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xemu/trace/Makefile.objs

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build: Use separate makefile for "trace/" Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> -- Changes in v2: * Do not depend on "qemu-timer-common.o". * Use "$(obj)" in rules to refer to the build sub-directory. * Remove dependencies against "$(GENERATED_HEADERS)". Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-14 19:13:09 +00:00
# -*- mode: makefile -*-
trace: switch to modular code generation for sub-directories Introduce rules in the top level Makefile that are able to generate trace.[ch] files in every subdirectory which has a trace-events file. The top level directory is handled specially, so instead of creating trace.h, it creates trace-root.h. This allows sub-directories to include the top level trace-root.h file, without ambiguity wrt to the trace.g file in the current sub-dir. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-7-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-25 16:14:15 +00:00
$(BUILD_DIR)/trace-events-all: $(trace-events-files)
trace: add build framework for merging trace-events files Switch make rules over to use trace-events-all as the master trace events input file. Add rule that will construct trace-events-all from $(trace-events-y). Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1466066426-16657-2-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-06-16 08:39:47 +00:00
$(call quiet-command,cat $^ > $@)
build: Use separate makefile for "trace/" Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> -- Changes in v2: * Do not depend on "qemu-timer-common.o". * Use "$(obj)" in rules to refer to the build sub-directory. * Remove dependencies against "$(GENERATED_HEADERS)". Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-14 19:13:09 +00:00
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
##################################################
# Translation level
trace: [tcg] Define TCG tracing helper routine wrappers Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG helper wrappers. These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native and TCG argument types to TCG types and call the actual TCG helpers ('gen_helper_trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:01 +00:00
$(obj)/generated-helpers-wrappers.h: $(obj)/generated-helpers-wrappers.h-timestamp
trace: fix make foo-timestamp rules The Makefile uses intermediate timestamp files to avoid rebuilding if tracetool output is unchanged. Timestamps are implemented incorrectly. This was fixed for rules.mak in commit 4b25966ab976f3a7fd9008193b2defcc82f8f04d ("rules.mak: cleanup config generation rules") but never fixed in trace/Makefile.objs. The problem with the old timestamp implementation was that make doesn't notice the updated file modification time until the next time it is run. It was necessary to run make twice in a row to achieve a full rebuild. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-10-28 14:45:10 +00:00
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
$(obj)/generated-helpers-wrappers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
trace: [tcg] Define TCG tracing helper routine wrappers Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG helper wrappers. These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native and TCG argument types to TCG types and call the actual TCG helpers ('gen_helper_trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:01 +00:00
$(call quiet-command,$(TRACETOOL) \
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
--group=root \
trace: [tcg] Define TCG tracing helper routine wrappers Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG helper wrappers. These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native and TCG argument types to TCG types and call the actual TCG helpers ('gen_helper_trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:01 +00:00
--format=tcg-helper-wrapper-h \
--backend=$(TRACE_BACKENDS) \
trace: pass trace-events to tracetool as a positional param Instead of reading the contents of 'trace-events' from stdin, accept the filename as a positional parameter. This also allows for reading from multiple files, though this facility is not used at this time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-20-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-10-04 13:35:58 +00:00
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
trace: [tcg] Define TCG tracing helper routine wrappers Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG helper wrappers. These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native and TCG argument types to TCG types and call the actual TCG helpers ('gen_helper_trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:01 +00:00
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
$(obj)/generated-helpers.h: $(obj)/generated-helpers.h-timestamp
trace: fix make foo-timestamp rules The Makefile uses intermediate timestamp files to avoid rebuilding if tracetool output is unchanged. Timestamps are implemented incorrectly. This was fixed for rules.mak in commit 4b25966ab976f3a7fd9008193b2defcc82f8f04d ("rules.mak: cleanup config generation rules") but never fixed in trace/Makefile.objs. The problem with the old timestamp implementation was that make doesn't notice the updated file modification time until the next time it is run. It was necessary to run make twice in a row to achieve a full rebuild. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-10-28 14:45:10 +00:00
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
$(obj)/generated-helpers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
$(call quiet-command,$(TRACETOOL) \
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
--group=root \
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
--format=tcg-helper-h \
--backend=$(TRACE_BACKENDS) \
trace: pass trace-events to tracetool as a positional param Instead of reading the contents of 'trace-events' from stdin, accept the filename as a positional parameter. This also allows for reading from multiple files, though this facility is not used at this time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-20-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-10-04 13:35:58 +00:00
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
trace: [tcg] Define TCG tracing helper routines Generates file "trace/generated-helpers.c" with TCG helper definitions to trace events in guest code at execution time. The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native argument types to their original types (as defined in "trace-events") and call the tracing routine ('trace_${event}_exec'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:56 +00:00
$(obj)/generated-helpers.c: $(obj)/generated-helpers.c-timestamp
trace: fix make foo-timestamp rules The Makefile uses intermediate timestamp files to avoid rebuilding if tracetool output is unchanged. Timestamps are implemented incorrectly. This was fixed for rules.mak in commit 4b25966ab976f3a7fd9008193b2defcc82f8f04d ("rules.mak: cleanup config generation rules") but never fixed in trace/Makefile.objs. The problem with the old timestamp implementation was that make doesn't notice the updated file modification time until the next time it is run. It was necessary to run make twice in a row to achieve a full rebuild. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-10-28 14:45:10 +00:00
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
$(obj)/generated-helpers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
trace: [tcg] Define TCG tracing helper routines Generates file "trace/generated-helpers.c" with TCG helper definitions to trace events in guest code at execution time. The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native argument types to their original types (as defined in "trace-events") and call the tracing routine ('trace_${event}_exec'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:56 +00:00
$(call quiet-command,$(TRACETOOL) \
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
--group=root \
trace: [tcg] Define TCG tracing helper routines Generates file "trace/generated-helpers.c" with TCG helper definitions to trace events in guest code at execution time. The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native argument types to their original types (as defined in "trace-events") and call the tracing routine ('trace_${event}_exec'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:56 +00:00
--format=tcg-helper-c \
--backend=$(TRACE_BACKENDS) \
trace: pass trace-events to tracetool as a positional param Instead of reading the contents of 'trace-events' from stdin, accept the filename as a positional parameter. This also allows for reading from multiple files, though this facility is not used at this time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-20-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-10-04 13:35:58 +00:00
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
trace: [tcg] Define TCG tracing helper routines Generates file "trace/generated-helpers.c" with TCG helper definitions to trace events in guest code at execution time. The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native argument types to their original types (as defined in "trace-events") and call the tracing routine ('trace_${event}_exec'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:56 +00:00
$(obj)/generated-helpers.o: $(obj)/generated-helpers.c
target-obj-y += generated-helpers.o
trace: [tcg] Declare TCG tracing helper routines Generates file "trace/generated-helpers.h" with TCG helper declarations to trace events in guest code at execution time ('trace_${event}_exec_proxy'). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:11:50 +00:00
trace: [tcg] Generate TCG tracing routines Generate header "trace/generated-tcg-tracers.h" with the necessary routines for tracing events in guest code: * trace_${event}_tcg Convenience wrapper that calls the translation-time tracer 'trace_${event}_trans', and calls 'gen_helper_trace_${event}_exec to generate the TCG code to later trace the event at execution time. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:13 +00:00
$(obj)/generated-tcg-tracers.h: $(obj)/generated-tcg-tracers.h-timestamp
trace: fix make foo-timestamp rules The Makefile uses intermediate timestamp files to avoid rebuilding if tracetool output is unchanged. Timestamps are implemented incorrectly. This was fixed for rules.mak in commit 4b25966ab976f3a7fd9008193b2defcc82f8f04d ("rules.mak: cleanup config generation rules") but never fixed in trace/Makefile.objs. The problem with the old timestamp implementation was that make doesn't notice the updated file modification time until the next time it is run. It was necessary to run make twice in a row to achieve a full rebuild. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-10-28 14:45:10 +00:00
@cmp $< $@ >/dev/null 2>&1 || cp $< $@
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
$(obj)/generated-tcg-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak $(tracetool-y)
trace: [tcg] Generate TCG tracing routines Generate header "trace/generated-tcg-tracers.h" with the necessary routines for tracing events in guest code: * trace_${event}_tcg Convenience wrapper that calls the translation-time tracer 'trace_${event}_trans', and calls 'gen_helper_trace_${event}_exec to generate the TCG code to later trace the event at execution time. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:13 +00:00
$(call quiet-command,$(TRACETOOL) \
trace: fix tcg tracing build breakage Commit 0ab8ed18a6fe98bfc82705b0f041fbf2a8ca5b60 ("trace: switch to modular code generation for sub-directories") forgot to convert "tcg" trace events to the modular code generation approach where each sub-directory has its own trace-events file. This patch fixes compilation for "tcg" trace events. Currently they are only used in the root ./trace-events file. "tcg" trace events can only be used in the root ./trace-events file for the time being. Reported-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170327131718.18268-1-stefanha@redhat.com Suggested-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-27 13:17:18 +00:00
--group=root \
trace: [tcg] Generate TCG tracing routines Generate header "trace/generated-tcg-tracers.h" with the necessary routines for tracing events in guest code: * trace_${event}_tcg Convenience wrapper that calls the translation-time tracer 'trace_${event}_trans', and calls 'gen_helper_trace_${event}_exec to generate the TCG code to later trace the event at execution time. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:13 +00:00
--format=tcg-h \
--backend=$(TRACE_BACKENDS) \
trace: pass trace-events to tracetool as a positional param Instead of reading the contents of 'trace-events' from stdin, accept the filename as a positional parameter. This also allows for reading from multiple files, though this facility is not used at this time. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-20-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-10-04 13:35:58 +00:00
$< > $@,"GEN","$(patsubst %-timestamp,%,$@)")
trace: [tcg] Generate TCG tracing routines Generate header "trace/generated-tcg-tracers.h" with the necessary routines for tracing events in guest code: * trace_${event}_tcg Convenience wrapper that calls the translation-time tracer 'trace_${event}_trans', and calls 'gen_helper_trace_${event}_exec to generate the TCG code to later trace the event at execution time. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-05-30 12:12:13 +00:00
build: Use separate makefile for "trace/" Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> -- Changes in v2: * Do not depend on "qemu-timer-common.o". * Use "$(obj)" in rules to refer to the build sub-directory. * Remove dependencies against "$(GENERATED_HEADERS)". Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-12-14 19:13:09 +00:00
######################################################################
# Backend code
trace: get rid of generated-events.h/generated-events.c 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 <stefanha@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 1475588159-30598-17-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-10-04 13:35:55 +00:00
util-obj-$(CONFIG_TRACE_SIMPLE) += simple.o
trace: Add ftrace tracing backend This patch adds a ftrace tracing backend which sends trace event to ftrace marker file. You can effectively compare qemu trace data and kernel(especially, kvm.ko when using KVM) trace data. The ftrace backend is restricted to Linux only. To try out the ftrace backend: $ ./configure --trace-backend=ftrace $ make if you use KVM, enable kvm events in ftrace: # sudo echo 1 > /sys/kernel/debug/tracing/events/kvm/enable After running qemu by root user, you can get the trace: # cat /sys/kernel/debug/tracing/trace Signed-off-by: Eiichi Tsukata <eiichi.tsukata.xh@hitachi.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-11 11:25:15 +00:00
util-obj-$(CONFIG_TRACE_FTRACE) += ftrace.o
build: fold trace-obj-y into libqemuutil.a Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-21 08:45:20 +00:00
util-obj-y += control.o
trace: Add per-vCPU tracing states for events with the 'vcpu' property Each vCPU gets a 'trace_dstate' bitmap to control the per-vCPU dynamic tracing state of events with the 'vcpu' property. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-07-11 10:53:41 +00:00
target-obj-y += control-target.o
trace: [qmp] Add commands to query and control event tracing state Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 20140825111957.31112.31733.stgit@fimbulvetr.bsc.es Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-25 11:19:57 +00:00
util-obj-y += qmp.o
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