diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/mactime/mactime_top.c | 30 | ||||
| -rw-r--r-- | src/vpp-api/client/stat_client.c | 64 | ||||
| -rw-r--r-- | src/vpp-api/client/stat_client.h | 15 | ||||
| -rw-r--r-- | src/vpp-api/python/vpp_papi/vpp_stats.py | 9 | ||||
| -rw-r--r-- | src/vpp/stats/stat_segment.c | 154 | ||||
| -rw-r--r-- | src/vpp/stats/stat_segment.h | 10 | ||||
| -rw-r--r-- | src/vpp/stats/stat_segment_shared.h | 9 |
7 files changed, 82 insertions, 209 deletions
diff --git a/src/plugins/mactime/mactime_top.c b/src/plugins/mactime/mactime_top.c index ee60535e0c2..473cc5b5c0e 100644 --- a/src/plugins/mactime/mactime_top.c +++ b/src/plugins/mactime/mactime_top.c @@ -1,7 +1,6 @@ #include <vppinfra/time.h> #include <vppinfra/hash.h> #include <vppinfra/pool.h> -#include <vpp/stats/stat_segment.h> #include <vpp-api/client/stat_client.h> #include <vppinfra/vec.h> #include <mactime/mactime_device.h> @@ -11,9 +10,9 @@ #include <vnet/api_errno.h> #include <svm/queue.h> -/* define message IDs */ -#include <mactime/mactime.api_enum.h> +#include <vnet/format_fns.h> #include <mactime/mactime.api_types.h> +#include <mactime/mactime.api_enum.h> typedef struct { @@ -108,14 +107,18 @@ vl_api_mactime_details_t_handler (vl_api_mactime_details_t * mp) } #define vl_print(handle, ...) fformat(handle, __VA_ARGS__) +#define vl_endianfun /* define message structures */ +#include <mactime/mactime.api.h> +#undef vl_endianfun -#define vl_endianfun +/* instantiate all the print functions we know about */ #define vl_printfun +#include <mactime/mactime.api.h> +#undef vl_printfun + #define vl_api_version(n,v) static u32 api_version = v; #include <mactime/mactime.api.h> #undef vl_api_version -#undef vl_printfun -#undef vl_endianfun static int connect_to_vpp (char *name) @@ -137,7 +140,7 @@ connect_to_vpp (char *name) vec_free (msg_base_lookup_name); - if (mm->msg_id_base == ~0) + if (mm->msg_id_base == (u16) ~ 0) return -1; #define _(N,n) \ @@ -183,7 +186,6 @@ scrape_stats_segment (mt_main_t * mm) { vlib_counter_t **counters_by_thread; vlib_counter_t *counters; - u64 *offset_vector; mactime_device_t *dev; stat_segment_access_t sa; stat_client_main_t *sm = mm->stat_client_main; @@ -217,8 +219,7 @@ again1: stat_segment_access_start (&sa, sm); ep = vec_elt_at_index (sm->directory_vector, mm->ls_result1[0]); - counters_by_thread = stat_segment_pointer (sm->shared_header, ep->offset); - offset_vector = stat_segment_pointer (sm->shared_header, ep->offset_vector); + counters_by_thread = stat_segment_adjust (sm, ep->data); for (i = 0; i < vec_len (pool_indices); i++) { @@ -230,8 +231,7 @@ again1: for (j = 0; j < vec_len (counters_by_thread); j++) { - counters = stat_segment_pointer (sm->shared_header, - offset_vector[j]); + counters = stat_segment_adjust (sm, counters_by_thread[j]); mm->allow_counters[index].packets += counters[index].packets; mm->allow_counters[index].bytes += counters[index].bytes; } @@ -252,8 +252,7 @@ again2: stat_segment_access_start (&sa, sm); ep = vec_elt_at_index (sm->directory_vector, mm->ls_result2[0]); - counters_by_thread = stat_segment_pointer (sm->shared_header, ep->offset); - offset_vector = stat_segment_pointer (sm->shared_header, ep->offset_vector); + counters_by_thread = stat_segment_adjust (sm, ep->data); for (i = 0; i < vec_len (pool_indices); i++) { @@ -265,8 +264,7 @@ again2: for (j = 0; j < vec_len (counters_by_thread); j++) { - counters = stat_segment_pointer (sm->shared_header, - offset_vector[j]); + counters = stat_segment_adjust (sm, counters_by_thread[j]); mm->drop_counters[index].packets += counters[index].packets; mm->drop_counters[index].bytes += counters[index].bytes; } diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c index 54d6db660ee..56ff387d343 100644 --- a/src/vpp-api/client/stat_client.c +++ b/src/vpp-api/client/stat_client.c @@ -85,8 +85,8 @@ static stat_segment_directory_entry_t * get_stat_vector_r (stat_client_main_t * sm) { ASSERT (sm->shared_header); - return stat_segment_pointer (sm->shared_header, - sm->shared_header->directory_offset); + return stat_segment_adjust (sm, + (void *) sm->shared_header->directory_vector); } int @@ -142,7 +142,7 @@ stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm) sm->memory_size = st.st_size; sm->shared_header = memaddr; sm->directory_vector = - stat_segment_pointer (memaddr, sm->shared_header->directory_offset); + stat_segment_adjust (sm, (void *) sm->shared_header->directory_vector); return 0; } @@ -199,7 +199,7 @@ copy_data (stat_segment_directory_entry_t * ep, stat_client_main_t * sm) int i; vlib_counter_t **combined_c; /* Combined counter */ counter_t **simple_c; /* Simple counter */ - uint64_t *offset_vector; + uint64_t *error_vector; assert (sm->shared_header); @@ -212,67 +212,47 @@ copy_data (stat_segment_directory_entry_t * ep, stat_client_main_t * sm) break; case STAT_DIR_TYPE_COUNTER_VECTOR_SIMPLE: - if (ep->offset == 0) - return result; - simple_c = stat_segment_pointer (sm->shared_header, ep->offset); + simple_c = stat_segment_adjust (sm, ep->data); result.simple_counter_vec = vec_dup (simple_c); - offset_vector = - stat_segment_pointer (sm->shared_header, ep->offset_vector); for (i = 0; i < vec_len (simple_c); i++) { - counter_t *cb = - stat_segment_pointer (sm->shared_header, offset_vector[i]); + counter_t *cb = stat_segment_adjust (sm, simple_c[i]); result.simple_counter_vec[i] = vec_dup (cb); } break; case STAT_DIR_TYPE_COUNTER_VECTOR_COMBINED: - if (ep->offset == 0) - return result; - combined_c = stat_segment_pointer (sm->shared_header, ep->offset); + combined_c = stat_segment_adjust (sm, ep->data); result.combined_counter_vec = vec_dup (combined_c); - offset_vector = - stat_segment_pointer (sm->shared_header, ep->offset_vector); for (i = 0; i < vec_len (combined_c); i++) { - vlib_counter_t *cb = - stat_segment_pointer (sm->shared_header, offset_vector[i]); + vlib_counter_t *cb = stat_segment_adjust (sm, combined_c[i]); result.combined_counter_vec[i] = vec_dup (cb); } break; case STAT_DIR_TYPE_ERROR_INDEX: /* Gather errors from all threads into a vector */ - offset_vector = stat_segment_pointer (sm->shared_header, - sm->shared_header->error_offset); - vec_validate (result.error_vector, vec_len (offset_vector) - 1); - for (i = 0; i < vec_len (offset_vector); i++) + error_vector = + stat_segment_adjust (sm, (void *) sm->shared_header->error_vector); + vec_validate (result.error_vector, vec_len (error_vector) - 1); + for (i = 0; i < vec_len (error_vector); i++) { - counter_t *cb = - stat_segment_pointer (sm->shared_header, offset_vector[i]); + counter_t *cb = stat_segment_adjust (sm, (void *) error_vector[i]); result.error_vector[i] = cb[ep->index]; } break; case STAT_DIR_TYPE_NAME_VECTOR: - if (ep->offset == 0) - return result; - uint8_t **name_vector = - stat_segment_pointer (sm->shared_header, ep->offset); - result.name_vector = vec_dup (name_vector); - offset_vector = - stat_segment_pointer (sm->shared_header, ep->offset_vector); - for (i = 0; i < vec_len (name_vector); i++) - { - if (offset_vector[i]) - { - u8 *name = - stat_segment_pointer (sm->shared_header, offset_vector[i]); - result.name_vector[i] = vec_dup (name); - } - else - result.name_vector[i] = 0; - } + { + uint8_t **name_vector = stat_segment_adjust (sm, ep->data); + result.name_vector = vec_dup (name_vector); + for (i = 0; i < vec_len (name_vector); i++) + { + u8 *name = stat_segment_adjust (sm, name_vector[i]); + result.name_vector[i] = vec_dup (name); + } + } break; case STAT_DIR_TYPE_EMPTY: diff --git a/src/vpp-api/client/stat_client.h b/src/vpp-api/client/stat_client.h index 052d9692c88..9385cd242d5 100644 --- a/src/vpp-api/client/stat_client.h +++ b/src/vpp-api/client/stat_client.h @@ -101,6 +101,13 @@ _time_now_nsec (void) return 1e9 * ts.tv_sec + ts.tv_nsec; } +static inline void * +stat_segment_adjust (stat_client_main_t * sm, void *data) +{ + return (void *) ((char *) sm->shared_header + + ((char *) data - (char *) sm->shared_header->base)); +} + static inline int stat_segment_access_start (stat_segment_access_t * sa, stat_client_main_t * sm) @@ -120,9 +127,10 @@ stat_segment_access_start (stat_segment_access_t * sa, while (shared_header->in_progress != 0) ; } - sm->directory_vector = (stat_segment_directory_entry_t *) - stat_segment_pointer (sm->shared_header, - sm->shared_header->directory_offset); + sm->directory_vector = + (stat_segment_directory_entry_t *) stat_segment_adjust (sm, + (void *) + sm->shared_header->directory_vector); if (sm->timeout) return _time_now_nsec () < max_time ? 0 : -1; return 0; @@ -147,7 +155,6 @@ stat_segment_access_end (stat_segment_access_t * sa, stat_client_main_t * sm) return true; } - #endif /* included_stat_client_h */ /* diff --git a/src/vpp-api/python/vpp_papi/vpp_stats.py b/src/vpp-api/python/vpp_papi/vpp_stats.py index aa3409554d0..1a65c8ebad8 100644 --- a/src/vpp-api/python/vpp_papi/vpp_stats.py +++ b/src/vpp-api/python/vpp_papi/vpp_stats.py @@ -25,11 +25,10 @@ typedef struct { stat_directory_type_t type; union { - uint64_t offset; uint64_t index; uint64_t value; + uint64_t *data; }; - uint64_t offset_vector; char name[128]; // TODO change this to pointer to "somewhere" } stat_segment_directory_entry_t; @@ -50,11 +49,11 @@ typedef struct typedef struct { uint64_t version; + void *base; uint64_t epoch; uint64_t in_progress; - uint64_t directory_offset; - uint64_t error_offset; - uint64_t stats_offset; + stat_segment_directory_entry_t *directory_vector; + uint64_t **error_vector; } stat_segment_shared_header_t; typedef struct diff --git a/src/vpp/stats/stat_segment.c b/src/vpp/stats/stat_segment.c index 8727122cee7..8255b16c010 100644 --- a/src/vpp/stats/stat_segment.c +++ b/src/vpp/stats/stat_segment.c @@ -157,7 +157,6 @@ vlib_stats_delete_cm (void *cm_arg) vlib_simple_counter_main_t *cm = (vlib_simple_counter_main_t *) cm_arg; stat_segment_main_t *sm = &stat_segment_main; stat_segment_directory_entry_t *e; - stat_segment_shared_header_t *shared_header = sm->shared_header; /* Not all counters have names / hash-table entries */ if (!cm->name && !cm->stat_segment_name) @@ -174,10 +173,7 @@ vlib_stats_delete_cm (void *cm_arg) e = &sm->directory_vector[index]; hash_unset (sm->directory_vector_by_name, &e->name); - u64 *offset_vector = stat_segment_pointer (shared_header, e->offset_vector); - void *oldheap = clib_mem_set_heap (sm->heap); /* Enter stats segment */ - vec_free (offset_vector); clib_mem_set_heap (oldheap); /* Exit stats segment */ memset (e, 0, sizeof (*e)); @@ -226,32 +222,10 @@ vlib_stats_pop_heap (void *cm_arg, void *oldheap, u32 cindex, } stat_segment_directory_entry_t *ep = &sm->directory_vector[vector_index]; - ep->offset = stat_segment_offset (shared_header, cm->counters); /* Vector of threads of vectors of counters */ - u64 *offset_vector = - ep->offset_vector ? stat_segment_pointer (shared_header, - ep->offset_vector) : 0; - - /* Update the 2nd dimension offset vector */ - int i; - vec_validate (offset_vector, vec_len (cm->counters) - 1); - - if (sm->last != offset_vector) - { - for (i = 0; i < vec_len (cm->counters); i++) - offset_vector[i] = - stat_segment_offset (shared_header, cm->counters[i]); - } - else - offset_vector[cindex] = - stat_segment_offset (shared_header, cm->counters[cindex]); - - ep->offset_vector = stat_segment_offset (shared_header, offset_vector); - sm->directory_vector[vector_index].offset = - stat_segment_offset (shared_header, cm->counters); + ep->data = cm->counters; /* Reset the client hash table pointer, since it WILL change! */ - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + shared_header->directory_vector = sm->directory_vector; vlib_stat_segment_unlock (); clib_mem_set_heap (oldheap); @@ -278,13 +252,11 @@ vlib_stats_register_error_index (void *oldheap, u8 * name, u64 * em_vec, memcpy (e.name, name, vec_len (name)); e.name[vec_len (name)] = '\0'; e.type = STAT_DIR_TYPE_ERROR_INDEX; - e.offset = index; - e.offset_vector = 0; + e.index = index; vector_index = vlib_stats_create_counter (&e, oldheap); /* Warn clients to refresh any pointers they might be holding */ - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + shared_header->directory_vector = sm->directory_vector; } vlib_stat_segment_unlock (); @@ -293,45 +265,24 @@ vlib_stats_register_error_index (void *oldheap, u8 * name, u64 * em_vec, static void stat_validate_counter_vector (stat_segment_directory_entry_t * ep, u32 max) { - stat_segment_main_t *sm = &stat_segment_main; - stat_segment_shared_header_t *shared_header = sm->shared_header; - counter_t **counters = - ep->offset ? stat_segment_pointer (shared_header, ep->offset) : 0; + counter_t **counters = ep->data; vlib_thread_main_t *tm = vlib_get_thread_main (); int i; - u64 *offset_vector = 0; vec_validate_aligned (counters, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); - ep->offset = stat_segment_offset (shared_header, counters); - for (i = 0; i < tm->n_vlib_mains; i++) - { - vec_validate_aligned (counters[i], max, CLIB_CACHE_LINE_BYTES); - vec_add1 (offset_vector, - stat_segment_offset (shared_header, counters[i])); - } + vec_validate_aligned (counters[i], max, CLIB_CACHE_LINE_BYTES); - if (ep->offset_vector) - { - u64 *p = stat_segment_pointer (sm->shared_header, ep->offset_vector); - vec_free (p); - } - ep->offset_vector = stat_segment_offset (shared_header, offset_vector); + ep->data = counters; } always_inline void stat_set_simple_counter (stat_segment_directory_entry_t * ep, u32 thread_index, u32 index, u64 value) { - stat_segment_main_t *sm = &stat_segment_main; - stat_segment_shared_header_t *shared_header = sm->shared_header; - - ASSERT (shared_header); - counter_t *offset_vector = - stat_segment_pointer (sm->shared_header, ep->offset_vector); - counter_t *cb = - stat_segment_pointer (sm->shared_header, offset_vector[thread_index]); + ASSERT (ep->data); + counter_t *cb = ep->data; cb[index] = value; } @@ -349,13 +300,10 @@ vlib_stats_pop_heap2 (u64 * error_vector, u32 thread_index, void *oldheap, /* Reset the client hash table pointer, since it WILL change! */ vec_validate (sm->error_vector, thread_index); - sm->error_vector[thread_index] = - stat_segment_offset (shared_header, error_vector); + sm->error_vector[thread_index] = error_vector; - shared_header->error_offset = - stat_segment_offset (shared_header, sm->error_vector); - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + shared_header->error_vector = sm->error_vector; + shared_header->directory_vector = sm->directory_vector; if (lock) vlib_stat_segment_unlock (); @@ -402,6 +350,7 @@ vlib_map_stat_segment_init (void) sm->shared_header = shared_header = memaddr; shared_header->version = STAT_SEGMENT_VERSION; + shared_header->base = memaddr; sm->stat_segment_lockp = clib_mem_alloc (sizeof (clib_spinlock_t)); clib_spinlock_init (sm->stat_segment_lockp); @@ -420,9 +369,8 @@ vlib_map_stat_segment_init (void) sm->directory_vector[STAT_COUNTER_##E].type = STAT_DIR_TYPE_##t; foreach_stat_segment_counter_name #undef _ - /* Save the vector offset in the shared segment, for clients */ - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + /* Save the vector in the shared segment, for clients */ + shared_header->directory_vector = sm->directory_vector; clib_mem_set_heap (oldheap); @@ -482,7 +430,7 @@ format_stat_dir_entry (u8 * s, va_list * args) break; } - return format (s, format_string, ep->name, type_name, ep->offset); + return format (s, format_string, ep->name, type_name, 0); } static clib_error_t * @@ -551,7 +499,6 @@ update_node_counters (stat_segment_main_t * sm) vlib_main_t **stat_vms = 0; vlib_node_t ***node_dups = 0; int i, j; - stat_segment_shared_header_t *shared_header = sm->shared_header; static u32 no_max_nodes = 0; vlib_node_get_nodes (0 /* vm, for barrier sync */ , @@ -582,16 +529,11 @@ update_node_counters (stat_segment_main_t * sm) vec_validate (sm->nodes, l - 1); stat_segment_directory_entry_t *ep; ep = &sm->directory_vector[STAT_COUNTER_NODE_NAMES]; - ep->offset = stat_segment_offset (shared_header, sm->nodes); + ep->data = sm->nodes; - int i; - u64 *offset_vector = - ep->offset_vector ? stat_segment_pointer (shared_header, - ep->offset_vector) : 0; /* Update names dictionary */ - vec_validate (offset_vector, l - 1); vlib_node_t **nodes = node_dups[0]; - + int i; for (i = 0; i < vec_len (nodes); i++) { vlib_node_t *n = nodes[i]; @@ -600,13 +542,7 @@ update_node_counters (stat_segment_main_t * sm) if (sm->nodes[n->index]) vec_free (sm->nodes[n->index]); sm->nodes[n->index] = s; - offset_vector[i] = - sm->nodes[i] ? stat_segment_offset (shared_header, - sm->nodes[i]) : 0; - } - ep->offset_vector = stat_segment_offset (shared_header, offset_vector); - vlib_stat_segment_unlock (); clib_mem_set_heap (oldheap); no_max_nodes = l; @@ -622,31 +558,19 @@ update_node_counters (stat_segment_main_t * sm) counter_t *c; vlib_node_t *n = nodes[i]; - counters = - stat_segment_pointer (shared_header, - sm->directory_vector - [STAT_COUNTER_NODE_CLOCKS].offset); + counters = sm->directory_vector[STAT_COUNTER_NODE_CLOCKS].data; c = counters[j]; c[n->index] = n->stats_total.clocks - n->stats_last_clear.clocks; - counters = - stat_segment_pointer (shared_header, - sm->directory_vector - [STAT_COUNTER_NODE_VECTORS].offset); + counters = sm->directory_vector[STAT_COUNTER_NODE_VECTORS].data; c = counters[j]; c[n->index] = n->stats_total.vectors - n->stats_last_clear.vectors; - counters = - stat_segment_pointer (shared_header, - sm->directory_vector - [STAT_COUNTER_NODE_CALLS].offset); + counters = sm->directory_vector[STAT_COUNTER_NODE_CALLS].data; c = counters[j]; c[n->index] = n->stats_total.calls - n->stats_last_clear.calls; - counters = - stat_segment_pointer (shared_header, - sm->directory_vector - [STAT_COUNTER_NODE_SUSPENDS].offset); + counters = sm->directory_vector[STAT_COUNTER_NODE_SUSPENDS].data; c = counters[j]; c[n->index] = n->stats_total.suspends - n->stats_last_clear.suspends; @@ -879,8 +803,7 @@ stat_segment_register_gauge (u8 * name, stat_segment_update_fn update_fn, vlib_stat_segment_lock (); vector_index = vlib_stats_create_counter (&e, oldheap); - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + shared_header->directory_vector = sm->directory_vector; vlib_stat_segment_unlock (); clib_mem_set_heap (oldheap); @@ -919,8 +842,7 @@ stat_segment_register_state_counter (u8 * name, u32 * index) vector_index = vlib_stats_create_counter (&e, oldheap); - shared_header->directory_offset = - stat_segment_offset (shared_header, sm->directory_vector); + shared_header->directory_vector = sm->directory_vector; vlib_stat_segment_unlock (); clib_mem_set_heap (oldheap); @@ -1009,7 +931,6 @@ static clib_error_t * statseg_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) { stat_segment_main_t *sm = &stat_segment_main; - stat_segment_shared_header_t *shared_header = sm->shared_header; void *oldheap = vlib_stats_push_heap (sm->interfaces); vlib_stat_segment_lock (); @@ -1040,32 +961,7 @@ statseg_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_add) stat_segment_directory_entry_t *ep; ep = &sm->directory_vector[STAT_COUNTER_INTERFACE_NAMES]; - ep->offset = stat_segment_offset (shared_header, sm->interfaces); - - int i; - u64 *offset_vector = - ep->offset_vector ? stat_segment_pointer (shared_header, - ep->offset_vector) : 0; - - vec_validate (offset_vector, vec_len (sm->interfaces) - 1); - - if (sm->last != sm->interfaces) - { - /* the interface vector moved, so need to recalulate the offset array */ - for (i = 0; i < vec_len (sm->interfaces); i++) - { - offset_vector[i] = - sm->interfaces[i] ? stat_segment_offset (shared_header, - sm->interfaces[i]) : 0; - } - } - else - { - offset_vector[sw_if_index] = - sm->interfaces[sw_if_index] ? - stat_segment_offset (shared_header, sm->interfaces[sw_if_index]) : 0; - } - ep->offset_vector = stat_segment_offset (shared_header, offset_vector); + ep->data = sm->interfaces; vlib_stat_segment_unlock (); clib_mem_set_heap (oldheap); diff --git a/src/vpp/stats/stat_segment.h b/src/vpp/stats/stat_segment.h index 28e9ca3f778..a88067154f7 100644 --- a/src/vpp/stats/stat_segment.h +++ b/src/vpp/stats/stat_segment.h @@ -62,16 +62,10 @@ typedef enum #define STAT_SEGMENT_DEFAULT_SIZE (32<<20) /* Shared segment memory layout version */ -#define STAT_SEGMENT_VERSION 1 +#define STAT_SEGMENT_VERSION 2 #define STAT_SEGMENT_INDEX_INVALID UINT32_MAX -static inline uint64_t -stat_segment_offset (void *start, void *data) -{ - return (char *) data - (char *) start; -} - typedef void (*stat_segment_update_fn)(stat_segment_directory_entry_t * e, u32 i); typedef struct { @@ -88,7 +82,7 @@ typedef struct /* statistics segment */ uword *directory_vector_by_name; stat_segment_directory_entry_t *directory_vector; - u64 *error_vector; + volatile u64 **error_vector; u8 **interfaces; u8 **nodes; diff --git a/src/vpp/stats/stat_segment_shared.h b/src/vpp/stats/stat_segment_shared.h index 982bddd66b6..b09e2b5618f 100644 --- a/src/vpp/stats/stat_segment_shared.h +++ b/src/vpp/stats/stat_segment_shared.h @@ -31,11 +31,10 @@ typedef struct { stat_directory_type_t type; union { - uint64_t offset; uint64_t index; uint64_t value; + void *data; }; - uint64_t offset_vector; char name[128]; // TODO change this to pointer to "somewhere" } stat_segment_directory_entry_t; @@ -45,11 +44,11 @@ typedef struct typedef struct { uint64_t version; + void *base; volatile uint64_t epoch; volatile uint64_t in_progress; - volatile uint64_t directory_offset; - volatile uint64_t error_offset; - volatile uint64_t stats_offset; + volatile stat_segment_directory_entry_t *directory_vector; + volatile uint64_t **error_vector; } stat_segment_shared_header_t; static inline void * |