Re: [PATCH 02/19] perf metric: Add expr__add_id function

Arnaldo Carvalho de Melo
2020-07-28T12:27:45Z

Em Sun, Jul 26, 2020 at 02:46:47PM +0530, kajoljain escreveu:
>
>
> On 7/19/20 11:43 PM, Jiri Olsa wrote:
> > Adding expr__add_id function to data for ID
> > with zero value, which is used when scanning
> > the expression for IDs.
> >
>
> Reviewed-By : Kajol Jain<kjain@linux.ibm.com>

Thanks, applied.

- Arnaldo

> Thanks,
> Kajol Jain
>
> > Acked-by: Ian Rogers <irogers@google.com>
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > ---
> > tools/perf/util/expr.c | 31 +++++++++++++++++++++++++------
> > tools/perf/util/expr.h | 1 +
> > tools/perf/util/expr.y | 2 +-
> > 3 files changed, 27 insertions(+), 7 deletions(-)
> >
> > diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
> > index 578a173d4873..9228f60e2a20 100644
> > --- a/tools/perf/util/expr.c
> > +++ b/tools/perf/util/expr.c
> > @@ -32,6 +32,26 @@ static bool key_equal(const void *key1, const void *key2,
> > return !strcmp((const char *)key1, (const char *)key2);
> > }
> >
> > +/* Caller must make sure id is allocated */
> > +int expr__add_id(struct expr_parse_ctx *ctx, const char *id)
> > +{
> > + struct expr_id_data *data_ptr = NULL, *old_data = NULL;
> > + char *old_key = NULL;
> > + int ret;
> > +
> > + data_ptr = malloc(sizeof(*data_ptr));
> > + if (!data_ptr)
> > + return -ENOMEM;
> > +
> > + ret = hashmap__set(&ctx->ids, id, data_ptr,
> > + (const void **)&old_key, (void **)&old_data);
> > + if (ret)
> > + free(data_ptr);
> > + free(old_key);
> > + free(old_data);
> > + return ret;
> > +}
> > +
> > /* Caller must make sure id is allocated */
> > int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val)
> > {
> > @@ -39,12 +59,11 @@ int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val)
> > char *old_key = NULL;
> > int ret;
> >
> > - if (val != 0.0) {
> > - data_ptr = malloc(sizeof(*data_ptr));
> > - if (!data_ptr)
> > - return -ENOMEM;
> > - data_ptr->val = val;
> > - }
> > + data_ptr = malloc(sizeof(*data_ptr));
> > + if (!data_ptr)
> > + return -ENOMEM;
> > + data_ptr->val = val;
> > +
> > ret = hashmap__set(&ctx->ids, id, data_ptr,
> > (const void **)&old_key, (void **)&old_data);
> > if (ret)
> > diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
> > index 21fe5bd85718..ac32cda42006 100644
> > --- a/tools/perf/util/expr.h
> > +++ b/tools/perf/util/expr.h
> > @@ -26,6 +26,7 @@ struct expr_scanner_ctx {
> >
> > void expr__ctx_init(struct expr_parse_ctx *ctx);
> > void expr__ctx_clear(struct expr_parse_ctx *ctx);
> > +int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
> > int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
> > int expr__get_id(struct expr_parse_ctx *ctx, const char *id, double *val_ptr);
> > int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
> > diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
> > index b2b3420ea6ec..8befe4a46f87 100644
> > --- a/tools/perf/util/expr.y
> > +++ b/tools/perf/util/expr.y
> > @@ -69,7 +69,7 @@ all_other: all_other other
> >
> > other: ID
> > {
> > - expr__add_id_val(ctx, $1, 0.0);
> > + expr__add_id(ctx, $1);
> > }
> > |
> > MIN | MAX | IF | ELSE | SMT_ON | NUMBER | '|' | '^' | '&' | '-' | '+' | '*' | '/' | '%' | '(' | ')' | ','
> >

--

- Arnaldo