diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/kernel_stat.h | 2 | ||||
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | include/linux/taskstats.h | 11 |
3 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 12bf44f083f5..e8ffce898bf9 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -53,7 +53,9 @@ static inline int kstat_irqs(int irq) } extern void account_user_time(struct task_struct *, cputime_t); +extern void account_user_time_scaled(struct task_struct *, cputime_t); extern void account_system_time(struct task_struct *, int, cputime_t); +extern void account_system_time_scaled(struct task_struct *, cputime_t); extern void account_steal_time(struct task_struct *, cputime_t); #endif /* _LINUX_KERNEL_STAT_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 269b234609b8..7accc04e23ab 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -991,7 +991,7 @@ struct task_struct { int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ unsigned int rt_priority; - cputime_t utime, stime; + cputime_t utime, stime, utimescaled, stimescaled; cputime_t gtime; unsigned long nvcsw, nivcsw; /* context switch counts */ struct timespec start_time; /* monotonic time */ diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h index dce1ed204972..92bfd1c153fb 100644 --- a/include/linux/taskstats.h +++ b/include/linux/taskstats.h @@ -31,7 +31,7 @@ */ -#define TASKSTATS_VERSION 5 +#define TASKSTATS_VERSION 6 #define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN * in linux/sched.h */ @@ -85,9 +85,12 @@ struct taskstats { * On some architectures, value will adjust for cpu time stolen * from the kernel in involuntary waits due to virtualization. * Value is cumulative, in nanoseconds, without a corresponding count - * and wraps around to zero silently on overflow + * and wraps around to zero silently on overflow. The + * _scaled_ version accounts for cpus which can scale the + * number of instructions executed each cycle. */ __u64 cpu_run_real_total; + __u64 cpu_scaled_run_real_total; /* cpu "virtual" running time * Uses time intervals seen by the kernel i.e. no adjustment @@ -142,6 +145,10 @@ struct taskstats { __u64 write_char; /* bytes written */ __u64 read_syscalls; /* read syscalls */ __u64 write_syscalls; /* write syscalls */ + + /* time accounting for SMT machines */ + __u64 ac_utimescaled; /* utime scaled on frequency etc */ + __u64 ac_stimescaled; /* stime scaled on frequency etc */ /* Extended accounting fields end */ #define TASKSTATS_HAS_IO_ACCOUNTING |