From: Tzvetomir Stoyanov <tstoyanov@vmware.com>
To: "rostedt@goodmis.org" <rostedt@goodmis.org>
Cc: "linux-trace-devel@vger.kernel.org" <linux-trace-devel@vger.kernel.org>
Subject: [PATCH v3 07/15] tools/lib/traceevent: traceevent API cleanup
Date: Wed, 28 Nov 2018 09:07:37 +0000 [thread overview]
Message-ID: <20181128090711.17792-8-tstoyanov@vmware.com> (raw)
In-Reply-To: <20181128090711.17792-1-tstoyanov@vmware.com>
In order to make libtraceevent into a proper library, its API
should be straightforward. This patch hides few API functions,
intended for internal usage only:
tep_free_event(), tep_free_format_field(), __tep_data2host2(),
__tep_data2host4() and __tep_data2host8().
The patch also alignes the libtraceevent summary man page with
these API changes.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com>
---
tools/lib/traceevent/event-parse-api.c | 6 +++---
tools/lib/traceevent/event-parse-local.h | 7 +++++++
tools/lib/traceevent/event-parse.c | 13 ++++++++-----
tools/lib/traceevent/event-parse.h | 18 ------------------
4 files changed, 18 insertions(+), 26 deletions(-)
diff --git a/tools/lib/traceevent/event-parse-api.c b/tools/lib/traceevent/event-parse-api.c
index 52188921cfe3..bdefe3c235ad 100644
--- a/tools/lib/traceevent/event-parse-api.c
+++ b/tools/lib/traceevent/event-parse-api.c
@@ -51,7 +51,7 @@ void tep_set_flag(struct tep_handle *tep, int flag)
tep->flags |= flag;
}
-unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data)
+unsigned short tep_data2host2(struct tep_handle *pevent, unsigned short data)
{
unsigned short swap;
@@ -64,7 +64,7 @@ unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data)
return swap;
}
-unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data)
+unsigned int tep_data2host4(struct tep_handle *pevent, unsigned int data)
{
unsigned int swap;
@@ -80,7 +80,7 @@ unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data)
}
unsigned long long
-__tep_data2host8(struct tep_handle *pevent, unsigned long long data)
+tep_data2host8(struct tep_handle *pevent, unsigned long long data)
{
unsigned long long swap;
diff --git a/tools/lib/traceevent/event-parse-local.h b/tools/lib/traceevent/event-parse-local.h
index 94746efef433..9a092dd4a86d 100644
--- a/tools/lib/traceevent/event-parse-local.h
+++ b/tools/lib/traceevent/event-parse-local.h
@@ -89,4 +89,11 @@ struct tep_handle {
char *trace_clock;
};
+void tep_free_event(struct tep_event *event);
+void tep_free_format_field(struct tep_format_field *field);
+
+unsigned short tep_data2host2(struct tep_handle *pevent, unsigned short data);
+unsigned int tep_data2host4(struct tep_handle *pevent, unsigned int data);
+unsigned long long tep_data2host8(struct tep_handle *pevent, unsigned long long data);
+
#endif /* _PARSE_EVENTS_INT_H */
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 7140b845e20f..668bc5e2805f 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3343,15 +3343,18 @@ tep_find_any_field(struct tep_event *event, const char *name)
unsigned long long tep_read_number(struct tep_handle *pevent,
const void *ptr, int size)
{
+ unsigned long long val;
+
switch (size) {
case 1:
return *(unsigned char *)ptr;
case 2:
- return tep_data2host2(pevent, ptr);
+ return tep_data2host2(pevent, *(unsigned short *)ptr);
case 4:
- return tep_data2host4(pevent, ptr);
+ return tep_data2host4(pevent, *(unsigned int *)ptr);
case 8:
- return tep_data2host8(pevent, ptr);
+ memcpy(&val, (ptr), sizeof(unsigned long long));
+ return tep_data2host8(pevent, val);
default:
/* BUG! */
return 0;
@@ -4077,7 +4080,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
f = tep_find_any_field(event, arg->string.string);
arg->string.offset = f->offset;
}
- str_offset = tep_data2host4(pevent, data + arg->string.offset);
+ str_offset = tep_data2host4(pevent, *(unsigned int *)(data + arg->string.offset));
str_offset &= 0xffff;
print_str_to_seq(s, format, len_arg, ((char *)data) + str_offset);
break;
@@ -4095,7 +4098,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
f = tep_find_any_field(event, arg->bitmask.bitmask);
arg->bitmask.offset = f->offset;
}
- bitmask_offset = tep_data2host4(pevent, data + arg->bitmask.offset);
+ bitmask_offset = tep_data2host4(pevent, *(unsigned int *)(data + arg->bitmask.offset));
bitmask_size = bitmask_offset >> 16;
bitmask_offset &= 0xffff;
print_bitmask_to_seq(pevent, s, format, len_arg,
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 0c8548bf234c..4e0602522c28 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -409,22 +409,6 @@ void tep_print_plugins(struct trace_seq *s,
typedef char *(tep_func_resolver_t)(void *priv,
unsigned long long *addrp, char **modp);
void tep_set_flag(struct tep_handle *tep, int flag);
-unsigned short __tep_data2host2(struct tep_handle *pevent, unsigned short data);
-unsigned int __tep_data2host4(struct tep_handle *pevent, unsigned int data);
-unsigned long long
-__tep_data2host8(struct tep_handle *pevent, unsigned long long data);
-
-#define tep_data2host2(pevent, ptr) \
- __tep_data2host2(pevent, *(unsigned short *)(ptr))
-#define tep_data2host4(pevent, ptr) \
- __tep_data2host4(pevent, *(unsigned int *)(ptr))
-#define tep_data2host8(pevent, ptr) \
-({ \
- unsigned long long __val; \
- \
- memcpy(&__val, (ptr), sizeof(unsigned long long)); \
- __tep_data2host8(pevent, __val); \
-})
static inline int tep_host_bigendian(void)
{
@@ -477,8 +461,6 @@ enum tep_errno tep_parse_format(struct tep_handle *pevent,
struct tep_event **eventp,
const char *buf,
unsigned long size, const char *sys);
-void tep_free_event(struct tep_event *event);
-void tep_free_format_field(struct tep_format_field *field);
void *tep_get_field_raw(struct trace_seq *s, struct tep_event *event,
const char *name, struct tep_record *record,
--
2.19.1
next prev parent reply other threads:[~2018-11-28 20:08 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-28 9:07 [PATCH v3 00/15] tools/lib/traceevent,tools/perf: Various changes in libtraceevent APIs Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 01/15] tools/lib/traceevent: Implemented new API tep_get_ref() Tzvetomir Stoyanov
2018-11-28 20:01 ` Steven Rostedt
2018-11-28 9:07 ` [PATCH v3 02/15] tools/lib/traceevent: Added support for pkg-config Tzvetomir Stoyanov
2018-11-28 20:14 ` Steven Rostedt
2018-11-28 20:15 ` Steven Rostedt
2018-11-28 9:07 ` [PATCH v3 03/15] tools/lib/traceevent: Install trace-seq.h API header file Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 04/15] tools/lib/traceevent, tools/perf: Rename struct tep_event_format to struct tep_event Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 05/15] tools/lib/traceevent: Rename tep_free_format() to tep_free_event() Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 06/15] tools/perf: traceevent API cleanup, remove __tep_data2host*() Tzvetomir Stoyanov
2018-11-28 9:07 ` Tzvetomir Stoyanov [this message]
2018-11-28 9:07 ` [PATCH v3 08/15] tools/lib/traceevent: Introduce new libtracevent API: tep_override_comm() Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 09/15] tools/lib/traceevent: Initialize host_bigendian at tep_handle allocation Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 10/15] tools/lib/traceevent: Rename struct cmdline to struct tep_cmdline Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 11/15] tools/lib/traceevent: Changed return logic of trace_seq_printf() and trace_seq_vprintf() APIs Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 12/15] tools/lib/traceevent: Changed return logic of tep_register_event_handler() API Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 13/15] tools/lib/traceevent: Rename tep_is_file_bigendian() to tep_file_bigendian() Tzvetomir Stoyanov
2018-11-28 9:07 ` [PATCH v3 14/15] tools/lib/traceevent: Change description of few APIs Tzvetomir Stoyanov
2018-12-01 3:43 ` Steven Rostedt
2018-12-01 3:58 ` Steven Rostedt
2019-03-13 15:56 ` Steven Rostedt
2018-11-28 9:07 ` [PATCH v3 15/15] tools/lib/traceevent: Remove tep_data_event_from_type() API Tzvetomir Stoyanov
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