linux-kernel - [PATCH v9 03/15] tools/libperf: don't count nonfilterable fds by fdarray_

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Message-ID: <f3ef026f-a7c9-fec6-a58a-1231e38cfe14@linux.intel.com>
Date:   Fri, 3 Jul 2020 10:42:25 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>
Cc:     Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH v9 03/15] tools/libperf: don't count nonfilterable fds by
 fdarray__filter()


Avoid counting of struct pollfd *entries objects with
fdarray_prop__nonfilterable propery by fdarray__filter().
Non-filterable objects are still processed if monitored
events have been signaled for them.

Signed-off-by: Alexey Budankov <alexey.budankov@...ux.intel.com>
---
 tools/lib/api/fd/array.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/lib/api/fd/array.c b/tools/lib/api/fd/array.c
index a4223f8cb1ce..e902c0260414 100644
--- a/tools/lib/api/fd/array.c
+++ b/tools/lib/api/fd/array.c
@@ -105,7 +105,8 @@ int fdarray__filter(struct fdarray *fda, short revents,
 			continue;
 		}
 
-		++nr;
+		if (!(fda->prop[fd].bits & fdarray_prop__nonfilterable))
+			++nr;
 	}
 
 	return nr;
-- 
2.24.1