diff options
| author | gVisor bot <gvisor-bot@google.com> | 2019-12-07 01:04:20 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-12-07 01:04:20 +0000 |
| commit | 5648c029a4358d4c2803fba978a3d86cae894766 (patch) | |
| tree | a0a94433bbc41f3115568149160976c5bd459d89 /pkg/sentry/kernel/task_syscall.go | |
| parent | e880bc78798d9abe8554f82dc2106e6fd85ffc5e (diff) | |
| parent | 371e210b83c244d8828ad2fa1b3d7cef15fbf463 (diff) | |
Merge release-20191129.0-18-g371e210 (automated)
Diffstat (limited to 'pkg/sentry/kernel/task_syscall.go')
| -rw-r--r-- | pkg/sentry/kernel/task_syscall.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/task_syscall.go b/pkg/sentry/kernel/task_syscall.go index b543d536a..3180f5560 100644 --- a/pkg/sentry/kernel/task_syscall.go +++ b/pkg/sentry/kernel/task_syscall.go @@ -17,6 +17,7 @@ package kernel import ( "fmt" "os" + "runtime/trace" "syscall" "gvisor.dev/gvisor/pkg/abi/linux" @@ -160,6 +161,10 @@ func (t *Task) executeSyscall(sysno uintptr, args arch.SyscallArguments) (rval u ctrl = ctrlStopAndReinvokeSyscall } else { fn := s.Lookup(sysno) + var region *trace.Region // Only non-nil if tracing == true. + if trace.IsEnabled() { + region = trace.StartRegion(t.traceContext, s.LookupName(sysno)) + } if fn != nil { // Call our syscall implementation. rval, ctrl, err = fn(t, args) @@ -167,6 +172,9 @@ func (t *Task) executeSyscall(sysno uintptr, args arch.SyscallArguments) (rval u // Use the missing function if not found. rval, err = t.SyscallTable().Missing(t, sysno, args) } + if region != nil { + region.End() + } } if bits.IsOn32(fe, ExternalAfterEnable) && (s.ExternalFilterAfter == nil || s.ExternalFilterAfter(t, sysno, args)) { |