search for: spin_time_start

...PV_LOCKSTAT_HALT_QHEAD) + add_smp(&halt_qhead_stats, 1); + if (stat_types & PV_LOCKSTAT_HALT_QNODE) + add_smp(&halt_qnode_stats, 1); + if (stat_types & PV_LOCKSTAT_HALT_ABORT) + add_smp(&halt_abort_stats, 1); +} +PV_CALLEE_SAVE_REGS_THUNK(xen_lock_stats); + +static inline u64 spin_time_start(void) +{ + return sched_clock(); +} + +static inline void spin_time_accum_blocked(u64 start) +{ + u64 delta; + + delta = sched_clock() - start; + add_smp(&time_blocked, delta); +} +#else /* CONFIG_XEN_DEBUG_FS */ +static inline void xen_lock_stats(int stat_types) +{ +} + +static inline u64 spin...

...PV_LOCKSTAT_HALT_QHEAD) + add_smp(&halt_qhead_stats, 1); + if (stat_types & PV_LOCKSTAT_HALT_QNODE) + add_smp(&halt_qnode_stats, 1); + if (stat_types & PV_LOCKSTAT_HALT_ABORT) + add_smp(&halt_abort_stats, 1); +} +PV_CALLEE_SAVE_REGS_THUNK(xen_lock_stats); + +static inline u64 spin_time_start(void) +{ + return sched_clock(); +} + +static inline void spin_time_accum_blocked(u64 start) +{ + u64 delta; + + delta = sched_clock() - start; + add_smp(&time_blocked, delta); +} +#else /* CONFIG_XEN_DEBUG_FS */ +static inline void xen_lock_stats(int stat_types) +{ +} + +static inline u64 spin...

...s type) > +{ > + if (type == PV_WAKE_KICKED) > + add_smp(&wake_kick_stats, 1); > + else if (type == PV_WAKE_SPURIOUS) > + add_smp(&wake_spur_stats, 1); > + else /* type == PV_KICK_NOHALT */ > + add_smp(&kick_nohlt_stats, 1); > +} > + > +static inline u64 spin_time_start(void) > +{ > + return sched_clock(); > +} > + > +static inline void spin_time_accum_blocked(u64 start) > +{ > + u64 delta; > + > + delta = sched_clock() - start; > + add_smp(&time_blocked, delta); > +} > + > +fs_initcall(kvm_spinlock_debugfs); > + >...

...s type) > +{ > + if (type == PV_WAKE_KICKED) > + add_smp(&wake_kick_stats, 1); > + else if (type == PV_WAKE_SPURIOUS) > + add_smp(&wake_spur_stats, 1); > + else /* type == PV_KICK_NOHALT */ > + add_smp(&kick_nohlt_stats, 1); > +} > + > +static inline u64 spin_time_start(void) > +{ > + return sched_clock(); > +} > + > +static inline void spin_time_accum_blocked(u64 start) > +{ > + u64 delta; > + > + delta = sched_clock() - start; > + add_smp(&time_blocked, delta); > +} > + > +fs_initcall(kvm_spinlock_debugfs); > + >...

...k_stats type) +{ + if (type == PV_WAKE_KICKED) + add_smp(&wake_kick_stats, 1); + else if (type == PV_WAKE_SPURIOUS) + add_smp(&wake_spur_stats, 1); + else /* type == PV_KICK_NOHALT */ + add_smp(&kick_nohlt_stats, 1); +} +PV_CALLEE_SAVE_REGS_THUNK(kvm_lock_stats); + +static inline u64 spin_time_start(void) +{ + return sched_clock(); +} + +static inline void spin_time_accum_blocked(u64 start) +{ + u64 delta; + + delta = sched_clock() - start; + add_smp(&time_blocked, delta); +} + +fs_initcall(kvm_spinlock_debugfs); + +#else /* CONFIG_KVM_DEBUG_FS */ +static inline void kvm_halt_stats(enum pv...

...k_stats type) +{ + if (type == PV_WAKE_KICKED) + add_smp(&wake_kick_stats, 1); + else if (type == PV_WAKE_SPURIOUS) + add_smp(&wake_spur_stats, 1); + else /* type == PV_KICK_NOHALT */ + add_smp(&kick_nohlt_stats, 1); +} +PV_CALLEE_SAVE_REGS_THUNK(kvm_lock_stats); + +static inline u64 spin_time_start(void) +{ + return sched_clock(); +} + +static inline void spin_time_accum_blocked(u64 start) +{ + u64 delta; + + delta = sched_clock() - start; + add_smp(&time_blocked, delta); +} + +fs_initcall(kvm_spinlock_debugfs); + +#else /* CONFIG_KVM_DEBUG_FS */ +static inline void kvm_halt_stats(enum pv...

...tatic inline void kvm_lock_stats(enum pv_lock_stats type) +{ + if (type == PV_WAKE_KICKED) + add_smp(&wake_kick_stats, 1); + else if (type == PV_WAKE_SPURIOUS) + add_smp(&wake_spur_stats, 1); + else /* type == PV_KICK_NOHALT */ + add_smp(&kick_nohlt_stats, 1); +} + +static inline u64 spin_time_start(void) +{ + return sched_clock(); +} + +static inline void spin_time_accum_blocked(u64 start) +{ + u64 delta; + + delta = sched_clock() - start; + add_smp(&time_blocked, delta); +} + +fs_initcall(kvm_spinlock_debugfs); + +#else /* CONFIG_KVM_DEBUG_FS */ +static inline void kvm_halt_stats(enum pv...

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. The current set of patches are for Xen/x86 spinlock/KVM guest side, to be included against -tip. I 'll be sending a separate patchset for KVM host based on kvm tree. Please note I have added the below performance result

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. The current set of patches are for Xen/x86 spinlock/KVM guest side, to be included against -tip. I 'll be sending a separate patchset for KVM host based on kvm tree. Please note I have added the below performance result

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. The current set of patches are for Xen/x86 spinlock/KVM guest side, to be included against -tip. I 'll be sending a separate patchset for KVM host based on kvm tree. Please note I have added the below performance result

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V10: Addressed Konrad's review comments: - Added break in patch 5 since now we know exact cpu to wakeup - Dropped patch 12 and Konrad needs to revert two patches to enable xen on hvm 70dd4998, f10cd522c -

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V10: Addressed Konrad's review comments: - Added break in patch 5 since now we know exact cpu to wakeup - Dropped patch 12 and Konrad needs to revert two patches to enable xen on hvm 70dd4998, f10cd522c -

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V10: Addressed Konrad's review comments: - Added break in patch 5 since now we know exact cpu to wakeup - Dropped patch 12 and Konrad needs to revert two patches to enable xen on hvm 70dd4998, f10cd522c -

The 4-patch series to follow this email extends KVM-hypervisor and Linux guest running on KVM-hypervisor to support pv-ticket spinlocks, based on Xen's implementation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. The V2 change discussion was in:

The 4-patch series to follow this email extends KVM-hypervisor and Linux guest running on KVM-hypervisor to support pv-ticket spinlocks, based on Xen's implementation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. The V2 change discussion was in:

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V11: - use safe_halt in lock_spinning path to avoid potential problem in case of irq_handlers taking lock in slowpath (Gleb) - add a0 flag for the kick hypercall for future extension (Gleb) - add stubs for

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V11: - use safe_halt in lock_spinning path to avoid potential problem in case of irq_handlers taking lock in slowpath (Gleb) - add a0 flag for the kick hypercall for future extension (Gleb) - add stubs for

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM. Changes in V11: - use safe_halt in lock_spinning path to avoid potential problem in case of irq_handlers taking lock in slowpath (Gleb) - add a0 flag for the kick hypercall for future extension (Gleb) - add stubs for

The 5-patch series to follow this email extends KVM-hypervisor and Linux guest running on KVM-hypervisor to support pv-ticket spinlocks, based on Xen's implementation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. Note: 1) patch is based on 3.4-rc3 + ticketlock

The 5-patch series to follow this email extends KVM-hypervisor and Linux guest running on KVM-hypervisor to support pv-ticket spinlocks, based on Xen's implementation. One hypercall is introduced in KVM hypervisor,that allows a vcpu to kick another vcpu out of halt state. The blocking of vcpu is done using halt() in (lock_spinning) slowpath. Note: 1) patch is based on 3.4-rc3 + ticketlock