Em Tue, Jun 09, 2020 at 10:17:16PM -0700, Ian Rogers escreveu:
> These are broadly useful and necessary for Intel's top-down analysis.
Ditto.
- Arnaldo
> Signed-off-by: Ian Rogers
> ---
> tools/perf/util/expr.l | 2 ++
> tools/perf/util/expr.y | 5 -
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
> index 298d86660a96..13e5e3c75f56 100644
> --- a/tools/perf/util/expr.l
> +++ b/tools/perf/util/expr.l
> @@ -111,6 +111,8 @@ else { return ELSE; }
> "|" { return '|'; }
> "^" { return '^'; }
> "&" { return '&'; }
> +"<" { return '<'; }
> +">" { return '>'; }
> "-" { return '-'; }
> "+" { return '+'; }
> "*" { return '*'; }
> diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
> index fe145344bb39..5fcb98800f9c 100644
> --- a/tools/perf/util/expr.y
> +++ b/tools/perf/util/expr.y
> @@ -41,6 +41,7 @@ static double d_ratio(double val0, double val1)
> %left '|'
> %left '^'
> %left '&'
> +%left '<' '>'
> %left '-' '+'
> %left '*' '/' '%'
> %left NEG NOT
> @@ -73,7 +74,7 @@ other: ID
> |
> MIN | MAX | IF | ELSE | SMT_ON | NUMBER | '|' | '^' | '&' | '-' | '+' | '*'
> | '/' | '%' | '(' | ')' | ','
> |
> -D_RATIO
> +'<' | '>' | D_RATIO
>
> all_expr: if_expr{ *final_val = $1; }
> ;
> @@ -94,6 +95,8 @@ expr: NUMBER
> | expr '|' expr { $$ = (long)$1 | (long)$3; }
> | expr '&' expr { $$ = (long)$1 & (long)$3; }
> | expr '^' expr { $$ = (long)$1 ^ (long)$3; }
> + | expr '<' expr { $$ = $1 < $3; }
> + | expr '>' expr { $$ = $1 > $3; }
> | expr '+' expr { $$ = $1 + $3; }
> | expr '-' expr { $$ = $1 - $3; }
> | expr '*' expr { $$ = $1 * $3; }
> --
> 2.27.0.278.ge193c7cf3a9-goog
>
--
- Arnaldo
