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authorNayana Bidari <nybidari@google.com>2021-04-22 16:04:40 -0700
committergVisor bot <gvisor-bot@google.com>2021-04-22 16:07:15 -0700
commit0a6eaed50b83a35a687699aa5e871b80605c9f46 (patch)
tree5db0976f79c0781ef803f1299bf4781b29c1b08c /pkg/sentry/kernel/task_syscall.go
parentd93907110eebdfb1e51dacd9ccffd0f0c2633a81 (diff)
Add weirdness sentry metric.
Weirdness metric contains fields to track the number of clock fallback, partial result and vsyscalls. This metric will avoid the overhead of having three different metrics (fallbackMetric, partialResultMetric, vsyscallCount). PiperOrigin-RevId: 369970218
Diffstat (limited to 'pkg/sentry/kernel/task_syscall.go')
-rw-r--r--pkg/sentry/kernel/task_syscall.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task_syscall.go b/pkg/sentry/kernel/task_syscall.go
index 2c658d001..36855e3ec 100644
--- a/pkg/sentry/kernel/task_syscall.go
+++ b/pkg/sentry/kernel/task_syscall.go
@@ -285,6 +285,7 @@ func (*runSyscallExit) execute(t *Task) taskRunState {
// task's next run state.
func (t *Task) doVsyscall(addr hostarch.Addr, sysno uintptr) taskRunState {
vsyscallCount.Increment()
+ metric.WeirdnessMetric.Increment("vsyscall_count")
// Grab the caller up front, to make sure there's a sensible stack.
caller := t.Arch().Native(uintptr(0))