From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nogah Frankel Subject: [PATCH iproute2 v5 3/4] ifstat: Add "sw only" extended statistics to ifstat Date: Thu, 26 Jan 2017 14:44:40 +0200 Message-ID: <1485434681-33947-4-git-send-email-nogahf@mellanox.com> References: <1485434681-33947-1-git-send-email-nogahf@mellanox.com> Cc: stephen@networkplumber.org, roopa@cumulusnetworks.com, roszenrami@gmail.com, jbenc@redhat.com, sergei.shtylyov@cogentembedded.com, jiri@mellanox.com, eladr@mellanox.com, idosch@mellanox.com, yotamg@mellanox.com, ogerlitz@mellanox.com, Nogah Frankel To: netdev@vger.kernel.org Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:51774 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752054AbdAZMnH (ORCPT ); Thu, 26 Jan 2017 07:43:07 -0500 In-Reply-To: <1485434681-33947-1-git-send-email-nogahf@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: Add support for extended statistics of SW only type, for counting only the packets that went via the cpu. (useful for systems with forward offloading). It reads it from filter type IFLA_STATS_LINK_OFFLOAD_XSTATS and sub type IFLA_OFFLOAD_XSTATS_CPU_HIT. It is under the name 'cpu_hits' (or any shorten of it as 'cpu' or simply 'c') For example: ifstat -x c Signed-off-by: Nogah Frankel Reviewed-by: Jiri Pirko --- misc/ifstat.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/misc/ifstat.c b/misc/ifstat.c index 9467119..a853ee6 100644 --- a/misc/ifstat.c +++ b/misc/ifstat.c @@ -729,7 +729,8 @@ static int verify_forging(int fd) static void xstat_usage(void) { fprintf(stderr, -"Usage: ifstat supported xstats:\n"); +"Usage: ifstat supported xstats:\n" +" cpu_hits Counts only packets that went via the CPU.\n"); } struct extended_stats_options_t { @@ -743,6 +744,7 @@ struct extended_stats_options_t { * Name length must be under 64 chars. */ static const struct extended_stats_options_t extended_stats_options[] = { + {"cpu_hits", IFLA_STATS_LINK_OFFLOAD_XSTATS, IFLA_OFFLOAD_XSTATS_CPU_HIT}, }; static const char *get_filter_type(const char *name) -- 2.4.3