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24 Feb 2021 23:07:09 -0800 From: Chaitanya Kulkarni To: axboe@kernel.dk, viro@zeniv.linux.org.uk, rostedt@goodmis.org, mingo@redhat.com, chaitanya.kulkarni@wdc.com, johannes.thumshirn@wdc.com, damien.lemoal@wdc.com, bvanassche@acm.org, dongli.zhang@oracle.com, aravind.ramesh@wdc.com, joshi.k@samsung.com, niklas.cassel@wdc.com, hch@lst.de, osandov@fb.com, martin.petersen@oracle.com Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [RFC PATCH 32/39] blktrace: add trace print helpers Date: Wed, 24 Feb 2021 23:02:24 -0800 Message-Id: <20210225070231.21136-33-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210225070231.21136-1-chaitanya.kulkarni@wdc.com> References: <20210225070231.21136-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Signed-off-by: Chaitanya Kulkarni --- kernel/trace/blktrace.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index a904a800b696..53bba8537294 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -2440,6 +2440,15 @@ blk_trace_event_print_binary(struct trace_iterator *iter, int flags, return trace_handle_return(&iter->seq); } +static enum print_line_t +blk_trace_event_print_binary_ext(struct trace_iterator *iter, int flags, + struct trace_event *event) +{ + blk_trace_synthesize_old_trace_ext(iter); + + return trace_handle_return(&iter->seq); +} + static enum print_line_t blk_tracer_print_line(struct trace_iterator *iter) { if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC)) @@ -2448,6 +2457,14 @@ static enum print_line_t blk_tracer_print_line(struct trace_iterator *iter) return print_one_line(iter, true); } +static enum print_line_t blk_tracer_print_line_ext(struct trace_iterator *iter) +{ + if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC)) + return TRACE_TYPE_UNHANDLED; + + return print_one_line_ext(iter, true); +} + static int blk_tracer_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set) {