Commit 629135a7 authored by John Kariuki's avatar John Kariuki Committed by Tomasz Zawadzki
Browse files

doc/usdt: update build section 



After running into multiple issues with missing packages when building
bpftrace, I went to the bpftrace repo and used the install documentation
to successfully build and install bpftrace. This patch updates the
spdk documentation to point to the documentation in the bpftrace repo.

Change-Id: Iab5ef901d282a26d6a3c4f59cceb46b317ee658a
Signed-off-by: default avatarJohn Kariuki <John.K.Kariuki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14221


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarDong Yi <dongx.yi@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent 4f3e6e6c

doc/usdt.md

+1 −32
Original line number Diff line number Diff line 
# Userspace DTrace (USDT) {#usdt}



## Package Dependencies



These dependencies are needed for building bpftrace and

the sys/sdt.h header file that SPDK libraries will include

for DTRACE_PROBE macro definitions.



Fedora:

libbpf

gtest-devel

gmock-devel

bcc-devel

systemtap-sdt-devel

llvm-devel

bison

flex



Ubuntu:

systemtap-sdt-dev

libbpfcc-dev

libclang-7-dev

bison

flex



## Building bpftrace



We have found issues with the packaged bpftrace on both Ubuntu 20.04

and Fedora 33.  So bpftrace should be built and installed from source.



```bash

git clone https://github.com/iovisor/bpftrace.git

mkdir bpftrace/build

cd bpftrace/build

cmake -DCMAKE_BUILD_TYPE=Release ..

make

sudo make install

```

To build and install bpftrace go to [building bpftraces](https://github.com/iovisor/bpftrace/blob/master/INSTALL.md#building-bpftrace)



## bpftrace.sh