1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2020 Marvell International Ltd.
8 #include <rte_common.h>
10 #include <rte_malloc.h>
12 #include "graph_private.h"
14 /* Capture all graphs of cluster */
16 rte_graph_t nb_graphs;
19 struct graph **graphs;
22 /* Capture same node ID across cluster */
24 struct rte_graph_cluster_node_stats stat;
27 struct rte_node *nodes[];
30 struct rte_graph_cluster_stats {
32 rte_graph_cluster_stats_cb_t fn;
33 uint32_t cluster_node_size; /* Size of struct cluster_node */
39 struct cluster_node clusters[];
40 } __rte_cache_aligned;
43 fprintf(f, "+-------------------------------+---------------+--------" \
44 "-------+---------------+---------------+---------------+-" \
51 fprintf(f, "%-32s%-16s%-16s%-16s%-16s%-16s%-16s\n", "|Node", "|calls",
52 "|objs", "|realloc_count", "|objs/call", "|objs/sec(10E6)",
58 print_node(FILE *f, const struct rte_graph_cluster_node_stats *stat)
60 double objs_per_call, objs_per_sec, cycles_per_call, ts_per_hz;
61 const uint64_t prev_calls = stat->prev_calls;
62 const uint64_t prev_objs = stat->prev_objs;
63 const uint64_t cycles = stat->cycles;
64 const uint64_t calls = stat->calls;
65 const uint64_t objs = stat->objs;
68 call_delta = calls - prev_calls;
70 call_delta ? (double)((objs - prev_objs) / call_delta) : 0;
72 call_delta ? (double)((cycles - stat->prev_cycles) / call_delta)
74 ts_per_hz = (double)((stat->ts - stat->prev_ts) / stat->hz);
75 objs_per_sec = ts_per_hz ? (objs - prev_objs) / ts_per_hz : 0;
76 objs_per_sec /= 1000000;
79 "|%-31s|%-15" PRIu64 "|%-15" PRIu64 "|%-15" PRIu64
80 "|%-15.3f|%-15.6f|%-11.4f|\n",
81 stat->name, calls, objs, stat->realloc_count, objs_per_call,
82 objs_per_sec, cycles_per_call);
86 graph_cluster_stats_cb(bool is_first, bool is_last, void *cookie,
87 const struct rte_graph_cluster_node_stats *stat)
91 if (unlikely(is_first))
95 if (unlikely(is_last))
101 static struct rte_graph_cluster_stats *
102 stats_mem_init(struct cluster *cluster,
103 const struct rte_graph_cluster_stats_param *prm)
105 size_t sz = sizeof(struct rte_graph_cluster_stats);
106 struct rte_graph_cluster_stats *stats;
107 rte_graph_cluster_stats_cb_t fn;
108 int socket_id = prm->socket_id;
109 uint32_t cluster_node_size;
111 /* Fix up callback */
114 fn = graph_cluster_stats_cb;
116 cluster_node_size = sizeof(struct cluster_node);
117 /* For a given cluster, max nodes will be the max number of graphs */
118 cluster_node_size += cluster->nb_graphs * sizeof(struct rte_node *);
119 cluster_node_size = RTE_ALIGN(cluster_node_size, RTE_CACHE_LINE_SIZE);
121 stats = realloc(NULL, sz);
122 memset(stats, 0, sz);
125 stats->cluster_node_size = cluster_node_size;
126 stats->max_nodes = 0;
127 stats->socket_id = socket_id;
128 stats->cookie = prm->cookie;
136 stats_mem_populate(struct rte_graph_cluster_stats **stats_in,
137 struct rte_graph *graph, struct graph_node *graph_node)
139 struct rte_graph_cluster_stats *stats = *stats_in;
140 rte_node_t id = graph_node->node->id;
141 struct cluster_node *cluster;
142 struct rte_node *node;
145 cluster = stats->clusters;
147 /* Iterate over cluster node array to find node ID match */
148 for (count = 0; count < stats->max_nodes; count++) {
149 /* Found an existing node in the reel */
150 if (cluster->stat.id == id) {
151 node = graph_node_id_to_ptr(graph, id);
155 "Failed to find node %s in graph %s",
156 graph_node->node->name, graph->name);
158 cluster->nodes[cluster->nb_nodes++] = node;
161 cluster = RTE_PTR_ADD(cluster, stats->cluster_node_size);
164 /* Hey, it is a new node, allocate space for it in the reel */
165 stats = realloc(stats, stats->sz + stats->cluster_node_size);
167 SET_ERR_JMP(ENOMEM, err, "Realloc failed");
169 /* Clear the new struct cluster_node area */
170 cluster = RTE_PTR_ADD(stats, stats->sz),
171 memset(cluster, 0, stats->cluster_node_size);
172 memcpy(cluster->stat.name, graph_node->node->name, RTE_NODE_NAMESIZE);
173 cluster->stat.id = graph_node->node->id;
174 cluster->stat.hz = rte_get_timer_hz();
175 node = graph_node_id_to_ptr(graph, id);
177 SET_ERR_JMP(ENOENT, err, "Failed to find node %s in graph %s",
178 graph_node->node->name, graph->name);
179 cluster->nodes[cluster->nb_nodes++] = node;
181 stats->sz += stats->cluster_node_size;
191 stats_mem_fini(struct rte_graph_cluster_stats *stats)
197 cluster_init(struct cluster *cluster)
199 memset(cluster, 0, sizeof(*cluster));
203 cluster_add(struct cluster *cluster, struct graph *graph)
208 /* Skip the if graph is already added to cluster */
209 for (count = 0; count < cluster->nb_graphs; count++)
210 if (cluster->graphs[count] == graph)
213 /* Expand the cluster if required to store graph objects */
214 if (cluster->nb_graphs + 1 > cluster->size) {
215 cluster->size = RTE_MAX(1, cluster->size * 2);
216 sz = sizeof(struct graph *) * cluster->size;
217 cluster->graphs = realloc(cluster->graphs, sz);
218 if (cluster->graphs == NULL)
219 SET_ERR_JMP(ENOMEM, free, "Failed to realloc");
222 /* Add graph to cluster */
223 cluster->graphs[cluster->nb_graphs++] = graph;
231 cluster_fini(struct cluster *cluster)
234 free(cluster->graphs);
238 expand_pattern_to_cluster(struct cluster *cluster, const char *pattern)
240 struct graph_head *graph_head = graph_list_head_get();
244 /* Check for pattern match */
245 STAILQ_FOREACH(graph, graph_head, next) {
246 if (fnmatch(pattern, graph->name, 0) == 0) {
247 if (cluster_add(cluster, graph))
253 SET_ERR_JMP(EFAULT, fail, "Pattern %s graph not found",
261 struct rte_graph_cluster_stats *
262 rte_graph_cluster_stats_create(const struct rte_graph_cluster_stats_param *prm)
264 struct rte_graph_cluster_stats *stats, *rc = NULL;
265 struct graph_node *graph_node;
266 struct cluster cluster;
272 if (!rte_graph_has_stats_feature())
273 SET_ERR_JMP(EINVAL, fail, "Stats feature is not enabled");
276 SET_ERR_JMP(EINVAL, fail, "Invalid param");
278 if (prm->graph_patterns == NULL || prm->nb_graph_patterns == 0)
279 SET_ERR_JMP(EINVAL, fail, "Invalid graph param");
281 cluster_init(&cluster);
283 graph_spinlock_lock();
284 /* Expand graph pattern and add the graph to the cluster */
285 for (i = 0; i < prm->nb_graph_patterns; i++) {
286 pattern = prm->graph_patterns[i];
287 if (expand_pattern_to_cluster(&cluster, pattern))
291 /* Alloc the stats memory */
292 stats = stats_mem_init(&cluster, prm);
294 SET_ERR_JMP(ENOMEM, bad_pattern, "Failed alloc stats memory");
296 /* Iterate over M(Graph) x N (Nodes in graph) */
297 for (i = 0; i < cluster.nb_graphs; i++) {
298 graph = cluster.graphs[i];
299 STAILQ_FOREACH(graph_node, &graph->node_list, next) {
300 struct rte_graph *graph_fp = graph->graph;
301 if (stats_mem_populate(&stats, graph_fp, graph_node))
306 /* Finally copy to hugepage memory to avoid pressure on rte_realloc */
307 rc = rte_malloc_socket(NULL, stats->sz, 0, stats->socket_id);
309 rte_memcpy(rc, stats, stats->sz);
311 SET_ERR_JMP(ENOMEM, realloc_fail, "rte_malloc failed");
314 stats_mem_fini(stats);
316 graph_spinlock_unlock();
317 cluster_fini(&cluster);
323 rte_graph_cluster_stats_destroy(struct rte_graph_cluster_stats *stat)
325 return rte_free(stat);
329 cluster_node_arregate_stats(struct cluster_node *cluster)
331 uint64_t calls = 0, cycles = 0, objs = 0, realloc_count = 0;
332 struct rte_graph_cluster_node_stats *stat = &cluster->stat;
333 struct rte_node *node;
336 for (count = 0; count < cluster->nb_nodes; count++) {
337 node = cluster->nodes[count];
339 calls += node->total_calls;
340 objs += node->total_objs;
341 cycles += node->total_cycles;
342 realloc_count += node->realloc_count;
347 stat->cycles = cycles;
348 stat->ts = rte_get_timer_cycles();
349 stat->realloc_count = realloc_count;
353 cluster_node_store_prev_stats(struct cluster_node *cluster)
355 struct rte_graph_cluster_node_stats *stat = &cluster->stat;
357 stat->prev_ts = stat->ts;
358 stat->prev_calls = stat->calls;
359 stat->prev_objs = stat->objs;
360 stat->prev_cycles = stat->cycles;
364 rte_graph_cluster_stats_get(struct rte_graph_cluster_stats *stat, bool skip_cb)
366 struct cluster_node *cluster;
370 cluster = stat->clusters;
372 for (count = 0; count < stat->max_nodes; count++) {
373 cluster_node_arregate_stats(cluster);
375 rc = stat->fn(!count, (count == stat->max_nodes - 1),
376 stat->cookie, &cluster->stat);
377 cluster_node_store_prev_stats(cluster);
380 cluster = RTE_PTR_ADD(cluster, stat->cluster_node_size);
385 rte_graph_cluster_stats_reset(struct rte_graph_cluster_stats *stat)
387 struct cluster_node *cluster;
390 cluster = stat->clusters;
392 for (count = 0; count < stat->max_nodes; count++) {
393 struct rte_graph_cluster_node_stats *node = &cluster->stat;
400 node->prev_calls = 0;
402 node->prev_cycles = 0;
403 node->realloc_count = 0;
404 cluster = RTE_PTR_ADD(cluster, stat->cluster_node_size);