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Message-Id: <20180815150611.32080-16-acme@kernel.org>
Date: Wed, 15 Aug 2018 12:05:51 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org,
"Tzvetomir Stoyanov (VMware)" <tz.stoyanov@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Yordan Karadzhov <y.karadz@...il.com>,
linux-trace-devel@...r.kernel.org,
Steven Rostedt <rostedt@...dmis.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 15/35] tools lib traceevent: Rename pevent_function* APIs
From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@...il.com>
In order to make libtraceevent into a proper library, variables, data
structures and functions require a unique prefix to prevent name space
conflicts. That prefix will be "tep_" and not "pevent_". This changes
APIs: pevent_function_handler, pevent_func_handler,
pevent_func_arg_type, PEVENT_FUNC_ARG_VOID, PEVENT_FUNC_ARG_INT,
PEVENT_FUNC_ARG_LONG, PEVENT_FUNC_ARG_STRING, PEVENT_FUNC_ARG_PTRS,
PEVENT_FUNC_ARG_MAX_TYPES
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Yordan Karadzhov (VMware) <y.karadz@...il.com>
Cc: linux-trace-devel@...r.kernel.org
Link: http://lkml.kernel.org/r/20180808180701.935881193@goodmis.org
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/lib/traceevent/event-parse.c | 62 +++++++++++++++++-----------------
tools/lib/traceevent/event-parse.h | 30 ++++++++--------
tools/lib/traceevent/plugin_cfg80211.c | 6 ++--
tools/lib/traceevent/plugin_jbd2.c | 12 +++----
tools/lib/traceevent/plugin_kvm.c | 6 ++--
tools/lib/traceevent/plugin_scsi.c | 10 +++---
tools/lib/traceevent/plugin_xen.c | 6 ++--
7 files changed, 66 insertions(+), 66 deletions(-)
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 01b5dbf2abdf..8d0ce0ea52dc 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -94,14 +94,14 @@ struct event_handler {
struct pevent_func_params {
struct pevent_func_params *next;
- enum pevent_func_arg_type type;
+ enum tep_func_arg_type type;
};
-struct pevent_function_handler {
- struct pevent_function_handler *next;
- enum pevent_func_arg_type ret_type;
+struct tep_function_handler {
+ struct tep_function_handler *next;
+ enum tep_func_arg_type ret_type;
char *name;
- pevent_func_handler func;
+ tep_func_handler func;
struct pevent_func_params *params;
int nr_args;
};
@@ -110,7 +110,7 @@ static unsigned long long
process_defined_func(struct trace_seq *s, void *data, int size,
struct event_format *event, struct print_arg *arg);
-static void free_func_handle(struct pevent_function_handler *func);
+static void free_func_handle(struct tep_function_handler *func);
/**
* pevent_buffer_init - init buffer for parsing
@@ -2914,10 +2914,10 @@ process_bitmask(struct event_format *event __maybe_unused, struct print_arg *arg
return EVENT_ERROR;
}
-static struct pevent_function_handler *
+static struct tep_function_handler *
find_func_handler(struct tep_handle *pevent, char *func_name)
{
- struct pevent_function_handler *func;
+ struct tep_function_handler *func;
if (!pevent)
return NULL;
@@ -2932,8 +2932,8 @@ find_func_handler(struct tep_handle *pevent, char *func_name)
static void remove_func_handler(struct tep_handle *pevent, char *func_name)
{
- struct pevent_function_handler *func;
- struct pevent_function_handler **next;
+ struct tep_function_handler *func;
+ struct tep_function_handler **next;
next = &pevent->func_handlers;
while ((func = *next)) {
@@ -2947,7 +2947,7 @@ static void remove_func_handler(struct tep_handle *pevent, char *func_name)
}
static enum event_type
-process_func_handler(struct event_format *event, struct pevent_function_handler *func,
+process_func_handler(struct event_format *event, struct tep_function_handler *func,
struct print_arg *arg, char **tok)
{
struct print_arg **next_arg;
@@ -3008,7 +3008,7 @@ static enum event_type
process_function(struct event_format *event, struct print_arg *arg,
char *token, char **tok)
{
- struct pevent_function_handler *func;
+ struct tep_function_handler *func;
if (strcmp(token, "__print_flags") == 0) {
free_token(token);
@@ -4132,7 +4132,7 @@ static unsigned long long
process_defined_func(struct trace_seq *s, void *data, int size,
struct event_format *event, struct print_arg *arg)
{
- struct pevent_function_handler *func_handle = arg->func.func;
+ struct tep_function_handler *func_handle = arg->func.func;
struct pevent_func_params *param;
unsigned long long *args;
unsigned long long ret;
@@ -4159,12 +4159,12 @@ process_defined_func(struct trace_seq *s, void *data, int size,
for (i = 0; i < func_handle->nr_args; i++) {
switch (param->type) {
- case PEVENT_FUNC_ARG_INT:
- case PEVENT_FUNC_ARG_LONG:
- case PEVENT_FUNC_ARG_PTR:
+ case TEP_FUNC_ARG_INT:
+ case TEP_FUNC_ARG_LONG:
+ case TEP_FUNC_ARG_PTR:
args[i] = eval_num_arg(data, size, event, farg);
break;
- case PEVENT_FUNC_ARG_STRING:
+ case TEP_FUNC_ARG_STRING:
trace_seq_init(&str);
print_str_arg(&str, data, size, event, "%s", -1, farg);
trace_seq_terminate(&str);
@@ -6461,7 +6461,7 @@ int tep_print_func_field(struct trace_seq *s, const char *fmt,
return -1;
}
-static void free_func_handle(struct pevent_function_handler *func)
+static void free_func_handle(struct tep_function_handler *func)
{
struct pevent_func_params *params;
@@ -6482,24 +6482,24 @@ static void free_func_handle(struct pevent_function_handler *func)
* @func: the function to process the helper function
* @ret_type: the return type of the helper function
* @name: the name of the helper function
- * @parameters: A list of enum pevent_func_arg_type
+ * @parameters: A list of enum tep_func_arg_type
*
* Some events may have helper functions in the print format arguments.
* This allows a plugin to dynamically create a way to process one
* of these functions.
*
- * The @parameters is a variable list of pevent_func_arg_type enums that
- * must end with PEVENT_FUNC_ARG_VOID.
+ * The @parameters is a variable list of tep_func_arg_type enums that
+ * must end with TEP_FUNC_ARG_VOID.
*/
int pevent_register_print_function(struct tep_handle *pevent,
- pevent_func_handler func,
- enum pevent_func_arg_type ret_type,
+ tep_func_handler func,
+ enum tep_func_arg_type ret_type,
char *name, ...)
{
- struct pevent_function_handler *func_handle;
+ struct tep_function_handler *func_handle;
struct pevent_func_params **next_param;
struct pevent_func_params *param;
- enum pevent_func_arg_type type;
+ enum tep_func_arg_type type;
va_list ap;
int ret;
@@ -6532,11 +6532,11 @@ int pevent_register_print_function(struct tep_handle *pevent,
next_param = &(func_handle->params);
va_start(ap, name);
for (;;) {
- type = va_arg(ap, enum pevent_func_arg_type);
- if (type == PEVENT_FUNC_ARG_VOID)
+ type = va_arg(ap, enum tep_func_arg_type);
+ if (type == TEP_FUNC_ARG_VOID)
break;
- if (type >= PEVENT_FUNC_ARG_MAX_TYPES) {
+ if (type >= TEP_FUNC_ARG_MAX_TYPES) {
do_warning("Invalid argument type %d", type);
ret = TEP_ERRNO__INVALID_ARG_TYPE;
goto out_free;
@@ -6579,9 +6579,9 @@ int pevent_register_print_function(struct tep_handle *pevent,
* Returns 0 if the handler was removed successully, -1 otherwise.
*/
int pevent_unregister_print_function(struct tep_handle *pevent,
- pevent_func_handler func, char *name)
+ tep_func_handler func, char *name)
{
- struct pevent_function_handler *func_handle;
+ struct tep_function_handler *func_handle;
func_handle = find_func_handler(pevent, name);
if (func_handle && func_handle->func == func) {
@@ -6819,7 +6819,7 @@ void tep_free(struct tep_handle *pevent)
struct cmdline_list *cmdlist, *cmdnext;
struct func_list *funclist, *funcnext;
struct printk_list *printklist, *printknext;
- struct pevent_function_handler *func_handler;
+ struct tep_function_handler *func_handler;
struct event_handler *handle;
int i;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 3067f524fef8..81f34132fc47 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -269,10 +269,10 @@ struct print_arg_op {
struct print_arg *right;
};
-struct pevent_function_handler;
+struct tep_function_handler;
struct print_arg_func {
- struct pevent_function_handler *func;
+ struct tep_function_handler *func;
struct print_arg *args;
};
@@ -361,16 +361,16 @@ enum event_type {
EVENT_SQUOTE,
};
-typedef unsigned long long (*pevent_func_handler)(struct trace_seq *s,
- unsigned long long *args);
+typedef unsigned long long (*tep_func_handler)(struct trace_seq *s,
+ unsigned long long *args);
-enum pevent_func_arg_type {
- PEVENT_FUNC_ARG_VOID,
- PEVENT_FUNC_ARG_INT,
- PEVENT_FUNC_ARG_LONG,
- PEVENT_FUNC_ARG_STRING,
- PEVENT_FUNC_ARG_PTR,
- PEVENT_FUNC_ARG_MAX_TYPES
+enum tep_func_arg_type {
+ TEP_FUNC_ARG_VOID,
+ TEP_FUNC_ARG_INT,
+ TEP_FUNC_ARG_LONG,
+ TEP_FUNC_ARG_STRING,
+ TEP_FUNC_ARG_PTR,
+ TEP_FUNC_ARG_MAX_TYPES
};
enum tep_flag {
@@ -524,7 +524,7 @@ struct tep_handle {
struct format_field *bprint_buf_field;
struct event_handler *handlers;
- struct pevent_function_handler *func_handlers;
+ struct tep_function_handler *func_handlers;
/* cache */
struct event_format *last_event;
@@ -680,11 +680,11 @@ int pevent_unregister_event_handler(struct tep_handle *pevent, int id,
const char *sys_name, const char *event_name,
tep_event_handler_func func, void *context);
int pevent_register_print_function(struct tep_handle *pevent,
- pevent_func_handler func,
- enum pevent_func_arg_type ret_type,
+ tep_func_handler func,
+ enum tep_func_arg_type ret_type,
char *name, ...);
int pevent_unregister_print_function(struct tep_handle *pevent,
- pevent_func_handler func, char *name);
+ tep_func_handler func, char *name);
struct format_field *tep_find_common_field(struct event_format *event, const char *name);
struct format_field *tep_find_field(struct event_format *event, const char *name);
diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c
index c189bbc9fa18..e0421e31509f 100644
--- a/tools/lib/traceevent/plugin_cfg80211.c
+++ b/tools/lib/traceevent/plugin_cfg80211.c
@@ -29,10 +29,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
{
pevent_register_print_function(pevent,
process___le16_to_cpup,
- PEVENT_FUNC_ARG_INT,
+ TEP_FUNC_ARG_INT,
"__le16_to_cpup",
- PEVENT_FUNC_ARG_PTR,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_PTR,
+ TEP_FUNC_ARG_VOID);
return 0;
}
diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c
index 9b88aebb48a9..6da955ff037e 100644
--- a/tools/lib/traceevent/plugin_jbd2.c
+++ b/tools/lib/traceevent/plugin_jbd2.c
@@ -51,17 +51,17 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
{
pevent_register_print_function(pevent,
process_jbd2_dev_to_name,
- PEVENT_FUNC_ARG_STRING,
+ TEP_FUNC_ARG_STRING,
"jbd2_dev_to_name",
- PEVENT_FUNC_ARG_INT,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_INT,
+ TEP_FUNC_ARG_VOID);
pevent_register_print_function(pevent,
process_jiffies_to_msecs,
- PEVENT_FUNC_ARG_LONG,
+ TEP_FUNC_ARG_LONG,
"jiffies_to_msecs",
- PEVENT_FUNC_ARG_LONG,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_LONG,
+ TEP_FUNC_ARG_VOID);
return 0;
}
diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index d71bc3fde75b..c20f743edf1f 100644
--- a/tools/lib/traceevent/plugin_kvm.c
+++ b/tools/lib/traceevent/plugin_kvm.c
@@ -479,10 +479,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
pevent_register_print_function(pevent,
process_is_writable_pte,
- PEVENT_FUNC_ARG_INT,
+ TEP_FUNC_ARG_INT,
"is_writable_pte",
- PEVENT_FUNC_ARG_LONG,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_LONG,
+ TEP_FUNC_ARG_VOID);
return 0;
}
diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c
index bb9aea6fb000..ce38df7ed4d8 100644
--- a/tools/lib/traceevent/plugin_scsi.c
+++ b/tools/lib/traceevent/plugin_scsi.c
@@ -417,12 +417,12 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
{
pevent_register_print_function(pevent,
process_scsi_trace_parse_cdb,
- PEVENT_FUNC_ARG_STRING,
+ TEP_FUNC_ARG_STRING,
"scsi_trace_parse_cdb",
- PEVENT_FUNC_ARG_PTR,
- PEVENT_FUNC_ARG_PTR,
- PEVENT_FUNC_ARG_INT,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_PTR,
+ TEP_FUNC_ARG_PTR,
+ TEP_FUNC_ARG_INT,
+ TEP_FUNC_ARG_VOID);
return 0;
}
diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c
index 1973dd8abbfd..2ffbd91d5bb7 100644
--- a/tools/lib/traceevent/plugin_xen.c
+++ b/tools/lib/traceevent/plugin_xen.c
@@ -123,10 +123,10 @@ int TEP_PLUGIN_LOADER(struct tep_handle *pevent)
{
pevent_register_print_function(pevent,
process_xen_hypercall_name,
- PEVENT_FUNC_ARG_STRING,
+ TEP_FUNC_ARG_STRING,
"xen_hypercall_name",
- PEVENT_FUNC_ARG_INT,
- PEVENT_FUNC_ARG_VOID);
+ TEP_FUNC_ARG_INT,
+ TEP_FUNC_ARG_VOID);
return 0;
}
--
2.14.4
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