tests/shell/record.sh

3 # SPDX-License-Identifier: GPL-2.0
5 set -e
20 testprog="perf test -w thloop"
26 default_fd_limit=$(ulimit -Sn)
27 # With option --threads=cpu the number of open file descriptors should be
36   rm -rf "${perfdata}"
37   rm -rf "${perfdata}".old
39   trap - EXIT TERM INT
49   echo "Basic --per-thread mode test"
50   if ! perf record -o /dev/null --quiet ${testprog} 2> /dev/null
52     echo "Per-thread record [Skipped event not supported]"
55   if ! perf record --per-thread -o "${perfdata}" ${testprog} 2> /dev/null
57     echo "Per-thread record [Failed record]"
61   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
63     echo "Per-thread record [Failed missing output]"
72   rm -f "${perfdata}"
75   perf record -p "${TESTPID}" --per-thread -o "${perfdata}" sleep 1 2> /dev/null
78   if [ ! -e "${perfdata}" ]
80     echo "Per-thread record [Failed record -p]"
84   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
86     echo "Per-thread record [Failed -p missing output]"
91   echo "Basic --per-thread mode test [Success]"
96   if ! perf list | grep -q 'br_inst_retired.near_call'
101 …if ! perf record --intr-regs=\? 2>&1 | grep -q 'available registers: AX BX CX DX SI DI BP SP IP FL…
106   if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call \
107     -c 1000 --per-thread ${testprog} 2> /dev/null \
108     | perf script -F ip,sym,iregs -i - 2> /dev/null \
109     | grep -q "DI:"
119   echo "Basic --system-wide mode test"
120   if ! perf record -aB --synth=no -o "${perfdata}" ${testprog} 2> /dev/null
122     echo "System-wide record [Skipped not supported]"
125   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
127     echo "System-wide record [Failed missing output]"
131   if ! perf record -aB --synth=no -e cpu-clock,cs --threads=cpu \
132     -o "${perfdata}" ${testprog} 2> /dev/null
134     echo "System-wide record [Failed record --threads option]"
138   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
140     echo "System-wide record [Failed --threads missing output]"
144   echo "Basic --system-wide mode test [Success]"
149   if ! perf record -o "${perfdata}" ${testprog} 2> /dev/null
155   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
161   if ! perf record -e cpu-clock,cs --threads=package \
162     -o "${perfdata}" ${testprog} 2> /dev/null
164     echo "Workload record [Failed record --threads option]"
168   if ! perf report -i "${perfdata}" -q | grep -q "${testsym}"
170     echo "Workload record [Failed --threads missing output]"
182     if [ ! -e "$dir$br_cntr_file" ]
188 …if ! perf record -o "${perfdata}" -e "{branches:p,instructions}" -j any,counter ${testprog} 2> /de…
194   if ! perf report -i "${perfdata}" -D -q | grep -q "$br_cntr_output"
200   if ! perf script -i "${perfdata}" -F +brstackinsn,+brcntr | grep -q "$br_cntr_script_output"
211   if ! perf record -aB --synth=cgroup --all-cgroups -o "${perfdata}" ${testprog} 2> /dev/null
216   if ! perf report -i "${perfdata}" -D | grep -q "CGROUP"
222   if ! perf script -i "${perfdata}" -F cgroup | grep -q -v "unknown"
232 if [[ $default_fd_limit -lt $min_fd_limit ]]; then
233        ulimit -Sn $min_fd_limit
244 ulimit -Sn $default_fd_limit