From: Linyu Yuan <quic_linyyuan@quicinc.com>
To: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>, Bin Liu <b-liu@ti.com>,
Peter Chen <peter.chen@kernel.org>,
Pawel Laszczak <pawell@cadence.com>,
Roger Quadros <rogerq@kernel.org>,
Alan Stern <stern@rowland.harvard.edu>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>, <linux-trace-kernel@vger.kernel.org>,
"Linyu Yuan" <quic_linyyuan@quicinc.com>
Subject: [PATCH 3/8] usb: udc: trace: reduce buffer usage of trace event
Date: Thu, 14 Sep 2023 18:02:57 +0800 [thread overview]
Message-ID: <20230914100302.30274-4-quic_linyyuan@quicinc.com> (raw)
In-Reply-To: <20230914100302.30274-1-quic_linyyuan@quicinc.com>
Save u32 members into trace event ring buffer and parse it for possible
bit fields.
Use new DECLARE_EVENT_CLASS_PRINT_INIT() class macro for output stage.
Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
---
drivers/usb/gadget/udc/trace.h | 154 +++++++++++++++------------------
1 file changed, 69 insertions(+), 85 deletions(-)
diff --git a/drivers/usb/gadget/udc/trace.h b/drivers/usb/gadget/udc/trace.h
index a5ed26fbc2da..e1754667f1d2 100644
--- a/drivers/usb/gadget/udc/trace.h
+++ b/drivers/usb/gadget/udc/trace.h
@@ -17,7 +17,7 @@
#include <asm/byteorder.h>
#include <linux/usb/gadget.h>
-DECLARE_EVENT_CLASS(udc_log_gadget,
+DECLARE_EVENT_CLASS_PRINT_INIT(udc_log_gadget,
TP_PROTO(struct usb_gadget *g, int ret),
TP_ARGS(g, ret),
TP_STRUCT__entry(
@@ -25,20 +25,7 @@ DECLARE_EVENT_CLASS(udc_log_gadget,
__field(enum usb_device_speed, max_speed)
__field(enum usb_device_state, state)
__field(unsigned, mA)
- __field(unsigned, sg_supported)
- __field(unsigned, is_otg)
- __field(unsigned, is_a_peripheral)
- __field(unsigned, b_hnp_enable)
- __field(unsigned, a_hnp_support)
- __field(unsigned, hnp_polling_support)
- __field(unsigned, host_request_flag)
- __field(unsigned, quirk_ep_out_aligned_size)
- __field(unsigned, quirk_altset_not_supp)
- __field(unsigned, quirk_stall_not_supp)
- __field(unsigned, quirk_zlp_not_supp)
- __field(unsigned, is_selfpowered)
- __field(unsigned, deactivated)
- __field(unsigned, connected)
+ __field(u32, gdw1)
__field(int, ret)
),
TP_fast_assign(
@@ -46,39 +33,35 @@ DECLARE_EVENT_CLASS(udc_log_gadget,
__entry->max_speed = g->max_speed;
__entry->state = g->state;
__entry->mA = g->mA;
- __entry->sg_supported = g->sg_supported;
- __entry->is_otg = g->is_otg;
- __entry->is_a_peripheral = g->is_a_peripheral;
- __entry->b_hnp_enable = g->b_hnp_enable;
- __entry->a_hnp_support = g->a_hnp_support;
- __entry->hnp_polling_support = g->hnp_polling_support;
- __entry->host_request_flag = g->host_request_flag;
- __entry->quirk_ep_out_aligned_size = g->quirk_ep_out_aligned_size;
- __entry->quirk_altset_not_supp = g->quirk_altset_not_supp;
- __entry->quirk_stall_not_supp = g->quirk_stall_not_supp;
- __entry->quirk_zlp_not_supp = g->quirk_zlp_not_supp;
- __entry->is_selfpowered = g->is_selfpowered;
- __entry->deactivated = g->deactivated;
- __entry->connected = g->connected;
+ __entry->gdw1 = g->dw1;
__entry->ret = ret;
),
- TP_printk("speed %d/%d state %d %dmA [%s%s%s%s%s%s%s%s%s%s%s%s%s%s] --> %d",
+ TP_printk("speed %d/%d state %d %dmA [%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s] --> %d",
__entry->speed, __entry->max_speed, __entry->state, __entry->mA,
- __entry->sg_supported ? "sg:" : "",
- __entry->is_otg ? "OTG:" : "",
- __entry->is_a_peripheral ? "a_peripheral:" : "",
- __entry->b_hnp_enable ? "b_hnp:" : "",
- __entry->a_hnp_support ? "a_hnp:" : "",
- __entry->hnp_polling_support ? "hnp_poll:" : "",
- __entry->host_request_flag ? "hostreq:" : "",
- __entry->quirk_ep_out_aligned_size ? "out_aligned:" : "",
- __entry->quirk_altset_not_supp ? "no_altset:" : "",
- __entry->quirk_stall_not_supp ? "no_stall:" : "",
- __entry->quirk_zlp_not_supp ? "no_zlp" : "",
- __entry->is_selfpowered ? "self-powered:" : "bus-powered:",
- __entry->deactivated ? "deactivated:" : "activated:",
- __entry->connected ? "connected" : "disconnected",
- __entry->ret)
+ tg.sg_supported ? "sg:" : "",
+ tg.is_otg ? "OTG:" : "",
+ tg.is_a_peripheral ? "a_peripheral:" : "",
+ tg.b_hnp_enable ? "b_hnp:" : "",
+ tg.a_hnp_support ? "a_hnp:" : "",
+ tg.a_alt_hnp_support ? "a_alt_hnp:" : "",
+ tg.hnp_polling_support ? "hnp_poll:" : "",
+ tg.host_request_flag ? "hostreq:" : "",
+ tg.quirk_ep_out_aligned_size ? "out_aligned:" : "",
+ tg.quirk_altset_not_supp ? "no_altset:" : "",
+ tg.quirk_stall_not_supp ? "no_stall:" : "",
+ tg.quirk_zlp_not_supp ? "no_zlp" : "",
+ tg.quirk_avoids_skb_reserve ? "no_skb_reserve" : "",
+ tg.is_selfpowered ? "self-powered:" : "bus-powered:",
+ tg.deactivated ? "deactivated:" : "activated:",
+ tg.connected ? "connected" : "disconnected",
+ tg.lpm_capable ? "lpm-capable" : "",
+ tg.wakeup_capable ? "wakeup-capable" : "",
+ tg.wakeup_armed ? "wakeup-armed" : "",
+ __entry->ret),
+ TP_printk_init(
+ struct usb_gadget tg;
+ tg.dw1 = __entry->gdw1;
+ )
);
DEFINE_EVENT(udc_log_gadget, usb_gadget_frame_number,
@@ -141,38 +124,36 @@ DEFINE_EVENT(udc_log_gadget, usb_gadget_activate,
TP_ARGS(g, ret)
);
-DECLARE_EVENT_CLASS(udc_log_ep,
+DECLARE_EVENT_CLASS_PRINT_INIT(udc_log_ep,
TP_PROTO(struct usb_ep *ep, int ret),
TP_ARGS(ep, ret),
TP_STRUCT__entry(
- __string(name, ep->name)
- __field(unsigned, maxpacket)
- __field(unsigned, maxpacket_limit)
- __field(unsigned, max_streams)
- __field(unsigned, mult)
- __field(unsigned, maxburst)
- __field(u8, address)
- __field(bool, claimed)
- __field(bool, enabled)
+ __field(u32, edw3)
+ __field(u32, edw1)
+ __field(u32, edw2)
__field(int, ret)
),
TP_fast_assign(
- __assign_str(name, ep->name);
- __entry->maxpacket = ep->maxpacket;
- __entry->maxpacket_limit = ep->maxpacket_limit;
- __entry->max_streams = ep->max_streams;
- __entry->mult = ep->mult;
- __entry->maxburst = ep->maxburst;
- __entry->address = ep->address,
- __entry->claimed = ep->claimed;
- __entry->enabled = ep->enabled;
+ __entry->edw3 = ep->dw3;
+ __entry->edw1 = ep->dw1;
+ __entry->edw2 = ep->dw2;
__entry->ret = ret;
),
TP_printk("%s: mps %d/%d streams %d mult %d burst %d addr %02x %s%s --> %d",
- __get_str(name), __entry->maxpacket, __entry->maxpacket_limit,
- __entry->max_streams, __entry->mult, __entry->maxburst,
- __entry->address, __entry->claimed ? "claimed:" : "released:",
- __entry->enabled ? "enabled" : "disabled", ret)
+ __s, te.maxpacket, te.maxpacket_limit,
+ te.max_streams, te.mult, te.maxburst,
+ te.address, te.claimed ? "claimed:" : "released:",
+ te.enabled ? "enabled" : "disabled", ret),
+ TP_printk_init(
+ struct usb_ep te;
+ char __s[9];
+ te.dw1 = __entry->edw1;
+ te.dw2 = __entry->edw2;
+ te.dw3 = __entry->edw3;
+ snprintf(__s, 9, "ep%d%s", te.address, \
+ (te.caps.dir_in && te.caps.dir_out) ? "" : \
+ te.caps.dir_in ? "in" : "out");
+ )
);
DEFINE_EVENT(udc_log_ep, usb_ep_set_maxpacket_limit,
@@ -215,44 +196,47 @@ DEFINE_EVENT(udc_log_ep, usb_ep_fifo_flush,
TP_ARGS(ep, ret)
);
-DECLARE_EVENT_CLASS(udc_log_req,
+DECLARE_EVENT_CLASS_PRINT_INIT(udc_log_req,
TP_PROTO(struct usb_ep *ep, struct usb_request *req, int ret),
TP_ARGS(ep, req, ret),
TP_STRUCT__entry(
- __string(name, ep->name)
+ __field(u32, edw3)
__field(unsigned, length)
__field(unsigned, actual)
__field(unsigned, num_sgs)
__field(unsigned, num_mapped_sgs)
- __field(unsigned, stream_id)
- __field(unsigned, no_interrupt)
- __field(unsigned, zero)
- __field(unsigned, short_not_ok)
+ __field(u32, rdw1)
__field(int, status)
__field(int, ret)
__field(struct usb_request *, req)
),
TP_fast_assign(
- __assign_str(name, ep->name);
+ __entry->edw3 = ep->dw3;
__entry->length = req->length;
__entry->actual = req->actual;
__entry->num_sgs = req->num_sgs;
__entry->num_mapped_sgs = req->num_mapped_sgs;
- __entry->stream_id = req->stream_id;
- __entry->no_interrupt = req->no_interrupt;
- __entry->zero = req->zero;
- __entry->short_not_ok = req->short_not_ok;
+ __entry->rdw1 = req->dw1;
__entry->status = req->status;
__entry->ret = ret;
__entry->req = req;
),
TP_printk("%s: req %p length %d/%d sgs %d/%d stream %d %s%s%s status %d --> %d",
- __get_str(name),__entry->req, __entry->actual, __entry->length,
- __entry->num_mapped_sgs, __entry->num_sgs, __entry->stream_id,
- __entry->zero ? "Z" : "z",
- __entry->short_not_ok ? "S" : "s",
- __entry->no_interrupt ? "i" : "I",
- __entry->status, __entry->ret
+ __s,__entry->req, __entry->actual, __entry->length,
+ __entry->num_mapped_sgs, __entry->num_sgs, tr.stream_id,
+ tr.zero ? "Z" : "z",
+ tr.short_not_ok ? "S" : "s",
+ tr.no_interrupt ? "i" : "I",
+ __entry->status, __entry->ret),
+ TP_printk_init(
+ struct usb_ep te;
+ struct usb_request tr;
+ char __s[9];
+ te.dw3 = __entry->edw3;
+ tr.dw1 = __entry->rdw1;
+ snprintf(__s, 9, "ep%d%s", te.address, \
+ (te.caps.dir_in && te.caps.dir_out) ? "" : \
+ te.caps.dir_in ? "in" : "out");
)
);
--
2.17.1
next prev parent reply other threads:[~2023-09-14 10:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-14 10:02 [PATCH 0/8] usb: gadget: reduce usb gadget trace event buffer usage Linyu Yuan
2023-09-14 10:02 ` [PATCH 1/8] trace: add new DECLARE_EVENT_CLASS_PRINT_INIT class type Linyu Yuan
2023-09-14 14:29 ` kernel test robot
2023-09-14 10:02 ` [PATCH 2/8] usb: gadget: add anonymous definition in some struct for trace purpose Linyu Yuan
2023-09-14 14:54 ` Alan Stern
2023-09-15 1:02 ` Linyu Yuan
2023-09-15 1:51 ` Alan Stern
2023-09-15 1:56 ` Linyu Yuan
2023-09-14 10:02 ` Linyu Yuan [this message]
2023-09-14 16:54 ` [PATCH 3/8] usb: udc: trace: reduce buffer usage of trace event Steven Rostedt
2023-09-15 1:11 ` Linyu Yuan
2023-09-15 2:16 ` Steven Rostedt
2023-09-15 2:25 ` Linyu Yuan
2023-09-14 10:02 ` [PATCH 4/8] usb: cdns3: " Linyu Yuan
2023-09-14 10:02 ` [PATCH 5/8] usb: dwc3: " Linyu Yuan
2023-09-14 10:03 ` [PATCH 6/8] usb: cdns2: " Linyu Yuan
2023-09-14 10:03 ` [PATCH 7/8] usb: mtu3: " Linyu Yuan
2023-09-14 10:03 ` [PATCH 8/8] usb: musb: " Linyu Yuan
2023-09-14 16:42 ` [PATCH 0/8] usb: gadget: reduce usb gadget trace event buffer usage Steven Rostedt
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