diff options
Diffstat (limited to 'package/wprobe/src/kernel/linux/wprobe.h')
| -rw-r--r-- | package/wprobe/src/kernel/linux/wprobe.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/package/wprobe/src/kernel/linux/wprobe.h b/package/wprobe/src/kernel/linux/wprobe.h index f145195cd..42bfbd056 100644 --- a/package/wprobe/src/kernel/linux/wprobe.h +++ b/package/wprobe/src/kernel/linux/wprobe.h @@ -32,13 +32,12 @@ * * @WPROBE_ATTR_INTERFACE: interface name to process query on (NLA_STRING) * @WPROBE_ATTR_MAC: mac address (used for wireless links) (NLA_STRING) - * @WPROBE_ATTR_FLAGS: interface/link/attribute flags (see enum wprobe_flags) (NLA_U32) - * @WPROBE_ATTR_DURATION: sampling duration (in milliseconds) (NLA_MSECS) + * @WPROBE_ATTR_FLAGS: interface/link/attribute flags (see enum wprobe_flags) (NLA_U32)a + * @WPROBE_ATTR_DURATION: sampling duration (in milliseconds) (NLA_MSECS) * * @WPROBE_ATTR_ID: attribute id (NLA_U32) * @WPROBE_ATTR_NAME: attribute name (NLA_STRING) * @WPROBE_ATTR_TYPE: attribute type (NLA_U8) - * @WPROBE_ATTR_SCALE: attribute scale factor (NLA_U32) * * attribute values: * @@ -56,22 +55,29 @@ * @WPROBE_VAL_SUM: sum of all samples * @WPROBE_VAL_SUM_SQ: sum of all samples^2 * @WPROBE_VAL_SAMPLES: number of samples + * @WPROBE_VAL_SCALE_TIME: last time the samples were scaled down + * + * configuration: + * @WPROBE_ATTR_INTERVAL: (measurement interval in milliseconds) (NLA_MSECS) + * @WPROBE_ATTR_SAMPLES_MIN: minimum samples to keep during inactivity (NLA_U32) + * @WPROBE_ATTR_SAMPLES_MAX: maximum samples to keep before scaling down (NLA_U32) + * @WPROBE_ATTR_SAMPLES_SCALE_M: multiplier for scaling down samples (NLA_U32) + * @WPROBE_ATTR_SAMPLES_SCALE_D: divisor for scaling down samples (NLA_U32) * * @WPROBE_ATTR_LAST: unused */ enum wprobe_attr { + /* query attributes */ WPROBE_ATTR_UNSPEC, WPROBE_ATTR_INTERFACE, WPROBE_ATTR_MAC, WPROBE_ATTR_FLAGS, - WPROBE_ATTR_DURATION, - WPROBE_ATTR_SCALE, - /* end of query attributes */ /* response data */ WPROBE_ATTR_ID, WPROBE_ATTR_NAME, WPROBE_ATTR_TYPE, + WPROBE_ATTR_DURATION, /* value type attributes */ WPROBE_VAL_STRING, @@ -88,6 +94,14 @@ enum wprobe_attr { WPROBE_VAL_SUM, WPROBE_VAL_SUM_SQ, WPROBE_VAL_SAMPLES, + WPROBE_VAL_SCALE_TIME, + + /* config attributes */ + WPROBE_ATTR_INTERVAL, + WPROBE_ATTR_SAMPLES_MIN, + WPROBE_ATTR_SAMPLES_MAX, + WPROBE_ATTR_SAMPLES_SCALE_M, + WPROBE_ATTR_SAMPLES_SCALE_D, WPROBE_ATTR_LAST }; @@ -117,6 +131,7 @@ enum wprobe_cmd { WPROBE_CMD_SET_FLAGS, WPROBE_CMD_MEASURE, WPROBE_CMD_GET_LINKS, + WPROBE_CMD_CONFIG, WPROBE_CMD_LAST }; @@ -192,6 +207,7 @@ struct wprobe_value { /* timestamps */ u64 first, last; + u64 scale_timestamp; }; /** @@ -225,7 +241,8 @@ struct wprobe_iface { const struct wprobe_item *global_items; int n_global_items; - int (*sync_data)(struct wprobe_iface *dev, struct wprobe_link *l, struct wprobe_value *val, bool measure); + int (*sync_data)(struct wprobe_iface *dev, struct wprobe_link *l, + struct wprobe_value *val, bool measure); void *priv; /* handled by the wprobe core */ @@ -234,6 +251,14 @@ struct wprobe_iface { spinlock_t lock; void *val; void *query_val; + + u32 measure_interval; + struct timer_list measure_timer; + + u32 scale_min; + u32 scale_max; + u32 scale_m; + u32 scale_d; }; #define WPROBE_FILL_BEGIN(_ptr, _list) do { \ |