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[Qemu-devel] [PULL v2 15/20] trace: get rid of generated-events.h/genera
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL v2 15/20] trace: get rid of generated-events.h/generated-events.c |
Date: |
Wed, 12 Oct 2016 10:47:33 +0200 |
From: "Daniel P. Berrange" <address@hidden>
Currently the generated-events.[ch] files contain the
event dstates, constants and TraceEvent structs, while the
generated-tracers.[ch] files contain the actual trace
probe logic. With the removal of usage of the event enums
from the API there is no longer any compelling reason for
the separation between these files. The generated-events.h
content is only ever needed from the generated-tracers.[ch]
files.
The enums/constants/structs from generated-events.[ch] are
thus moved into the generated-tracers.[ch], so that there
is one less file to be generated.
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Lluís Vilanova <address@hidden>
Signed-off-by: Daniel P. Berrange <address@hidden>
Message-id: address@hidden
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
Makefile | 3 --
include/trace-tcg.h | 1 -
include/trace.h | 1 -
scripts/tracetool/format/c.py | 50 ++++++++++++++++++++++++++---
scripts/tracetool/format/events_c.py | 62 ------------------------------------
scripts/tracetool/format/events_h.py | 49 ----------------------------
scripts/tracetool/format/h.py | 20 ++++++++++++
trace/Makefile.objs | 28 +++-------------
trace/control.h | 2 +-
trace/simple.h | 4 ---
10 files changed, 70 insertions(+), 150 deletions(-)
delete mode 100644 scripts/tracetool/format/events_c.py
delete mode 100644 scripts/tracetool/format/events_h.py
diff --git a/Makefile b/Makefile
index 5f6acae..3bcb056 100644
--- a/Makefile
+++ b/Makefile
@@ -56,9 +56,6 @@ GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c
qapi-event.c
GENERATED_HEADERS += qmp-introspect.h
GENERATED_SOURCES += qmp-introspect.c
-GENERATED_HEADERS += trace/generated-events.h
-GENERATED_SOURCES += trace/generated-events.c
-
GENERATED_HEADERS += trace/generated-tracers.h
ifeq ($(findstring dtrace,$(TRACE_BACKENDS)),dtrace)
GENERATED_HEADERS += trace/generated-tracers-dtrace.h
diff --git a/include/trace-tcg.h b/include/trace-tcg.h
index edab4b1..da68608 100644
--- a/include/trace-tcg.h
+++ b/include/trace-tcg.h
@@ -2,6 +2,5 @@
#define TRACE_TCG_H
#include "trace/generated-tcg-tracers.h"
-#include "trace/generated-events.h"
#endif /* TRACE_TCG_H */
diff --git a/include/trace.h b/include/trace.h
index 9a01e44..ac9ff3d 100644
--- a/include/trace.h
+++ b/include/trace.h
@@ -2,6 +2,5 @@
#define TRACE_H
#include "trace/generated-tracers.h"
-#include "trace/generated-events.h"
#endif /* TRACE_H */
diff --git a/scripts/tracetool/format/c.py b/scripts/tracetool/format/c.py
index 699598f..7ac6d4c 100644
--- a/scripts/tracetool/format/c.py
+++ b/scripts/tracetool/format/c.py
@@ -17,12 +17,52 @@ from tracetool import out
def generate(events, backend):
- events = [e for e in events
- if "disable" not in e.properties]
+ active_events = [e for e in events
+ if "disable" not in e.properties]
out('/* This file is autogenerated by tracetool, do not edit. */',
+ '',
+ '#include "qemu/osdep.h"',
+ '#include "trace.h"',
'')
- backend.generate_begin(events)
- for event in events:
+
+ for e in events:
+ out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
+
+ for e in events:
+ if "vcpu" in e.properties:
+ vcpu_id = 0
+ else:
+ vcpu_id = "TRACE_VCPU_EVENT_NONE"
+ out('TraceEvent %(event)s = {',
+ ' .id = 0,',
+ ' .vcpu_id = %(vcpu_id)s,',
+ ' .name = \"%(name)s\",',
+ ' .sstate = %(sstate)s,',
+ ' .dstate = &%(dstate)s ',
+ '};',
+ event = e.api(e.QEMU_EVENT),
+ vcpu_id = vcpu_id,
+ name = e.name,
+ sstate = "TRACE_%s_ENABLED" % e.name.upper(),
+ dstate = e.api(e.QEMU_DSTATE))
+
+ out('TraceEvent *trace_events[] = {')
+
+ for e in events:
+ out(' &%(event)s,', event = e.api(e.QEMU_EVENT))
+
+ out(' NULL,',
+ '};',
+ '')
+
+ out('static void trace_register_events(void)',
+ '{',
+ ' trace_event_register_group(trace_events);',
+ '}',
+ 'trace_init(trace_register_events)')
+
+ backend.generate_begin(active_events)
+ for event in active_events:
backend.generate(event)
- backend.generate_end(events)
+ backend.generate_end(active_events)
diff --git a/scripts/tracetool/format/events_c.py
b/scripts/tracetool/format/events_c.py
deleted file mode 100644
index a976c22..0000000
--- a/scripts/tracetool/format/events_c.py
+++ /dev/null
@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-trace/generated-events.c
-"""
-
-__author__ = "Lluís Vilanova <address@hidden>"
-__copyright__ = "Copyright 2012-2016, Lluís Vilanova <address@hidden>"
-__license__ = "GPL version 2 or (at your option) any later version"
-
-__maintainer__ = "Stefan Hajnoczi"
-__email__ = "address@hidden"
-
-
-from tracetool import out
-
-
-def generate(events, backend):
- out('/* This file is autogenerated by tracetool, do not edit. */',
- '',
- '#include "qemu/osdep.h"',
- '#include "trace.h"',
- '#include "trace/generated-events.h"',
- '#include "trace/control.h"',
- '')
-
- for e in events:
- out('uint16_t %s;' % e.api(e.QEMU_DSTATE))
-
- for e in events:
- if "vcpu" in e.properties:
- vcpu_id = 0
- else:
- vcpu_id = "TRACE_VCPU_EVENT_NONE"
- out('TraceEvent %(event)s = {',
- ' .id = 0,',
- ' .vcpu_id = %(vcpu_id)s,',
- ' .name = \"%(name)s\",',
- ' .sstate = %(sstate)s,',
- ' .dstate = &%(dstate)s ',
- '};',
- event = e.api(e.QEMU_EVENT),
- vcpu_id = vcpu_id,
- name = e.name,
- sstate = "TRACE_%s_ENABLED" % e.name.upper(),
- dstate = e.api(e.QEMU_DSTATE))
-
- out('TraceEvent *trace_events[] = {')
-
- for e in events:
- out(' &%(event)s,', event = e.api(e.QEMU_EVENT))
-
- out(' NULL,',
- '};',
- '')
-
- out('static void trace_register_events(void)',
- '{',
- ' trace_event_register_group(trace_events);',
- '}',
- 'trace_init(trace_register_events)')
diff --git a/scripts/tracetool/format/events_h.py
b/scripts/tracetool/format/events_h.py
deleted file mode 100644
index 1cb332b..0000000
--- a/scripts/tracetool/format/events_h.py
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-trace/generated-events.h
-"""
-
-__author__ = "Lluís Vilanova <address@hidden>"
-__copyright__ = "Copyright 2012-2016, Lluís Vilanova <address@hidden>"
-__license__ = "GPL version 2 or (at your option) any later version"
-
-__maintainer__ = "Stefan Hajnoczi"
-__email__ = "address@hidden"
-
-
-from tracetool import out
-
-
-def generate(events, backend):
- out('/* This file is autogenerated by tracetool, do not edit. */',
- '',
- '#ifndef TRACE__GENERATED_EVENTS_H',
- '#define TRACE__GENERATED_EVENTS_H',
- '',
- '#include "trace/event-internal.h"',
- )
-
- for e in events:
- out('extern TraceEvent %(event)s;',
- event = e.api(e.QEMU_EVENT))
-
- for e in events:
- out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
-
- # static state
- for e in events:
- if 'disable' in e.properties:
- enabled = 0
- else:
- enabled = 1
- if "tcg-exec" in e.properties:
- # a single define for the two "sub-events"
- out('#define TRACE_%(name)s_ENABLED %(enabled)d',
- name=e.original.name.upper(),
- enabled=enabled)
- out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
-
- out('',
- '#endif /* TRACE__GENERATED_EVENTS_H */')
diff --git a/scripts/tracetool/format/h.py b/scripts/tracetool/format/h.py
index 64a6680..f4748c3 100644
--- a/scripts/tracetool/format/h.py
+++ b/scripts/tracetool/format/h.py
@@ -26,6 +26,26 @@ def generate(events, backend):
'#include "trace/control.h"',
'')
+ for e in events:
+ out('extern TraceEvent %(event)s;',
+ event = e.api(e.QEMU_EVENT))
+
+ for e in events:
+ out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
+
+ # static state
+ for e in events:
+ if 'disable' in e.properties:
+ enabled = 0
+ else:
+ enabled = 1
+ if "tcg-exec" in e.properties:
+ # a single define for the two "sub-events"
+ out('#define TRACE_%(name)s_ENABLED %(enabled)d',
+ name=e.original.name.upper(),
+ enabled=enabled)
+ out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
+
backend.generate_begin(events)
for e in events:
diff --git a/trace/Makefile.objs b/trace/Makefile.objs
index 24d3b37..abac333 100644
--- a/trace/Makefile.objs
+++ b/trace/Makefile.objs
@@ -32,32 +32,11 @@ $(obj)/generated-ust.c-timestamp:
$(BUILD_DIR)/trace-events-all $(tracetool-y)
--backends=$(TRACE_BACKENDS) \
< $< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
-$(obj)/generated-events.h: $(obj)/generated-ust-provider.h
-$(obj)/generated-events.c: $(obj)/generated-ust.c
+$(obj)/generated-tracers.h: $(obj)/generated-ust-provider.h
+$(obj)/generated-tracers.c: $(obj)/generated-ust.c
endif
-######################################################################
-# Auto-generated event descriptions
-
-$(obj)/generated-events.h: $(obj)/generated-events.h-timestamp
- @cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-events.h-timestamp: $(BUILD_DIR)/trace-events-all
$(tracetool-y)
- $(call quiet-command,$(TRACETOOL) \
- --format=events-h \
- --backends=$(TRACE_BACKENDS) \
- < $< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
-
-$(obj)/generated-events.c: $(obj)/generated-events.c-timestamp
$(BUILD_DIR)/config-host.mak
- @cmp $< $@ >/dev/null 2>&1 || cp $< $@
-$(obj)/generated-events.c-timestamp: $(BUILD_DIR)/trace-events-all
$(tracetool-y)
- $(call quiet-command,$(TRACETOOL) \
- --format=events-c \
- --backends=$(TRACE_BACKENDS) \
- < $< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
-
-util-obj-y += generated-events.o
-
######################################################################
# Auto-generated tracing routines
@@ -154,7 +133,8 @@ $(obj)/generated-tcg-tracers.h-timestamp:
$(BUILD_DIR)/trace-events-all $(BUILD_
######################################################################
# Backend code
-util-obj-$(CONFIG_TRACE_SIMPLE) += simple.o generated-tracers.o
+util-obj-y += generated-tracers.o
+util-obj-$(CONFIG_TRACE_SIMPLE) += simple.o
util-obj-$(CONFIG_TRACE_FTRACE) += ftrace.o
util-obj-$(CONFIG_TRACE_UST) += generated-ust.o
util-obj-y += control.o
diff --git a/trace/control.h b/trace/control.h
index 69635bf..ccaeac8 100644
--- a/trace/control.h
+++ b/trace/control.h
@@ -11,7 +11,7 @@
#define TRACE__CONTROL_H
#include "qemu-common.h"
-#include "trace/generated-events.h"
+#include "event-internal.h"
typedef struct TraceEventIter {
size_t event;
diff --git a/trace/simple.h b/trace/simple.h
index 17ce472..9931808 100644
--- a/trace/simple.h
+++ b/trace/simple.h
@@ -11,10 +11,6 @@
#ifndef TRACE_SIMPLE_H
#define TRACE_SIMPLE_H
-
-#include "trace/generated-events.h"
-
-
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
void st_set_trace_file(const char *file);
--
2.7.4
- [Qemu-devel] [PULL v2 05/20] trace: remove global 'uint16 dstate[]' array, (continued)
- [Qemu-devel] [PULL v2 05/20] trace: remove global 'uint16 dstate[]' array, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 06/20] trace: remove duplicate control.h includes in generated-tracers.h, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 07/20] trace: break circular dependency in event-internal.h, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 08/20] trace: give each trace event a named TraceEvent struct, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 09/20] trace: remove the TraceEventID and TraceEventVCPUID enums, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 10/20] trace: emit name <-> ID mapping in simpletrace header, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 11/20] trace: don't abort qemu if ftrace can't be initialized, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 12/20] trace: provide mechanism for registering trace events, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 13/20] trace: dynamically allocate trace_dstate in CPUState, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 14/20] trace: dynamically allocate event IDs at runtime, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 15/20] trace: get rid of generated-events.h/generated-events.c,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL v2 16/20] trace: rename _read_events to read_events, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 17/20] trace: push reading of events up a level to tracetool main, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 18/20] trace: pass trace-events to tracetool as a positional param, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 20/20] trace: Add missing execution mode of guest events, Stefan Hajnoczi, 2016/10/12
- [Qemu-devel] [PULL v2 19/20] trace: introduce a formal group name for trace events, Stefan Hajnoczi, 2016/10/12
- Re: [Qemu-devel] [PULL v2 00/20] Tracing patches, Peter Maydell, 2016/10/12