17678: implement review feedback.

[arvados.git] / lib / costanalyzer / costanalyzer.go

diff --git a/lib/costanalyzer/costanalyzer.go b/lib/costanalyzer/costanalyzer.go
index df8fd496051143292219822bf0fb933fd08d17bf..402e0ec81a160e677a1aefb8df82d589f01c3e20 100644 (file)
--- a/lib/costanalyzer/costanalyzer.go
+++ b/lib/costanalyzer/costanalyzer.go
@@ -57,7 +57,7 @@ func parseFlags(prog string, args []string, loader *config.Loader, logger *logru
        flags.Usage = func() {
                fmt.Fprintf(flags.Output(), `
 Usage:
-  %s [options ...] <uuid> ...
+  %s [options ...] uuid [uuid ...]
 
        This program analyzes the cost of Arvados container requests. For each uuid
        supplied, it creates a CSV report that lists all the containers used to
@@ -92,6 +92,13 @@ Usage:
        a column that indicates the preemptible state of the instance that ran the
        container.
 
+       - This program does not take into account overhead costs like the time spent
+       starting and stopping compute nodes that run containers, the cost of the
+       permanent cloud nodes that provide the Arvados services, the cost of data
+       stored in Arvados, etc.
+
+       - When provided with a project uuid, subprojects will not be considered.
+
        In order to get the data for the uuids supplied, the ARVADOS_API_HOST and
        ARVADOS_API_TOKEN environment variables must be set.