diff options
Diffstat (limited to 'arch/s390/include/asm/cpu_mf.h')
| -rw-r--r-- | arch/s390/include/asm/cpu_mf.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h index f6dddea..d707abc 100644 --- a/arch/s390/include/asm/cpu_mf.h +++ b/arch/s390/include/asm/cpu_mf.h @@ -210,6 +210,20 @@ static inline int lsctl(struct hws_lsctl_request_block *req) /* Sampling control helper functions */ +#include <linux/time.h> + +static inline unsigned long freq_to_sample_rate(struct hws_qsi_info_block *qsi, + unsigned long freq) +{ + return (USEC_PER_SEC / freq) * qsi->cpu_speed; +} + +static inline unsigned long sample_rate_to_freq(struct hws_qsi_info_block *qsi, + unsigned long rate) +{ + return USEC_PER_SEC * qsi->cpu_speed / rate; +} + #define SDB_TE_ALERT_REQ_MASK 0x4000000000000000UL #define SDB_TE_BUFFER_FULL_MASK 0x8000000000000000UL |
