From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 4/5] memzone: add iterator function
Date: Fri, 02 May 2014 16:42:55 -0700 [thread overview]
Message-ID: <20140502234406.153584277@vyatta.com> (raw)
In-Reply-To: <20140502234251.707598579@vyatta.com>
[-- Attachment #1: memzone-walk.patch --]
[-- Type: text/plain, Size: 1360 bytes --]
When doing diagnostic function, it is useful to have a ability
to iterate over all memzones.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
--- a/lib/librte_eal/common/eal_common_memzone.c 2014-05-02 16:31:15.375587103 -0700
+++ b/lib/librte_eal/common/eal_common_memzone.c 2014-05-02 16:31:15.375587103 -0700
@@ -505,3 +505,20 @@ rte_eal_memzone_init(void)
return 0;
}
+
+/* Walk all reserved memory zones */
+void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *),
+ void *arg)
+{
+ struct rte_mem_config *mcfg;
+ unsigned i;
+
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ rte_rwlock_read_lock(&mcfg->mlock);
+ for (i=0; i<RTE_MAX_MEMZONE; i++) {
+ if (mcfg->memzone[i].addr != NULL)
+ (*func)(&mcfg->memzone[i], arg);
+ }
+ rte_rwlock_read_unlock(&mcfg->mlock);
+}
--- a/lib/librte_eal/common/include/rte_memzone.h 2014-05-02 16:31:15.375587103 -0700
+++ b/lib/librte_eal/common/include/rte_memzone.h 2014-05-02 16:31:15.375587103 -0700
@@ -248,6 +248,17 @@ const struct rte_memzone *rte_memzone_lo
*/
void rte_memzone_dump(void);
+/**
+ * Walk list of all memzones
+ *
+ * @param func
+ * Iterator function
+ * @param arg
+ * Argument passed to iterator
+ */
+void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *arg),
+ void *arg);
+
#ifdef __cplusplus
}
#endif
next prev parent reply other threads:[~2014-05-02 23:44 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-02 23:42 [dpdk-dev] [PATCH 0/5] Various patches to 1.6.0r2 Stephen Hemminger
2014-05-02 23:42 ` [dpdk-dev] [PATCH 1/5] spelling fixes Stephen Hemminger
2014-05-02 23:42 ` [dpdk-dev] [PATCH 2/5] dont inline string functions Stephen Hemminger
2014-05-02 23:42 ` [dpdk-dev] [PATCH 3/5] mempool: add walk iterator Stephen Hemminger
2014-05-16 12:36 ` Olivier MATZ
2014-05-02 23:42 ` Stephen Hemminger [this message]
2014-05-06 9:17 ` [dpdk-dev] [PATCH 4/5] memzone: add iterator function Burakov, Anatoly
2014-05-07 16:33 ` Stephen Hemminger
2014-05-16 12:38 ` Olivier MATZ
2014-05-02 23:42 ` [dpdk-dev] [PATCH 5/5] add FILE arguement to debug functions Stephen Hemminger
2014-05-04 12:20 ` Neil Horman
2014-05-04 20:17 ` Stephen Hemminger
2014-05-05 10:53 ` Neil Horman
2014-05-06 1:55 ` Stephen Hemminger
2014-05-06 11:04 ` Neil Horman
2014-05-06 12:52 ` Burakov, Anatoly
2014-05-16 14:41 ` Thomas Monjalon
2014-05-16 14:42 ` [dpdk-dev] [PATCH 0/5] Various patches to 1.6.0r2 Thomas Monjalon
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