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Merge remote-tracking branch 'torvalds/master' into perf/core
[linux-2.6-microblaze.git]
/
tools
/
perf
/
tests
/
shell
/
stat_bpf_counters.sh
diff --git
a/tools/perf/tests/shell/stat_bpf_counters.sh
b/tools/perf/tests/shell/stat_bpf_counters.sh
index
2f9948b
..
2aed20d
100755
(executable)
--- a/
tools/perf/tests/shell/stat_bpf_counters.sh
+++ b/
tools/perf/tests/shell/stat_bpf_counters.sh
@@
-22,10
+22,24
@@
compare_number()
}
# skip if --bpf-counters is not supported
}
# skip if --bpf-counters is not supported
-perf stat --bpf-counters true > /dev/null 2>&1 || exit 2
+if ! perf stat --bpf-counters true > /dev/null 2>&1; then
+ if [ "$1" == "-v" ]; then
+ echo "Skipping: --bpf-counters not supported"
+ perf --no-pager stat --bpf-counters true || true
+ fi
+ exit 2
+fi
base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
+if [ "$base_cycles" == "<not" ]; then
+ echo "Skipping: cycles event not counted"
+ exit 2
+fi
bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
+if [ "$bpf_cycles" == "<not" ]; then
+ echo "Failed: cycles not counted with --bpf-counters"
+ exit 1
+fi
compare_number $base_cycles $bpf_cycles
exit 0
compare_number $base_cycles $bpf_cycles
exit 0