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perf expr: Remove unused headers and inline d_ratio

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No functional change. Inlining d_ratio makes it easier to special case
for constants in a later patch.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: John Garry <john.garry@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandeep Dasgupta <sdasgup@google.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20210923074616.674826-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-09-23 00:46:06 -07:00 committed by Arnaldo Carvalho de Melo
parent edfe7f554a
commit 7f8fdcbbbe
1 changed files with 7 additions and 15 deletions
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22
tools/perf/util/expr.y
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@ -2,23 +2,10 @@
%{
#define YYDEBUG 1
#include <math.h>
#include <stdio.h>
#include "util.h"
#include "util/debug.h"
#include <stdlib.h> // strtod()
#include "smt.h"
#define IN_EXPR_Y 1
#include "expr.h"
#include "smt.h"
#include <string.h>
static double d_ratio(double val0, double val1)
{
if (val1 == 0) {
return 0;
}
return val0 / val1;
}
%}
%define api.pure full
@ -120,7 +107,12 @@ expr: NUMBER
| MIN '(' expr ',' expr ')' { $$ = $3 < $5 ? $3 : $5; }
| MAX '(' expr ',' expr ')' { $$ = $3 > $5 ? $3 : $5; }
| SMT_ON { $$ = smt_on() > 0; }
| D_RATIO '(' expr ',' expr ')' { $$ = d_ratio($3,$5); }
| D_RATIO '(' expr ',' expr ')' { if ($5 == 0) {
$$ = 0;
} else {
$$ = $3 / $5;
}
}
;
%%