diff options
Diffstat (limited to 'src/vnet/session/segment_manager.c')
| -rw-r--r-- | src/vnet/session/segment_manager.c | 54 |
1 files changed, 48 insertions, 6 deletions
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index 7cf66ee35b2..c23e4c0237c 100644 --- a/src/vnet/session/segment_manager.c +++ b/src/vnet/session/segment_manager.c @@ -74,6 +74,11 @@ session_manager_add_segment_i (segment_manager_t * sm, u32 segment_size, } else { + u32 rx_fifo_size, tx_fifo_size, rx_rounded_data_size, + tx_rounded_data_size; + u32 approx_segment_count; + u64 approx_total_size; + ca->segment_name = "process-private-segment"; ca->segment_size = ~0; ca->rx_fifo_size = sm->properties->rx_fifo_size; @@ -82,6 +87,36 @@ session_manager_add_segment_i (segment_manager_t * sm, u32 segment_size, ca->private_segment_count = sm->properties->private_segment_count; ca->private_segment_size = sm->properties->private_segment_size; + /* Default to a small private segment */ + if (ca->private_segment_size == 0) + ca->private_segment_size = 128 << 20; + + /* Calculate space requirements */ + rx_rounded_data_size = (1 << (max_log2 (ca->rx_fifo_size))); + tx_rounded_data_size = (1 << (max_log2 (ca->tx_fifo_size))); + + rx_fifo_size = sizeof (svm_fifo_t) + rx_rounded_data_size; + tx_fifo_size = sizeof (svm_fifo_t) + tx_rounded_data_size; + + approx_total_size = (u64) ca->preallocated_fifo_pairs + * (rx_fifo_size + tx_fifo_size); + approx_segment_count = + (approx_total_size + + (ca->private_segment_size - 1)) / (u64) ca->private_segment_size; + + /* The user asked us to figure it out... */ + if (ca->private_segment_count == 0) + { + ca->private_segment_count = approx_segment_count; + } + /* Follow directions, but issue a warning */ + else if (approx_segment_count != ca->private_segment_count) + { + clib_warning + ("Honoring segment count %u, but calculated count was %u", + ca->private_segment_count, approx_segment_count); + } + if (svm_fifo_segment_create_process_private (ca)) clib_warning ("Failed to create process private segment"); @@ -503,7 +538,9 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input, u8 show_segments = 0, verbose = 0, *name; uword address; u64 size; - u32 fifos; + u32 active_fifos; + u32 free_fifos; + mheap_t *heap_header; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -536,8 +573,8 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input, segments = svm_fifo_segment_segments_pool (); vlib_cli_output (vm, "%d svm fifo segments allocated", pool_elts (segments)); - vlib_cli_output (vm, "%-20s%=12s%=12s%=15s", "Name", "Size (M)", - "Fifos", "Address"); + vlib_cli_output (vm, "%-20s%=12s%=16s%=16s%=16s", "Name", + "HeapSize (M)", "ActiveFifos", "FreeFifos", "Address"); /* *INDENT-OFF* */ pool_foreach (seg, segments, ({ @@ -557,9 +594,14 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input, size = seg->ssvm.ssvm_size; name = seg->ssvm.sh->name; } - fifos = svm_fifo_segment_num_fifos (seg); - vlib_cli_output (vm, "%-20s%=12u%=12u%=15x", name, size << 20, fifos, + active_fifos = svm_fifo_segment_num_fifos (seg); + free_fifos = svm_fifo_segment_num_free_fifos (seg, ~0 /* size */); + vlib_cli_output (vm, "%-20v%=16llu%=16u%=16u%16llx", + name, size >> 20ULL, active_fifos, free_fifos, address); + if (verbose) + vlib_cli_output (vm, "%U", + format_svm_fifo_segment, seg, verbose); if (seg->h->flags & FIFO_SEGMENT_F_IS_PRIVATE) vec_free (name); })); @@ -573,7 +615,7 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input, VLIB_CLI_COMMAND (segment_manager_show_command, static) = { .path = "show segment-manager", - .short_help = "show segment-manager [segments]", + .short_help = "show segment-manager [segments][verbose]", .function = segment_manager_show_fn, }; /* *INDENT-ON* */ |