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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.h
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.h')
-rw-r--r--tools/perf/util/expr.h1
1 files changed, 1 insertions, 0 deletions
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,