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Message-ID: <tip-266b851cc2874774a59f04a7b3b059ca0f26569b@git.kernel.org>
Date: Thu, 6 Sep 2018 06:17:48 -0700
From: "tip-bot for Tzvetomir Stoyanov (VMware)" <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: acme@...hat.com, hpa@...or.com, tglx@...utronix.de,
rostedt@...dmis.org, tz.stoyanov@...il.com, namhyung@...nel.org,
jolsa@...hat.com, mingo@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] tools lib traceevent, perf tools: Split trace-seq
related APIs in a separate header file
Commit-ID: 266b851cc2874774a59f04a7b3b059ca0f26569b
Gitweb: https://git.kernel.org/tip/266b851cc2874774a59f04a7b3b059ca0f26569b
Author: Tzvetomir Stoyanov (VMware) <tz.stoyanov@...il.com>
AuthorDate: Tue, 28 Aug 2018 18:50:38 -0400
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 30 Aug 2018 15:52:20 -0300
tools lib traceevent, perf tools: Split trace-seq related APIs in a separate header file
In order to make libtraceevent into a proper library, all its APIs
should be defined in corresponding header files. This patch splits
trace-seq related APIs in a separate header file: trace-seq.h
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/r/20180828185038.2dcb2743@gandalf.local.home
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/lib/traceevent/event-parse.c | 1 +
tools/lib/traceevent/event-parse.h | 46 ++-----------------------
tools/lib/traceevent/event-plugin.c | 1 +
tools/lib/traceevent/plugin_function.c | 1 +
tools/lib/traceevent/plugin_hrtimer.c | 1 +
tools/lib/traceevent/plugin_jbd2.c | 1 +
tools/lib/traceevent/plugin_kmem.c | 1 +
tools/lib/traceevent/plugin_kvm.c | 1 +
tools/lib/traceevent/plugin_mac80211.c | 1 +
tools/lib/traceevent/plugin_sched_switch.c | 1 +
tools/lib/traceevent/plugin_scsi.c | 1 +
tools/lib/traceevent/plugin_xen.c | 1 +
tools/lib/traceevent/trace-seq.c | 2 ++
tools/lib/traceevent/trace-seq.h | 55 ++++++++++++++++++++++++++++++
tools/perf/util/trace-event.h | 1 +
15 files changed, 71 insertions(+), 44 deletions(-)
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index ce1e20227c64..70a42bec6931 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -24,6 +24,7 @@
#include <netinet/in.h>
#include "event-parse.h"
#include "event-utils.h"
+#include "trace-seq.h"
static const char *input_buf;
static unsigned long long input_buf_ptr;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 44b7c2d41f9f..fa665c66bfa4 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -26,17 +26,12 @@
#include <regex.h>
#include <string.h>
+#include "trace-seq.h"
+
#ifndef __maybe_unused
#define __maybe_unused __attribute__((unused))
#endif
-/* ----------------------- trace_seq ----------------------- */
-
-
-#ifndef TRACE_SEQ_BUF_SIZE
-#define TRACE_SEQ_BUF_SIZE 4096
-#endif
-
#ifndef DEBUG_RECORD
#define DEBUG_RECORD 0
#endif
@@ -59,43 +54,6 @@ struct tep_record {
#endif
};
-enum trace_seq_fail {
- TRACE_SEQ__GOOD,
- TRACE_SEQ__BUFFER_POISONED,
- TRACE_SEQ__MEM_ALLOC_FAILED,
-};
-
-/*
- * Trace sequences are used to allow a function to call several other functions
- * to create a string of data to use (up to a max of PAGE_SIZE).
- */
-
-struct trace_seq {
- char *buffer;
- unsigned int buffer_size;
- unsigned int len;
- unsigned int readpos;
- enum trace_seq_fail state;
-};
-
-void trace_seq_init(struct trace_seq *s);
-void trace_seq_reset(struct trace_seq *s);
-void trace_seq_destroy(struct trace_seq *s);
-
-extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
- __attribute__ ((format (printf, 2, 0)));
-
-extern int trace_seq_puts(struct trace_seq *s, const char *str);
-extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
-
-extern void trace_seq_terminate(struct trace_seq *s);
-
-extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp);
-extern int trace_seq_do_printf(struct trace_seq *s);
-
-
/* ----------------------- pevent ----------------------- */
struct tep_handle;
diff --git a/tools/lib/traceevent/event-plugin.c b/tools/lib/traceevent/event-plugin.c
index f17e25097e1e..ec16a103c0cc 100644
--- a/tools/lib/traceevent/event-plugin.c
+++ b/tools/lib/traceevent/event-plugin.c
@@ -15,6 +15,7 @@
#include <dirent.h>
#include "event-parse.h"
#include "event-utils.h"
+#include "trace-seq.h"
#define LOCAL_PLUGIN_DIR ".traceevent/plugins"
diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c
index 424747475d37..2919042e7dc2 100644
--- a/tools/lib/traceevent/plugin_function.c
+++ b/tools/lib/traceevent/plugin_function.c
@@ -23,6 +23,7 @@
#include "event-parse.h"
#include "event-utils.h"
+#include "trace-seq.h"
static struct func_stack {
int size;
diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c
index b43bfec565d8..29b608076ea0 100644
--- a/tools/lib/traceevent/plugin_hrtimer.c
+++ b/tools/lib/traceevent/plugin_hrtimer.c
@@ -23,6 +23,7 @@
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
static int timer_expire_handler(struct trace_seq *s,
struct tep_record *record,
diff --git a/tools/lib/traceevent/plugin_jbd2.c b/tools/lib/traceevent/plugin_jbd2.c
index 45a9acd19640..a5e34135dd6a 100644
--- a/tools/lib/traceevent/plugin_jbd2.c
+++ b/tools/lib/traceevent/plugin_jbd2.c
@@ -22,6 +22,7 @@
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
#define MINORBITS 20
#define MINORMASK ((1U << MINORBITS) - 1)
diff --git a/tools/lib/traceevent/plugin_kmem.c b/tools/lib/traceevent/plugin_kmem.c
index 73966b05abce..a7a162575e2c 100644
--- a/tools/lib/traceevent/plugin_kmem.c
+++ b/tools/lib/traceevent/plugin_kmem.c
@@ -22,6 +22,7 @@
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
static int call_site_handler(struct trace_seq *s, struct tep_record *record,
struct event_format *event, void *context)
diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c
index 1d0d15906225..a0dfd3d0f197 100644
--- a/tools/lib/traceevent/plugin_kvm.c
+++ b/tools/lib/traceevent/plugin_kvm.c
@@ -23,6 +23,7 @@
#include <stdint.h>
#include "event-parse.h"
+#include "trace-seq.h"
#ifdef HAVE_UDIS86
diff --git a/tools/lib/traceevent/plugin_mac80211.c b/tools/lib/traceevent/plugin_mac80211.c
index de50a5316203..0b7779444b63 100644
--- a/tools/lib/traceevent/plugin_mac80211.c
+++ b/tools/lib/traceevent/plugin_mac80211.c
@@ -22,6 +22,7 @@
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
#define INDENT 65
diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c
index eecb4bd95c11..582d3be2849b 100644
--- a/tools/lib/traceevent/plugin_sched_switch.c
+++ b/tools/lib/traceevent/plugin_sched_switch.c
@@ -22,6 +22,7 @@
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
static void write_state(struct trace_seq *s, int val)
{
diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c
index 5ec346f6b842..4eba25cc1431 100644
--- a/tools/lib/traceevent/plugin_scsi.c
+++ b/tools/lib/traceevent/plugin_scsi.c
@@ -3,6 +3,7 @@
#include <string.h>
#include <inttypes.h>
#include "event-parse.h"
+#include "trace-seq.h"
typedef unsigned long sector_t;
typedef uint64_t u64;
diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c
index b2acbd6e9c86..bc0496e4c296 100644
--- a/tools/lib/traceevent/plugin_xen.c
+++ b/tools/lib/traceevent/plugin_xen.c
@@ -3,6 +3,7 @@
#include <stdlib.h>
#include <string.h>
#include "event-parse.h"
+#include "trace-seq.h"
#define __HYPERVISOR_set_trap_table 0
#define __HYPERVISOR_mmu_update 1
diff --git a/tools/lib/traceevent/trace-seq.c b/tools/lib/traceevent/trace-seq.c
index e3bac4543d3b..8ff1d55954d1 100644
--- a/tools/lib/traceevent/trace-seq.c
+++ b/tools/lib/traceevent/trace-seq.c
@@ -3,6 +3,8 @@
* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@...hat.com>
*
*/
+#include "trace-seq.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
diff --git a/tools/lib/traceevent/trace-seq.h b/tools/lib/traceevent/trace-seq.h
new file mode 100644
index 000000000000..d68ec69f8d1a
--- /dev/null
+++ b/tools/lib/traceevent/trace-seq.h
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@...hat.com>
+ *
+ */
+
+#ifndef _TRACE_SEQ_H
+#define _TRACE_SEQ_H
+
+#include <stdarg.h>
+#include <stdio.h>
+
+/* ----------------------- trace_seq ----------------------- */
+
+#ifndef TRACE_SEQ_BUF_SIZE
+#define TRACE_SEQ_BUF_SIZE 4096
+#endif
+
+enum trace_seq_fail {
+ TRACE_SEQ__GOOD,
+ TRACE_SEQ__BUFFER_POISONED,
+ TRACE_SEQ__MEM_ALLOC_FAILED,
+};
+
+/*
+ * Trace sequences are used to allow a function to call several other functions
+ * to create a string of data to use (up to a max of PAGE_SIZE).
+ */
+
+struct trace_seq {
+ char *buffer;
+ unsigned int buffer_size;
+ unsigned int len;
+ unsigned int readpos;
+ enum trace_seq_fail state;
+};
+
+void trace_seq_init(struct trace_seq *s);
+void trace_seq_reset(struct trace_seq *s);
+void trace_seq_destroy(struct trace_seq *s);
+
+extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 2, 0)));
+
+extern int trace_seq_puts(struct trace_seq *s, const char *str);
+extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
+
+extern void trace_seq_terminate(struct trace_seq *s);
+
+extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp);
+extern int trace_seq_do_printf(struct trace_seq *s);
+
+#endif /* _TRACE_SEQ_H */
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 40204ec3a7a2..c69d77d7cf55 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -3,6 +3,7 @@
#define _PERF_UTIL_TRACE_EVENT_H
#include <traceevent/event-parse.h>
+#include <traceevent/trace-seq.h>
#include "parse-events.h"
struct machine;
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