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authorJiri Olsa <jolsa@kernel.org>2020-07-19 20:13:05 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-07-30 07:01:49 -0300
commit3fd29fa6c1644026ec7adbe017cacdf03724e6bc (patch)
treeddba1a4c30ceeb917417bf03c99b0e5f830b6b8a
parentperf metric: Change expr__get_id to return struct expr_id_data (diff)
downloadlinux-dev-3fd29fa6c1644026ec7adbe017cacdf03724e6bc.tar.xz
linux-dev-3fd29fa6c1644026ec7adbe017cacdf03724e6bc.zip
perf metric: Add expr__del_id function
Adding expr__del_id function to remove ID from hashmap. It will save us few lines in following changes. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Reviewed-by: Kajol Jain <kjain@linux.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200719181320.785305-5-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/expr.c21
-rw-r--r--tools/perf/util/expr.h1
2 files changed, 14 insertions, 8 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 4e5a6533dfce..f726211f49d4 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -79,6 +79,17 @@ int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
return hashmap__find(&ctx->ids, id, (void **)data) ? 0 : -1;
}
+void expr__del_id(struct expr_parse_ctx *ctx, const char *id)
+{
+ struct expr_id_data *old_val = NULL;
+ char *old_key = NULL;
+
+ hashmap__delete(&ctx->ids, id,
+ (const void **)&old_key, (void **)&old_val);
+ free(old_key);
+ free(old_val);
+}
+
void expr__ctx_init(struct expr_parse_ctx *ctx)
{
hashmap__init(&ctx->ids, key_hash, key_equal, NULL);
@@ -136,16 +147,10 @@ int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
int expr__find_other(const char *expr, const char *one,
struct expr_parse_ctx *ctx, int runtime)
{
- struct expr_id_data *old_val = NULL;
- char *old_key = NULL;
int ret = __expr__parse(NULL, ctx, expr, EXPR_OTHER, runtime);
- if (one) {
- hashmap__delete(&ctx->ids, one,
- (const void **)&old_key, (void **)&old_val);
- free(old_key);
- free(old_val);
- }
+ if (one)
+ expr__del_id(ctx, one);
return ret;
}
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
index f38292fdab19..2462abd0ac65 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);
+void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
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,