[PATCH v2 8/8] qemu: add 'auto_start_delay' configuration parameter

This allows a user specified delay between autostart of each VM, giving parity with the equivalent feature of libvirt-guests. Reviewed-by: Peter Krempa <pkrempa(a)redhat.com&gt; Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/qemu/libvirtd_qemu.aug | 1 + src/qemu/qemu.conf.in | 5 +++++ src/qemu/qemu_conf.c | 2 ++ src/qemu/qemu_conf.h | 1 + src/qemu/qemu_driver.c | 1 + src/qemu/test_libvirtd_qemu.aug.in | 1 + 6 files changed, 11 insertions(+) diff --git a/src/qemu/libvirtd_qemu.aug b/src/qemu/libvirtd_qemu.aug index 1377fd89cc..642093c40b 100644 --- a/src/qemu/libvirtd_qemu.aug +++ b/src/qemu/libvirtd_qemu.aug @@ -97,6 +97,7 @@ module Libvirtd_qemu = | str_entry "auto_dump_path" | bool_entry "auto_dump_bypass_cache" | bool_entry "auto_start_bypass_cache" + | int_entry "auto_start_delay" let process_entry = str_entry "hugetlbfs_mount" | str_entry "bridge_helper" diff --git a/src/qemu/qemu.conf.in b/src/qemu/qemu.conf.in index d853136f10..31172303dc 100644 --- a/src/qemu/qemu.conf.in +++ b/src/qemu/qemu.conf.in @@ -634,6 +634,11 @@ # #auto_start_bypass_cache = 0 +# Delay in milliseconds between initiating the startup for +# each VM, during autostart +# +#auto_start_delay = 0 + # If provided by the host and a hugetlbfs mount point is configured, # a guest may request huge page backing. When this mount point is # unspecified here, determination of a host mount point in /proc/mounts diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index 8b9fe4e381..b73dda7e10 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -638,6 +638,8 @@ virQEMUDriverConfigLoadSaveEntry(virQEMUDriverConfig *cfg, return -1; if (virConfGetValueBool(conf, "auto_start_bypass_cache", &cfg->autoStartBypassCache) < 0) return -1; + if (virConfGetValueUInt(conf, "auto_start_delay", &cfg->autoStartDelayMS) < 0) + return -1; return 0; } diff --git a/src/qemu/qemu_conf.h b/src/qemu/qemu_conf.h index 42cdb6f883..97214f72d0 100644 --- a/src/qemu/qemu_conf.h +++ b/src/qemu/qemu_conf.h @@ -200,6 +200,7 @@ struct _virQEMUDriverConfig { char *autoDumpPath; bool autoDumpBypassCache; bool autoStartBypassCache; + unsigned int autoStartDelayMS; char *lockManagerName; diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 0a4e423e70..1bdf3c1622 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -887,6 +887,7 @@ qemuStateInitialize(bool privileged, .stateDir = cfg->stateDir, .callback = qemuAutostartDomain, .opaque = qemu_driver, + .delayMS = cfg->autoStartDelayMS, }; virDomainDriverAutoStart(qemu_driver->domains, &autostartCfg); diff --git a/src/qemu/test_libvirtd_qemu.aug.in b/src/qemu/test_libvirtd_qemu.aug.in index 69fdae215a..c2a1d7d829 100644 --- a/src/qemu/test_libvirtd_qemu.aug.in +++ b/src/qemu/test_libvirtd_qemu.aug.in @@ -75,6 +75,7 @@ module Test_libvirtd_qemu = { "auto_dump_path" = "/var/lib/libvirt/qemu/dump" } { "auto_dump_bypass_cache" = "0" } { "auto_start_bypass_cache" = "0" } +{ "auto_start_delay" = "0" } { "hugetlbfs_mount" = "/dev/hugepages" } { "bridge_helper" = "qemu-bridge-helper" } { "set_process_name" = "1" } -- 2.47.1