--- /dev/null
+/*
+ * Copyright (c) 2012 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <time.h>
+#include <fcntl.h>
+#include <string.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/fifo.h>
+#include <vppinfra/time.h>
+#include <vppinfra/mheap.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/format.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vnet/api_errno.h>
+
+#include <svm/svmdb.h>
+
+typedef struct
+{
+ svmdb_client_t *svmdb_client;
+ f64 *vector_rate_ptr;
+ f64 *input_rate_ptr;
+ f64 *sig_error_rate_ptr;
+ pid_t *vpef_pid_ptr;
+ u64 last_sig_errors;
+ u64 current_sig_errors;
+ uword *sig_error_bitmap;
+ vlib_main_t *vlib_main;
+ vlib_main_t **my_vlib_mains;
+
+} gmon_main_t;
+
+#if DPDK == 0
+static inline u64
+vnet_get_aggregate_rx_packets (void)
+{
+ return 0;
+}
+#else
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/devices/dpdk/dpdk.h>
+#endif
+
+gmon_main_t gmon_main;
+
+static u64
+get_significant_errors (gmon_main_t * gm)
+{
+ vlib_main_t *this_vlib_main;
+ vlib_error_main_t *em;
+ uword code;
+ int vm_index;
+ u64 significant_errors = 0;
+
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach (code, gm->sig_error_bitmap,
+ ({
+ for (vm_index = 0; vm_index < vec_len (gm->my_vlib_mains); vm_index++)
+ {
+ this_vlib_main = gm->my_vlib_mains[vm_index];
+ em = &this_vlib_main->error_main;
+ significant_errors += em->counters[code] -
+ ((vec_len(em->counters_last_clear) > code) ?
+ em->counters_last_clear[code] : 0);
+ }
+ }));
+ /* *INDENT-ON* */
+
+ return (significant_errors);
+}
+
+static clib_error_t *
+publish_pid (vlib_main_t * vm)
+{
+ gmon_main_t *gm = &gmon_main;
+
+ *gm->vpef_pid_ptr = getpid ();
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (publish_pid);
+
+
+static uword
+gmon_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+{
+ f64 vector_rate;
+ u64 input_packets, last_input_packets, new_sig_errors;
+ f64 last_runtime, dt, now;
+ gmon_main_t *gm = &gmon_main;
+ int i;
+
+ last_runtime = 0.0;
+ last_input_packets = 0;
+
+ last_runtime = 0.0;
+ last_input_packets = 0;
+
+ /* Initial wait for the world to settle down */
+ vlib_process_suspend (vm, 5.0);
+
+ if (vec_len (vlib_mains) == 0)
+ vec_add1 (gm->my_vlib_mains, &vlib_global_main);
+ else
+ {
+ for (i = 0; i < vec_len (vlib_mains); i++)
+ vec_add1 (gm->my_vlib_mains, vlib_mains[i]);
+ }
+
+ while (1)
+ {
+ vlib_process_suspend (vm, 5.0);
+ vector_rate = vlib_last_vector_length_per_node (vm);
+ *gm->vector_rate_ptr = vector_rate;
+ now = vlib_time_now (vm);
+ dt = now - last_runtime;
+ input_packets = vnet_get_aggregate_rx_packets ();
+ *gm->input_rate_ptr = (f64) (input_packets - last_input_packets) / dt;
+ last_runtime = now;
+ last_input_packets = input_packets;
+
+ new_sig_errors = get_significant_errors (gm);
+ *gm->sig_error_rate_ptr =
+ ((f64) (new_sig_errors - gm->last_sig_errors)) / dt;
+ gm->last_sig_errors = new_sig_errors;
+ }
+
+ return 0; /* not so much */
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (gmon_process_node,static) = {
+ .function = gmon_process,
+ .type = VLIB_NODE_TYPE_PROCESS,
+ .name = "gmon-process",
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+gmon_init (vlib_main_t * vm)
+{
+ gmon_main_t *gm = &gmon_main;
+ api_main_t *am = &api_main;
+ pid_t *swp = 0;
+ f64 *v = 0;
+ clib_error_t *error;
+ svmdb_map_args_t _ma, *ma = &_ma;
+
+ if ((error = vlib_call_init_function (vm, vpe_api_init)))
+ return (error);
+
+ if ((error = vlib_call_init_function (vm, vlibmemory_init)))
+ return (error);
+
+ gm->vlib_main = vm;
+
+ memset (ma, 0, sizeof (*ma));
+ ma->root_path = am->root_path;
+ ma->uid = am->api_uid;
+ ma->gid = am->api_gid;
+
+ gm->svmdb_client = svmdb_map (ma);
+
+ /* Find or create, set to zero */
+ vec_add1 (v, 0.0);
+ svmdb_local_set_vec_variable (gm->svmdb_client,
+ "vpp_vector_rate", (char *) v, sizeof (*v));
+ vec_free (v);
+ vec_add1 (v, 0.0);
+ svmdb_local_set_vec_variable (gm->svmdb_client,
+ "vpp_input_rate", (char *) v, sizeof (*v));
+ vec_free (v);
+ vec_add1 (v, 0.0);
+ svmdb_local_set_vec_variable (gm->svmdb_client,
+ "vpp_sig_error_rate",
+ (char *) v, sizeof (*v));
+ vec_free (v);
+
+ vec_add1 (swp, 0.0);
+ svmdb_local_set_vec_variable (gm->svmdb_client,
+ "vpp_pid", (char *) swp, sizeof (*swp));
+ vec_free (swp);
+
+ /* the value cells will never move, so acquire references to them */
+ gm->vector_rate_ptr =
+ svmdb_local_get_variable_reference (gm->svmdb_client,
+ SVMDB_NAMESPACE_VEC,
+ "vpp_vector_rate");
+ gm->input_rate_ptr =
+ svmdb_local_get_variable_reference (gm->svmdb_client,
+ SVMDB_NAMESPACE_VEC,
+ "vpp_input_rate");
+ gm->sig_error_rate_ptr =
+ svmdb_local_get_variable_reference (gm->svmdb_client,
+ SVMDB_NAMESPACE_VEC,
+ "vpp_sig_error_rate");
+ gm->vpef_pid_ptr =
+ svmdb_local_get_variable_reference (gm->svmdb_client,
+ SVMDB_NAMESPACE_VEC, "vpp_pid");
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (gmon_init);
+
+static clib_error_t *
+gmon_exit (vlib_main_t * vm)
+{
+ gmon_main_t *gm = &gmon_main;
+
+ if (gm->vector_rate_ptr)
+ {
+ *gm->vector_rate_ptr = 0.0;
+ *gm->vpef_pid_ptr = 0;
+ *gm->input_rate_ptr = 0.0;
+ *gm->sig_error_rate_ptr = 0.0;
+ svm_region_unmap ((void *) gm->svmdb_client->db_rp);
+ vec_free (gm->svmdb_client);
+ }
+ return 0;
+}
+
+VLIB_MAIN_LOOP_EXIT_FUNCTION (gmon_exit);
+
+static int
+significant_error_enable_disable (gmon_main_t * gm, u32 index, int enable)
+{
+ vlib_main_t *vm = gm->vlib_main;
+ vlib_error_main_t *em = &vm->error_main;
+
+ if (index >= vec_len (em->counters))
+ return VNET_API_ERROR_NO_SUCH_ENTRY;
+
+ gm->sig_error_bitmap =
+ clib_bitmap_set (gm->sig_error_bitmap, index, enable);
+ return 0;
+}
+
+static clib_error_t *
+set_significant_error_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ u32 index;
+ int enable = 1;
+ int rv;
+ gmon_main_t *gm = &gmon_main;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "%d", &index))
+ ;
+ else if (unformat (input, "disable"))
+ enable = 0;
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ rv = significant_error_enable_disable (gm, index, enable);
+
+ switch (rv)
+ {
+ case 0:
+ break;
+
+ default:
+ return clib_error_return
+ (0, "significant_error_enable_disable returned %d", rv);
+ }
+
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (set_significant_error_command, static) = {
+ .path = "set significant error",
+ .short_help = "set significant error <counter-index-nnn> [disable]",
+ .function = set_significant_error_command_fn,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff