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-rw-r--r--tools/perf/util/expr.l10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
index dbb117414710..a2fc43159ee9 100644
--- a/tools/perf/util/expr.l
+++ b/tools/perf/util/expr.l
@@ -94,6 +94,14 @@ static int literal(yyscan_t scanner, const struct expr_scanner_ctx *sctx)
}
return LITERAL;
}
+
+static int nan_value(yyscan_t scanner)
+{
+ YYSTYPE *yylval = expr_get_lval(scanner);
+
+ yylval->num = NAN;
+ return NUMBER;
+}
%}
number ([0-9]+\.?[0-9]*|[0-9]*\.?[0-9]+)(e-?[0-9]+)?
@@ -114,6 +122,8 @@ if { return IF; }
else { return ELSE; }
source_count { return SOURCE_COUNT; }
has_event { return HAS_EVENT; }
+strcmp_cpuid_str { return STRCMP_CPUID_STR; }
+NaN { return nan_value(yyscanner); }
{literal} { return literal(yyscanner, sctx); }
{number} { return value(yyscanner); }
{symbol} { return str(yyscanner, ID, sctx->runtime); }