numam-spdk/scripts/bpftrace.sh
Karol Latecki 348ff890ad scripts/bpftrace.sh: redirect output to file
Allow redirecting output to file. Using simple
"if" for an environment variable, as script arguments
number is variable and using getops seems like an
overkill.

Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Change-Id: I7e219bb1fd6377bc20c44b76cec3685b32e9316c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8643
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
2021-08-23 08:48:05 +00:00

20 lines
540 B
Bash
Executable File

#!/usr/bin/env bash
set -e
if [ $# -lt 2 ]; then
echo "usage: $0 <pid> <script>"
echo ""
echo "Environment variable BPF_OUTFILE can be set to save results to a file"
echo "rather than print to stdout."
exit 1
fi
SCRIPTS_DIR=$(readlink -f $(dirname $0))
BIN_PATH=$(readlink -f /proc/$1/exe)
BPF_SCRIPT=$($SCRIPTS_DIR/bpf/gen_enums.sh)
BPF_SCRIPT+=$(sed "s#__EXE__#${BIN_PATH}#g" "${@:2}" | sed "s#__PID__#${1}#g")
if [ -n "$ECHO_SCRIPT" ]; then
echo "$BPF_SCRIPT"
fi
bpftrace -p $1 -e "$BPF_SCRIPT" ${BPF_OUTFILE:+-o "$BPF_OUTFILE"}