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qemu: Introduce qemuDomainAgentJob
Introduce guest agent specific job categories to allow threads to run agent monitor specific jobs while normal monitor jobs can also be running. Alter _qemuDomainJobObj in order to duplicate certain fields that will be used for guest agent specific tasks to increase concurrency and throughput and reduce serialization. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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@ -93,6 +93,12 @@ VIR_ENUM_IMPL(qemuDomainJob, QEMU_JOB_LAST,
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"async nested",
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);
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VIR_ENUM_IMPL(qemuDomainAgentJob, QEMU_AGENT_JOB_LAST,
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"none",
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"query",
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"modify",
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);
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VIR_ENUM_IMPL(qemuDomainAsyncJob, QEMU_ASYNC_JOB_LAST,
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"none",
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"migration out",
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@ -82,6 +82,15 @@ typedef enum {
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} qemuDomainJob;
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VIR_ENUM_DECL(qemuDomainJob)
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typedef enum {
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QEMU_AGENT_JOB_NONE = 0, /* No agent job. */
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QEMU_AGENT_JOB_QUERY, /* Does not change state of domain */
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QEMU_AGENT_JOB_MODIFY, /* May change state of domain */
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QEMU_AGENT_JOB_LAST
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} qemuDomainAgentJob;
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VIR_ENUM_DECL(qemuDomainAgentJob)
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/* Async job consists of a series of jobs that may change state. Independent
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* jobs that do not change state (and possibly others if explicitly allowed by
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* current async job) are allowed to be run even if async job is active.
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@ -158,11 +167,20 @@ typedef struct _qemuDomainJobObj qemuDomainJobObj;
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typedef qemuDomainJobObj *qemuDomainJobObjPtr;
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struct _qemuDomainJobObj {
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virCond cond; /* Use to coordinate jobs */
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/* The following members are for QEMU_JOB_* */
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qemuDomainJob active; /* Currently running job */
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unsigned long long owner; /* Thread id which set current job */
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const char *ownerAPI; /* The API which owns the job */
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unsigned long long started; /* When the current job started */
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/* The following members are for QEMU_AGENT_JOB_* */
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qemuDomainAgentJob agentActive; /* Currently running agent job */
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unsigned long long agentOwner; /* Thread id which set current agent job */
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const char *agentOwnerAPI; /* The API which owns the agent job */
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unsigned long long agentStarted; /* When the current agent job started */
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/* The following members are for QEMU_ASYNC_JOB_* */
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virCond asyncCond; /* Use to coordinate with async jobs */
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qemuDomainAsyncJob asyncJob; /* Currently active async job */
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unsigned long long asyncOwner; /* Thread which set current async job */
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