New appctl 'dpdk/get-malloc-stats' implemented to get result of 'rte_malloc_dump_stats()' function.
Could be used for debugging. Signed-off-by: Eli Britstein <[email protected]> Reviewed-by: Salem Sol <[email protected]> --- NEWS | 1 + lib/dpdk-unixctl.man | 2 ++ lib/dpdk.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 32 insertions(+) diff --git a/NEWS b/NEWS index e0c0f0408..3420c38ce 100644 --- a/NEWS +++ b/NEWS @@ -11,6 +11,7 @@ Post-v2.15.0 * New command 'record-hostname-if-not-set' to update hostname in ovsdb. - DPDK: * New debug appctl command 'dpdk/get-socket-stats'. + * New debug appctl command 'dpdk/get-malloc-stats'. v2.15.0 - 15 Feb 2021 diff --git a/lib/dpdk-unixctl.man b/lib/dpdk-unixctl.man index 37f02d6c7..dc927c531 100644 --- a/lib/dpdk-unixctl.man +++ b/lib/dpdk-unixctl.man @@ -14,5 +14,7 @@ by a colon from the logging \fBlevel\fR to apply. Prints the statistics information about DPDK socket \fIsocket\fR. If called without arguments, information of all the available sockets will be printed. +.IP "\fBdpdk/get-malloc-stats\fR" +Prints the statistics information about DPDK malloc. .RE . diff --git a/lib/dpdk.c b/lib/dpdk.c index 5a6b2015c..c4f223f30 100644 --- a/lib/dpdk.c +++ b/lib/dpdk.c @@ -414,6 +414,33 @@ out: free(response); } +static void +dpdk_unixctl_get_malloc_stats(struct unixctl_conn *conn, + int argc OVS_UNUSED, + const char *argv[] OVS_UNUSED, + void *aux OVS_UNUSED) +{ + size_t size; + FILE *stream; + char *response = NULL; + + stream = open_memstream(&response, &size); + if (!stream) { + response = xasprintf("Unable to open memstream: %s.", + ovs_strerror(errno)); + unixctl_command_reply_error(conn, response); + goto out; + } + + rte_malloc_dump_stats(stream, NULL); + + fclose(stream); + + unixctl_command_reply(conn, response); +out: + free(response); +} + static bool dpdk_init__(const struct smap *ovs_other_config) { @@ -585,6 +612,8 @@ dpdk_init__(const struct smap *ovs_other_config) INT_MAX, dpdk_unixctl_log_set, NULL); unixctl_command_register("dpdk/get-socket-stats", "[socket]", 0, INT_MAX, dpdk_unixctl_get_socket_stats, NULL); + unixctl_command_register("dpdk/get-malloc-stats", "", 0, 0, + dpdk_unixctl_get_malloc_stats, NULL); /* We are called from the main thread here */ RTE_PER_LCORE(_lcore_id) = NON_PMD_CORE_ID; -- 2.28.0.2311.g225365fb51 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
