linux-kernel - [PATCH 1/4] random/trace: remove unused trace_random

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Message-Id: <e2dfe40c522770566c0ec6013e4680a973219d63.1590068270.git.ydroneaud@opteya.com>
Date:   Thu, 21 May 2020 15:46:25 +0200
From:   Yann Droneaud <ydroneaud@...eya.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, Theodore Ts'o <tytso@....edu>
Cc:     Andy Lutomirski <luto@...nel.org>, linux-kernel@...r.kernel.org,
        Yann Droneaud <ydroneaud@...eya.com>
Subject: [PATCH 1/4] random/trace: remove unused trace_random_read()

Since commit 30c08efec888 ('random: make /dev/random be almost like /dev/urandom'),
trace_random_read() is unused.

Cc: Andy Lutomirski <luto@...nel.org>
Cc: Theodore Ts'o <tytso@....edu>
Signed-off-by: Yann Droneaud <ydroneaud@...eya.com>
---
 include/trace/events/random.h | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/include/trace/events/random.h b/include/trace/events/random.h
index 32c10a515e2d..087ae7e8ae13 100644
--- a/include/trace/events/random.h
+++ b/include/trace/events/random.h
@@ -260,31 +260,6 @@ DEFINE_EVENT(random__extract_entropy, extract_entropy_user,
 	TP_ARGS(pool_name, nbytes, entropy_count, IP)
 );
 
-TRACE_EVENT(random_read,
-	TP_PROTO(int got_bits, int need_bits, int pool_left, int input_left),
-
-	TP_ARGS(got_bits, need_bits, pool_left, input_left),
-
-	TP_STRUCT__entry(
-		__field(	  int,	got_bits		)
-		__field(	  int,	need_bits		)
-		__field(	  int,	pool_left		)
-		__field(	  int,	input_left		)
-	),
-
-	TP_fast_assign(
-		__entry->got_bits	= got_bits;
-		__entry->need_bits	= need_bits;
-		__entry->pool_left	= pool_left;
-		__entry->input_left	= input_left;
-	),
-
-	TP_printk("got_bits %d still_needed_bits %d "
-		  "blocking_pool_entropy_left %d input_entropy_left %d",
-		  __entry->got_bits, __entry->got_bits, __entry->pool_left,
-		  __entry->input_left)
-);
-
 TRACE_EVENT(urandom_read,
 	TP_PROTO(int got_bits, int pool_left, int input_left),
 
-- 
2.25.4