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[51.81.243.185]) by smtp.gmail.com with ESMTPSA id v18-20020a634812000000b0043b565cb57csm7893851pga.73.2022.10.18.05.02.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Oct 2022 05:02:52 -0700 (PDT) From: sunliming To: rostedt@goodmis.org, mingo@kernel.org Cc: linux-kernel@vger.kernel.org, kelulanainsley@gmail.com, sunliming Subject: [PATCH 5/5] ring-buffer: Delete interface for setting absolute time stamps Date: Tue, 18 Oct 2022 20:00:56 +0800 Message-Id: <20221018120056.1321426-6-sunliming@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221018120056.1321426-1-sunliming@kylinos.cn> References: <20221018120056.1321426-1-sunliming@kylinos.cn> MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747026954457751041?= X-GMAIL-MSGID: =?utf-8?q?1747026954457751041?= Commit efe6196a6bc5 ("ring-buffer: Allow ring_buffer_event_time_stamp() to return time stamp of all events") make ring_buffer_event_time_stamp() have the ability to return time stamp of all events. And there is no user about this interface. So remove it. Signed-off-by: sunliming --- include/linux/ring_buffer.h | 2 -- kernel/trace/ring_buffer.c | 11 ----------- 2 files changed, 13 deletions(-) diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 2504df9a0453..b7bcf2ee0945 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -186,8 +186,6 @@ void ring_buffer_normalize_time_stamp(struct trace_buffer *buffer, int cpu, u64 *ts); void ring_buffer_set_clock(struct trace_buffer *buffer, u64 (*clock)(void)); -void ring_buffer_set_time_stamp_abs(struct trace_buffer *buffer, bool abs); -bool ring_buffer_time_stamp_abs(struct trace_buffer *buffer); size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu); size_t ring_buffer_nr_dirty_pages(struct trace_buffer *buffer, int cpu); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index cb261456216f..68947652e46d 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -551,7 +551,6 @@ struct trace_buffer { u64 (*clock)(void); struct rb_irq_work irq_work; - bool time_stamp_abs; }; struct ring_buffer_iter { @@ -1876,16 +1875,6 @@ void ring_buffer_set_clock(struct trace_buffer *buffer, buffer->clock = clock; } -void ring_buffer_set_time_stamp_abs(struct trace_buffer *buffer, bool abs) -{ - buffer->time_stamp_abs = abs; -} - -bool ring_buffer_time_stamp_abs(struct trace_buffer *buffer) -{ - return buffer->time_stamp_abs; -} - static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); static inline unsigned long rb_page_entries(struct buffer_page *bpage)