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authorJiri Olsa <jolsa@kernel.org>2020-07-19 20:13:03 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-07-30 07:01:49 -0300
commit332603c2aa1a3be92720343269e670f8118a8831 (patch)
treed20ce63fd837f96c0b0df1e397815f2e02c71428 /tools/perf/util/expr.c
parent60e10c0037d0159f886c8592b761ee31ab3b7e21 (diff)
perf metric: Add expr__add_id function
Add the expr__add_id() function to data for ID with zero value, which is used when scanning the expression for IDs. 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/20200719181320.785305-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/expr.c')
-rw-r--r--tools/perf/util/expr.c31
1 files changed, 25 insertions, 6 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
@@ -33,18 +33,37 @@ static bool key_equal(const void *key1, const void *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)
{
struct expr_id_data *data_ptr = NULL, *old_data = NULL;
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)