From 3a16b829c511757701d4370b8b38d162acb8ba9c Mon Sep 17 00:00:00 2001 From: Jamie Liu Date: Wed, 18 Nov 2020 18:08:02 -0800 Subject: Port filesystem metrics to VFS2. PiperOrigin-RevId: 343196927 --- pkg/sentry/fsimpl/tmpfs/filesystem.go | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'pkg/sentry/fsimpl/tmpfs/filesystem.go') diff --git a/pkg/sentry/fsimpl/tmpfs/filesystem.go b/pkg/sentry/fsimpl/tmpfs/filesystem.go index 61138a7a4..9296db2fb 100644 --- a/pkg/sentry/fsimpl/tmpfs/filesystem.go +++ b/pkg/sentry/fsimpl/tmpfs/filesystem.go @@ -21,6 +21,7 @@ import ( "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/context" "gvisor.dev/gvisor/pkg/fspath" + "gvisor.dev/gvisor/pkg/sentry/fsmetric" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/sentry/socket/unix/transport" "gvisor.dev/gvisor/pkg/sentry/vfs" @@ -439,6 +440,11 @@ func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, opts *vfs.Open return nil, err } } + if fd.vfsfd.IsWritable() { + fsmetric.TmpfsOpensW.Increment() + } else if fd.vfsfd.IsReadable() { + fsmetric.TmpfsOpensRO.Increment() + } return &fd.vfsfd, nil case *directory: // Can't open directories writably. -- cgit v1.2.3