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Feifei Wang dda66e716c test/trace: fix race on collected perf data 
The measure_perf function should be executed after worker threads exit
to collect correct perf data. Otherwise, while workers are running, the
main thread may get incomplete data from workers.

In the meanwhile, remove unnecessary barrier in the test.
For signal variables "ldata.done" and "ldata.start", no operations
should keep the order that being executed after them. So the wmb after
them can be moved.

Fixes: 16a277a24c ("test/trace: add performance test cases")
Cc: stable@dpdk.org

Suggested-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Acked-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
2021-04-14 16:12:44 +02:00
.ci build: alias default build as generic 2021-04-09 19:11:26 +02:00
.github/workflows ci: catch coredumps 2021-03-03 10:05:23 +01:00
app test/trace: fix race on collected perf data 2021-04-14 16:12:44 +02:00
buildtools build: remove Windows export symbol list 2021-04-08 17:57:33 +02:00
config event/dlb: remove driver 2021-04-12 09:21:30 +02:00
devtools devtools: skip removed DLB driver in ABI check 2021-04-13 11:25:56 +02:00
doc doc: announce event Rx adapter config changes 2021-04-12 09:23:34 +02:00
drivers event/octeontx2: fix device reconfigure for single slot 2021-04-12 09:23:34 +02:00
examples examples/vhost_crypto: remove unused short option 2021-03-31 10:02:18 +02:00
kernel build: support KNI cross-compilation 2021-03-15 23:43:40 +01:00
lib eventdev: fix build on RHEL 7 2021-04-14 10:02:05 +02:00
license license: fix typos 2021-04-13 13:56:52 +02:00
usertools usertools: show hugepages requested/set on failure 2021-03-25 18:07:47 +01:00
.editorconfig devtools: add EditorConfig file 2020-02-22 21:05:22 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore regex/mlx5: introduce driver for BlueField 2 2020-07-21 19:04:05 +02:00
.travis.yml ci: update arm64 Travis jobs to Graviton2 2021-03-02 13:43:38 +01:00
ABI_VERSION version: 21.05-rc0 2021-02-15 11:08:19 +01:00
MAINTAINERS event/dlb: remove driver 2021-04-12 09:21:30 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt build: alias default build as generic 2021-04-09 19:11:26 +02:00
meson.build build: enable a developer mode setting 2021-04-09 19:07:25 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 21.05-rc0 2021-02-15 11:08:19 +01:00

README 

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org