diff options
Diffstat (limited to 'tools/nfs-iostat/nfs-iostat.py')
| -rw-r--r-- | tools/nfs-iostat/nfs-iostat.py | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/tools/nfs-iostat/nfs-iostat.py b/tools/nfs-iostat/nfs-iostat.py index 6831c12..b324cd8 100644 --- a/tools/nfs-iostat/nfs-iostat.py +++ b/tools/nfs-iostat/nfs-iostat.py @@ -243,27 +243,15 @@ class DeviceData: """Print attribute cache efficiency stats """ nfs_stats = self.__nfs_data - getattr_stats = self.__rpc_data['GETATTR'] - - if nfs_stats['inoderevalidates'] != 0: - getattr_ops = float(getattr_stats[1]) - opens = float(nfs_stats['vfsopen']) - revalidates = float(nfs_stats['inoderevalidates']) - opens - if revalidates != 0: - ratio = ((revalidates - getattr_ops) * 100) / revalidates - else: - ratio = 0.0 - - data_invalidates = float(nfs_stats['datainvalidates']) - attr_invalidates = float(nfs_stats['attrinvalidates']) - print() - print('%d inode revalidations, hitting in cache %4.2f%% of the time' % \ - (revalidates, ratio)) - print('%d open operations (mandatory GETATTR requests)' % opens) - if getattr_ops != 0: - print('%4.2f%% of GETATTRs resulted in data cache invalidations' % \ - ((data_invalidates * 100) / getattr_ops)) + print() + print('%d VFS opens' % (nfs_stats['vfsopen'])) + print('%d inoderevalidates (forced GETATTRs)' % \ + (nfs_stats['inoderevalidates'])) + print('%d page cache invalidations' % \ + (nfs_stats['datainvalidates'])) + print('%d attribute cache invalidations' % \ + (nfs_stats['attrinvalidates'])) def __print_dir_cache_stats(self, sample_time): """Print directory stats |