From d35887297d6320efb36c24ef123480f27a736b16 Mon Sep 17 00:00:00 2001 From: Ryujiro Shibuya Date: Fri, 13 Mar 2020 12:45:06 +0000 Subject: svm: chunk alloc stats Type: feature Showing number of allocated chunks by size, in addition to the freelist chunks by size. Signed-off-by: Ryujiro Shibuya Change-Id: I50f7b695a217f132d5f0b307182a34752d3fe1dc --- src/svm/fifo_segment.c | 17 ++++++++++++----- src/svm/fifo_types.h | 1 + 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c index dbfa153b55e..5d374384a33 100644 --- a/src/svm/fifo_segment.c +++ b/src/svm/fifo_segment.c @@ -175,6 +175,7 @@ fifo_segment_init (fifo_segment_t * fs) { fss = fsh_slice_get (fsh, i); vec_validate_init_empty (fss->free_chunks, max_chunk_sz, 0); + vec_validate_init_empty (fss->num_chunks, max_chunk_sz, 0); clib_spinlock_init (&fss->chunk_lock); } @@ -527,6 +528,7 @@ fsh_try_alloc_chunk_batch (fifo_segment_header_t * fsh, cmem += sizeof (*c) + rounded_data_size; } + fss->num_chunks[fl_index] += batch_size; fss->n_fl_chunk_bytes += batch_size * rounded_data_size; fsh_cached_bytes_add (fsh, batch_size * rounded_data_size); fsh_free_bytes_sub (fsh, size); @@ -578,6 +580,7 @@ fs_try_alloc_fifo_batch (fifo_segment_header_t * fsh, fmem += hdrs + rounded_data_size; } + fss->num_chunks[fl_index] += batch_size; fss->n_fl_chunk_bytes += batch_size * rounded_data_size; fsh_cached_bytes_add (fsh, batch_size * rounded_data_size); fsh_free_bytes_sub (fsh, size); @@ -648,6 +651,7 @@ fs_try_alloc_fifo (fifo_segment_header_t * fsh, fifo_segment_slice_t * fss, ssvm_pop_heap (oldheap); if (f) { + fss->num_chunks[fl_index] += 1; fsh_free_bytes_sub (fsh, fifo_sz); goto done; } @@ -707,6 +711,7 @@ fsh_alloc_chunk (fifo_segment_header_t * fsh, u32 slice_index, u32 chunk_size) if (c) { + fss->num_chunks[fl_index] += 1; fsh_free_bytes_sub (fsh, chunk_size + sizeof (*c)); goto done; } @@ -976,6 +981,7 @@ fifo_segment_prealloc_fifo_chunks (fifo_segment_t * fs, u32 slice_index, fsh_cached_bytes_add (fsh, rounded_data_size); } + fss->num_chunks[fl_index] += batch_size; fss->n_fl_chunk_bytes += batch_size * rounded_data_size; fsh_free_bytes_sub (fsh, size); @@ -1343,8 +1349,9 @@ format_fifo_segment (u8 * s, va_list * args) free_chunks = fifo_segment_num_free_chunks (fs, ~0); if (free_chunks) - s = format (s, "\n\n%UFree chunks by size:\n", format_white_space, - indent + 2); + s = + format (s, "\n\n%UFree/Allocated chunks by size:\n", format_white_space, + indent + 2); else s = format (s, "\n"); @@ -1354,7 +1361,7 @@ format_fifo_segment (u8 * s, va_list * args) for (i = 0; i < vec_len (fss->free_chunks); i++) { c = fss->free_chunks[i]; - if (c == 0) + if (c == 0 && fss->num_chunks[i] == 0) continue; count = 0; while (c) @@ -1364,8 +1371,8 @@ format_fifo_segment (u8 * s, va_list * args) } chunk_size = fs_freelist_index_to_size (i); - s = format (s, "%U%-5u kB: %u\n", format_white_space, indent + 2, - chunk_size >> 10, count); + s = format (s, "%U%-5u kB: %u/%u\n", format_white_space, indent + 2, + chunk_size >> 10, count, fss->num_chunks[i]); chunk_bytes += count * chunk_size; } diff --git a/src/svm/fifo_types.h b/src/svm/fifo_types.h index a33ca21f1e0..234fd9f2f7b 100644 --- a/src/svm/fifo_types.h +++ b/src/svm/fifo_types.h @@ -104,6 +104,7 @@ typedef struct fifo_segment_slice_ svm_fifo_t *fifos; /**< Linked list of active RX fifos */ svm_fifo_t *free_fifos; /**< Freelists by fifo size */ svm_fifo_chunk_t **free_chunks; /**< Freelists by chunk size */ + u32 *num_chunks; /**< Allocated chunks by chunk size */ uword n_fl_chunk_bytes; /**< Chunk bytes on freelist */ uword virtual_mem; /**< Slice sum of all fifo sizes */ clib_spinlock_t chunk_lock; -- cgit 1.2.3-korg