From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicholas Piggin Date: Fri, 9 Feb 2024 19:11:32 +1000 Subject: [kvm-unit-tests PATCH v4 6/8] migration: Add quiet migration support In-Reply-To: <20240209091134.600228-1-npiggin@gmail.com> References: <20240209091134.600228-1-npiggin@gmail.com> Message-ID: <20240209091134.600228-7-npiggin@gmail.com> List-Id: To: kvm-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Console output required to support migration becomes quite noisy when doing lots of migrations. Provide a migrate_quiet() call that suppresses console output and doesn't log a message. Signed-off-by: Nicholas Piggin --- lib/migrate.c | 11 +++++++++++ lib/migrate.h | 1 + scripts/arch-run.bash | 4 ++-- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/lib/migrate.c b/lib/migrate.c index b7721659..92d1d957 100644 --- a/lib/migrate.c +++ b/lib/migrate.c @@ -18,6 +18,17 @@ void migrate(void) report_info("Migration complete"); } +/* + * Like migrate() but suppress output and logs, useful for intensive + * migration stress testing without polluting logs. Test cases should + * provide relevant information about migration in failure reports. + */ +void migrate_quiet(void) +{ + puts("Now migrate the VM (quiet)\n"); + (void)getchar(); +} + /* * Initiate migration and wait for it to complete. * If this function is called more than once, it is a no-op. diff --git a/lib/migrate.h b/lib/migrate.h index 2af06a72..95b9102b 100644 --- a/lib/migrate.h +++ b/lib/migrate.h @@ -7,4 +7,5 @@ */ void migrate(void); +void migrate_quiet(void); void migrate_once(void); diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash index c98429e8..0a98e512 100644 --- a/scripts/arch-run.bash +++ b/scripts/arch-run.bash @@ -152,7 +152,7 @@ run_migration () -chardev socket,id=mon,path=${src_qmp},server=on,wait=off \ -mon chardev=mon,mode=control > ${src_outfifo} & live_pid=$! - cat ${src_outfifo} | tee ${src_out} & + cat ${src_outfifo} | tee ${src_out} | grep -v "Now migrate the VM (quiet)" & # Start the first destination QEMU machine in advance of the test # reaching the migration point, since we expect at least one migration. @@ -190,7 +190,7 @@ do_migration () -mon chardev=mon,mode=control -incoming unix:${dst_incoming} \ < <(cat ${dst_infifo}) > ${dst_outfifo} & incoming_pid=$! - cat ${dst_outfifo} | tee ${dst_out} & + cat ${dst_outfifo} | tee ${dst_out} | grep -v "Now migrate the VM (quiet)" & # The test must prompt the user to migrate, so wait for the # "Now migrate VM" console message. -- 2.42.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f171.google.com (mail-pf1-f171.google.com [209.85.210.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F51A664B1 for ; 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Provide a migrate_quiet() call that suppresses console output and doesn't log a message. Signed-off-by: Nicholas Piggin --- lib/migrate.c | 11 +++++++++++ lib/migrate.h | 1 + scripts/arch-run.bash | 4 ++-- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/lib/migrate.c b/lib/migrate.c index b7721659..92d1d957 100644 --- a/lib/migrate.c +++ b/lib/migrate.c @@ -18,6 +18,17 @@ void migrate(void) report_info("Migration complete"); } +/* + * Like migrate() but suppress output and logs, useful for intensive + * migration stress testing without polluting logs. Test cases should + * provide relevant information about migration in failure reports. + */ +void migrate_quiet(void) +{ + puts("Now migrate the VM (quiet)\n"); + (void)getchar(); +} + /* * Initiate migration and wait for it to complete. * If this function is called more than once, it is a no-op. diff --git a/lib/migrate.h b/lib/migrate.h index 2af06a72..95b9102b 100644 --- a/lib/migrate.h +++ b/lib/migrate.h @@ -7,4 +7,5 @@ */ void migrate(void); +void migrate_quiet(void); void migrate_once(void); diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash index c98429e8..0a98e512 100644 --- a/scripts/arch-run.bash +++ b/scripts/arch-run.bash @@ -152,7 +152,7 @@ run_migration () -chardev socket,id=mon,path=${src_qmp},server=on,wait=off \ -mon chardev=mon,mode=control > ${src_outfifo} & live_pid=$! - cat ${src_outfifo} | tee ${src_out} & + cat ${src_outfifo} | tee ${src_out} | grep -v "Now migrate the VM (quiet)" & # Start the first destination QEMU machine in advance of the test # reaching the migration point, since we expect at least one migration. @@ -190,7 +190,7 @@ do_migration () -mon chardev=mon,mode=control -incoming unix:${dst_incoming} \ < <(cat ${dst_infifo}) > ${dst_outfifo} & incoming_pid=$! - cat ${dst_outfifo} | tee ${dst_out} & + cat ${dst_outfifo} | tee ${dst_out} | grep -v "Now migrate the VM (quiet)" & # The test must prompt the user to migrate, so wait for the # "Now migrate VM" console message. -- 2.42.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0A7BC48297 for ; 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Fri, 09 Feb 2024 01:12:29 -0800 (PST) From: Nicholas Piggin To: Thomas Huth Subject: [kvm-unit-tests PATCH v4 6/8] migration: Add quiet migration support Date: Fri, 9 Feb 2024 19:11:32 +1000 Message-ID: <20240209091134.600228-7-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240209091134.600228-1-npiggin@gmail.com> References: <20240209091134.600228-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , linux-s390@vger.kernel.org, Nico Boehr , Janosch Frank , kvm@vger.kernel.org, David Hildenbrand , linuxppc-dev@lists.ozlabs.org, Shaoqin Huang , Nicholas Piggin , Andrew Jones , Eric Auger , Marc Hartmayer , kvm-riscv@lists.infradead.org, kvmarm@lists.linux.dev, Paolo Bonzini , Claudio Imbrenda , Alexandru Elisei Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Console output required to support migration becomes quite noisy when doing lots of migrations. Provide a migrate_quiet() call that suppresses console output and doesn't log a message. Signed-off-by: Nicholas Piggin --- lib/migrate.c | 11 +++++++++++ lib/migrate.h | 1 + scripts/arch-run.bash | 4 ++-- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/lib/migrate.c b/lib/migrate.c index b7721659..92d1d957 100644 --- a/lib/migrate.c +++ b/lib/migrate.c @@ -18,6 +18,17 @@ void migrate(void) report_info("Migration complete"); } +/* + * Like migrate() but suppress output and logs, useful for intensive + * migration stress testing without polluting logs. Test cases should + * provide relevant information about migration in failure reports. + */ +void migrate_quiet(void) +{ + puts("Now migrate the VM (quiet)\n"); + (void)getchar(); +} + /* * Initiate migration and wait for it to complete. * If this function is called more than once, it is a no-op. diff --git a/lib/migrate.h b/lib/migrate.h index 2af06a72..95b9102b 100644 --- a/lib/migrate.h +++ b/lib/migrate.h @@ -7,4 +7,5 @@ */ void migrate(void); +void migrate_quiet(void); void migrate_once(void); diff --git a/scripts/arch-run.bash b/scripts/arch-run.bash index c98429e8..0a98e512 100644 --- a/scripts/arch-run.bash +++ b/scripts/arch-run.bash @@ -152,7 +152,7 @@ run_migration () -chardev socket,id=mon,path=${src_qmp},server=on,wait=off \ -mon chardev=mon,mode=control > ${src_outfifo} & live_pid=$! - cat ${src_outfifo} | tee ${src_out} & + cat ${src_outfifo} | tee ${src_out} | grep -v "Now migrate the VM (quiet)" & # Start the first destination QEMU machine in advance of the test # reaching the migration point, since we expect at least one migration. @@ -190,7 +190,7 @@ do_migration () -mon chardev=mon,mode=control -incoming unix:${dst_incoming} \ < <(cat ${dst_infifo}) > ${dst_outfifo} & incoming_pid=$! - cat ${dst_outfifo} | tee ${dst_out} & + cat ${dst_outfifo} | tee ${dst_out} | grep -v "Now migrate the VM (quiet)" & # The test must prompt the user to migrate, so wait for the # "Now migrate VM" console message. -- 2.42.0