Messages in this thread | | | Date | Wed, 10 Jun 2020 11:21:36 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 2/2] perf expr: Add < and > operators |
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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 <irogers@google.com> > --- > 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
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