diff mbox series

[v4,1/2] trace: add new file under include/trace/stages/ for perf/bpf

Message ID 1671181385-5719-1-git-send-email-quic_linyyuan@quicinc.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series [v4,1/2] trace: add new file under include/trace/stages/ for perf/bpf | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
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Commit Message

Linyu Yuan Dec. 16, 2022, 9:03 a.m. UTC 
when experiment change for trace operation, the files under
include/trace/stages/ will be changed, perf/bpf trace may compile fail.

add new file stage8_perf_call.h and stage9_bpf_call.h under
include/trace/stages/, it will make sure no missing change when expriment.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
---
v4: fix build isse due to file rename
v3: consider perf as stage 8, bpf as stage 9, file name purpose only.
v2: not exist

 include/trace/bpf_probe.h               | 51 +------------------------------
 include/trace/perf.h                    | 52 +-------------------------------
 include/trace/stages/stage8_perf_call.h | 53 +++++++++++++++++++++++++++++++++
 include/trace/stages/stage9_bpf_call.h  | 52 ++++++++++++++++++++++++++++++++
 4 files changed, 107 insertions(+), 101 deletions(-)
 create mode 100644 include/trace/stages/stage8_perf_call.h
 create mode 100644 include/trace/stages/stage9_bpf_call.h

Comments

Steven Rostedt Jan. 24, 2023, 7:46 p.m. UTC | #1 
On Fri, 16 Dec 2022 17:03:04 +0800
Linyu Yuan <quic_linyyuan@quicinc.com> wrote:

> when experiment change for trace operation, the files under
> include/trace/stages/ will be changed, perf/bpf trace may compile fail.

Sorry for the late reply, I was expecting some feedback from the perf
and/or BPF folks.

> 
> add new file stage8_perf_call.h and stage9_bpf_call.h under
> include/trace/stages/, it will make sure no missing change when expriment.
> 

Actually, these are not part of the stage sequence. In fact they could
possibly be replaced *with* the stage sequences (which I think I'll apply):

For example:

diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h
index 155c495b89ea..1f7fc1fc590c 100644
--- a/include/trace/bpf_probe.h
+++ b/include/trace/bpf_probe.h
@@ -4,50 +4,7 @@
 
 #ifdef CONFIG_BPF_EVENTS
 
-#undef __entry
-#define __entry entry
-
-#undef __get_dynamic_array
-#define __get_dynamic_array(field)	\
-		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
-
-#undef __get_dynamic_array_len
-#define __get_dynamic_array_len(field)	\
-		((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) ((char *)__get_dynamic_array(field))
-
-#undef __get_bitmask
-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_cpumask
-#define __get_cpumask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_sockaddr
-#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
-
-#undef __get_rel_dynamic_array
-#define __get_rel_dynamic_array(field)	\
-		((void *)(&__entry->__rel_loc_##field) +	\
-		 sizeof(__entry->__rel_loc_##field) +		\
-		 (__entry->__rel_loc_##field & 0xffff))
-
-#undef __get_rel_dynamic_array_len
-#define __get_rel_dynamic_array_len(field)	\
-		((__entry->__rel_loc_##field >> 16) & 0xffff)
-
-#undef __get_rel_str
-#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
-
-#undef __get_rel_bitmask
-#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_cpumask
-#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_sockaddr
-#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
+#include "stages/stage6_event_callback.h"
 
 #undef __perf_count
 #define __perf_count(c)	(c)
diff --git a/include/trace/perf.h b/include/trace/perf.h
index 8f3bf1e17707..2c11181c82e0 100644
--- a/include/trace/perf.h
+++ b/include/trace/perf.h
@@ -4,51 +4,7 @@
 
 #ifdef CONFIG_PERF_EVENTS
 
-#undef __entry
-#define __entry entry
-
-#undef __get_dynamic_array
-#define __get_dynamic_array(field)	\
-		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
-
-#undef __get_dynamic_array_len
-#define __get_dynamic_array_len(field)	\
-		((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) ((char *)__get_dynamic_array(field))
-
-#undef __get_bitmask
-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_cpumask
-#define __get_cpumask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_sockaddr
-#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
-
-#undef __get_rel_dynamic_array
-#define __get_rel_dynamic_array(field)	\
-		((void *)__entry +					\
-		 offsetof(typeof(*__entry), __rel_loc_##field) +	\
-		 sizeof(__entry->__rel_loc_##field) +			\
-		 (__entry->__rel_loc_##field & 0xffff))
-
-#undef __get_rel_dynamic_array_len
-#define __get_rel_dynamic_array_len(field)	\
-		((__entry->__rel_loc_##field >> 16) & 0xffff)
-
-#undef __get_rel_str
-#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
-
-#undef __get_rel_bitmask
-#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_cpumask
-#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_sockaddr
-#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
+#include "stages/stage6_event_callback.h"
 
 #undef __perf_count
 #define __perf_count(c)	(__count = (c))
diff --git a/include/trace/stages/stage6_event_callback.h b/include/trace/stages/stage6_event_callback.h
index 49c32394b53f..919b1a4da980 100644
--- a/include/trace/stages/stage6_event_callback.h
+++ b/include/trace/stages/stage6_event_callback.h
@@ -2,6 +2,9 @@
 
 /* Stage 6 definitions for creating trace events */
 
+/* Reuse some of the stage 3 macros */
+#include "stage3_trace_output.h"
+
 #undef __entry
 #define __entry entry
Linyu Yuan Jan. 30, 2023, 3:12 a.m. UTC | #2 
On 1/25/2023 3:46 AM, Steven Rostedt wrote:
> On Fri, 16 Dec 2022 17:03:04 +0800
> Linyu Yuan <quic_linyyuan@quicinc.com> wrote:
>
>> when experiment change for trace operation, the files under
>> include/trace/stages/ will be changed, perf/bpf trace may compile fail.
> Sorry for the late reply, I was expecting some feedback from the perf
> and/or BPF folks.
>
>> add new file stage8_perf_call.h and stage9_bpf_call.h under
>> include/trace/stages/, it will make sure no missing change when expriment.
>>
> Actually, these are not part of the stage sequence. In fact they could


thanks for explanation.


> possibly be replaced *with* the stage sequences (which I think I'll apply):
>
> For example:
>
> diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h
> index 155c495b89ea..1f7fc1fc590c 100644
> --- a/include/trace/bpf_probe.h
> +++ b/include/trace/bpf_probe.h
> @@ -4,50 +4,7 @@
>   
>   #ifdef CONFIG_BPF_EVENTS
>   
> -#undef __entry
> -#define __entry entry
> -
> -#undef __get_dynamic_array
> -#define __get_dynamic_array(field)	\
> -		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
> -
> -#undef __get_dynamic_array_len
> -#define __get_dynamic_array_len(field)	\
> -		((__entry->__data_loc_##field >> 16) & 0xffff)
> -
> -#undef __get_str
> -#define __get_str(field) ((char *)__get_dynamic_array(field))
> -
> -#undef __get_bitmask
> -#define __get_bitmask(field) (char *)__get_dynamic_array(field)
> -
> -#undef __get_cpumask
> -#define __get_cpumask(field) (char *)__get_dynamic_array(field)
> -
> -#undef __get_sockaddr
> -#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
> -
> -#undef __get_rel_dynamic_array
> -#define __get_rel_dynamic_array(field)	\
> -		((void *)(&__entry->__rel_loc_##field) +	\
> -		 sizeof(__entry->__rel_loc_##field) +		\
> -		 (__entry->__rel_loc_##field & 0xffff))
> -
> -#undef __get_rel_dynamic_array_len
> -#define __get_rel_dynamic_array_len(field)	\
> -		((__entry->__rel_loc_##field >> 16) & 0xffff)
> -
> -#undef __get_rel_str
> -#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
> -
> -#undef __get_rel_bitmask
> -#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
> -
> -#undef __get_rel_cpumask
> -#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
> -
> -#undef __get_rel_sockaddr
> -#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
> +#include "stages/stage6_event_callback.h"
>   
>   #undef __perf_count
>   #define __perf_count(c)	(c)
> diff --git a/include/trace/perf.h b/include/trace/perf.h
> index 8f3bf1e17707..2c11181c82e0 100644
> --- a/include/trace/perf.h
> +++ b/include/trace/perf.h
> @@ -4,51 +4,7 @@
>   
>   #ifdef CONFIG_PERF_EVENTS
>   
> -#undef __entry
> -#define __entry entry
> -
> -#undef __get_dynamic_array
> -#define __get_dynamic_array(field)	\
> -		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
> -
> -#undef __get_dynamic_array_len
> -#define __get_dynamic_array_len(field)	\
> -		((__entry->__data_loc_##field >> 16) & 0xffff)
> -
> -#undef __get_str
> -#define __get_str(field) ((char *)__get_dynamic_array(field))
> -
> -#undef __get_bitmask
> -#define __get_bitmask(field) (char *)__get_dynamic_array(field)
> -
> -#undef __get_cpumask
> -#define __get_cpumask(field) (char *)__get_dynamic_array(field)
> -
> -#undef __get_sockaddr
> -#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
> -
> -#undef __get_rel_dynamic_array
> -#define __get_rel_dynamic_array(field)	\
> -		((void *)__entry +					\
> -		 offsetof(typeof(*__entry), __rel_loc_##field) +	\
> -		 sizeof(__entry->__rel_loc_##field) +			\
> -		 (__entry->__rel_loc_##field & 0xffff))
> -
> -#undef __get_rel_dynamic_array_len
> -#define __get_rel_dynamic_array_len(field)	\
> -		((__entry->__rel_loc_##field >> 16) & 0xffff)
> -
> -#undef __get_rel_str
> -#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
> -
> -#undef __get_rel_bitmask
> -#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
> -
> -#undef __get_rel_cpumask
> -#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
> -
> -#undef __get_rel_sockaddr
> -#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
> +#include "stages/stage6_event_callback.h"
>   
>   #undef __perf_count
>   #define __perf_count(c)	(__count = (c))
> diff --git a/include/trace/stages/stage6_event_callback.h b/include/trace/stages/stage6_event_callback.h
> index 49c32394b53f..919b1a4da980 100644
> --- a/include/trace/stages/stage6_event_callback.h
> +++ b/include/trace/stages/stage6_event_callback.h
> @@ -2,6 +2,9 @@
>   
>   /* Stage 6 definitions for creating trace events */
>   
> +/* Reuse some of the stage 3 macros */
> +#include "stage3_trace_output.h"
> +
>   #undef __entry
>   #define __entry entry
>
diff mbox series

Patch

diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h
index 155c495..dfa39f5 100644
--- a/include/trace/bpf_probe.h
+++ b/include/trace/bpf_probe.h
@@ -4,56 +4,7 @@ 
 
 #ifdef CONFIG_BPF_EVENTS
 
-#undef __entry
-#define __entry entry
-
-#undef __get_dynamic_array
-#define __get_dynamic_array(field)	\
-		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
-
-#undef __get_dynamic_array_len
-#define __get_dynamic_array_len(field)	\
-		((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) ((char *)__get_dynamic_array(field))
-
-#undef __get_bitmask
-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_cpumask
-#define __get_cpumask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_sockaddr
-#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
-
-#undef __get_rel_dynamic_array
-#define __get_rel_dynamic_array(field)	\
-		((void *)(&__entry->__rel_loc_##field) +	\
-		 sizeof(__entry->__rel_loc_##field) +		\
-		 (__entry->__rel_loc_##field & 0xffff))
-
-#undef __get_rel_dynamic_array_len
-#define __get_rel_dynamic_array_len(field)	\
-		((__entry->__rel_loc_##field >> 16) & 0xffff)
-
-#undef __get_rel_str
-#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
-
-#undef __get_rel_bitmask
-#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_cpumask
-#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_sockaddr
-#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
-
-#undef __perf_count
-#define __perf_count(c)	(c)
-
-#undef __perf_task
-#define __perf_task(t)	(t)
+#include "stages/stage9_bpf_call.h"
 
 /* cast any integer, pointer, or small struct to u64 */
 #define UINTTYPE(size) \
diff --git a/include/trace/perf.h b/include/trace/perf.h
index 8f3bf1e..57e1661 100644
--- a/include/trace/perf.h
+++ b/include/trace/perf.h
@@ -4,57 +4,7 @@ 
 
 #ifdef CONFIG_PERF_EVENTS
 
-#undef __entry
-#define __entry entry
-
-#undef __get_dynamic_array
-#define __get_dynamic_array(field)	\
-		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
-
-#undef __get_dynamic_array_len
-#define __get_dynamic_array_len(field)	\
-		((__entry->__data_loc_##field >> 16) & 0xffff)
-
-#undef __get_str
-#define __get_str(field) ((char *)__get_dynamic_array(field))
-
-#undef __get_bitmask
-#define __get_bitmask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_cpumask
-#define __get_cpumask(field) (char *)__get_dynamic_array(field)
-
-#undef __get_sockaddr
-#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
-
-#undef __get_rel_dynamic_array
-#define __get_rel_dynamic_array(field)	\
-		((void *)__entry +					\
-		 offsetof(typeof(*__entry), __rel_loc_##field) +	\
-		 sizeof(__entry->__rel_loc_##field) +			\
-		 (__entry->__rel_loc_##field & 0xffff))
-
-#undef __get_rel_dynamic_array_len
-#define __get_rel_dynamic_array_len(field)	\
-		((__entry->__rel_loc_##field >> 16) & 0xffff)
-
-#undef __get_rel_str
-#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
-
-#undef __get_rel_bitmask
-#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_cpumask
-#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
-
-#undef __get_rel_sockaddr
-#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
-
-#undef __perf_count
-#define __perf_count(c)	(__count = (c))
-
-#undef __perf_task
-#define __perf_task(t)	(__task = (t))
+#include "stages/stage8_perf_call.h"
 
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
diff --git a/include/trace/stages/stage8_perf_call.h b/include/trace/stages/stage8_perf_call.h
new file mode 100644
index 0000000..54c8045
--- /dev/null
+++ b/include/trace/stages/stage8_perf_call.h
@@ -0,0 +1,53 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field)	\
+		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_dynamic_array_len
+#define __get_dynamic_array_len(field)	\
+		((__entry->__data_loc_##field >> 16) & 0xffff)
+
+#undef __get_str
+#define __get_str(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_bitmask
+#define __get_bitmask(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_cpumask
+#define __get_cpumask(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_sockaddr
+#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
+
+#undef __get_rel_dynamic_array
+#define __get_rel_dynamic_array(field)	\
+		((void *)__entry +					\
+		 offsetof(typeof(*__entry), __rel_loc_##field) +	\
+		 sizeof(__entry->__rel_loc_##field) +			\
+		 (__entry->__rel_loc_##field & 0xffff))
+
+#undef __get_rel_dynamic_array_len
+#define __get_rel_dynamic_array_len(field)	\
+		((__entry->__rel_loc_##field >> 16) & 0xffff)
+
+#undef __get_rel_str
+#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_bitmask
+#define __get_rel_bitmask(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_sockaddr
+#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
+
+#undef __perf_count
+#define __perf_count(c)	(__count = (c))
+
+#undef __perf_task
+#define __perf_task(t)	(__task = (t))
diff --git a/include/trace/stages/stage9_bpf_call.h b/include/trace/stages/stage9_bpf_call.h
new file mode 100644
index 0000000..6dbcbdf
--- /dev/null
+++ b/include/trace/stages/stage9_bpf_call.h
@@ -0,0 +1,52 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field)	\
+		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_dynamic_array_len
+#define __get_dynamic_array_len(field)	\
+		((__entry->__data_loc_##field >> 16) & 0xffff)
+
+#undef __get_str
+#define __get_str(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_bitmask
+#define __get_bitmask(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_cpumask
+#define __get_cpumask(field) ((char *)__get_dynamic_array(field))
+
+#undef __get_sockaddr
+#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
+
+#undef __get_rel_dynamic_array
+#define __get_rel_dynamic_array(field)	\
+		((void *)(&__entry->__rel_loc_##field) +	\
+		 sizeof(__entry->__rel_loc_##field) +		\
+		 (__entry->__rel_loc_##field & 0xffff))
+
+#undef __get_rel_dynamic_array_len
+#define __get_rel_dynamic_array_len(field)	\
+		((__entry->__rel_loc_##field >> 16) & 0xffff)
+
+#undef __get_rel_str
+#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_bitmask
+#define __get_rel_bitmask(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) ((char *)__get_rel_dynamic_array(field))
+
+#undef __get_rel_sockaddr
+#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
+
+#undef __perf_count
+#define __perf_count(c)	(c)
+
+#undef __perf_task
+#define __perf_task(t)	(t)