app/testpmd: display Rx queue used descriptor count

[dpdk.git] / doc / guides / prog_guide / profile_app.rst

diff --git a/doc/guides/prog_guide/profile_app.rst b/doc/guides/prog_guide/profile_app.rst
index e5d0e90..52f85bb 100644 (file)
--- a/doc/guides/prog_guide/profile_app.rst
+++ b/doc/guides/prog_guide/profile_app.rst
@@ -36,9 +36,15 @@ for details about application profiling.
 Profiling with VTune
 ~~~~~~~~~~~~~~~~~~~~
 
 Profiling with VTune
 ~~~~~~~~~~~~~~~~~~~~
 

-To allow VTune attaching to the DPDK application, reconfigure and recompile
-the DPDK with ``CONFIG_RTE_ETHDEV_RXTX_CALLBACKS`` and
-``CONFIG_RTE_ETHDEV_PROFILE_WITH_VTUNE`` enabled.
+To allow VTune attaching to the DPDK application, reconfigure a DPDK build
+folder by passing ``-Dc_args=-DRTE_ETHDEV_PROFILE_WITH_VTUNE`` meson option
+and recompile the DPDK:
+
+.. code-block:: console
+
+   meson build
+   meson configure build -Dc_args=-DRTE_ETHDEV_PROFILE_WITH_VTUNE
+   ninja -C build

 
 
 Profiling on ARM64
 
 
 Profiling on ARM64


@@ -76,8 +82,7 @@ cycle counter for user space access by configuring the PMU from the privileged
 mode (kernel space).
 
 By default the ``rte_rdtsc()`` implementation uses a portable ``cntvct_el0``
 mode (kernel space).
 
 By default the ``rte_rdtsc()`` implementation uses a portable ``cntvct_el0``

-scheme.  Application can choose the PMU based implementation with
-``CONFIG_RTE_ARM_EAL_RDTSC_USE_PMU``.
+scheme.

 
 The example below shows the steps to configure the PMU based cycle counter on
 an ARMv8 machine.
 
 The example below shows the steps to configure the PMU based cycle counter on
 an ARMv8 machine.


@@ -88,10 +93,8 @@ an ARMv8 machine.
     cd armv8_pmu_cycle_counter_el0
     make
     sudo insmod pmu_el0_cycle_counter.ko
     cd armv8_pmu_cycle_counter_el0
     make
     sudo insmod pmu_el0_cycle_counter.ko

-    cd $DPDK_DIR
-    make config T=arm64-armv8a-linux-gcc
-    echo "CONFIG_RTE_ARM_EAL_RDTSC_USE_PMU=y" >> build/.config
-    make
+
+Please refer to :doc:`../linux_gsg/build_dpdk` for details on compiling DPDK with meson.

 
 .. warning::
 
 
 .. warning::