linux-kernel - [PATCH 05/15] tools/lib/traceevent: Change description of few APIs

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Message-Id: <20190401164343.396759247@goodmis.org>
Date:   Mon, 01 Apr 2019 12:43:10 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tzvetomir Stoyanov <tstoyanov@...are.com>
Subject: [PATCH 05/15] tools/lib/traceevent: Change description of few APIs

From: Tzvetomir Stoyanov <tstoyanov@...are.com>

APIs descriptions should describe the purpose of the function, its
parameters and return value. While working  on man pages
implementation, I noticed mismatches in the  descriptions of few APIs.
This patch changes the description of these APIs, making them
consistent with the man pages:

 - tep_print_num_field()
 - tep_print_func_field()
 - tep_get_header_page_size()
 - tep_get_long_size()
 - tep_set_long_size()
 - tep_get_page_size()
 - tep_set_page_size()

Link: http://lore.kernel.org/linux-trace-devel/20190325145017.30246-2-tstoyanov@vmware.com

Signed-off-by: Tzvetomir Stoyanov <tstoyanov@...are.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 tools/lib/traceevent/event-parse-api.c | 20 ++++++++++----------
 tools/lib/traceevent/event-parse.c     |  6 ++++--
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/tools/lib/traceevent/event-parse-api.c b/tools/lib/traceevent/event-parse-api.c
index d463761a58f4..3686a221e981 100644
--- a/tools/lib/traceevent/event-parse-api.c
+++ b/tools/lib/traceevent/event-parse-api.c
@@ -43,8 +43,8 @@ int tep_get_events_count(struct tep_handle *tep)
  * @flag: flag, or combination of flags to be set
  * can be any combination from enum tep_flag
  *
- * This sets a flag or mbination of flags  from enum tep_flag
-  */
+ * This sets a flag or combination of flags from enum tep_flag
+ */
 void tep_set_flag(struct tep_handle *tep, int flag)
 {
 	if(tep)
@@ -140,10 +140,10 @@ void tep_set_cpus(struct tep_handle *pevent, int cpus)
 }
 
 /**
- * tep_get_long_size - get the size of a long integer on the current machine
+ * tep_get_long_size - get the size of a long integer on the traced machine
  * @pevent: a handle to the tep_handle
  *
- * This returns the size of a long integer on the current machine
+ * This returns the size of a long integer on the traced machine
  * If @pevent is NULL, 0 is returned.
  */
 int tep_get_long_size(struct tep_handle *pevent)
@@ -154,11 +154,11 @@ int tep_get_long_size(struct tep_handle *pevent)
 }
 
 /**
- * tep_set_long_size - set the size of a long integer on the current machine
+ * tep_set_long_size - set the size of a long integer on the traced machine
  * @pevent: a handle to the tep_handle
  * @size: size, in bytes, of a long integer
  *
- * This sets the size of a long integer on the current machine
+ * This sets the size of a long integer on the traced machine
  */
 void tep_set_long_size(struct tep_handle *pevent, int long_size)
 {
@@ -167,10 +167,10 @@ void tep_set_long_size(struct tep_handle *pevent, int long_size)
 }
 
 /**
- * tep_get_page_size - get the size of a memory page on the current machine
+ * tep_get_page_size - get the size of a memory page on the traced machine
  * @pevent: a handle to the tep_handle
  *
- * This returns the size of a memory page on the current machine
+ * This returns the size of a memory page on the traced machine
  * If @pevent is NULL, 0 is returned.
  */
 int tep_get_page_size(struct tep_handle *pevent)
@@ -181,11 +181,11 @@ int tep_get_page_size(struct tep_handle *pevent)
 }
 
 /**
- * tep_set_page_size - set the size of a memory page on the current machine
+ * tep_set_page_size - set the size of a memory page on the traced machine
  * @pevent: a handle to the tep_handle
  * @_page_size: size of a memory page, in bytes
  *
- * This sets the size of a memory page on the current machine
+ * This sets the size of a memory page on the traced machine
  */
 void tep_set_page_size(struct tep_handle *pevent, int _page_size)
 {
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index c00aebab3c33..000ab7514be7 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -6453,7 +6453,8 @@ int tep_get_any_field_val(struct trace_seq *s, struct tep_event *event,
  * @record: The record with the field name.
  * @err: print default error if failed.
  *
- * Returns: 0 on success, -1 field not found, or 1 if buffer is full.
+ * Returns positive value on success, negative in case of an error,
+ * or 0 if buffer is full.
  */
 int tep_print_num_field(struct trace_seq *s, const char *fmt,
 			struct tep_event *event, const char *name,
@@ -6485,7 +6486,8 @@ int tep_print_num_field(struct trace_seq *s, const char *fmt,
  * @record: The record with the field name.
  * @err: print default error if failed.
  *
- * Returns: 0 on success, -1 field not found, or 1 if buffer is full.
+ * Returns positive value on success, negative in case of an error,
+ * or 0 if buffer is full.
  */
 int tep_print_func_field(struct trace_seq *s, const char *fmt,
 			 struct tep_event *event, const char *name,
-- 
2.20.1