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usb: xhci: change some trace event __dynamic_array() to __get_buf()

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some __dynamic_array() buffer will only used at trace event output time,
change to __get_buf() which will allocate tempary trace seq buffer for
output purpose.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Link: https://lore.kernel.org/r/1677465850-1396-5-git-send-email-quic_linyyuan@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Linyu Yuan
2023-02-27 10:44:10 +08:00
committed by Greg Kroah-Hartman
parent f09d24aa46
commit 7d1a898f52
1 changed files with 7 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/usb/host/xhci-trace.h
+7 -13
View File
@@ -120,7 +120,6 @@ DECLARE_EVENT_CLASS(xhci_log_trb,
__field(u32, field1)
__field(u32, field2)
__field(u32, field3)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->type = ring->type;
@@ -130,8 +129,8 @@ DECLARE_EVENT_CLASS(xhci_log_trb,
__entry->field3 = le32_to_cpu(trb->field[3]);
),
TP_printk("%s: %s", xhci_ring_type_string(__entry->type),
xhci_decode_trb(__get_str(str), XHCI_MSG_MAX, __entry->field0, __entry->field1,
__entry->field2, __entry->field3)
xhci_decode_trb(__get_buf(XHCI_MSG_MAX), XHCI_MSG_MAX, __entry->field0,
__entry->field1, __entry->field2, __entry->field3)
)
);
@@ -322,7 +321,6 @@ DECLARE_EVENT_CLASS(xhci_log_ep_ctx,
__field(u32, info2)
__field(u64, deq)
__field(u32, tx_info)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->info = le32_to_cpu(ctx->ep_info);
@@ -330,7 +328,7 @@ DECLARE_EVENT_CLASS(xhci_log_ep_ctx,
__entry->deq = le64_to_cpu(ctx->deq);
__entry->tx_info = le32_to_cpu(ctx->tx_info);
),
TP_printk("%s", xhci_decode_ep_context(__get_str(str),
TP_printk("%s", xhci_decode_ep_context(__get_buf(XHCI_MSG_MAX),
__entry->info, __entry->info2, __entry->deq, __entry->tx_info)
)
);
@@ -368,7 +366,6 @@ DECLARE_EVENT_CLASS(xhci_log_slot_ctx,
__field(u32, info2)
__field(u32, tt_info)
__field(u32, state)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->info = le32_to_cpu(ctx->dev_info);
@@ -376,7 +373,7 @@ DECLARE_EVENT_CLASS(xhci_log_slot_ctx,
__entry->tt_info = le64_to_cpu(ctx->tt_info);
__entry->state = le32_to_cpu(ctx->dev_state);
),
TP_printk("%s", xhci_decode_slot_context(__get_str(str),
TP_printk("%s", xhci_decode_slot_context(__get_buf(XHCI_MSG_MAX),
__entry->info, __entry->info2,
__entry->tt_info, __entry->state)
)
@@ -433,13 +430,12 @@ DECLARE_EVENT_CLASS(xhci_log_ctrl_ctx,
TP_STRUCT__entry(
__field(u32, drop)
__field(u32, add)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->drop = le32_to_cpu(ctrl_ctx->drop_flags);
__entry->add = le32_to_cpu(ctrl_ctx->add_flags);
),
TP_printk("%s", xhci_decode_ctrl_ctx(__get_str(str), __entry->drop, __entry->add)
TP_printk("%s", xhci_decode_ctrl_ctx(__get_buf(XHCI_MSG_MAX), __entry->drop, __entry->add)
)
);
@@ -525,7 +521,6 @@ DECLARE_EVENT_CLASS(xhci_log_portsc,
TP_STRUCT__entry(
__field(u32, portnum)
__field(u32, portsc)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->portnum = portnum;
@@ -533,7 +528,7 @@ DECLARE_EVENT_CLASS(xhci_log_portsc,
),
TP_printk("port-%d: %s",
__entry->portnum,
xhci_decode_portsc(__get_str(str), __entry->portsc)
xhci_decode_portsc(__get_buf(XHCI_MSG_MAX), __entry->portsc)
)
);
@@ -558,14 +553,13 @@ DECLARE_EVENT_CLASS(xhci_log_doorbell,
TP_STRUCT__entry(
__field(u32, slot)
__field(u32, doorbell)
__dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->slot = slot;
__entry->doorbell = doorbell;
),
TP_printk("Ring doorbell for %s",
xhci_decode_doorbell(__get_str(str), __entry->slot, __entry->doorbell)
xhci_decode_doorbell(__get_buf(XHCI_MSG_MAX), __entry->slot, __entry->doorbell)
)
);