diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2020-07-19 21:13:03 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-07-30 13:01:49 +0300 |
| commit | 332603c2aa1a3be92720343269e670f8118a8831 (patch) | |
| tree | d20ce63fd837f96c0b0df1e397815f2e02c71428 /tools/perf/util/expr.c | |
| parent | 60e10c0037d0159f886c8592b761ee31ab3b7e21 (diff) | |
| download | linux-332603c2aa1a3be92720343269e670f8118a8831.tar.xz | |
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.c | 31 |
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) |