From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8AE53A0542; Sat, 24 Sep 2022 09:56:47 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4450E42C08; Sat, 24 Sep 2022 09:56:18 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id A3FF242BD7 for ; Sat, 24 Sep 2022 09:56:11 +0200 (CEST) Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MZLqK2VvSzpVTL; Sat, 24 Sep 2022 15:53:17 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 24 Sep 2022 15:56:09 +0800 From: Chengwen Feng To: CC: , , , Subject: [PATCH v3 05/10] memarea: support dump API Date: Sat, 24 Sep 2022 07:49:46 +0000 Message-ID: <20220924074951.31814-6-fengchengwen@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220924074951.31814-1-fengchengwen@huawei.com> References: <20220721044648.6817-1-fengchengwen@huawei.com> <20220924074951.31814-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml500024.china.huawei.com (7.185.36.10) X-CFilter-Loop: Reflected X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch supports rte_memarea_dump() API which could be used for debug. Signed-off-by: Chengwen Feng --- doc/guides/prog_guide/memarea_lib.rst | 3 + lib/memarea/rte_memarea.c | 85 +++++++++++++++++++++++++++ lib/memarea/rte_memarea.h | 21 +++++++ lib/memarea/version.map | 1 + 4 files changed, 110 insertions(+) diff --git a/doc/guides/prog_guide/memarea_lib.rst b/doc/guides/prog_guide/memarea_lib.rst index 41bc0a90cd..c77012fe44 100644 --- a/doc/guides/prog_guide/memarea_lib.rst +++ b/doc/guides/prog_guide/memarea_lib.rst @@ -43,6 +43,9 @@ The ``rte_memarea_update_refcnt()`` function is used to update the memory object's reference count, if the count reaches zero, the memory object will be freed to memarea. ++The ``rte_memarea_dump()`` function is used to dump the internal information ++of a memarea. + Reference --------- diff --git a/lib/memarea/rte_memarea.c b/lib/memarea/rte_memarea.c index a072f07f20..b70830d0bb 100644 --- a/lib/memarea/rte_memarea.c +++ b/lib/memarea/rte_memarea.c @@ -2,6 +2,7 @@ * Copyright(c) 2022 HiSilicon Limited */ +#include #include #include #include @@ -298,3 +299,87 @@ rte_memarea_update_refcnt(struct rte_memarea *ma, void *ptr, int16_t value) memarea_free_elem(ma, elem); memarea_unlock(ma); } + +static const char * +memarea_source_name(enum rte_memarea_source source) +{ + if (source == RTE_MEMAREA_SOURCE_RTE_MEMORY) + return "rte-memory"; + else if (source == RTE_MEMAREA_SOURCE_SYSTEM_API) + return "system-api"; + else if (source == RTE_MEMAREA_SOURCE_USER_ADDR) + return "user-addr"; + else if (source == RTE_MEMAREA_SOURCE_USER_MEMAREA) + return "user-memarea"; + else + return "unknown"; +} + +static const char * +memarea_alg_name(enum rte_memarea_alg alg) +{ + if (alg == RTE_MEMAREA_ALG_DEFAULT) + return "default"; + else + return "unknown"; +} + +static uint32_t +memarea_elem_list_num(struct rte_memarea *ma) +{ + struct memarea_elem *elem; + uint32_t num = 0; + + TAILQ_FOREACH(elem, &ma->elem_list, elem_node) + num++; + + return num; +} + +static uint32_t +memarea_free_list_num(struct rte_memarea *ma) +{ + struct memarea_elem *elem; + uint32_t num = 0; + + TAILQ_FOREACH(elem, &ma->free_list, free_node) + num++; + + return num; +} + +static void +memarea_dump_all(struct rte_memarea *ma, FILE *f) +{ + struct memarea_elem *elem; + + fprintf(f, " regions:\n"); + TAILQ_FOREACH(elem, &ma->elem_list, elem_node) + fprintf(f, " size: 0x%zx cookie: 0x%x refcnt: %d\n", + elem->size, elem->cookie, elem->refcnt); +} + +int +rte_memarea_dump(struct rte_memarea *ma, FILE *f, bool dump_all) +{ + if (ma == NULL || f == NULL) + return -EINVAL; + + memarea_lock(ma); + fprintf(f, "memarea name: %s\n", ma->init.name); + fprintf(f, " source: %s\n", memarea_source_name(ma->init.source)); + if (ma->init.source == RTE_MEMAREA_SOURCE_USER_MEMAREA) + fprintf(f, " source-user-memarea: %s\n", ma->init.user_memarea->init.name); + fprintf(f, " algorithm: %s\n", memarea_alg_name(ma->init.alg)); + fprintf(f, " total-size: 0x%zx\n", ma->init.total_sz); + fprintf(f, " mt-safe: %s\n", ma->init.mt_safe ? "yes" : "no"); + fprintf(f, " total-regions: %u\n", memarea_elem_list_num(ma)); + fprintf(f, " total-free-regions: %u\n", memarea_free_list_num(ma)); + fprintf(f, " alloc_fails: %" PRIu64 "\n", ma->alloc_fails); + fprintf(f, " refcnt_check_fails: %" PRIu64 "\n", ma->refcnt_check_fails); + if (dump_all) + memarea_dump_all(ma, f); + memarea_unlock(ma); + + return 0; +} diff --git a/lib/memarea/rte_memarea.h b/lib/memarea/rte_memarea.h index 10e0d6ad5a..10b8229c64 100644 --- a/lib/memarea/rte_memarea.h +++ b/lib/memarea/rte_memarea.h @@ -194,6 +194,27 @@ void rte_memarea_free(struct rte_memarea *ma, void *ptr); __rte_experimental void rte_memarea_update_refcnt(struct rte_memarea *ma, void *ptr, int16_t value); +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * Dump memarea. + * + * Dump one memarea. + * + * @param ma + * The pointer of memarea. + * @param f + * The file to write the output to. + * @param dump_all + * Indicate whether to dump the allocated and free memory objects information. + * + * @return + * 0 on success. Otherwise negative value is returned. + */ +__rte_experimental +int rte_memarea_dump(struct rte_memarea *ma, FILE *f, bool dump_all); + #ifdef __cplusplus } #endif diff --git a/lib/memarea/version.map b/lib/memarea/version.map index a0026fc5f9..d8ddd93c13 100644 --- a/lib/memarea/version.map +++ b/lib/memarea/version.map @@ -4,6 +4,7 @@ EXPERIMENTAL { rte_memarea_alloc; rte_memarea_create; rte_memarea_destroy; + rte_memarea_dump; rte_memarea_free; rte_memarea_update_refcnt; -- 2.17.1