Commit 482698c2 authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Fix non-bash issue with stat bpf counters 



$(( .. )) is a bash feature but the test's interpreter is !/bin/sh,
switch the code to use expr.

Signed-off-by: default avatarIan Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: bpf@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210617184216.2075588-1-irogers@google.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent c087e948

tools/perf/tests/shell/stat_bpf_counters.sh

+2 −2
Original line number Diff line number Diff line
@@ -11,9 +11,9 @@ compare_number() 
       second_num=$2



       # upper bound is first_num * 110%

       upper=$(( $first_num + $first_num / 10 ))

       upper=$(expr $first_num + $first_num / 10 )

       # lower bound is first_num * 90%

       lower=$(( $first_num - $first_num / 10 ))

       lower=$(expr $first_num - $first_num / 10 )



       if [ $second_num -gt $upper ] || [ $second_num -lt $lower ]; then

               echo "The difference between $first_num and $second_num are greater than 10%."