mirror of
https://github.com/vel21ripn/nDPI.git
synced 2026-05-18 14:49:02 +00:00
1189526f4b
In most scenarios, we are not interested in profiling the initialization/de-initialization phases
41 lines
992 B
Bash
Executable file
41 lines
992 B
Bash
Executable file
#!/bin/bash
|
|
|
|
cd "$(dirname "${0}")/../" || exit 1
|
|
|
|
PERF=perf
|
|
PCAP_FILE=$1
|
|
|
|
#https://stackoverflow.com/questions/74340680/perf-record-after-my-code-reaches-a-certain-point
|
|
#https://man7.org/linux/man-pages/man1/perf-record.1.html
|
|
|
|
ctl_dir=/tmp/
|
|
|
|
ctl_fifo=${ctl_dir}perf_ctl.fifo
|
|
test -p ${ctl_fifo} && unlink ${ctl_fifo}
|
|
mkfifo ${ctl_fifo}
|
|
exec {ctl_fd}<>${ctl_fifo}
|
|
|
|
ctl_ack_fifo=${ctl_dir}perf_ctl_ack.fifo
|
|
test -p ${ctl_ack_fifo} && unlink ${ctl_ack_fifo}
|
|
mkfifo ${ctl_ack_fifo}
|
|
exec {ctl_fd_ack}<>${ctl_ack_fifo}
|
|
|
|
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:./src/lib/
|
|
#--call-graph dwarf
|
|
PERF_CTL_FD=$ctl_fd PERF_CTL_ACK_FD=$ctl_fd_ack \
|
|
taskset -c 4 \
|
|
${PERF} record --delay=-1 --control fd:${ctl_fd},${ctl_fd_ack} --call-graph dwarf -- \
|
|
./example/ndpiReader -i ${PCAP_FILE} --conf=./example/perf.conf
|
|
|
|
exec {ctl_fd_ack}>&-
|
|
unlink ${ctl_ack_fifo}
|
|
|
|
exec {ctl_fd}>&-
|
|
unlink ${ctl_fifo}
|
|
|
|
#
|
|
# Report
|
|
#
|
|
|
|
#${PERF} report #-d libndpi.so.5.1.0,libc.so.6
|
|
${PERF} report --call-graph --stdio -G
|