diff options
| -rw-r--r-- | include/osmocom/core/statistics.h | 4 | ||||
| -rw-r--r-- | src/statistics.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/osmocom/core/statistics.h b/include/osmocom/core/statistics.h index a9a623d3..1e472ffd 100644 --- a/include/osmocom/core/statistics.h +++ b/include/osmocom/core/statistics.h @@ -9,6 +9,7 @@ struct osmo_counter { const char *name; /*!< \brief human-readable name */ const char *description; /*!< \brief humn-readable description */ unsigned long value; /*!< \brief current value */ + unsigned long previous; /*!< \brief previous value */ }; /*! \brief Increment counter */ @@ -48,3 +49,6 @@ int osmo_counters_for_each(int (*handle_counter)(struct osmo_counter *, void *), * \returns pointer to counter (\ref osmo_counter) or NULL otherwise */ struct osmo_counter *osmo_counter_get_by_name(const char *name); + +/*! \brief Return the counter difference since the last call to this function */ +int osmo_counter_difference(struct osmo_counter *ctr); diff --git a/src/statistics.c b/src/statistics.c index e28541ba..ad069cea 100644 --- a/src/statistics.c +++ b/src/statistics.c @@ -74,3 +74,11 @@ struct osmo_counter *osmo_counter_get_by_name(const char *name) } return NULL; } + +int osmo_counter_difference(struct osmo_counter *ctr) +{ + int delta = ctr->value - ctr->previous; + ctr->previous = ctr->value; + + return delta; +} |