log: do not drop debug logs at compile time

[dpdk.git] / doc / guides / faq / faq.rst

diff --git a/doc/guides/faq/faq.rst b/doc/guides/faq/faq.rst
index 368374f..0adc549 100644 (file)
--- a/doc/guides/faq/faq.rst
+++ b/doc/guides/faq/faq.rst
@@ -50,7 +50,7 @@ When you stop and restart the test application, it looks to see if the pages are
 If you look in the directory, you will see ``n`` number of 2M pages files. If you specified 1024, you will see 1024 page files.
 These are then placed in memory segments to get contiguous memory.
 
-If you need to change the number of pages, it is easier to first remove the pages. The tools/setup.sh script provides an option to do this.
+If you need to change the number of pages, it is easier to first remove the pages. The tools/dpdk-setup.sh script provides an option to do this.
 See the "Quick Start Setup Script" section in the :ref:`DPDK Getting Started Guide <linux_gsg>` for more information.
 
 
@@ -88,9 +88,7 @@ the wrong socket, the application simply will not start.
 On application startup, there is a lot of EAL information printed. Is there any way to reduce this?
 ---------------------------------------------------------------------------------------------------
 
-Yes, each EAL has a configuration file that is located in the /config directory. Within each configuration file, you will find CONFIG_RTE_LOG_LEVEL=8.
-You can change this to a lower value, such as 6 to reduce this printout of debug information. The following is a list of LOG levels that can be found in the rte_log.h file.
-You must remove, then rebuild, the EAL directory for the change to become effective as the configuration file creates the rte_config.h file in the EAL directory.
+Yes, the option ``--log-level=`` accepts one of these numbers:
 
 .. code-block:: c
 
@@ -103,6 +101,9 @@ You must remove, then rebuild, the EAL directory for the change to become effect
     #define RTE_LOG_INFO 7U     /* Informational. */
     #define RTE_LOG_DEBUG 8U    /* Debug-level messages. */
 
+It is also possible to change the default level at compile time
+with ``CONFIG_RTE_LOG_LEVEL``.
+
 
 How can I tune my network application to achieve lower latency?
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