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From: David Marchand <david.marchand@redhat.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev <dev@dpdk.org>, Wenzhuo Lu <wenzhuo.lu@intel.com>,
	 Jingjing Wu <jingjing.wu@intel.com>,
	"Iremonger, Bernard" <bernard.iremonger@intel.com>,
	 Rami Rosen <ramirose@gmail.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>
Subject: Re: [dpdk-dev] [PATCH v3 4/4] app/testpmd: display/clear forwarding stats on demand
Date: Thu, 21 Mar 2019 21:34:42 +0100	[thread overview]
Message-ID: <CAJFAV8wFqTPvkfpDBiXJ28-WPAYn23JniD_4Q+JKBvLyn01BsA@mail.gmail.com> (raw)
Message-ID: <20190321203442.riMSiaD7VLl7hF03ZSYYc3MRYe8eYGEqTDYOS6JxHhU@z> (raw)
In-Reply-To: <08af7320-82ba-da2b-ae0f-edda94316805@intel.com>

On Thu, Mar 21, 2019 at 7:50 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:

> On 3/20/2019 10:02 AM, David Marchand wrote:
> > Add a new "show/clear fwd stats all" command to display fwd and port
> > statistics on the fly.
> >
> > To be able to do so, the (testpmd only) rte_port structure can't be used
> > to maintain any statistics.
> > Moved the stats dump parts from stop_packet_forwarding() and merge with
> > fwd_port_stats_display() into fwd_stats_display().
> > fwd engine statistics are then aggregated into a local per port array.
> >
> > Signed-off-by: David Marchand <david.marchand@redhat.com>
>
> <...>
>
> > +/* show/clear fwd engine statistics */
> > +struct fwd_result {
> > +     cmdline_fixed_string_t action;
> > +     cmdline_fixed_string_t fwd;
> > +     cmdline_fixed_string_t stats;
> > +     cmdline_fixed_string_t all;
> > +};
> > +
> > +cmdline_parse_token_string_t cmd_fwd_action =
> > +     TOKEN_STRING_INITIALIZER(struct fwd_result, action, "show#clear");
> > +cmdline_parse_token_string_t cmd_fwd_fwd =
> > +     TOKEN_STRING_INITIALIZER(struct fwd_result, fwd, "fwd");
> > +cmdline_parse_token_string_t cmd_fwd_stats =
> > +     TOKEN_STRING_INITIALIZER(struct fwd_result, stats, "stats");
> > +cmdline_parse_token_string_t cmd_fwd_all =
> > +     TOKEN_STRING_INITIALIZER(struct fwd_result, all, "all");
>
> Do we need "all"?
> Normally we have it when there is selection between specific <port_id> or
> all,
> here only option is all.
>

Well, the thing is that if we add a specific <fwd_id> later, we would have
to introduce this "all".
And since a lot of people are going to use this command, this would break
their scripts ;-)

I find it consistent with "show port stats all" as well.


> > +
> > +static void
> > +cmd_fwd_parsed(void *parsed_result,
> > +            __rte_unused struct cmdline *cl,
> > +            __rte_unused void *data)
> > +{
> > +     struct fwd_result *res = parsed_result;
> > +
> > +     if (!strcmp(res->action, "show"))
> > +             fwd_stats_display();
> > +     else
> > +             fwd_stats_reset();
> > +}
> > +
> > +static cmdline_parse_inst_t cmd_fwdall = {
> > +     .f = cmd_fwd_parsed,
> > +     .data = NULL,
> > +     .help_str = "show|clear fwd stats all",
> > +     .tokens = {
> > +             (void *)&cmd_fwd_action,
> > +             (void *)&cmd_fwd_fwd,
> > +             (void *)&cmd_fwd_stats,
> > +             (void *)&cmd_fwd_all,
> > +             NULL,
> > +     },
> > +};
>
> in 'app/test-pmd/cmdline.c', there is 'cmd_help_long_parsed()' function to
> display the help output, can you please add new command information there
> too?
>

Indeed, will do.



> > +
> >  /* *** READ PORT REGISTER *** */
> >  struct cmd_read_reg_result {
> >       cmdline_fixed_string_t read;
> > @@ -18559,6 +18602,7 @@ struct cmd_show_tx_metadata_result {
> >       (cmdline_parse_inst_t *)&cmd_showqueue,
> >       (cmdline_parse_inst_t *)&cmd_showportall,
> >       (cmdline_parse_inst_t *)&cmd_showcfg,
> > +     (cmdline_parse_inst_t *)&cmd_fwdall,
>
> command name looks misleading 'fwdall', it feels like it is something doing
> forwarding more than display, what about following same syntax with above
> 'cmd_showportall', so 'cmd_showfwdall' or 'cmd_showfwd' based on your
> answer to
> drop "all"?
>

I would go with cmd_showfwdall.


> <...>
>
> > +#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
> > +             fwd_cycles += fs->core_cycles;
> > +#endif
>
> Ahh, it seems I missed this config option, looks useful :)
> I wonder if it is documented anywhere.
>

Well, it does seem quite unknown.
I am not sure of the accuracy, just tried it to check if it was really
broken or not, seems to work.


-- 
David Marchand

  parent reply	other threads:[~2019-03-21 20:34 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14 15:42 [dpdk-dev] [PATCH 0/5] display testpmd forwarding engine stats on the fly David Marchand
2019-02-14 15:42 ` [dpdk-dev] [PATCH 1/5] app/testpmd: remove unused fwd_ctx field David Marchand
2019-02-18 19:55   ` Rami Rosen
2019-02-14 15:42 ` [dpdk-dev] [PATCH 2/5] app/testpmd: add missing newline when showing statistics David Marchand
2019-02-19  5:48   ` Rami Rosen
2019-02-14 15:42 ` [dpdk-dev] [PATCH 3/5] app/testpmd: add missing transmit errors stats David Marchand
2019-02-14 16:30   ` Bruce Richardson
2019-02-14 17:39     ` David Marchand
2019-02-14 18:51       ` David Marchand
2019-02-15  8:57         ` Thomas Monjalon
2019-02-15  9:33           ` David Marchand
2019-02-15 14:05             ` Bruce Richardson
2019-02-15 14:13               ` Wiles, Keith
2019-02-15 15:04               ` David Marchand
2019-02-15 16:19                 ` Thomas Monjalon
2019-02-15 17:32                   ` David Marchand
2019-02-15 18:15                     ` Ananyev, Konstantin
2019-02-15 18:31                       ` David Marchand
2019-02-15 18:42                         ` Ananyev, Konstantin
2019-02-15 19:38                           ` Thomas Monjalon
2019-02-16  0:37                             ` Stephen Hemminger
2019-02-16 13:23                               ` Ananyev, Konstantin
2019-02-16 12:50                             ` Ananyev, Konstantin
2019-02-20  8:33                               ` David Marchand
2019-02-24 11:55                                 ` Ananyev, Konstantin
2019-02-14 15:42 ` [dpdk-dev] [PATCH 4/5] app/testpmd: remove useless casts on statistics David Marchand
2019-02-14 15:42 ` [dpdk-dev] [PATCH 5/5] app/testpmd: display/clear forwarding stats on demand David Marchand
2019-03-11 15:35 ` [dpdk-dev] [PATCH v2 0/4] display testpmd forwarding engine stats on the fly David Marchand
2019-03-11 15:35   ` [dpdk-dev] [PATCH v2 1/4] app/testpmd: remove unused fwd_ctx field David Marchand
2019-03-19 18:29     ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2019-03-19 18:29       ` Ferruh Yigit
2019-03-11 15:35   ` [dpdk-dev] [PATCH v2 2/4] app/testpmd: add missing newline when showing statistics David Marchand
2019-03-11 15:53     ` Andrew Rybchenko
2019-03-11 15:35   ` [dpdk-dev] [PATCH v2 3/4] app/testpmd: remove useless casts on statistics David Marchand
2019-03-11 15:57     ` Andrew Rybchenko
2019-03-11 16:03       ` David Marchand
2019-03-11 15:35   ` [dpdk-dev] [PATCH v2 4/4] app/testpmd: display/clear forwarding stats on demand David Marchand
2019-03-20 10:02   ` [dpdk-dev] [PATCH v3 0/4] display testpmd forwarding engine stats on the fly David Marchand
2019-03-20 10:02     ` David Marchand
2019-03-20 10:02     ` [dpdk-dev] [PATCH v3 1/4] app/testpmd: add missing newline when showing statistics David Marchand
2019-03-20 10:02       ` David Marchand
2019-03-20 13:49       ` Andrew Rybchenko
2019-03-20 13:49         ` Andrew Rybchenko
2019-03-20 10:02     ` [dpdk-dev] [PATCH v3 2/4] app/testpmd: extend fwd statistics to 64bits David Marchand
2019-03-20 10:02       ` David Marchand
2019-03-20 13:55       ` Andrew Rybchenko
2019-03-20 13:55         ` Andrew Rybchenko
2019-03-20 10:02     ` [dpdk-dev] [PATCH v3 3/4] app/testpmd: remove useless casts on statistics David Marchand
2019-03-20 10:02       ` David Marchand
2019-03-20 13:58       ` Andrew Rybchenko
2019-03-20 13:58         ` Andrew Rybchenko
2019-03-20 10:02     ` [dpdk-dev] [PATCH v3 4/4] app/testpmd: display/clear forwarding stats on demand David Marchand
2019-03-20 10:02       ` David Marchand
2019-03-20 12:25       ` Ferruh Yigit
2019-03-20 12:25         ` Ferruh Yigit
2019-03-20 12:44         ` David Marchand
2019-03-20 12:44           ` David Marchand
2019-03-20 13:29           ` Ferruh Yigit
2019-03-20 13:29             ` Ferruh Yigit
2019-03-21 18:50       ` Ferruh Yigit
2019-03-21 18:50         ` Ferruh Yigit
2019-03-21 20:34         ` David Marchand [this message]
2019-03-21 20:34           ` David Marchand
2019-03-22 13:37     ` [dpdk-dev] [PATCH v4 0/4] display testpmd forwarding engine stats on the fly David Marchand
2019-03-22 13:37       ` David Marchand
2019-03-22 13:37       ` [dpdk-dev] [PATCH v4 1/4] app/testpmd: add missing newline when showing statistics David Marchand
2019-03-22 13:37         ` David Marchand
2019-03-22 17:03         ` Maxime Coquelin
2019-03-22 17:03           ` Maxime Coquelin
2019-03-22 17:17         ` Maxime Coquelin
2019-03-22 17:17           ` Maxime Coquelin
2019-03-22 17:23           ` David Marchand
2019-03-22 17:23             ` David Marchand
2019-03-22 17:31             ` Andrew Rybchenko
2019-03-22 17:31               ` Andrew Rybchenko
2019-03-22 17:35         ` Andrew Rybchenko
2019-03-22 17:35           ` Andrew Rybchenko
2019-03-22 17:43           ` David Marchand
2019-03-22 17:43             ` David Marchand
2019-03-23 19:12             ` David Marchand
2019-03-23 19:12               ` David Marchand
2019-03-25  6:34               ` Andrew Rybchenko
2019-03-25  6:34                 ` Andrew Rybchenko
2019-03-22 13:37       ` [dpdk-dev] [PATCH v4 2/4] app/testpmd: extend fwd statistics to 64bits David Marchand
2019-03-22 13:37         ` David Marchand
2019-03-22 17:06         ` Maxime Coquelin
2019-03-22 17:06           ` Maxime Coquelin
2019-03-22 13:37       ` [dpdk-dev] [PATCH v4 3/4] app/testpmd: remove useless casts on statistics David Marchand
2019-03-22 13:37         ` David Marchand
2019-03-22 17:11         ` Maxime Coquelin
2019-03-22 17:11           ` Maxime Coquelin
2019-03-22 13:37       ` [dpdk-dev] [PATCH v4 4/4] app/testpmd: display/clear forwarding stats on demand David Marchand
2019-03-22 13:37         ` David Marchand
2019-03-22 17:22         ` Maxime Coquelin
2019-03-22 17:22           ` Maxime Coquelin
2019-03-25  8:51       ` [dpdk-dev] [PATCH v5 0/4] display testpmd forwarding engine stats on the fly David Marchand
2019-03-25  8:51         ` David Marchand
2019-03-25  8:51         ` [dpdk-dev] [PATCH v5 1/4] app/testpmd: add missing newline when showing statistics David Marchand
2019-03-25  8:51           ` David Marchand
2019-03-25  8:55           ` Andrew Rybchenko
2019-03-25  8:55             ` Andrew Rybchenko
2019-03-25  8:51         ` [dpdk-dev] [PATCH v5 2/4] app/testpmd: extend fwd statistics to 64bits David Marchand
2019-03-25  8:51           ` David Marchand
2019-03-25  8:51         ` [dpdk-dev] [PATCH v5 3/4] app/testpmd: remove useless casts on statistics David Marchand
2019-03-25  8:51           ` David Marchand
2019-03-25  8:51         ` [dpdk-dev] [PATCH v5 4/4] app/testpmd: display/clear forwarding stats on demand David Marchand
2019-03-25  8:51           ` David Marchand
2019-03-25 14:05         ` [dpdk-dev] [PATCH v5 0/4] display testpmd forwarding engine stats on the fly Ferruh Yigit
2019-03-25 14:05           ` Ferruh Yigit

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