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[209.51.188.17]) by mx.google.com with ESMTPS id 200si11444106ywi.544.2022.02.09.07.26.33 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 09 Feb 2022 07:26:33 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=hc5a48ld; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:53448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nHorZ-0006qY-4V for patch@linaro.org; Wed, 09 Feb 2022 10:26:33 -0500 Received: from eggs.gnu.org ([209.51.188.92]:48440) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nHnuB-0000l5-OH for qemu-devel@nongnu.org; Wed, 09 Feb 2022 09:25:11 -0500 Received: from [2a00:1450:4864:20::433] (port=43668 helo=mail-wr1-x433.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nHnu8-0001NW-VN for qemu-devel@nongnu.org; Wed, 09 Feb 2022 09:25:11 -0500 Received: by mail-wr1-x433.google.com with SMTP id i14so4307640wrc.10 for ; Wed, 09 Feb 2022 06:25:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wHJdj0cr3nVUIxPJb7r9wUxrO/9wqHSVk6Za08NL7ME=; b=hc5a48ld77peuC7jWlhoHce3wDCwg2MPYoX+NHT3wm9vuxdBjt00QhD+kV2Qg5KiKt 2iw4GTmnNB358zmN0MMbmGhDZFymJBPVddXfRg8VTIXWQqlp1eqxAtSugAf5HVDGJGPS 7VlwFw16H81ulD3ijokvtf8cEoRtAHN+psoS+mgvCzkrC3yzWxnQYx26jz5Uc+6ZXsO3 RXG4JnyqO7DwdZ/WV7/qQUJCm/IVnIEZTMhDyp/XRZ0Hr3WQNpXTPB06t1wXQUihZec7 XQqwOqc8qbNnWodaEOf4w9B49BTq+28sRPFybXjcCtFK1bvLdZ3QupnZ/PbvyWIjeRVO PKxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wHJdj0cr3nVUIxPJb7r9wUxrO/9wqHSVk6Za08NL7ME=; b=RWePKoQ5QVa3AkHhvGWZnb+YvvXWSIUq4rVSDMLeLoJ1h8qvJV0ChurIO6rzVW9mu8 e5ax9kbpawo5UhNtxAYz3iP1O6HVt9+q1TeZWwQV1Zi3m5oJcYyWqHJ9AEltS8OwocyD PNnL4icvIyxxeb66nC1L0FDPPufrIqm1l1Kd2t01Mq/+V+nmBtY1uPn2LJxpwxYWphu9 AVIw5nlnIEDmrxegFYMorTlrvQmMrY/UmbESs0AuyLq9/qJOVimInwlwf/KjY5MQ/mVT ZoKjycYt68EVeeSawKEUwbK1DK0RNozR6kdbQcc8HgQ74BwDh5N6hw6Tq+kWfP0nZOCF WNkw== X-Gm-Message-State: AOAM532X3O7zCTYujT8cqftZILAUdmhz34nfz99nI1U/T2FjZCyK3ZhU kC91cv3fnF/YV6YId2N+Z+LB4jzxZgWZ6w== X-Received: by 2002:a05:6000:18a2:: with SMTP id b2mr2271226wri.310.1644416706049; Wed, 09 Feb 2022 06:25:06 -0800 (PST) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id p27sm5088402wms.39.2022.02.09.06.24.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Feb 2022 06:24:57 -0800 (PST) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 26BFA1FFCC; Wed, 9 Feb 2022 14:15:31 +0000 (GMT) From: =?utf-8?q?Alex_Benn=C3=A9e?= To: peter.maydell@linaro.org Subject: [PULL 20/28] tracing: excise the tcg related from tracetool Date: Wed, 9 Feb 2022 14:15:21 +0000 Message-Id: <20220209141529.3418384-21-alex.bennee@linaro.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220209141529.3418384-1-alex.bennee@linaro.org> References: <20220209141529.3418384-1-alex.bennee@linaro.org> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::433 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , qemu-devel@nongnu.org, Luis Vilanova , Stefan Hajnoczi , Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Now we have no TCG trace events and no longer handle them in the code we can remove the handling from the tracetool to generate them. vcpu tracing is still available although the existing syscall event is an exercise in redundancy (plugins and -strace can also get the information). Signed-off-by: Alex Bennée Reviewed-by: Richard Henderson Cc: Luis Vilanova Cc: Stefan Hajnoczi Message-Id: <20220204204335.1689602-21-alex.bennee@linaro.org> diff --git a/meson.build b/meson.build index 82db1e7e74..ae5f7eec6e 100644 --- a/meson.build +++ b/meson.build @@ -2357,19 +2357,15 @@ tracetool_depends = files( 'scripts/tracetool/backend/simple.py', 'scripts/tracetool/backend/syslog.py', 'scripts/tracetool/backend/ust.py', - 'scripts/tracetool/format/tcg_h.py', 'scripts/tracetool/format/ust_events_c.py', 'scripts/tracetool/format/ust_events_h.py', 'scripts/tracetool/format/__init__.py', 'scripts/tracetool/format/d.py', - 'scripts/tracetool/format/tcg_helper_c.py', 'scripts/tracetool/format/simpletrace_stap.py', 'scripts/tracetool/format/c.py', 'scripts/tracetool/format/h.py', - 'scripts/tracetool/format/tcg_helper_h.py', 'scripts/tracetool/format/log_stap.py', 'scripts/tracetool/format/stap.py', - 'scripts/tracetool/format/tcg_helper_wrapper_h.py', 'scripts/tracetool/__init__.py', 'scripts/tracetool/transform.py', 'scripts/tracetool/vcpu.py' diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h index 1c2e7a8ed3..7b6ca975ef 100644 --- a/include/exec/helper-gen.h +++ b/include/exec/helper-gen.h @@ -79,8 +79,6 @@ static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \ } #include "helper.h" -#include "trace/generated-helpers.h" -#include "trace/generated-helpers-wrappers.h" #include "accel/tcg/tcg-runtime.h" #include "accel/tcg/plugin-helpers.h" diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index 5bc94d95cf..5393c7fc5c 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -87,8 +87,6 @@ def out(*lines, **kwargs): "ssize_t", "uintptr_t", "ptrdiff_t", - # Magic substitution is done by tracetool - "TCGv", ] def validate_type(name): @@ -232,7 +230,7 @@ class Event(object): "(?:(?:(?P\".+),)?\s*(?P\".+))?" "\s*") - _VALID_PROPS = set(["disable", "tcg", "tcg-trans", "tcg-exec", "vcpu"]) + _VALID_PROPS = set(["disable", "vcpu"]) def __init__(self, name, props, fmt, args, lineno, filename, orig=None, event_trans=None, event_exec=None): @@ -321,15 +319,6 @@ def build(line_str, lineno, filename): fmt = [fmt_trans, fmt] args = Arguments.build(groups["args"]) - if "tcg-trans" in props: - raise ValueError("Invalid property 'tcg-trans'") - if "tcg-exec" in props: - raise ValueError("Invalid property 'tcg-exec'") - if "tcg" not in props and not isinstance(fmt, str): - raise ValueError("Only events with 'tcg' property can have two format strings") - if "tcg" in props and isinstance(fmt, str): - raise ValueError("Events with 'tcg' property must have two format strings") - event = Event(name, props, fmt, args, lineno, filename) # add implicit arguments when using the 'vcpu' property @@ -409,33 +398,7 @@ def read_events(fobj, fname): e.args = (arg0,) + e.args[1:] raise - # transform TCG-enabled events - if "tcg" not in event.properties: - events.append(event) - else: - event_trans = event.copy() - event_trans.name += "_trans" - event_trans.properties += ["tcg-trans"] - event_trans.fmt = event.fmt[0] - # ignore TCG arguments - args_trans = [] - for atrans, aorig in zip( - event_trans.transform(tracetool.transform.TCG_2_HOST).args, - event.args): - if atrans == aorig: - args_trans.append(atrans) - event_trans.args = Arguments(args_trans) - - event_exec = event.copy() - event_exec.name += "_exec" - event_exec.properties += ["tcg-exec"] - event_exec.fmt = event.fmt[1] - event_exec.args = event_exec.args.transform(tracetool.transform.TCG_2_HOST) - - new_event = [event_trans, event_exec] - event.event_trans, event.event_exec = new_event - - events.extend(new_event) + events.append(event) return events diff --git a/scripts/tracetool/format/tcg_h.py b/scripts/tracetool/format/tcg_h.py deleted file mode 100644 index 4d84440aff..0000000000 --- a/scripts/tracetool/format/tcg_h.py +++ /dev/null @@ -1,83 +0,0 @@ -# -*- coding: utf-8 -*- - -""" -Generate .h file for TCG code generation. -""" - -__author__ = "Lluís Vilanova " -__copyright__ = "Copyright 2012-2017, Lluís Vilanova " -__license__ = "GPL version 2 or (at your option) any later version" - -__maintainer__ = "Stefan Hajnoczi" -__email__ = "stefanha@redhat.com" - - -from tracetool import out, Arguments -import tracetool.vcpu - - -def vcpu_transform_args(args): - assert len(args) == 1 - return Arguments([ - args, - # NOTE: this name must be kept in sync with the one in "tcg_h" - # NOTE: Current helper code uses TCGv_env (CPUArchState*) - ("TCGv_env", "__tcg_" + args.names()[0]), - ]) - - -def generate(events, backend, group): - if group == "root": - header = "trace/trace-root.h" - else: - header = "trace.h" - - out('/* This file is autogenerated by tracetool, do not edit. */', - '/* You must include this file after the inclusion of helper.h */', - '', - '#ifndef TRACE_%s_GENERATED_TCG_TRACERS_H' % group.upper(), - '#define TRACE_%s_GENERATED_TCG_TRACERS_H' % group.upper(), - '', - '#include "exec/helper-proto.h"', - '#include "%s"' % header, - '', - ) - - for e in events: - # just keep one of them - if "tcg-exec" not in e.properties: - continue - - out('static inline void %(name_tcg)s(%(args)s)', - '{', - name_tcg=e.original.api(e.QEMU_TRACE_TCG), - args=tracetool.vcpu.transform_args("tcg_h", e.original)) - - if "disable" not in e.properties: - args_trans = e.original.event_trans.args - args_exec = tracetool.vcpu.transform_args( - "tcg_helper_c", e.original.event_exec, "wrapper") - if "vcpu" in e.properties: - trace_cpu = e.args.names()[0] - cond = "trace_event_get_vcpu_state(%(cpu)s,"\ - " TRACE_%(id)s)"\ - % dict( - cpu=trace_cpu, - id=e.original.event_exec.name.upper()) - else: - cond = "true" - - out(' %(name_trans)s(%(argnames_trans)s);', - ' if (%(cond)s) {', - ' gen_helper_%(name_exec)s(%(argnames_exec)s);', - ' }', - name_trans=e.original.event_trans.api(e.QEMU_TRACE), - name_exec=e.original.event_exec.api(e.QEMU_TRACE), - argnames_trans=", ".join(args_trans.names()), - argnames_exec=", ".join(args_exec.names()), - cond=cond) - - out('}') - - out('', - '#endif /* TRACE_%s_GENERATED_TCG_TRACERS_H */' % group.upper()) diff --git a/scripts/tracetool/format/tcg_helper_c.py b/scripts/tracetool/format/tcg_helper_c.py deleted file mode 100644 index 72576e67d1..0000000000 --- a/scripts/tracetool/format/tcg_helper_c.py +++ /dev/null @@ -1,79 +0,0 @@ -# -*- coding: utf-8 -*- - -""" -Generate trace/generated-helpers.c. -""" - -__author__ = "Lluís Vilanova " -__copyright__ = "Copyright 2012-2017, Lluís Vilanova " -__license__ = "GPL version 2 or (at your option) any later version" - -__maintainer__ = "Stefan Hajnoczi" -__email__ = "stefanha@redhat.com" - - -from tracetool import Arguments, out -from tracetool.transform import * -import tracetool.vcpu - - -def vcpu_transform_args(args, mode): - assert len(args) == 1 - # NOTE: this name must be kept in sync with the one in "tcg_h" - args = Arguments([(args.types()[0], "__tcg_" + args.names()[0])]) - if mode == "code": - return Arguments([ - # Does cast from helper requirements to tracing types - ("CPUState *", "env_cpu(%s)" % args.names()[0]), - ]) - else: - args = Arguments([ - # NOTE: Current helper code uses TCGv_env (CPUArchState*) - ("CPUArchState *", args.names()[0]), - ]) - if mode == "header": - return args - elif mode == "wrapper": - return args.transform(HOST_2_TCG) - else: - assert False - - -def generate(events, backend, group): - if group == "root": - header = "trace/trace-root.h" - else: - header = "trace.h" - - 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 "cpu.h"', - '#include "exec/helper-proto.h"', - '#include "%s"' % header, - '', - ) - - for e in events: - if "tcg-exec" not in e.properties: - continue - - e_args_api = tracetool.vcpu.transform_args( - "tcg_helper_c", e.original, "header").transform( - HOST_2_TCG_COMPAT, TCG_2_TCG_HELPER_DEF) - e_args_call = tracetool.vcpu.transform_args( - "tcg_helper_c", e, "code") - - out('void %(name_tcg)s(%(args_api)s)', - '{', - # NOTE: the check was already performed at TCG-generation time - ' %(name)s(%(args_call)s);', - '}', - name_tcg="helper_%s_proxy" % e.api(), - name=e.api(e.QEMU_TRACE_NOCHECK), - args_api=e_args_api, - args_call=", ".join(e_args_call.casted()), - ) diff --git a/scripts/tracetool/format/tcg_helper_h.py b/scripts/tracetool/format/tcg_helper_h.py deleted file mode 100644 index 08554fbc85..0000000000 --- a/scripts/tracetool/format/tcg_helper_h.py +++ /dev/null @@ -1,48 +0,0 @@ -# -*- coding: utf-8 -*- - -""" -Generate trace/generated-helpers.h. -""" - -__author__ = "Lluís Vilanova " -__copyright__ = "Copyright 2012-2016, Lluís Vilanova " -__license__ = "GPL version 2 or (at your option) any later version" - -__maintainer__ = "Stefan Hajnoczi" -__email__ = "stefanha@redhat.com" - - -from tracetool import out -from tracetool.transform import * -import tracetool.vcpu - - -def generate(events, backend, group): - events = [e for e in events - if "disable" not in e.properties] - - out('/* This file is autogenerated by tracetool, do not edit. */', - '', - ) - - for e in events: - if "tcg-exec" not in e.properties: - continue - - # TCG helper proxy declaration - fmt = "DEF_HELPER_FLAGS_%(argc)d(%(name)s, %(flags)svoid%(types)s)" - e_args = tracetool.vcpu.transform_args("tcg_helper_c", e.original, "header") - args = e_args.transform(HOST_2_TCG_COMPAT, HOST_2_TCG, - TCG_2_TCG_HELPER_DECL) - types = ", ".join(args.types()) - if types != "": - types = ", " + types - - flags = "TCG_CALL_NO_RWG, " - - out(fmt, - flags=flags, - argc=len(args), - name=e.api() + "_proxy", - types=types, - ) diff --git a/scripts/tracetool/format/tcg_helper_wrapper_h.py b/scripts/tracetool/format/tcg_helper_wrapper_h.py deleted file mode 100644 index 0c5a9797d1..0000000000 --- a/scripts/tracetool/format/tcg_helper_wrapper_h.py +++ /dev/null @@ -1,70 +0,0 @@ -# -*- coding: utf-8 -*- - -""" -Generate trace/generated-helpers-wrappers.h. -""" - -__author__ = "Lluís Vilanova " -__copyright__ = "Copyright 2012-2016, Lluís Vilanova " -__license__ = "GPL version 2 or (at your option) any later version" - -__maintainer__ = "Stefan Hajnoczi" -__email__ = "stefanha@redhat.com" - - -from tracetool import out -from tracetool.transform import * -import tracetool.vcpu - - -def generate(events, backend, group): - events = [e for e in events - if "disable" not in e.properties] - - out('/* This file is autogenerated by tracetool, do not edit. */', - '', - '#define tcg_temp_new_nop(v) (v)', - '#define tcg_temp_free_nop(v)', - '', - ) - - for e in events: - if "tcg-exec" not in e.properties: - continue - - # tracetool.generate always transforms types to host - e_args = tracetool.vcpu.transform_args("tcg_helper_c", e.original, "wrapper") - - # mixed-type to TCG helper bridge - args_tcg_compat = e_args.transform(HOST_2_TCG_COMPAT) - - code_new = [ - "%(tcg_type)s __%(name)s = %(tcg_func)s(%(name)s);" % - {"tcg_type": transform_type(type_, HOST_2_TCG), - "tcg_func": transform_type(type_, HOST_2_TCG_TMP_NEW), - "name": name} - for (type_, name) in args_tcg_compat - ] - - code_free = [ - "%(tcg_func)s(__%(name)s);" % - {"tcg_func": transform_type(type_, HOST_2_TCG_TMP_FREE), - "name": name} - for (type_, name) in args_tcg_compat - ] - - gen_name = "gen_helper_" + e.api() - - out('static inline void %(name)s(%(args)s)', - '{', - ' %(code_new)s', - ' %(proxy_name)s(%(tmp_names)s);', - ' %(code_free)s', - '}', - name=gen_name, - args=e_args, - proxy_name=gen_name + "_proxy", - code_new="\n ".join(code_new), - code_free="\n ".join(code_free), - tmp_names=", ".join(["__%s" % name for _, name in e_args]), - ) diff --git a/scripts/tracetool/vcpu.py b/scripts/tracetool/vcpu.py index 868b4cb04c..d232cb1d06 100644 --- a/scripts/tracetool/vcpu.py +++ b/scripts/tracetool/vcpu.py @@ -19,19 +19,9 @@ def transform_event(event): """Transform event to comply with the 'vcpu' property (if present).""" if "vcpu" in event.properties: - # events with 'tcg-trans' and 'tcg-exec' are auto-generated from - # already-patched events - assert "tcg-trans" not in event.properties - assert "tcg-exec" not in event.properties - event.args = Arguments([("void *", "__cpu"), event.args]) - if "tcg" in event.properties: - fmt = "\"cpu=%p \"" - event.fmt = [fmt + event.fmt[0], - fmt + event.fmt[1]] - else: - fmt = "\"cpu=%p \"" - event.fmt = fmt + event.fmt + fmt = "\"cpu=%p \"" + event.fmt = fmt + event.fmt return event diff --git a/trace/meson.build b/trace/meson.build index 29f3bffd5a..26b54714d5 100644 --- a/trace/meson.build +++ b/trace/meson.build @@ -66,19 +66,6 @@ trace_events_all = custom_target('trace-events-all', install: true, install_dir: qemu_datadir) -foreach d : [ - ['generated-helpers.c', 'tcg-helper-c'], - ['generated-helpers.h', 'tcg-helper-h'], - ['generated-helpers-wrappers.h', 'tcg-helper-wrapper-h'], -] - gen = custom_target(d[0], - output: d[0], - input: meson.project_source_root() / 'trace-events', - command: [ tracetool, '--group=root', '--format=@0@'.format(d[1]), '@INPUT@', '@OUTPUT@' ], - depend_files: tracetool_depends) - specific_ss.add(when: 'CONFIG_TCG', if_true: gen) -endforeach - if 'ust' in get_option('trace_backends') trace_ust_all_h = custom_target('trace-ust-all.h', output: 'trace-ust-all.h',