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From:   Riccardo Mancini <rickyman7@gmail.com>
To:     Arnaldo Carvalho de Melo <acme@kernel.org>
Cc:     Ian Rogers <irogers@google.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Jiri Olsa <jolsa@redhat.com>, linux-kernel@vger.kernel.org,
        linux-perf-users@vger.kernel.org,
        Riccardo Mancini <rickyman7@gmail.com>
Subject: [RFC PATCH v1 27/37] perf evlist: add evlist__for_each_entry_from macro
Date:   Sat, 21 Aug 2021 11:19:33 +0200
Message-Id: <2386505f8b598adf0dbcd04ec21804c6bcf00826.1629490974.git.rickyman7@gmail.com>
In-Reply-To: <cover.1629490974.git.rickyman7@gmail.com>
References: <cover.1629490974.git.rickyman7@gmail.com>
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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@gmail.com>
---
 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