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From: David Marchand <david.marchand@redhat.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev <dev@dpdk.org>, Thomas Monjalon <thomas@monjalon.net>,
	Aaron Conole <aconole@redhat.com>,
	 Michael Santana <msantana@redhat.com>,
	dpdk stable <stable@dpdk.org>,
	 Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	Jerin Jacob <jerin.jacob@caviumnetworks.com>
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v2 08/15] test/rcu: remove arbitrary limit on max core count
Date: Fri, 28 Jun 2019 15:32:00 +0200
Message-ID: <CAJFAV8wdxynDFDnVKNDh=HmPgUTV0ABCxZp5_u1pwRTzAcJp3A@mail.gmail.com> (raw)
In-Reply-To: <ee6098e4-a288-8b57-b0b5-22ed8ce7bffb@intel.com>

On Fri, Jun 28, 2019 at 2:57 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:

> On 6/15/2019 7:42 AM, David Marchand wrote:
> > We can have up to RTE_MAX_LCORE in a dpdk application.
> > Remove the limit on 128 cores and tests that are now always false.
> >
> > Fixes: b87089b0bb19 ("test/rcu: add API and functional tests")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: David Marchand <david.marchand@redhat.com>
>
> <...>
>
> > @@ -664,12 +643,12 @@ static struct rte_hash *init_hash(void)
> >               goto test_fail;
> >
> >       /* Make sure the actual number of cores provided is less than
> > -      * TEST_RCU_MAX_LCORE. This will allow for some threads not
> > +      * RTE_MAX_LCORE. This will allow for some threads not
> >        * to be registered on the QS variable.
> >        */
> > -     if (num_cores >= TEST_RCU_MAX_LCORE) {
> > +     if (num_cores >= RTE_MAX_LCORE) {
> >               printf("Test failed! number of cores provided should be
> less than %d\n",
> > -                     TEST_RCU_MAX_LCORE);
> > +                     RTE_MAX_LCORE);
> >               goto test_fail;
> >       }
> >
> >
>
> Hi David,
>
> This is causing build error for arm [1] since in config they have
> "CONFIG_RTE_MAX_LCORE=256"
> Can we make 'num_cores' 'uint16_t'?
>
> [1]
> .../dpdk/app/test/test_rcu_qsbr_perf.c:649:16: error: comparison is always
> false
> due to limited range of data type [-Werror=type-limits]
>   if (num_cores >= RTE_MAX_LCORE) {
>                 ^~
>

I checked and I am not reproducing it in travis arm64 compilation, but did
not investigate why.
Indeed there is an issue, I can send a patch to fix, but Honnappa also
reported it and sent a patch [1].


1: http://patchwork.dpdk.org/patch/55530/

-- 
David Marchand

  reply index

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-04  8:59 [dpdk-dev] [PATCH 00/14] Unit tests fixes for CI David Marchand
2019-06-04  8:59 ` [dpdk-dev] [PATCH 01/14] test/bonding: add missing sources for link bonding RSS David Marchand
2019-06-04 12:59   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 02/14] test/crypto: move tests to the driver specific list David Marchand
2019-06-04 13:00   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 03/14] test/eventdev: " David Marchand
2019-06-04 13:04   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 04/14] test/hash: fix off-by-one check on core count David Marchand
2019-06-04 13:05   ` Aaron Conole
2019-06-05 20:02   ` Wang, Yipeng1
2019-06-04  8:59 ` [dpdk-dev] [PATCH 05/14] test/hash: rectify slaveid to point to valid cores David Marchand
2019-06-05 20:02   ` Wang, Yipeng1
2019-06-04  8:59 ` [dpdk-dev] [PATCH 06/14] test/hash: clean remaining trace of scaling autotest David Marchand
2019-06-04 13:31   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 07/14] test/latencystats: fix stack smashing David Marchand
2019-06-04 13:38   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 08/14] test/stack: fix lock-free test name David Marchand
2019-06-04 13:06   ` Aaron Conole
2019-06-04  8:59 ` [dpdk-dev] [PATCH 09/14] test/eal: set memory channel config only in dedicated test David Marchand
2019-06-04 13:11   ` Aaron Conole
2019-06-26  9:44   ` Burakov, Anatoly
2019-06-04  8:59 ` [dpdk-dev] [PATCH 10/14] test/eal: set core mask/list " David Marchand
2019-06-04 13:12   ` Aaron Conole
2019-06-26  9:45   ` Burakov, Anatoly
2019-06-04  8:59 ` [dpdk-dev] [PATCH 11/14] test/eal: check number of cores before running subtests David Marchand
2019-06-04 13:26   ` Aaron Conole
2019-06-26  9:47   ` Burakov, Anatoly
2019-06-04  8:59 ` [dpdk-dev] [PATCH 12/14] test/eal: make the test pass again David Marchand
2019-06-04 13:29   ` Aaron Conole
2019-06-04 13:50     ` David Marchand
2019-06-26  9:49   ` Burakov, Anatoly
2019-06-26 10:03     ` David Marchand
2019-06-04  8:59 ` [dpdk-dev] [PATCH 13/14] test: do not start tests in parallel David Marchand
2019-06-04  8:59 ` [dpdk-dev] [PATCH 14/14] test: skip tests when missing requirements David Marchand
2019-06-07 20:54   ` Honnappa Nagarahalli
2019-06-08  8:01     ` David Marchand
2019-06-11  4:08       ` Honnappa Nagarahalli
2019-06-04 15:49 ` [dpdk-dev] [PATCH 00/14] Unit tests fixes for CI Michael Santana Francisco
2019-06-27 16:34   ` Thomas Monjalon
2019-07-01 12:17     ` Aaron Conole
2019-06-15  6:42 ` [dpdk-dev] [PATCH v2 00/15] " David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 01/15] test/bonding: add missing sources for link bonding RSS David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 02/15] test/crypto: move tests to the driver specific list David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 03/15] test/eventdev: " David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 04/15] test/hash: fix off-by-one check on core count David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 05/15] test/hash: rectify slaveid to point to valid cores David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 06/15] test/hash: clean remaining trace of scaling autotest David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 07/15] test/latencystats: fix stack smashing David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 08/15] test/rcu: remove arbitrary limit on max core count David Marchand
2019-06-28 12:56     ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2019-06-28 13:32       ` David Marchand [this message]
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 09/15] test/stack: fix lock-free test name David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 10/15] test/eal: set memory channel config only in dedicated test David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 11/15] test/eal: set core mask/list " David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 12/15] test/eal: check number of cores before running subtests David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 13/15] test: split into shorter subtests for CI David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 14/15] test: do not start tests in parallel David Marchand
2019-06-15  6:42   ` [dpdk-dev] [PATCH v2 15/15] test: skip tests when missing requirements David Marchand
2019-06-17 10:00   ` [dpdk-dev] [PATCH v2 00/15] Unit tests fixes for CI Bruce Richardson
2019-06-17 10:46     ` David Marchand
2019-06-17 11:17       ` Bruce Richardson
2019-06-17 11:41         ` David Marchand
2019-06-17 11:56           ` Bruce Richardson
2019-06-17 13:44             ` David Marchand
2019-06-27 20:36   ` Thomas Monjalon
2019-07-01 16:04     ` Aaron Conole
2019-07-01 16:22       ` Thomas Monjalon
2019-07-01 16:45       ` David Marchand
2019-07-01 18:07         ` Michael Santana Francisco
2019-07-09 15:50           ` Michael Santana Francisco
2019-07-10  8:18             ` David Marchand

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