From: Dharmik Thakkar <Dharmik.Thakkar@arm.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
Ruifeng Wang <Ruifeng.Wang@arm.com>, Gavin Hu <Gavin.Hu@arm.com>,
dev <dev@dpdk.org>, nd <nd@arm.com>,
dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/4] test/lpm: fix cycle calculation in rcu qsbr perf
Date: Mon, 2 Nov 2020 16:58:43 +0000 [thread overview]
Message-ID: <6F792248-5555-4831-AFA3-9D839770B37D@arm.com> (raw)
In-Reply-To: <20201102151157.GD1454@bricha3-MOBL.ger.corp.intel.com>
> On Nov 2, 2020, at 9:11 AM, Bruce Richardson <bruce.richardson@intel.com> wrote:
>
> On Thu, Oct 29, 2020 at 10:36:31AM -0500, Dharmik Thakkar wrote:
>> Fix incorrect calculations for LPM adds, LPM deletes,
>> and average cycles in RCU QSBR perf tests
>>
>
> To help review this patch, could you provide some more details in the
> commit log as to what exactly was wrong with the calculation and how this
> patch fixes things?
>
I will update the commit message in the next version. Adding it here as well:
Since, rcu qsbr tests run for ‘RCU_ITERATIONS’ and not ‘ITERATIONS’,
replace ‘ITERATIONS’ with ‘RCU_ITERATIONS’ for calculating adds, deletes, and cycles.
Also, for multi-writer perf test, each writer only writes half of NUM_LDEPTH_ROUTE_ENTRIES.
For 2 writers, total adds (or deletes) should be (RCU_ITERATIONS * NUM_LDEPTH_ROUTE_ENTRIES) instead of
(2 * RCU_ITERATIONS * NUM_LDEPTH_ROUTE_ENTRIES).
Since, for both the single and multi writer tests, total adds/deletes is equal to (RCU_ITERATIONS * NUM_LDEPTH_ROUTE_ENTRIES),
this has been replaced with a macro ’TOTAL_WRITES’ and furthermore, ‘g_writes’ has been removed since it is always a fixed value
equal to TOTAL_WRITES.
>> Fixes: eff30b59cc2e ("test/lpm: add RCU performance tests")
>> Cc: honnappa.nagarahalli@arm.com
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Dharmik Thakkar <dharmik.thakkar@arm.com>
>> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
next prev parent reply other threads:[~2020-11-02 16:59 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 15:36 Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-dev] [PATCH 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-02 17:17 ` Medvedkin, Vladimir
2020-11-02 22:11 ` Dharmik Thakkar
2020-11-02 10:08 ` [dpdk-dev] [PATCH 1/4] test/lpm: fix cycle calculation " David Marchand
2020-11-02 15:11 ` Bruce Richardson
2020-11-02 16:58 ` Dharmik Thakkar [this message]
2020-11-02 17:21 ` Medvedkin, Vladimir
2020-11-02 17:33 ` Bruce Richardson
2020-11-02 23:51 ` [dpdk-dev] [PATCH v2 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-02 23:52 ` [dpdk-dev] [PATCH v2 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03 1:30 ` Honnappa Nagarahalli
2020-11-02 23:52 ` [dpdk-dev] [PATCH v2 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03 1:28 ` Honnappa Nagarahalli
2020-11-03 4:42 ` Dharmik Thakkar
2020-11-02 23:52 ` [dpdk-dev] [PATCH v2 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03 1:21 ` Honnappa Nagarahalli
2020-11-03 4:56 ` Dharmik Thakkar
2020-11-02 23:52 ` [dpdk-dev] [PATCH v2 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03 4:21 ` Honnappa Nagarahalli
2020-11-03 4:33 ` Dharmik Thakkar
2020-11-03 5:32 ` Honnappa Nagarahalli
2020-11-03 14:03 ` Dharmik Thakkar
2020-11-03 14:51 ` Honnappa Nagarahalli
2020-11-03 18:01 ` Medvedkin, Vladimir
2020-11-03 5:12 ` [dpdk-dev] [PATCH v3 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-03 5:12 ` [dpdk-dev] [PATCH v3 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03 5:12 ` [dpdk-dev] [PATCH v3 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03 5:21 ` Honnappa Nagarahalli
2020-11-03 5:12 ` [dpdk-dev] [PATCH v3 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03 5:22 ` Honnappa Nagarahalli
2020-11-03 5:12 ` [dpdk-dev] [PATCH v3 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03 22:23 ` [dpdk-dev] [PATCH v4 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-03 22:23 ` [dpdk-dev] [PATCH v4 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-03 22:23 ` [dpdk-dev] [PATCH v4 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03 22:23 ` [dpdk-dev] [PATCH v4 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03 22:23 ` [dpdk-dev] [PATCH v4 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-03 22:35 ` Honnappa Nagarahalli
2020-11-04 15:46 ` Medvedkin, Vladimir
2020-11-04 16:49 ` Dharmik Thakkar
2020-11-04 18:58 ` [dpdk-dev] [PATCH v5 0/4] test/lpm: fix rcu qsbr perf test Dharmik Thakkar
2020-11-04 18:58 ` [dpdk-dev] [PATCH v5 1/4] test/lpm: fix cycle calculation in rcu qsbr perf Dharmik Thakkar
2020-11-04 19:34 ` Medvedkin, Vladimir
2020-11-04 18:58 ` [dpdk-dev] [PATCH v5 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-04 19:35 ` Medvedkin, Vladimir
2020-11-04 18:58 ` [dpdk-dev] [PATCH v5 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-04 19:35 ` Medvedkin, Vladimir
2020-11-04 18:58 ` [dpdk-dev] [PATCH v5 4/4] test/lpm: avoid code duplication " Dharmik Thakkar
2020-11-04 19:35 ` Medvedkin, Vladimir
2020-11-05 15:58 ` [dpdk-dev] [PATCH v5 0/4] test/lpm: fix rcu qsbr perf test David Marchand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6F792248-5555-4831-AFA3-9D839770B37D@arm.com \
--to=dharmik.thakkar@arm.com \
--cc=Gavin.Hu@arm.com \
--cc=Honnappa.Nagarahalli@arm.com \
--cc=Ruifeng.Wang@arm.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=nd@arm.com \
--cc=stable@dpdk.org \
--cc=vladimir.medvedkin@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).