Documentation
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Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func GetCmdline ¶
The GetCmdline helper returns the command line for a pid. If the pid does not exist or we don't have access to read /proc/<pid>/cmdline, then it returns the empty string.
Types ¶
type MemoryUsage ¶
type MemoryUsage struct {
// contains filtered or unexported fields
}
The MemoryUsage struct to holds memory usage and memory limit information about a cgroup.
func GetMemoryUsage ¶
func GetMemoryUsage() *MemoryUsage
The GetMemoryUsage function returns MemoryUsage info for the entire cgroup.
func (*MemoryUsage) PercentUsed ¶
func (m *MemoryUsage) PercentUsed() int
The MemoryUsage.PercentUsed method returns memory usage as a percentage of memory limit.
func (*MemoryUsage) Refresh ¶
func (m *MemoryUsage) Refresh()
The MemoryUsage.Refresh method updates memory usage information.
func (*MemoryUsage) ShortString ¶
func (m *MemoryUsage) ShortString() string
func (*MemoryUsage) String ¶
func (m *MemoryUsage) String() string
Pretty print a summary of memory usage suitable for logging.
func (*MemoryUsage) Watch ¶
func (usage *MemoryUsage) Watch(ctx context.Context)
The Watch method will check memory usage every 10 seconds and log it if it jumps more than 10Gi up or down. Additionally if memory usage exceeds 50% of the cgroup limit, it will log usage every minute. Usage is also unconditionally logged before returning. This function only returns if the context is canceled.
type ProcessUsage ¶
type ProcessUsage struct {
Pid int
Cmdline []string
Usage memory
// This is zero if the process is still running. If the process has exited, this counts how many
// refreshes have happened. We GC after 10 refreshes.
RefreshesSinceExit int
}
The ProcessUsage struct holds per process memory usage information.
func (ProcessUsage) String ¶
func (pu ProcessUsage) String() string
Pretty print a summary of process memory usage.
Source Files