stats: counters data model

[vpp.git] / src / vlib / node.h

diff --git a/src/vlib/node.h b/src/vlib/node.h
index 9f324f7..6b9a2df 100644 (file)
--- a/src/vlib/node.h
+++ b/src/vlib/node.h
@@ -116,6 +116,7 @@ typedef struct _vlib_node_registration
 
   /* Error strings indexed by error code for this node. */
   char **error_strings;
+  vl_counter_t *error_counters;
 
   /* Buffer format/unformat for this node. */
   format_function_t *format_buffer;
@@ -218,6 +219,8 @@ CLIB_MARCH_SFX (node##_multiarch_register) (void)                   \
 }                                                                      \
 uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (node##_fn)
 
+unformat_function_t unformat_vlib_node_variant;
+
 always_inline vlib_node_registration_t *
 vlib_node_next_registered (vlib_node_registration_t * c)
 {
@@ -233,9 +236,6 @@ typedef struct
   u64 calls, vectors, clocks, suspends;
   u64 max_clock;
   u64 max_clock_n;
-  u64 perf_counter0_ticks;
-  u64 perf_counter1_ticks;
-  u64 perf_counter_vectors;
 } vlib_node_stats_t;
 
 #define foreach_vlib_node_state                                        \
@@ -324,8 +324,8 @@ typedef struct vlib_node_t
   u32 error_heap_handle;
   u32 error_heap_index;
 
-  /* Error strings indexed by error code for this node. */
-  char **error_strings;
+  /* Counter structures indexed by counter code for this node. */
+  vl_counter_t *error_counters;
 
   /* Vector of next node names.
      Only used before next_nodes array is initialized. */
@@ -469,10 +469,6 @@ typedef struct vlib_node_runtime_t
 
   vlib_error_t *errors;                        /**< Vector of errors for this node. */
 
-#if __SIZEOF_POINTER__ == 4
-  u8 pad[8];
-#endif
-
   u32 clocks_since_last_overflow;      /**< Number of clock cycles. */
 
   u32 max_clock;                       /**< Maximum clock cycle for an
@@ -486,10 +482,6 @@ typedef struct vlib_node_runtime_t
   u32 vectors_since_last_overflow;     /**< Number of vector elements
                                          processed by this node. */
 
-  u32 perf_counter0_ticks_since_last_overflow; /**< Perf counter 0 ticks */
-  u32 perf_counter1_ticks_since_last_overflow; /**< Perf counter 1 ticks */
-  u32 perf_counter_vectors_since_last_overflow;        /**< Perf counter vectors */
-
   u32 next_frame_index;                        /**< Start of next frames for this
                                          node. */
 
@@ -510,6 +502,10 @@ typedef struct vlib_node_runtime_t
 
   u16 state;                           /**< Input node state. */
 
+  u32 interrupt_data;                  /**< Data passed together with interrupt.
+                                         Valid only when state is
+                                         VLIB_NODE_STATE_INTERRUPT */
+
   u16 n_next_nodes;
 
   u16 cached_next_index;               /**< Next frame index that vector
@@ -550,6 +546,7 @@ typedef struct
 
 typedef struct
 {
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
   /* Node runtime for this process. */
   vlib_node_runtime_t node_runtime;
 
@@ -611,32 +608,10 @@ typedef struct
   vlib_cli_output_function_t *output_function;
   uword output_function_arg;
 
-#ifdef CLIB_UNIX
-  /* Pad to a multiple of the page size so we can mprotect process stacks */
-#define PAGE_SIZE_MULTIPLE 0x1000
-#define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT  __attribute__ ((aligned (PAGE_SIZE_MULTIPLE)))
-#else
-#define ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT
-#endif
-
-  /* Process stack.  Starts here and extends 2^log2_n_stack_bytes
-     bytes. */
-
+  /* Process stack */
 #define VLIB_PROCESS_STACK_MAGIC (0xdead7ead)
-  u32 stack[0] ALIGN_ON_MULTIPLE_PAGE_BOUNDARY_FOR_MPROTECT;
-} vlib_process_t __attribute__ ((aligned (CLIB_CACHE_LINE_BYTES)));
-
-#ifdef CLIB_UNIX
-  /* Ensure that the stack is aligned on the multiple of the page size */
-typedef char
-  assert_process_stack_must_be_aligned_exactly_to_page_size_multiple[(sizeof
-                                                                     (vlib_process_t)
-                                                                     -
-                                                                     PAGE_SIZE_MULTIPLE)
-                                                                    ==
-                                                                    0 ? 0 :
-                                                                    -1];
-#endif
+  u32 *stack;
+} vlib_process_t;
 
 typedef struct
 {
@@ -693,6 +668,12 @@ vlib_timing_wheel_data_get_index (u32 d)
   return d / 2;
 }
 
+typedef struct
+{
+  u32 node_runtime_index;
+  u32 data;
+} vlib_node_interrupt_t;
+
 typedef struct
 {
   /* Public nodes. */
@@ -709,7 +690,9 @@ typedef struct
   vlib_node_runtime_t *nodes_by_type[VLIB_N_NODE_TYPE];
 
   /* Node runtime indices for input nodes with pending interrupts. */
-  u32 *pending_interrupt_node_runtime_indices;
+  vlib_node_interrupt_t *pending_local_interrupts;
+  vlib_node_interrupt_t *pending_remote_interrupts;
+  volatile u32 *pending_remote_interrupts_notify;
   clib_spinlock_t pending_interrupt_lock;
 
   /* Input nodes are switched from/to interrupt to/from polling mode