM)->segments), (BODY)); \
+ pool_foreach((VAR), ((SM)->segments)) (BODY); \
clib_rwlock_reader_unlock (&(SM)->segments_rwlock); \
} while (0)
* If needed a writer's lock is acquired before allocating a new segment
* to avoid affecting any of the segments pool readers.
*/
-int
-segment_manager_add_segment (segment_manager_t * sm, uword segment_size)
+static inline int
+segment_manager_add_segment_inline (segment_manager_t *sm, uword segment_size,
+ u8 notify_app, u8 flags, u8 need_lock)
{
- uword baseva = (uword) ~ 0ULL, alloc_size, page_size;
- u32 rnd_margin = 128 << 10, fs_index = ~0;
segment_manager_main_t *smm = &sm_main;
segment_manager_props_t *props;
+ app_worker_t *app_wrk;
fifo_segment_t *fs;
+ u32 fs_index = ~0;
u8 *seg_name;
int rv;
props = segment_manager_properties_get (sm);
+ app_wrk = app_worker_get (sm->app_wrk_index);
/* Not configured for addition of new segments and not first */
if (!props->add_segment && !segment_size)
{
- clib_warning ("cannot allocate new segment");
- return VNET_API_ERROR_INVALID_VALUE;
+ SESSION_DBG ("cannot allocate new segment");
+ return SESSION_E_INVALID;
}
/*
* Allocate fifo segment and grab lock if needed
*/
- if (vlib_num_workers ())
+ if (need_lock)
clib_rwlock_writer_lock (&sm->segments_rwlock);
pool_get_zero (sm->segments, fs);
* Allocate ssvm segment
*/
segment_size = segment_size ? segment_size : props->add_segment_size;
- page_size = clib_mem_get_page_size ();
- /* Protect against segment size u32 wrap */
- segment_size = clib_max (segment_size + page_size - 1, segment_size);
- segment_size = segment_size & ~(page_size - 1);
-
- if (props->segment_type != SSVM_SEGMENT_PRIVATE)
+ /* add overhead to ensure the result segment size is at least
+ * of that requested */
+ segment_size +=
+ sizeof (fifo_segment_header_t) +
+ vlib_thread_main.n_vlib_mains * sizeof (fifo_segment_slice_t) +
+ FIFO_SEGMENT_ALLOC_OVERHEAD;
+
+ if (props->huge_page)
{
- seg_name = format (0, "%d-%d%c", getpid (), smm->seg_name_counter++, 0);
- alloc_size = (uword) segment_size + rnd_margin;
- baseva = clib_valloc_alloc (&smm->va_allocator, alloc_size, 0);
- if (!baseva)
- {
- clib_warning ("out of space for segments");
- pool_put (sm->segments, fs);
- goto done;
- }
+ uword hugepage_size = clib_mem_get_default_hugepage_size ();
+ segment_size = round_pow2 (segment_size, hugepage_size);
+ fs->ssvm.huge_page = 1;
}
else
- {
- app_worker_t *app_wrk = app_worker_get (sm->app_wrk_index);
- application_t *app = application_get (app_wrk->app_index);
- seg_name = format (0, "%v segment%c", app->name, 0);
- }
+ segment_size = round_pow2 (segment_size, clib_mem_get_page_size ());
+
+ seg_name = format (0, "seg-%u-%u-%u%c", app_wrk->app_index,
+ app_wrk->wrk_index, smm->seg_name_counter++, 0);
fs->ssvm.ssvm_size = segment_size;
fs->ssvm.name = seg_name;
- /* clib_mem_vm_map_shared consumes first page before requested_va */
- fs->ssvm.requested_va = baseva + page_size;
+ fs->ssvm.requested_va = 0;
if ((rv = ssvm_server_init (&fs->ssvm, props->segment_type)))
{
clib_warning ("svm_master_init ('%v', %u) failed", seg_name,
segment_size);
-
- if (props->segment_type != SSVM_SEGMENT_PRIVATE)
- clib_valloc_free (&smm->va_allocator, baseva);
pool_put (sm->segments, fs);
goto done;
}
* Save segment index before dropping lock, if any held
*/
fs_index = fs - sm->segments;
+ fs->fs_index = fs_index;
+ fs->sm_index = segment_manager_index (sm);
/*
* Set watermarks in segment
*/
- fs->h->high_watermark = sm->high_watermark;
- fs->h->low_watermark = sm->low_watermark;
+ fs->high_watermark = sm->high_watermark;
+ fs->low_watermark = sm->low_watermark;
+ fs->flags = flags;
+ fs->flags &= ~FIFO_SEGMENT_F_MEM_LIMIT;
fs->h->pct_first_alloc = props->pct_first_alloc;
- fs->h->flags &= ~FIFO_SEGMENT_F_MEM_LIMIT;
+ if (notify_app)
+ {
+ app_worker_t *app_wrk;
+ u64 fs_handle;
+ fs_handle = segment_manager_segment_handle (sm, fs);
+ app_wrk = app_worker_get (sm->app_wrk_index);
+ rv = app_worker_add_segment_notify (app_wrk, fs_handle);
+ if (rv)
+ {
+ fs_index = rv;
+ goto done;
+ }
+ }
done:
- if (vlib_num_workers ())
+ if (need_lock)
clib_rwlock_writer_unlock (&sm->segments_rwlock);
return fs_index;
}
+int
+segment_manager_add_segment (segment_manager_t *sm, uword segment_size,
+ u8 notify_app)
+{
+ return segment_manager_add_segment_inline (sm, segment_size, notify_app,
+ 0 /* flags */, 0 /* need_lock */);
+}
+
+int
+segment_manager_add_segment2 (segment_manager_t *sm, uword segment_size,
+ u8 flags)
+{
+ return segment_manager_add_segment_inline (sm, segment_size, 0, flags,
+ vlib_num_workers ());
+}
+
/**
* Remove segment without lock
*/
void
segment_manager_del_segment (segment_manager_t * sm, fifo_segment_t * fs)
{
- segment_manager_main_t *smm = &sm_main;
-
if (ssvm_type (&fs->ssvm) != SSVM_SEGMENT_PRIVATE)
{
- /* clib_mem_vm_map_shared consumes first page before requested_va */
- clib_valloc_free (&smm->va_allocator,
- fs->ssvm.requested_va - clib_mem_get_page_size ());
-
if (!segment_manager_app_detached (sm))
{
app_worker_t *app_wrk;
}
}
+ fifo_segment_cleanup (fs);
ssvm_delete (&fs->ssvm);
if (CLIB_DEBUG)
* Removes segment after acquiring writer lock
*/
static inline void
-segment_manager_lock_and_del_segment (segment_manager_t * sm, u32 fs_index)
+sm_lock_and_del_segment_inline (segment_manager_t *sm, u32 fs_index,
+ u8 check_if_empty)
{
fifo_segment_t *fs;
u8 is_prealloc;
if (!fs)
goto done;
+ if (check_if_empty && fifo_segment_has_fifos (fs))
+ goto done;
+
is_prealloc = fifo_segment_flags (fs) & FIFO_SEGMENT_F_IS_PREALLOCATED;
if (is_prealloc && !segment_manager_app_detached (sm))
goto done;
clib_rwlock_writer_unlock (&sm->segments_rwlock);
}
+void
+segment_manager_lock_and_del_segment (segment_manager_t * sm, u32 fs_index)
+{
+ sm_lock_and_del_segment_inline (sm, fs_index, 0 /* check_if_empty */);
+}
+
/**
* Reads a segment from the segment manager's pool without lock
*/
clib_rwlock_reader_unlock (&sm->segments_rwlock);
}
-void
-segment_manager_segment_writer_unlock (segment_manager_t * sm)
-{
- clib_rwlock_writer_unlock (&sm->segments_rwlock);
-}
-
segment_manager_t *
segment_manager_alloc (void)
{
/* Allocate the segments */
for (i = 0; i < approx_segment_count + 1; i++)
{
- fs_index = segment_manager_add_segment (sm, max_seg_size);
+ fs_index = segment_manager_add_segment (sm, max_seg_size, 0);
if (fs_index < 0)
{
- clib_warning ("Failed to preallocate segment %d", i);
+ SESSION_DBG ("Failed to preallocate segment %d", i);
return fs_index;
}
return 0;
}
- fs_index = segment_manager_add_segment (sm, first_seg_size);
+ fs_index = segment_manager_add_segment (sm, first_seg_size, 0);
if (fs_index < 0)
{
- clib_warning ("Failed to allocate segment");
+ SESSION_DBG ("Failed to allocate segment");
return fs_index;
}
for (; i < fs->n_slices; i++)
{
if (fifo_segment_prealloc_fifo_hdrs (fs, i, hdrs_per_slice))
- return VNET_API_ERROR_SVM_SEGMENT_CREATE_FAIL;
+ return SESSION_E_SEG_CREATE;
}
}
segment_manager_main_t *smm = &sm_main;
fifo_segment_t *fifo_segment;
- ASSERT (!segment_manager_has_fifos (sm)
+ ASSERT (vlib_get_thread_index () == 0
+ && !segment_manager_has_fifos (sm)
&& segment_manager_app_detached (sm));
if (sm->flags & SEG_MANAGER_F_DETACHED_LISTENER)
clib_rwlock_writer_lock (&sm->segments_rwlock);
/* *INDENT-OFF* */
- pool_foreach (fifo_segment, sm->segments, ({
+ pool_foreach (fifo_segment, sm->segments) {
segment_manager_del_segment (sm, fifo_segment);
- }));
+ }
/* *INDENT-ON* */
+ pool_free (sm->segments);
clib_rwlock_writer_unlock (&sm->segments_rwlock);
clib_rwlock_free (&sm->segments_rwlock);
pool_put (smm->segment_managers, sm);
}
+static void
+sm_free_w_index_helper (void *arg)
+{
+ u32 sm_index = *(u32 *) arg;
+ segment_manager_t *sm;
+
+ ASSERT (vlib_get_thread_index () == 0);
+
+ if ((sm = segment_manager_get_if_valid (sm_index)))
+ segment_manager_free (sm);
+}
+
+void
+segment_manager_free_safe (segment_manager_t *sm)
+{
+ if (!vlib_thread_is_main_w_barrier ())
+ {
+ u32 sm_index = segment_manager_index (sm);
+ vlib_rpc_call_main_thread (sm_free_w_index_helper, (u8 *) & sm_index,
+ sizeof (sm_index));
+ }
+ else
+ {
+ segment_manager_free (sm);
+ }
+}
+
void
segment_manager_init_free (segment_manager_t * sm)
{
+ ASSERT (vlib_get_thread_index () == 0);
+
segment_manager_app_detach (sm);
if (segment_manager_has_fifos (sm))
segment_manager_del_sessions (sm);
*/
while (f)
{
- session = session_get_if_valid (f->master_session_index,
- f->master_thread_index);
- if (session)
- vec_add1 (handles, session_handle (session));
- f = f->next;
- }
+ session = session_get_if_valid (f->shr->master_session_index,
+ f->master_thread_index);
+ if (session)
+ vec_add1 (handles, session_handle (session));
+ f = f->next;
+ }
}
/* Instead of removing the segment, test when cleaning up disconnected
/* Avoid propagating notifications back to the app */
session->app_wrk_index = APP_INVALID_INDEX;
}
+ vec_free (handles);
+}
+
+/**
+ * Initiate disconnects for sessions in specified state 'owned' by a segment
+ * manager
+ */
+void
+segment_manager_del_sessions_filter (segment_manager_t *sm,
+ session_state_t *states)
+{
+ session_handle_t *handles = 0, *handle;
+ fifo_segment_t *fs;
+ session_t *session;
+ int slice_index;
+ svm_fifo_t *f;
+
+ ASSERT (pool_elts (sm->segments) != 0);
+
+ /* Across all fifo segments used by the server */
+ segment_manager_foreach_segment_w_lock (
+ fs, sm, ({
+ for (slice_index = 0; slice_index < fs->n_slices; slice_index++)
+ {
+ f = fifo_segment_get_slice_fifo_list (fs, slice_index);
+ while (f)
+ {
+ session = session_get_if_valid (f->shr->master_session_index,
+ f->master_thread_index);
+ if (session)
+ {
+ session_state_t *state;
+ vec_foreach (state, states)
+ {
+ if (session->session_state == *state)
+ {
+ vec_add1 (handles, session_handle (session));
+ break;
+ }
+ }
+ }
+ f = f->next;
+ }
+ }
+ }));
+
+ vec_foreach (handle, handles)
+ {
+ session = session_get_from_handle (*handle);
+ session_close (session);
+ /* Avoid propagating notifications back to the app */
+ session->app_wrk_index = APP_INVALID_INDEX;
+ }
+ vec_free (handles);
}
int
-segment_manager_try_alloc_fifos (fifo_segment_t * fifo_segment,
- u32 thread_index,
+segment_manager_try_alloc_fifos (fifo_segment_t *fs, u32 thread_index,
u32 rx_fifo_size, u32 tx_fifo_size,
- svm_fifo_t ** rx_fifo, svm_fifo_t ** tx_fifo)
+ svm_fifo_t **rx_fifo, svm_fifo_t **tx_fifo)
{
rx_fifo_size = clib_max (rx_fifo_size, sm_main.default_fifo_size);
- *rx_fifo = fifo_segment_alloc_fifo_w_slice (fifo_segment, thread_index,
- rx_fifo_size,
+ *rx_fifo = fifo_segment_alloc_fifo_w_slice (fs, thread_index, rx_fifo_size,
FIFO_SEGMENT_RX_FIFO);
tx_fifo_size = clib_max (tx_fifo_size, sm_main.default_fifo_size);
- *tx_fifo = fifo_segment_alloc_fifo_w_slice (fifo_segment, thread_index,
- tx_fifo_size,
+ *tx_fifo = fifo_segment_alloc_fifo_w_slice (fs, thread_index, tx_fifo_size,
FIFO_SEGMENT_TX_FIFO);
if (*rx_fifo == 0)
/* This would be very odd, but handle it... */
if (*tx_fifo != 0)
{
- fifo_segment_free_fifo (fifo_segment, *tx_fifo);
+ fifo_segment_free_fifo (fs, *tx_fifo);
*tx_fifo = 0;
}
- return -1;
+ return SESSION_E_SEG_NO_SPACE;
}
if (*tx_fifo == 0)
{
if (*rx_fifo != 0)
{
- fifo_segment_free_fifo (fifo_segment, *rx_fifo);
+ fifo_segment_free_fifo (fs, *rx_fifo);
*rx_fifo = 0;
}
- return -1;
+ return SESSION_E_SEG_NO_SPACE;
}
return 0;
}
+static inline int
+sm_lookup_segment_and_alloc_fifos (segment_manager_t *sm,
+ segment_manager_props_t *props,
+ u32 thread_index, svm_fifo_t **rx_fifo,
+ svm_fifo_t **tx_fifo)
+{
+ uword free_bytes, max_free_bytes;
+ fifo_segment_t *cur, *fs = 0;
+
+ max_free_bytes = props->rx_fifo_size + props->tx_fifo_size - 1;
+
+ pool_foreach (cur, sm->segments)
+ {
+ if (fifo_segment_flags (cur) & FIFO_SEGMENT_F_CUSTOM_USE)
+ continue;
+ free_bytes = fifo_segment_available_bytes (cur);
+ if (free_bytes > max_free_bytes)
+ {
+ max_free_bytes = free_bytes;
+ fs = cur;
+ }
+ }
+
+ if (PREDICT_FALSE (!fs))
+ return SESSION_E_SEG_NO_SPACE;
+
+ return segment_manager_try_alloc_fifos (
+ fs, thread_index, props->rx_fifo_size, props->tx_fifo_size, rx_fifo,
+ tx_fifo);
+}
+
+static int
+sm_lock_and_alloc_segment_and_fifos (segment_manager_t *sm,
+ segment_manager_props_t *props,
+ u32 thread_index, svm_fifo_t **rx_fifo,
+ svm_fifo_t **tx_fifo)
+{
+ int new_fs_index, rv;
+ fifo_segment_t *fs;
+
+ if (!props->add_segment)
+ return SESSION_E_SEG_NO_SPACE;
+
+ clib_rwlock_writer_lock (&sm->segments_rwlock);
+
+ /* Make sure there really is no free space. Another worker might've freed
+ * some fifos or allocated a segment */
+ rv = sm_lookup_segment_and_alloc_fifos (sm, props, thread_index, rx_fifo,
+ tx_fifo);
+ if (!rv)
+ goto done;
+
+ new_fs_index =
+ segment_manager_add_segment (sm, 0 /* segment_size*/, 1 /* notify_app */);
+ if (new_fs_index < 0)
+ {
+ rv = SESSION_E_SEG_CREATE;
+ goto done;
+ }
+ fs = segment_manager_get_segment (sm, new_fs_index);
+ rv = segment_manager_try_alloc_fifos (fs, thread_index, props->rx_fifo_size,
+ props->tx_fifo_size, rx_fifo, tx_fifo);
+ if (rv)
+ {
+ SESSION_DBG ("Added a segment, still can't allocate a fifo");
+ rv = SESSION_E_SEG_NO_SPACE2;
+ goto done;
+ }
+
+done:
+
+ clib_rwlock_writer_unlock (&sm->segments_rwlock);
+
+ return rv;
+}
+
int
segment_manager_alloc_session_fifos (segment_manager_t * sm,
u32 thread_index,
svm_fifo_t ** rx_fifo,
svm_fifo_t ** tx_fifo)
{
- int alloc_fail = 1, rv = 0, new_fs_index;
- uword free_bytes, max_free_bytes = 0;
segment_manager_props_t *props;
- fifo_segment_t *fs = 0, *cur;
- u32 sm_index, fs_index;
- u8 added_a_segment = 0;
- u64 fs_handle;
+ int rv;
props = segment_manager_properties_get (sm);
/*
- * Find the first free segment to allocate the fifos in
+ * Fast path: find the first segment with enough free space and
+ * try to allocate the fifos. Done with reader lock
*/
segment_manager_segment_reader_lock (sm);
- /* *INDENT-OFF* */
- pool_foreach (cur, sm->segments, ({
- free_bytes = fifo_segment_available_bytes (cur);
- if (free_bytes > max_free_bytes)
- {
- max_free_bytes = free_bytes;
- fs = cur;
- }
- }));
- /* *INDENT-ON* */
-
- if (fs)
- {
- alloc_fail = segment_manager_try_alloc_fifos (fs, thread_index,
- props->rx_fifo_size,
- props->tx_fifo_size,
- rx_fifo, tx_fifo);
- /* On success, keep lock until fifos are initialized */
- if (!alloc_fail)
- goto alloc_success;
- }
+ rv = sm_lookup_segment_and_alloc_fifos (sm, props, thread_index, rx_fifo,
+ tx_fifo);
segment_manager_segment_reader_unlock (sm);
-alloc_check:
-
- if (!alloc_fail)
- {
-
- alloc_success:
-
- ASSERT (rx_fifo && tx_fifo);
- sm_index = segment_manager_index (sm);
- fs_index = segment_manager_segment_index (sm, fs);
- (*tx_fifo)->segment_manager = sm_index;
- (*rx_fifo)->segment_manager = sm_index;
- (*tx_fifo)->segment_index = fs_index;
- (*rx_fifo)->segment_index = fs_index;
-
- if (added_a_segment)
- {
- app_worker_t *app_wrk;
- fs_handle = segment_manager_segment_handle (sm, fs);
- app_wrk = app_worker_get (sm->app_wrk_index);
- rv = app_worker_add_segment_notify (app_wrk, fs_handle);
- }
- /* Drop the lock after app is notified */
- segment_manager_segment_reader_unlock (sm);
- return rv;
- }
-
/*
- * Allocation failed, see if we can add a new segment
+ * Slow path: if no fifo segment or alloc fail grab writer lock and try
+ * to allocate new segment
*/
- if (props->add_segment)
- {
- if (added_a_segment)
- {
- clib_warning ("Added a segment, still can't allocate a fifo");
- segment_manager_segment_reader_unlock (sm);
- return SESSION_E_SEG_NO_SPACE2;
- }
- if ((new_fs_index = segment_manager_add_segment (sm, 0)) < 0)
- {
- clib_warning ("Failed to add new segment");
- return SESSION_E_SEG_CREATE;
- }
- fs = segment_manager_get_segment_w_lock (sm, new_fs_index);
- alloc_fail = segment_manager_try_alloc_fifos (fs, thread_index,
- props->rx_fifo_size,
- props->tx_fifo_size,
- rx_fifo, tx_fifo);
- added_a_segment = 1;
- goto alloc_check;
- }
- else
- {
- SESSION_DBG ("Can't add new seg and no space to allocate fifos!");
- return SESSION_E_SEG_NO_SPACE;
- }
+ if (PREDICT_FALSE (rv < 0))
+ return sm_lock_and_alloc_segment_and_fifos (sm, props, thread_index,
+ rx_fifo, tx_fifo);
+
+ return 0;
}
void
segment_manager_t *sm;
fifo_segment_t *fs;
u32 segment_index;
+ u8 try_delete = 0;
if (!rx_fifo || !tx_fifo)
return;
+ /* Thread that allocated the fifos must be the one to clean them up */
+ ASSERT (rx_fifo->master_thread_index == vlib_get_thread_index () ||
+ rx_fifo->refcnt > 1);
+
/* It's possible to have no segment manager if the session was removed
* as result of a detach. */
if (!(sm = segment_manager_get_if_valid (rx_fifo->segment_manager)))
fifo_segment_free_fifo (fs, tx_fifo);
/*
- * Try to remove svm segment if it has no fifos. This can be done only if
+ * Try to remove fifo segment if it has no fifos. This can be done only if
* the segment is not the first in the segment manager or if it is first
* and it is not protected. Moreover, if the segment is first and the app
* has detached from the segment manager, remove the segment manager.
*/
if (!fifo_segment_has_fifos (fs))
{
- segment_manager_segment_reader_unlock (sm);
+ /* If first, remove only if not protected */
+ try_delete = segment_index != 0 || !sm->first_is_protected;
+ }
+
+ segment_manager_segment_reader_unlock (sm);
- /* Remove segment if it holds no fifos or first but not protected */
- if (segment_index != 0 || !sm->first_is_protected)
- segment_manager_lock_and_del_segment (sm, segment_index);
+ if (PREDICT_FALSE (try_delete))
+ {
+ /* Only remove if empty after writer lock acquired */
+ sm_lock_and_del_segment_inline (sm, segment_index,
+ 1 /* check_if_empty */);
/* Remove segment manager if no sessions and detached from app */
if (segment_manager_app_detached (sm)
&& !segment_manager_has_fifos (sm))
- {
- segment_manager_free (sm);
- }
+ segment_manager_free_safe (sm);
}
- else
- segment_manager_segment_reader_unlock (sm);
}
void
-segment_manager_detach_fifo (segment_manager_t * sm, svm_fifo_t * f)
+segment_manager_detach_fifo (segment_manager_t *sm, svm_fifo_t **f)
{
fifo_segment_t *fs;
- fs = segment_manager_get_segment_w_lock (sm, f->segment_index);
+ fs = segment_manager_get_segment_w_lock (sm, (*f)->segment_index);
fifo_segment_detach_fifo (fs, f);
segment_manager_segment_reader_unlock (sm);
}
void
-segment_manager_attach_fifo (segment_manager_t * sm, svm_fifo_t * f,
- session_t * s)
+segment_manager_attach_fifo (segment_manager_t *sm, svm_fifo_t **f,
+ session_t *s)
{
fifo_segment_t *fs;
- fs = segment_manager_get_segment_w_lock (sm, f->segment_index);
+ fs = segment_manager_get_segment_w_lock (sm, (*f)->segment_index);
fifo_segment_attach_fifo (fs, f, s->thread_index);
segment_manager_segment_reader_unlock (sm);
- f->master_session_index = s->session_index;
- f->master_thread_index = s->thread_index;
+ (*f)->shr->master_session_index = s->session_index;
+ (*f)->master_thread_index = s->thread_index;
}
u32
u32 fifo_evt_size, session_evt_size = 256, notif_q_size;
svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
svm_msg_q_t *q;
- void *oldheap;
fifo_evt_size = sizeof (session_event_t);
notif_q_size = clib_max (16, props->evt_q_size >> 4);
cfg->q_nitems = props->evt_q_size;
cfg->ring_cfgs = rc;
- oldheap = ssvm_push_heap (segment->ssvm.sh);
- q = svm_msg_q_alloc (cfg);
- fifo_segment_update_free_bytes (segment);
- ssvm_pop_heap (oldheap);
+ q = fifo_segment_msg_q_alloc (segment, 0, cfg);
if (props->use_mq_eventfd)
{
- if (svm_msg_q_alloc_producer_eventfd (q))
+ if (svm_msg_q_alloc_eventfd (q))
clib_warning ("failed to alloc eventfd");
}
return q;
* Init segment vm address allocator
*/
void
-segment_manager_main_init (segment_manager_main_init_args_t * a)
+segment_manager_main_init (void)
{
segment_manager_main_t *sm = &sm_main;
- clib_valloc_chunk_t _ip, *ip = &_ip;
-
- ip->baseva = a->baseva;
- ip->size = a->size;
-
- clib_valloc_init (&sm->va_allocator, ip, 1 /* lock */ );
sm->default_fifo_size = 1 << 12;
sm->default_segment_size = 1 << 20;
sm->default_low_watermark = 50;
}
+static u8 *
+format_segment_manager (u8 *s, va_list *args)
+{
+ segment_manager_t *sm = va_arg (*args, segment_manager_t *);
+ int verbose = va_arg (*args, int);
+ app_worker_t *app_wrk;
+ uword max_fifo_size;
+ fifo_segment_t *seg;
+ application_t *app;
+ u8 custom_logic;
+
+ app_wrk = app_worker_get_if_valid (sm->app_wrk_index);
+ app = app_wrk ? application_get (app_wrk->app_index) : 0;
+ custom_logic = (app && (app->cb_fns.fifo_tuning_callback)) ? 1 : 0;
+ max_fifo_size = sm->max_fifo_size;
+
+ s = format (s,
+ "[%u] %v app-wrk: %u segs: %u max-fifo-sz: %U "
+ "wmarks: %u %u %s flags: 0x%x",
+ segment_manager_index (sm), app ? app->name : 0,
+ sm->app_wrk_index, pool_elts (sm->segments), format_memory_size,
+ max_fifo_size, sm->high_watermark, sm->low_watermark,
+ custom_logic ? "custom-tuning" : "no-tuning", sm->flags);
+
+ if (!verbose || !pool_elts (sm->segments))
+ return s;
+
+ s = format (s, "\n\n");
+
+ segment_manager_foreach_segment_w_lock (
+ seg, sm, ({ s = format (s, " *%U", format_fifo_segment, seg, verbose); }));
+
+ return s;
+}
+
static clib_error_t *
segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+ unformat_input_t _line_input, *line_input = &_line_input;
segment_manager_main_t *smm = &sm_main;
u8 show_segments = 0, verbose = 0;
- uword max_fifo_size;
segment_manager_t *sm;
- fifo_segment_t *seg;
- app_worker_t *app_wrk;
- application_t *app;
- u8 custom_logic;
+ u32 sm_index = ~0;
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ if (!unformat_user (input, unformat_line_input, line_input))
{
- if (unformat (input, "segments"))
+ vlib_cli_output (vm, "%d segment managers allocated",
+ pool_elts (smm->segment_managers));
+ return 0;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "segments"))
show_segments = 1;
- else if (unformat (input, "verbose"))
+ else if (unformat (line_input, "verbose"))
verbose = 1;
+ else if (unformat (line_input, "index %u", &sm_index))
+ ;
else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
+ {
+ vlib_cli_output (vm, "unknown input [%U]", format_unformat_error,
+ line_input);
+ goto done;
+ }
}
- vlib_cli_output (vm, "%d segment managers allocated",
- pool_elts (smm->segment_managers));
- if (verbose && pool_elts (smm->segment_managers))
+
+ if (!pool_elts (smm->segment_managers))
+ goto done;
+
+ if (sm_index != ~0)
{
- vlib_cli_output (vm, "%-6s%=10s%=10s%=13s%=11s%=11s%=12s",
- "Index", "AppIndex", "Segments", "MaxFifoSize",
- "HighWater", "LowWater", "FifoTuning");
-
- /* *INDENT-OFF* */
- pool_foreach (sm, smm->segment_managers, ({
- app_wrk = app_worker_get_if_valid (sm->app_wrk_index);
- app = app_wrk ? application_get (app_wrk->app_index) : 0;
- custom_logic = (app && (app->cb_fns.fifo_tuning_callback)) ? 1 : 0;
- max_fifo_size = sm->max_fifo_size;
-
- vlib_cli_output (vm, "%-6d%=10d%=10d%=13U%=11d%=11d%=12s",
- segment_manager_index (sm),
- sm->app_wrk_index, pool_elts (sm->segments),
- format_memory_size, max_fifo_size,
- sm->high_watermark, sm->low_watermark,
- custom_logic ? "custom" : "none");
- }));
- /* *INDENT-ON* */
+ sm = segment_manager_get_if_valid (sm_index);
+ if (!sm)
+ {
+ vlib_cli_output (vm, "segment manager %u not allocated", sm_index);
+ goto done;
+ }
+ vlib_cli_output (vm, "%U", format_segment_manager, sm, 1 /* verbose */);
+ goto done;
+ }
+
+ if (verbose || show_segments)
+ {
+ pool_foreach (sm, smm->segment_managers) {
+ vlib_cli_output (vm, "%U", format_segment_manager, sm,
+ show_segments);
+ }
vlib_cli_output (vm, "\n");
}
- if (show_segments)
- {
- vlib_cli_output (vm, "%U", format_fifo_segment, 0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (sm, smm->segment_managers, ({
- segment_manager_foreach_segment_w_lock (seg, sm, ({
- vlib_cli_output (vm, "%U", format_fifo_segment, seg, verbose);
- }));
- }));
- /* *INDENT-ON* */
+done:
+
+ unformat_free (line_input);
- }
return 0;
}
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (segment_manager_show_command, static) =
-{
+VLIB_CLI_COMMAND (segment_manager_show_command, static) = {
.path = "show segment-manager",
- .short_help = "show segment-manager [segments][verbose]",
+ .short_help = "show segment-manager [segments][verbose][index <nn>]",
.function = segment_manager_show_fn,
};
/* *INDENT-ON* */
if (!sm)
{
if (verbose)
- vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
- "API Client", "SegManager");
+ vlib_cli_output (vm, "%-" SESSION_CLI_ID_LEN "s%-20s%-15s%-10s",
+ "Connection", "App", "API Client", "SegManager");
else
- vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
+ vlib_cli_output (vm, "%-" SESSION_CLI_ID_LEN "s%-20s", "Connection",
+ "App");
return;
}
clib_rwlock_reader_lock (&sm->segments_rwlock);
/* *INDENT-OFF* */
- pool_foreach (fs, sm->segments, ({
+ pool_foreach (fs, sm->segments) {
for (slice_index = 0; slice_index < fs->n_slices; slice_index++)
{
f = fifo_segment_get_slice_fifo_list (fs, slice_index);
u32 session_index, thread_index;
session_t *session;
- session_index = f->master_session_index;
- thread_index = f->master_thread_index;
+ session_index = f->shr->master_session_index;
+ thread_index = f->master_thread_index;
- session = session_get (session_index, thread_index);
- str = format (0, "%U", format_session, session, verbose);
+ session = session_get (session_index, thread_index);
+ str = format (0, "%U", format_session, session, verbose);
- if (verbose)
- s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
- app_wrk->api_client_index, app_wrk->connects_seg_manager);
- else
- s = format (s, "%-40s%-20s", str, app_name);
+ if (verbose)
+ s = format (s, "%-" SESSION_CLI_ID_LEN "v%-20v%-15u%-10u", str,
+ app_name, app_wrk->api_client_index,
+ app_wrk->connects_seg_manager);
+ else
+ s = format (s, "%-" SESSION_CLI_ID_LEN "v%-20v", str, app_name);
- vlib_cli_output (vm, "%v", s);
- vec_reset_length (s);
- vec_free (str);
+ vlib_cli_output (vm, "%v", s);
+ vec_reset_length (s);
+ vec_free (str);
- f = f->next;
- }
- vec_free (s);
+ f = f->next;
+ }
+ vec_free (s);
}
- }));
+ }
/* *INDENT-ON* */
clib_rwlock_reader_unlock (&sm->segments_rwlock);
Code Review / vpp.git / blobdiff