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Diffstat (limited to 'src/lib/metrics/lib_metrics.md')
| -rw-r--r-- | src/lib/metrics/lib_metrics.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib/metrics/lib_metrics.md b/src/lib/metrics/lib_metrics.md new file mode 100644 index 0000000000..e58680e237 --- /dev/null +++ b/src/lib/metrics/lib_metrics.md @@ -0,0 +1,12 @@ +@dir /lib/metrics +@brief lib/metrics: Metrics collection API + +This module is used for adding "metrics" support to Tor. + +Metrics are a collection of counters that are defined per-subsystem and +accessed through the MetricsPort. Each subsystem is responsible for populating +metrics store(s) and providing access to them through the `.get_metrics()` +call located in the `subsys_fns_t` object. + +These metrics are meant to be extremely lightweight and thus can be accessed +without too much CPU cost. |