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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id y9-20020a17090322c900b001bc676df6a9sm1855118plg.132.2023.10.03.10.34.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 10:34:42 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Philipp?= =?utf-8?q?e_Mathieu-Daud=C3=A9?= , Paolo Bonzini Subject: [PULL 45/47] build: Remove --enable-gprof Date: Tue, 3 Oct 2023 10:30:50 -0700 Message-Id: <20231003173052.1601813-46-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231003173052.1601813-1-richard.henderson@linaro.org> References: <20231003173052.1601813-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org This build option has been deprecated since 8.0. Remove all CONFIG_GPROF code that depends on that, including one errant check using TARGET_GPROF. Acked-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Acked-by: Paolo Bonzini Signed-off-by: Richard Henderson --- docs/about/deprecated.rst | 14 -------------- meson.build | 12 ------------ bsd-user/bsd-proc.h | 3 --- bsd-user/signal.c | 5 ----- linux-user/exit.c | 6 ------ linux-user/signal.c | 5 ----- meson_options.txt | 3 --- scripts/meson-buildoptions.sh | 3 --- tests/qemu-iotests/meson.build | 2 +- 9 files changed, 1 insertion(+), 52 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 2f51cf770a..3b074b9ed4 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -20,20 +20,6 @@ they were first deprecated in the 2.10.0 release. What follows is a list of all features currently marked as deprecated. -Build options -------------- - -``gprof`` builds (since 8.0) -'''''''''''''''''''''''''''' - -The ``--enable-gprof`` configure setting relies on compiler -instrumentation to gather its data which can distort the generated -profile. As other non-instrumenting tools are available that give a -more holistic view of the system with non-instrumented binaries we are -deprecating the build option and no longer defend it in CI. The -``--enable-gcov`` build option remains for analysis test case -coverage. - System emulator command line arguments -------------------------------------- diff --git a/meson.build b/meson.build index 12df8fe0de..b8bb69f9ea 100644 --- a/meson.build +++ b/meson.build @@ -254,11 +254,6 @@ if host_arch == 'i386' and not cc.links(''' qemu_common_flags = ['-march=i486'] + qemu_common_flags endif -if get_option('gprof') - qemu_common_flags += ['-p'] - qemu_ldflags += ['-p'] -endif - if get_option('prefer_static') qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static' endif @@ -2214,7 +2209,6 @@ config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock')) config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex')) config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage')) config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg')) -config_host_data.set('CONFIG_GPROF', get_option('gprof')) config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed()) config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug')) config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed()) @@ -4128,12 +4122,6 @@ summary_info += {'memory allocator': get_option('malloc')} summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')} summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')} summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')} -if get_option('gprof') - gprof_info = 'YES (deprecated)' -else - gprof_info = get_option('gprof') -endif -summary_info += {'gprof': gprof_info} summary_info += {'gcov': get_option('b_coverage')} summary_info += {'thread sanitizer': get_option('tsan')} summary_info += {'CFI support': get_option('cfi')} diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h index a1061bffb8..0e1d461c4c 100644 --- a/bsd-user/bsd-proc.h +++ b/bsd-user/bsd-proc.h @@ -25,9 +25,6 @@ /* exit(2) */ static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1) { -#ifdef TARGET_GPROF - _mcleanup(); -#endif gdb_exit(arg1); qemu_plugin_user_exit(); _exit(arg1); diff --git a/bsd-user/signal.c b/bsd-user/signal.c index dc5ad06a78..9ebff382f6 100644 --- a/bsd-user/signal.c +++ b/bsd-user/signal.c @@ -848,11 +848,6 @@ void signal_init(void) act.sa_flags = SA_SIGINFO; for (i = 1; i <= TARGET_NSIG; i++) { -#ifdef CONFIG_GPROF - if (i == TARGET_SIGPROF) { - continue; - } -#endif host_sig = target_to_host_signal(i); sigaction(host_sig, NULL, &oact); if (oact.sa_sigaction == (void *)SIG_IGN) { diff --git a/linux-user/exit.c b/linux-user/exit.c index 3017d28a3c..50266314e0 100644 --- a/linux-user/exit.c +++ b/linux-user/exit.c @@ -22,9 +22,6 @@ #include "qemu.h" #include "user-internals.h" #include "qemu/plugin.h" -#ifdef CONFIG_GPROF -#include -#endif #ifdef CONFIG_GCOV extern void __gcov_dump(void); @@ -32,9 +29,6 @@ extern void __gcov_dump(void); void preexit_cleanup(CPUArchState *env, int code) { -#ifdef CONFIG_GPROF - _mcleanup(); -#endif #ifdef CONFIG_GCOV __gcov_dump(); #endif diff --git a/linux-user/signal.c b/linux-user/signal.c index a7ba2ccaf4..a67ab47d30 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -588,11 +588,6 @@ void signal_init(void) act.sa_flags = SA_SIGINFO; act.sa_sigaction = host_signal_handler; for(i = 1; i <= TARGET_NSIG; i++) { -#ifdef CONFIG_GPROF - if (i == TARGET_SIGPROF) { - continue; - } -#endif host_sig = target_to_host_signal(i); sigaction(host_sig, NULL, &oact); if (oact.sa_sigaction == (void *)SIG_IGN) { diff --git a/meson_options.txt b/meson_options.txt index 57e265c871..6a17b90968 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -348,9 +348,6 @@ option('debug_stack_usage', type: 'boolean', value: false, description: 'measure coroutine stack usage') option('qom_cast_debug', type: 'boolean', value: true, description: 'cast debugging support') -option('gprof', type: 'boolean', value: false, - description: 'QEMU profiling with gprof', - deprecated: true) option('slirp_smbd', type : 'feature', value : 'auto', description: 'use smbd (at path --smbd=*) in slirp networking') diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh index e4b46d5715..2a74b0275b 100644 --- a/scripts/meson-buildoptions.sh +++ b/scripts/meson-buildoptions.sh @@ -34,7 +34,6 @@ meson_options_help() { printf "%s\n" ' (choices: auto/disabled/enabled/internal/system)' printf "%s\n" ' --enable-fuzzing build fuzzing targets' printf "%s\n" ' --enable-gcov Enable coverage tracking.' - printf "%s\n" ' --enable-gprof QEMU profiling with gprof' printf "%s\n" ' --enable-lto Use link time optimization' printf "%s\n" ' --enable-malloc=CHOICE choose memory allocator to use [system] (choices:' printf "%s\n" ' jemalloc/system/tcmalloc)' @@ -309,8 +308,6 @@ _meson_option_parse() { --disable-glusterfs) printf "%s" -Dglusterfs=disabled ;; --enable-gnutls) printf "%s" -Dgnutls=enabled ;; --disable-gnutls) printf "%s" -Dgnutls=disabled ;; - --enable-gprof) printf "%s" -Dgprof=true ;; - --disable-gprof) printf "%s" -Dgprof=false ;; --enable-gtk) printf "%s" -Dgtk=enabled ;; --disable-gtk) printf "%s" -Dgtk=disabled ;; --enable-gtk-clipboard) printf "%s" -Dgtk_clipboard=enabled ;; diff --git a/tests/qemu-iotests/meson.build b/tests/qemu-iotests/meson.build index 44761e1e4d..53847cb98f 100644 --- a/tests/qemu-iotests/meson.build +++ b/tests/qemu-iotests/meson.build @@ -1,4 +1,4 @@ -if not have_tools or targetos == 'windows' or get_option('gprof') +if not have_tools or targetos == 'windows' subdir_done() endif