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-rw-r--r--tools/perf/tests/expr.c2
-rw-r--r--tools/perf/util/expr.l2
2 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index d54c5371c6a6..5c0032fe93ae 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -97,6 +97,8 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
ret |= test(ctx, "2.2 > 2.2", 0);
ret |= test(ctx, "2.2 < 1.1", 0);
ret |= test(ctx, "1.1 > 2.2", 0);
+ ret |= test(ctx, "1.1e10 < 1.1e100", 1);
+ ret |= test(ctx, "1.1e2 > 1.1e-2", 1);
if (ret) {
expr__ctx_free(ctx);
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
index 0a13eb20c814..4dc8edbfd9ce 100644
--- a/tools/perf/util/expr.l
+++ b/tools/perf/util/expr.l
@@ -91,7 +91,7 @@ static int literal(yyscan_t scanner)
}
%}
-number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)
+number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)(e-?[0-9]+)?
sch [-,=]
spec \\{sch}