From: Steven Rostedt <rostedt@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Andrew Morton <akpm@linux-foundation.org>,
Pawel Laszczak <pawell@cadence.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Peter Chen <peter.chen@kernel.org>
Subject: [for-next][PATCH 2/4] cdns3: Remove unused tracepoints
Date: Wed, 01 Oct 2025 10:46:07 -0400 [thread overview]
Message-ID: <20251001144625.041876798@kernel.org> (raw)
In-Reply-To: 20251001144605.585204794@kernel.org
From: Steven Rostedt <rostedt@goodmis.org>
Tracepoints that are defined take up around 5K each, even if they are not
used. If they are defined and not used, then they waste memory for unused
code. Soon unused tracepoints will cause warnings.
Remove the unused tracepoints of the cdns3 subsystem. They are:
cdns3_mapped_request
cdns3_map_request
cdns3_stream_transfer_split
cdns3_stream_transfer_split_next_part
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Pawel Laszczak <pawell@cadence.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/20250829015650.053498355@kernel.org
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
drivers/usb/cdns3/cdns3-trace.h | 61 ---------------------------------
1 file changed, 61 deletions(-)
diff --git a/drivers/usb/cdns3/cdns3-trace.h b/drivers/usb/cdns3/cdns3-trace.h
index c4e542f1b9b7..21a6a2ce7a3d 100644
--- a/drivers/usb/cdns3/cdns3-trace.h
+++ b/drivers/usb/cdns3/cdns3-trace.h
@@ -283,39 +283,6 @@ TRACE_EVENT(cdns3_ep0_queue,
__entry->length)
);
-DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
- TP_PROTO(struct cdns3_request *req),
- TP_ARGS(req),
- TP_STRUCT__entry(
- __string(name, req->priv_ep->name)
- __field(struct cdns3_request *, req)
- __field(unsigned int, length)
- __field(unsigned int, actual)
- __field(unsigned int, stream_id)
- ),
- TP_fast_assign(
- __assign_str(name);
- __entry->req = req;
- __entry->actual = req->request.length;
- __entry->length = req->request.actual;
- __entry->stream_id = req->request.stream_id;
- ),
- TP_printk("%s: req: %p,request length: %u actual length: %u SID: %u",
- __get_str(name), __entry->req, __entry->length,
- __entry->actual, __entry->stream_id)
-);
-
-DEFINE_EVENT(cdns3_stream_split_transfer_len, cdns3_stream_transfer_split,
- TP_PROTO(struct cdns3_request *req),
- TP_ARGS(req)
-);
-
-DEFINE_EVENT(cdns3_stream_split_transfer_len,
- cdns3_stream_transfer_split_next_part,
- TP_PROTO(struct cdns3_request *req),
- TP_ARGS(req)
-);
-
DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
TP_PROTO(struct cdns3_request *priv_req),
TP_ARGS(priv_req),
@@ -354,34 +321,6 @@ DEFINE_EVENT(cdns3_log_aligned_request, cdns3_prepare_aligned_request,
TP_ARGS(req)
);
-DECLARE_EVENT_CLASS(cdns3_log_map_request,
- TP_PROTO(struct cdns3_request *priv_req),
- TP_ARGS(priv_req),
- TP_STRUCT__entry(
- __string(name, priv_req->priv_ep->name)
- __field(struct usb_request *, req)
- __field(void *, buf)
- __field(dma_addr_t, dma)
- ),
- TP_fast_assign(
- __assign_str(name);
- __entry->req = &priv_req->request;
- __entry->buf = priv_req->request.buf;
- __entry->dma = priv_req->request.dma;
- ),
- TP_printk("%s: req: %p, req buf %p, dma %p",
- __get_str(name), __entry->req, __entry->buf, &__entry->dma
- )
-);
-DEFINE_EVENT(cdns3_log_map_request, cdns3_map_request,
- TP_PROTO(struct cdns3_request *req),
- TP_ARGS(req)
-);
-DEFINE_EVENT(cdns3_log_map_request, cdns3_mapped_request,
- TP_PROTO(struct cdns3_request *req),
- TP_ARGS(req)
-);
-
DECLARE_EVENT_CLASS(cdns3_log_trb,
TP_PROTO(struct cdns3_endpoint *priv_ep, struct cdns3_trb *trb),
TP_ARGS(priv_ep, trb),
--
2.50.1
next prev parent reply other threads:[~2025-10-01 14:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-01 14:46 [for-next][PATCH 0/4] tracing: Removed unused tracepoints for v6.18 Steven Rostedt
2025-10-01 14:46 ` [for-next][PATCH 1/4] cdns2: Remove unused tracepoints Steven Rostedt
2025-10-01 14:46 ` Steven Rostedt [this message]
2025-10-01 14:46 ` [for-next][PATCH 3/4] cdnsp: " Steven Rostedt
2025-10-01 14:46 ` [for-next][PATCH 4/4] cfg80211: " Steven Rostedt
2025-10-01 14:49 ` Johannes Berg
2025-10-01 15:14 ` Steven Rostedt
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