X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fguides%2Ftools%2Fproc_info.rst;h=0390b9c58945e77176517e077ea00a282e8aa9e4;hb=9d28d6b0b0bf4e7d9386c2ab56893d5cc95e78e5;hp=b35b02ff239102b865a025ad183e4cd7d977c172;hpb=5630257fcc30397e7217139ec55da4f301f59fb7;p=dpdk.git diff --git a/doc/guides/tools/proc_info.rst b/doc/guides/tools/proc_info.rst index b35b02ff23..0390b9c589 100644 --- a/doc/guides/tools/proc_info.rst +++ b/doc/guides/tools/proc_info.rst @@ -6,21 +6,11 @@ dpdk-procinfo Application The dpdk-procinfo application is a Data Plane Development Kit (DPDK) application that runs as a DPDK secondary process and is capable of retrieving port -statistics, resetting port statistics and printing DPDK memory information. +statistics, resetting port statistics, printing DPDK memory information and +displaying debug information for port. This application extends the original functionality that was supported by dump_cfg. -.. note:: - - dpdk-procinfo should run alongside primary process with same DPDK version. - -.. note:: - - When running `dpdk-procinfo`` with shared library mode, it is required to - pass the same NIC PMD libraries as used for the primary application. Any - mismatch in PMD library arguments can lead to undefined behaviour and results - affecting primary application too. - Running the Application ----------------------- The application has a number of command line options: @@ -28,7 +18,8 @@ The application has a number of command line options: .. code-block:: console ./$(RTE_TARGET)/app/dpdk-procinfo -- -m | [-p PORTMASK] [--stats | --xstats | - --stats-reset | --xstats-reset] + --stats-reset | --xstats-reset] [ --show-port | --show-tm | --show-crypto | + --show-ring[=name] | --show-mempool[=name] | --iter-mempool=name ] Parameters ~~~~~~~~~~ @@ -52,6 +43,43 @@ If no port mask is specified xstats are reset for all DPDK ports. **-m**: Print DPDK memory information. -.. note:: +**--show-port** +The show-port parameter displays port level various configuration information +associated to RX port queue pair. + +**--show-tm** +The show-tm parameter displays per port traffic manager settings, current +configurations and statistics. + +**--show-crypto** +The show-crypto parameter displays available cryptodev configurations, +settings and stats per node. + +**--show-ring[=name]** +The show-ring parameter display current allocation of all ring with +debug information. Specifying the name allows to display details for specific +ring. For invalid or no ring name, whole list is dump. + +**--show-mempool[=name]** +The show-mempool parameter display current allocation of all mempool +debug information. Specifying the name allows to display details for specific +mempool. For invalid or no mempool name, whole list is dump. + +**--iter-mempool=name** +The iter-mempool parameter iterates and displays mempool elements specified +by name. For invalid or no mempool name no elements are displayed. + +Limitations +----------- + +* dpdk-procinfo should run alongside primary process with same DPDK version. + +* When running ``dpdk-procinfo`` with shared library mode, it is required to + pass the same NIC PMD libraries as used for the primary application. Any + mismatch in PMD library arguments can lead to undefined behavior and results + affecting primary application too. + +* Stats retrieval using ``dpdk-procinfo`` is not supported for virtual devices like PCAP and TAP. - Stats retrieval using ``dpdk-procinfo`` is not supported for virtual devices like PCAP and TAP. +* Since default DPDK EAL arguments for ``dpdk-procinfo`` are ``-c1, -n4 & --proc-type=secondary``, + It is not expected that the user passes any EAL arguments.