-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2017 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
*/
#include <string.h>
#include <sys/queue.h>
#include <rte_common.h>
+#include <rte_string_fns.h>
#include <rte_malloc.h>
#include <rte_metrics.h>
#include <rte_lcore.h>
#include <rte_memzone.h>
#include <rte_spinlock.h>
-#define RTE_METRICS_MAX_METRICS 256
+int metrics_initialized;
+
#define RTE_METRICS_MEMZONE_NAME "RTE_METRICS"
/**
struct rte_metrics_data_s *stats;
const struct rte_memzone *memzone;
+ if (metrics_initialized)
+ return;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return;
stats = memzone->addr;
memset(stats, 0, sizeof(struct rte_metrics_data_s));
rte_spinlock_init(&stats->lock);
+ metrics_initialized = 1;
+}
+
+int
+rte_metrics_deinit(void)
+{
+ struct rte_metrics_data_s *stats;
+ const struct rte_memzone *memzone;
+ int ret;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return -EINVAL;
+
+ memzone = rte_memzone_lookup(RTE_METRICS_MEMZONE_NAME);
+ if (memzone == NULL)
+ return -EIO;
+
+ stats = memzone->addr;
+ memset(stats, 0, sizeof(struct rte_metrics_data_s));
+
+ ret = rte_memzone_free(memzone);
+ if (ret == 0)
+ metrics_initialized = 0;
+ return ret;
}
int
int
rte_metrics_reg_names(const char * const *names, uint16_t cnt_names)
{
- struct rte_metrics_meta_s *entry;
+ struct rte_metrics_meta_s *entry = NULL;
struct rte_metrics_data_s *stats;
const struct rte_memzone *memzone;
uint16_t idx_name;
/* Some sanity checks */
if (cnt_names < 1 || names == NULL)
return -EINVAL;
+ for (idx_name = 0; idx_name < cnt_names; idx_name++)
+ if (names[idx_name] == NULL)
+ return -EINVAL;
memzone = rte_memzone_lookup(RTE_METRICS_MEMZONE_NAME);
if (memzone == NULL)
for (idx_name = 0; idx_name < cnt_names; idx_name++) {
entry = &stats->metadata[idx_name + stats->cnt_stats];
- strncpy(entry->name, names[idx_name],
- RTE_METRICS_MAX_NAME_LEN);
- /* Enforce NULL-termination */
- entry->name[RTE_METRICS_MAX_NAME_LEN - 1] = '\0';
+ strlcpy(entry->name, names[idx_name], RTE_METRICS_MAX_NAME_LEN);
memset(entry->value, 0, sizeof(entry->value));
entry->idx_next_stat = idx_name + stats->cnt_stats + 1;
}
stats = memzone->addr;
rte_spinlock_lock(&stats->lock);
+
+ if (key >= stats->cnt_stats) {
+ rte_spinlock_unlock(&stats->lock);
+ return -EINVAL;
+ }
idx_metric = key;
cnt_setsize = 1;
while (idx_metric < stats->cnt_stats) {
int return_value;
memzone = rte_memzone_lookup(RTE_METRICS_MEMZONE_NAME);
- /* If not allocated, fail silently */
if (memzone == NULL)
- return 0;
+ return -EIO;
stats = memzone->addr;
rte_spinlock_lock(&stats->lock);
return return_value;
}
for (idx_name = 0; idx_name < stats->cnt_stats; idx_name++)
- strncpy(names[idx_name].name,
+ strlcpy(names[idx_name].name,
stats->metadata[idx_name].name,
RTE_METRICS_MAX_NAME_LEN);
}
return -EINVAL;
memzone = rte_memzone_lookup(RTE_METRICS_MEMZONE_NAME);
- /* If not allocated, fail silently */
if (memzone == NULL)
- return 0;
+ return -EIO;
+
stats = memzone->addr;
rte_spinlock_lock(&stats->lock);