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Chapter 14 Statically Defined Tracing of Kernel Modules
https://docs.oracle.com/en/operating-systems/oracle-linux/dtrace-guide/dt_km_sdt.html
DTrace provides a facility for developers to define customized probes in kernel modules. These static probes appear as additional probes of the sdt provider and impose little to no overhead if the sdt module is not loaded. For example, for x86_64, the overhead is a single-byte NOP, followed by a 4-byte NOP.
Chapter 13 Statically Defined Tracing of User Applications
https://docs.oracle.com/en/operating-systems/oracle-linux/dtrace-guide/dt_sdt.html
13.2.5 Using Statically Defined Probes. The DTrace helper device ( /dev/dtrace/helper ) enables a user-space application that contains USDT probes to send probe provider information to DTrace. If the program that is to be traced is run by a user other than root, change the mode of the DTrace helper device to allow the user to record tracing ...
Statically Defined Tracing for User Applications
https://illumos.org/books/dtrace/chp-usdt.html
Statically Defined Tracing for User Applications DTrace provides a facility for user application developers to define customized probes in application code to augment the capabilities of the pid provider. These static probes impose little to no overhead when disabled and are dynamically enabled like all other DTrace probes.
User Statically-Defined Tracing (USDT) probes
https://docs.openvswitch.org/en/latest/topics/usdt-probes/
User Statically-Defined Tracing (USDT) probes ¶ Compiling with USDT probes enabled ¶. Since USDT probes are compiled out by default, a compile-time option is available... Listing available probes ¶. There are various ways to display USDT probes available in a userspace application. Here we... Using ...
c - Tracing static inline function - Stack Overflow
https://stackoverflow.com/questions/54049362/tracing-static-inline-function
As I learnt from this answer it was possible to put static inline function definition into a header file so function is not instantiated twice in case the file is included multiple times. So I was curious and tried to define the similar static inline function for tracing invokation and put it into a header file:
Static Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/static
static: [adjective] exerting force by reason of weight alone without motion.
Static Probe Points (Debugging with GDB) - sourceware.org
https://sourceware.org/gdb/onlinedocs/gdb/Static-Probe-Points.html
SDT stands for Statically Defined Tracing, and the probes are designed to have a tiny runtime code and data footprint, and no dynamic relocations. Currently, the following types of probes are supported on ELF-compatible systems: SystemTap ( http://sourceware.org/systemtap/ ) SDT probes 5. SystemTap probes are usable from assembly, C and C ++ languages 6.
SWE-052 - SW Engineering Handbook Ver C - Global Site
https://swehb.nasa.gov/display/SWEHBVC/SWE-052+-+Bidirectional+Traceability
Bidirectional traceability is defined as an “association among two or more logical entities that are discernible in either direction ... This requirement, SWE-052, is specific to tracing software requirements to higher-level requirements. Software requirements come from different sources and can also be derived if needed. Sources of ...
What is Static Testing? - SearchSoftwareQuality
https://www.techtarget.com/searchsoftwarequality/definition/static-testing
Instead of executing the code, static testing is a process of checking the code and designing documents and requirements before it's run in order to find errors. The main goal is to find flaws in the early stages of development. It is normally easier to find the sources of …
How to Configure Static Routing - SYSNETTECH Solutions
https://www.sysnettechsolutions.com/en/configure-static-routing-in-cisco-packet-tracer/
Step 1. Open the simulator program and configure the TCP/IP settings of the computers after creating the network topology as shown in the image below. Step 2. To configure the GigabitEthernet and Serial interfaces of the Cisco Router, open the CLI prompt and execute the following commands.
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