[RFC PATCH v1 27/37] perf evlist: add evlist__for_each_entry_from macro

From: Riccardo Mancini
Date: Sat Aug 21 2021 - 05:22:15 EST


This patch adds a new iteration macro for evlist that resumes iteration
from a given evsel in the evlist.

This macro will be used in the next patch

Signed-off-by: Riccardo Mancini <rickyman7@xxxxxxxxx>
---
tools/perf/util/evlist.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 5f24a45d4e3cf30a..b0c2da0f9755b2d1 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -275,6 +275,22 @@ void evlist__to_front(struct evlist *evlist, struct evsel *move_evsel);
#define evlist__for_each_entry_continue(evlist, evsel) \
__evlist__for_each_entry_continue(&(evlist)->core.entries, evsel)

+/**
+ * __evlist__for_each_entry_from - continue iteration from @evsel (included)
+ * @list: list_head instance to iterate
+ * @evsel: struct evsel iterator
+ */
+#define __evlist__for_each_entry_from(list, evsel) \
+ list_for_each_entry_from(evsel, list, core.node)
+
+/**
+ * evlist__for_each_entry_from - continue iteration from @evsel (included)
+ * @evlist: evlist instance to iterate
+ * @evsel: struct evsel iterator
+ */
+#define evlist__for_each_entry_from(evlist, evsel) \
+ __evlist__for_each_entry_from(&(evlist)->core.entries, evsel)
+
/**
* __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
* @list: list_head instance to iterate
--
2.31.1